/* ==========================================================================
   泸州市小微企业商会 · 升级版官网模板
   设计基调：中国红 × 鎏金 × 墨色 —— 简洁大气、稳重可信、跟随潮流
   --------------------------------------------------------------------------
   目录
   01. 设计变量 / Reset
   02. 通用工具类
   03. 顶栏 Topbar
   04. 页头 Header / 导航
   05. 移动端抽屉菜单
   06. Hero 轮播
   07. 数据条 Stats
   08. 区块标题
   09. 关于我们 About
   10. 新闻资讯 News（含 Tab）
   11. 商会领导 Leaders
   12. 快捷服务 Services
   13. 企业风采 Companies
   14. 视频/合作条
   15. 页脚 Footer
   16. 内页横幅 PageBanner
   17. 侧边栏 Sidebar
   18. 列表页 List
   19. 详情页 Detail
   20. 会员页 Members
   21. 表单 Form
   22. 联系页 Contact
   23. 分页 Pagination
   24. 动效 / 辅助
   25. 响应式
   ========================================================================== */

/* ========== 01. 设计变量 / Reset ========== */
:root {
  --primary: #A6192E;            /* 中国红 */
  --primary-dark: #8A1224;
  --primary-deep: #5F0D1B;
  --primary-soft: #FBEEF0;
  --gold: #C9A063;               /* 鎏金 */
  --gold-deep: #A97F3F;
  --gold-light: #EFE3C8;
  --ink: #1B212C;                /* 墨色 */
  --ink-2: #2A3242;
  --text: #4B5568;
  --muted: #8A94A6;
  --line: #E7EAF0;
  --bg: #FFFFFF;
  --bg-soft: #F5F7FA;
  --bg-deep: #101623;            /* 深色底 */
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 12px rgba(24, 32, 55, .06);
  --shadow-md: 0 12px 34px rgba(24, 32, 55, .10);
  --shadow-lg: 0 28px 70px rgba(24, 32, 55, .16);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 86px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

h1, h2, h3, h4, h5 { font-weight: 700; color: var(--ink); line-height: 1.35; }

.container { width: min(1240px, 92%); margin-inline: auto; }

/* ========== 02. 通用工具类 ========== */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-deep { background: var(--bg-deep); }

.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1;
  border: 1.5px solid transparent;
  transition: all .3s var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(166, 25, 46, .30); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 16px 32px rgba(166, 25, 46, .38); }
.btn-ghost { border-color: rgba(255, 255, 255, .85); color: #fff; background: rgba(255, 255, 255, .06); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: #fff; color: var(--primary); transform: translateY(-2px); }

.text-red { color: var(--primary); }

/* ========== 03. 顶栏 Topbar ========== */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: rgba(255, 255, 255, .72); }
.topbar a:hover { color: var(--gold); }
.topbar .tb-left { display: flex; gap: 26px; align-items: center; }
.topbar .tb-right { display: flex; gap: 20px; align-items: center; }
.topbar .tb-right .sep { opacity: .3; }
.topbar .tb-phone { color: #fff; font-weight: 600; letter-spacing: .5px; }

/* ========== 04. 页头 Header ========== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(231, 234, 240, .9);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }

.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand .badge {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(150deg, #C02A3E, var(--primary) 55%, var(--primary-deep));
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 8px 20px rgba(166, 25, 46, .35), inset 0 0 0 1.5px rgba(255, 255, 255, .18);
  position: relative;
}
.brand .badge svg { width: 30px; height: 30px; }
.brand .bt { line-height: 1.25; display: flex; flex-direction: column; justify-content: center; }
.brand .bt .h1 { font-size: 22px; letter-spacing: 2px; color: var(--ink); font-weight: 800; line-height: 1.2; }
.brand .bt .h1 span { color: var(--primary); }
.brand .bt .p { font-size: 10px; letter-spacing: 1.6px; color: var(--muted); text-transform: uppercase; margin-top: 3px; line-height: 1.2; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: flex; align-items: center; gap: 5px;
  padding: 12px 18px; font-size: 16px; font-weight: 600; color: var(--ink-2);
  border-radius: 10px; position: relative;
}
.main-nav > li > a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 4px;
  height: 2.5px; border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.main-nav > li > a:hover { color: var(--primary); }
.main-nav > li > a:hover::after,
.main-nav > li.active > a::after,
.main-nav > li.on > a::after,
.main-nav > li.onhas-sub > a::after { transform: scaleX(1); }
.main-nav > li.active > a,
.main-nav > li.on > a,
.main-nav > li.onhas-sub > a { color: var(--primary); }
.main-nav .caret { font-size: 10px; opacity: .6; transition: transform .3s var(--ease); }

/* 下拉菜单 */
.main-nav .sub {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 172px; padding: 10px;
  background: #fff; border-radius: 14px;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden;
  transition: all .3s var(--ease);
  border: 1px solid var(--line);
}
.main-nav .sub::before {
  content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px;
}
.main-nav > li:hover .sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.main-nav .sub a {
  display: block; padding: 9px 14px; font-size: 14px; color: var(--text);
  border-radius: 8px;
}
.main-nav .sub a:hover { color: var(--primary); background: var(--primary-soft); padding-left: 20px; }

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-actions .icon-btn {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--ink-2);
  transition: all .3s var(--ease);
}
.header-actions .icon-btn:hover { background: var(--primary); color: #fff; }
.header-actions .icon-btn svg { width: 19px; height: 19px; }

/* 搜索弹出 */
.search-pop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(16, 22, 35, .55); backdrop-filter: blur(6px);
  display: grid; place-items: start center; padding-top: 18vh;
  opacity: 0; visibility: hidden; transition: all .35s var(--ease);
}
.search-pop.open { opacity: 1; visibility: visible; }
.search-pop .box {
  width: min(680px, 90%); padding: 18px 18px 18px 28px;
  background: #fff; border-radius: 999px;
  display: flex; gap: 14px; align-items: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px); transition: transform .35s var(--ease);
}
.search-pop.open .box { transform: translateY(0); }
.search-pop input { flex: 1; border: none; outline: none; font-size: 16px; background: transparent; }
.search-pop .go { background: var(--primary); color: #fff; border-radius: 999px; padding: 12px 30px; font-weight: 600; }
.search-pop .close {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg-soft); color: var(--muted); font-size: 18px;
}
.search-pop .close:hover { background: var(--primary); color: #fff; }

/* 汉堡按钮 */
.hamburger { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft); position: relative; z-index: 160; }
.hamburger span {
  position: absolute; left: 12px; right: 12px; height: 2.2px; border-radius: 2px;
  background: var(--ink); transition: all .35s var(--ease);
}
.hamburger span:nth-child(1) { top: 15px; }
.hamburger span:nth-child(2) { top: 21px; }
.hamburger span:nth-child(3) { top: 27px; }
.hamburger.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ========== 05. 移动端抽屉菜单 ========== */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 150;
  width: min(320px, 86vw); background: #fff;
  transform: translateX(105%); transition: transform .4s var(--ease);
  display: flex; flex-direction: column;
  box-shadow: -20px 0 60px rgba(16, 22, 35, .2);
}
.drawer.open { transform: translateX(0); }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px; background: var(--ink); color: #fff;
}
.drawer-head .brand-mini { display: flex; align-items: center; gap: 10px; }
.drawer-head .brand-mini .badge { width: 38px; height: 38px; border-radius: 10px; background: var(--primary); display: grid; place-items: center; color: #fff; font-weight: 800; }
.drawer-head .x { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .12); font-size: 16px; }
.drawer-nav { flex: 1; overflow-y: auto; padding: 14px; }
.drawer-nav > li > a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 14px; font-size: 16px; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.drawer-nav > li.active > a,
.drawer-nav > li.on > a,
.drawer-nav > li.onhas-sub > a { color: var(--primary); }
.drawer-nav .d-sub { display: none; background: var(--bg-soft); padding: 8px 0; }
.drawer-nav .d-sub a { display: block; padding: 10px 26px; font-size: 14px; color: var(--text); }
.drawer-nav .d-sub a:hover { color: var(--primary); }
.drawer-foot { padding: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

.mask { position: fixed; inset: 0; z-index: 140; background: rgba(16, 22, 35, .5); opacity: 0; visibility: hidden; transition: all .35s var(--ease); }
.mask.show { opacity: 1; visibility: visible; }

/* ========== 06. Hero 轮播 ========== */
.hero { position: relative; height: min(640px, 86vh); min-height: 460px; overflow: hidden; background: var(--bg-deep); }
.hero .slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s var(--ease); }
.hero .slide.active { opacity: 1; z-index: 1; }
.hero .slide .bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.08); transition: transform 7s linear;
}
.hero .slide.active .bg { transform: scale(1); }
.hero .slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(16, 22, 35, .82) 0%, rgba(16, 22, 35, .55) 45%, rgba(16, 22, 35, .18) 100%);
}
.hero .slide .inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
}
.hero .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--gold-light); font-size: 14px; letter-spacing: 3px;
  margin-bottom: 22px;
}
.hero .kicker::before { content: ""; width: 44px; height: 2px; background: linear-gradient(90deg, transparent, var(--gold)); }
.hero .slide h2 {
  color: #fff; font-size: clamp(34px, 5vw, 60px);
  font-weight: 800; letter-spacing: 2px; line-height: 1.25;
  font-family: var(--font-serif);
  max-width: 15em;
}
.hero .slide h2 em { font-style: normal; color: var(--gold); }
.hero .slide .desc {
  color: rgba(255, 255, 255, .82); font-size: 17px; max-width: 34em; margin-top: 20px;
}
.hero .slide .acts { display: flex; gap: 16px; margin-top: 38px; }
.hero .slide .acts a { opacity: 0; transform: translateY(18px); transition: all .6s var(--ease) .2s; }
.hero .slide.active .acts a { opacity: 1; transform: translateY(0); }

.hero .dots { position: absolute; z-index: 5; bottom: 64px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; }
.hero .dots button {
  width: 26px; height: 5px; border-radius: 4px; background: rgba(255, 255, 255, .35);
  transition: all .35s var(--ease);
}
.hero .dots button.on { width: 46px; background: var(--gold); }
.hero .arrow {
  position: absolute; z-index: 5; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .25);
  color: #fff; font-size: 20px; display: grid; place-items: center;
  backdrop-filter: blur(6px); transition: all .3s var(--ease);
}
.hero .arrow:hover { background: var(--primary); border-color: var(--primary); }
.hero .arrow.prev { left: 3vw; }
.hero .arrow.next { right: 3vw; }

/* ========== 07. 数据条 Stats ========== */
.stats { position: relative; z-index: 6; margin-top: -56px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.stats-item { background: #fff; padding: 30px 20px; text-align: center; transition: all .35s var(--ease); position: relative; }
.stats-item:hover { background: var(--primary); }
.stats-item .num {
  font-size: 46px; font-weight: 800; color: var(--primary);
  line-height: 1; font-family: var(--font-serif);
  transition: color .35s var(--ease);
}
.stats-item .num small { font-size: 20px; margin-left: 2px; }
.stats-item .label { margin-top: 10px; font-size: 14px; color: var(--muted); letter-spacing: 1px; transition: color .35s var(--ease); }
.stats-item:hover .num { color: #fff; }
.stats-item:hover .label { color: rgba(255, 255, 255, .85); }

/* ========== 08. 区块标题 ========== */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 44px; }
.sec-head .lt .tag {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 10px;
}
.sec-head .lt .tag::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--gold)); }
.sec-head .lt h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; font-family: var(--font-serif); letter-spacing: 1px; }
.sec-head .lt h2 em { font-style: normal; color: var(--primary); }
.sec-head .lt p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.sec-head .more {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 14px; font-weight: 600;
  padding-bottom: 6px; border-bottom: 2px solid var(--line);
  transition: all .3s var(--ease); flex-shrink: 0;
}
.sec-head .more:hover { color: var(--primary); border-color: var(--primary); gap: 14px; }
.sec-head.on-dark .lt h2 { color: #fff; }
.sec-head.on-dark .lt p { color: rgba(255, 255, 255, .6); }

/* ========== 09. 关于我们 About ========== */
.about-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media .main-pic {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 4 / 3;
}
.about-media .main-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.about-media:hover .main-pic img { transform: scale(1.05); }
.about-media .badge-year {
  position: absolute; right: -18px; bottom: -22px;
  background: linear-gradient(150deg, var(--primary), var(--primary-deep));
  color: #fff; border-radius: 16px; padding: 20px 26px;
  box-shadow: var(--shadow-md); text-align: center;
}
.about-media .badge-year strong { font-size: 44px; font-weight: 800; line-height: 1; font-family: var(--font-serif); display: block; }
.about-media .badge-year span { font-size: 12px; letter-spacing: 3px; opacity: .85; margin-top: 4px; display: block; }
.about-media .deco-ring {
  position: absolute; left: -28px; top: -28px; width: 120px; height: 120px;
  border: 2px dashed rgba(201, 160, 99, .5); border-radius: 50%; z-index: -1;
  animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.about-txt .lead { font-size: 18px; color: var(--ink); font-weight: 600; line-height: 1.9; margin-bottom: 14px; }
.about-txt .lead b { color: var(--primary); }
.about-txt p { margin-bottom: 12px; }
.about-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0 30px; }
.about-feats li {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 16px; font-size: 14px; font-weight: 600; color: var(--ink-2);
  transition: all .3s var(--ease);
}
.about-feats li:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.about-feats li .ico {
  width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
  background: var(--primary-soft); color: var(--primary);
  display: grid; place-items: center; font-size: 16px;
}

/* ========== 10. 新闻资讯 News ========== */
.news-tabs { display: flex; gap: 10px; flex-wrap: wrap; }
.news-tabs button {
  padding: 10px 24px; border-radius: 999px; font-size: 15px; font-weight: 600;
  color: var(--text); background: #fff; border: 1.5px solid var(--line);
  transition: all .3s var(--ease);
}
.news-tabs button.on { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(166, 25, 46, .28); }
.news-tabs button:hover { border-color: var(--primary); color: var(--primary); }
.news-tabs button.on:hover { color: #fff; }

.news-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; }
.news-main { display: grid; gap: 24px; }

.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: all .4s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.news-card.featured { display: grid; grid-template-columns: 1.15fr 1fr; }
.news-card .pic { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.news-card.featured .pic { aspect-ratio: auto; height: 100%; min-height: 240px; }
.news-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-card:hover .pic img { transform: scale(1.07); }
.news-card .pic .cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(166, 25, 46, .92); color: #fff; font-size: 12px;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 1px;
}
.news-card .body { padding: 22px 24px; display: flex; flex-direction: column; }
.news-card .body h3 { font-size: 17px; font-weight: 700; line-height: 1.55; transition: color .3s var(--ease); }
.news-card.featured .body h3 { font-size: 19px; }
.news-card:hover .body h3 { color: var(--primary); }
.news-card .body p { font-size: 13.5px; color: var(--muted); margin: 10px 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .body .meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12.5px; }
.news-card .body .meta .more { color: var(--primary); font-weight: 600; opacity: 0; transform: translateX(-8px); transition: all .35s var(--ease); }
.news-card:hover .body .meta .more { opacity: 1; transform: translateX(0); }

.news-side { display: grid; gap: 14px; }
.news-item {
  display: flex; gap: 16px; align-items: stretch;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; transition: all .35s var(--ease);
}
.news-item:hover { border-color: var(--primary); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.news-item .pic { width: 118px; border-radius: 10px; overflow: hidden; flex-shrink: 0; aspect-ratio: 4 / 3; }
.news-item .pic img { width: 100%; height: 100%; object-fit: cover; }
.news-item .txt { display: flex; flex-direction: column; min-width: 0; }
.news-item .txt h3 { font-size: 14.5px; line-height: 1.55; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .3s; }
.news-item:hover .txt h3 { color: var(--primary); }
.news-item .txt .date { margin-top: auto; font-size: 12px; color: var(--muted); }

/* ========== 11. 商会领导 Leaders ========== */
.leaders { position: relative; overflow: hidden; }
.leaders::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 400px at 85% 0%, rgba(166, 25, 46, .35), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(201, 160, 99, .18), transparent 55%);
  pointer-events: none;
}
.leaders-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.leader-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg); overflow: hidden;
  backdrop-filter: blur(8px);
  transition: all .4s var(--ease); text-align: center;
}
.leader-card:hover { transform: translateY(-8px); border-color: var(--gold); background: rgba(255, 255, 255, .09); box-shadow: 0 24px 50px rgba(0, 0, 0, .35); }
.leader-card .photo { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.leader-card .photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; filter: saturate(.9); transition: all .6s var(--ease); }
.leader-card:hover .photo img { transform: scale(1.06); filter: saturate(1.05); }
.leader-card .photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(16, 22, 35, .55), transparent 45%);
}
.leader-card .role {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); z-index: 2;
  background: linear-gradient(135deg, #D9B878, var(--gold-deep));
  color: #fff; font-size: 12.5px; font-weight: 700; letter-spacing: 2px;
  padding: 5px 18px; border-radius: 999px; white-space: nowrap;
}
.leader-card .info { padding: 20px 16px 24px; }
.leader-card .info h3 { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 2px; }
.leader-card .info p { color: rgba(255, 255, 255, .65); font-size: 13px; margin-top: 6px; line-height: 1.7; }

/* ========== 12. 快捷服务 Services ========== */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.svc-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 210px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 26px; color: #fff;
  background: var(--ink-2);
  isolation: isolate;
  transition: all .4s var(--ease);
}
.svc-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(420px 220px at 100% 0%, rgba(255, 255, 255, .18), transparent 60%),
    linear-gradient(160deg, var(--c1, #B03044), var(--c2, #7C1024));
  transition: transform .6s var(--ease);
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.svc-card:hover::before { transform: scale(1.12); }
.svc-card .ico {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 18px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .3);
  display: grid; place-items: center; font-size: 26px;
  backdrop-filter: blur(4px);
}
.svc-card h3 { color: #fff; font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.svc-card p { color: rgba(255, 255, 255, .75); font-size: 13px; margin-top: 6px; }
.svc-card .arrow-link {
  position: absolute; right: 22px; top: 22px;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4); display: grid; place-items: center;
  font-size: 15px; transition: all .35s var(--ease);
}
.svc-card:hover .arrow-link { background: #fff; color: var(--primary); transform: rotate(-45deg); }

/* ========== 13. 企业风采 Companies ========== */
.comp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.comp-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3.4; }
.comp-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.comp-card:hover img { transform: scale(1.08); }
.comp-card .ovl {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to top, rgba(16, 22, 35, .88) 0%, rgba(16, 22, 35, .25) 55%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px; color: #fff;
}
.comp-card .ovl h3 { color: #fff; font-size: 16px; font-weight: 700; transform: translateY(8px); transition: transform .4s var(--ease); }
.comp-card .ovl p { font-size: 12.5px; color: rgba(255, 255, 255, .7); margin-top: 4px; opacity: 0; transform: translateY(10px); transition: all .4s var(--ease) .05s; }
.comp-card:hover .ovl h3 { transform: translateY(0); color: var(--gold-light); }
.comp-card:hover .ovl p { opacity: 1; transform: translateY(0); }

/* ========== 14. 视频 / 合作条 ========== */
.video-band { position: relative; overflow: hidden; border-radius: var(--radius-lg); min-height: 300px; display: flex; align-items: center; padding: 48px; isolation: isolate; }
.video-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, #1C2434, #101623);
}
.video-band::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background:
    radial-gradient(500px 300px at 90% 10%, rgba(166, 25, 46, .5), transparent 60%),
    radial-gradient(400px 260px at 5% 100%, rgba(201, 160, 99, .25), transparent 60%);
}
.video-band .play {
  width: 86px; height: 86px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255, 255, 255, .12); border: 1.5px solid rgba(255, 255, 255, .4);
  display: grid; place-items: center; color: #fff; font-size: 24px;
  transition: all .35s var(--ease); margin-right: 34px; position: relative;
}
.video-band .play::after {
  content: ""; position: absolute; inset: -10px; border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .25);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse { 0% { transform: scale(.9); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }
.video-band .play:hover { background: var(--primary); border-color: var(--primary); transform: scale(1.06); }
.video-band h3 { color: #fff; font-size: 24px; font-family: var(--font-serif); letter-spacing: 1px; }
.video-band p { color: rgba(255, 255, 255, .7); margin-top: 8px; max-width: 40em; }

.partner-strip { border-top: 1px solid var(--line); background: #fff; }
.partner-strip .container { display: flex; align-items: center; gap: 30px; padding-block: 26px; flex-wrap: wrap; }
.partner-strip .tt { font-size: 15px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.partner-strip .tt::before { content: "◆ "; color: var(--gold); font-size: 12px; }
.partner-strip .links { display: flex; gap: 26px; flex-wrap: wrap; }
.partner-strip .links a { color: var(--muted); font-size: 13.5px; }
.partner-strip .links a:hover { color: var(--primary); }

/* ========== 15. 页脚 Footer ========== */
.site-footer { background: var(--bg-deep); color: rgba(255, 255, 255, .68); }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 44px; padding: 70px 0 54px; }
.footer-col h4 { color: #fff; font-size: 17px; letter-spacing: 2px; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--gold)); }
.footer-col p { font-size: 13.5px; line-height: 2; }
.footer-col .f-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.footer-col .f-brand .badge { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(150deg, #C02A3E, var(--primary-deep)); display: grid; place-items: center; color: #fff; font-weight: 800; flex-shrink: 0; }
.footer-col .f-brand strong { color: #fff; font-size: 17px; letter-spacing: 2px; display: block; }
.footer-col .f-brand span { font-size: 10px; letter-spacing: 1.5px; color: rgba(255, 255, 255, .45); text-transform: uppercase; }
.footer-links li { padding: 5px 0; }
.footer-links a { font-size: 13.5px; color: rgba(255, 255, 255, .68); display: inline-flex; align-items: center; gap: 8px; }
.footer-links a::before { content: "›"; color: var(--gold); font-weight: 700; }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; padding: 7px 0; align-items: flex-start; }
.footer-contact li .k { color: var(--gold); flex-shrink: 0; }
.footer-qr { text-align: center; }
.footer-qr .pic {
  width: 128px; height: 128px; margin: 0 auto 12px; border-radius: 14px;
  background: #fff; padding: 8px; box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}
.footer-qr .pic img { width: 100%; height: 100%; object-fit: contain; }
.footer-qr span { font-size: 12.5px; color: rgba(255, 255, 255, .55); letter-spacing: 1px; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .45); }
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom .icp { display: inline-flex; align-items: center; gap: 6px; }

/* ========== 16. 内页横幅 PageBanner ========== */
.page-banner { position: relative; padding: 72px 0 78px; overflow: hidden; background: var(--bg-deep); }
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(760px 340px at 88% -10%, rgba(166, 25, 46, .55), transparent 60%),
    radial-gradient(560px 300px at -5% 110%, rgba(201, 160, 99, .28), transparent 55%),
    linear-gradient(180deg, #141B29, #0E1420);
}
.page-banner::after {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background-image: radial-gradient(rgba(255, 255, 255, .5) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 80%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1, .page-banner h2 { color: #fff; font-size: clamp(28px, 4vw, 40px); font-family: var(--font-serif); font-weight: 800; letter-spacing: 3px; }
/* 隐藏 H1（首页/SEO 用，仅读屏可见） */
.seo-h1 { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.page-banner .crumb { margin-top: 14px; font-size: 13.5px; color: rgba(255, 255, 255, .6); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.page-banner .crumb a { color: rgba(255, 255, 255, .6); }
.page-banner .crumb a:hover { color: var(--gold); }
.page-banner .crumb .sep { opacity: .4; }
.page-banner .crumb .now { color: var(--gold-light); }

/* 搜索页搜索框 */
.search-bar {
  display: flex; gap: 12px; padding: 14px 16px;
  background: var(--bg-soft); border: 1.5px solid var(--line);
  border-radius: 999px; transition: border-color .3s var(--ease);
}
.search-bar:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(166, 25, 46, .08); }
.search-bar input {
  flex: 1; border: none; outline: none; background: transparent; font-size: 15px; min-width: 0;
}
.search-bar button {
  padding: 10px 30px; border-radius: 999px; background: var(--primary); color: #fff;
  font-weight: 600; transition: all .3s var(--ease); flex-shrink: 0;
}
.search-bar button:hover { background: var(--primary-dark); }

/* ========== 17. 侧边栏 Sidebar ========== */
.page-wrap { display: grid; grid-template-columns: 264px 1fr; gap: 40px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--header-h) + 24px); }
.side-title {
  background: linear-gradient(160deg, var(--primary), var(--primary-deep));
  color: #fff; padding: 22px 24px; border-radius: var(--radius) var(--radius) 0 0;
  display: flex; align-items: center; justify-content: space-between;
}
.side-title strong { font-size: 19px; letter-spacing: 3px; font-weight: 700; }
.side-title small { font-size: 11px; letter-spacing: 2px; opacity: .7; display: block; margin-top: 3px; }
.side-nav { background: #fff; border: 1px solid var(--line); border-top: none; border-radius: 0 0 var(--radius) var(--radius); padding: 12px; }
.side-nav li + li { margin-top: 6px; }
.side-nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 16px; border-radius: 10px;
  font-size: 14.5px; font-weight: 600; color: var(--text);
  transition: all .3s var(--ease);
}
.side-nav a .arr { font-size: 12px; opacity: 0; transition: all .3s var(--ease); }
.side-nav a:hover { background: var(--primary-soft); color: var(--primary); padding-left: 22px; }
.side-nav a:hover .arr { opacity: 1; }
.side-nav li.active a,
.side-nav li.on a { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(166, 25, 46, .3); }
.side-nav li.active .arr,
.side-nav li.on .arr { opacity: 1; }

.side-card { margin-top: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.side-card h4 { font-size: 15.5px; letter-spacing: 1px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); position: relative; }
.side-card h4::before { content: ""; position: absolute; left: 0; bottom: -1px; width: 34px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--gold)); border-radius: 2px; }
.side-card .hot li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.side-card .hot li:last-child { border-bottom: none; }
.side-card .hot a { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-card .hot a:hover { color: var(--primary); padding-left: 4px; }
.side-card .hot .d { color: var(--muted); font-size: 12px; }
.side-card .ct { font-size: 13.5px; line-height: 2.1; }
.side-card .ct strong { color: var(--primary); font-size: 20px; display: block; }

/* ========== 18. 列表页 List ========== */
.page-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.page-main .pm-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 18px; border-bottom: 2px solid var(--line); margin-bottom: 26px; flex-wrap: wrap; }
.page-main .pm-head h2 { font-size: 21px; font-family: var(--font-serif); letter-spacing: 1px; position: relative; padding-left: 14px; }
.page-main .pm-head h2::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; border-radius: 3px; background: linear-gradient(180deg, var(--primary), var(--gold)); }
.page-main .pm-head .crumb { font-size: 12.5px; color: var(--muted); }
.page-main .pm-head .crumb a:hover { color: var(--primary); }
.page-main .pm-head .crumb .sep { margin: 0 6px; opacity: .5; }

.list-news li { display: flex; gap: 22px; padding: 22px 0; border-bottom: 1px solid var(--line); transition: all .35s var(--ease); }
.list-news li:last-child { border-bottom: none; }
.list-news .pic { display: block; width: 240px; border-radius: 12px; overflow: hidden; flex-shrink: 0; aspect-ratio: 16 / 10; }
.list-news .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.list-news li:hover .pic img { transform: scale(1.06); }
.list-news .txt { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.list-news .txt h3 { font-size: 17.5px; font-weight: 700; transition: color .3s; line-height: 1.5; }
.list-news li:hover .txt h3 { color: var(--primary); }
.list-news .txt .desc { font-size: 13.5px; color: var(--muted); margin: 10px 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-news .txt .meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; }
.list-news .txt .date { font-size: 12.5px; color: var(--muted); }
.list-news .txt .tag {
  font-size: 12px; color: var(--primary); border: 1px solid rgba(166, 25, 46, .35);
  padding: 2px 12px; border-radius: 999px;
}
.list-news .txt .tag:hover { background: var(--primary); color: #fff; }

/* ========== 19. 详情页 Detail ========== */
.article { max-width: 860px; margin-inline: auto; }
.article .a-head { text-align: center; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.article .a-head h1 { font-size: clamp(22px, 3vw, 30px); font-family: var(--font-serif); letter-spacing: 1px; line-height: 1.5; }
.article .a-meta { display: flex; justify-content: center; gap: 26px; margin-top: 16px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.article .a-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article .a-body { padding: 34px 0 10px; font-size: 15.5px; line-height: 2.05; color: var(--text); }
.article .a-body h3 { font-size: 19px; margin: 30px 0 14px; padding-left: 14px; position: relative; }
.article .a-body h3::before { content: ""; position: absolute; left: 0; top: .32em; bottom: .32em; width: 5px; border-radius: 3px; background: linear-gradient(180deg, var(--primary), var(--gold)); }
.article .a-body p { margin-bottom: 18px; text-align: justify; }
.article .a-body img { border-radius: 12px; margin: 22px auto; box-shadow: var(--shadow-sm); }
.article .a-body blockquote {
  margin: 24px 0; padding: 18px 24px; border-left: 4px solid var(--primary);
  background: var(--primary-soft); border-radius: 0 12px 12px 0; color: var(--ink-2);
}
.article .a-body ul { padding-left: 6px; margin-bottom: 18px; }
.article .a-body ul li { position: relative; padding-left: 22px; margin-bottom: 8px; }
.article .a-body ul li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 8px; height: 8px; border-radius: 3px; background: linear-gradient(135deg, var(--primary), var(--gold)); }
.article .a-nav { display: flex; justify-content: space-between; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); margin-top: 30px; font-size: 14px; flex-wrap: wrap; }
.article .a-nav a { color: var(--text); max-width: 46%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article .a-nav a:hover { color: var(--primary); }
.article .a-nav .prev::before { content: "‹ "; color: var(--primary); font-weight: 700; }
.article .a-nav .next::after { content: " ›"; color: var(--primary); font-weight: 700; }

/* ========== 20. 会员页 Members ========== */
.member-hero-card {
  display: grid; grid-template-columns: 220px 1fr; gap: 28px;
  background: linear-gradient(150deg, #fff, var(--bg-soft));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; align-items: center; margin-bottom: 34px;
}
.member-hero-card .avatar { width: 220px; height: 250px; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); }
.member-hero-card .avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.member-hero-card .info .badge {
  display: inline-block; background: linear-gradient(135deg, #D9B878, var(--gold-deep));
  color: #fff; font-size: 12.5px; font-weight: 700; letter-spacing: 2px;
  padding: 4px 16px; border-radius: 999px; margin-bottom: 12px;
}
.member-hero-card .info h1, .member-hero-card .info h3 { font-size: 26px; font-family: var(--font-serif); letter-spacing: 2px; }
.member-hero-card .info .company { color: var(--primary); font-weight: 600; margin: 8px 0 4px; }
.member-hero-card .info .intro { font-size: 13.5px; color: var(--muted); }
.member-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.member-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .4s var(--ease);
}
.member-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.member-card .photo { aspect-ratio: 1 / 1.1; overflow: hidden; position: relative; }
.member-card .photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .6s var(--ease); }
.member-card:hover .photo img { transform: scale(1.06); }
.member-card .photo .role {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  background: var(--primary); color: #fff; font-size: 11.5px; letter-spacing: 1px;
  padding: 3px 12px; border-radius: 999px;
}
.member-card .info { padding: 14px 16px 18px; text-align: center; }
.member-card .info h3 { font-size: 16px; letter-spacing: 1px; }
.member-card .info p { font-size: 12.5px; color: var(--muted); margin-top: 4px; line-height: 1.6; }

/* ========== 21. 表单 Form ========== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.field label b { color: var(--primary); }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; border-radius: 12px;
  border: 1.5px solid var(--line); background: #fff;
  font-size: 14.5px; outline: none; transition: all .3s var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 4px rgba(166, 25, 46, .1);
}
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; }

/* ========== 23. 分页 Pagination ========== */
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 36px; }
.pagination li { list-style: none; display: flex; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; padding: 0 14px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--line);
  background: #fff; font-size: 14px; color: var(--text);
  transition: all .3s var(--ease);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination li.active a { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(166, 25, 46, .28); }
.pagination .disabled { opacity: .4; pointer-events: none; }

/* ========== 24. 动效 / 辅助 ========== */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }

.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: 18px;
  box-shadow: 0 12px 28px rgba(166, 25, 46, .35);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: all .4s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* 空态 / 分割 */

/* ========== 25. 响应式 ========== */
@media (max-width: 1180px) {
  .main-nav > li > a { padding: 12px 12px; font-size: 15px; }
}

@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .main-nav { display: none; }
  .hamburger { display: block; }
  .brand .badge { width: 46px; height: 46px; }
  .brand .bt .h1 { font-size: 19px; }

  .about-wrap { grid-template-columns: 1fr; gap: 44px; }
  .news-grid { grid-template-columns: 1fr; }
  .leaders-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .page-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .member-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-item:nth-child(odd) { border-right: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .topbar .tb-right { display: none; }
  .topbar-inner { justify-content: center; }
  .header-actions .icon-btn.search-trigger { display: none; }
  .brand .bt .p { display: none; }

  .hero { min-height: 440px; }
  .hero .slide .desc { font-size: 15px; }
  .hero .slide .acts .btn { padding: 12px 22px; font-size: 14px; }
  .hero .arrow { display: none; }

  .news-card.featured { grid-template-columns: 1fr; }
  .news-card.featured .pic { min-height: 200px; }
  .news-item { flex-direction: column; }
  .news-item .pic { width: 100%; aspect-ratio: 16 / 9; }
  .news-item .txt .date { margin-top: 10px; }

  .about-feats { grid-template-columns: 1fr; }
  .about-media .badge-year { right: 10px; bottom: -16px; padding: 14px 20px; }
  .about-media .badge-year strong { font-size: 32px; }

  .video-band { flex-direction: column; text-align: center; padding: 40px 24px; }
  .video-band .play { margin: 0 0 20px; }

  .list-news li { flex-direction: column; gap: 14px; }
  .list-news .pic { width: 100%; aspect-ratio: 16 / 9; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: repeat(2, 1fr); }
  .member-hero-card { grid-template-columns: 1fr; text-align: center; }
  .member-hero-card .avatar { margin-inline: auto; width: 180px; height: 210px; }
  .page-main { padding: 22px 18px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .stats { margin-top: -40px; }
  .stats-item .num { font-size: 36px; }
}

@media (max-width: 420px) {
  .leaders-grid { grid-template-columns: 1fr; }
  .svc-grid, .comp-grid { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .brand .bt .h1 { font-size: 16px; letter-spacing: 1px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}