/* 01 — Blue-white precision: open spacing, quiet blue planes, upright product cards. */
body.variant-01 {
  --page: #fff; --surface: #f3f7fd; --ink: #12263d; --muted: #64768a;
  --line: #dce5ef; --accent: #155bd7; --on-accent: #fff;
  color-scheme: light; background: var(--page); color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.variant-01 .site-header { background: #fff; border-bottom: 1px solid var(--line); }
.variant-01 .header-inner { min-height: 94px; }
.variant-01 .brand { letter-spacing: -.02em; font-weight: 700; }
.variant-01 .site-nav { gap: 28px; font-size: 14px; }
.variant-01 .button { border-radius: 5px; padding: 14px 23px; font-size: 14px; font-weight: 600; }
.variant-01 .button:not(.secondary) { background: var(--accent); color: #fff; }
.variant-01 .button.secondary { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.variant-01 .eyebrow { color: var(--accent); font-size: 12px; letter-spacing: .14em; font-weight: 700; }
.variant-01 .hero { position: relative; overflow: hidden; padding: 68px 0 72px; background: #f3f7fd; }
.variant-01 .hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 60px; }
.variant-01 .hero-copy { min-width: 0; position: relative; z-index: 1; }
.variant-01 h1 { max-width: 620px; margin: 24px 0; font-size: clamp(40px, 4.5vw, 68px); line-height: 1.12; letter-spacing: -.045em; font-weight: 700; }
.variant-01 .hero-description { max-width: 490px; font-size: 17px; line-height: 1.85; color: var(--muted); }
.variant-01 .hero-actions { margin-top: 34px; gap: 12px; }
.variant-01 .hero-notes { margin-top: 42px; padding-top: 22px; border-top: 1px solid #d5e1f0; color: var(--muted); font-size: 12px; gap: 22px; }
.variant-01 .hero-visual { min-height: 430px; position: relative; display: grid; place-items: center; border: 1px solid #dae5f5; border-radius: 12px; background: #e6effb; }
.variant-01 .hero-visual::before { content: ""; width: 72%; aspect-ratio: 1; position: absolute; border-radius: 50%; background: #f6f9ff; }
.variant-01 .hero-product { position: relative; width: 88%; max-height: 380px; object-fit: contain; filter: drop-shadow(0 20px 12px rgb(27 61 97 / 11%)); }
.variant-01 .visual-code { position: absolute; top: 22px; left: 24px; color: #6380a2; font-size: 11px; letter-spacing: .08em; }
.variant-01 .visual-caption { position: absolute; bottom: 22px; left: 24px; right: 24px; font-size: 12px; color: #526c89; }
.variant-01 .series-section { padding: 82px 0; }
.variant-01 .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 42px; margin-bottom: 38px; }
.variant-01 .section-copy { min-width: 0; }
.variant-01 h2 { margin: 13px 0 0; font-size: clamp(29px, 3.1vw, 44px); line-height: 1.2; letter-spacing: -.035em; }
.variant-01 .section-description { color: var(--muted); font-size: 14px; line-height: 1.75; max-width: 390px; }
.variant-01 .series-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.variant-01 .series-card { min-width: 0; display: flex; flex-direction: column; padding: 22px 23px 20px; border: 1px solid var(--line); border-radius: 7px; background: #fff; transition: border-color .18s, transform .18s; }
.variant-01 .series-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.variant-01 .series-meta { display: flex; align-items: baseline; gap: 11px; }
.variant-01 .series-index { color: var(--accent); font-size: 11px; font-weight: 700; }
.variant-01 .series-meta h3 { font-size: 18px; line-height: 1.3; margin: 0; }
.variant-01 .series-description { margin: 12px 0 0; font-size: 12px; line-height: 1.7; color: var(--muted); min-height: 40px; }
.variant-01 .series-picture { margin: 22px -8px 16px; height: 160px; display: grid; place-items: center; background: #f3f7fc; border-radius: 4px; }
.variant-01 .series-picture img { width: 92%; height: 145px; object-fit: contain; }
.variant-01 .series-link { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--accent); font-size: 12px; font-weight: 700; }
.variant-01 .products-section { padding: 76px 0 84px; background: #f3f7fd; }
.variant-01 .product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.variant-01 .product-card { background: #fff; border: 1px solid #e0e8f2; border-radius: 7px; overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.variant-01 .product-picture { height: 205px; padding: 22px; display: grid; grid-template-rows: minmax(0,1fr); place-items: center; background: #e8eff8; }
.variant-01 .product-picture img { width: 100%; height: 100%; object-fit: contain; }
.variant-01 .product-info { padding: 22px; }
.variant-01 .product-info h3 { font-size: 17px; line-height: 1.5; margin: 0 0 9px; }
.variant-01 .product-info > p { margin: 0 0 17px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.variant-01 .product-specs { display: grid; gap: 8px; }
.variant-01 .product-specs { display: grid; grid-template-columns: minmax(0,.65fr) minmax(0,1fr); gap: 8px 10px; font-size: 11px; }
.variant-01 .product-specs dt { color: var(--muted); }
.variant-01 .product-specs dd { margin: 0; text-align: right; font-weight: 600; }
.variant-01 .product-link { margin: auto 22px 22px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--accent); font-weight: 700; font-size: 12px; }
.variant-01 .about-section { padding: 82px 0; }
.variant-01 .about-grid { display: grid; grid-template-columns: .9fr 1.2fr; gap: 90px; align-items: center; }
.variant-01 .about-copy p { color: var(--muted); font-size: 15px; line-height: 1.85; margin-top: 22px; }
.variant-01 .about-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.variant-01 .fact { padding: 23px 0; border-top: 2px solid var(--accent); }
.variant-01 .fact h3 { font-size: 16px; margin: 0 0 13px; }
.variant-01 .fact p { color: var(--muted); font-size: 12px; line-height: 1.8; }
.variant-01 .contact-section { padding: 58px 0; background: var(--accent); color: #fff; }
.variant-01 .contact-grid { display: grid; grid-template-columns: 1fr auto; column-gap: 50px; align-items: center; }
.variant-01 .contact-grid h2 { margin: 0; font-size: 34px; }
.variant-01 .contact-grid p { max-width: 610px; color: #dce9ff; font-size: 14px; line-height: 1.8; }
.variant-01 .contact-actions { grid-column: 2; grid-row: 1 / 3; display: flex; flex-wrap: wrap; gap: 12px; }
.variant-01 .contact-actions .button { color: var(--accent); background: #fff; border-color: #fff; }
.variant-01 .site-footer { padding: 27px 0 96px; background: #fff; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
@media (max-width: 1100px) {
  .variant-01 .hero-grid { gap: 30px; }
  .variant-01 .hero-visual { min-height: 360px; }
  .variant-01 .series-grid, .variant-01 .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .variant-01 .about-grid { gap: 42px; }
  .variant-01 .about-facts { gap: 15px; }
}
@media (max-width: 700px) {
  .variant-01 .header-inner { min-height: 78px; }
  .variant-01 .hero { padding: 38px 0 40px; }
  .variant-01 .hero-grid { grid-template-columns: 1fr; gap: 31px; }
  .variant-01 h1 { font-size: 40px; line-height: 1.16; margin: 18px 0; }
  .variant-01 .hero-description { font-size: 15px; }
  .variant-01 .hero-actions { margin-top: 25px; }
  .variant-01 .hero-notes { margin-top: 25px; font-size: 11px; gap: 10px; }
  .variant-01 .hero-visual { min-height: 315px; }
  .variant-01 .hero-product { max-height: 280px; }
  .variant-01 .series-section, .variant-01 .products-section, .variant-01 .about-section { padding: 46px 0; }
  .variant-01 .section-head { display: block; margin-bottom: 25px; }
  .variant-01 h2 { font-size: 29px; }
  .variant-01 .section-description { margin-top: 18px; }
  .variant-01 .series-grid { gap: 11px; }
  .variant-01 .series-card { padding: 16px 13px; }
  .variant-01 .series-meta { gap: 7px; flex-wrap: wrap; }
  .variant-01 .series-meta h3 { font-size: 16px; }
  .variant-01 .series-description { font-size: 11px; min-height: 58px; }
  .variant-01 .series-picture { height: 125px; margin: 15px -3px 12px; }
  .variant-01 .series-picture img { height: 116px; }
  .variant-01 .series-link { font-size: 11px; }
  .variant-01 .product-grid { grid-template-columns: 1fr; }
  .variant-01 .product-picture { height: 235px; }
  .variant-01 .product-info h3 { font-size: 19px; }
  .variant-01 .product-specs { font-size: 12px; }
  .variant-01 .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .variant-01 .about-facts { grid-template-columns: 1fr; gap: 0; }
  .variant-01 .fact { padding: 18px 0; }
  .variant-01 .fact h3 { margin-bottom: 7px; }
  .variant-01 .contact-section { padding: 40px 0; }
  .variant-01 .contact-grid { grid-template-columns: 1fr; gap: 12px; }
  .variant-01 .contact-grid h2 { font-size: 29px; }
  .variant-01 .contact-actions { grid-column: auto; grid-row: auto; }
}