/* ============================================================
   中析研究所生物检测中心 —「白瓷洁净实验室」
   暖白底 · 白瓷卡柔影 · 生物绿语义色 · 杂志式栅格
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --paper: #FAFAF7;
  --card: #FFFFFF;
  --mist: #F2F8F4;
  --soft: #EAF4EF;
  --ink: #1A2420;
  --ink-soft: #5C6B64;
  --ink-faint: #93A09A;
  --bio: #0E7A5F;
  --bio-deep: #0A5744;
  --bio-dim: #6FA793;
  --line: #E6EBE6;
  --gold: #C9A25A;
  --moss: #0C2B22;

  --text-xs: .78rem;
  --text-sm: .875rem;
  --text-base: 1rem;
  --text-md: clamp(1.05rem, .98rem + .3vw, 1.2rem);
  --text-h3: clamp(1.25rem, 1.1rem + .6vw, 1.55rem);
  --text-h2: clamp(1.7rem, 1.3rem + 1.8vw, 2.6rem);
  --text-hero: clamp(2.3rem, 1.4rem + 4.6vw, 4.3rem);

  --wrap: 1220px;
  --gutter: clamp(1.1rem, .4rem + 2.6vw, 2.6rem);
  --space-section: clamp(4rem, 3rem + 4.5vw, 7.5rem);

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 10px 30px rgba(14, 60, 45, .08);
  --shadow-lift: 0 18px 48px rgba(14, 60, 45, .13);

  --dur-fast: 150ms;
  --dur: 300ms;
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--soft); color: var(--bio-deep); }
:focus-visible { outline: 2px solid var(--bio); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--space-section) 0; }

/* section header 杂志式：kicker + 大标题 + 分隔 */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.2rem); }
.sec-kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .22em;
  color: var(--bio); text-transform: uppercase;
}
.sec-kicker::before { content: ""; width: 9px; height: 9px; background: var(--bio); border-radius: 2px; transform: rotate(45deg); flex: none; }
.sec-title { font-size: var(--text-h2); font-weight: 700; line-height: 1.25; letter-spacing: .01em; margin-top: .9rem; }
.sec-sub { margin-top: .8rem; color: var(--ink-soft); max-width: 34em; font-size: var(--text-md); }
.sec-head .sec-aside { flex: none; padding-bottom: .5rem; color: var(--ink-faint); font-size: var(--text-sm); }
.sec-head.center { flex-direction: column; align-items: center; text-align: center; }
.sec-head.center .sec-sub { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .82em 1.9em; border-radius: 999px;
  font-size: var(--text-base); font-weight: 600; line-height: 1.4;
  cursor: pointer; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out), background var(--dur), color var(--dur), border-color var(--dur);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-bio { background: var(--bio); color: #fff; box-shadow: 0 8px 22px rgba(14, 122, 95, .28); }
.btn-bio:hover { background: var(--bio-deep); box-shadow: 0 12px 30px rgba(10, 87, 68, .34); }
.btn-ghost { border: 1.5px solid var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-ghost-light { border: 1.5px solid rgba(255, 255, 255, .7); color: #fff; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.btn-arrow { display: inline-flex; align-items: center; gap: .5em; font-weight: 600; color: var(--bio); }
.btn-arrow::after { content: "→"; transition: transform var(--dur) var(--ease-out); }
.btn-arrow:hover::after { transform: translateX(5px); }

/* ---------- topbar ---------- */
.topbar { background: var(--moss); color: rgba(255, 255, 255, .78); font-size: var(--text-xs); }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 1rem; }
.topbar a { color: rgba(255, 255, 255, .78); }
.topbar a:hover { color: #fff; }
.topbar-links { display: flex; gap: 1.4rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(250, 250, 247, .82);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur), border-color var(--dur), background var(--dur);
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(14, 60, 45, .06); background: rgba(250, 250, 247, .94); }
.head-inner { display: flex; align-items: center; gap: 2rem; min-height: 76px; }
.brand { flex: none; display: inline-flex; align-items: center; }
.brand img { width: 176px; height: auto; }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; align-items: center; gap: clamp(1.2rem, .6rem + 1.6vw, 2.2rem); }
.site-nav a { position: relative; font-size: .95rem; font-weight: 500; color: var(--ink); padding: .4em 0; }
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--bio); border-radius: 2px;
  transition: right var(--dur) var(--ease-out);
}
.site-nav a:hover::after, .site-nav a[aria-current]::after { right: 0; }
.head-cta { flex: none; display: flex; align-items: center; gap: 1.1rem; }
.head-phone { display: flex; flex-direction: column; line-height: 1.3; text-align: right; }
.head-phone small { font-size: var(--text-xs); color: var(--ink-faint); }
.head-phone strong { font-size: 1.08rem; color: var(--bio-deep); letter-spacing: .02em; }
.nav-toggle { display: none; }

/* 移动端全屏菜单:基础样式全局生效,桌面下永久隐藏 */
.m-nav {
  position: fixed; inset: 0; z-index: 95; display: grid; align-content: center; gap: .4rem;
  background: rgba(250, 250, 247, .97); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  padding: 5rem var(--gutter) 3rem;
  opacity: 0; visibility: hidden; transition: opacity var(--dur), visibility var(--dur);
}
.m-nav.open { opacity: 1; visibility: visible; }
.m-nav a { font-size: 1.5rem; font-weight: 700; padding: .55em 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.m-nav a::after { content: "→"; color: var(--bio); font-size: .8em; }
.m-nav .m-close { position: absolute; top: 1rem; right: var(--gutter); width: 42px; height: 42px; font-size: 1.6rem; color: var(--ink-soft); }
.body-locked { overflow: hidden; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #F4FAF6 0%, #FAFAF7 100%); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--ease-out); pointer-events: none; }
.hero-slide.on { opacity: 1; }
.hero-slide video, .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(250, 250, 247, .94) 0%, rgba(250, 250, 247, .78) 34%, rgba(250, 250, 247, .42) 66%, rgba(250, 250, 247, .18) 100%),
              linear-gradient(180deg, rgba(250, 250, 247, .30) 0%, rgba(250, 250, 247, 0) 30%, rgba(250, 250, 247, 0) 62%, rgba(250, 250, 247, .55) 100%);
}
.hero-inner { position: relative; z-index: 2; display: grid; align-content: center; min-height: clamp(560px, 82vh, 780px); padding-top: clamp(3rem, 2rem + 4vw, 6rem); padding-bottom: clamp(6rem, 4rem + 6vw, 9rem); }
.hero-kicker {
  display: inline-flex; align-items: center; gap: .7rem;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .24em; color: var(--bio); text-transform: uppercase;
}
.hero-kicker::before, .hero-kicker::after { content: ""; height: 1px; width: 44px; background: linear-gradient(90deg, transparent, var(--bio-dim)); }
.hero-kicker::after { background: linear-gradient(90deg, var(--bio-dim), transparent); }
.hero h1 { margin-top: 1.3rem; font-size: var(--text-hero); font-weight: 800; line-height: 1.16; letter-spacing: .01em; color: var(--ink); max-width: 12em; }
.hero h1 em { font-style: normal; color: var(--bio); }
.hero-deck { margin-top: 1.4rem; max-width: 34em; }
.hero-deck p {
  position: absolute; inset: 0; opacity: 0; transform: translateY(8px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  color: var(--ink-soft); font-size: var(--text-md);
}
.hero-deck p.on { position: relative; opacity: 1; transform: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem 1.2rem; margin-top: 2.4rem; }
.hero-tabs { display: flex; gap: .6rem; margin-top: 3rem; }
.hero-tab {
  padding: .5em 1.25em; border-radius: 999px;
  background: rgba(255, 255, 255, .72); border: 1px solid var(--line);
  font-size: var(--text-sm); font-weight: 500; color: var(--ink-soft);
  transition: all var(--dur) var(--ease-out);
}
.hero-tab:hover { border-color: var(--bio-dim); color: var(--bio-deep); }
.hero-tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.hero-tab span { display: block; font-size: .66rem; letter-spacing: .14em; opacity: .7; }

/* 悬浮数据带压 hero 下沿 */
.hero-plate {
  position: relative; z-index: 3;
  margin-top: calc(clamp(6rem, 4rem + 6vw, 9rem) * -1 + 1.2rem);
}
.plate-card {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow-lift); overflow: hidden;
}
.plate-item { padding: clamp(1.4rem, 1rem + 1.6vw, 2.2rem) clamp(1.2rem, .8rem + 1.8vw, 2.4rem); text-align: center; }
.plate-item + .plate-item { border-left: 1px solid var(--line); }
.plate-num { font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.7rem); font-weight: 800; color: var(--bio-deep); line-height: 1.15; font-variant-numeric: tabular-nums; }
.plate-num small { font-size: .55em; font-weight: 700; color: var(--gold); margin-left: .15em; }
.plate-label { margin-top: .35rem; font-size: var(--text-sm); color: var(--ink-soft); }

/* ---------- 资质带 ---------- */
.cred-band { padding: clamp(3rem, 2.4rem + 2.5vw, 4.5rem) 0 0; }
.cred-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); }
.cred-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 1.3rem 1.4rem;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur);
}
.cred-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: var(--bio-dim); }
.cred-seal {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid var(--gold); color: var(--gold);
  font-weight: 800; font-size: .72rem; letter-spacing: .04em;
}
.cred-card h3 { font-size: 1.02rem; font-weight: 700; }
.cred-card p { margin-top: .2rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.6; }

/* ---------- 检测服务(编辑式不对称栅格) ---------- */
.services { background: var(--card); }
.svc-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.svc-card {
  position: relative; grid-column: span 7;
  background: var(--paper); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  display: grid; grid-template-rows: auto 1fr;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.svc-card:nth-child(2n) { grid-column: span 5; }
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.svc-media { position: relative; aspect-ratio: 16 / 8.6; overflow: hidden; background: var(--mist); }
.svc-card:nth-child(2n) .svc-media { aspect-ratio: 16 / 7.4; }
.svc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.svc-card:hover .svc-media img { transform: scale(1.045); }
.svc-badge {
  position: absolute; left: 1.2rem; bottom: -21px; z-index: 2;
  width: 42px; height: 42px; border-radius: 13px;
  background: var(--card); box-shadow: var(--shadow-soft);
  display: grid; place-items: center; color: var(--bio);
}
.svc-body { padding: 2.1rem 1.6rem 1.7rem; }
.svc-body h3 { font-size: var(--text-h3); font-weight: 700; }
.svc-body h3 small { font-size: .62em; font-weight: 600; letter-spacing: .16em; color: var(--bio); margin-left: .8em; text-transform: uppercase; }
.svc-list { margin-top: 1rem; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem 1.4rem; }
.svc-list li { position: relative; padding-left: 1.15em; font-size: .92rem; color: var(--ink-soft); }
.svc-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; border-radius: 50%; background: var(--bio-dim); }
.svc-body .btn-arrow { margin-top: 1.2rem; font-size: var(--text-sm); }

/* ---------- 检测项目分类 tab ---------- */
.projects { background: var(--mist); }
.cat-tabs { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; }
.cat-tab {
  padding: .55em 1.4em; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line);
  font-size: var(--text-sm); font-weight: 500; color: var(--ink-soft);
  transition: all var(--dur) var(--ease-out);
}
.cat-tab:hover { border-color: var(--bio-dim); color: var(--bio-deep); }
.cat-tab[aria-selected="true"] { background: var(--bio); border-color: var(--bio); color: #fff; box-shadow: 0 8px 20px rgba(14, 122, 95, .25); }
.cat-panel { display: none; animation: panelIn .45s var(--ease-out); }
.cat-panel.on { display: block; }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .9rem; }
.cat-item {
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .85rem 1.15rem; font-size: .92rem; color: var(--ink);
  transition: all var(--dur) var(--ease-out);
}
.cat-item::after { content: "↗"; color: var(--ink-faint); font-size: .85em; transition: all var(--dur) var(--ease-out); }
.cat-item:hover { border-color: var(--bio); color: var(--bio-deep); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.cat-item:hover::after { color: var(--bio); transform: translate(2px, -2px); }
.cat-more { margin-top: 1.8rem; text-align: center; }

/* ---------- 检测流程 ---------- */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); counter-reset: step; }
.flow-step { position: relative; padding-top: 1.6rem; border-top: 2px solid var(--line); }
.flow-step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -1.15em; left: 0;
  font-size: clamp(2.4rem, 1.8rem + 2.4vw, 3.4rem); font-weight: 800; line-height: 1;
  color: var(--soft); -webkit-text-stroke: 1px var(--bio-dim);
  transition: color var(--dur) var(--ease-out);
}
.flow-step:hover::before { color: var(--soft); -webkit-text-stroke: 1.5px var(--bio); }
.flow-step h3 { margin-top: 1.4rem; font-size: 1.12rem; font-weight: 700; }
.flow-step p { margin-top: .5rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.7; }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
.about-figure { position: relative; }
.about-figure img { border-radius: var(--radius); box-shadow: var(--shadow-lift); aspect-ratio: 4 / 3.4; object-fit: cover; width: 100%; }
.about-figure::before {
  content: ""; position: absolute; inset: 0; transform: translate(16px, 16px);
  border: 1.5px solid var(--bio-dim); border-radius: var(--radius); z-index: -1;
}
.about-badge {
  position: absolute; right: -14px; top: -18px;
  background: var(--card); border-radius: var(--radius-sm); box-shadow: var(--shadow-lift);
  padding: .8rem 1.2rem; display: flex; align-items: center; gap: .7rem;
}
.about-badge b { font-size: 1.5rem; color: var(--bio-deep); line-height: 1; }
.about-badge span { font-size: var(--text-xs); color: var(--ink-soft); line-height: 1.45; }
.about-copy .sec-kicker { justify-content: flex-start; }
.about-copy .sec-kicker::after { display: none; }
.about-copy p { margin-top: 1.4rem; color: var(--ink-soft); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; border-top: 1px solid var(--line); }
.about-stats div { padding: 1.3rem .4rem 0; }
.about-stats div + div { border-left: 1px solid var(--line); padding-left: 1.6rem; }
.about-stats b { display: block; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); font-weight: 800; color: var(--bio-deep); font-variant-numeric: tabular-nums; }
.about-stats span { font-size: var(--text-sm); color: var(--ink-soft); }
.about-copy .btn { margin-top: 2rem; }

/* ---------- FAQ ---------- */
.faq { background: var(--mist); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.faq-item + .faq-item { margin-top: .8rem; }
.faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.05rem 1.4rem; cursor: pointer;
  font-weight: 600; font-size: 1rem; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; flex: none; width: 11px; height: 11px;
  border-right: 2px solid var(--bio); border-bottom: 2px solid var(--bio);
  transform: rotate(45deg); transition: transform var(--dur) var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(225deg); }
.faq-item[open] summary { color: var(--bio-deep); }
.faq-item .faq-a { padding: 0 1.4rem 1.2rem; color: var(--ink-soft); font-size: .95rem; line-height: 1.8; }

/* ---------- CTA 横幅 ---------- */
.cta-band { padding: 0 0 var(--space-section); }
.cta-box {
  position: relative; border-radius: calc(var(--radius) + 6px); overflow: hidden;
  min-height: 380px; display: grid; align-items: center;
  box-shadow: var(--shadow-lift);
}
.cta-box img.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta-veil { position: absolute; inset: 0; background: linear-gradient(95deg, rgba(250, 250, 247, .96) 8%, rgba(250, 250, 247, .82) 44%, rgba(250, 250, 247, .18) 100%); }
.cta-inner { position: relative; z-index: 2; padding: clamp(2.4rem, 1.6rem + 4vw, 4.5rem) clamp(1.6rem, 1rem + 3.5vw, 4rem); max-width: 640px; }
.cta-inner h2 { font-size: var(--text-h2); font-weight: 800; line-height: 1.3; }
.cta-inner h2 em { font-style: normal; color: var(--bio); }
.cta-inner p { margin-top: 1rem; color: var(--ink-soft); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.8rem; }
.cta-phone { display: inline-flex; align-items: center; gap: .6em; font-weight: 700; font-size: 1.05rem; color: var(--bio-deep); }
.cta-phone svg { flex: none; }

/* ---------- footer ---------- */
.site-footer { background: var(--moss); color: rgba(255, 255, 255, .66); font-size: var(--text-sm); }
.foot-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: clamp(1.6rem, 1rem + 2.5vw, 3.2rem); padding: clamp(3rem, 2.4rem + 2.5vw, 4.5rem) 0 2.8rem; }
.foot-brand img { width: 176px; filter: brightness(0) invert(1); }
.foot-brand p { margin-top: 1.2rem; line-height: 1.8; max-width: 26em; }
.foot-col h3 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 1.2rem; padding-bottom: .7rem; position: relative; }
.foot-col h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--gold); border-radius: 2px; }
.foot-col li + li { margin-top: .65rem; }
.foot-col a { transition: color var(--dur), padding-left var(--dur) var(--ease-out); }
.foot-col a:hover { color: #fff; padding-left: 5px; }
.foot-contact li { display: flex; gap: .7rem; line-height: 1.7; }
.foot-contact svg { flex: none; margin-top: .45em; color: var(--gold); }
.foot-contact b { color: #fff; font-weight: 600; margin-right: .4em; }
.foot-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 1.4rem 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem 2rem; font-size: var(--text-xs); color: rgba(255, 255, 255, .45); }
.foot-bottom a:hover { color: #fff; }

/* ---------- to-top / mobile-bar ---------- */
.to-top {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 80;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  display: grid; place-items: center; color: var(--ink);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--dur) var(--ease-out);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--bio); border-color: var(--bio-dim); }
.mobile-bar { display: none; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .plate-card, .cred-grid, .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .plate-item:nth-child(3) { border-left: 0; }
  .plate-item:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .svc-card, .svc-card:nth-child(2n) { grid-column: span 12; }
  .svc-media, .svc-card:nth-child(2n) .svc-media { aspect-ratio: 16 / 7; }
  .about-grid { grid-template-columns: 1fr; }
  .about-figure { max-width: 560px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .topbar-links { display: none; }
  .topbar .wrap { justify-content: center; }
  .site-nav, .head-cta { display: none; }
  .head-inner { min-height: 64px; justify-content: space-between; }
  .brand img { width: 146px; }
  .nav-toggle {
    display: grid; place-items: center; width: 42px; height: 42px;
    border-radius: 10px; border: 1px solid var(--line); background: var(--card);
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: ""; display: block; width: 18px; height: 2px; border-radius: 2px;
    background: var(--ink); transition: transform var(--dur) var(--ease-out), opacity var(--dur);
  }
  .nav-toggle span::before, .nav-toggle span::after { content: ""; position: relative; }
  .nav-toggle span { position: relative; }
  .nav-toggle span::before { position: absolute; top: -6px; left: 0; }
  .nav-toggle span::after { position: absolute; top: 6px; left: 0; }

  /* hero 移动端回浅渐变 */
  .hero-slide { display: none; }
  .hero-veil { background: linear-gradient(180deg, #F1F8F3 0%, #FAFAF7 90%); }
  .hero-inner { min-height: auto; padding: 4.2rem 0 5.5rem; }
  .hero h1 { max-width: 9em; }
  .hero-actions .btn { flex: 1; }
  .hero-tabs { flex-wrap: wrap; }

  .plate-card { grid-template-columns: 1fr 1fr; box-shadow: var(--shadow-soft); }
  .plate-item { padding: 1.2rem 1rem; }
  .cred-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .flow-step { padding-top: 1.2rem; }
  .about-stats div + div { padding-left: 1rem; }
  .foot-top { grid-template-columns: 1fr; gap: 2rem; }
  .foot-bottom { justify-content: center; text-align: center; }

  /* 底部三键操作条 */
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr 1fr; position: fixed; inset: auto 0 0 0; z-index: 85;
    background: var(--card); border-top: 1px solid var(--line);
    box-shadow: 0 -8px 30px rgba(14, 60, 45, .1);
  }
  .mobile-bar a {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: .55rem 0 calc(.55rem + env(safe-area-inset-bottom, 0px));
    font-size: var(--text-xs); color: var(--ink-soft);
  }
  .mobile-bar svg { color: var(--bio); }
  .mobile-bar .mb-cta { color: #fff; background: var(--bio); font-weight: 600; }
  .mobile-bar .mb-cta svg { color: #fff; }
  body { padding-bottom: 62px; }
  .to-top { bottom: 78px; right: .9rem; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .hero-slide { display: none; }
  .hero-veil { background: linear-gradient(180deg, #F1F8F3 0%, #FAFAF7 90%); }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   内页版式(list / article / about / honor)
   ============================================================ */

/* 内页 banner */
.pb-banner { background: linear-gradient(180deg, #F1F8F3 0%, var(--paper) 100%); padding: clamp(2.6rem, 2rem + 2.5vw, 4.2rem) 0 0; }
.pb-banner .wrap { max-width: 900px; }
.crumb { font-size: var(--text-xs); color: var(--ink-faint); }
.crumb a:hover { color: var(--bio); }
.crumb span { margin: 0 .45em; }
.pb-banner h1 { font-size: clamp(1.8rem, 1.4rem + 1.8vw, 2.6rem); font-weight: 800; line-height: 1.3; margin-top: .9rem; }
.pb-sub { margin-top: .7rem; color: var(--ink-soft); max-width: 40em; }

/* 列表页 */
.item-list { max-width: 900px; }
.item-row {
  display: flex; align-items: center; gap: 1.4rem;
  padding: 1.15rem .4rem; border-bottom: 1px solid var(--line);
  transition: background var(--dur), padding var(--dur) var(--ease-out);
}
.item-row:hover { background: var(--card); padding-left: 1rem; padding-right: 1rem; box-shadow: var(--shadow-soft); border-radius: var(--radius-sm); border-bottom-color: transparent; }
.item-date { flex: none; text-align: center; line-height: 1.25; color: var(--ink-faint); font-size: var(--text-xs); width: 4.2em; }
.item-date b { display: block; font-size: 1.3rem; color: var(--bio-deep); font-variant-numeric: tabular-nums; }
.item-main { min-width: 0; }
.item-main h2 { font-size: 1.05rem; font-weight: 600; line-height: 1.5; }
.item-row:hover .item-main h2 { color: var(--bio-deep); }
.item-main p { margin-top: .25rem; font-size: var(--text-sm); color: var(--ink-soft); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.pager { display: flex; justify-content: center; gap: .5rem; margin-top: 2.4rem; }
.pager a, .pager span {
  min-width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 50%; font-size: var(--text-sm); color: var(--ink-soft);
  border: 1px solid var(--line); background: var(--card);
}
.pager .cur { background: var(--bio); border-color: var(--bio); color: #fff; }
.pager a:hover { border-color: var(--bio); color: var(--bio-deep); }

/* 文章页 */
.article-wrap { max-width: 820px; }
.art-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); font-size: var(--text-sm); color: var(--ink-faint); }
.art-body { font-size: 1.02rem; line-height: 1.95; color: #2A362F; }
.art-body p { margin: 1.1em 0; }
.art-body h2 { margin: 2em 0 .8em; font-size: 1.35rem; font-weight: 700; padding-left: .8em; border-left: 4px solid var(--bio); line-height: 1.4; }
.art-body h3 { margin: 1.6em 0 .6em; font-size: 1.12rem; font-weight: 700; color: var(--bio-deep); }
.art-body ul, .art-body ol { margin: 1em 0; padding-left: 1.4em; }
.art-body li { margin: .4em 0; }
.art-body ul li::marker { color: var(--bio); }
.art-body strong { color: var(--bio-deep); }
.art-note { margin-top: 2.4rem; padding: 1.1rem 1.4rem; background: var(--mist); border-radius: var(--radius-sm); font-size: var(--text-sm); color: var(--ink-soft); }
.art-note a { color: var(--bio-deep); font-weight: 600; }
.art-pn { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; border-top: 1px solid var(--line); padding-top: 1.2rem; font-size: var(--text-sm); }
.art-pn a { color: var(--ink-soft); }
.art-pn a:hover { color: var(--bio-deep); }

/* 文章内表格 */
.art-table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: var(--text-sm); background: var(--card); border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow-soft); }
.art-table th { background: var(--mist); color: var(--bio-deep); font-weight: 700; text-align: left; }
.art-table th, .art-table td { padding: .7rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.6; }
.art-table tr:last-child td { border-bottom: 0; }
.art-table td:first-child { font-weight: 600; white-space: nowrap; color: var(--ink); }

/* 资质墙 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
.cert-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem; box-shadow: var(--shadow-soft); min-width: 0;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.cert-card img { width: 100%; height: auto; border-radius: var(--radius-sm); }
.cert-cap { margin-top: .9rem; text-align: center; font-size: var(--text-sm); font-weight: 600; color: var(--ink); }
.cert-cap small { display: block; font-weight: 400; color: var(--ink-faint); font-size: .72rem; letter-spacing: .14em; margin-top: .15rem; }

/* 检测方针大字(about 用) */
.motto {
  margin: 3rem 0; padding: clamp(1.8rem, 1.2rem + 3vw, 3rem) 0;
  text-align: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.motto b { font-size: clamp(1.6rem, 1.2rem + 2.2vw, 2.4rem); font-weight: 800; color: var(--bio-deep); letter-spacing: .06em; }
.motto i { font-style: normal; color: var(--gold); margin: 0 .55em; }

@media (max-width: 768px) {
  .item-row { gap: 1rem; padding-left: 0; padding-right: 0; }
  .item-row:hover { padding-left: .8rem; padding-right: .8rem; }
  .item-main p { display: none; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .art-pn { flex-direction: column; }
}

/* ============================================================
   内页左右结构(侧栏 + 内容列)
   ============================================================ */
.page-layout { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: var(--gutter); align-items: start; }

/* 侧栏卡片 */
.aside-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.aside-card + .aside-card { margin-top: var(--gutter); }
.aside-title {
  display: flex; align-items: center; gap: .6rem;
  padding: .95rem 1.25rem; border-bottom: 1px solid var(--line);
  font-size: 1.02rem; font-weight: 700;
}
.aside-title::before { content: ""; width: 8px; height: 8px; background: var(--bio); border-radius: 2px; transform: rotate(45deg); flex: none; }
.aside-title small { margin-left: auto; font-size: .66rem; font-weight: 600; letter-spacing: .18em; color: var(--ink-faint); text-transform: uppercase; }

.aside-nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: .78rem 1.25rem; font-size: .94rem; color: var(--ink-soft);
  border-bottom: 1px solid var(--line); transition: all var(--dur-fast) var(--ease-out);
}
.aside-nav li:last-child a { border-bottom: 0; }
.aside-nav a::after { content: "›"; color: var(--ink-faint); }
.aside-nav a:hover, .aside-nav a.on { background: var(--mist); color: var(--bio-deep); padding-left: 1.5rem; }
.aside-nav a.on { font-weight: 600; }

.aside-hot { padding: .55rem 1.25rem .8rem; }
.aside-hot a { display: flex; gap: .65rem; padding: .5rem 0; font-size: .88rem; color: var(--ink-soft); line-height: 1.5; }
.aside-hot a:hover { color: var(--bio-deep); }
.aside-hot i { flex: none; font-style: normal; width: 1.5em; height: 1.5em; display: grid; place-items: center; border-radius: 6px; background: var(--mist); color: var(--bio-deep); font-size: .72rem; font-weight: 700; }
.aside-hot a:first-child i { background: var(--bio); color: #fff; }

.aside-contact { background: var(--moss); color: rgba(255, 255, 255, .82); border: 0; }
.aside-contact .aside-title { color: #fff; border-bottom-color: rgba(255, 255, 255, .12); }
.aside-contact .aside-title small { color: rgba(255, 255, 255, .4); }
.aside-contact-body { padding: 1.15rem 1.25rem 1.35rem; }
.aside-contact-body label { font-size: var(--text-xs); color: rgba(255, 255, 255, .5); }
.aside-contact-body strong { display: block; font-size: 1.3rem; color: #fff; letter-spacing: .02em; margin: .1rem 0 .9rem; }
.aside-contact-body p { font-size: var(--text-xs); line-height: 1.7; margin: .7rem 0 0; padding-top: .7rem; border-top: 1px solid rgba(255, 255, 255, .1); }
.aside-contact-body .btn { width: 100%; margin-top: 1rem; }

/* 内容列首段说明 + 文章大标题 */
.col-lead { color: var(--ink-soft); font-size: var(--text-sm); margin: 0 0 1.2rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.art-title { font-size: clamp(1.4rem, 1.1rem + 1.5vw, 1.9rem); font-weight: 800; line-height: 1.45; margin: 0; }

/* 内容列头(栏目标题条) */
.col-head {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .85rem 1.35rem; margin-bottom: 1.5rem; box-shadow: var(--shadow-soft);
}
.col-head h1, .col-head h2 { font-size: 1.22rem; font-weight: 700; }
.col-head .crumb { flex: none; }
.col-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 1rem + 2vw, 2.4rem); box-shadow: var(--shadow-soft); }
.col-body .item-list { max-width: none; }
.col-body .art-meta { padding-top: 0; margin-bottom: .4rem; }

@media (max-width: 1024px) {
  .page-layout { grid-template-columns: 1fr; }
  .aside-card + .aside-card { margin-top: 0; }
  .aside-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); margin-bottom: var(--gutter); }
}
@media (max-width: 768px) {
  .aside-wrap { grid-template-columns: 1fr; order: 1; margin-top: 0; margin-bottom: 0; }
  .page-main { order: -1; }
  .col-head { flex-direction: column; align-items: flex-start; gap: .3rem; }
}

/* ============================================================
   关于我们 / 荣誉资质 页(参考 bjh 丰富版式,白瓷体系)
   ============================================================ */

/* ---------- 子页 hero ---------- */
.ab-hero { position: relative; overflow: hidden; background: #F1F8F3; }
.ab-hero-bg { position: absolute; inset: 0; }
.ab-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.ab-hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(250,250,247,.96) 0%, rgba(250,250,247,.86) 42%, rgba(250,250,247,.5) 74%, rgba(250,250,247,.22) 100%),
              linear-gradient(180deg, rgba(250,250,247,.4) 0%, rgba(250,250,247,0) 30%, rgba(250,250,247,.5) 100%);
}
.ab-hero-inner { position: relative; z-index: 2; padding: clamp(3.4rem, 2.4rem + 4vw, 6rem) 0 clamp(2.6rem, 2rem + 2.5vw, 4rem); }
.ab-hero-inner h1 { margin-top: 1.1rem; font-size: clamp(2rem, 1.3rem + 3.6vw, 3.4rem); font-weight: 800; line-height: 1.2; max-width: 14em; }
.ab-hero-sub { margin-top: 1rem; max-width: 36em; color: var(--ink-soft); font-size: var(--text-md); }
.ab-hero-crumb { margin-top: 1.6rem; font-size: var(--text-sm); }

/* ---------- 深绿数据带 ---------- */
.ab-stats {
  background: linear-gradient(120deg, var(--moss) 0%, #0E362B 58%, var(--bio-deep) 100%);
  color: #fff; position: relative; overflow: hidden;
}
.ab-stats::before {
  content: ""; position: absolute; right: -120px; top: -160px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(201,162,90,.22) 0%, transparent 65%); pointer-events: none;
}
.ab-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: clamp(1.8rem, 1.2rem + 2vw, 3rem) 0; }
.ab-stat { text-align: center; padding: .4rem .6rem; }
.ab-stat + .ab-stat { border-left: 1px solid rgba(255,255,255,.14); }
.ab-stat b { display: block; font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.9rem); font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.ab-stat b small { font-size: .5em; font-weight: 600; color: var(--gold); margin-left: .15em; }
.ab-stat span { display: block; margin-top: .3rem; font-size: var(--text-sm); color: rgba(255,255,255,.72); }

/* ---------- 简介(01 PROFILE) ---------- */
.ab-profile { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.6rem, 1rem + 3vw, 3.4rem); align-items: center; }
.ab-profile-copy > p { color: #2A362F; line-height: 1.95; margin: 0 0 1.1em; }
.ab-profile-points { margin-top: 1.4rem; display: grid; gap: .7rem; }
.ab-profile-points li { display: flex; gap: .65rem; align-items: baseline; font-size: var(--text-sm); color: var(--ink); }
.ab-profile-points li::before { content: ""; flex: none; width: 18px; height: 18px; border-radius: 50%; background: var(--bio-soft); position: relative; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E7A5F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E"); background-size: 11px; background-position: center; background-repeat: no-repeat; transform: translateY(3px); }
.ab-photo { position: relative; }
.ab-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lift), 0 0 0 1px var(--line); display: block; }
.ab-photo-badge {
  position: absolute; left: -14px; bottom: 22px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: .8rem 1.1rem; box-shadow: var(--shadow-lift);
}
.ab-photo-badge b { display: block; font-size: 1.55rem; font-weight: 800; color: var(--bio-deep); line-height: 1.1; }
.ab-photo-badge span { font-size: var(--text-xs); color: var(--ink-soft); }
.ab-photo-note { position: absolute; right: -10px; top: -12px; background: var(--gold); color: #fff; font-size: var(--text-xs); font-weight: 600; padding: .38em 1em; border-radius: 999px; box-shadow: 0 6px 18px rgba(201,162,90,.45); }

/* ---------- 发展历程(02 MILESTONES) ---------- */
.ab-timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 0; }
.ab-timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--bio), rgba(14,122,95,.15)); }
.ab-tl-item { position: relative; padding: 0 0 1.9rem 2.4rem; }
.ab-tl-item:last-child { padding-bottom: 0; }
.ab-tl-item::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--card); border: 3px solid var(--bio); box-shadow: 0 0 0 4px rgba(14,122,95,.12);
}
.ab-tl-item time { font-size: .95rem; font-weight: 800; color: var(--bio-deep); font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.ab-tl-item h3 { font-size: 1.05rem; font-weight: 700; margin: .2rem 0 .3rem; }
.ab-tl-item p { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.8; max-width: 40em; }

/* ---------- 实验室实力(03 LABORATORY) ---------- */
.ab-lab { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(1.6rem, 1rem + 3vw, 3.4rem); align-items: center; }
.ab-lab-photos { position: relative; }
.ab-lab-photos .main { width: 100%; aspect-ratio: 16 / 10.5; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lift), 0 0 0 1px var(--line); display: block; }
.ab-lab-photos .sub {
  position: absolute; right: -16px; bottom: -30px; width: 42%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-sm); border: 4px solid var(--card); box-shadow: var(--shadow-lift);
}
.ab-lab-copy p { color: #2A362F; line-height: 1.95; }
.ab-lab-nums { display: flex; flex-wrap: wrap; gap: 1.6rem; margin: 1.3rem 0 1.5rem; }
.ab-lab-nums b { font-size: 1.7rem; font-weight: 800; color: var(--bio-deep); display: block; line-height: 1.15; }
.ab-lab-nums span { font-size: var(--text-sm); color: var(--ink-soft); }

/* ---------- 检测方针(04 PRINCIPLES) ---------- */
.ab-principle { background: var(--mist); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; padding: clamp(2.6rem, 2rem + 3vw, 4.4rem) 0; }
.ab-principle .en { margin-top: .8rem; font-size: var(--text-xs); letter-spacing: .35em; color: var(--gold); text-transform: uppercase; }
.ab-principle p.desc { max-width: 44em; margin: 1.2rem auto 0; color: var(--ink-soft); line-height: 1.9; }

/* ---------- 资质小卡带 ---------- */
.ab-cred-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); }
.ab-cred {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; box-shadow: var(--shadow-soft); transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.ab-cred:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.ab-cred b { display: block; font-size: 1.5rem; font-weight: 800; color: var(--bio-deep); letter-spacing: .04em; }
.ab-cred h3 { font-size: .98rem; font-weight: 700; margin: .5rem 0 .3rem; }
.ab-cred p { font-size: var(--text-xs); color: var(--ink-soft); line-height: 1.7; }
.ab-cred::after { content: "查看证书 →"; display: block; margin-top: .9rem; font-size: var(--text-xs); color: var(--bio); font-weight: 600; }

/* ---------- 全国布局 ---------- */
.ab-loc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
.ab-loc {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.8rem 1.6rem; box-shadow: var(--shadow-soft); overflow: hidden;
}
.ab-loc::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(var(--bio), var(--gold)); }
.ab-loc h3 { font-size: 1.12rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.ab-loc h3 svg { color: var(--bio); flex: none; }
.ab-loc .loc-tag { display: inline-block; margin: .55rem 0 .35rem; font-size: var(--text-xs); color: var(--bio-deep); background: var(--bio-soft); border-radius: 999px; padding: .22em .95em; font-weight: 600; }
.ab-loc address { font-style: normal; font-size: var(--text-sm); color: var(--ink); font-weight: 600; margin: .2rem 0 .5rem; }
.ab-loc p { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.75; }

/* ============================================================
   荣誉资质页专属
   ============================================================ */

/* 核心资质三卡 */
.hv-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
.hv-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem); box-shadow: var(--shadow-soft);
  position: relative; overflow: hidden; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
  display: flex; flex-direction: column;
}
.hv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.hv-card::before { content: ""; position: absolute; right: -70px; top: -70px; width: 190px; height: 190px; border-radius: 50%; background: radial-gradient(circle, rgba(14,122,95,.1) 0%, transparent 70%); }
.hv-letters { font-size: clamp(2.4rem, 1.8rem + 2.5vw, 3.2rem); font-weight: 800; letter-spacing: .05em; background: linear-gradient(120deg, var(--bio) 20%, var(--bio-deep) 80%); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.hv-card h3 { font-size: 1.1rem; font-weight: 700; margin: .8rem 0 .15rem; }
.hv-card .hv-en { font-size: .68rem; letter-spacing: .16em; color: var(--gold); text-transform: uppercase; font-weight: 600; }
.hv-card > p { margin-top: 1rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.85; }
.hv-card ul { margin-top: auto; display: grid; gap: .6rem; border-top: 1px dashed var(--line); padding-top: 1.1rem; }
.hv-card > p { margin-bottom: 1.1rem; }
.hv-card li { display: flex; gap: .55rem; font-size: var(--text-sm); color: var(--ink); line-height: 1.65; }
.hv-card li::before { content: "✓"; flex: none; color: var(--bio); font-weight: 800; }

/* 荣誉墙实拍 */
.hv-film { background: var(--moss); color: #fff; position: relative; overflow: hidden; }
.hv-film::after { content: ""; position: absolute; left: -140px; bottom: -200px; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(201,162,90,.16) 0%, transparent 65%); pointer-events: none; }
.hv-film .sec-kicker { color: var(--gold); }
.hv-film .sec-sub { color: rgba(255,255,255,.66); }
.hv-film-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
.hv-shot { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: 0 18px 44px rgba(0,0,0,.35); transform: translateY(0); transition: transform var(--dur) var(--ease-out); }
.hv-shot:hover { transform: translateY(-6px); }
.hv-shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; }
.hv-shot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1.6rem 1.2rem .95rem;
  background: linear-gradient(transparent, rgba(5,20,15,.88)); font-size: var(--text-sm); font-weight: 600;
}
.hv-shot figcaption small { display: block; font-weight: 400; color: rgba(255,255,255,.68); font-size: .68rem; letter-spacing: .12em; margin-top: .15rem; }

/* 证书墙 + 灯箱 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
.cert-cell {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .85rem .85rem 1rem; box-shadow: var(--shadow-soft); cursor: zoom-in; text-align: center;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.cert-cell:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.cert-cell .frame { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.cert-cell img { width: 100%; aspect-ratio: 534 / 538; object-fit: cover; display: block; }
.cert-cell h3 { margin-top: .95rem; font-size: .95rem; font-weight: 700; }
.cert-cell p { margin-top: .2rem; font-size: var(--text-xs); color: var(--ink-soft); }
.lb { position: fixed; inset: 0; z-index: 2147483000; display: none; place-items: center; background: rgba(10,25,19,.9); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); padding: 4vh 4vw; }
.lb.open { display: grid; }
.lb figure { max-width: min(1100px, 100%); text-align: center; }
.lb img { max-width: 100%; max-height: 82vh; border-radius: var(--radius-sm); box-shadow: 0 30px 80px rgba(0,0,0,.5); background: #fff; padding: 8px; }
.lb figcaption { margin-top: 1rem; color: #fff; font-size: var(--text-sm); }
.lb-close { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; font-size: 1.4rem; cursor: pointer; transition: all var(--dur); }
.lb-close:hover { background: var(--bio); border-color: var(--bio); transform: rotate(90deg); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .ab-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.4rem 0; }
  .ab-stat:nth-child(3) { border-left: 0; }
  .ab-profile, .ab-lab { grid-template-columns: 1fr; }
  .ab-photo-badge { left: 14px; }
  .ab-lab-photos .sub { right: 8px; bottom: -22px; }
  .ab-cred-grid, .hv-cards, .hv-film-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-loc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .ab-hero-veil { background: linear-gradient(180deg, #F1F8F3 0%, rgba(250,250,247,.9) 92%); }
  .ab-hero-inner { padding: 2.8rem 0 3.4rem; }
  .ab-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-stat { border-left: 0 !important; }
  .ab-cred-grid, .hv-cards, .hv-film-grid, .cert-grid { grid-template-columns: 1fr; }
  .ab-lab-photos { margin-bottom: 2rem; }
  .ab-lab-photos .sub { display: none; }
}

/* ---------- honor v2:hero 资质胶囊 + 大证卡 + 十格证书墙(bjh 内容 · 白瓷样式) ---------- */
.ab-hero-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.ab-chip { display: inline-flex; align-items: center; padding: .42rem .95rem; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid rgba(14,122,95,.18); color: var(--bio-deep); font-size: var(--text-xs); font-weight: 600; letter-spacing: .02em; box-shadow: 0 4px 14px rgba(14,60,45,.06); backdrop-filter: blur(4px); }
.ab-chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bio); margin-right: .5rem; }

/* 01 核心资质:证书图 + 文案 左右大卡 */
.hv-items { display: grid; gap: var(--gutter); }
.hv-item { position: relative; display: grid; grid-template-columns: 300px minmax(0,1fr); gap: clamp(1.4rem, 2vw, 2.6rem); align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 2.4vw, 2.4rem); box-shadow: var(--shadow); overflow: hidden; }
.hv-item:nth-child(even) .hv-cert { order: 2; }
.hv-cert { text-align: center; }
.hv-cert-frame { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px; box-shadow: 0 14px 34px rgba(14,60,45,.12); }
.hv-cert-frame img { width: 100%; max-height: 380px; object-fit: contain; display: block; }
.hv-cert figcaption { margin-top: .8rem; font-size: var(--text-xs); letter-spacing: .12em; color: var(--ink-faint); }
.hv-copy { position: relative; z-index: 1; }
.hv-ghost { position: absolute; right: -.3em; top: -.42em; font-size: clamp(4rem, 3rem + 4vw, 7.5rem); font-weight: 800; letter-spacing: .02em; color: var(--soft); line-height: 1; z-index: -1; user-select: none; }
.hv-emblem { display: inline-flex; align-items: baseline; gap: .5rem; }
.hv-emblem b { font-size: 1.5rem; font-weight: 800; letter-spacing: .04em; background: linear-gradient(120deg, var(--bio) 20%, var(--bio-deep) 80%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hv-emblem span { font-size: var(--text-xs); color: var(--ink-faint); letter-spacing: .1em; }
.hv-copy h3 { font-size: var(--text-h3); font-weight: 700; margin: .35rem 0 .2rem; }
.hv-copy .hv-en { font-size: .68rem; letter-spacing: .16em; color: var(--gold); text-transform: uppercase; font-weight: 600; }
.hv-copy > p:not(.hv-en):not(.hv-emblem) { margin-top: 1rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.9; }
.hv-copy ul { margin-top: 1.1rem; display: grid; gap: .55rem; border-top: 1px dashed var(--line); padding-top: 1.1rem; }
.hv-copy li { display: flex; gap: .55rem; font-size: var(--text-sm); color: var(--ink); line-height: 1.65; }
.hv-copy li::before { content: "✓"; flex: none; color: var(--bio); font-weight: 800; }

/* 02 荣誉证书墙:十格 */
.hw-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: calc(var(--gutter) * .72); }
.hw-cell { position: relative; display: flex; flex-direction: column; gap: .8rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px; cursor: pointer; text-align: left; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out); }
.hw-cell:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.hw-thumb { position: relative; aspect-ratio: 4 / 3; background: #fff; border: 1px solid var(--line); border-radius: calc(var(--radius-sm) - 4px); overflow: hidden; }
.hw-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; padding: 6px; box-sizing: border-box; }
.hw-meta { display: flex; align-items: baseline; gap: .5rem; padding: 0 .2rem .3rem; }
.hw-meta i { font-style: normal; font-size: .72rem; font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; }
.hw-meta b { font-size: var(--text-xs); font-weight: 600; color: var(--ink); line-height: 1.5; }

/* 灯箱:上一张/下一张 + 计数 */
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; font-size: 1.7rem; line-height: 1; cursor: pointer; transition: all var(--dur); }
.lb-nav:hover { background: var(--bio); border-color: var(--bio); }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }
.lb figcaption { display: flex; justify-content: center; align-items: baseline; gap: 1rem; }
#lbCount { font-size: var(--text-xs); color: rgba(255,255,255,.6); font-variant-numeric: tabular-nums; }

@media (max-width: 1024px) {
  .hv-item { grid-template-columns: 240px minmax(0,1fr); }
  .hw-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .hv-item { grid-template-columns: 1fr; }
  .hv-item:nth-child(even) .hv-cert { order: 0; }
  .hv-cert-frame img { max-height: 300px; }
  .hw-grid { grid-template-columns: repeat(2, 1fr); }
  .lb-nav { width: 40px; height: 40px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}