/* ===========================================================
   国旭工程咨询（云南）有限公司 · 静态站样式 v2
   风格复刻参考站 yngrzx.com 的版式与 AOS fade-up 滚动动画
   主色调：科技蓝 #1677ff
   移动端优先重做：抽屉导航 / 卡片化表格 / 触摸友好
   =========================================================== */

/* ---------- 设计 token ---------- */
:root {
  /* 主色：科技蓝 #1677ff */
  --c-primary: #1677ff;
  --c-primary-dark: #0958d9;
  --c-primary-deep: #003eb3;
  --c-primary-light: #4096ff;
  --c-primary-soft: rgba(22, 119, 255, .08);

  --c-accent: #c9a35b;         /* 金，红金配 */
  --c-accent-dark: #a8883f;

  --c-link: #333;
  --c-link-hover: var(--c-primary);

  --c-text: #333;
  --c-text-sub: #666;
  --c-text-muted: #999;
  --c-text-inverse: #fff;

  --c-bg: #fff;
  --c-bg-soft: #f5f5f5;
  --c-bg-stripe: #fafafa;
  --c-border: #e7e7e7;
  --c-border-strong: #ccc;

  --c-danger: #d30f0f;
  --c-success: #2e7d4f;
  --c-warning: #d97706;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .09);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, .14);

  --radius-sm: 2px;
  --radius-md: 4px;

  --font-base: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", "Songti SC", serif;

  --w-max: 1200px;
  --header-h: 96px;   /* PC 头部高度 */
  --nav-h: 50px;      /* PC 导航高度 */
  --mobile-header-h: 56px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  color: var(--c-text);
  background: var(--c-bg);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* 移动端禁止横向滚动 */
body { overflow-x: hidden; }
a { color: var(--c-link); text-decoration: none; transition: color .25s; }
a:hover { color: var(--c-link-hover); }
img { max-width: 100%; display: block; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; color: var(--c-text); }
button { font-family: inherit; cursor: pointer; }
input, button { font-size: 16px; }  /* 防 iOS 聚焦缩放 */

/* ---------- 工具类 ---------- */
.container { max-width: var(--w-max); margin: 0 auto; padding: 0 16px; width: 100%; }
.text-muted { color: var(--c-text-muted); }
.text-sub { color: var(--c-text-sub); }
.text-accent { color: var(--c-accent); }
.text-primary { color: var(--c-primary); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }

/* ---------- 溢出防护 ----------
   grid/flex 子项默认 min-width:auto，长标题会把轨道撑破导致整页横向滚动。
   统一允许收缩，让内部滚动容器（如分类条、表格）自己处理溢出。 */
.home-row > *,
.list-page > *,
.about-layout > *,
.card-grid > *,
.cert-bar > *,
.contact-grid > *,
.footer-main .container > * { min-width: 0; }

.sidebar,
.list-panel,
.detail-panel,
.notice-list,
.notice-list .item,
.list-table { min-width: 0; }

/* =========================================================
   AOS 风格滚动动画（复刻参考站 fade-up）
   原生实现，不依赖外部库
   ========================================================= */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: .7s;
  transition-timing-function: cubic-bezier(.25, .46, .45, .94);
  will-change: opacity, transform;
}
[data-aos="fade-up"] { transform: translate3d(0, 36px, 0); }
[data-aos="fade-down"] { transform: translate3d(0, -36px, 0); }
[data-aos="fade-left"] { transform: translate3d(36px, 0, 0); }
[data-aos="fade-right"] { transform: translate3d(-36px, 0, 0); }
[data-aos="zoom-in"] { transform: scale(.94); }

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* 尊重系统减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* =========================================================
   顶部 top bar
   ========================================================= */
.site-top {
  background: #f5f5f5;
  border-bottom: 1px solid var(--c-border);
  font-size: 12px;
  color: var(--c-text-sub);
}
.site-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
  gap: 12px;
}
.site-top .top-left { display: flex; align-items: center; gap: 16px; min-width: 0; }
.site-top .top-left span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.site-top .top-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.site-top .top-right a { color: var(--c-text-sub); white-space: nowrap; }
.site-top .top-right a:hover { color: var(--c-primary); }

/* =========================================================
   主 header
   ========================================================= */
.site-header { background: #fff; }
.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
/* 组合标（图形 + 国旭咨询 + 电子招投标交易平台），PNG 透明底，宽高比 3.58:1 */
.site-brand .brand-logo { display: block; height: 56px; width: auto; }

/* 顶部搜索 */
.site-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  height: 38px;
  border: 2px solid var(--c-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  flex-shrink: 0;
}
.site-search input {
  width: 230px;
  height: 100%;
  border: 0;
  outline: 0;
  padding: 0 12px;
  font-size: 13px;
  background: transparent;
  font-family: inherit;
}
.site-search button {
  height: 100%;
  border: 0;
  background: var(--c-primary);
  color: #fff;
  padding: 0 18px;
  font-size: 13px;
  letter-spacing: 1px;
  transition: background .25s;
}
.site-search button:hover { background: var(--c-primary-dark); }

/* 汉堡按钮（移动端显示） */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  border: 0;
  border-radius: var(--radius-md);
  color: #fff;
  flex-shrink: 0;
}
.nav-toggle .hamburger,
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  transition: transform .3s, opacity .3s;
  position: relative;
}
.nav-toggle .hamburger::before { content: ""; position: absolute; top: -6px; }
.nav-toggle .hamburger::after { content: ""; position: absolute; top: 6px; }
/* 打开态变 X */
body.nav-open .nav-toggle .hamburger { background: transparent; }
body.nav-open .nav-toggle .hamburger::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle .hamburger::after { transform: translateY(-6px) rotate(-45deg); }

/* =========================================================
   主导航（PC）
   ========================================================= */
.site-nav { background: var(--c-primary); color: #fff; }
.site-nav .container {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: var(--nav-h);
}
.site-nav .nav-list { display: flex; align-items: stretch; }
.site-nav .nav-item { display: flex; align-items: center; }
.site-nav .nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  color: rgba(255, 255, 255, .95);
  font-size: 15px;
  letter-spacing: 1px;
  white-space: nowrap;
  transition: background .25s, color .25s;
}
.site-nav .nav-link:hover,
.site-nav .nav-item.active .nav-link {
  background: var(--c-primary-dark);
  color: #e6f4ff;
}
.site-nav .nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e6f4ff;
  font-size: 13px;
  flex-shrink: 0;
}
.site-nav .nav-phone strong { font-size: 17px; letter-spacing: 1px; }

/* 移动端遮罩 */
.nav-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 900;
  opacity: 0;
  transition: opacity .3s;
}
body.nav-open .nav-mask { display: block; opacity: 1; }

/* =========================================================
   面包屑
   ========================================================= */
.site-breadcrumb {
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-border);
  font-size: 12px;
  color: var(--c-text-sub);
  padding: 10px 0;
}
.site-breadcrumb .container { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.site-breadcrumb a { color: var(--c-text-sub); }
.site-breadcrumb a:hover { color: var(--c-primary); }
.site-breadcrumb .sep { color: var(--c-border-strong); }

.site-main { min-height: 460px; padding: 28px 0 48px; background: var(--c-bg); }

/* =========================================================
   Banner 轮播（slick 风格：淡入淡出 + 箭头 + 圆点）
   ========================================================= */
.hero {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--c-primary-deep);
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .9s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-slide.active { opacity: 1; z-index: 2; }
/* 整张 Banner 可点击 */
.hero-slide .slide-link {
  position: absolute;
  inset: 0;
  display: block;
  z-index: 3;
}
/* 屏幕阅读器专用文本：Banner 图片自带文案，页面不再叠加视觉文字层 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* 轮播箭头 */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, .3);
  border: 0;
  color: #fff;
  font-size: 20px;
  border-radius: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .25s;
}
.hero-arrow:hover { background: rgba(0, 0, 0, .55); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* 轮播圆点 */
.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}
.hero-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .45);
  cursor: pointer;
  border: 0;
  padding: 0;
  transition: background .25s, transform .25s;
}
.hero-dots .dot.active { background: #fff; transform: scale(1.3); }

/* =========================================================
   区块标题（复刻参考站 maintitle / subtitle）
   ========================================================= */
.section { margin-top: 48px; }
.section-head {
  text-align: center;
  margin-bottom: 28px;
}
.section-head .title {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 3px;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-head .title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 44px;
  height: 3px;
  background: var(--c-primary);
}
.section-head .subtitle {
  font-size: 12px;
  color: var(--c-text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 8px;
}
.section-head .more {
  font-size: 13px;
  color: var(--c-text-muted);
}
.section-head .more:hover { color: var(--c-primary); }

/* 带"更多"的标题（左标题右更多） */
.section-head.row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  border-bottom: 2px solid var(--c-primary);
  padding-bottom: 12px;
}
.section-head.row .title {
  font-size: 22px;
  padding-bottom: 0;
  color: var(--c-primary);
}
.section-head.row .title::after { display: none; }

/* =========================================================
   首页布局
   ========================================================= */
.home-row {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

/* 公告列表 */
.notice-list .item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: 14px;
}
.notice-list .item:last-child { border-bottom: 0; }
.notice-list .item .tag {
  flex: 0 0 auto;
  padding: 2px 9px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(22, 119, 255, .22);
}
.notice-list .item .title {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--c-text);
  transition: color .25s;
}
.notice-list .item .title:hover { color: var(--c-primary); }
.notice-list .item .date {
  flex: 0 0 auto;
  color: var(--c-text-muted);
  font-size: 12px;
}

/* 卡片网格 */
.card-grid { display: grid; gap: 18px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.info-card {
  background: #fff;
  border: 1px solid var(--c-border);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow .3s, transform .3s, border-color .3s;
  text-align: center;
  align-items: center;
}
.info-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--c-primary);
}
.info-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s, transform .3s;
}
.info-card:hover .card-icon { background: var(--c-primary); transform: rotateY(180deg); }
.info-card:hover .card-icon img { filter: brightness(0) invert(1); }
.info-card .card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
}
.info-card .card-desc {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.75;
  flex: 1;
}
.info-card .card-more { font-size: 13px; color: var(--c-primary); }

/* 图文卡（案例） */
.image-card {
  background: #fff;
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: box-shadow .3s, transform .3s;
}
.image-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.image-card .img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-bg-soft);
}
.image-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.image-card:hover img { transform: scale(1.08); }
.image-card .img-title {
  padding: 13px 15px;
  font-size: 14px;
  color: var(--c-text);
  border-top: 1px solid var(--c-border);
  line-height: 1.5;
}
.image-card .img-meta { font-size: 12px; color: var(--c-text-muted); padding: 0 15px 14px; }

/* 资质条 */
.cert-bar {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  padding: 28px 20px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  text-align: center;
}
.cert-bar .cert {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-text-sub);
  transition: transform .3s;
}
.cert-bar .cert:hover { transform: translateY(-3px); }
.cert-bar .cert .cert-icon { width: 58px; height: 58px; }

/* 公司简介卡 */
.company-card {
  background: #fff;
  border: 1px solid var(--c-border);
  padding: 20px;
}
.company-card .company-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--c-bg-soft);
  margin-bottom: 16px;
  overflow: hidden;
}
.company-card .company-card-img img { width: 100%; height: 100%; object-fit: cover; }
.company-card p { font-size: 13px; color: var(--c-text-sub); line-height: 1.85; margin: 0; }
.company-card .more-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--c-primary);
}

/* =========================================================
   列表页（侧边栏 + 主区）
   ========================================================= */
.list-page { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: start; }

.sidebar {
  background: #fff;
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-primary);
}
.sidebar .side-title {
  padding: 13px 16px;
  background: var(--c-primary);
  color: #fff;
  font-size: 15px;
  letter-spacing: 1px;
  font-weight: 600;
}
.sidebar .side-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  font-size: 13px;
  color: var(--c-text);
  border-bottom: 1px dashed var(--c-border);
  transition: background .2s, color .2s, border-color .2s;
}
.sidebar .side-list a:hover,
.sidebar .side-list a.active {
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-left: 3px solid var(--c-primary);
  padding-left: 13px;
}
.sidebar .side-list a:last-child { border-bottom: 0; }
.sidebar .side-list a .count {
  font-size: 11px;
  color: var(--c-text-muted);
  background: var(--c-bg-soft);
  padding: 1px 7px;
  border-radius: 10px;
  flex-shrink: 0;
}

.list-panel { background: #fff; border: 1px solid var(--c-border); }
.list-panel .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-border);
}
.list-panel .panel-title { font-size: 16px; font-weight: 600; color: var(--c-primary); letter-spacing: 1px; }
.list-panel .panel-meta { font-size: 12px; color: var(--c-text-muted); }

.list-table { width: 100%; border-collapse: collapse; }
.list-table thead th {
  background: var(--c-primary);
  color: #fff;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .5px;
  padding: 13px 16px;
  text-align: left;
}
.list-table tbody td {
  padding: 15px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: middle;
}
.list-table tbody tr { transition: background .2s; }
.list-table tbody tr:hover { background: var(--c-bg-stripe); }
.list-table .title-cell a { color: var(--c-text); font-weight: 500; }
.list-table .title-cell a:hover { color: var(--c-primary); }
.list-table .title-cell .summary {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  color: var(--c-text-muted);
  font-weight: 400;
  line-height: 1.6;
}
.list-table .col-date { width: 110px; color: var(--c-text-muted); font-size: 13px; }
.list-table .col-status { width: 100px; }

.status-pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: var(--c-bg-soft);
  color: var(--c-text-sub);
  white-space: nowrap;
}
.status-pill.active { background: rgba(22, 119, 255, .1); color: var(--c-primary); }
.status-pill.today { background: rgba(46, 125, 79, .12); color: var(--c-success); }

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 12px;
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
}
.pagination .pg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--c-border-strong);
  background: #fff;
  color: var(--c-text);
  font-size: 13px;
  border-radius: var(--radius-sm);
  transition: all .2s;
}
.pagination .pg-btn.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pagination .pg-btn:hover:not(.active) { border-color: var(--c-primary); color: var(--c-primary); }
.pagination .pg-info { margin: 0 8px; font-size: 12px; color: var(--c-text-muted); }

/* =========================================================
   筛选条
   ========================================================= */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: var(--c-bg-stripe);
  border-bottom: 1px solid var(--c-border);
}
.filter-bar .filter-label { font-size: 13px; color: var(--c-text-sub); flex-shrink: 0; }
.filter-bar .filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-bar .filter-tabs .tab {
  padding: 5px 13px;
  font-size: 13px;
  border: 1px solid var(--c-border-strong);
  border-radius: 15px;
  color: var(--c-text);
  background: #fff;
  white-space: nowrap;
  transition: all .25s;
}
.filter-bar .filter-tabs .tab.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.filter-bar .filter-tabs .tab:hover:not(.active) { border-color: var(--c-primary); color: var(--c-primary); }
.filter-bar .filter-search {
  margin-left: auto;
  display: flex;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
}
.filter-bar .filter-search input {
  border: 0;
  outline: 0;
  width: 190px;
  padding: 7px 12px;
  font-size: 13px;
  font-family: inherit;
}
.filter-bar .filter-search button {
  border: 0;
  background: var(--c-primary);
  color: #fff;
  padding: 0 15px;
  font-size: 13px;
  transition: background .25s;
}
.filter-bar .filter-search button:hover { background: var(--c-primary-dark); }

/* =========================================================
   详情页
   ========================================================= */
.detail-panel { background: #fff; border: 1px solid var(--c-border); }
.detail-panel .detail-head { padding: 32px 28px 24px; border-bottom: 1px solid var(--c-border); text-align: center; }
.detail-panel .detail-title { font-size: 24px; font-weight: 600; color: var(--c-text); line-height: 1.55; }
.detail-panel .detail-meta {
  margin-top: 14px;
  font-size: 12px;
  color: var(--c-text-muted);
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.detail-panel .detail-body { padding: 28px; font-size: 14px; line-height: 1.95; color: var(--c-text); }
.detail-panel .detail-body p { margin: 0 0 13px; }
.detail-panel .detail-attach {
  margin-top: 26px;
  padding: 16px;
  background: var(--c-bg-stripe);
  border: 1px dashed var(--c-border-strong);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.detail-panel .detail-attach .attach-icon { width: 34px; height: 34px; flex-shrink: 0; }
.detail-panel .detail-attach a { color: var(--c-primary); margin-left: auto; flex-shrink: 0; }

/* =========================================================
   关于我们
   ========================================================= */
.about-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: start; }

.about-content { background: #fff; border: 1px solid var(--c-border); padding: 32px; }
.about-content h1 {
  font-size: 24px;
  color: var(--c-text);
  border-left: 4px solid var(--c-primary);
  padding-left: 14px;
  margin-bottom: 24px;
}
.about-content h2 {
  font-size: 18px;
  color: var(--c-primary);
  margin: 28px 0 14px;
  padding-left: 10px;
  border-left: 3px solid var(--c-primary);
}
.about-content p { margin: 0 0 14px; font-size: 14px; line-height: 1.95; color: var(--c-text); }
.about-content ul { padding-left: 22px; list-style: disc; margin: 0 0 14px; }
.about-content ul li { margin-bottom: 8px; font-size: 14px; line-height: 1.8; }

.timeline { padding-left: 18px; border-left: 2px solid var(--c-border); margin: 16px 0 24px; }
.timeline .tl-item { position: relative; padding: 6px 0 15px 18px; }
.timeline .tl-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 12px;
  width: 13px;
  height: 13px;
  background: var(--c-primary);
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--c-primary);
}
.timeline .tl-year { font-weight: 600; color: var(--c-primary); }
.timeline .tl-desc { color: var(--c-text-sub); font-size: 13px; }

.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--c-bg-stripe);
  border-left: 3px solid var(--c-primary);
}
.contact-item .ci-icon { width: 38px; height: 38px; flex: 0 0 38px; }
.contact-item .ci-label { font-size: 12px; color: var(--c-text-muted); }
.contact-item .ci-value { font-size: 15px; font-weight: 600; color: var(--c-text); margin-top: 3px; word-break: break-word; }

.job-card {
  border: 1px solid var(--c-border);
  padding: 22px;
  margin-bottom: 16px;
  transition: box-shadow .3s, border-color .3s;
}
.job-card:hover { box-shadow: var(--shadow-sm); border-color: var(--c-primary); }
.job-card .job-title { font-size: 18px; color: var(--c-text); font-weight: 600; }
.job-card .job-meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--c-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
}
.job-card .job-meta span { padding: 0 12px; border-right: 1px solid var(--c-border); }
.job-card .job-meta span:first-child { padding-left: 0; }
.job-card .job-meta span:last-child { border-right: 0; }
.job-card .job-desc { margin-top: 12px; font-size: 13px; color: var(--c-text-sub); line-height: 1.85; }
.job-card .job-status {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(46, 125, 79, .12);
  color: var(--c-success);
  font-size: 12px;
  border-radius: 10px;
  margin-left: 10px;
  vertical-align: middle;
}

.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-item .faq-q {
  padding: 15px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-text);
  font-weight: 500;
}
.faq-item .faq-q::before {
  content: "Q";
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
  flex: 0 0 22px;
}
.faq-item .faq-a {
  padding: 0 0 15px 32px;
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.9;
  display: none;
}
.faq-item.open .faq-a { display: block; }
.faq-item .faq-toggle { margin-left: auto; font-size: 18px; color: var(--c-primary); font-weight: 700; flex-shrink: 0; }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  background: #1f1f1f;
  color: rgba(255, 255, 255, .72);
  margin-top: 56px;
}
.friendly-links {
  background: rgba(255, 255, 255, .05);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.friendly-links .fl-title {
  font-size: 13px;
  color: var(--c-accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.friendly-links .fl-list { display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: 12px; }
.friendly-links .fl-list a { color: rgba(255, 255, 255, .7); }
.friendly-links .fl-list a:hover { color: var(--c-accent); }

.footer-main { padding: 40px 0 20px; }
.footer-main .container { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.footer-main .ft-brand .ft-name { font-size: 17px; color: #fff; font-weight: 600; margin-bottom: 12px; }
.footer-main .ft-brand .ft-desc { font-size: 12px; line-height: 1.9; color: rgba(255, 255, 255, .62); }
.footer-main h4 { color: var(--c-accent); font-size: 14px; letter-spacing: 1px; margin-bottom: 14px; font-weight: 600; }
.footer-main .ft-list a,
.footer-main .ft-list li {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, .68);
  margin-bottom: 9px;
  line-height: 1.7;
}
.footer-main .ft-list a:hover { color: var(--c-accent); }

.copyright {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
  line-height: 1.8;
}

/* =========================================================
   返回顶部
   ========================================================= */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  background: var(--c-primary);
  color: #fff;
  border: 0;
  border-radius: 50%;
  font-size: 18px;
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  transition: background .25s, transform .25s;
}
.back-top:hover { background: var(--c-primary-dark); transform: translateY(-3px); }
.back-top.show { display: flex; }

/* 空状态 */
.empty-state { padding: 48px 20px; text-align: center; color: var(--c-text-muted); font-size: 13px; }
.empty-state .empty-icon { width: 64px; height: 64px; margin: 0 auto 14px; opacity: .45; }

/* =========================================================
   平板 769~1024
   ========================================================= */
@media (max-width: 1024px) {
  .card-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-main .container { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .footer-main .ft-brand { grid-column: 1 / -1; }
  .site-brand .brand-logo { height: 48px; }
  .site-search input { width: 160px; }
  .site-nav .nav-link { padding: 0 14px; font-size: 14px; }
  .hero { height: 360px; }
}

/* =========================================================
   手机 ≤768px —— 重点重做
   ========================================================= */
@media (max-width: 768px) {
  /* --- 隐藏 PC 专属元素 --- */
  .site-top { display: none; }
  .site-search { display: none; }
  .site-nav .nav-phone { display: none; }
  .hero-arrow { display: none; }

  /* --- header 收缩 --- */
  .site-header .container {
    height: var(--mobile-header-h);
    gap: 12px;
    padding: 0 12px;
  }
  /* 页头 56px，logo 上限约 40px（上下各留 8px） */
  .site-brand .brand-logo { height: 40px; }
  .nav-toggle { display: flex; }

  /* --- 导航改为右侧抽屉 --- */
  .site-nav { position: static; }
  .site-nav .container { padding: 0; height: auto; }
  .site-nav .nav-list {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 76%;
    max-width: 300px;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    z-index: 1000;
    transform: translateX(100%);
    visibility: hidden;              /* 关闭时不可见，避免离屏元素干扰可访问性与滚动 */
    transition: transform .32s cubic-bezier(.4, 0, .2, 1), visibility 0s .32s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-lg);
    padding-top: 8px;
  }
  body.nav-open .site-nav .nav-list {
    transform: translateX(0);
    visibility: visible;
    transition: transform .32s cubic-bezier(.4, 0, .2, 1), visibility 0s 0s;
  }
  /* 抽屉打开时锁定背景滚动 */
  body.nav-open { overflow: hidden; }
  .site-nav .nav-item { width: 100%; border-bottom: 1px solid var(--c-border); }
  .site-nav .nav-link {
    padding: 15px 18px;
    width: 100%;
    height: auto;
    color: var(--c-text);
    font-size: 15px;
    justify-content: space-between;
  }
  .site-nav .nav-link::after {
    content: "›";
    color: var(--c-text-muted);
    font-size: 18px;
  }
  .site-nav .nav-item.active .nav-link {
    background: var(--c-primary-soft);
    color: var(--c-primary);
    border-left: 3px solid var(--c-primary);
  }
  .site-nav .nav-link:hover { background: var(--c-bg-soft); }

  /* --- Banner --- */
  /* 三张 Banner 均为 1920×480（4:1），文案落在横向 12%–65% 区间（tools/analyze-banner.py 实测）。
     窄屏下用 cover 只能露出部分宽度：高度取 min(240px, 38vw) 可保证至少露出 65%，
     配合靠左定位，手机上文案完整不截断；宽屏仍用 240px。 */
  .hero { height: min(240px, 38vw); }
  .hero-slide { background-position: left center; }
  .hero-dots { bottom: 14px; }

  /* --- 容器与间距 --- */
  .container { padding: 0 12px; }
  .site-main { padding: 18px 0 32px; }
  .section { margin-top: 32px; }
  .section-head { margin-bottom: 18px; }
  .section-head .title { font-size: 20px; letter-spacing: 2px; }
  .section-head .subtitle { font-size: 11px; letter-spacing: 2px; }
  .section-head.row .title { font-size: 18px; }

  /* --- 首页两栏 → 单栏 --- */
  .home-row { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .list-page { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .about-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }

  /* --- 卡片网格 → 单列/双列 --- */
  .card-grid.cols-4,
  .card-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .card-grid.cols-2 { grid-template-columns: minmax(0, 1fr); }
  .info-card { padding: 18px 14px; }
  .info-card .card-title { font-size: 15px; }
  .info-card .card-desc { font-size: 12px; }
  .info-card .card-icon { width: 46px; height: 46px; }
  .cert-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 20px 14px; gap: 16px; }
  .cert-bar .cert { font-size: 12px; }
  .cert-bar .cert .cert-icon { width: 46px; height: 46px; }

  /* --- 侧边栏 → 横向滚动分类（手机更易操作） --- */
  .sidebar { border-top-width: 2px; }
  .sidebar .side-title { padding: 11px 14px; font-size: 14px; }
  .sidebar .side-list {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .sidebar .side-list::-webkit-scrollbar { display: none; }
  .sidebar .side-list a {
    flex: 0 0 auto;
    border-bottom: 0;
    border-right: 1px solid var(--c-border);
    padding: 11px 14px;
    white-space: nowrap;
  }
  .sidebar .side-list a:hover,
  .sidebar .side-list a.active {
    border-left: 0;
    padding-left: 14px;
    border-bottom: 2px solid var(--c-primary);
  }

  /* --- 筛选条 --- */
  .filter-bar { padding: 12px 14px; gap: 8px; }
  .filter-bar .filter-label { width: 100%; }
  .filter-bar .filter-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .filter-bar .filter-tabs::-webkit-scrollbar { display: none; }
  .filter-bar .filter-tabs .tab { flex: 0 0 auto; padding: 6px 13px; font-size: 13px; }
  .filter-bar .filter-search { margin-left: 0; width: 100%; }
  .filter-bar .filter-search input { flex: 1; width: auto; min-width: 0; padding: 9px 12px; }
  .filter-bar .filter-search button { padding: 0 16px; }

  /* --- 表格 → 卡片式（彻底重做） --- */
  .list-table thead { display: none; }
  .list-table tbody tr {
    display: block;
    padding: 14px;
    border-bottom: 1px solid var(--c-border);
    border-left: 3px solid transparent;
  }
  .list-table tbody tr:hover { background: var(--c-bg-stripe); border-left-color: var(--c-primary); }
  .list-table tbody td {
    display: block;
    width: auto !important;
    padding: 0;
    border: 0;
    margin-bottom: 6px;
    font-size: 13px;
  }
  .list-table tbody td:last-child { margin-bottom: 0; }
  .list-table .title-cell { margin-bottom: 8px; }
  .list-table .title-cell a { font-size: 15px; line-height: 1.6; display: block; }
  .list-table .title-cell .summary {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 6px;
    font-size: 12px;
  }
  /* 非标题单元格：小字灰底标签行 */
  .list-table tbody td:not(.title-cell) {
    display: inline-block;
    margin-right: 10px;
    color: var(--c-text-muted);
    font-size: 12px;
  }
  .list-table tbody td:not(.title-cell)::before { content: ""; }
  .list-table .col-status { display: inline-block; }
  .list-table .col-date { display: inline-block; width: auto !important; }

  /* --- 详情 --- */
  .detail-panel .detail-head { padding: 22px 16px 18px; }
  .detail-panel .detail-title { font-size: 19px; }
  .detail-panel .detail-meta { gap: 10px 14px; font-size: 11px; }
  .detail-panel .detail-body { padding: 18px 16px; font-size: 14px; line-height: 1.9; }
  .detail-panel .detail-attach { flex-wrap: wrap; gap: 10px; }
  .detail-panel .detail-attach a { margin-left: 0; width: 100%; text-align: right; }

  /* --- 关于我们 --- */
  .about-content { padding: 20px 16px; }
  .about-content h1 { font-size: 20px; margin-bottom: 18px; }
  .about-content h2 { font-size: 16px; margin: 22px 0 12px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .contact-item { padding: 15px; }
  .contact-item .ci-value { font-size: 14px; }
  .job-card { padding: 16px; }
  .job-card .job-title { font-size: 16px; }
  .job-card .job-status { display: inline-block; margin-left: 0; margin-top: 6px; }
  .job-card .job-meta span { padding: 0 8px; font-size: 11px; }

  /* --- 分页 --- */
  .pagination { padding: 16px 10px; gap: 5px; }
  .pagination .pg-btn { min-width: 32px; height: 32px; padding: 0 8px; font-size: 13px; }
  .pagination .pg-info { width: 100%; text-align: center; margin: 6px 0 0; }

  /* --- 面包屑 --- */
  .site-breadcrumb { font-size: 11px; padding: 8px 0; }

  /* --- 页脚：品牌整行 + 链接双列 + 联系方式双列，压缩高度 --- */
  .footer-main { padding: 24px 0 12px; }
  .footer-main .container { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; }
  .footer-main .ft-brand,
  .footer-main .ft-contact { grid-column: 1 / -1; }
  .footer-main .ft-brand .ft-name { font-size: 15px; margin-bottom: 8px; }
  .footer-main .ft-brand .ft-desc {
    font-size: 11.5px; line-height: 1.75;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  }
  .footer-main h4 { font-size: 13px; margin-bottom: 9px; }
  .footer-main .ft-list a,
  .footer-main .ft-list li { font-size: 11.5px; line-height: 1.6; margin-bottom: 5px; }
  .footer-main .ft-contact .ft-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 14px; }
  .footer-main .ft-contact .ft-list li:first-child { grid-column: 1 / -1; }
  .friendly-links { padding: 12px 0; }
  .friendly-links .fl-title { font-size: 12px; margin-bottom: 8px; }
  .friendly-links .fl-list { gap: 6px 14px; font-size: 11.5px; }
  .copyright { padding: 12px 0 58px; font-size: 11px; }
  .site-footer { margin-top: 32px; }

  /* --- 返回顶部（避开底部） --- */
  .back-top { right: 14px; bottom: 14px; width: 42px; height: 42px; }

  /* --- 首页公告列表：手机端改为「标签 / 标题 / 日期」三行，标题完整不截断 --- */
  .notice-list .item {
    display: block;
    padding: 13px 0;
  }
  .notice-list .item .tag {
    display: inline-block;
    margin-bottom: 7px;
  }
  .notice-list .item .title {
    display: block;
    white-space: normal;
    overflow: visible;
    font-size: 14px;
    line-height: 1.65;
  }
  .notice-list .item .date {
    display: block;
    margin-top: 6px;
    font-size: 11px;
  }
}

/* 超小屏 ≤400px */
@media (max-width: 400px) {
  .card-grid.cols-4,
  .card-grid.cols-3 { grid-template-columns: minmax(0, 1fr); }
  .cert-bar { grid-template-columns: minmax(0, 1fr); }
  /* Banner 高度统一由 ≤768px 断点的 min(240px, 50vw) 控制，此处不再单独设定，避免窄屏裁切加剧 */
  .site-brand .brand-logo { height: 38px; }
  /* 超窄屏：页脚联系方式回到单列 */
  .footer-main .ft-contact .ft-list { grid-template-columns: minmax(0, 1fr); }
  .footer-main .ft-contact .ft-list li:first-child { grid-column: auto; }
}