/* ============================================================
   中析检测 · 官网公共样式
   纯本地资源：系统字体栈 + CSS 渐变 + 内联 SVG，无任何外部依赖
   ============================================================ */

/* ---------- 0. 字体：HarmonyOS Sans（本地字体文件） ---------- */
/* 简体中文 */
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Light.ttf") format("truetype"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Medium.ttf") format("truetype"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Semibold.ttf") format("truetype"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Bold.ttf") format("truetype"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans SC"; src: url("../HarmonyOS Sans/HarmonyOS_SansSC_Black.ttf") format("truetype"); font-weight: 800; font-style: normal; font-display: swap; }
/* 拉丁字符集（数字/英文优先命中，渲染更细腻） */
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Light.ttf") format("truetype"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Medium.ttf") format("truetype"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Semibold.ttf") format("truetype"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Bold.ttf") format("truetype"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "HarmonyOS Sans"; src: url("../HarmonyOS Sans/HarmonyOS_Sans_Black.ttf") format("truetype"); font-weight: 800; font-style: normal; font-display: swap; }

/* ---------- 1. 设计变量 ---------- */
:root {
  --primary-900: #355386;
  --primary-800: #3e68a0;
  --primary-700: #3e68a0;
  --primary-600: #5091c0;
  --primary-500: #5091c0;
  --accent: #ef8837;
  --accent-dark: #ef8837;
  --accent-light: #efb34b;
  --bg-page: #0d1524;
  --bg-card: #141f33;
  --text-1: #e8eff8;
  --text-2: #b3c3d9;
  --text-3: #7c90aa;
  --line: rgba(148, 210, 239, .16);
  --shadow-sm: 0 1px 3px rgba(53, 83, 134, .10);
  --shadow-md: 0 2px 10px rgba(53, 83, 134, .12);
  --shadow-lg: 5px 5px 0 rgba(53, 83, 134, .14);
  --radius: 3px;
  --radius-lg: 5px;
  --nav-h: 76px;
  --container: 1200px;
  --font-sans: "HarmonyOS Sans", "HarmonyOS Sans SC", "HarmonyOS Sans TC",
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --font-serif: "HarmonyOS Sans", "HarmonyOS Sans SC", "HarmonyOS Sans TC", sans-serif;
  --shadow-hard: 4px 4px 0 rgba(53, 83, 134, .14);
}

/* ---------- 2. 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-1);
  background: var(--bg-page);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

img, svg { display: block; max-width: 100%; }
:where(img[width][height]) { height: auto; }

a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: var(--primary-600); color: #fff; }

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

/* ---------- 3. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 2px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #efb34b, #ef8837);
  box-shadow: 0 8px 24px rgba(239, 136, 55, .28);
}
.btn-primary:hover { background: linear-gradient(135deg, #efb34b, #ef8837); box-shadow: 0 12px 26px rgba(239, 136, 55, .45); }

.btn-ghost {
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, .06);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .14); }

.btn-outline {
  color: #94d2ef;
  border: 1.5px solid var(--primary-600);
  background: transparent;
}
.btn-outline:hover { background: var(--primary-600); color: #fff; }

/* 区块标题 */
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: "";
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  opacity: .6;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.3;
  font-weight: 800;
  color: #bcddea;
  letter-spacing: .01em;
}
.section-desc { margin-top: 14px; color: var(--text-2); font-size: 16.5px; }

/* 卡片 */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

/* 面包屑 */
.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
}
.crumbs a { color: rgba(255, 255, 255, .82); }
.crumbs a:hover { color: #fff; }
.crumbs .sep { opacity: .5; }
.crumbs .current { color: #fff; font-weight: 600; }

/* 页面内页头 */
.page-hero {
  position: relative;
  padding: 120px 0 72px;
  background:
    radial-gradient(1100px 420px at 82% -60%, rgba(239, 136, 55, .35), transparent 60%),
    linear-gradient(128deg, var(--primary-900) 0%, var(--primary-700) 68%, var(--primary-600) 100%);
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(720px 320px at 24% 118%, #000 30%, transparent 75%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 800;
  letter-spacing: .02em;
}
.page-hero p { margin-top: 12px; max-width: 640px; color: rgba(255,255,255,.82); font-size: 17px; }
.page-hero .crumbs { margin-top: 26px; }

/* ---------- 4. 顶部信息条 + 导航 ---------- */
.topbar {
  background: var(--primary-900);
  color: rgba(255, 255, 255, .85);
  font-size: 13px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 18px; }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar a:hover { color: #fff; }
.topbar .hotline { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: #fff; }
.topbar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(239,136,55,.25); }

.site-header {
    position: -webkit-sticky;
    position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 17, 29, .88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(0, 0, 0, .35); }

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { width: 46px; height: 46px; }
.brand-logo-img { display: block; height: 44px; width: auto; filter: brightness(0) invert(1); }
.brand-name { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name .cn { font-size: 21px; font-weight: 800; color: #bcddea; letter-spacing: .04em; }
.brand-name .en { font-size: 10.5px; color: var(--text-3); letter-spacing: .14em; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu a {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-1);
  border-radius: 3px;
  white-space: nowrap;
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  width: 0; height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent));
  transform: translateX(-50%);
  transition: width .3s var(--ease);
}
.nav-menu a:hover { color: #94d2ef; }
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 26px; }
.nav-menu a.active { color: #94d2ef; }

.nav-cta { flex-shrink: 0; }
.nav-cta .btn { padding: 10px 22px; font-size: 15px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--primary-800);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Hero（首页） ---------- */
.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
img.hero-bg-video { object-position: center; }
.hero-bg-mask {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(13, 21, 36, .78), rgba(13, 21, 36, .62) 45%, rgba(13, 21, 36, .86));
}
.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100dvh - 110px);
  display: flex;
  align-items: center;
  padding: 72px 0 96px;
  background:
    radial-gradient(900px 500px at 88% 8%, rgba(239, 136, 55, .28), transparent 62%),
    radial-gradient(700px 420px at 4% 96%, rgba(93, 155, 205, .25), transparent 60%),
    linear-gradient(126deg, var(--primary-900) 0%, var(--primary-800) 52%, var(--primary-700) 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(860px 480px at 30% 40%, #000 20%, transparent 80%);
    mask-image: radial-gradient(860px 480px at 30% 40%, #000 20%, transparent 80%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 48px;
}
.hero-grid > * { min-width: 0; } /* 防止不换行内容撑破栅格导致横向溢出 */
.hero-cred-icons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}
.hero-cred-icons img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  opacity: .9;
  filter: brightness(0) invert(1);
  transition: opacity .25s var(--ease);
}
.hero-cred-icons img:hover { opacity: 1; }
@media (max-width: 768px) {
  .hero-cred-icons img { width: 24px; height: 24px; }
}
.topbar-cred-icons {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: 12px;
  vertical-align: middle;
}
.topbar-cred-icons img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  opacity: .85;
  filter: brightness(0) invert(1);
  transition: opacity .25s var(--ease);
}
.topbar-cred-icons img:hover { opacity: 1; }
@media (max-width: 1080px) {
  .topbar-cred-icons { display: none; }
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 100%;
  padding: 8px 18px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .08);
  font-size: 14px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .9);
}
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(239,136,55,.3); }

.hero h1 {
  margin-top: 26px;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: .02em;
}
.hero h1 .grad {
  background: linear-gradient(92deg, #58d6d5 0%, #94d2ef 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 22px;
  max-width: 560px;
  font-size: 17.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .82);
}
.hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero-badges {
  margin-top: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .85);
}
.hero-badges span { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hero-badges svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }

.hero-visual { position: relative; z-index: 2; }
.hero-visual .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  opacity: .5;
  pointer-events: none;
}
.hero-visual .orb-1 { width: 130px; height: 130px; top: -34px; right: 8%; background: radial-gradient(circle at 32% 30%, #3fd0cf, #ef8837 70%); animation: float 7s ease-in-out infinite; }
.hero-visual .orb-2 { width: 74px; height: 74px; bottom: 4%; left: -6px; background: radial-gradient(circle at 30% 30%, #94d2ef, #5091c0 72%); animation: float 9s ease-in-out infinite reverse; }

.hero-card-wrap {
  position: relative;
  border-radius: 16px;
  padding: 0;
  background: none;
  box-shadow: none;
}
.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  background: linear-gradient(168deg, rgba(16, 28, 48, .55), rgba(10, 19, 34, .68));
  padding: 26px 26px 22px;
}
.hero-card::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), #94d2ef 70%, transparent);
}
.hero-card-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(148, 210, 239, .16);
}
.hero-card-head h3 { font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ef8837;
  box-shadow: 0 0 0 0 rgba(239, 136, 55, .5);
  animation: livePulse 2s infinite;
  flex-shrink: 0;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 136, 55, .55); }
  70% { box-shadow: 0 0 0 8px rgba(239, 136, 55, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 136, 55, 0); }
}
.live-tag {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: rgba(148, 210, 239, .85);
  padding: 3px 9px;
  border: 1px solid rgba(148, 210, 239, .3);
  border-radius: 999px;
  background: rgba(148, 210, 239, .08);
}

.hero-lab-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 14px;
}
.hero-lab {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 9px;
  background: rgba(148, 210, 239, .06);
  border: 1px solid rgba(148, 210, 239, .1);
  transition: background .3s var(--ease), border-color .3s var(--ease);
  min-width: 0;
}
.hero-lab:hover { background: rgba(148, 210, 239, .12); border-color: rgba(148, 210, 239, .26); }
.lab-name {
  flex-shrink: 0;
  font-size: 13.5px;
  font-weight: 700;
  color: #94d2ef;
  white-space: nowrap;
}
.lab-desc {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-caption {
  margin: 14px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
  letter-spacing: .06em;
}
.hero-cert-icons {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 6px 8px;
  border-radius: 9px;
  background: rgba(239, 136, 55, .07);
  border: 1px solid rgba(239, 179, 75, .22);
}
.cert-badge img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.cert-badge span {
  font-size: 10.5px;
  color: rgba(255, 255, 255, .62);
  text-align: center;
  line-height: 1.3;
}

@media (max-width: 768px) {
  .hero-lab { flex-direction: column; gap: 2px; align-items: flex-start; padding: 8px 11px; }
  .lab-desc { white-space: normal; }
  .hero-cert-icons { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .cert-badge img { width: 28px; height: 28px; }
  .cert-badge span { font-size: 9.5px; }
}
  50% { transform: translateY(-16px); }
}

/* ---------- 6. 首页：数据条 ---------- */
.stats-band { margin-top: -46px; position: relative; z-index: 5; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat-item {
  padding: 34px 20px;
  text-align: center;
  position: relative;
}
.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0; top: 28%;
  height: 44%;
  width: 1px;
  background: var(--line);
}
.stat-num {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 800;
  color: #94d2ef;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  white-space: nowrap;
}
.stat-num i { font-style: normal; font-size: .5em; font-weight: 700; margin-left: 2px; color: var(--accent-dark); }
.stat-label { margin-top: 6px; font-size: 15px; color: var(--text-2); }

/* ---------- 7. 首页：服务概览 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  padding: 34px 30px 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  width: 62px; height: 62px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .12), rgba(239, 136, 55, .14));
  color: #94d2ef;
  margin-bottom: 20px;
  transition: transform .35s var(--ease), background .35s var(--ease);
}
.service-card:hover .service-icon { transform: scale(1.08) rotate(-4deg); background: linear-gradient(140deg, var(--primary-600), var(--accent)); color: #fff; }
.service-icon svg { width: 32px; height: 32px; }
.service-card h3 { font-size: 20px; font-weight: 700; color: #bcddea; }
.service-card p { margin-top: 10px; font-size: 14.5px; color: var(--text-2); flex: 1; }
.service-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags em {
  font-style: normal;
  font-size: 12.5px;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--bg-page);
  border: 1px solid var(--line);
  color: var(--text-2);
}
.service-more {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 700;
  color: #94d2ef;
}
.service-more svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.service-card:hover .service-more svg { transform: translateX(4px); }

/* ---------- 7b. 首页：检测服务介绍 + 20 领域 ---------- */
.svc-intro-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 44px;
  align-items: start;
  background: rgba(20, 31, 51, .55);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px;
}
.svc-intro .section-title { font-size: 30px; margin: 14px 0 16px; }
.svc-intro > p { font-size: 15px; color: var(--text-2); }
.svc-intro-points { margin-top: 22px; display: flex; flex-direction: column; gap: 16px; }
.svc-intro-points li { display: flex; flex-direction: column; gap: 3px; padding-left: 18px; position: relative; }
.svc-intro-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.svc-intro-points b { font-size: 15.5px; color: #bcddea; }
.svc-intro-points span { font-size: 13px; color: var(--text-3); }
.svc-intro .btn { margin-top: 26px; }
.svc-intro .btn svg { width: 16px; height: 16px; }

.svc-domains {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.domain-card {
  padding: 20px 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 0;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.domain-card:hover {
  transform: translateY(-5px);
  border-color: rgba(148, 210, 239, .4);
  box-shadow: var(--shadow-md);
}
.domain-icon {
  width: 42px; height: 42px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .12), rgba(239, 136, 55, .14));
  color: #94d2ef;
  margin-bottom: 12px;
  transition: background .3s var(--ease), color .3s var(--ease);
}
.domain-card:hover .domain-icon { background: linear-gradient(140deg, var(--primary-600), var(--accent)); color: #fff; }
.domain-icon svg { width: 24px; height: 24px; }
.domain-card h3 { font-size: 15.5px; font-weight: 700; color: #bcddea; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.domain-card p { margin-top: 6px; font-size: 12px; line-height: 1.55; color: var(--text-3); }

@media (max-width: 1280px) {
  .svc-intro-grid { grid-template-columns: 280px 1fr; gap: 32px; }
}
@media (max-width: 1080px) {
  .svc-intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .svc-domains { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .svc-intro-grid { padding: 26px 18px; }
  .svc-domains { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .domain-card { padding: 16px 12px 14px; }
  .domain-card p { display: none; }
  .domain-icon { width: 36px; height: 36px; margin-bottom: 8px; }
  .domain-icon svg { width: 20px; height: 20px; }
  .svc-intro .btn { width: 100%; }
}
@media (max-width: 420px) {
  .svc-domains { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 7e. 首页：最新检测动态（纯标题列表） ---------- */
.latest-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(6, auto);
  grid-auto-flow: column;
  column-gap: 16px;
  align-content: start;
}
.latest-item { min-width: 0; }
.latest-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  height: 100%;
  box-sizing: border-box;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.latest-item a:hover {
  border-color: rgba(148, 210, 239, .4);
  background: rgba(80, 145, 192, .08);
  transform: translateX(6px);
}
.latest-item time {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}
.latest-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: #efb34b;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(239, 179, 75, .38);
  background: rgba(239, 136, 55, .08);
}
.latest-item h3 {
  flex: 1;
  min-width: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: #cfe3ef;
  line-height: 1.55;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .25s var(--ease);
}
.latest-item a:hover h3 { color: #94d2ef; }
.latest-arrow { flex-shrink: 0; color: var(--text-3); transition: color .25s var(--ease), transform .25s var(--ease); }
.latest-arrow svg { width: 16px; height: 16px; display: block; }
.latest-item a:hover .latest-arrow { color: #ef8837; transform: translateX(3px); }
.latest-more { margin-top: 24px; text-align: center; }
.latest-more .btn svg { width: 16px; height: 16px; }

@media (max-width: 1080px) {
  .latest-list { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
}
@media (max-width: 768px) {
  .latest-item a { flex-wrap: wrap; gap: 8px 12px; padding: 14px 16px; }
  .latest-item h3 { white-space: normal; font-size: 14.5px; flex-basis: 100%; order: 3; }
  .latest-item time { font-size: 12px; }
  .latest-arrow { display: none; }
}

/* ---------- 7c. 首页：关于我们 ---------- */
.home-about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.home-about-figure { position: relative; }
.home-about-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .4);
}
.home-about-badge {
  position: absolute;
  right: -14px;
  bottom: 26px;
  background: linear-gradient(135deg, #efb34b, #ef8837);
  color: #fff;
  border-radius: 8px;
  padding: 14px 20px;
  box-shadow: 0 10px 26px rgba(239, 136, 55, .35);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.home-about-badge b { font-size: 26px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.home-about-badge span { font-size: 12.5px; opacity: .92; }
.home-about-text .section-title { font-size: 30px; margin: 14px 0 16px; }
.home-about-text > p { font-size: 15px; color: var(--text-2); }
.home-about-text > p + p { margin-top: 10px; }
.home-about-stats {
  margin: 26px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 20px 22px;
  background: rgba(20, 31, 51, .55);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.has-item { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.has-item b { font-size: 26px; font-weight: 800; color: #94d2ef; line-height: 1.1; font-variant-numeric: tabular-nums; }
.has-item b i { font-style: normal; font-size: .5em; margin-left: 1px; color: #ef8837; }
.has-item span { font-size: 12.5px; color: var(--text-3); }
.home-about-text .btn svg { width: 16px; height: 16px; }

@media (max-width: 1080px) {
  .home-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .home-about-figure img { height: 340px; }
}
@media (max-width: 768px) {
  .home-about-grid { gap: 32px; }
  .home-about-figure img { height: 240px; }
  .home-about-badge { right: 10px; bottom: -16px; }
  .home-about-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .home-about-text .btn { width: 100%; }
}

/* ---------- 7d. 首页：六大检测领域快捷入口 ---------- */
.fields-band { margin-top: -44px; position: relative; z-index: 5; }
.fields-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
}
.field-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 28px 16px 24px;
  min-width: 0;
  overflow: hidden;
  background: linear-gradient(165deg, rgba(80, 145, 192, .14), rgba(20, 31, 51, .9) 55%);
  border: 1px solid rgba(148, 210, 239, .22);
  border-radius: 14px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, .38);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.field-card::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.field-card:hover {
  transform: translateY(-8px);
  border-color: rgba(148, 210, 239, .45);
  box-shadow: 0 26px 44px rgba(0, 0, 0, .5), 0 0 0 1px rgba(148, 210, 239, .12), 0 14px 44px rgba(80, 145, 192, .22);
}
.field-card:hover::before { transform: scaleX(1); }
.field-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .16), rgba(239, 136, 55, .18));
  border: 1px solid rgba(148, 210, 239, .18);
  color: #94d2ef;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
}
.field-card:hover .field-icon {
  transform: scale(1.1) rotate(-4deg);
  background: linear-gradient(140deg, var(--primary-600), var(--accent));
  color: #fff;
  box-shadow: 0 8px 22px rgba(239, 136, 55, .35);
}
.field-icon svg { width: 27px; height: 27px; }
.field-name {
  min-width: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: #cfe3ef;
  line-height: 1.5;
  letter-spacing: .02em;
}
.field-arrow { color: var(--text-3); margin-top: -4px; transition: color .3s var(--ease), transform .3s var(--ease); }
.field-arrow svg { width: 17px; height: 17px; }
.field-card:hover .field-arrow { color: #ef8837; transform: translateX(4px); }

@media (max-width: 1080px) {
  .fields-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .fields-band { margin-top: -24px; }
  .field-card { flex-direction: row; text-align: left; justify-content: flex-start; padding: 18px 18px; }
  .field-icon { width: 44px; height: 44px; border-radius: 10px; }
  .field-icon svg { width: 23px; height: 23px; }
  .field-arrow { margin-top: 0; }
}
@media (max-width: 768px) {
  .fields-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .fields-band { margin-top: -16px; }
  .field-card { padding: 15px 13px; gap: 9px; }
  .field-icon { width: 36px; height: 36px; border-radius: 9px; }
  .field-icon svg { width: 20px; height: 20px; }
  .field-name { font-size: 13.5px; }
  .field-arrow { display: none; }
}

/* ---------- 8. 首页：为什么选择我们 ---------- */
.why-section { background: var(--bg-card); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-item {
  padding: 36px 26px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--bg-page);
  border: 1px solid var(--line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.why-item:hover {
  transform: translateY(-6px);
  border-color: rgba(80, 145, 192, .35);
  box-shadow: var(--shadow-md);
  background: var(--bg-card);
}
.why-num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--accent-dark);
  margin-bottom: 14px;
  display: block;
}
.why-item h3 { font-size: 19px; font-weight: 700; color: #bcddea; }
.why-item p { margin-top: 10px; font-size: 14.5px; color: var(--text-2); }

/* ---------- 9. 首页：检测流程 ---------- */
.flow-band {
  background:
    radial-gradient(820px 400px at 90% -10%, rgba(239,136,55,.25), transparent 60%),
    linear-gradient(126deg, var(--primary-900), var(--primary-800));
  color: #fff;
}
.flow-band .section-title { color: #fff; }
.flow-band .section-desc { color: rgba(255,255,255,.72); }
.flow-band .section-eyebrow { color: var(--accent); }

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
.flow-step {
  position: relative;
  padding: 30px 22px 26px;
  text-align: center;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.flow-step:hover { transform: translateY(-6px); background: rgba(255,255,255,.11); }
.flow-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-grid;
  place-items: center;
  width: 46px; height: 46px;
  justify-self: center;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  box-shadow: 0 8px 18px rgba(239, 136, 55, .35);
  margin-bottom: 16px;
}
.flow-step h3 { font-size: 17.5px; font-weight: 700; }
.flow-step p { margin-top: 8px; font-size: 13.5px; line-height: 1.75; color: rgba(255,255,255,.68); }
.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 52px; right: -15px;
  width: 12px; height: 12px;
  border-top: 2px solid rgba(255,255,255,.4);
  border-right: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
}

/* ---------- 10. 首页：新闻 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card { overflow: hidden; display: flex; flex-direction: column; }
.news-cover {
  height: 180px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.9);
}
.news-cover svg { width: 84px; height: 84px; opacity: .9; }
.cover-1 { background: linear-gradient(135deg, #355386, #5091c0 60%, #94d2ef); }
.cover-2 { background: linear-gradient(135deg, #355386, #3e68a0 60%, #ef8837); }
.cover-3 { background: linear-gradient(135deg, #efb34b, #ef8837 55%, #ef8837); }
.news-cover .date-chip {
  position: absolute;
  left: 16px; bottom: 14px;
  padding: 6px 12px;
  border-radius: 3px;
  background: rgba(53, 83, 134, .55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-body .tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: #94d2ef;
  background: rgba(80, 145, 192, .09);
  padding: 3px 10px;
  border-radius: 2px;
}
.news-body h3 {
  margin-top: 12px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s var(--ease);
}
.news-card:hover h3 { color: #94d2ef; }
.news-body p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-body time { margin-top: 14px; font-size: 13px; color: var(--text-3); font-variant-numeric: tabular-nums; }

.center-more { text-align: center; margin-top: 46px; }

/* ---------- 11. 首页：合作客户 ---------- */
.clients-section { background: var(--bg-card); }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.client-chip {
  display: grid;
  place-items: center;
  min-height: 84px;
  padding: 14px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg-page);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: .06em;
  transition: color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}
.client-chip:hover {
  color: #94d2ef;
  border-color: rgba(80, 145, 192, .4);
  background: var(--bg-card);
  transform: translateY(-4px);
}

/* ---------- 12. CTA 条 ---------- */
.cta-band { padding: 76px 0; }
.cta-box {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 54px 56px;
  overflow: hidden;
  background:
    radial-gradient(560px 260px at 86% 120%, rgba(239,136,55,.4), transparent 62%),
    linear-gradient(120deg, var(--primary-900), var(--primary-700));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-lg);
}
.cta-box h2 { font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; }
.cta-box p { margin-top: 10px; color: rgba(255,255,255,.78); max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-shrink: 0; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, .78);
  font-size: 14.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr .8fr .8fr 1.05fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand .brand-name .cn { color: #fff; }
.footer-brand .brand-name .en { color: rgba(255,255,255,.45); }
.footer-brand .brand { margin-bottom: 30px; }
.footer-brand p { max-width: 340px; color: rgba(255,255,255,.62); }
.footer-cert-note {
  margin: 0 0 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}
.footer-cert { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer-cert span {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 3px;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.06);
}
.footer-col h4 {
  font-size: 16.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 26px; height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent));
}
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: rgba(255,255,255,.66); }
.footer-col a:hover:not(.brand) { color: #fff; padding-left: 3px; }
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255,255,255,.66);
}
.footer-contact svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 4px; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: #fff; }

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  z-index: 90;
  width: 46px; height: 46px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- 14. 服务项目页 ---------- */
.service-locator { scroll-margin-top: calc(var(--nav-h) + 16px); }
.svc-block {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 0;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  overflow: hidden;
  margin-bottom: 36px;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}
.svc-block:hover { box-shadow: var(--shadow-md); }
.svc-side {
  position: relative;
  padding: 42px 36px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  overflow: hidden;
}
.svc-side::after {
  content: "";
  position: absolute;
  right: -46px; bottom: -46px;
  width: 190px; height: 190px;
  border-radius: 50%;
  border: 26px solid rgba(255,255,255,.10);
  pointer-events: none;
}
.svc-icon { width: 58px; height: 58px; }
.svc-side h3 { font-size: 23px; font-weight: 800; letter-spacing: .02em; }
.svc-side .en { margin-top: 4px; font-size: 12.5px; letter-spacing: .14em; color: rgba(255,255,255,.6); text-transform: uppercase; }
.svc-side p { font-size: 14.5px; color: rgba(255,255,255,.82); position: relative; }
.svc-side .svc-detail-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.1);
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.svc-side .svc-detail-btn:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.svc-side .svc-detail-btn svg { width: 16px; height: 16px; }

.side-1 { background: linear-gradient(140deg, #3e68a0, #5091c0 62%, #94d2ef); }
.side-2 { background: linear-gradient(140deg, #3e68a0, #ef8837 62%, #94d2ef); }
.side-3 { background: linear-gradient(140deg, #8a4b13, #c97a1e 62%, #efb34b); }
.side-4 { background: linear-gradient(140deg, #4a3f9e, #6d5fd0 62%, #8f7fe8); }
.side-5 { background: linear-gradient(140deg, #0b5560, #1187a8 62%, #2fb3c9); }
.side-6 { background: linear-gradient(140deg, #943153, #c04560 62%, #e0748a); }

.svc-main { padding: 38px 40px; }
.svc-main h4 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--accent-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.svc-main h4::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.svc-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 22px;
}
.svc-items li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--text-1);
}
.svc-items a {
  color: inherit;
  transition: color .22s var(--ease);
}
.svc-items a:hover { color: #94d2ef; }
.svc-items li { cursor: pointer; }
.svc-items li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 8px; height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--primary-600), var(--accent));
}
.svc-standards { margin-top: 24px; }
.svc-standards li {
  padding: 10px 14px;
  background: var(--bg-page);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.svc-standards li b { color: #94d2ef; font-weight: 700; }

/* 服务弹窗 */
.modal-mask {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(6, 26, 56, .58);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.modal-mask.open { opacity: 1; visibility: visible; }
.modal {
  width: min(720px, 100%);
  max-height: min(82dvh, 760px);
  overflow-y: auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(.97);
  transition: transform .35s var(--ease);
}
.modal-mask.open .modal { transform: translateY(0) scale(1); }
.modal-head {
    position: -webkit-sticky;
    position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  background: linear-gradient(120deg, var(--primary-900), var(--primary-700));
  color: #fff;
}
.modal-head h3 { font-size: 20px; font-weight: 800; }
.modal-head p { margin-top: 2px; font-size: 12.5px; color: rgba(255,255,255,.65); letter-spacing: .1em; }
.modal-close {
  width: 38px; height: 38px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255,255,255,.14);
  transition: background .25s var(--ease), transform .25s var(--ease);
  flex-shrink: 0;
}
.modal-close:hover { background: rgba(255,255,255,.28); transform: rotate(90deg); }
.modal-close svg { width: 18px; height: 18px; }
.modal-body { padding: 26px 30px 32px; }
.modal-body h5 {
  font-size: 15px;
  font-weight: 800;
  color: #d0e2f5;
  margin: 22px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}
.modal-body h5:first-child { margin-top: 0; }
.modal-body p { font-size: 14.5px; color: var(--text-2); }
.modal-body ul li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 14.5px;
  color: var(--text-1);
  border-bottom: 1px dashed var(--line);
}
.modal-body ul li:last-child { border-bottom: none; }
.modal-body ul li::before {
  content: "";
  position: absolute;
  left: 2px; top: 1.05em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.modal-foot {
  padding: 0 30px 30px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- 15. 关于我们页 ---------- */
.about-intro { padding: 88px 0 60px; }
.about-cols {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: start;
}
.about-text h2 { font-size: 26px; font-weight: 800; color: #bcddea; margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; color: var(--text-2); font-size: 15.5px; text-align: justify; }
.about-figure { position: relative; }
.about-figure .fig-main {
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  color: #fff;
  background:
    radial-gradient(420px 220px at 90% -20%, rgba(239,136,55,.4), transparent 60%),
    linear-gradient(140deg, var(--primary-900), var(--primary-700));
  box-shadow: var(--shadow-lg);
}
.fig-row { display: flex; gap: 22px; padding: 18px 0; border-bottom: 1px dashed rgba(255,255,255,.18); }
.fig-row:last-child { border-bottom: none; }
.fig-row b { font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.fig-row b i { font-style: normal; font-size: .5em; color: var(--accent); margin-left: 2px; }
.fig-row span { display: block; font-size: 13.5px; color: rgba(255,255,255,.68); margin-top: 2px; }
.fig-badge {
  position: absolute;
  right: -14px; bottom: -20px;
  padding: 14px 22px;
  border-radius: 5px;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  font-weight: 800;
  color: #d0e2f5;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fig-badge svg { width: 26px; height: 26px; color: var(--accent-dark); }

/* 资质荣誉 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.cert-card { padding: 30px 26px; text-align: center; }
.cert-card .cert-ico {
  width: 72px; height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80,145,192,.12), rgba(239,136,55,.16));
  color: #94d2ef;
}
.cert-card .cert-ico svg { width: 34px; height: 34px; }
.cert-card h3 { font-size: 17px; font-weight: 800; color: #bcddea; }
.cert-card .cert-no { margin-top: 6px; font-size: 12.5px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.cert-card p { margin-top: 10px; font-size: 13.5px; color: var(--text-2); }

/* 发展历程 */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-600), var(--accent));
  border-radius: 2px;
}
.timeline-item { position: relative; padding: 0 0 36px 26px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 4px solid var(--primary-600);
  box-shadow: 0 0 0 5px rgba(80,145,192,.12);
}
.timeline-item h3 { font-size: 21px; font-weight: 800; color: #94d2ef; font-variant-numeric: tabular-nums; }
.timeline-item h4 { margin-top: 8px; font-size: 16.5px; font-weight: 700; color: var(--text-1); }
.timeline-item p { margin-top: 6px; font-size: 14.5px; color: var(--text-2); max-width: 640px; }

/* 愿景使命 */
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mission-card {
  padding: 40px 34px;
  border-radius: var(--radius-lg);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.mission-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.mission-card h3 svg { width: 26px; height: 26px; color: var(--accent); }
.mission-card p { font-size: 14.5px; color: rgba(255,255,255,.82); position: relative; z-index: 1; }
.mission-card::after {
  content: "";
  position: absolute;
  right: -40px; bottom: -40px;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 22px solid rgba(255,255,255,.08);
}
.mission-1 { background: linear-gradient(140deg, #3e68a0, #5091c0); }
.mission-2 { background: linear-gradient(140deg, #3e68a0, #ef8837); }
.mission-3 { background: linear-gradient(140deg, #7c4a12, #c98a1e); }

/* ---------- 16. 新闻页 ---------- */
.news-page-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.news-page-card {
  display: flex;
  gap: 22px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.news-page-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-page-card .news-body { min-width: 0; }
.news-page-card .cover {
  width: 168px;
  min-height: 128px;
  flex-shrink: 0;
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.92);
}
.news-page-card .cover svg { width: 52px; height: 52px; }
.news-page-card h3 { font-size: 17px; line-height: 1.55; font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .25s var(--ease); }
.news-page-card:hover h3 { color: #94d2ef; }
.news-page-card p { margin-top: 8px; font-size: 14px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { margin-top: 12px; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.news-meta .tag { color: #94d2ef; background: rgba(80,145,192,.09); padding: 2px 10px; border-radius: 2px; font-weight: 600; }

/* 筛选器 */
.filter-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 40px; }
.filter-left { justify-content: flex-start; margin-bottom: 22px; }
.filter-btn {
  padding: 9px 24px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: all .25s var(--ease);
}
.filter-btn:hover { color: #94d2ef; border-color: rgba(80,145,192,.4); }
.filter-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(80,145,192,.3);
}

/* ---------- 17. 联系我们页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 32px;
  align-items: start;
}
.contact-info-card { padding: 40px 36px; }
.contact-info-card h3 { font-size: 20px; font-weight: 800; color: #bcddea; margin-bottom: 8px; }
.contact-info-card > p { font-size: 14px; color: var(--text-3); margin-bottom: 26px; }
.contact-line {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}
.contact-line:last-child { border-bottom: none; }
.contact-line .ico {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 4px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80,145,192,.1), rgba(239,136,55,.14));
  color: #94d2ef;
}
.contact-line .ico svg { width: 22px; height: 22px; }
.contact-line b { display: block; font-size: 15px; color: var(--text-1); }
.contact-line span { display: block; margin-top: 3px; font-size: 14.5px; color: var(--text-2); font-variant-numeric: tabular-nums; }

.contact-form-card { padding: 40px 36px; }
.contact-form-card h3 { font-size: 20px; font-weight: 800; color: #bcddea; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; font-weight: 600; color: var(--text-1); }
.form-field label i { font-style: normal; color: #d64545; margin-left: 2px; }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text-1);
  padding: 12px 16px;
  border: 1.5px solid var(--line);
  border-radius: 4px;
  background: var(--bg-page);
  outline: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  width: 100%;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: #94d2ef;
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(80, 145, 192, .12);
}
.form-field .err { font-size: 12.5px; color: #d64545; display: none; }
.form-field.invalid input,
.form-field.invalid select,
.form-field.invalid textarea { border-color: #d64545; }
.form-field.invalid .err { display: block; }
.form-submit { margin-top: 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-tip { font-size: 13px; color: var(--text-3); }

.form-success {
  display: none;
  align-items: flex-start;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: 4px;
  background: rgba(239, 136, 55, .1);
  border: 1px solid rgba(239, 136, 55, .4);
  color: var(--accent-dark);
  font-size: 14.5px;
  font-weight: 600;
}
.form-success.show { display: flex; animation: fadeUp .5s var(--ease); }
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 1px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 分支机构 */
.branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.branch-card { padding: 28px 26px; }
.branch-card h3 { font-size: 17px; font-weight: 800; color: #bcddea; display: flex; align-items: center; gap: 10px; }
.branch-card h3 svg { width: 19px; height: 19px; color: var(--accent-dark); }
.branch-card p { margin-top: 10px; font-size: 14px; color: var(--text-2); }
.branch-card .tel { margin-top: 12px; font-size: 13.5px; color: #94d2ef; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- 18. 滚动显现动效（渐进增强：仅 JS 可用时才隐藏初始态） ---------- */
html.has-js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
html.has-js .reveal.visible { opacity: 1; transform: translateY(0); }
html.has-js .reveal[data-delay="1"] { transition-delay: .1s; }
html.has-js .reveal[data-delay="2"] { transition-delay: .2s; }
html.has-js .reveal[data-delay="3"] { transition-delay: .3s; }
html.has-js .reveal[data-delay="4"] { transition-delay: .4s; }


/* ---------- 导航：检测服务下拉面板 ---------- */
.nav-drop-wrap { position: relative; display: flex; align-items: center; }
.nav-drop-wrap::after {
  content: "";
  position: absolute;
  top: 100%; left: -20px; right: -20px;
  height: 46px;
}
.nav-caret { width: 13px; height: 13px; margin-left: 4px; transition: transform .3s var(--ease); }
.nav-drop-wrap:hover .nav-caret { transform: rotate(180deg); }
.nav-dropdown {
  position: fixed;
  top: calc(var(--nav-h) + 38px);
  left: 0;
  right: 0;
  transform: translateY(14px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 26px max(24px, calc((100vw - 1180px) / 2)) 22px;
  background: linear-gradient(170deg, rgba(18, 30, 52, .92), rgba(11, 20, 36, .96));
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(148, 210, 239, .26);
  border-radius: 0 0 14px 14px;
  box-shadow: 0 34px 70px rgba(0, 0, 0, .55), 0 0 0 1px rgba(148, 210, 239, .06), 0 18px 50px rgba(53, 83, 134, .25);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  z-index: 120;
  overflow: hidden;
}
.nav-dropdown::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-600) 25%, var(--accent) 55%, var(--accent-light) 75%, transparent);
}
.nav-dropdown::before {
  content: "";
  position: absolute;
  top: -24px; left: 0; right: 0;
  height: 24px;
}
.nav-drop-wrap.dd-open .nav-dropdown,
.nav-drop-wrap:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-drop-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border-radius: 12px;
  border: 1px solid rgba(148, 210, 239, .18);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(148, 210, 239, .13), transparent 55%),
    linear-gradient(170deg, rgba(20, 33, 56, .8), rgba(12, 20, 36, .92));
  box-shadow: 0 10px 26px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(148, 210, 239, .1);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-drop-group::before { display: none; }

.nav-drop-group > * { margin-left: 14px; margin-right: 14px; }

.nav-drop-cta {
  justify-content: flex-start;
  display: flex;
  border-color: rgba(239, 136, 55, .3) !important;
  background: linear-gradient(170deg, rgba(20, 33, 56, .8), rgba(12, 20, 36, .92)) !important;
}
.nav-drop-cta::before { display: none; }
.nav-cta-head {
  color: #efb34b !important;
  border-bottom-color: rgba(239, 179, 75, .28) !important;
}
.nav-cta-btns {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
  margin-top: 9px;
  box-sizing: border-box;
}
.nav-dropdown .nav-cta-btn {
  flex: 1 1 0;
  display: block;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 8px;
  border-radius: 7px;
  margin: 0;
  box-sizing: border-box;
  letter-spacing: .03em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.nav-cta-primary {
  color: #fff;
  background: linear-gradient(135deg, #5091c0, #355386);
  box-shadow: 0 8px 20px rgba(53, 83, 134, .3);
}
.nav-cta-primary:hover { color: #fff; }
.nav-cta-ghost {
  color: #94d2ef;
  border: 1px solid rgba(80, 145, 192, .5);
  background: transparent;
}
.nav-cta-ghost:hover { color: #94d2ef; }
.nav-cta-note {
  display: block;
  text-align: center;
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 14px;
  padding-top: 11px;
  border-top: 1px dashed rgba(239, 179, 75, .25);
  letter-spacing: .05em;
}
.nav-drop-group > :first-child { margin-top: 13px; }
.nav-drop-group > :last-child { margin-bottom: 12px; }
.nav-dropdown .nav-drop-title {
  font-size: 14.5px;
  font-weight: 800;
  color: #cfe3ef;
  padding: 2px 0 9px 19px;
  margin: 0 0 7px;
  border-bottom: 1px solid rgba(148, 210, 239, .2);
  position: relative;
  letter-spacing: .03em;
  transition: color .25s var(--ease);
}
.nav-dropdown .nav-drop-title::before {
  content: "";
  position: absolute;
  left: 19px; bottom: -1px;
  width: 42px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform-origin: left;
  transition: width .3s var(--ease);
}
.nav-dropdown:hover .nav-drop-title::before { width: 42px; }

.nav-dropdown .nav-drop-title::after { display: none; }

.nav-dropdown .nav-drop-link {
  display: block;
  font-size: 11.5px;
  line-height: 1.35;
  color: var(--text-3);
  padding: 2.5px 6px;
  margin: 0 -6px;
  border-radius: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .22s var(--ease), background .22s var(--ease);
}
.nav-dropdown .nav-drop-link::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 6px;
  vertical-align: 0;
  background: rgba(148, 210, 239, .5);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: background .22s var(--ease), transform .22s var(--ease);
}
.nav-dropdown .nav-drop-link:hover {
  color: #94d2ef;
}
.nav-dropdown .nav-dropdown .nav-drop-link:hover::before { background: var(--accent); transform: translateX(1px); }
.nav-drop-link::after { display: none; }
.nav-dropdown .nav-drop-link:hover { color: #ef8837; }

@media (max-width: 768px) {
  .nav-drop-wrap { display: contents; }
  .nav-caret, .nav-dropdown { display: none !important; }
}


/* ---------- 实验室 VR 漫游 ---------- */
.vr-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 52px;
  align-items: center;
  padding: 34px;
  background: rgba(20, 31, 51, .55);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.vr-media { min-width: 0; }
.vr-play { position: relative; display: block; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(0, 0, 0, .4); }
.vr-play img { width: 100%; height: auto; display: block; transition: transform .5s var(--ease); }
.vr-play:hover img { transform: scale(1.04); }
.vr-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(180deg, rgba(13, 21, 36, .18), rgba(13, 21, 36, .58));
}
.vr-play-text {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .12em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .5);
}
.vr-copy h2 { font-size: 27px; font-weight: 800; color: #bcddea; }
.vr-sub { margin-top: 6px; font-size: 15px; color: #efb34b; font-weight: 600; letter-spacing: .02em; }
.vr-copy > p { margin-top: 14px; font-size: 14.5px; color: var(--text-2); }
.vr-copy .vr-cta { margin-top: 22px; }

/* VR 弹窗（:target） */
.vr-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.vr-modal:target { display: flex; }
.vr-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(5, 10, 20, .82);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  cursor: pointer;
}
.vr-modal-box {
  position: relative;
  width: min(1080px, 100%);
  max-height: calc(100dvh - 56px);
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid rgba(148, 210, 239, .25);
  border-radius: 12px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6);
  overflow: hidden;
  animation: vrIn .3s var(--ease);
}
@keyframes vrIn {
  from { transform: translateY(18px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.vr-modal-close {
  position: absolute;
  top: 12px; right: 14px;
  z-index: 2;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  color: #dcebfa;
  background: rgba(13, 21, 36, .7);
  border: 1px solid rgba(148, 210, 239, .3);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease);
}
.vr-modal-close:hover { background: var(--accent); color: #fff; }
.vr-modal-head { padding: 18px 56px 12px 22px; border-bottom: 1px solid var(--line); }
.vr-modal-head h3 { font-size: 17px; font-weight: 800; color: #cfe3ef; }
.vr-modal-head p { margin-top: 3px; font-size: 12.5px; color: var(--text-3); }
.vr-modal-body { padding: 14px; display: flex; flex-direction: column; gap: 12px; overflow: auto; }
.vr-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line);
}
.vr-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vr-newwin { align-self: center; }

@media (max-width: 1080px) {
  .vr-grid { grid-template-columns: 1fr; gap: 30px; padding: 24px 18px; }
  .vr-copy h2 { font-size: 23px; }
}
@media (max-width: 768px) {
  .vr-modal { padding: 10px; }
  .vr-modal-head { padding: 14px 52px 10px 16px; }
  .vr-frame { aspect-ratio: 4 / 3; }
}

/* ---------- 首页：合作伙伴（图片墙） ---------- */
.partners-marquee {
  overflow: hidden;
  padding: 6px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.partners-track {
  display: flex;
  width: max-content;
  animation: partnersScroll 36s linear infinite;
}
.partners-marquee:hover .partners-track { animation-play-state: paused; }
@keyframes partnersScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.partner-card {
  flex: 0 0 236px;
  margin-right: 16px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-card);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
}
.partner-card img {
  display: block;
  width: 100%;
  height: 112px;
  padding: 10px 14px;
  object-fit: contain;
  box-sizing: border-box;
  image-rendering: -webkit-optimize-contrast;
}

@media (max-width: 768px) {
  .partner-card { flex-basis: 168px; margin-right: 12px; }
  .partner-card img { height: 118px; padding: 8px; }
}

/* ---------- 服务页卡片内容样式优化 ---------- */
.svc-main {
  background: rgba(20, 31, 51, .5);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 28px 24px;
}
.svc-main h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #94d2ef;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 26px 0 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(148, 210, 239, .14);
}
.svc-main h4:first-child { margin-top: 0; }
.svc-items { margin-bottom: 2px; }
.svc-standards { margin-bottom: 2px; }
.svc-main h4::before {
  content: "";
  width: 3px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary-600), var(--accent));
}
.svc-items li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.9;
}
.svc-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(148, 210, 239, .45);
}
.svc-standards li {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.85;
}
.svc-standards li b {
  color: #cfe3ef;
  margin-right: 6px;
}
.svc-arts {
  margin-top: 2px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.svc-arts li { min-width: 0; }
.svc-arts a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-2);
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(148, 210, 239, .06);
  border: 1px solid rgba(148, 210, 239, .12);
  transition: color .22s var(--ease), border-color .22s var(--ease);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.svc-arts a::before {
  content: "";
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  background: rgba(148, 210, 239, .5);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.svc-arts a:hover { color: #94d2ef; border-color: rgba(148, 210, 239, .35); }

@media (max-width: 768px) {
  .svc-main { padding: 18px 16px; }
  .svc-arts a { white-space: normal; line-height: 1.5; }
}
/* ---------- 服务页卡片背景图 ---------- */
.svc-bg-food {
  background: linear-gradient(140deg, rgba(62,104,160,.3), rgba(80,145,192,.3) 62%, rgba(148,210,239,.3)), url("/assetsmax/image/shipin-2.jpg") center / cover no-repeat;
}
.svc-bg-drug {
  background: linear-gradient(140deg, rgba(62,104,160,.3), rgba(239,136,55,.3) 62%, rgba(148,210,239,.3)), url("/assetsmax/image/yaopin-2.jpg") center / cover no-repeat;
}
.svc-bg-chem {
  background: linear-gradient(140deg, rgba(138,75,19,.3), rgba(201,122,30,.3) 62%, rgba(239,179,75,.3)), url("/assetsmax/image/huagong-2.jpg") center / cover no-repeat;
}
.svc-bg-material {
  background: linear-gradient(140deg, rgba(74,63,158,.3), rgba(109,95,208,.3) 62%, rgba(143,127,232,.3)), url("/assetsmax/image/cailiao-2.jpg") center / cover no-repeat;
}
.svc-bg-energy {
  background: linear-gradient(140deg, rgba(11,85,96,.3), rgba(17,135,168,.3) 62%, rgba(47,179,201,.3)), url("/assetsmax/image/xingneng-2.jpg") center / cover no-repeat;
}
.svc-bg-bio {
  background: linear-gradient(140deg, rgba(148,49,83,.3), rgba(192,69,96,.3) 62%, rgba(224,116,138,.3)), url("/assetsmax/image/shiyan-1.jpg") center / cover no-repeat;
}
.svc-bg-research {
  background: linear-gradient(140deg, rgba(62,104,160,.3), rgba(80,145,192,.3) 62%, rgba(148,210,239,.3)), url("/assetsmax/image/keyan-2.jpg") center / cover no-repeat;
}


/* ---------- 关于页：检测服务领域（横条列表） ---------- */
.domain-row-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
}
.domain-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(80, 145, 192, .10), rgba(20, 31, 51, .4) 70%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary-600);
  min-width: 0;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.domain-row:hover { border-left-color: var(--accent); background: linear-gradient(90deg, rgba(239, 136, 55, .10), rgba(20, 31, 51, .4) 70%); }
.domain-row-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(148, 210, 239, .1);
  color: #94d2ef;
}
.domain-row-icon svg { width: 20px; height: 20px; }
.domain-row b {
  flex-shrink: 0;
  font-size: 14.5px;
  font-weight: 700;
  color: #cfe3ef;
  white-space: nowrap;
}
.domain-row-desc {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.domain-row-no {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 800;
  color: rgba(148, 210, 239, .35);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 1080px) {
  .domain-row-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .domain-row { flex-wrap: wrap; gap: 6px 12px; padding: 12px 14px; }
  .domain-row-desc { white-space: normal; flex-basis: 100%; order: 4; padding-left: 52px; }
  .domain-row-no { display: none; }
}

/* ---------- 关于页：检测服务领域（富卡片） ---------- */
.domain-rich-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.domain-rich {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 18px;
  border-radius: 12px;
  background: linear-gradient(170deg, rgba(20, 33, 51, .75), rgba(13, 21, 36, .9));
  border: 1px solid rgba(148, 210, 239, .18);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .25);
  min-width: 0;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.domain-rich:hover { border-color: rgba(148, 210, 239, .38); transform: translateY(-3px); }
.domain-rich-head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 11px;
  border-bottom: 1px dashed rgba(148, 210, 239, .18);
}
.domain-rich-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .16), rgba(239, 136, 55, .16));
  color: #94d2ef;
}
.domain-rich-icon svg { width: 23px; height: 23px; }
.domain-rich h3 { font-size: 16px; font-weight: 700; }
.domain-rich h3 a { color: #cfe3ef; transition: color .22s var(--ease); }
.domain-rich h3 a:hover { color: #94d2ef; }
.domain-rich-no {
  font-size: 11px;
  color: rgba(148, 210, 239, .4);
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}
.domain-rich > p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
  flex: 1;
}
.domain-rich-arts {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.domain-rich-arts a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-3);
  padding: 6px 11px;
  border-radius: 7px;
  background: rgba(148, 210, 239, .06);
  border: 1px solid rgba(148, 210, 239, .12);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.domain-rich-arts a::before {
  content: "";
  flex-shrink: 0;
  width: 7px; height: 7px;
  background: rgba(148, 210, 239, .5);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 6 10'%3E%3Cpath d='M1 1l4 4-4 4' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.domain-rich-arts a:hover { color: #94d2ef; border-color: rgba(148, 210, 239, .32); }
@media (max-width: 1080px) {
  .domain-rich-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .domain-rich-arts a { white-space: normal; line-height: 1.5; }
}
/* ---------- 关于页：总部大楼照片 ---------- */
.about-photo {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .4);
}
.about-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
@media (max-width: 1080px) {
  .about-photo img { min-height: 300px; }
}

/* ---------- 资质证书图片 ---------- */
.cert-doc-img {
  margin: 0 24px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: transparent;
}
.cert-doc-img img {
  display: block;
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  background: transparent;
}
.cert-modal-img {
  display: block;
  width: min(680px, 88%);
  margin: 0 auto 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  padding: 8px;
  object-fit: contain;
  max-height: 58dvh;
}
@media (max-width: 768px) {
  .cert-doc-img { margin: 0 16px; }
  .cert-doc-img img { max-height: 200px; }
}

/* ---------- 资质页：服务领域分类 ---------- */
.cert-field-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}
.cert-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 22px 12px 18px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  min-width: 0;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.cert-field:hover { transform: translateY(-4px); border-color: rgba(148, 210, 239, .4); }
.cert-field-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .14), rgba(239, 136, 55, .16));
  color: #94d2ef;
}
.cert-field-icon svg { width: 23px; height: 23px; }
.cert-field b { font-size: 14.5px; font-weight: 700; color: #cfe3ef; }
.cert-field-arrow { color: var(--text-3); transition: color .25s var(--ease), transform .25s var(--ease); }
.cert-field-arrow svg { width: 15px; height: 15px; }
.cert-field:hover .cert-field-arrow { color: var(--accent); transform: translateX(3px); }
@media (max-width: 1080px) {
  .cert-field-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .cert-field-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .cert-field { flex-direction: row; justify-content: flex-start; text-align: left; padding: 14px 14px; }
  .cert-field-icon { width: 36px; height: 36px; }
  .cert-field-arrow { margin-left: auto; }
}

/* ---------- 新闻页：左右两栏 ---------- */
.news-layout,
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
.news-col-main { min-width: 0; }
.news-layout .news-page-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.news-layout .news-page-card {
  display: block;
  padding: 0;
}
.news-layout .news-body { padding: 20px 24px; }
.news-layout .news-body h3 { font-size: 17.5px; white-space: normal; }
.news-layout .news-body p {
  margin-top: 8px;
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 侧栏 */
.news-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: calc(var(--nav-h) + 60px);
}
.news-cta { padding: 24px 22px 20px; }
.news-cta h4 { font-size: 17px; font-weight: 800; color: #cfe3ef; }
.news-cta > p { margin-top: 8px; font-size: 13.5px; color: var(--text-3); }
.news-cta .nav-cta-btns { display: flex; flex-direction: column; gap: 9px; margin-top: 16px; }
.news-cta .nav-cta-btns .btn { width: 100%; font-size: 14px; padding: 11px 10px; }
.news-cta-tel { margin-top: 14px !important; padding-top: 12px; border-top: 1px dashed rgba(148, 210, 239, .18); font-size: 13px !important; color: #efb34b !important; text-align: center; letter-spacing: .04em; }
.news-certs {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 18px 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
}
.news-certs h4 { font-size: 15.5px; font-weight: 800; color: #cfe3ef; padding-bottom: 10px; border-bottom: 1px solid rgba(148, 210, 239, .16); margin-bottom: 12px; }
.news-cert-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.news-cert-thumbs a {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.news-cert-thumbs a:hover { transform: translateY(-2px); border-color: rgba(148, 210, 239, .4); }
.news-cert-thumbs img { display: block; width: 100%; height: 92px; object-fit: cover; }
.news-cert-thumbs a:first-child { grid-column: 1 / -1; }
.news-cert-thumbs a:first-child img { height: 130px; }
.news-cert-note {
  margin-top: 13px;
  padding-top: 11px;
  border-top: 1px dashed rgba(239, 179, 75, .3);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-3);
}

@media (max-width: 1080px) {
  .news-layout, .article-layout { grid-template-columns: 1fr; }
  .news-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .news-side > * { flex: 1 1 300px; }
}
@media (max-width: 768px) {
  .news-side { flex-direction: column; }
  .news-cert-thumbs a:first-child img { height: 100px; }
}

/* ---------- 新闻侧栏：证书切换 ---------- */
.news-cert-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.cert-tab {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(148, 210, 239, .22);
  background: rgba(148, 210, 239, .05);
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}
.cert-tab:hover { color: #94d2ef; border-color: rgba(148, 210, 239, .4); }
.cert-tab.active {
  color: #fff;
  background: linear-gradient(135deg, #5091c0, #355386);
  border-color: transparent;
}
.news-cert-view {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: transparent;
}
.news-cert-view img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: contain;
  transition: opacity .25s var(--ease);
}
.news-cert-view img.switching { opacity: 0; }

/* ---------- 新闻侧栏：咨询卡（丰富版） ---------- */
.news-cta-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(148, 210, 239, .18);
  margin-bottom: 12px;
}
.news-cta-ico {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80, 145, 192, .16), rgba(239, 136, 55, .16));
  color: #94d2ef;
}
.news-cta-ico svg { width: 22px; height: 22px; }
.news-cta-head h4 { font-size: 16.5px; font-weight: 800; color: #cfe3ef; }
.news-cta-sub { margin-top: 3px; font-size: 12px; color: #efb34b; letter-spacing: .02em; }
.news-cta-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.news-cta-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--text-2);
}
.news-cta-list svg {
  flex-shrink: 0;
  width: 14px; height: 14px;
  color: #5091c0;
  background: rgba(80, 145, 192, .12);
  border-radius: 50%;
  padding: 2px;
}
.news-cta-mail {
  margin-top: 8px !important;
  font-size: 12.5px !important;
  color: var(--text-3) !important;
  text-align: center;
  word-break: break-all;
}

/* ---------- 新闻卡片按钮 ---------- */
.news-card-btns {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.news-btn-cta, .news-btn-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 7px;
  letter-spacing: .03em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.news-btn-cta {
  color: #fff;
  background: linear-gradient(135deg, #5091c0, #355386);
  box-shadow: 0 6px 16px rgba(53, 83, 134, .3);
}
.news-btn-cta:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(53, 83, 134, .42); color: #fff; }
.news-btn-more {
  color: #94d2ef;
  border: 1px solid rgba(80, 145, 192, .5);
  background: transparent;
}
.news-btn-more:hover { background: rgba(80, 145, 192, .14); transform: translateY(-2px); color: #94d2ef; }

/* ---------- 新闻卡片标题行 ---------- */
.news-layout .news-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.news-layout .news-title-row h3 { flex: 1; min-width: 0; }
.news-layout .news-title-row time {
  flex-shrink: 0;
  font-size: 12.5px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}
.news-layout .news-meta { margin-top: 12px; display: flex; align-items: center; gap: 8px; }
.news-layout .news-meta .news-card-btns { margin-top: 0; margin-left: auto; }
.tag-urgent {
  color: #efb34b !important;
  background: rgba(239, 136, 55, .1) !important;
  border: 1px solid rgba(239, 179, 75, .35);
}
@media (max-width: 768px) {
  .news-layout .news-title-row { flex-direction: column; gap: 4px; align-items: flex-start; }
}


/* ---------- 联系页：分块实力展示 ---------- */
.contact-blocks { display: flex; flex-direction: column; }
.contact-blocks .cb-list li { padding: 2px 10px; font-size: 12px; }
.contact-blocks .cb-list { gap: 3px; }

.contact-blocks .cb-panel h4 { font-size: 14px; margin-bottom: 5px; }
.contact-blocks .cb-lead { margin: 3px 0 7px; font-size: 11.5px; }
.contact-blocks .cb-stats { gap: 6px; }
.contact-blocks .cb-stats li { padding: 6px 9px; }
.contact-blocks .cb-stats b { font-size: 16px; }
.contact-blocks .cb-certs span { font-size: 10px; padding: 2px 7px; }
.contact-blocks .nav-cta-btns { margin-top: 12px; }
.contact-blocks .nav-cta-btns .btn { padding: 10px 8px; font-size: 13.5px; }
.contact-blocks .cb-stats { margin-bottom: 10px; }
.contact-blocks .cb-div { margin-top: 8px; padding-top: 9px; }
.cb-div {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed rgba(148, 210, 239, .18);
}
.cb-panel h4 { font-size: 16px; font-weight: 800; color: #cfe3ef; }
.cb-lead { margin: 6px 0 12px; font-size: 12.5px; color: var(--text-3); line-height: 1.7; }
.cb-list { display: flex; flex-direction: column; gap: 7px; }
.cb-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(148, 210, 239, .06);
  border: 1px solid rgba(148, 210, 239, .1);
}
.cb-list b { flex-shrink: 0; font-size: 13px; color: #94d2ef; }
.cb-list span { font-size: 12px; color: var(--text-3); }
.cb-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.cb-stats li {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 10px 12px;
}
.cb-stats b {
  font-size: 21px;
  font-weight: 800;
  color: #94d2ef;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.cb-stats b i { font-style: normal; font-size: 12px; color: var(--accent); margin-left: 2px; }
.cb-stats span { font-size: 11.5px; color: var(--text-3); }
.cb-certs-cap {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.cb-certs { display: flex; flex-wrap: wrap; gap: 6px; }
.cb-certs span {
  font-size: 11px;
  font-weight: 600;
  color: #efb34b;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(239, 179, 75, .32);
  background: rgba(239, 136, 55, .07);
}
@media (max-width: 768px) {
  .cb-tabs { flex-wrap: wrap; }
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1280px) {
  .nav-cta { display: none; }
}
@media (max-width: 1080px) {
  .nav-menu { gap: 0; }
  .nav-menu a { padding: 10px 13px; font-size: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .flow-step:nth-child(3)::after { display: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-block { grid-template-columns: 1fr; }
  .svc-side { padding: 34px 32px; }
  .svc-main { padding: 32px; }
  .about-cols { grid-template-columns: 1fr; gap: 60px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .page-hero { padding: 96px 0 56px; }

  .topbar .topbar-left { display: none; }
  .topbar .container { justify-content: center; }

  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-menu {
    position: fixed;
    top: calc(var(--nav-h));
    left: 0; right: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 20px 22px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(53, 83, 134, .14);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s var(--ease), opacity .3s var(--ease), visibility .3s;
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu a { padding: 13px 14px; border-radius: 4px; font-size: 16px; }
  .nav-menu a:hover { background: var(--bg-page); }
  .nav-menu a::after { display: none; }
  .nav-menu a.active { background: rgba(80, 145, 192, .08); }

  .hero { padding: 56px 0 84px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 520px; margin-inline: auto; }

  .stats-band { margin-top: -30px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 24px 14px; }
  .stat-item:nth-child(2)::before { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .flow-step:not(:last-child)::after { display: none; }
  .news-grid { grid-template-columns: 1fr; }
  .news-page-list { grid-template-columns: 1fr; }
  .news-page-card { flex-direction: column; gap: 0; padding: 0; }
  .news-page-card .cover { width: 100%; min-height: 150px; border-radius: var(--radius) var(--radius) 0 0; }
  .news-page-card .news-body { padding: 20px 22px 22px; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .branch-grid { grid-template-columns: 1fr; }
  .svc-items { grid-template-columns: 1fr; }

  .cta-box { flex-direction: column; align-items: flex-start; padding: 40px 30px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; }

  .footer-grid { grid-template-columns: 1fr; gap: 34px; padding: 48px 0 40px; }
  .footer-bottom { justify-content: center; text-align: center; }

  .about-figure .fig-badge { right: 8px; bottom: -16px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-info-card, .contact-form-card { padding: 30px 24px; }

  .back-top { right: 16px; bottom: 20px; }
}

/* ---------- 20. 无障碍：减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html.has-js .reveal { opacity: 1; transform: none; }
}

/* ---------- 21. 检测费用页 ---------- */
.fee-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 22px;
  border-radius: 4px;
  background: rgba(80, 145, 192, .06);
  border: 1px solid rgba(80, 145, 192, .18);
  color: var(--text-2);
  font-size: 14.5px;
  margin-bottom: 44px;
}
.fee-note svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 3px; color: #94d2ef; }
.fee-note b { color: #d0e2f5; }

.fee-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}
.fee-panel { display: none; }
.fee-panel.active { display: block; animation: fadeUp .4s var(--ease); }

.price-table-wrap {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  overflow: hidden;
}
.price-table-wrap .table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 30px;
  background: linear-gradient(120deg, var(--primary-900), var(--primary-700));
  color: #fff;
}
.price-table-wrap .table-head h3 { font-size: 19px; font-weight: 800; }
.price-table-wrap .table-head span { font-size: 13px; color: rgba(255,255,255,.65); letter-spacing: .1em; }
.price-scroll { overflow-x: auto; }
.price-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.price-table th {
  text-align: left;
  padding: 14px 24px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text-3);
  background: var(--bg-page);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.price-table td {
  padding: 16px 24px;
  font-size: 15px;
  color: var(--text-1);
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.price-table tbody tr { transition: background .2s var(--ease); }
.price-table tbody tr:hover { background: rgba(80, 145, 192, .04); }
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table .item-name { font-weight: 700; color: #bcddea; white-space: nowrap; }
.price-table .item-desc { font-size: 13.5px; color: var(--text-2); margin-top: 3px; font-weight: 400; }
.price-table .price { font-weight: 800; color: var(--accent-dark); font-variant-numeric: tabular-nums; white-space: nowrap; }
.price-table .cycle { font-size: 14px; color: var(--text-2); white-space: nowrap; }
.price-table .ask-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 2px;
  font-size: 13.5px;
  font-weight: 700;
  color: #94d2ef;
  border: 1.5px solid rgba(80, 145, 192, .35);
  transition: all .25s var(--ease);
  white-space: nowrap;
}
.price-table .ask-btn:hover { background: var(--primary-600); border-color: #94d2ef; color: #fff; }
.price-table .ask-btn svg { width: 14px; height: 14px; }

/* 计费方式与影响因素 */
.fee-factor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.fee-factor {
  padding: 32px 26px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.fee-factor:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.fee-factor .fico {
  width: 52px; height: 52px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80,145,192,.1), rgba(239,136,55,.14));
  color: #94d2ef;
  margin-bottom: 18px;
}
.fee-factor .fico svg { width: 26px; height: 26px; }
.fee-factor h3 { font-size: 17.5px; font-weight: 800; color: #bcddea; }
.fee-factor p { margin-top: 10px; font-size: 14px; color: var(--text-2); }

/* 承诺条 */
.promise-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  background: var(--bg-card);
}
.promise-item {
  padding: 30px 28px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  position: relative;
}
.promise-item + .promise-item::before {
  content: "";
  position: absolute;
  left: 0; top: 26%;
  height: 48%;
  width: 1px;
  background: var(--line);
}
.promise-item svg { width: 26px; height: 26px; color: var(--accent-dark); flex-shrink: 0; margin-top: 2px; }
.promise-item b { display: block; font-size: 15.5px; color: #bcddea; }
.promise-item span { display: block; margin-top: 4px; font-size: 13.5px; color: var(--text-2); }

/* 询价表单区（复用联系页表单样式） */
.quote-form-wrap { max-width: 860px; margin: 0 auto; }
.quote-form-wrap .contact-form-card { padding: 44px 44px 40px; }

@media (max-width: 1080px) {
  .fee-factor-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .fee-factor-grid { grid-template-columns: 1fr; }
  .promise-band { grid-template-columns: 1fr; }
  .promise-item + .promise-item::before { display: none; }
  .promise-item { border-bottom: 1px dashed var(--line); }
  .promise-item:last-child { border-bottom: none; }
  .price-table-wrap .table-head { padding: 20px 22px; flex-direction: column; align-items: flex-start; gap: 6px; }
  .quote-form-wrap .contact-form-card { padding: 30px 22px; }
}

/* ---------- 22. 导航 8 项微调 ---------- */
@media (min-width: 769px) {
  .nav-menu a { padding: 10px 13.5px; font-size: 15.5px; }
}

/* ---------- 23. 实验室全景（VR 导览） ---------- */
.pano-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -30%, rgba(239,136,55,.28), transparent 60%),
    linear-gradient(126deg, var(--primary-900), var(--primary-800) 55%, var(--primary-700));
}
.pano-wrap { position: relative; z-index: 1; }
.pano-frame {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 3px;
  background: linear-gradient(140deg, rgba(255,255,255,.5), rgba(255,255,255,.08) 45%, rgba(239,136,55,.55));
  box-shadow: var(--shadow-lg);
}
.pano-viewport {
  position: relative;
  height: clamp(300px, 38vw, 470px);
  border-radius: calc(var(--radius-lg) - 3px);
  overflow: hidden;
  background: #e9eff7;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.pano-viewport.is-dragging { cursor: grabbing; }
.pano-track {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: max-content;
  display: flex;
  will-change: transform;
}
.pano-track img {
  height: 100%;
  width: auto;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
}
.pano-hotspot {
  position: absolute;
  transform: translate(-50%, -100%);
  z-index: 3;
}
.pano-dot {
  position: relative;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 4px 14px rgba(53,83,134,.4);
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.pano-dot::after {
  content: "";
  position: absolute;
  top: -9px; right: -9px; bottom: -9px; left: -9px;
  border-radius: 50%;
  border: 2px solid rgba(239,136,55,.75);
  animation: panoPulse 2s ease-out infinite;
}
.pano-dot:hover { transform: scale(1.2); background: var(--accent-dark); }
@keyframes panoPulse {
  0% { transform: scale(.6); opacity: 1; }
  80%, 100% { transform: scale(1.7); opacity: 0; }
}
.pano-tag {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 2px;
  background: rgba(53, 83, 134, .88);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: .04em;
  pointer-events: none;
}
.pano-card {
  position: absolute;
  bottom: 60px; left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 250px;
  padding: 16px 18px;
  border-radius: 4px;
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  cursor: default;
}
.pano-card::after {
  content: "";
  position: absolute;
  bottom: -7px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 14px; height: 14px;
  background: var(--bg-card);
}
.pano-card h4 { font-size: 15px; font-weight: 800; color: #bcddea; }
.pano-card p { margin-top: 6px; font-size: 12.5px; line-height: 1.65; color: var(--text-2); }
.pano-hotspot.open .pano-card { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.pano-hint {
  position: absolute;
  left: 50%; bottom: 16px;
  transform: translateX(-50%);
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 2px;
  background: rgba(53, 83, 134, .72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  pointer-events: none;
  transition: opacity .5s var(--ease);
}
.pano-hint.hide { opacity: 0; }
.pano-hint svg { width: 16px; height: 16px; color: var(--accent); }
.pano-meta {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 4;
  display: flex;
  gap: 8px;
}
.pano-meta span {
  padding: 6px 12px;
  border-radius: 3px;
  background: rgba(53, 83, 134, .72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

/* ---------- 24. 服务流程页 ---------- */
.step-track { position: relative; max-width: 980px; margin: 0 auto; }
.step-item {
  position: relative;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding-bottom: 40px;
}
.step-item::before {
  content: "";
  position: absolute;
  left: 37px; top: 76px; bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, rgba(80,145,192,.5), rgba(239,136,55,.5));
}
.step-item:last-child::before { display: none; }
.step-no {
  width: 76px; height: 76px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(80,145,192,.32);
  position: relative;
  z-index: 1;
}
.step-body {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  padding: 26px 30px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step-body:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.step-body h3 { font-size: 19px; font-weight: 800; color: #bcddea; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.step-time {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-dark);
  background: rgba(239,136,55,.1);
  border: 1px solid rgba(239,136,55,.35);
  padding: 3px 12px;
  border-radius: 2px;
  white-space: nowrap;
}
.step-body p { margin-top: 10px; font-size: 14.5px; color: var(--text-2); }
.step-body .step-tips { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.step-body .step-tips em {
  font-style: normal;
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 3px;
  background: var(--bg-page);
  border: 1px solid var(--line);
  color: var(--text-2);
}

/* 送样指南 */
.guide-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.guide-card { padding: 30px 26px; text-align: center; }
.guide-card .gico { margin-left: auto; margin-right: auto; }
.guide-card .gico {
  width: 52px; height: 52px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(80,145,192,.1), rgba(239,136,55,.14));
  color: #94d2ef;
  margin-bottom: 16px;
}
.guide-card .gico svg { width: 26px; height: 26px; }
.guide-card h3 { font-size: 16.5px; font-weight: 800; color: #bcddea; }
.guide-card p { margin-top: 9px; font-size: 13.5px; color: var(--text-2); }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  margin-bottom: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  position: relative;
  transition: color .25s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 24px; top: 50%;
  width: 10px; height: 10px;
  border-right: 2.5px solid var(--primary-700);
  border-bottom: 2.5px solid var(--primary-700);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s var(--ease);
}
.faq-item[open] summary { color: #94d2ef; }
.faq-item[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq-item .faq-a {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.85;
}

/* ---------- 25. 资质荣誉页 ---------- */
.cert-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.cert-doc {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  display: flex;
  flex-direction: column;
}
.cert-doc:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.cert-doc-head {
  padding: 22px 24px 18px;
  background: linear-gradient(140deg, var(--primary-900), var(--primary-700));
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
}
.cert-doc-head .seal {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.12);
  border: 2px solid rgba(255,255,255,.4);
  color: #ffd977;
}
.cert-doc-head .seal svg { width: 28px; height: 28px; }
.cert-doc-head h3 { font-size: 17px; font-weight: 800; line-height: 1.4; }
.cert-doc-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.cert-doc-body dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 13.5px; }
.cert-doc-body dt { color: var(--text-3); white-space: nowrap; }
.cert-doc-body dd { color: var(--text-1); font-weight: 600; font-variant-numeric: tabular-nums; word-break: break-all; }
.cert-doc-body p { margin-top: 14px; font-size: 13px; color: var(--text-2); flex: 1; }
.cert-doc-foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cert-doc-foot .cert-zoom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: #94d2ef;
}
.cert-doc-foot .cert-zoom svg { width: 15px; height: 15px; }
.cert-doc-foot .cert-zoom:hover { color: #94d2ef; }
.cert-valid {
  font-size: 12px;
  color: var(--accent-dark);
  background: rgba(239,136,55,.1);
  padding: 3px 10px;
  border-radius: 2px;
  font-weight: 700;
}

/* 证书放大弹窗内容 */
.cert-zoom-body { padding: 30px; text-align: center; }
.cert-zoom-frame {
  margin: 0 auto;
  max-width: 480px;
  border: 3px solid var(--primary-700);
  border-radius: 4px;
  padding: 34px 30px;
  background:
    radial-gradient(circle at 50% 0%, rgba(80,145,192,.06), transparent 60%),
    #fdfdfb;
  position: relative;
}
.cert-zoom-frame::before {
  content: "";
  position: absolute;
  top: 7px; right: 7px; bottom: 7px; left: 7px;
  border: 1px solid rgba(80,145,192,.35);
  border-radius: 3px;
  pointer-events: none;
}
.cert-zoom-frame .seal-big {
  width: 74px; height: 74px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(80,145,192,.08);
  border: 2px solid var(--primary-600);
  color: #94d2ef;
}
.cert-zoom-frame .seal-big svg { width: 40px; height: 40px; }
.cert-zoom-frame h4 { font-size: 21px; font-weight: 800; color: #bcddea; letter-spacing: .04em; }
.cert-zoom-frame .cert-line {
  margin: 18px auto 0;
  max-width: 360px;
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--text-2);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
}
.cert-zoom-frame .cert-line b { color: var(--text-1); font-variant-numeric: tabular-nums; }
.cert-zoom-note {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--text-3);
}

/* 报告查验步骤 */
.verify-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.verify-step {
  padding: 30px 26px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .35);
  position: relative;
  counter-increment: vs;
}
.verify-step::before {
  content: "0" counter(vs);
  font-size: 44px;
  font-weight: 800;
  color: rgba(80,145,192,.12);
  position: absolute;
  right: 20px; top: 12px;
  line-height: 1;
}
.verify-step h3 { font-size: 16.5px; font-weight: 800; color: #bcddea; }
.verify-step p { margin-top: 9px; font-size: 13.5px; color: var(--text-2); }

@media (max-width: 1080px) {
  .cert-wall { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cert-wall { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .verify-steps { grid-template-columns: 1fr; }
  .step-item { grid-template-columns: 56px 1fr; gap: 14px; }
  .step-no { width: 56px; height: 56px; border-radius: 5px; font-size: 19px; }
  .step-item::before { left: 27px; top: 56px; }
  .step-body { padding: 20px 20px; }
  .pano-meta { top: 10px; left: 10px; }
  .pano-hint { bottom: 10px; font-size: 12px; padding: 7px 14px; }
}

/* ---------- 26. 检测项目列表页 ---------- */
.items-toolbar { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; box-shadow: 0 1px 3px rgba(0, 0, 0, .35); display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.items-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1 1 auto; }
.chip { border: 1px solid rgba(148, 210, 239, .2); background: #101b2d; color: var(--text-2); font-size: 14px; font-weight: 600; padding: 8px 16px; border-radius: 2px; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease); }
.chip:hover { color: var(--accent); border-color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 18px rgba(239, 136, 55, .30); }
.items-search { display: flex; align-items: center; gap: 8px; flex: 1 1 300px; min-width: 260px; border: 1.5px solid var(--line); border-radius: 4px; padding: 9px 14px; background: #0f1a2c; color: var(--text-3); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.items-search:focus-within { border-color: #94d2ef; box-shadow: 0 0 0 3px rgba(148, 210, 239, .18); background: var(--bg-card); }
.items-search input { border: 0; outline: none; background: transparent; width: 100%; font-size: 14.5px; color: var(--text-1); font-family: inherit; }
.items-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.items-count { flex-basis: 100%; font-size: 13.5px; color: var(--text-3); margin: 0; }
.items-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 1px 3px rgba(0, 0, 0, .35); background: var(--bg-card); -webkit-overflow-scrolling: touch; }
.items-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 780px; }
.items-table th { background: var(--primary-700); color: #fff; text-align: left; padding: 13px 16px; font-weight: 700; white-space: nowrap; }
.items-table td { padding: 12px 16px; border-top: 1px solid var(--line); color: var(--text-2); vertical-align: top; }
.items-table tbody tr:nth-child(even) { background: #0f1a2c; }
.items-table tbody tr { transition: background .15s var(--ease); }
.items-table tbody tr:hover { background: rgba(148, 210, 239, .06); }
.items-table td:first-child { font-weight: 700; color: var(--text-1); white-space: nowrap; }
.items-empty { text-align: center; padding: 56px 20px; border: 1.5px dashed rgba(148, 210, 239, .3); border-radius: var(--radius-lg); color: var(--text-3); background: var(--bg-card); }
.items-empty svg { color: #94d2ef; }
.items-empty p { font-size: 16px; font-weight: 700; color: var(--text-1); margin: 14px 0 4px; }
.items-empty .items-empty-tip { font-size: 14px; font-weight: 400; color: var(--text-3); margin-bottom: 18px; }

@media (max-width: 768px) {
  .items-toolbar { padding: 16px; }
  .items-search { flex-basis: 100%; }
  .items-table { min-width: 0; }
  .items-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .items-table, .items-table tbody, .items-table tr, .items-table td { display: block; width: 100%; }
  .items-table tr { border-top: 1px solid var(--line); padding: 12px 16px; }
  .items-table tbody tr:first-child { border-top: 0; }
  .items-table td { border-top: 0; padding: 3px 0; display: flex; justify-content: space-between; gap: 12px; text-align: right; }
  .items-table td:first-child { white-space: normal; color: #94d2ef; font-size: 15px; padding-bottom: 6px; display: block; }
  .items-table td[data-th]::before { content: attr(data-th); color: var(--text-3); font-weight: 500; text-align: left; flex-shrink: 0; }
}

/* ---------- 27. 浏览器兼容层 & 打印 ---------- */
/* 说明：flex 布局 gap 兼容 Chrome 84+ / Safari 14.1+ / Firefox 63+（2020 年起主流内核）；
   更老内核页面内容仍完整可读，仅部分间距退化为紧贴。 */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }
[hidden] { display: none !important; }
button, .btn, .nav-toggle, .chip { -webkit-appearance: none; appearance: none; }
button { font-family: inherit; }
input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: var(--bg-card); }
  .modal-mask { background: rgba(53, 83, 134, .55); }
}
@media print {
  .topbar, .site-header, .nav-cta, .nav-toggle, .back-top, .pano-section, .cta-band, .items-toolbar { display: none !important; }
  body { background: #fff; color: #000; }
  .items-table-wrap { overflow: visible; box-shadow: none; border-radius: 0; }
  .items-table { min-width: 0; }
  .section { padding: 18px 0; }
}

/* ---------- 28. 文章正文页 ---------- */
.article-container { max-width: none; }
.article-wrap { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 48px 52px; box-shadow: 0 1px 3px rgba(0, 0, 0, .35); }
.article-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 13.5px; color: var(--text-3); margin-bottom: 18px; }
.article-title { font-size: 30px; line-height: 1.35; color: #bcddea; margin: 0 0 16px; }
.article-lead { font-size: 16.5px; line-height: 1.8; color: var(--text-2); background: rgba(148, 210, 239, .08); border-left: 3px solid var(--accent); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 0 0 30px; }
.article-body h2 { font-size: 21px; color: #bcddea; margin: 34px 0 14px; padding-left: 12px; border-left: 4px solid var(--primary-600); line-height: 1.4; }
.article-body p { font-size: 16px; line-height: 1.95; color: var(--text-2); margin: 0 0 14px; text-align: justify; }
.article-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.article-nav-item { background: var(--bg-card); border: 1px solid var(--line); border-radius: 5px; padding: 16px 20px; text-decoration: none; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); min-width: 0; }
.article-nav-item:hover { border-color: #94d2ef; box-shadow: 0 1px 3px rgba(0, 0, 0, .35); }
.article-nav-item .dir { display: block; font-size: 12.5px; color: var(--text-3); margin-bottom: 6px; }
.article-nav-item .nav-title { display: block; font-size: 14.5px; font-weight: 600; color: var(--text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-nav-item.next { text-align: right; }
.related { margin-top: 34px; }
.related-title { font-size: 18px; color: #bcddea; margin: 0 0 16px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: 5px; padding: 18px 20px; text-decoration: none; transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease); }
.related-card:hover { border-color: var(--accent); box-shadow: 0 1px 3px rgba(0, 0, 0, .35); transform: translateY(-3px); }
.related-card h4 { font-size: 14.5px; line-height: 1.55; color: var(--text-1); margin: 10px 0 0; }
.news-link { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
.news-link:hover { color: #94d2ef; }
.copy-link { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; }
@media (max-width: 768px) {
  .article-wrap { padding: 26px 20px; }
  .article-title { font-size: 23px; }
  .article-body h2 { font-size: 18.5px; }
  .article-body p { font-size: 15px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav-item.next { text-align: left; }
  .related-grid { grid-template-columns: 1fr; }
}




/* ============================================================
   29. DARK 深色科技风主题层（v4 视觉骨架）
   深蓝黑底 + 亮蓝发光 + 橙色高能 CTA + 玻璃拟态 + 网格光效
   ============================================================ */

/* ---- 29.1 全局氛围：页面环境光 ---- */
body {
  background:
    radial-gradient(1100px 560px at 85% -8%, rgba(80, 145, 192, .16), transparent 60%),
    radial-gradient(900px 520px at -12% 12%, rgba(53, 83, 134, .22), transparent 55%),
    var(--bg-page);
}
::selection { background: var(--accent); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #0a111d; }
::-webkit-scrollbar-thumb { background: #2a3c5c; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dark); }

/* ---- 29.2 Hero：深空光场 ---- */
.hero {
  background:
    radial-gradient(920px 520px at 82% 12%, rgba(80, 145, 192, .22), transparent 62%),
    radial-gradient(680px 420px at 6% 88%, rgba(239, 136, 55, .10), transparent 58%),
    linear-gradient(160deg, #0f1a2c 0%, #0d1524 100%) !important;
  border-bottom: 1px solid rgba(148, 210, 239, .14);
}
.hero::before {
  background-image:
    linear-gradient(rgba(148, 210, 239, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 210, 239, .05) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(860px 480px at 30% 40%, #000 20%, transparent 80%);
  mask-image: radial-gradient(860px 480px at 30% 40%, #000 20%, transparent 80%);
}
.hero h1 { color: #cfe3ef; text-shadow: 0 0 34px rgba(148, 210, 239, .25); }
.hero h1 .grad { color: #94d2ef; -webkit-text-fill-color: #94d2ef; text-shadow: 0 0 30px rgba(148, 210, 239, .45); }
.hero h1 .grad::after { content: ""; }
.hero-eyebrow {
  border: 1px solid rgba(148, 210, 239, .3);
  background: rgba(148, 210, 239, .06);
  color: #bcddea;
}
.hero-sub { color: var(--text-2); }
.hero-badges { color: var(--text-2); border-top: 1px solid rgba(148, 210, 239, .14); }
.hero-card {
  background: linear-gradient(168deg, rgba(16, 28, 48, .55), rgba(10, 19, 34, .68));
  border: 1px solid rgba(148, 210, 239, .28);
  box-shadow: 0 0 44px rgba(80, 145, 192, .16), inset 0 1px 0 rgba(255, 255, 255, .06);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.hero-card-head { border-bottom: 1px solid rgba(148, 210, 239, .18); }
.hero-card-head h3 { color: #e8eff8; }
.hero-card-head span { color: var(--accent); }
.hero-stat b { color: #94d2ef; text-shadow: 0 0 18px rgba(148, 210, 239, .4); }
.hero-stat span { color: var(--text-3); }

/* ---- 29.3 导航：深玻璃 + 橙色高亮 ---- */
.site-header {
  background: rgba(10, 17, 29, .86);
  border-bottom: 1px solid rgba(148, 210, 239, .14);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.site-header.is-scrolled { box-shadow: 0 0 0 1px rgba(148, 210, 239, .12), 0 10px 30px rgba(0, 0, 0, .4); }
.brand-name .cn { color: #cfe3ef; }
.brand-name .en { color: var(--text-3); }
.nav-menu a { color: var(--text-2); }
.nav-menu a:hover { color: #cfe3ef; }
.nav-menu a.active { color: #fff; }
.nav-menu a::after { background: linear-gradient(90deg, var(--accent), #efb34b); }
.nav-cta .btn { box-shadow: 0 0 18px rgba(239, 136, 55, .3); }
.topbar { background: #0a111d; border-bottom: 1px solid rgba(239, 136, 55, .35); }

/* ---- 29.4 按钮：橙色高能 ---- */
.btn-primary {
  background: linear-gradient(135deg, #efb34b, #ef8837);
  box-shadow: 0 0 22px rgba(239, 136, 55, .35);
}
.btn-primary:hover { box-shadow: 0 0 30px rgba(239, 136, 55, .55); transform: translateY(-2px); }
.btn-outline { color: #bcddea; border-color: rgba(148, 210, 239, .45); background: transparent; }
.btn-outline:hover { background: rgba(148, 210, 239, .1); border-color: #94d2ef; }
.btn-light { background: #cfe3ef; color: #16233a; }
.btn-light:hover { background: #cfe3ef; }
.btn-ghost { color: #cfe3ef; border: 1.5px solid rgba(255, 255, 255, .3); }

/* ---- 29.5 卡片：发光边框 ---- */
.news-page-card:hover, .cert-doc:hover, .related-card:hover,
.why-card:hover, .flow-step:hover, .step-body:hover {
  box-shadow: 0 0 0 1px rgba(148, 210, 239, .35), 0 12px 34px rgba(0, 0, 0, .45);
  transform: translateY(-4px);
}
.news-page-card, .cert-doc, .related-card, .why-card, .flow-step, .step-body,
.svc-main, .items-toolbar, .article-wrap, .items-table-wrap, .article-nav-item {
  border-color: rgba(148, 210, 239, .16);
}
.section { position: relative; }
.section-head { border-top: none; padding-top: 0; }
.section-eyebrow { color: var(--accent); }
.section-eyebrow::before { content: ""; }
.section-title { color: #cfe3ef; }
.section-title::after {
  background: linear-gradient(90deg, var(--accent) 0 46px, rgba(148, 210, 239, .5) 46px);
}
.stat-item b { color: #94d2ef; text-shadow: 0 0 22px rgba(148, 210, 239, .45); }
.stats-section { border-block: 1px solid rgba(148, 210, 239, .14); background: rgba(148, 210, 239, .03); }

/* ---- 29.6 组件细节 ---- */
.items-table th {
  background: rgba(148, 210, 239, .10);
  color: #bcddea;
  border-bottom: 1px solid rgba(148, 210, 239, .3);
}
.items-table th + th { border-left: 1px solid rgba(148, 210, 239, .16); }
.items-table tbody tr:nth-child(even) { background: rgba(148, 210, 239, .03); }
.items-table tbody tr:hover { background: rgba(239, 136, 55, .08); }
.chip { background: rgba(148, 210, 239, .05); border-color: rgba(148, 210, 239, .22); color: var(--text-2); }
.chip:hover { color: #94d2ef; border-color: #94d2ef; }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 0 16px rgba(239, 136, 55, .4); }
.modal { background: #101b2d; border: 1px solid rgba(148, 210, 239, .25); }
.modal-mask { background: rgba(5, 9, 16, .72); }
.pano-frame { border: 1px solid rgba(148, 210, 239, .3); box-shadow: 0 0 40px rgba(80, 145, 192, .18); }
.pano-hint { background: rgba(10, 17, 29, .78); border: 1px solid rgba(148, 210, 239, .3); }
.pano-meta { background: rgba(10, 17, 29, .78); border: 1px solid rgba(239, 136, 55, .45); }
.cta-band {
  background: linear-gradient(120deg, #14213a, #0f1a2c);
  border: 1px solid rgba(148, 210, 239, .2);
  box-shadow: 0 0 40px rgba(80, 145, 192, .12);
}
.site-footer { background: #0a111d; border-top: 1px solid rgba(148, 210, 239, .16); }
.footer-cert span { background: rgba(148, 210, 239, .07); border: 1px solid rgba(148, 210, 239, .2); color: #bcddea; }
.page-hero {
  background:
    radial-gradient(700px 380px at 78% 20%, rgba(80, 145, 192, .2), transparent 60%),
    linear-gradient(150deg, #101c30, #0d1524);
  border-bottom: 1px solid rgba(148, 210, 239, .14);
}
.page-hero h1 { color: #cfe3ef; }
.crumbs .current { color: var(--accent); }
.crumbs a { color: var(--text-3); }
.tag { background: rgba(239, 136, 55, .12); color: #efb34b; border: 1px solid rgba(239, 136, 55, .3); }
.article-lead { background: rgba(148, 210, 239, .07); border-left: 3px solid var(--accent); color: var(--text-2); }
.article-body h2 { color: #cfe3ef; }
.article-body h2::before { background: var(--accent); }
.step-no { background: rgba(239, 136, 55, .1); border: 1px solid rgba(239, 136, 55, .4); color: #efb34b; }
.faq-item { background: var(--bg-card); border: 1px solid rgba(148, 210, 239, .16); }
.verifyResult, .verify-ok { }
.back-top { background: var(--bg-card); border: 1px solid rgba(148, 210, 239, .3); color: #94d2ef; }
.back-top:hover { background: var(--accent); color: #fff; }
.form-field input, .form-field textarea, .form-field select { background: #0f1a2c; border-color: rgba(148, 210, 239, .22); color: #e8eff8; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: #94d2ef; }
.form-field select { color: #e8eff8; }
.err { color: #ff8f8f; }

/* 合作伙伴轮播不受减弱动效影响 */
@media (prefers-reduced-motion: reduce) {
  .partners-track { animation-duration: 36s !important; animation-iteration-count: infinite !important; }
}

/* ---------- 404 页面 ---------- */
.error-404 { min-height: calc(100dvh - 300px); display: flex; align-items: center; }
.error-404 .container { text-align: center; max-width: 760px; }
.err-404-code {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(88px, 14vw, 140px);
  font-weight: 800;
  line-height: 1;
  color: rgba(148, 210, 239, .16);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}
.err-flask-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(64px, 9vw, 96px);
  height: clamp(64px, 9vw, 96px);
  border-radius: 22px;
  background: linear-gradient(140deg, rgba(80, 145, 192, .16), rgba(239, 136, 55, .18));
  border: 1px solid rgba(148, 210, 239, .22);
  color: #94d2ef;
}
.err-flask-icon svg { width: 58%; height: 58%; }
.err-404-text h1 {
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 800;
  color: #bcddea;
  margin-top: 18px;
}
.err-404-text > p {
  margin: 14px auto 0;
  font-size: 15px;
  color: var(--text-2);
  max-width: 460px;
  line-height: 1.8;
}
.err-404-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.err-404-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.err-404-links span { font-size: 13px; color: var(--text-3); }
.err-404-links a {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-card);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.err-404-links a:hover { color: #94d2ef; border-color: rgba(148, 210, 239, .38); }
@media (max-width: 768px) {
  .err-404-actions .btn { flex: 1 1 auto; }
}