@charset "utf-8";
/* ==========================================================================
   企业官网通用样式 — 设计变量集中在 :root，换主题只改这一段
   ========================================================================== */

:root {
  /* 主题色 */
  --theme: #005f93;
  --theme-dark: #004a74;
  --theme-light: #e8f2f8;
  --theme-alpha: rgba(0, 95, 147, .12);

  /* 文字 */
  --text: #333333;
  --text-sub: #666666;
  --text-muted: #999999;
  --text-invert: #ffffff;

  /* 背景与线条 */
  --bg: #ffffff;
  --bg-soft: #f5f5f5;
  --border: #eeeeee;
  --border-strong: #dddddd;

  /* 页脚 */
  --foot-bg: #005f93;
  --foot-msg-bg: #004877;
  --foot-link-bg: #2b8fc5;
  --foot-text: #ffffff;

  /* 尺寸 */
  --maxw: 1200px;
  --radius: 6px;
  --header-h: 84px;

  /* 字体 */
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
          "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden; /* 移动端防长链接/表格溢出产生横向滚动 */
}

img { max-width: 100%; height: auto; display: block; border: 0; }

a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--theme); }

h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.4; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--theme); outline-offset: 2px; }

/* ---------- 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 60px 0; }
.section--soft { background: var(--bg-soft); }

.section__head { text-align: center; margin-bottom: 40px; }
.section__title {
  font-size: 30px;
  color: var(--text);
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 56px;
  height: 3px;
  transform: translateX(-50%);
  background: var(--theme);
  border-radius: 2px;
}
.section__sub {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, 1fr);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- 顶部条 ---------- */
.topbar {
  background: var(--theme-dark);
  color: rgba(255, 255, 255, .85);
  font-size: 13px;
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar a:hover { color: #fff; }

/* ---------- 头部 / 导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { max-height: 46px; width: auto; }
.logo__text {
  font-size: 20px;
  font-weight: 700;
  color: var(--theme);
  line-height: 1.2;
}
.logo__text small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__item > a {
  display: block;
  padding: 10px 13px;
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
}
.nav__item > a:hover,
.nav__item.is-active > a { color: var(--theme); }
.nav__item.is-active > a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--theme);
}

.nav__sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 2px solid var(--theme);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
  padding: 6px 0;
  z-index: 10;
}
.nav__item:hover .nav__sub { display: block; }
.nav__sub a {
  display: block;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--text-sub);
}
.nav__sub a:hover { background: var(--theme-light); color: var(--theme); }

.header__hotline {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  line-height: 1.3;
}
.header__hotline span { font-size: 12px; color: var(--text-muted); }
.header__hotline strong {
  font-size: 20px;
  color: var(--theme);
  font-weight: 700;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  position: relative;
  transition: all .2s;
}
.nav__toggle span::before,
.nav__toggle span::after { content: ""; position: absolute; left: 0; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }

/* ---------- 顶部搜索框 ---------- */
/* 桌面端隐藏：纯静态部署无 /search 落地页，提交即 404；且占位 ~190px 会把右侧
   服务热线挤出视口。搜索保留在移动端折叠菜单内（≤900px 媒体查询中恢复）。 */
.nav__search {
  display: none;
  align-items: center;
  margin-left: 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-soft);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.nav__search:focus-within {
  border-color: var(--theme);
  background: #fff;
  box-shadow: 0 0 0 3px var(--theme-alpha);
}
.nav__search input {
  border: 0;
  outline: 0;
  background: transparent;
  padding: 7px 6px 7px 14px;
  width: 140px;
  font-size: 13px;
  color: var(--text);
  transition: width .25s;
}
.nav__search input:focus { width: 185px; }
.nav__search input::placeholder { color: var(--text-muted); }
.nav__search button {
  flex-shrink: 0;
  border: 0;
  background: var(--theme);
  color: #fff;
  border-radius: 999px;
  padding: 6px 15px;
  margin: 2px;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background .2s;
}
.nav__search button:hover { background: var(--theme-dark); }

/* ---------- 轮播 ---------- */
.hero { position: relative; overflow: hidden; background: #000; }
.hero__track { display: flex; transition: transform .6s ease; }
.hero__slide { flex: 0 0 100%; position: relative; }
.hero__slide img {
  width: 100%;
  aspect-ratio: 12 / 5; /* 与 1920×800 源图一致，常规屏完整显示不裁剪 */
  max-height: 600px;
  object-fit: cover;
  object-position: center;
}
.hero__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 2;
}
.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .5);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.hero__dot.is-active { background: #fff; width: 26px; border-radius: 5px; }

/* 无轮播图时的占位首屏（模板空态）：主题渐变 + 站点标语，不依赖图片 */
.hero--blank {
  background: linear-gradient(120deg, var(--theme) 0%, var(--theme-dark) 100%);
  padding: 84px 16px;
  text-align: center;
  color: #fff;
}
.hero--blank h2 {
  margin: 0 0 12px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
}
.hero--blank p {
  margin: 0;
  font-size: 15px;
  opacity: .88;
  letter-spacing: 4px;
}
@media (max-width: 768px) {
  .hero--blank { padding: 48px 16px; }
  .hero--blank h2 { font-size: 24px; }
  .hero--blank p { font-size: 13px; }
}

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .09);
}
.card__media {
  position: relative;
  padding-top: 68%;
  overflow: hidden;
  background: var(--bg-soft);
}
.card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 14px 16px 18px; }
.card__title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  height: 3em;
  overflow: hidden;
  color: var(--text);
}
.card:hover .card__title { color: var(--theme); }
.card__meta {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.card__desc {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  height: 4.4em;
  overflow: hidden;
}

/* 图文横向条目（新闻列表） */
.entry {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--border);
  align-items: flex-start;
}

/* ---------- 站内搜索页 ---------- */
.search-bar { display: flex; gap: 10px; margin: 26px 0 12px; }
.search-bar input[type="search"] {
  flex: 1; padding: 10px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 15px;
}
.search-bar button {
  padding: 10px 26px; background: var(--theme); color: #fff; border: 0;
  border-radius: var(--radius); font-size: 15px; cursor: pointer;
}
.search-meta { font-size: 13px; color: var(--text-sub); margin: 0 0 8px; }
.search-tip { color: var(--text-sub); }
.search-group {
  font-size: 15px; color: var(--theme); margin: 20px 0 2px;
  padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.search-group:first-child { margin-top: 6px; }
.search-results .entry:last-child { border-bottom: 0; }
mark {
  background: #ffe58f; color: inherit;
  padding: 0 2px; border-radius: 2px;
}
.entry:last-child { border-bottom: 0; }
.entry__date {
  flex: 0 0 78px;
  text-align: center;
  background: var(--theme-light);
  border-radius: var(--radius);
  padding: 10px 0;
  color: var(--theme);
}
.entry__date b { display: block; font-size: 26px; line-height: 1; }
.entry__date span { font-size: 12px; }
.entry__media {
  flex: 0 0 220px;
  border-radius: var(--radius);
  overflow: hidden;
}
.entry__media img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.entry__main { flex: 1; min-width: 0; }
.entry__title {
  font-size: 17px;
  margin-bottom: 8px;
  line-height: 1.5;
}
.entry__title a:hover { color: var(--theme); }
.entry__summary {
  color: var(--text-sub);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.entry__tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--theme);
  background: var(--theme-light);
  border-radius: 3px;
  padding: 2px 8px;
}

/* ---------- 关于我们（首页） ---------- */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about__img { border-radius: var(--radius); overflow: hidden; }
.about__img img,
.about__img video {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
  background: #000;
  display: block;
}
.about__title { font-size: 26px; margin-bottom: 16px; }
.about__text { color: var(--text-sub); line-height: 1.9; }
.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 26px 0;
}
.about__stat { text-align: center; }
.about__stat b {
  display: block;
  font-size: 28px;
  color: var(--theme);
  line-height: 1.2;
}
.about__stat span { font-size: 13px; color: var(--text-muted); }

.btn {
  display: inline-block;
  padding: 11px 30px;
  background: var(--theme);
  color: #fff;
  border-radius: var(--radius);
  font-size: 15px;
  transition: background .2s;
}
.btn:hover { background: var(--theme-dark); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--theme);
  border: 1px solid var(--theme);
}
.btn--ghost:hover { background: var(--theme); color: #fff; }

/* ---------- 分类筛选 ---------- */
.cates {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}
.cates a {
  padding: 7px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-sub);
}
.cates a:hover { border-color: var(--theme); color: var(--theme); }
.cates a.is-active {
  background: var(--theme);
  border-color: var(--theme);
  color: #fff;
}

/* ---------- 面包屑 / 内页 ---------- */
.crumb {
  background: var(--theme);
  color: rgba(255, 255, 255, .9);
  padding: 26px 0;
}
.crumb h1, .crumb__title { font-size: 26px; color: #fff; margin: 0; }
.crumb__path { font-size: 13px; margin-bottom: 6px; }
.crumb__path a { color: rgba(255, 255, 255, .8); }
.crumb__path a:hover { color: #fff; }

/* 视觉隐藏但保留给屏幕阅读器 / 搜索引擎语义（用于首页唯一 h1） */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-body { padding: 48px 0 64px; min-height: 320px; }

.sidebar + .main { display: block; }
.inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  align-items: start;
}
.side { position: sticky; top: calc(var(--header-h) + 20px); }
.side__title {
  background: var(--theme);
  color: #fff;
  padding: 14px 18px;
  font-size: 17px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.side__list {
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
}
.side__list a {
  display: block;
  padding: 12px 18px;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  color: var(--text-sub);
}
.side__list a:last-child { border-bottom: 0; }
.side__list a:hover,
.side__list a.is-active {
  background: var(--theme-light);
  color: var(--theme);
  border-left: 3px solid var(--theme);
  padding-left: 15px;
}

/* ---------- 文章正文 ---------- */
.article__title {
  font-size: 24px;
  text-align: center;
  margin-bottom: 12px;
}
.article__meta {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}
.article__meta span + span { margin-left: 18px; }
.article__content { font-size: 16px; line-height: 2; color: var(--text); }
.article__content img { margin: 16px auto; border-radius: var(--radius); }
.article__content p { margin-bottom: 1.2em; }
/* 正文富文本视频：与图片一致宽度、圆角、黑底 */
.article__content video {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 16px auto;
  border-radius: var(--radius);
  background: #000;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0;
}
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: zoom-in;
}

/* 关于我们子页视频墙 */
.about-videos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px 0;
}
.about-video { margin: 0; }
.about-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
  border-radius: var(--radius);
  display: block;
}

.prevnext {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  flex-wrap: wrap;
}
.prevnext a { color: var(--text-sub); }
.prevnext a:hover { color: var(--theme); }

/* ---------- 分页 ---------- */
.pager {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.pager a, .pager span {
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 14px;
  color: var(--text-sub);
}
.pager a:hover { border-color: var(--theme); color: var(--theme); }
.pager .is-current {
  background: var(--theme);
  border-color: var(--theme);
  color: #fff;
}

/* ---------- 联系页 ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px;
}

/* 快捷联系卡（电话 / 微信） */
.contact__cards {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}
.contact__card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--theme);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
}
.contact__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
}
.contact__card--wx { border-left-color: #07c160; }
.contact__card-ico {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--theme-light);
  color: var(--theme);
}
.contact__card--wx .contact__card-ico { background: rgba(7, 193, 96, .12); color: #07c160; }
.contact__card-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.contact__card-name { font-size: 13px; font-weight: 400; color: var(--text-muted); }
.contact__card-val {
  font-style: normal;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
  line-height: 1.3;
}
.contact__card--tel .contact__card-val { color: var(--theme); }

/* 左侧热线 + 明细表 */
.contact__list h3 { font-size: 15px; font-weight: 400; color: var(--text-muted); margin-bottom: 8px; }
.contact__tel {
  display: inline-block;
  font-size: 32px;
  font-weight: 800;
  color: var(--theme);
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.contact__tel:hover { color: var(--theme-dark); }
.contact__table { width: 100%; border-collapse: collapse; font-size: 14px; }
.contact__table th {
  width: 84px;
  text-align: left;
  font-weight: 400;
  color: var(--text-muted);
  padding: 10px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  white-space: nowrap;
  vertical-align: top;
}
.contact__table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  color: var(--text-sub);
  vertical-align: top;
}
.contact__table td a { color: var(--theme); }
.contact__table td a:hover { text-decoration: underline; }

/* 右侧二维码 */
.contact__qr { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.contact__qr figure { margin: 0; text-align: center; }
.contact__qr img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
}
.contact__qr figcaption { margin-top: 8px; font-size: 13px; color: var(--text-muted); }

/* ---------- 关于我们-业务范围卡片 ---------- */
.biz-scope { margin: 28px 0 8px; }
.biz-scope__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.biz-scope__item {
  background: var(--theme-light);
  border: 1px solid rgba(0, 95, 147, .16);
  border-radius: 10px;
  padding: 18px 20px;
  transition: transform .2s, box-shadow .2s;
}
.biz-scope__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 95, 147, .1);
}
.biz-scope__item h4 {
  font-size: 17px;
  color: var(--theme);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(0, 95, 147, .25);
}
.biz-scope__item h4::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 2px;
  background: var(--theme);
  vertical-align: 2px;
}
.biz-scope__item p { margin: 0; font-size: 14px; line-height: 1.9; color: var(--text-sub); }

/* ---------- 页脚 ---------- */
.footer { background: var(--foot-bg); color: var(--foot-text); }
.footer a { color: rgba(255, 255, 255, .85); }
.footer a:hover { color: #fff; }
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding: 46px 0 36px;
}
.footer__col h4 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  position: relative;
}
.footer__col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: rgba(255, 255, 255, .6);
}
.footer__col li { padding: 5px 0; font-size: 14px; color: rgba(255, 255, 255, .8); }
.footer__contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 8px;
}
.footer__contact strong { font-size: 22px; color: #fff; display: block; }
.footer__qr { display: flex; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.footer__qr figure { margin: 0; text-align: center; font-size: 12px; }
.footer__qr img {
  width: 92px;
  height: 92px;
  background: #fff;
  border-radius: 4px;
  padding: 4px;
  object-fit: contain;
}
.footer__bottom {
  background: var(--foot-msg-bg);
  padding: 16px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
}
.footer__bottom .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__stats {
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  white-space: nowrap;
}
.footer__stats b {
  color: rgba(255, 255, 255, .9);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 悬浮工具 ---------- */
.fab {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fab button {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--theme);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 95, 147, .35);
  transition: background .2s;
}
.fab button:hover { background: var(--theme-dark); }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 30px;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; }
.lightbox__close {
  position: absolute;
  top: 20px;
  right: 26px;
  font-size: 34px;
  color: #fff;
  background: none;
  border: 0;
  cursor: pointer;
  line-height: 1;
}

/* ---------- 响应式 ---------- */
/* 901~1199px 窄桌面压缩档：logo/导航收紧，避免内容超出容器右缘（服务热线被裁） */
@media (max-width: 1199px) and (min-width: 901px) {
  .header .wrap { gap: 14px; }
  .logo__text { font-size: 18px; }
  .logo img { max-height: 40px; }
  .nav { gap: 0; }
  .nav__item > a { padding: 9px 10px; font-size: 14px; }
}
/* ≤1080px：header 大号热线收进折叠层（由顶部条「服务热线」承担展示，避免被视口右侧裁切） */
@media (max-width: 1080px) {
  .header__hotline { display: none; }
}

@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 62px; }
  .topbar { display: none; }
  .header__hotline { display: none; }
  .nav__toggle { display: block; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
    max-height: 70vh;
    overflow-y: auto;
    padding: 6px 0;
    gap: 0;
  }
  .nav.is-open { display: flex; }
  .nav__item > a { padding: 13px 20px; border-bottom: 1px solid var(--border); }
  .nav__item.is-active > a::after { display: none; }
  .nav__sub {
    display: none;
    position: static;
    border: 0;
    border-top: 0;
    box-shadow: none;
    padding: 0;
  }
  .nav__item.is-open .nav__sub { display: block; }
  .nav__sub a { padding: 10px 20px 10px 34px; background: var(--bg-soft); }
  .nav__search {
    display: flex;
    margin: 12px 16px 6px;
    order: -1;
  }
  .nav__search input { flex: 1; width: auto; }
  .nav__search input:focus { width: auto; }

  .grid, .grid--3, .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .hero__slide img { height: 240px; }
  .section { padding: 40px 0; }
  .section__title { font-size: 24px; }
  .about, .contact { grid-template-columns: 1fr; gap: 24px; }
  .inner { grid-template-columns: 1fr; }
  .side { position: static; }
  .entry { flex-wrap: wrap; }
  .entry__media { flex: 0 0 100%; }
  .entry__date { flex: 0 0 62px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .about-videos { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 24px; }
  /* 正文富文本表格：窄屏改为可横向滚动，避免撑破版面 */
  .article__content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .contact__table td { word-break: break-word; }
}

@media (max-width: 520px) {
  .grid, .grid--3, .grid--2 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card__title { font-size: 14px; }
  .article__content { font-size: 15px; }
  .biz-scope__grid { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
}

@media print {
  .header, .footer, .fab, .topbar { display: none; }
}