/* 首页独立视觉系统：全部选择器限定在 home-v1，保留共享页面样式。 */
/* 仅首页提升现有导航层级，防止首屏定位图片遮挡展开的移动菜单。 */
body:has(.home-v1) .site-nav {
  position: relative;
  z-index: 2;
}
.home-v1 {
  --home-ink: #172522;
  --home-muted: #52605d;
  --home-rule: #dce2df;
  --home-red: #ac3029;
  background: #fff;
  color: var(--home-ink);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}
.home-v1 * {
  letter-spacing: 0;
}
.home-v1 a {
  color: inherit;
}
.home-v1 a:hover {
  opacity: 1;
}
.home-v1 a:focus-visible {
  outline: 3px solid var(--home-red);
  outline-offset: 5px;
}
.home-v1 .home-hero {
  position: relative;
  min-height: min(680px, calc(100svh - 120px));
  overflow: hidden;
  background: #f2f5f3;
}
.home-v1 .home-hero-image {
  position: absolute;
  inset: 0;
}
.home-v1 .home-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.home-v1 .home-hero-inner {
  position: relative;
  max-width: 1440px;
  margin: auto;
  padding: 64px 64px 100px;
}
.home-v1 .home-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.5;
}
.home-v1 .home-brand-mark {
  width: 9px;
  height: 9px;
  background: var(--home-red);
  flex-shrink: 0;
}
.home-v1 h1 {
  font-size: 88px;
  line-height: 0.98;
  font-weight: 700;
  margin: 30px 0 24px;
  max-width: 620px;
}
.home-v1 .home-title-dot {
  color: var(--home-red);
}
.home-v1 .home-hero-tagline {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  line-height: 1.4;
  max-width: 430px;
}
.home-v1 .home-hero-description {
  color: var(--home-muted);
  font-size: 14px;
  line-height: 1.75;
  max-width: 365px;
  margin-top: 14px;
}
.home-v1 .home-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.home-v1 .home-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 4px;
  background: var(--home-red);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.18s ease;
}
.home-v1 .home-button:hover {
  background: #82221e;
}
.home-v1 .home-button span,
.home-v1 .home-text-link span {
  font-size: 19px;
  line-height: 1;
}
.home-v1 .home-text-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  min-height: 44px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--home-rule);
  text-underline-offset: 6px;
  transition: color 0.18s ease;
}
.home-v1 .home-text-link:hover {
  color: var(--home-red);
}
.home-v1 .home-hero-caption {
  position: absolute;
  bottom: 22px;
  left: 64px;
  right: 64px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--home-muted);
  font-size: 10px;
  border-top: 1px solid #c9d3cf;
  padding-top: 14px;
}
.home-v1 .home-section {
  max-width: 1440px;
  margin: auto;
  padding: 60px 64px;
}
.home-v1 .home-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}
.home-v1 h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  line-height: 1.15;
  font-weight: 400;
  margin-top: 12px;
}
.home-v1 .home-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 38px 24px;
}
.home-v1 .home-product {
  min-width: 0;
}
.home-v1 .home-product-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f3f5f4;
}
.home-v1 .home-product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
  mix-blend-mode: multiply;
  transition: transform 0.3s ease;
}
.home-v1 .home-product:hover img {
  transform: scale(1.035);
}
.home-v1 .home-product-index {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: 11px;
  color: var(--home-muted);
}
.home-v1 .home-product-arrow {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: #fff;
  border-radius: 50%;
  font-size: 20px;
  transition: color 0.18s ease;
}
.home-v1 .home-product:hover .home-product-arrow {
  color: var(--home-red);
}
.home-v1 .home-product-category {
  color: var(--home-muted);
  font-size: 10px;
  text-transform: uppercase;
  margin-top: 16px;
}
.home-v1 .home-product h3 {
  font-size: 15px;
  line-height: 1.5;
  font-weight: 500;
  margin-top: 6px;
  overflow-wrap: anywhere;
}
.home-v1 .home-news-section {
  border-top: 1px solid var(--home-rule);
}
.home-v1 .home-article {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 20px;
  padding: 25px 0;
  border-top: 1px solid var(--home-rule);
}
.home-v1 .home-article.has-image {
  grid-template-columns: 34px 144px minmax(0, 1fr) 24px;
}
.home-v1 .home-article-image {
  width: 144px;
  height: 108px;
  background: #f3f5f4;
  overflow: hidden;
}
.home-v1 .home-article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.home-v1 .home-article-copy {
  min-width: 0;
}
.home-v1 .home-article-copy h3 {
  margin-top: 6px;
}
.home-v1 .home-article-excerpt {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--home-muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.home-v1 .home-article:last-child {
  border-bottom: 1px solid var(--home-rule);
}
.home-v1 .home-article-number,
.home-v1 .home-article time {
  font-size: 11px;
  color: var(--home-muted);
}
.home-v1 .home-article h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.home-v1 .home-article-arrow {
  font-size: 23px;
  color: var(--home-red);
}
.home-v1 .home-article:hover h3 {
  color: var(--home-red);
}
.home-v1 .home-news-empty {
  padding: 24px 0;
  color: var(--home-muted);
  font-size: 14px;
}
.home-v1 .home-about-section {
  background: #eef3f1;
  max-width: none;
}
.home-v1 .home-about,
.home-v1 .home-contact {
  max-width: 1312px;
  margin: auto;
}
.home-v1 .home-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 6px 0 56px;
}
.home-v1 .home-about h2 {
  font-size: 40px;
  margin-bottom: 24px;
}
.home-v1 .home-about-copy {
  color: var(--home-muted);
  font-size: 15px;
  line-height: 1.9;
  padding-top: 26px;
}
.home-v1 .home-about-copy p + p {
  margin-top: 18px;
}
.home-v1 .home-about-copy strong {
  color: var(--home-ink);
}
.home-v1 .home-contact {
  border-top: 1px solid #cbd6d1;
  padding-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 36px;
  font-size: 14px;
}
.home-v1 .home-contact h2 {
  font-size: 30px;
}
.home-v1 .home-contact-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--home-muted);
  margin-bottom: 8px;
}
.home-v1 .home-contact-email {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  font-size: 18px;
  overflow-wrap: anywhere;
}
.home-v1 .home-contact-email:hover {
  color: var(--home-red);
}
.home-v1 .home-address-label {
  margin-top: 18px;
}
.home-v1 .home-address {
  font-size: 12px;
  line-height: 1.7;
  max-width: 300px;
}
@media (min-width: 1800px) {
  .home-v1 .home-hero-image img {
    object-fit: contain;
  }
}
@media (max-width: 1300px) and (min-width: 1001px) {
  .home-v1 .home-hero-inner {
    padding: 52px 36px 90px;
  }
  .home-v1 h1 {
    font-size: 68px;
    max-width: 470px;
  }
  .home-v1 .home-hero-tagline {
    font-size: 21px;
    max-width: 340px;
  }
  .home-v1 .home-hero-description {
    max-width: 300px;
  }
  .home-v1 .home-hero-image img {
    object-position: 40% center;
  }
  .home-v1 .home-hero-caption {
    left: 36px;
    right: 36px;
  }
  .home-v1 .home-section {
    padding: 48px 36px;
  }
  .home-v1 .home-about {
    gap: 36px;
  }
  .home-v1 .home-contact {
    grid-template-columns: 1fr 1fr;
  }
  .home-v1 .home-contact > div:first-child {
    grid-column: 1 / -1;
  }
}
@media (max-width: 1000px) {
  .home-v1 .home-hero {
    min-height: max(550px, calc(100svh - 150px));
  }
  .home-v1 .home-hero-inner {
    padding: 32px 24px 240px;
  }
  .home-v1 h1 {
    font-size: 48px;
    margin: 24px 0 18px;
  }
  .home-v1 .home-eyebrow {
    font-size: 10px;
  }
  .home-v1 .home-hero-tagline {
    font-size: 20px;
    max-width: 320px;
  }
  .home-v1 .home-hero-description {
    font-size: 12px;
    max-width: 310px;
    margin-top: 10px;
  }
  .home-v1 .home-actions {
    margin-top: 20px;
    gap: 18px;
  }
  .home-v1 .home-hero-image {
    top: auto;
    bottom: 48px;
    height: 200px;
  }
  .home-v1 .home-hero-image img {
    object-fit: contain;
  }
  .home-v1 .home-hero-caption {
    left: 24px;
    right: 24px;
    bottom: 16px;
    font-size: 8px;
    gap: 8px;
    padding-top: 10px;
  }
  .home-v1 .home-section {
    padding: 38px 24px;
  }
  .home-v1 .home-section-heading {
    gap: 12px;
    margin-bottom: 24px;
  }
  .home-v1 h2 {
    font-size: 34px;
  }
  .home-v1 .home-text-link {
    font-size: 12px;
    gap: 10px;
  }
  .home-v1 .home-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 14px;
  }
  .home-v1 .home-product-image {
    aspect-ratio: 1;
  }
  .home-v1 .home-product-image img {
    padding: 14px;
  }
  .home-v1 .home-product-index {
    left: 10px;
    top: 8px;
    font-size: 9px;
  }
  .home-v1 .home-product-arrow {
    width: 26px;
    height: 26px;
    right: 8px;
    bottom: 8px;
    font-size: 17px;
  }
  .home-v1 .home-product-category {
    font-size: 9px;
    margin-top: 12px;
  }
  .home-v1 .home-product h3 {
    font-size: 12px;
  }
  .home-v1 .home-article {
    grid-template-columns: minmax(0, 1fr) 20px;
    gap: 8px 12px;
    padding: 20px 0;
  }
  .home-v1 .home-article-number {
    display: none;
  }
  .home-v1 .home-article.has-image {
    grid-template-columns: 88px minmax(0, 1fr) 20px;
  }
  .home-v1 .home-article-image {
    width: 88px;
    height: 88px;
    align-self: start;
  }
  .home-v1 .home-article h3 {
    font-size: 19px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }
  .home-v1 .home-article-arrow {
    align-self: center;
  }
  .home-v1 .home-about {
    grid-template-columns: 1fr;
    gap: 0;
    padding-bottom: 30px;
  }
  .home-v1 .home-about h2 {
    font-size: 32px;
    margin-bottom: 14px;
  }
  .home-v1 .home-about-copy {
    font-size: 14px;
    padding-top: 20px;
  }
  .home-v1 .home-contact {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 28px;
  }
  .home-v1 .home-contact-email {
    font-size: 17px;
  }
}
@media (min-width: 701px) and (max-width: 1000px) {
  .home-v1 .home-hero {
    min-height: 650px;
  }
  .home-v1 .home-hero-inner {
    padding: 48px 36px 120px;
  }
  .home-v1 h1 {
    font-size: 58px;
  }
  .home-v1 .home-hero-image {
    left: auto;
    right: 0;
    bottom: 70px;
    width: 52%;
    height: 320px;
  }
  .home-v1 .home-hero-caption {
    left: 36px;
    right: 36px;
    font-size: 10px;
  }
  .home-v1 .home-section {
    padding: 48px 36px;
  }
  .home-v1 .home-about {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .home-v1 .home-contact {
    grid-template-columns: 1fr 1fr;
  }
  .home-v1 .home-contact > div:first-child {
    grid-column: 1 / -1;
  }
}
@media (max-width: 700px) and (max-height: 740px) {
  .home-v1 .home-hero {
    min-height: 500px;
  }
  .home-v1 .home-hero-inner {
    padding-top: 24px;
    padding-bottom: 190px;
  }
  .home-v1 .home-hero-image {
    height: 150px;
  }
  .home-v1 h1 {
    font-size: 44px;
    margin-top: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .home-v1 *,
  .home-v1 *::before,
  .home-v1 *::after {
    transition: none;
  }
}