@charset "utf-8";

/* =========================================================
   AA检测 AA TESTING — 学术风站点样式
   纯色无渐变 / 深蓝白 / 细分隔线 / 大留白
   ========================================================= */

:root {
  --navy: #0e2a47;
  --navy-deep: #07182a;
  --steel: #5a6b7c;
  --steel-light: #8b99a7;
  --teal: #1f7a8c;
  --line: #dde3e9;
  --line-soft: #eceff2;
  --bg-soft: #f4f6f8;
  --bg-tint: #eef2f6;
  --white: #ffffff;
  --max: 1280px;
  --gap: 32px;
  --header-h: 92px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
  color: var(--navy);
  background: var(--white);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

/* ------- 通用 ------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--bg-tint); }

.sec-head { margin-bottom: 48px; }
.sec-head__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sec-head__title {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.sec-head__desc {
  margin-top: 14px;
  max-width: 720px;
  color: var(--steel);
  font-size: 15px;
}
.sec-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}
.sec-head--split .more {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--steel);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  white-space: nowrap;
}
.sec-head--split .more:hover { color: var(--navy); border-color: var(--navy); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.1em;
  border-radius: 2px;
  border: 1px solid var(--navy);
  transition: background .2s, color .2s;
}
.btn:hover { background: var(--teal); border-color: var(--teal); }
.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn--ghost:hover { background: transparent; color: var(--teal); border-color: var(--teal); }
.btn .fa { font-size: 13px; }

/* ------- 顶部信息条 ------- */
.topbar {
  background: var(--navy);
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  letter-spacing: .02em;
}
.topbar__inner {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar__left { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__right { display: flex; align-items: center; gap: 26px; flex: none; }
.topbar__tel { color: var(--white); display: inline-flex; align-items: center; gap: 8px; }
.topbar__tel strong { font-weight: 600; letter-spacing: .04em; }

/* 语言下拉 */
.lang { position: relative; }
.lang--top { display: none; }
.globe { width: 24px; height: 24px; flex: none; display: block; }
.lang--top .globe { width: 18px; height: 18px; }
.lang__toggle {
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}
.lang__toggle:hover { color: var(--white); }
.lang__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 132px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 6px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .18s, transform .18s, visibility .18s;
  z-index: 60;
}
.lang__menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang__menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  font-size: 13px;
  color: var(--steel);
}
.lang__menu a:hover { background: var(--bg-soft); color: var(--navy); }
.lang__menu a.is-active { color: var(--navy); font-weight: 600; }

/* 导航栏右侧语言入口（悬浮即展开） */
.head-lang { position: relative; display: flex; align-items: center; justify-self: end; }
.head-lang__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--navy);
  cursor: default;
  transition: color .2s;
}
.head-lang:hover .head-lang__toggle { color: var(--teal); }
.head-lang .globe { opacity: .8; }
.head-lang:hover .globe { opacity: 1; }
.head-lang .lang__menu { top: 100%; right: -6px; margin-top: 8px; z-index: 3; }
.head-lang::after {
  content: "";
  position: absolute;
  left: -14px;
  right: -14px;
  top: 100%;
  height: 10px;
}
.head-lang:hover .lang__menu,
.head-lang:focus-within .lang__menu { opacity: 1; visibility: visible; transform: translateY(0); }

/* ------- 头部 ------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  height: var(--header-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 24px;
}
.logo { display: flex; align-items: center; flex: none; justify-self: start; }
.logo img { height: 82px; width: auto; }

.nav { display: flex; align-items: center; justify-self: center; }
.nav__list { display: flex; align-items: center; gap: 8px; }
.nav__list li a {
  display: block;
  position: relative;
  padding: 10px 15px;
  font-size: 16px;
  color: var(--navy);
  letter-spacing: .04em;
  white-space: nowrap;
}
.nav__list li a:hover { color: var(--teal); }
.nav__list li a.is-active { font-weight: 600; }
.nav__list li a.is-active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--teal);
}

/* ---- 关于我们：桌面二级导航 ---- */
.nav__item--sub { position: relative; }
.nav__item--sub > a { display: flex; align-items: center; }
.nav__item--sub > a .fa {
  font-size: 12px;
  margin-left: 6px;
  color: var(--steel-light);
  transition: transform .2s, color .2s;
}
.nav__item--sub:hover > a .fa { transform: rotate(180deg); color: var(--teal); }
.nav__sub {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 190px;
  padding: 6px 0;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(7, 24, 42, .1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 40;
}
.nav__item--sub:hover .nav__sub,
.nav__item--sub:focus-within .nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__list .nav__sub a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--navy);
  letter-spacing: .02em;
  border-left: 2px solid transparent;
  transition: background .18s, color .18s, border-color .18s;
}
.nav__list .nav__sub a:hover {
  background: var(--bg-soft);
  color: var(--teal);
  border-left-color: var(--teal);
}
.nav__list .nav__sub a::after { display: none; }
.nav__sub::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: 18px;
}

/* 移动端菜单 */
.mnav {
  display: none;
  position: fixed;
  inset: 0;
  top: 0;
  background: var(--white);
  z-index: 90;
  padding: 20px 24px 40px;
  overflow-y: auto;
}
.mnav.is-open { display: block; }
.mnav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 8px;
}
.mnav__head img { height: 38px; width: auto; }
.mnav__close { font-size: 22px; color: var(--steel); padding: 6px; }
.mnav__list li { border-bottom: 1px solid var(--line-soft); }
.mnav__list li a {
  display: block;
  padding: 16px 4px;
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--navy);
}
.mnav__list li a.is-active { color: var(--teal); font-weight: 600; }

/* ---- 关于我们：移动端二级菜单 ---- */
.mnav__sub-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 4px;
  font-family: inherit;
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--navy);
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
}
.mnav__sub-toggle .fa {
  font-size: 12px;
  color: var(--steel-light);
  transition: transform .22s;
}
.mnav__item--sub.is-open .mnav__sub-toggle .fa { transform: rotate(180deg); }
.mnav__sub { display: none; padding: 0 0 10px 18px; border-left: 2px solid var(--line-soft); margin-left: 4px; }
.mnav__item--sub.is-open .mnav__sub { display: block; }
.mnav__list .mnav__sub a {
  display: block;
  padding: 11px 4px;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--steel);
}
.mnav__list .mnav__sub a:hover { color: var(--teal); }

.mnav__foot { margin-top: 28px; font-size: 14px; color: var(--steel); line-height: 1.9; }
.mnav__foot strong { color: var(--navy); }

/* ------- 首页轮播 ------- */
.slider {
  position: relative;
  background: var(--bg-tint);
  overflow: hidden;
}
.slide {
  position: relative;
  display: none;
  height: 590px;
  align-items: stretch;
}
.slide.is-active { display: block; }
.slide__media { position: absolute; inset: 0; }
.slide__media img { width: 100%; height: 100%; object-fit: cover; }
.slide__scrim {
  position: absolute;
  inset: 0;
  background: rgba(9, 26, 44, .58);
}
.slide__content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gap);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
}
.slide__eyebrow {
  font-size: 12px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .74);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.slide__title {
  font-size: 46px;
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: .02em;
  max-width: 620px;
}
.slide__desc {
  margin-top: 22px;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .86);
}
.slide__actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.slide__actions .btn { background: var(--white); color: var(--navy); border-color: var(--white); }
.slide__actions .btn:hover { background: var(--teal); color: var(--white); border-color: var(--teal); }
.slide__actions .btn--line {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .5);
}
.slide__actions .btn--line:hover { border-color: var(--white); color: var(--white); background: transparent; }

.slider__dots {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 4;
}
.slider__dots button {
  width: 34px;
  height: 3px;
  background: rgba(255, 255, 255, .4);
  transition: background .2s;
}
.slider__dots button.is-active { background: var(--white); }
.slider__arrows {
  position: absolute;
  right: 84px;
  bottom: 26px;
  display: flex;
  gap: 8px;
  z-index: 4;
}
.slider__arrows button {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, .34);
  color: var(--white);
  font-size: 14px;
  transition: background .2s, border-color .2s;
}
.slider__arrows button:hover { background: rgba(255, 255, 255, .16); border-color: var(--white); }

/* ------- 数据条 ------- */
/* ------- 服务承诺条 ------- */
.promise {
  background: var(--bg-tint);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.promise__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.promise__item { padding: 30px 40px 32px; border-right: 1px solid var(--line); transition: transform .22s; }
.promise__item:hover { transform: translateY(-3px); }
.promise__item:first-child { padding-left: 0; }
.promise__item:last-child { border-right: 0; padding-right: 0; }
.promise__head { display: flex; align-items: center; gap: 14px; }
.promise__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: var(--white);
  font-size: 16px;
  transition: background .22s, transform .22s;
}
.promise__item:hover .promise__ico { background: var(--teal); transform: translateY(-2px); }
.promise__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy);
  line-height: 1.35;
  transition: color .2s;
}
.promise__item:hover .promise__title { color: var(--teal); }
.promise__title em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.promise__desc { margin-top: 12px; font-size: 13px; line-height: 1.8; color: var(--steel); }

/* ------- 我们的优势（浅灰小卡片） ------- */
.edge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.edge__media { overflow: hidden; border-radius: 10px; }
.edge__media img { display: block; width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; }
.edge__list { display: grid; }
.edge__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}
.edge__item:first-child { border-top: 0; padding-top: 2px; }
.edge__ic {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.edge__ic .fa { font-size: 22px; }
.edge__title { font-size: 16.5px; font-weight: 600; line-height: 1.45; color: var(--navy); }
.edge__desc { margin-top: 7px; font-size: 13px; color: var(--steel); line-height: 1.85; }

/* ------- 服务卡片 ------- */
.cards { display: grid; gap: 28px; }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }

/* ---- 资质荣誉 ---- */
.cred {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 30px 26px 0;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .2s, box-shadow .2s;
}
.cred:hover {
  border-color: #c8d4df;
  box-shadow: 0 14px 30px rgba(7, 24, 42, .07);
}
.cred__ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: 19px;
}
.cred__title { font-size: 17px; font-weight: 600; color: var(--navy); letter-spacing: .01em; }
.cred__en {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.cred__desc {
  flex: 1 1 auto;
  margin-top: 14px;
  padding-bottom: 22px;
  font-size: 13px;
  line-height: 1.92;
  color: var(--steel);
}
.cred__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 13px 0 15px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
}
.cred__meta span { color: var(--steel-light); letter-spacing: .08em; }
.cred__meta em { font-style: normal; color: var(--navy); letter-spacing: .04em; }
.cred--img { padding: 0; overflow: hidden; }
.cred__media { overflow: hidden; background: var(--bg-soft); }
.cred__media img { display: block; width: 100%; transition: transform .5s; }
.cred:hover .cred__media img { transform: scale(1.05); }
.cred__body { padding: 18px 20px 22px; text-align: center; }
.cred--img .cred__title { font-size: 16px; }
.cred--img .cred__en { margin-top: 6px; }
.cred-grid { grid-template-columns: repeat(2, 1fr); }

.note-line {
  margin-top: 28px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--steel);
}

/* 锚点定位避开粘性头部 */
.article h3[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.card:hover {
  border-color: var(--navy);
  box-shadow: 0 14px 34px rgba(7, 24, 42, .1);
  transform: translateY(-3px);
}
.card__media {
  flex: 0 0 auto;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card__media img { transform: scale(1.04); }
.card__body { flex: 1 1 auto; display: flex; flex-direction: column; padding: 24px 24px 28px; }
.card__cat {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.card__title { font-size: 19px; font-weight: 600; line-height: 1.5; }
.card__desc { flex: 1 1 auto; margin-top: 10px; font-size: 14px; color: var(--steel); line-height: 1.85; }
.card__go {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--steel-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.card:hover .card__go { color: var(--navy); }
.card__go .fa { font-size: 10px; }

/* 胶囊标题卡（首页检测服务） */
.card--cap .card__media { position: relative; border-bottom: 0; }
.card--cap .card__title {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.4;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(7, 24, 42, .22);
  transition: background .22s;
}
.card--cap:hover .card__title { background: var(--teal); }
.card--cap .card__body { padding: 22px 24px 24px; }
.card--cap .card__desc {
  margin-top: 0;
  min-height: 78px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 12 项服务网格（标题在图下，不压图） */
.cards--svc { align-items: stretch; }
.cards--svc .card { height: auto; }
.card--svc .card__body { padding: 18px 20px 20px; text-align: center; }
.card--svc .card__title { font-size: 17px; line-height: 1.45; }
.card--svc .card__desc {
  flex: 0 0 auto;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card--svc .card__go { margin-top: auto; padding-top: 14px; font-size: 11.5px; justify-content: center; }

/* 文字卡（无图） */
.card--text .card__body { padding: 32px 28px; }
.card--text .card__title { font-size: 17px; }

/* 质量方针：居中标题 + 图标卡片网格 */
.sec-head--center { text-align: center; }
.sec-head--center .sec-head__desc { margin-left: auto; margin-right: auto; }
.qp { align-items: stretch; grid-template-columns: repeat(2, 1fr); }
.qp__item {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 32px 26px 30px;
  text-align: center;
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.qp__item:hover { border-color: var(--line); box-shadow: 0 12px 30px rgba(14, 42, 71, .09); transform: translateY(-3px); }
.qp__ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-tint);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
}
.qp__ico .fa { font-size: 26px; }
.qp__title { font-size: 17px; font-weight: 600; color: var(--navy); }
.qp__desc { margin-top: 10px; font-size: 13.5px; color: var(--steel); line-height: 1.85; }

/* ------- 流程（图标节点网格） ------- */
.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 48px;
  row-gap: 0;
  margin-top: 6px;
  list-style: none;
}
.flow__step {
  position: relative;
  min-width: 0;
  padding: 30px 0 42px;
}
.flow__step::after {
  content: "\f105";
  position: absolute;
  right: -26px;
  top: 26px;
  font-family: FontAwesome;
  font-size: 18px;
  line-height: 1;
  color: var(--steel-light);
}
.flow__step:nth-child(3n)::after { display: none; }
.flow__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 21px;
  transition: background .25s, transform .25s;
}
.flow__step:hover .flow__icon { background: var(--teal); transform: translateY(-2px); }
.flow__no {
  display: block;
  margin-top: 20px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--steel-light);
  font-variant-numeric: tabular-nums;
}
.flow__name { margin-top: 9px; font-size: 18px; font-weight: 600; letter-spacing: .01em; line-height: 1.4; }
.flow__desc { margin-top: 10px; font-size: 13.5px; color: var(--steel); line-height: 1.9; }

.flow--4 { grid-template-columns: repeat(4, 1fr); column-gap: 36px; }
.flow--4 .flow__step:nth-child(3n)::after { display: block; }
.flow--4 .flow__step:nth-child(4n)::after { display: none; }

/* ------- 首页服务流程：标签切换 + 左图右文 ------- */
.wf__tabs { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); }
.wf__tabs::before {
  content: "";
  position: absolute;
  left: 13%;
  right: 13%;
  top: 31px;
  height: 2px;
  background: var(--line);
}
.wf__tab {
  position: relative;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-align: center;
}
.wf__tab:not(:last-child)::after {
  content: "\f105";
  font-family: FontAwesome;
  position: absolute;
  right: -65px;
  top: 23px;
  font-size: 16px;
  color: var(--steel-light);
}
.wf__icon {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto;
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: background .2s, color .2s, border-color .2s;
}
.wf__tab:hover .wf__icon { border-color: var(--teal); color: var(--teal); }
.wf__tab.is-active .wf__icon { background: var(--navy); border-color: var(--navy); color: #fff; }
.wf__name { display: block; margin-top: 12px; font-size: 15px; font-weight: 600; color: var(--navy); }
.wf__tab:not(.is-active) .wf__name { color: var(--steel); font-weight: 500; }

.wf__panels { margin-top: 44px; }
.wf__panel { display: none; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.wf__panel.is-active { display: grid; }
.wf__media { overflow: hidden; border-radius: 10px; }
.wf__media img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s; }
.wf__media:hover img { transform: scale(1.03); }
.wf__no { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--teal); }
.wf__title { margin-top: 10px; font-size: 26px; font-weight: 600; line-height: 1.4; }
.wf__desc { margin-top: 14px; font-size: 14.5px; color: var(--steel); line-height: 1.95; }
.wf__list { margin-top: 20px; display: grid; gap: 12px; }
.wf__list li { display: flex; gap: 12px; font-size: 14px; color: var(--navy); align-items: flex-start; }
.wf__list li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); margin-top: 9px; flex: none; }

/* ------- 列表（新闻 / 资源） ------- */
.newslist { border-top: 1px solid var(--line); }
.newslist__item {
  display: grid;
  grid-template-columns: 96px 1fr 130px;
  gap: 24px;
  align-items: center;
  padding: 24px 8px;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.newslist__item:hover { background: var(--bg-soft); }
.newslist__date { font-size: 13px; color: var(--steel-light); letter-spacing: .04em; }
.newslist__title { font-size: 16px; color: var(--navy); }
.newslist__item:hover .newslist__title { color: var(--teal); }
.newslist__tag { font-size: 12px; color: var(--steel); text-align: right; letter-spacing: .08em; }

/* ------- 关于（复用：关于页 / 招聘页双栏 + 勾选清单） ------- */
.about-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.about-split--single { grid-template-columns: 1fr; gap: 0; align-items: start; }
.about-split__media { overflow: hidden; border-radius: 6px; }
.about-split__media img { display: block; width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; }
.about-split__text p { color: var(--steel); font-size: 15px; margin-top: 16px; line-height: 1.95; }
.about-points { margin-top: 24px; display: grid; gap: 14px; }
.about-points li { display: flex; gap: 12px; font-size: 14px; color: var(--navy); align-items: flex-start; }
.about-points .fa { color: var(--teal); margin-top: 6px; font-size: 12px; }

/* ------- 首页关于（上排图文 + 下排四项） ------- */
.about-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}
.about-top__media { overflow: hidden; border-radius: 6px; }
.about-top__media img { display: block; width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; transition: transform .5s; }
.about-top__media:hover img { transform: scale(1.04); }
.about-top__lead { margin-top: 14px; font-size: 15px; letter-spacing: .04em; color: var(--teal); }
.about-top__desc { margin-top: 16px; color: var(--steel); font-size: 14.5px; line-height: 1.95; }
.about-top__cta { margin-top: 26px; }

.about-adv {
  margin-top: 44px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.about-adv__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  transition: transform .22s;
}
.about-adv__item:hover { transform: translateY(-3px); }
.about-adv__ic {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: background .22s, color .22s, transform .22s;
}
.about-adv__item:hover .about-adv__ic { background: var(--teal); color: #fff; transform: translateY(-2px); }
.about-adv__title { font-size: 15.5px; font-weight: 600; color: var(--navy); line-height: 1.4; transition: color .2s; }
.about-adv__item:hover .about-adv__title { color: var(--teal); }
.about-adv__desc { margin-top: 6px; font-size: 12.8px; color: var(--steel); line-height: 1.8; }

/* ------- CTA ------- */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: 26px; font-weight: 600; letter-spacing: .02em; }
.cta-band p { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .72); }
.cta-band .btn { background: var(--white); color: var(--navy); border-color: var(--white); }
.cta-band .btn:hover { background: var(--teal); color: var(--white); border-color: var(--teal); }

/* ------- 内页横幅 ------- */
.page-banner {
  position: relative;
  height: 300px;
  background: var(--navy);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.page-banner__media { position: absolute; inset: 0; }
.page-banner__media img { width: 100%; height: 100%; object-fit: cover; }
.page-banner__scrim { position: absolute; inset: 0; background: rgba(9, 26, 44, .62); }
.page-banner__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gap);
  color: var(--white);
}
.page-banner__en {
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .66);
  margin-bottom: 14px;
  display: block;
}
.page-banner__title { font-size: 34px; font-weight: 700; letter-spacing: .02em; }
.page-banner__desc { margin-top: 12px; font-size: 14px; color: rgba(255, 255, 255, .8); max-width: 620px; }

/* 面包屑 */
.crumb { border-bottom: 1px solid var(--line); }
.crumb__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--steel);
  height: 54px;
}
.crumb__inner a:hover { color: var(--navy); }
.crumb__inner .fa { font-size: 9px; color: var(--steel-light); }



/* ------- 详情页 ------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}
.detail__head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 34px; }
.detail__meta {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel-light);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.detail__title { font-size: 30px; line-height: 1.42; font-weight: 700; }
.detail__summary {
  margin-top: 16px;
  font-size: 15px;
  color: var(--steel);
  line-height: 1.95;
  padding-left: 18px;
  border-left: 2px solid var(--teal);
}
.article p { font-size: 15.5px; line-height: 2.05; color: #23384d; margin-bottom: 20px; }
.article h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--navy);
  line-height: 1.5;
}
.article h3:first-child { margin-top: 0; }
.article ul { margin: 0 0 22px; }
.article ul li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 2;
  color: #23384d;
}
.article ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--teal);
}
.article .figure { margin: 32px 0; border: 1px solid var(--line); }
.article .figure img { width: 100%; height: auto; }
.article .figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.article__table { width: 100%; border-collapse: collapse; margin: 0 0 26px; font-size: 14.5px; }
.article__table th, .article__table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  line-height: 1.7;
}
.article__table th { background: var(--bg-soft); font-weight: 600; color: var(--navy); width: 30%; }

/* 详情页：上一篇 / 下一篇 */
.article__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}
.article__nav__prev,
.article__nav__next {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  transition: border-color .2s, background .2s;
}
.article__nav__next { text-align: right; }
.article__nav__label { font-size: 12.5px; letter-spacing: .08em; color: var(--steel-light); }
.article__nav__label i { margin: 0 4px; }
.article__nav__title { font-size: 14.5px; font-weight: 600; color: var(--navy); line-height: 1.6; }
.article__nav__prev:hover,
.article__nav__next:hover { border-color: var(--line); background: var(--white); }
.article__nav__prev:hover .article__nav__title,
.article__nav__next:hover .article__nav__title { color: var(--teal); }

/* 侧栏 */
.side { border-top: 2px solid var(--navy); }
.side__block { padding: 26px 0; border-bottom: 1px solid var(--line); }
.side__title {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--steel-light);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.side__list li { border-bottom: 1px dashed var(--line); }
.side__list li:last-child { border-bottom: 0; }
.side__cat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 14px 0;
  font-family: inherit;
  font-size: 15px;
  color: var(--navy);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color .2s;
}
.side__cat span { font-size: 12px; color: var(--steel-light); letter-spacing: .04em; }
.side__cat:hover { color: var(--teal); }
.side__cat.is-active { color: var(--teal); font-weight: 600; }
.side__list li a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  font-size: 16.5px;
  color: var(--navy);
}
.side__list li a:hover { color: var(--teal); }
.side__list li a span { color: var(--steel-light); font-size: 12px; flex: none; }
.side__contact { font-size: 15px; color: var(--steel); line-height: 2; }
.side__contact strong { color: var(--navy); display: block; margin-bottom: 4px; font-size: 15px; }
.side__contact p { display: flex; align-items: center; gap: 10px; }
.side__contact p i { flex: none; width: 17px; text-align: center; color: var(--teal); font-size: 14px; }
.side__contact p a { color: inherit; }
.side__cta { padding-top: 26px; }

/* ------- 新闻中心 ------- */
.newstabs { display: flex; gap: 40px; border-bottom: 1px solid var(--line); }
.newstab {
  position: relative;
  padding: 0 0 16px;
  font-family: inherit;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--steel);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color .2s;
}
.newstab:hover { color: var(--navy); }
.newstab.is-active { color: var(--navy); font-weight: 600; }
.newstab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--navy);
}
.newstab span { margin-left: 7px; font-size: 11px; font-weight: 400; color: var(--steel-light); }

.newspanel { display: none; }
.newspanel.is-active { display: block; }
/* 新闻列表：左图右文框卡 */
.newsrow {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
  align-items: stretch;
  transition: border-color .2s, box-shadow .2s;
}
.newsrow:hover { border-color: #c8d4df; box-shadow: 0 14px 30px rgba(7, 24, 42, .07); }
.newsrow__media { overflow: hidden; }
.newsrow__media img { display: block; width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s; }
.newsrow:hover .newsrow__media img { transform: scale(1.05); }
.newsrow__body { display: flex; flex-direction: column; padding: 28px 30px; }
.newsrow__meta { display: flex; align-items: center; gap: 20px; font-size: 12.5px; color: var(--steel-light); }
.newsrow__cat { color: var(--teal); letter-spacing: .08em; }
.newsrow__cat i, .newsrow__date i { margin-right: 6px; }
.newsrow__title {
  margin-top: 14px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--navy);
  transition: color .2s;
}
.newsrow:hover .newsrow__title { color: var(--teal); }
.newsrow__desc { margin-top: 12px; flex: 1 1 auto; font-size: 13.5px; line-height: 1.85; color: var(--steel); }
.newsrow__more { margin-top: 18px; font-size: 13.5px; font-weight: 600; color: var(--navy); }
.newsrow__more i { margin-left: 6px; transition: transform .2s, color .2s; }
.newsrow:hover .newsrow__more { color: var(--teal); }
.newsrow:hover .newsrow__more i { transform: translateX(4px); }

/* 新闻侧栏：编号方块标题 + 顶部细色带 */
.side--card { border-top: 0; }
.side--card .side__block {
  padding: 0;
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  background: #fff;
  margin-bottom: 20px;
}
.side--card .side__block:last-child { margin-bottom: 0; }
.side--card .side__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-tint);
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: none;
}
.side--card .side__title i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 22px;
  height: 20px;
  background: var(--navy);
  color: #fff;
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
}
.side--card .side__title em {
  margin-left: auto;
  font-style: normal;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.side--card .side__cat { padding: 14px 18px 14px 11px; border-left: 2px solid transparent; }
.side--card .side__cat.is-active { border-left-color: var(--teal); color: var(--teal); font-weight: 600; }
.side--card .side__list { padding: 4px 0 8px; }
.side--card .side__list li { border-bottom: 1px solid var(--line-soft); }
.side--card .side__list li a { padding: 14px 18px; border-left: 2px solid transparent; }
.side--card .side__list li a.is-active { border-left-color: var(--teal); }
.side--card .side__list li:last-child { border-bottom: 0; }
.side--card .hotlist { padding: 6px 18px 4px; }
.side--card .side__contact { padding: 16px 18px 0; }
.side--card .side__block .btn {
  display: flex;
  justify-content: center;
  margin: 16px 18px 18px;
}

/* ------- 检测服务：左侧能力分类 + 右侧分类详情 ------- */
.side--svc .side__list { padding: 2px 0 6px; }
.side--svc .side__list li { border-bottom: 1px solid var(--line-soft); }
.side--svc .side__list li:last-child { border-bottom: 0; }
.side--svc .svccat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-left: 2px solid transparent;
  background: none;
  font-family: inherit;
  font-size: 15px;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.side--svc .svccat .fa { font-size: 11px; color: var(--steel-light); transition: color .2s; }
.side--svc .svccat:hover { color: var(--teal); }
.side--svc .svccat:hover .fa { color: var(--teal); }
.side--svc .svccat.is-active {
  color: var(--teal);
  font-weight: 600;
  border-left-color: var(--teal);
}
.side--svc .svccat.is-active .fa { color: var(--teal); }
.side--svc .side__list li a i { font-size: 11px; color: var(--steel-light); transition: color .2s; }
.side--svc .side__list li a:hover i,
.side--svc .side__list li a.is-active i { color: var(--teal); }

.svcbody { min-width: 0; }
.svcpanel { display: none; }
.svcpanel.is-active { display: block; }

/* ---------- 关于我们：左侧固定分类 + 右侧面板 ---------- */
.about-layout { align-items: start; }
.side--about { position: sticky; top: 110px; }
.aboutbody { min-width: 0; }
.aboutpanel { display: none; }
.aboutpanel.is-active { display: block; }
.aboutpanel .article { margin-top: 20px; }
.aboutcat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  border: 0;
  border-left: 2px solid transparent;
  background: none;
  font-family: inherit;
  font-size: 15px;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.aboutcat .fa { font-size: 11px; color: var(--steel-light); transition: color .2s; }
.aboutcat:hover { color: var(--teal); }
.aboutcat:hover .fa { color: var(--teal); }
.aboutcat.is-active { color: var(--teal); font-weight: 600; border-left-color: var(--teal); }
.aboutcat.is-active .fa { color: var(--teal); }
.svcpanel__no {
  display: block;
  margin-top: 30px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.svcpanel__title { margin-top: 10px; font-size: 26px; font-weight: 600; line-height: 1.4; }
.svcpanel__desc { margin-top: 14px; max-width: 760px; font-size: 14px; line-height: 1.95; color: var(--steel); }
.svcpanel__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.svcpanel__label {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--steel-light);
}
.svcpanel__meta p { font-size: 13px; line-height: 1.85; color: var(--navy); }
.svcpanel .btn { margin-top: 32px; }

/* 分类下子服务图片卡网格（一排三个） */
.svcsubs { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svcsub {
  display: block;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.svcsub:hover { border-color: var(--line); box-shadow: 0 10px 26px rgba(14, 42, 71, .1); transform: translateY(-3px); }
.svcsub__media { overflow: hidden; }
.svcsub__media img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .35s; }
.svcsub:hover .svcsub__media img { transform: scale(1.05); }
.svcsub__body { padding: 16px 18px 18px; text-align: center; }
.svcsub__title { display: block; font-size: 15.5px; font-weight: 600; color: var(--navy); line-height: 1.45; }
.svcsub__desc { display: block; margin-top: 6px; font-size: 12.8px; color: var(--steel); line-height: 1.7; }
.svcsub:hover .svcsub__title { color: var(--teal); }
.article__note { margin-top: 16px; font-size: 13px; color: var(--steel); }

/* 新闻详情：侧栏在左 */
.detail-grid--left { grid-template-columns: 300px 1fr; gap: 56px; }
.detail-grid--left > aside { order: 1; }
.detail-grid--left > div { order: 2; }
.side__list li a.is-active { color: var(--teal); font-weight: 600; }

.hotlist li { border-bottom: 1px dashed var(--line); }
.hotlist li:last-child { border-bottom: 0; }
.hotlist a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  font-size: 15px;
  line-height: 1.4;
  color: var(--navy);
  transition: color .2s;
}
.hotlist a::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  background: var(--navy);
}
.hotlist a:hover { color: var(--teal); }
.hotlist a:hover::before { background: var(--teal); }
.hotlist__txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ------- 招聘 ------- */
.jobs { display: grid; gap: 16px; }
.job {
  display: grid;
  grid-template-columns: 1fr 220px 130px 40px;
  gap: 24px;
  align-items: center;
  padding: 24px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .2s, background .2s, box-shadow .2s, transform .2s;
}
.job:hover {
  background: var(--bg-soft);
  border-color: var(--teal);
  box-shadow: 0 6px 18px rgba(14, 42, 71, .08);
  transform: translateY(-2px);
}
.job__title { font-size: 18px; font-weight: 600; color: var(--navy); }
.job__sub { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.job__sub span {
  font-size: 12.5px;
  color: var(--steel);
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 4px 10px;
}
.job__dept { font-size: 13.5px; color: var(--steel); }
.job__count { font-size: 13.5px; font-weight: 600; color: var(--teal); text-align: right; }
.job__arw {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--steel-light);
  font-size: 14px;
  transition: color .2s, background .2s;
}
.job:hover .job__arw { background: var(--teal); color: #fff; }

/* ------- 联系我们 ------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 34px 28px;
  text-align: center;
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.contact-card:hover { border-color: #c8d4df; box-shadow: 0 14px 30px rgba(7, 24, 42, .07); transform: translateY(-3px); }
.contact-card__ic {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  transition: background .22s, color .22s, transform .22s;
}
.contact-card:hover .contact-card__ic { background: var(--teal); color: #fff; transform: translateY(-2px); }
.contact-card__title { font-size: 16px; font-weight: 600; color: var(--navy); }
.contact-card__value { margin-top: 10px; font-size: 15.5px; color: var(--navy); line-height: 1.7; }
.contact-card__sub { margin-top: 6px; font-size: 12.5px; color: var(--steel); line-height: 1.7; }
.contact-note { margin-top: 22px; text-align: center; font-size: 13px; color: var(--steel); }

/* ------- 页脚 ------- */
.site-footer { background: var(--navy-deep); color: rgba(255, 255, 255, .68); padding: 64px 0 0; }
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer__brand img { height: 44px; width: auto; margin-bottom: 18px; }
.footer__brandmark {
  color: var(--white);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 16px;
  line-height: 1.2;
}
.footer__brandmark span {
  display: block;
  margin-top: 7px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .48);
}
.footer__brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .62); max-width: 340px; }
.footer__title {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--white);
  margin-bottom: 18px;
  display: block;
  padding-left: 11px;
  border-left: 3px solid var(--teal);
  line-height: 1.2;
}
.footer__links li a {
  display: block;
  padding: 7px 0;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .62);
}
.footer__links li a:hover { color: var(--white); }
.footer__contact { font-size: 13.5px; line-height: 2; color: rgba(255, 255, 255, .62); }
.footer__contact strong { color: var(--white); font-size: 16px; display: block; margin-bottom: 6px; letter-spacing: .02em; }
.footer__social { display: flex; gap: 12px; margin-top: 22px; }
.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  color: rgba(255, 255, 255, .72);
  font-size: 16px;
  transition: border-color .2s, color .2s, background .2s;
}
.footer__social a:hover { border-color: var(--teal); color: #fff; background: var(--teal); }
.footer__contactlist { display: grid; gap: 13px; font-size: 13.5px; color: rgba(255, 255, 255, .62); }
.footer__contactlist li { display: flex; align-items: center; gap: 11px; }
.footer__contactlist i { width: 16px; color: var(--teal); font-size: 14px; flex: none; }
.footer__contactlist a { color: rgba(255, 255, 255, .62); }
.footer__contactlist a:hover { color: var(--white); }
.footer__qr { margin-top: 22px; display: flex; align-items: center; gap: 14px; }
.footer__qr img { width: 88px; height: 88px; object-fit: cover; border-radius: 8px; background: #fff; padding: 6px; }
.footer__qr span { font-size: 12.5px; color: rgba(255, 255, 255, .55); line-height: 1.7; }
.footer__bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .46);
}
.footer__bottom a:hover { color: rgba(255, 255, 255, .8); }

/* ------- 右侧浮动 ------- */
.floatbar {
  position: fixed;
  right: 0;
  bottom: 16%;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-right: 0;
  box-shadow: -6px 0 22px rgba(14, 42, 71, .12);
}
.floatbar a, .floatbar button {
  width: 60px;
  height: 60px;
  background: var(--bg-soft);
  color: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  gap: 3px;
  box-shadow: inset 0 -1px 0 var(--line-soft);
  transition: background .2s, color .2s;
}
.floatbar a:hover, .floatbar button:hover { background: var(--teal); color: var(--white); }
.floatbar .fa { font-size: 20px; }
.floatbar__top { display: none; }
.floatbar__top.is-show { display: flex; }

/* ------- 响应式 ------- */
@media (max-width: 1180px) {
  :root { --gap: 24px; }
  .nav__list li a { padding: 10px 13px; font-size: 14px; }
  .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .flow { column-gap: 32px; }
  .flow__step::after { right: -18px; }
  .flow__icon { width: 50px; height: 50px; font-size: 19px; }
  .flow__step { padding: 28px 0 36px; }
  .flow--4 { column-gap: 26px; }
  .wf__tabs { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .wf__panel { grid-template-columns: 1fr; gap: 28px; }
  .floatbar { display: none; }
  .detail-grid { grid-template-columns: 1fr 260px; gap: 40px; }
  .detail-grid--left { grid-template-columns: 260px 1fr; gap: 40px; }
}

@media (max-width: 960px) {
  .nav { display: none; }
  .head-lang { display: none; }
  .lang--top { display: block; }
  .site-header__inner { display: flex; justify-content: space-between; }
  .burger { display: flex; }
  .slide { height: 470px; }
  .slide__title { font-size: 34px; }
  .promise__inner { grid-template-columns: 1fr; }
  .promise__item { padding: 22px 0 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .promise__item:last-child { border-bottom: 0; }
  .cards--3 { grid-template-columns: repeat(2, 1fr); }
  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .about-split__media img { aspect-ratio: 16 / 9; }
  .about-top { grid-template-columns: 1fr; gap: 32px; }
  .about-top__media img { aspect-ratio: 16 / 9; }
  .about-adv { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .edge { grid-template-columns: 1fr; gap: 28px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid--left .side { order: 2; }
  .detail-grid--left .side--svc { order: 0; margin-top: 0; }
  .side--about { position: static; }
  .svcsubs { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .detail-grid--left > div { order: 1; }
  .article__nav { grid-template-columns: 1fr; gap: 14px; }
  .side { margin-top: 40px; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .job { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
  .job__dept, .job__count { text-align: left; }
  .job__arw { display: none; }
  .floatbar { display: none; }
  .page-banner { height: 240px; }
  .page-banner__title { font-size: 26px; }
}

@media (max-width: 720px) {
  :root { --gap: 20px; --header-h: 72px; }
  body { font-size: 15px; }
  .section { padding: 60px 0; }
  .section--tight { padding: 44px 0; }
  .topbar__inner { height: 34px; font-size: 12px; }
  .topbar__left { display: none; }
  .topbar__right { gap: 16px; margin-left: auto; }
  .logo img { height: 36px; }
  .slide { height: 410px; }
  .slide__eyebrow { letter-spacing: .2em; margin-bottom: 14px; }
  .slide__title { font-size: 26px; line-height: 1.35; }
  .slide__desc { font-size: 14px; margin-top: 14px; }
  .slide__actions { margin-top: 22px; }
  .slider__arrows { display: none; }
  .slider__dots { bottom: 18px; }
  .sec-head { margin-bottom: 30px; }
  .sec-head__title { font-size: 24px; }
  .sec-head__desc { font-size: 14px; }
  .sec-head--split { display: block; padding-bottom: 18px; }
  .sec-head--split .more { display: inline-block; margin-top: 12px; }
  .promise__item { padding: 18px 0 20px; }
  .promise__title { font-size: 16px; }
  .edge { grid-template-columns: 1fr; gap: 22px; }
  .edge__item { grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding: 18px 0; }
  .edge__ic { width: 44px; height: 44px; font-size: 19px; }
  .edge__title { font-size: 16px; }
  .edge__desc { font-size: 12.5px; line-height: 1.8; margin-top: 6px; }
  .cards { gap: 18px; }
  .svccats { display: grid; grid-template-columns: 1fr 1fr; }
  .side--svc .svccat { padding: 10px 0 10px 10px; font-size: 12.5px; }
  .svcpanel__title { font-size: 21px; }
  .svcpanel__desc { font-size: 13px; line-height: 1.85; }
  .svcsubs { grid-template-columns: 1fr; }
  .svcpanel .btn { margin-top: 24px; }
  .cards--4, .cards--3, .cards--2, .qp, .cred-grid { grid-template-columns: 1fr; }
  .cards--4.cards--svc { grid-template-columns: 1fr 1fr; gap: 14px; }
  .card--svc .card__body { padding: 14px 14px 16px; }
  .card--svc .card__title { font-size: 15px; }
  .card--svc .card__desc { font-size: 12px; line-height: 1.75; margin-top: 6px; }
  .card--svc .card__go { margin-top: 12px; font-size: 11px; }
  .card__body { padding: 20px 20px 24px; }
  .card__title { font-size: 17px; }
  .card--cap .card__desc { min-height: 0; }
  .flow { grid-template-columns: 1fr 1fr; column-gap: 20px; }
  .flow--4 { grid-template-columns: 1fr 1fr; column-gap: 20px; }
  .flow__step:nth-child(3n)::after,
  .flow__step:nth-child(4n)::after { display: block; }
  .flow__step:nth-child(2n)::after { display: none; }
  .flow__step::after { right: -14px; font-size: 16px; }
  .flow__icon { width: 44px; height: 44px; font-size: 17px; }
  .flow__no { margin-top: 14px; }
  .flow__step { padding: 20px 0 26px; }
  .flow__name { font-size: 16px; margin-top: 7px; }
  .flow__desc { font-size: 12.5px; line-height: 1.8; margin-top: 8px; }
  .wf__tabs { display: flex; overflow-x: auto; gap: 24px; padding-bottom: 6px; }
  .wf__tabs::before { display: none; }
  .wf__tab { flex: none; width: 116px; }
  .wf__tab:not(:last-child)::after { display: none; }
  .wf__icon { width: 48px; height: 48px; font-size: 18px; }
  .wf__name { font-size: 13.5px; }
  .wf__panel { gap: 22px; }
  .wf__title { font-size: 21px; }
  .about-adv { grid-template-columns: 1fr; gap: 22px; padding-top: 26px; margin-top: 32px; }
  .newslist__item { grid-template-columns: 1fr; gap: 8px; padding: 18px 4px; }
  .newslist__tag { text-align: left; }
  .newsrow { grid-template-columns: 1fr; margin-bottom: 18px; }
  .newsrow__media img { aspect-ratio: 16 / 9; }
  .newsrow__body { padding: 22px 20px 24px; }
  .newsrow__title { font-size: 16px; }
  .newsrow__desc { font-size: 12.5px; }
  .newstabs { gap: 22px; }
  .newstab { font-size: 13px; padding-bottom: 13px; }
  .newstabs { gap: 22px; }
  .newstab { font-size: 13px; padding-bottom: 13px; }
  .detail__title { font-size: 23px; }
  .article p, .article ul li { font-size: 15px; }
  .page-banner { height: 200px; }
  .page-banner__title { font-size: 22px; }
  .page-banner__desc { font-size: 13px; }
  .crumb__inner { height: 46px; font-size: 12px; }
  .contact-cards { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .site-footer { padding-top: 44px; }
  .cta-band { padding: 40px 0; }
  .cta-band h2 { font-size: 21px; }
  .btn { padding: 12px 22px; font-size: 13px; }
  .mnav__list li a { padding: 14px 4px; font-size: 15px; }
}

/* ------- 委托表单 ------- */
.enquiry-form {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 44px 40px;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.form-field__wrap { position: relative; }
.form-field__ic {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--steel-light);
  font-size: 14px;
  pointer-events: none;
}
.form-field__wrap input { padding-right: 40px; }
.form-field__wrap textarea { padding-right: 40px; }
.form-field__wrap .form-field__ic { top: 18px; transform: none; }
.form-field--full { grid-column: 1 / -1; }
.form-field label {
  display: block;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--navy);
  margin-bottom: 9px;
}
.form-field label em {
  font-style: normal;
  color: var(--teal);
  margin-left: 2px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 2px;
  transition: border-color .2s;
}
.form-field textarea { resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy);
}
.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid { border-color: #b3261e; }
.form-foot {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.form-status { font-size: 13px; letter-spacing: .02em; }
.form-status.is-error { color: #b3261e; }
.form-status.is-ok { color: var(--teal); }
.form-note { margin-top: 18px; font-size: 12.5px; color: var(--steel); }

@media (max-width: 960px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .enquiry-form { padding: 26px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .form-foot .btn { width: 100%; justify-content: center; }
}