/* ============================================
   广州新益检验认证技术有限公司 官网
   主样式表  style.css
   ============================================ */

:root {
  /* 主色：亮蓝 #00a0f0（占比 60%~70%） → 辅色：青 #00c8c8 */
  --primary: #00a0f0;          /* 主色 亮蓝 */
  --primary-dark: #0088cc;
  --primary-darker: #006ca8;
  --accent: #00c8c8;           /* 辅色 青 */
  --accent-light: #4dd9d9;
  --accent-soft: #e0f7f7;

  /* 中性色 */
  --bg: #ffffff;
  --bg-alt: #f4fafc;
  --bg-dark: #033a5c;
  --bg-overlay: rgba(3, 58, 92, 0.78);

  --text: #16242c;
  --text-soft: #3f555f;
  --text-mute: #6e838e;
  --text-on-dark: #eaf6fb;
  --text-on-dark-soft: #b7d6e8;

  --border: #d5e7f0;
  --border-soft: #ecf4f8;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 108, 168, 0.06);
  --shadow: 0 4px 16px rgba(0, 108, 168, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 108, 168, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 108, 168, 0.18);

  /* 圆角 */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* 字体 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               "Helvetica Neue", Arial, sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
                  "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, monospace;

  /* 布局 */
  --container: 1200px;
  --header-h: 76px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   重置
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, picture, svg { max-width: 100%; display: block; }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.screen-reader-text { /* 兼容旧类名 */ }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.6em;
}
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.5em; }

/* ============================================
   通用容器
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section--alt { background: var(--bg-alt); }
.section--dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.section--dark h2, .section--dark h3 { color: #fff; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head__kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 16px;
  color: var(--primary-dark);
}
.section-head p {
  font-size: 17px;
  color: var(--text-soft);
  margin: 0;
}
.section--dark .section-head h2 { color: #fff; }
.section--dark .section-head p { color: var(--text-on-dark-soft); }

/* ============================================
   按钮
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn--accent {
  background: var(--accent);
  color: var(--primary-darker);
  border-color: var(--accent);
}
.btn--accent:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--primary-darker);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--ghost:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}
.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline:hover {
  background: var(--primary);
  color: #fff;
}

/* ============================================
   顶部导航
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 18px;
}
.nav__brand img { height: 42px; width: auto; }
.nav__brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary-dark);
  white-space: nowrap;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav__menu a {
  display: inline-block;
  padding: 10px 16px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav__menu a:hover,
.nav__menu a.is-active {
  color: var(--primary);
}
.nav__menu a.is-active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav__cta {
  margin-left: 12px;
  padding: 9px 20px !important;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 600 !important;
}
.nav__cta:hover { background: var(--primary-dark) !important; }
.nav__cta::after { display: none !important; }

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  width: 40px; height: 40px;
  padding: 0;
  color: var(--primary-dark);
}
.nav__toggle span {
  display: block;
  width: 24px; height: 2px;
  background: currentColor;
  margin: 5px auto;
  border-radius: 2px;
  transition: all var(--transition);
}
/* span 间距：margin 5px + 高 2px → 相邻条中心距 12px，打开时两条线需平移 12px 才能在中心交叉成 × */
.nav__toggle.is-open span:nth-child(1) { transform: translateY(12px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-12px) rotate(-45deg); }

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .site-header { height: var(--header-h); }
  .nav__toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 0 0 auto; margin-left: auto; position: relative; z-index: 50; }
  .nav { gap: 8px; height: 100%; }
  .nav__brand {
    flex: 1 1 auto;
    min-width: 0;
    position: relative;
    z-index: 50;
    gap: 8px;
    overflow: hidden;
    height: 100%;
    align-items: center;
  }
  .nav__brand img { height: 30px; width: auto; flex: 0 0 auto; }
  .nav__brand-text {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1 1 auto;
  }
  .nav__menu {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 0 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition), visibility 0s linear var(--transition);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    z-index: 40;
  }
  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform var(--transition), opacity var(--transition), visibility 0s linear 0s;
  }
  .nav__menu a {
    padding: 14px 24px;
    border-radius: 0;
  }
  .nav__menu a.is-active::after { display: none; }
  .nav__cta { margin: 8px 24px 0; text-align: center; display: block; width: auto; }
}

/* ============================================
   Hero（首页主视觉）
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  padding-top: var(--header-h);
  overflow: hidden;
  background: linear-gradient(135deg, #00a0f0 0%, #00a0f0 60%, #00c8c8 100%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--hero-bg, url("/uploads/images/hero-lab.jpg")) center/cover no-repeat;
  opacity: 0.42;
  mix-blend-mode: luminosity;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 200, 200, 0.35) 0%, transparent 60%),
    linear-gradient(180deg, rgba(3, 58, 92, 0.55) 0%, rgba(3, 58, 92, 0.85) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}
.hero__content { max-width: 720px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero__eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.hero h1 {
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 1.15;
  color: #fff;
  margin: 0 0 24px;
  font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent-light), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  max-width: 640px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.hero-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.hero-stat:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}
.hero-stat__num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.hero-stat__num span { font-size: 18px; font-weight: 500; opacity: 0.7; }
.hero-stat__label { font-size: 14px; color: rgba(255, 255, 255, 0.8); }

@media (max-width: 960px) {
  .hero { min-height: auto; padding: calc(var(--header-h) + 40px) 0 60px; }
  .hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .hero__stats { grid-template-columns: 1fr; }
}

/* ============================================
   通用页面头部（非首页）
   ============================================ */
.page-head {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: calc(var(--header-h) + 70px) 0 80px;
  text-align: center;
  overflow: hidden;
}
.page-head::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(0, 200, 200, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 200, 200, 0.18) 0%, transparent 50%);
}
.page-head__inner { position: relative; z-index: 2; }
.page-head h1 {
  font-size: clamp(30px, 4.4vw, 46px);
  color: #fff;
  margin: 0 0 12px;
}
.page-head p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  margin: 0 auto;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  list-style: none; padding: 0;
}
.breadcrumb li + li::before { content: "/"; margin-right: 8px; opacity: 0.5; }
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: #fff; }

/* ============================================
   卡片
   ============================================ */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

.grid {
  display: grid;
  gap: 28px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* ============================================
   服务卡片
   ============================================ */
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  border-color: var(--accent-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 22px;
}
.service-card h3 {
  font-size: 20px;
  color: var(--primary-dark);
  margin: 0 0 12px;
}
.service-card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.service-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.service-card__list li {
  font-size: 13px;
  color: var(--text-soft);
  background: var(--bg-alt);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
}

/* ============================================
   实验室图网格
   ============================================ */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.lab-tile {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
  cursor: pointer;
}
.lab-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.lab-tile:hover img { transform: scale(1.06); }
.lab-tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(3, 58, 92, 0.85) 100%);
}
.lab-tile__label {
  position: absolute;
  left: 16px; right: 16px;
  bottom: 14px;
  z-index: 2;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
@media (max-width: 960px) { .lab-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .lab-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================
   数据条
   ============================================ */
.stats-bar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 60px 0;
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item__num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item__label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}
@media (max-width: 720px) {
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); gap: 36px 16px; }
}

/* ============================================
   客户评价
   ============================================ */
.testimonial {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  border: 1px solid var(--border-soft);
}
.testimonial::before {
  content: """;
  position: absolute;
  top: 8px; left: 22px;
  font-family: Georgia, serif;
  font-size: 90px;
  line-height: 1;
  color: var(--accent-light);
  opacity: 0.5;
}
.testimonial p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
  margin: 0;
  font-style: italic;
}
.testimonial__cite {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: 12px;
  font-style: normal;
  color: var(--text-mute);
  font-size: 14px;
}
.testimonial__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 15px;
}

/* ============================================
   时间线 / 流程图
   ============================================ */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 28px 20px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  position: relative;
  transition: all var(--transition);
}
.process-step:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.process-step__num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 20px;
  margin: 0 auto 18px;
}
.process-step h4 {
  font-size: 17px;
  color: var(--primary-dark);
  margin: 0 0 8px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0;
}
@media (max-width: 960px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .process { grid-template-columns: 1fr; } }

/* ============================================
   资质证书展示
   ============================================ */
.cert-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: start;
}
.cert-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}
.cert-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}
.cert-card__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  letter-spacing: 0.05em;
}
.cert-card__name {
  font-size: 20px;
  color: var(--primary-dark);
  margin: 0;
  font-weight: 700;
}
.cert-card__name small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.cert-card__meta {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}
.cert-card__meta li {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border-soft);
}
.cert-card__meta li:last-child { border-bottom: 0; }
.cert-card__meta b {
  color: var(--text);
  font-weight: 600;
}
.cert-card__meta span { color: var(--text-mute); }
.cert-card__image {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.cert-card__image img { width: 100%; height: auto; }

@media (max-width: 800px) {
  .cert-showcase { grid-template-columns: 1fr; }
}

/* ============================================
   内容文章
   ============================================ */
.prose {
  max-width: 880px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}
.prose h2 {
  font-size: 28px;
  color: var(--primary-dark);
  margin: 48px 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-soft);
}
.prose h3 {
  font-size: 20px;
  color: var(--primary-dark);
  margin: 32px 0 12px;
}
.prose h4 {
  font-size: 17px;
  color: var(--text);
  margin: 24px 0 8px;
}
.prose p { margin: 0 0 1em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.6em; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.prose blockquote {
  margin: 24px 0;
  padding: 18px 24px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--primary-darker);
}

/* ============================================
   联系页
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch; /* 两块等高，视觉更整齐 */
}
.contact-info {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  position: relative;
  overflow: hidden;
}
.contact-info::before {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(0, 200, 200, 0.25);
  filter: blur(20px);
}
.contact-info h2 {
  color: #fff;
  font-size: 28px;
  margin: 0 0 30px;
  position: relative;
}
.contact-info dl {
  margin: 0;
  display: grid;
  gap: 24px;
  position: relative;
}
.contact-info dt {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.contact-info dd {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  line-height: 1.5;
}
.contact-info dd a { color: #fff; }
.contact-info dd a:hover { color: var(--accent-light); }

.contact-aside {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  /* 与左侧「联系信息」等宽等高，内容垂直居中 */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.contact-aside h3 {
  color: var(--primary-dark);
  margin: 0 0 22px;
  font-size: 24px;
}
.contact-aside p {
  color: var(--text-soft);
  margin: 0 0 24px;
  font-size: 14px;
}
/* 联系侧栏内的二维码图片（防止高分辨率图片撑大布局） */
.contact-aside img {
  max-width: 240px;
  height: auto;
  display: inline-block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}
.qr-card {
  display: inline-block;
  background: #fff;
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
}
.qr-card img { max-width: 240px; height: auto; }

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CTA 模块
   ============================================ */
.cta-block {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse, rgba(0, 200, 200, 0.3) 0%, transparent 60%);
}
.cta-block__inner { position: relative; z-index: 2; }
.cta-block h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 12px;
}
.cta-block p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 28px;
}
.cta-block .btn--accent {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}
.cta-block .btn--accent:hover {
  background: var(--accent-light);
  color: var(--primary-darker);
  border-color: var(--accent-light);
}

/* ============================================
   Tab 切换（服务/认证详情）
   ============================================ */
.tabs {
  margin: 40px 0 0;
}
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 32px;
}
.tabs__btn {
  background: none;
  border: 0;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  cursor: pointer;
  position: relative;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.tabs__btn:hover { color: var(--primary); }
.tabs__btn.is-active {
  color: var(--primary-dark);
  border-bottom-color: var(--accent);
}
.tabs__panel { display: none; animation: fadeIn 0.4s ease; }
.tabs__panel.is-active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   手风琴（FAQs）
   ============================================ */
.faq {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq[open] { box-shadow: var(--shadow); border-color: var(--accent-light); }
.faq summary {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq[open] summary::after { content: "−"; }
.faq summary:hover { background: var(--bg-alt); }
.faq__body {
  padding: 0 28px 24px;
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 15px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin: 0 0 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  background: var(--accent);
}
.footer-col p, .footer-col li {
  color: var(--text-on-dark-soft);
  font-size: 14px;
  line-height: 1.85;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-on-dark-soft); }
.footer-col a:hover { color: var(--accent-light); }
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer__brand img {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
.footer__brand span { color: #fff; font-weight: 700; font-size: 18px; }
.footer-contact dt { color: var(--accent-light); font-size: 12px; margin-top: 12px; text-transform: uppercase; letter-spacing: 0.1em; }
.footer-contact dd { margin: 4px 0 0; color: #fff; font-size: 14px; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  font-size: 13px;
  color: var(--text-on-dark-soft);
  text-align: center;
}
.footer-bottom a { color: var(--text-on-dark-soft); }
.footer-bottom a:hover { color: var(--accent-light); }
.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.footer-bottom img { display: inline; height: 14px; vertical-align: middle; margin-right: 4px; }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================
   微信浮动按钮
   ============================================ */
.float-actions {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.float-btn {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.float-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.08);
}
.float-btn[data-tooltip] {
  position: relative;
}
.float-btn[data-tooltip]:hover::before {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 8px);
  top: 50%; transform: translateY(-50%);
  white-space: nowrap;
  background: var(--text);
  color: #fff;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 4px;
  pointer-events: none;
}
.float-btn--qr::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* QR 弹窗 */
.qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}
.qr-modal.is-open { display: flex; opacity: 1; }
.qr-modal__panel {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  position: relative;
}
.qr-modal__close {
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 0;
  color: var(--text-soft);
  font-size: 18px;
}
.qr-modal__close:hover { background: var(--border); }
.qr-modal__panel img { max-width: 260px; margin: 0 auto 16px; }
.qr-modal__panel h4 { color: var(--primary-dark); margin: 0 0 6px; }
.qr-modal__panel p { color: var(--text-soft); font-size: 14px; margin: 0; }

/* 二维码弹窗：支持「公众号 + 微信客服」两张码并排 */
.qr-modal__panel--n2 { max-width: 560px; }
.qr-modal--single .qr-modal__panel { max-width: 360px; }
.qr-modal__items {
  display: flex;
  gap: 28px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 18px;
}
.qr-modal__item { flex: 0 1 200px; min-width: 140px; }
.qr-modal__panel .qr-modal__item img {
  width: 100%;
  max-width: 200px;
  height: auto;
  margin: 0 0 10px;
  border-radius: 8px;
}
.qr-modal__label { font-weight: 600; color: var(--primary-dark); font-size: 15px; margin-bottom: 4px; }
.qr-modal__desc { font-size: 13px; }
.qr-modal__tip { margin-top: 16px !important; font-size: 13px; color: var(--text-mute); }
@media (max-width: 540px) {
  .qr-modal__items { gap: 18px; }
  .qr-modal__item { flex: 1 1 130px; min-width: 120px; }
}

/* 内联双二维码（页脚 / 联系我们侧栏） */
.qr-pair {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 14px;
}
.qr-pair__item {
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  padding: 8px 8px 6px;
  width: 96px;
  box-sizing: border-box;
  box-shadow: var(--shadow-sm);
}
.qr-pair__img { display: block; }
.qr-pair__img img { display: block; width: 100%; height: auto; border-radius: 4px; }
.qr-pair__cap {
  margin-top: 6px;
  text-align: center;
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-soft);
}
/* 页脚二维码卡片是白底，说明文字必须用深色（此前误用白色导致看不清） */
.qr-pair--footer .qr-pair__cap { color: var(--text); font-weight: 600; }
.qr-pair--footer .qr-pair__item a,
.qr-pair--footer .qr-pair__item figcaption { color: var(--text); }
.qr-pair--contact {
  justify-content: center;
  gap: 24px;
  margin-top: 4px;
}
.qr-pair--contact .qr-pair__item { width: 168px; padding: 14px 14px 12px; box-shadow: var(--shadow); }
.qr-pair--contact .qr-pair__cap { font-size: 13px; font-weight: 600; color: var(--text); }
@media (max-width: 540px) {
  .qr-pair--contact { gap: 16px; }
  .qr-pair--contact .qr-pair__item { width: 130px; }
}

/* ============================================
   工具
   ============================================ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.divider {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 0 auto 20px;
}

/* 滚动条入场动画 */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* 选区颜色 */
::selection {
  background: var(--accent);
  color: var(--primary-darker);
}

/* 提示消息条（报告查询 / 表单反馈） */
.flash {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid transparent;
}
.flash--success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}
.flash--error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}
.flash--info {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--primary-darker);
}

/* 报告状态徽标 */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--primary-darker);
  font-size: 13px;
  font-weight: 600;
}
/* 报告状态颜色（与后台 tag--* 保持一致） */
.badge--ok { background: #ecfdf5; color: #065f46; }
.badge--warn { background: #fffbeb; color: #92400e; }
.badge--info { background: #e0f7f7; color: #006ca8; }
.badge--danger { background: #fef2f2; color: #991b1b; }
.badge--mute { background: #f3f4f6; color: #4b5563; }

/* ============================================
   企业动态 / 行业动态（文章列表与详情）
   ============================================ */
.news-cats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.news-cats a {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.news-cats a:hover { border-color: var(--accent); color: var(--primary); }
.news-cats a.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}
.news-card__thumb {
  height: 180px;
  background: var(--bg-alt);
  overflow: hidden;
}
.news-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card__body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card__meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 12px;
}
.news-card__cat {
  background: var(--accent-soft);
  color: var(--primary-darker);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.news-card h3 { font-size: 18px; margin: 0 0 10px; color: var(--primary-dark); line-height: 1.45; }
.news-card h3 a { color: inherit; }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { font-size: 14px; color: var(--text-soft); margin: 0 0 16px; flex: 1; }
.news-card__more { font-size: 14px; font-weight: 600; color: var(--primary); }

/* 文章详情 */
.article { max-width: 880px; margin: 0 auto; }
.article__head { margin-bottom: 32px; }
.article__head h1 { font-size: clamp(26px, 4vw, 36px); color: var(--primary-dark); margin: 0 0 14px; }
.article__meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 13px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}
.article__meta .news-card__cat { font-size: 12px; }
.article__cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 32px; }
.article__cover img { width: 100%; height: auto; }
.article__back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 24px; font-size: 14px; }

/* 通用分页（企业动态列表等） */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.pagination a, .pagination span {
  display: inline-block;
  min-width: 36px;
  padding: 7px 12px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-soft);
  background: #fff;
}
.pagination a:hover { border-color: var(--accent); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }
.pagination .disabled { color: var(--text-mute); background: var(--bg-alt); }
.pagination .ellipsis { border: none; background: transparent; min-width: auto; padding: 7px 4px; }

@media (max-width: 960px) {
  .news-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .news-list { grid-template-columns: 1fr; }
}

/* ==================== 报告 / 证书查询面板切换 ==================== */
.query-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  padding: 5px;
  background: var(--bg-alt, #f1f5f9);
  border: 1px solid var(--border-soft, #e2e8f0);
  border-radius: 10px;
}
.query-tab {
  flex: 1;
  padding: 10px 14px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-soft, #475569);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.query-tab:hover { color: var(--primary, #00a0f0); }
.query-tab[aria-selected="true"] {
  background: #fff;
  color: var(--primary-dark, #0b6fa4);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .10);
}
.query-panel[hidden] { display: none !important; }

/* ==================== 查询结果信息表（报告 / 证书共用） ====================
 * 用 class 取代原先逐行内联的 flex 写法：
 *   1) 修掉因标签结构错误导致内容溢出卡片的 bug；
 *   2) .qinfo__v 设 min-width:0 + overflow-wrap，长文本（检测标准、型号等）
 *      会自动换行而不是把卡片撑破；
 *   3) 窄屏（≤480px）下「键」允许换行，避免标签本身占满一整行右侧无空间。
 * ========================================================================== */
.qinfo {
  margin: 0;
  padding: 8px 20px;
}

.qinfo__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-soft, #e2e8f0);
}

.qinfo__row:last-child {
  border-bottom: none;
}

.qinfo__k {
  flex: 0 0 auto;
  color: var(--text-mute, #64748b);
  font-size: 14px;
  line-height: 1.65;
}

.qinfo__v {
  flex: 1 1 auto;
  min-width: 0;                 /* 关键：允许在 flex 中收缩，否则长内容撑破卡片 */
  margin: 0;
  text-align: right;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.qinfo__v.is-strong { font-weight: 600; }

@media (min-width: 481px) {
  .qinfo__k { white-space: nowrap; }
}

@media (max-width: 480px) {
  .qinfo { padding: 6px 14px; }
  .qinfo__row { gap: 10px; }
  .qinfo__k { flex: 0 0 84px; }
  .qinfo__v { text-align: left; }
}