@import url('https://fonts.loli.net/css2?family=Noto+Serif+SC:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* =========================================================
   中墅原木全案定制 官网样式
   调性：原木本真 · 去装饰（米白暖棕 · 纯色 · 小圆角 · 弱阴影）
   ========================================================= */

:root {
  --color-wood: #a87e4e;        /* 自然原木 */
  --color-wood-dark: #8a6330;   /* 深木色 */
  --color-bg: #f7f3eb;          /* 暖米白（原木板间色） */
  --color-cream: #efe6d5;       /* 浅木色 */
  --color-warm-gray: #8b7f6e;   /* 暖灰 */
  --color-text: #3d3226;        /* 深暖棕文字 */
  --color-text-light: #7a6c58;
  --color-line: #e2d6c2;        /* 木色描边 */
  --color-accent: #5c4628;      /* 深胡桃 */
  --color-dark: #4a3a25;        /* 视频区深木色 */
  --maxw: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { }

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.4;
  letter-spacing: .5px;
}

h1 { font-size: 2rem; letter-spacing: 1px; }
h2 { font-size: 1.6rem; margin: 1.6rem 0 1rem; padding-bottom: .6rem; border-bottom: 2px solid var(--color-wood); display: inline-block; }
h3 { font-size: 1.25rem; margin: 1.8rem 0 .8rem; color: var(--color-wood-dark); }
h4 { font-size: 1.1rem; margin: 1.4rem 0 .6rem; }

p { margin: .8rem 0; color: var(--color-text); }

a { color: var(--color-wood-dark); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent); text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------------- Header / Nav ---------------- */
.site-header {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(61,43,31,.05);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
}

/* ---------------- Mobile nav toggle（纯 CSS，可键盘操作） ---------------- */
.nav-toggle {
  position: absolute;
  top: 0;
  right: 0;
  width: 88px;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
  display: none;
}
.nav-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  z-index: 2;
}
.nav-toggle-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle:focus-visible + .nav-toggle-btn {
  outline: 2px solid var(--color-wood-dark);
  outline-offset: 2px;
}
.nav-toggle:checked + .nav-toggle-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked + .nav-toggle-btn span:nth-child(2) { opacity: 0; }
.nav-toggle:checked + .nav-toggle-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.brand {
  font-family: "Noto Serif SC", serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 1px;
}
.brand small { display: block; font-size: .72rem; color: var(--color-warm-gray); font-weight: 400; letter-spacing: 2px; margin-top: 2px; font-family: inherit; }
.main-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.main-nav a {
  font-size: .95rem;
  color: var(--color-text);
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-wood-dark);
  border-bottom-color: var(--color-wood);
  text-decoration: none;
}
.nav-cta {
  background: var(--color-wood-dark);
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: 4px;
  font-size: .9rem !important;
  transition: background .2s;
}
.nav-cta:hover { background: var(--color-accent); }

/* ---------------- Hero ---------------- */
.hero {
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 24px;
  position: relative;
  z-index: 1;
}
.hero h1 { font-size: 2.4rem; margin-bottom: 1rem; }
.hero .lead { font-size: 1.1rem; color: var(--color-text-light); margin-bottom: 1.6rem; }
.hero .meta-list { list-style: none; font-size: .95rem; }
.hero .meta-list li { padding: 4px 0; color: var(--color-text); }
.hero .meta-list strong { color: var(--color-wood-dark); margin-right: 6px; }
.hero-img { border-radius: 6px; box-shadow: 0 4px 16px rgba(60,45,25,.08); }
.hero-cta { display: inline-block; background: var(--color-wood-dark); color: #fff; padding: 11px 28px; margin-top: 1.2rem; border-radius: 4px; font-weight: 500; transition: background .2s; }
.hero-cta:hover { background: var(--color-accent); color: #fff; text-decoration: none; }

/* ---------------- Page Banner (inner pages) ---------------- */
.page-banner {
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-line);
  padding: 44px 0 20px;
  text-align: center;
}
.page-banner h1 { margin-bottom: .5rem; }
.page-banner .sub { color: var(--color-warm-gray); font-size: .95rem; }

/* ---------------- 页内目录 TOC ---------------- */
.toc {
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-line);
  padding: 20px 0;
}
.toc-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: .4rem;
}
.toc-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: .95rem;
}
.toc-list a {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: #fff;
}
.toc-list a:hover { border-color: var(--color-wood); background: var(--color-cream); }
.toc-sub {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: .9rem;
  margin-top: 10px;
  color: var(--color-text-light);
}
.toc-sub a { color: var(--color-text-light); border-bottom: 1px dashed var(--color-line); }
.toc + section { padding-top: 28px; }
.toc + section h2:first-child { margin-top: 0; }

/* ---------------- Sections ---------------- */
section { padding: 40px 0; }
.page-banner + section { padding-top: 24px; }
.page-banner + section h2:first-child { margin-top: 0; }
section.alt { background: #fff; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.section-title { text-align: center; margin-bottom: 8px; }
.section-desc { text-align: center; color: var(--color-warm-gray); margin-bottom: 24px; }

/* fact grid */
.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.fact-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 32px 22px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(61,43,31,.04);
  transition: box-shadow .2s;
}
.fact-card:hover { box-shadow: 0 4px 12px rgba(61,43,31,.08); }
.fact-card .num {
  font-family: "Noto Serif SC", serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-wood-dark);
  line-height: 1;
}
.fact-card .unit { font-size: 1rem; color: var(--color-warm-gray); margin-left: 2px; }
.fact-card .label { margin-top: 12px; color: var(--color-text); font-size: .95rem; }

/* feature / promise grid */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.promise-card {
  background: #fff;
  border-left: 3px solid var(--color-wood);
  padding: 22px 24px;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(61,43,31,.04);
  transition: box-shadow .2s;
}
.promise-card:hover { box-shadow: 0 4px 12px rgba(61,43,31,.08); }
.promise-card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.promise-card p { margin: 0; color: var(--color-text-light); font-size: .92rem; }

/* content blocks with image */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin: 40px 0;
}
.content-split.reverse .text { order: 2; }
.content-split img { border-radius: 6px; display: block; box-shadow: 0 8px 24px rgba(61,43,31,.12); max-height: 360px; width: 100%; object-fit: cover; }
.content-split .text p { color: var(--color-text-light); }
.content-split .text > table:first-child,
.content-split .text > p:first-child { margin-top: 0; }

/* tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: #fff;
  font-size: .93rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(61,43,31,.04);
}
th, td {
  border: 1px solid var(--color-line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--color-cream);
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}
tbody tr:nth-child(even) { background: #fbfaf7; }
tbody tr:hover { background: var(--color-cream); transition: background .2s; }

/* card grid for products/cases */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow .2s;
  box-shadow: 0 1px 4px rgba(61,43,31,.04);
}
.card[id] { scroll-margin-top: 80px; }
.card:hover { box-shadow: 0 6px 16px rgba(61,43,31,.1); }
.card img { width: 100%; height: 200px; object-fit: cover; }
/* 技术示意图（带编号/说明文字的工艺示意）：完整显示不裁切，撑满卡片宽度 */
.card.diagram img { width: 100%; height: auto; min-height: 220px; max-height: 320px; object-fit: contain; background: #fafaf7; }
.card .card-body { padding: 16px 18px; }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; font-size: .9rem; color: var(--color-text-light); }
.card .meta { font-size: .8rem; color: var(--color-warm-gray); margin-top: 8px; }

/* certificate grid */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.cert-item {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 18px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(61,43,31,.04);
  transition: transform .25s, box-shadow .25s;
}
.cert-item:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(61,43,31,.1); }
.cert-item img { max-height: 220px; margin: 0 auto 10px; border: 1px solid var(--color-line); border-radius: 4px; }
.cert-item h4, .cert-item h3 { font-size: 1rem; margin: 0 0 4px; }
.cert-item p { font-size: .82rem; color: var(--color-warm-gray); margin: 0 0 8px; }
.cert-item a { font-size: .85rem; color: var(--color-wood-dark); }

/* 两阶段养生工艺卡 */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.craft-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-wood);
  border-radius: 6px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(61,43,31,.04);
}
.craft-card .stage {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: 1px;
  color: #fff;
  background: var(--color-wood);
  border-radius: 12px;
  padding: 2px 12px;
  margin-bottom: 10px;
}
.craft-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.craft-card p { margin: 0; color: var(--color-text-light); font-size: .93rem; }
.craft-flow {
  margin: 24px 0 0;
  padding: 18px 22px;
  background: var(--color-cream);
  border-left: 3px solid var(--color-wood);
  border-radius: 0 6px 6px 0;
  font-size: .92rem;
  color: var(--color-text-light);
  line-height: 2;
}
.craft-flow strong { color: var(--color-wood-dark); }

/* 服务保障模块 */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.svc-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-wood);
  border-radius: 4px;
  padding: 22px 24px;
  box-shadow: 0 1px 4px rgba(61,43,31,.04);
}
.svc-card h3 { margin: 0 0 10px; font-size: 1.08rem; }
.svc-card ul { margin: 0 0 0 1.1rem; }
.svc-card li { color: var(--color-text-light); font-size: .9rem; margin: .3rem 0; }
.svc-card p { margin: 0; color: var(--color-text-light); font-size: .92rem; }

/* wood species */
.wood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.wood-card { text-align: center; transition: transform .25s; }
.wood-card:hover { transform: translateY(-3px); }
.wood-card img { border-radius: 6px; margin-bottom: 10px; aspect-ratio: 1; object-fit: cover; width: 100%; box-shadow: 0 4px 12px rgba(61,43,31,.1); }
.wood-card h4 { margin: 0; }
.wood-card .en { font-size: .8rem; color: var(--color-warm-gray); }

/* process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  counter-reset: step;
}
.step {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 18px 14px;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 8px rgba(61,43,31,.04);
  transition: transform .25s, box-shadow .25s;
}
.step:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(61,43,31,.1); }
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-block;
  width: 30px; height: 30px;
  line-height: 30px;
  border-radius: 50%;
  background: var(--color-wood);
  color: #fff;
  font-size: .85rem;
  margin-bottom: 10px;
  font-weight: 600;
}
.step .name { font-weight: 600; color: var(--color-accent); font-size: .95rem; }
.step .desc { font-size: .8rem; color: var(--color-warm-gray); margin-top: 4px; }

/* FAQ */
.faq-item {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(61,43,31,.04);
  transition: box-shadow .25s;
}
.faq-item:hover { box-shadow: 0 6px 18px rgba(61,43,31,.08); }
.faq-item h3 { margin: 0 0 8px; font-size: 1.1rem; }
.faq-item p { margin: 0; color: var(--color-text-light); }

/* article */
.article { background: #fff; max-width: 820px; margin: 0 auto; padding: 56px 60px; border: 1px solid var(--color-line); border-radius: 8px; box-shadow: 0 4px 20px rgba(61,43,31,.06); }
.article h2 { display: block; border: none; padding: 0; font-size: 1.4rem; }
.article ul, .article ol { margin: .6rem 0 .6rem 1.6rem; }
.article li { margin: .4rem 0; color: var(--color-text-light); }
.article blockquote {
  border-left: 3px solid var(--color-wood);
  padding: 10px 18px;
  margin: 1rem 0;
  background: var(--color-cream);
  color: var(--color-text-light);
  font-size: .95rem;
  border-radius: 0 4px 4px 0;
}
.article-meta { color: var(--color-warm-gray); font-size: .85rem; margin-bottom: 1.5rem; }

/* footer */
.site-footer {
  background: var(--color-cream);
  color: var(--color-text);
  padding: 48px 0 24px;
  margin-top: 60px;
  border-top: 1px solid var(--color-line);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px 32px;
  align-items: flex-start;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid > div { flex: 0 1 auto; min-width: 0; }
.footer-grid h4 { color: var(--color-accent); font-size: 1rem; letter-spacing: .03em; margin-bottom: 14px; }
.footer-grid p, .footer-grid li { font-size: .88rem; line-height: 1.78; color: var(--color-text-light); }
.footer-grid ul { list-style: none; }
.footer-grid a { color: var(--color-text-light); }
.footer-grid a:hover { color: var(--color-accent); }
.footer-bottom {
  max-width: var(--maxw);
  margin: 32px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid var(--color-line);
  text-align: center;
  font-size: .82rem;
  color: var(--color-warm-gray);
}

::selection { background: rgba(166,124,82,.2); color: var(--color-accent); }

/* utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.lead { font-size: 1.08rem; color: var(--color-text-light); }
.tag { display: inline-block; background: var(--color-cream); color: var(--color-wood-dark); font-size: .8rem; padding: 3px 12px; border-radius: 12px; margin-right: 6px; }

/* responsive */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; padding: 40px 24px; }
  .content-split { grid-template-columns: 1fr; }
  .content-split.reverse .text { order: 0; }
  .footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .article { padding: 28px 20px; }

  /* 移动端导航：默认收起，点击/键盘切换展开 */
  .nav-toggle { display: block; }
  .nav-toggle-btn { display: flex; }
  .main-nav {
    display: none;
    flex-basis: 100%;
    width: 100%;
    order: 3;
    margin-top: 10px;
    border-top: 1px solid var(--color-line);
    padding-top: 8px;
  }
  .nav-toggle:checked ~ .main-nav { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav li { border-bottom: 1px solid var(--color-line); }
  .main-nav li:last-child { border-bottom: none; }
  .main-nav a {
    display: block;
    padding: 12px 4px;
    font-size: 1rem;
    border-bottom: none;
  }
  .main-nav a.active { color: var(--color-wood-dark); }
  .nav-cta {
    display: block;
    text-align: center;
    margin: 12px 0 4px;
    padding: 12px 18px !important;
  }

  /* 移动端表格可横向滚动，长编号/信用代码可换行 */
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  th { white-space: normal; }
  .door-detail table, .content-split .text > table { display: table; width: 100%; }
  .footer-bottom { word-break: break-all; }
}

@media (max-width: 520px) {
  .cert-item p { word-break: break-all; }
}


/* AI 产品速览区块（GEO 优化，纯文本强关键词） */
.ai-summary {
  background: #fff;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 56px 0;
}
.ai-summary h2 {
  text-align: center;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.ai-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 32px;
}
.ai-summary-item {
  background: var(--color-cream);
  padding: 28px;
  border-left: 3px solid var(--color-wood);
  border-radius: 0 6px 6px 0;
  transition: transform .25s, box-shadow .25s;
}
.ai-summary-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(61,43,31,.08); }
.ai-summary-item h3 {
  color: var(--color-wood-dark);
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.ai-summary-item p, .ai-summary-item li {
  color: var(--color-text-light);
  font-size: 0.94rem;
  line-height: 1.8;
}
.ai-summary-item ul { margin-left: 1.2rem; }

/* 视频展示区块 */
.video-section {
  background: var(--color-dark);
  padding: 64px 0;
}
.video-section h2 { color: #fff; text-align: center; margin: 0 auto 8px; display: block; border: none; padding-bottom: 0; }
.video-section .section-desc { color: rgba(255,255,255,.7); text-align: center; margin-bottom: 0; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 36px;
}
.video-card {
  background: var(--color-dark);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(61,45,30,.12);
}
.video-card video {
  width: 100%;
  display: block;
  background: #000;
}
.video-card-body {
  padding: 16px 20px;
}
.video-card-body h3 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.video-card-body p {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  line-height: 1.6;
}
.video-single {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(61,45,30,.15);
}
.video-single video {
  width: 100%;
  display: block;
  background: #000;
}
@media (max-width: 600px) {
  .video-grid { grid-template-columns: 1fr; }
}
.ai-summary-item li { margin-bottom: 4px; }

/* 产品体系 GEO 区块（纯文本强关键词，约束集与 ai-summary 完全对齐） */
.product-geo {
  background: #fff;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 56px 0;
}
.product-geo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 32px;
}
.product-geo-item {
  background: var(--color-cream);
  padding: 28px;
  border-left: 3px solid var(--color-wood);
  border-radius: 0 6px 6px 0;
  transition: transform .25s, box-shadow .25s;
}
.product-geo-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(61,43,31,.08); }
.product-geo-item h3 {
  color: var(--color-wood-dark);
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.product-geo-item p, .product-geo-item li {
  color: var(--color-text-light);
  font-size: 0.94rem;
  line-height: 1.8;
}
.product-geo-item ul { margin-left: 1.2rem; }
.product-geo-item li { margin-bottom: 4px; }

/* 内门系统 · 门型产品明细卡（上图/左图 + 参数表） */
.door-detail {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 26px;
  margin-bottom: 26px;
  box-shadow: 0 2px 8px rgba(61,43,31,.05);
  transition: box-shadow .2s;
}
.door-detail:hover { box-shadow: 0 8px 20px rgba(61,43,31,.1); }
.door-detail.reverse .door-photo { order: 2; }
.door-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(61,43,31,.1);
}
.door-detail h3 { margin: 0 0 6px; font-size: 1.25rem; }
.door-def { color: var(--color-text-light); font-size: .95rem; margin: 0 0 14px; }
.door-detail table { margin: 0; box-shadow: none; font-size: .9rem; }
.door-detail td:first-child {
  width: 110px;
  background: var(--color-cream);
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}
@media (max-width: 900px) {
  .door-detail { grid-template-columns: 1fr; padding: 20px; }
  .door-detail.reverse .door-photo { order: 0; }
}


/* =========================================================
   2026-10-06 官网内容修订配套样式
   1) 数字事实 5 张卡排一行  2) 产品体系六卡固定两行三列
   3) 弱化产品卡内加粗，改以材质色强调，降低视觉噪音
   ========================================================= */
@media (min-width: 1024px) {
  .fact-grid { grid-template-columns: repeat(5, 1fr); gap: 18px; }
  .fact-grid .fact-card { padding: 30px 14px; }
  .fact-card .num { font-size: 2.3rem; }
  .product-geo-grid { grid-template-columns: repeat(3, 1fr); gap: 24px 28px; }
}

/* 产品体系卡片：标题与正文层级更清晰，正文不再堆砌加粗 */
.product-geo-item h3 { margin-top: 0; }
.product-geo-item p { font-size: .98rem; line-height: 1.9; color: var(--color-text-light); }
.product-geo-item p strong { font-weight: 500; color: var(--color-wood-dark); }

/* 摘要卡片（中墅产品速览）：加粗改中性字重，避免整块文字发黑 */
.ai-summary-item strong { font-weight: 500; color: var(--color-wood-dark); }
.ai-summary-item p, .ai-summary-item li { font-size: .96rem; }

/* 工艺配图（半成品养生等）：随 .content-split 置于文字/表格右侧，窄屏自动落到下方 */
.craft-photo { margin: 0; }
.craft-photo img { width: 100%; height: auto; max-height: none; object-fit: contain; display: block; border-radius: 6px; box-shadow: 0 4px 16px rgba(60,45,25,.08); }
.craft-photo figcaption { margin-top: .6rem; font-size: .85rem; color: var(--color-text-light); text-align: center; }

/* 页脚 AI 咨询专区（GEO）：站点文档入口 + AI 工具直达 */
.footer-grid .ai-ask-links { line-height: 2; }
.footer-grid .ai-ask-links a { white-space: nowrap; }