* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-cream);
  color: var(--ink-body);
  font: var(--fw-regular) 17px/1.68 var(--font-sans);
}
a { color: inherit; text-decoration-color: var(--vichor-red); text-underline-offset: .18em; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--surface-paper); padding: .75rem; }
.site-header {
  align-items: center;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  min-height: 74px;
  padding: 1rem max(24px, calc((100vw - 1200px) / 2));
}
.wordmark { font-size: 1.5rem; font-weight: var(--fw-bold); letter-spacing: -.04em; text-decoration: none; }
.wordmark span, .eyebrow { color: var(--vichor-red); }
nav { display: flex; gap: clamp(.8rem, 3vw, 2.4rem); }
nav a { font-size: .82rem; font-weight: var(--fw-semibold); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
main { margin: 0 auto; padding-bottom: 6rem; width: min(1200px, calc(100% - 48px)); }
.hero {
  border-bottom: 1px solid var(--rule-strong);
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 4.5rem);
}
.hero-with-media {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  grid-template-columns: minmax(0, 680px) minmax(0, 1fr);
  min-height: calc(100vh - 74px);
  padding-bottom: clamp(3rem, 7vh, 5rem);
  padding-top: clamp(2.5rem, 7vh, 5rem);
}
.hero-copy { min-width: 0; }
.home-page .hero h1 { max-width: none; }
.eyebrow, .section-label {
  font: var(--fw-semibold) var(--fs-label)/1.2 var(--font-mono);
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
}
.section-label { color: var(--ink-tertiary); margin: 0 0 1.25rem; }
.section-label span { color: var(--vichor-red); }
h1, h2, h3 { color: var(--ink-carbon); letter-spacing: var(--ls-heading-tight); }
h1 { font-size: 52px; font-weight: var(--fw-bold); line-height: 1.06; margin: 1rem 0 1.35rem; max-width: 18ch; }
h2 { font-size: 40px; font-weight: var(--fw-semibold); line-height: 1.12; margin: 0 0 1.35rem; }
h3 { font-size: 30px; font-weight: var(--fw-semibold); line-height: 1.18; margin: 2.75rem 0 1rem; }
.lede { color: var(--ink-tertiary); font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.5; max-width: 55ch; }
.primary-cta {
  background: var(--vichor-red);
  color: #fff;
  display: inline-flex;
  font-size: .9rem;
  font-weight: var(--fw-semibold);
  letter-spacing: .06em;
  margin-top: 1rem;
  padding: .9rem 1.35rem;
  text-decoration: none;
  text-transform: uppercase;
}
.hero-media { margin: 0; position: relative; }
.hero-media::before {
  background: var(--surface-paper);
  border: 1px solid var(--rule);
  content: "";
  inset: 9% -4% -5% 9%;
  position: absolute;
  z-index: -1;
}
.hero-media img { height: auto; object-fit: contain; width: 100%; }
.content { width: 100%; }
.content > p, .content > blockquote, .content > ul, .content > ol,
.content-section > p, .content-section > blockquote, .content-section > ul, .content-section > ol { max-width: 72ch; }
.content > p:first-child { font-size: 1.2rem; margin: 3.5rem 0; max-width: 70ch; }
.content > h2 { border-top: 1px solid var(--rule); margin-top: 5rem; padding-top: 1.2rem; }
.content-section {
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 0 clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
  margin-top: 0;
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.content-section > :not(figure) { grid-column: 1; }
.content-section > figure {
  align-self: start;
  grid-column: 2;
  grid-row: 2 / span 9;
  margin: 0;
  position: sticky;
  top: 1.5rem;
}
.content-section-02 > .table-wrap { grid-column: 1; }
.content-section-05 > figure { grid-row: 2 / span 4; }
.content li { margin: .7rem 0; }
.table-wrap { margin: 2rem 0; overflow-x: auto; }
table { border-collapse: collapse; min-width: 640px; width: 100%; }
th, td { border-bottom: 1px solid var(--rule); padding: .8rem 1rem; text-align: left; vertical-align: top; }
th { color: var(--grey-muted); font: var(--fw-semibold) var(--fs-label)/1.3 var(--font-mono); letter-spacing: var(--ls-label); text-transform: uppercase; }
blockquote { border-left: 4px solid var(--vichor-red); color: var(--ink-tertiary); margin: 2rem 0; padding: .5rem 1.5rem; }
figure { margin: 2.5rem 0; }
figure img {
  background: var(--surface-paper);
  display: block;
  height: auto;
  margin: 0 auto;
  max-height: 720px;
  max-width: 100%;
  object-fit: contain;
  width: 100%;
}
.content > figure { max-width: 1000px; }
/* 迁移页保持原比例，小图不放大；徽标沿用已有小图尺寸。 */
img.legacy-image { width: min(100%, var(--legacy-image-width)); height: auto; max-height: none; aspect-ratio: auto; }
img.legacy-image.product-render { border: 0; background: transparent; }
.image-review-grid { display: grid; gap: 2rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 4rem; }
.image-review-card { background: var(--surface-paper); border: 1px solid var(--rule); min-width: 0; padding: 1rem; }
.image-review-card figure { align-items: center; display: flex; height: 220px; margin: 0 0 1rem; }
.image-review-card figure img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.image-review-card h2 { font-size: 18px; line-height: 1.25; overflow-wrap: anywhere; }
.image-review-card dl { display: grid; font-size: .82rem; gap: .4rem; grid-template-columns: 6rem minmax(0, 1fr); margin: 0; }
.image-review-card dt { color: var(--ink-tertiary); font-weight: var(--fw-semibold); }
.image-review-card dd { margin: 0; overflow-wrap: anywhere; }
footer { background: var(--ink-carbon); color: var(--grey-muted-2); font: var(--fs-label)/1.4 var(--font-mono); padding: 2rem max(24px, calc((100vw - 1200px) / 2)); }
.gtranslate_wrapper { bottom: 1rem; left: 1rem; position: fixed; z-index: 5; }
.chaty-static { bottom: 1rem; position: fixed; right: 1rem; z-index: 5; }
.chaty-static button { background: var(--vichor-red); border: 0; border-radius: 999px; color: white; cursor: pointer; font-weight: var(--fw-bold); padding: .9rem 1.25rem; }
.chaty-static div { background: var(--surface-plate); border: 1px solid var(--rule); box-shadow: 0 12px 35px rgba(20,19,15,.18); display: grid; gap: .5rem; margin-bottom: .6rem; padding: 1rem; position: absolute; bottom: 100%; right: 0; width: 180px; }
.chaty-static div[hidden] { display: none; }
.quote-form-section { margin-top: 5rem; }
.quote-form { display: grid; gap: 1.35rem; max-width: 860px; }
.quote-form label, .quote-form fieldset { display: grid; gap: .55rem; }
.quote-form fieldset { border: 1px solid var(--rule); margin: 0; padding: 1rem; }
.quote-form legend { color: var(--ink-carbon); font-weight: var(--fw-semibold); padding: 0 .35rem; }
.quote-form input, .quote-form select, .quote-form textarea { background: var(--surface-paper); border: 1px solid var(--rule-strong); color: var(--ink-body); font: inherit; padding: .75rem; width: 100%; }
.quote-form input[type="checkbox"], .quote-form input[type="radio"] { width: auto; }
.quote-form input[type="range"] { padding: 0; }
.quote-form .choice { align-items: center; display: flex; gap: .55rem; }
.quote-form button { background: var(--vichor-red); border: 0; color: white; cursor: pointer; font: inherit; font-weight: var(--fw-bold); justify-self: start; padding: .9rem 1.25rem; }
.quote-form-status, .quote-form-degraded { color: var(--ink-tertiary); margin: 0; }
.quote-form-honeypot { height: 0; left: -9999px; overflow: hidden; position: absolute; width: 0; }
@media (max-width: 900px) {
  .hero-with-media, .content-section { grid-template-columns: 1fr; }
  .hero-with-media { min-height: auto; }
  .content-section > :not(figure), .content-section > figure { grid-column: 1; }
  .content-section > figure { grid-row: auto; margin-top: 2rem; position: static; }
  .image-review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  body { font-size: 16px; }
  main { padding-bottom: 5rem; width: min(100% - 32px, 1200px); }
  .site-header { min-height: 64px; padding: .85rem 16px; }
  nav a:not(:last-child) { display: none; }
  .hero { padding: 3.25rem 0 2.75rem; }
  .hero-with-media { gap: 2.25rem; }
  h1 { font-size: 32px; line-height: 1.08; }
  h2 { font-size: 26px; line-height: 1.15; }
  h3 { font-size: 21px; line-height: 1.2; }
  .lede { font-size: 1.05rem; }
  .content > p:first-child { font-size: 1.08rem; margin: 2.75rem 0; }
  .content-section { padding: 3.25rem 0; }
  table { min-width: 560px; }
  .image-review-grid { grid-template-columns: 1fr; }
}