/* ==========================================================
   南京市商丘商会 · 官网改版 设计系统
   依据《网站改版方案（执行优化版V3.0）》第15章设计令牌
   ========================================================== */

:root {
  /* 色彩令牌 */
  --blue-700: #1F4E79;
  --blue-800: #17395A;
  --blue-100: #E8EFF6;
  --gold-600: #BF9000;
  --gold-100: #F7F0DC;
  --red-600:  #C00000;
  --red-100:  #FBEAEA;
  --n-900: #1A1A1A;
  --n-700: #595959;
  --n-500: #8C8C8C;
  --n-400: #BFBFBF;
  --n-600: #D9D9D9;
  --n-200: #F2F2F2;
  --n-100: #FAFAFA;
  --white: #FFFFFF;
  --success: #2E7D32;
  --focus-ring: #BF9000;

  /* 字体 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-num: "Times New Roman", "Songti SC", serif;

  /* 字号阶梯 */
  --type-display: 40px; --lh-display: 52px;
  --type-h1: 32px; --lh-h1: 42px;
  --type-h2: 24px; --lh-h2: 32px;
  --type-h3: 20px; --lh-h3: 28px;
  --type-body: 16px; --lh-body: 28px;
  --type-sm: 14px;  --lh-sm: 24px;
  --type-caption: 12px; --lh-caption: 18px;

  /* 间距 */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 40px; --sp-8: 48px; --sp-9: 64px; --sp-10: 80px; --sp-11: 96px;

  /* 圆角 */
  --r-sm: 4px; --r-md: 6px; --r-lg: 8px; --r-xl: 16px; --r-full: 999px;

  /* 阴影 */
  --shadow-1: 0 1px 2px rgba(26,26,26,.08);
  --shadow-2: 0 4px 12px rgba(26,26,26,.10);
  --shadow-3: 0 8px 24px rgba(26,26,26,.12);
  --shadow-4: 0 16px 40px rgba(26,26,26,.16);

  /* 动效 */
  --ease-standard: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
  --t-fast: 120ms; --t-base: 220ms; --t-enter: 360ms;

  --container: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: var(--lh-body);
  color: var(--n-900);
  background: var(--white);
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-base) var(--ease-standard); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
input, select, textarea { font-family: inherit; font-size: var(--type-sm); color: var(--n-900); }

:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 2px; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 2000;
  background: var(--blue-700); color: #fff; padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-md);
}
.skip-link:focus { left: 8px; color: #fff; }

/* ---------- 排版 ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-5); }
.t-display { font-size: var(--type-display); line-height: var(--lh-display); font-weight: 700; letter-spacing: .02em; }
.t-h1 { font-size: var(--type-h1); line-height: var(--lh-h1); font-weight: 700; letter-spacing: .02em; }
.t-h2 { font-size: var(--type-h2); line-height: var(--lh-h2); font-weight: 600; letter-spacing: .02em; }
.t-h3 { font-size: var(--type-h3); line-height: var(--lh-h3); font-weight: 600; letter-spacing: .01em; }
.t-caption { font-size: var(--type-caption); line-height: var(--lh-caption); color: var(--n-500); }
.t-label { font-size: var(--type-sm); line-height: 22px; font-weight: 500; letter-spacing: .06em; }
.text-secondary { color: var(--n-700); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--type-sm); font-weight: 500; letter-spacing: .06em;
  color: var(--gold-600);
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--gold-600); }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--blue-800); color: rgba(255,255,255,.85); font-size: var(--type-caption); }
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 34px; gap: var(--sp-4); }
.topbar a:hover { color: #fff; }
.topbar .topbar-links { display: flex; gap: var(--sp-5); align-items: center; }
.topbar .slogan { letter-spacing: .1em; color: #E8D9A0; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--n-200);
  transition: box-shadow var(--t-base) var(--ease-standard);
}
.site-header.is-scrolled { box-shadow: var(--shadow-2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: var(--sp-6); }

.brand { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }
.brand img { height: 48px; width: 48px; object-fit: contain; }
.brand-name { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name .cn {
  font-family: "Douyin Sans", var(--font-sans);
  font-size: 21px; font-weight: 700; letter-spacing: .05em;
  background: linear-gradient(115deg, #2E6DA8 0%, #1F4E79 42%, #9c7a10 78%, #BF9000 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--blue-700);
}
.brand-name .en { font-size: 11px; letter-spacing: .04em; color: var(--n-500); }

.main-nav { display: flex; align-items: center; }
.main-nav a {
  position: relative; display: block; padding: var(--sp-3) 14px;
  font-size: 15px; font-weight: 500; letter-spacing: .04em; color: var(--n-700);
  border-radius: var(--r-md); white-space: nowrap;
}
.main-nav a::after {
  content: ""; position: absolute; left: 50%; bottom: 4px;
  width: 0; height: 2px; background: var(--gold-600); border-radius: var(--r-full);
  transform: translateX(-50%);
  transition: width var(--t-base) var(--ease-standard);
}
.main-nav a:hover { color: var(--blue-700); }
.main-nav a:hover::after, .main-nav a.active::after { width: 20px; }
.main-nav a.active { color: var(--blue-700); }
.main-nav .nav-cta { margin-left: var(--sp-3); }
.main-nav .nav-cta a { background: var(--blue-700); color: #fff; border-radius: var(--r-lg); padding: 8px 18px; min-height: 0; }
.main-nav .nav-cta a::after { display: none; }
.main-nav .nav-cta a:hover { background: var(--gold-600); color: #fff; }

.main-nav .nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.main-nav .nav-parent::before {
  content: "";
  display: inline-block;
  width: 0; height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: .55;
  vertical-align: middle;
  order: 1;
}
.main-nav .nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 0;
}
.main-nav .nav-sub {
  position: absolute;
  top: calc(100% - 4px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 148px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--n-200);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-3);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease-standard), transform var(--t-base) var(--ease-standard), visibility var(--t-base);
  z-index: 1200;
}
.main-nav .nav-sub a {
  padding: 10px 14px;
  font-size: 14px;
  border-radius: var(--r-md);
}
.main-nav .nav-sub a::after { display: none; }
.main-nav .nav-sub a:hover,
.main-nav .nav-sub a.active {
  background: color-mix(in srgb, var(--blue-700) 8%, #fff);
  color: var(--blue-700);
}
.main-nav .nav-item:hover .nav-sub,
.main-nav .nav-item:focus-within .nav-sub,
.main-nav .nav-item.open .nav-sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.main-nav .nav-item.is-active > .nav-parent { color: var(--blue-700); }
.main-nav .nav-item.is-active > .nav-parent::after { width: 20px; }

.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 22px; height: 2px; background: var(--blue-700); border-radius: 2px;
  position: relative; transition: transform var(--t-base) var(--ease-standard), opacity var(--t-base), background var(--t-base);
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-height: 44px; padding: 0 var(--sp-6);
  font-size: var(--type-sm); font-weight: 500; letter-spacing: .06em;
  border-radius: var(--r-lg);
  transition: background-color var(--t-fast) var(--ease-standard),
              color var(--t-fast) var(--ease-standard),
              box-shadow var(--t-fast) var(--ease-standard),
              transform var(--t-fast) var(--ease-standard);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue-700); color: #fff; }
.btn-primary:hover { background: var(--blue-800); box-shadow: var(--shadow-2); }
.btn-gold { background: var(--gold-600); color: #fff; }
.btn-gold:hover { background: #a67c00; box-shadow: var(--shadow-2); color: #fff; }
.btn-outline { border: 1px solid rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-ghost { border: 1px solid var(--n-600); color: var(--blue-700); background: var(--white); }
.btn-ghost:hover { border-color: var(--blue-700); background: var(--blue-100); }
.btn-sm { min-height: 36px; padding: 0 var(--sp-4); font-size: 13px; }

/* ---------- Hero 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(128deg, var(--blue-800) 0%, var(--blue-700) 52%, #2A6396 100%);
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .08;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 96 96'%3E%3Cg fill='none' stroke='%23FFFFFF' stroke-width='1'%3E%3Cpath d='M48 8 88 48 48 88 8 48Z'/%3E%3Cpath d='M48 24 72 48 48 72 24 48Z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 96px 96px;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: 50%; transform: translateY(-50%);
  width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, rgba(191,144,0,.28) 0%, rgba(191,144,0,0) 62%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  padding: var(--sp-11) 0 calc(var(--sp-10) + 40px);
  max-width: 760px;
}
.hero .kicker {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  font-size: var(--type-sm); letter-spacing: .3em; color: #E8D9A0;
  margin-bottom: var(--sp-5);
}
.hero .kicker::before, .hero .kicker::after { content: ""; width: 32px; height: 1px; background: rgba(232,217,160,.6); }
.hero h1 { font-size: var(--type-display); line-height: var(--lh-display); font-weight: 700; letter-spacing: .04em; margin-bottom: var(--sp-4); }
.hero h1 .gold { color: #E8D9A0; }
.hero .lead {
  font-size: 17px; line-height: 32px; color: rgba(255,255,255,.82);
  max-width: 580px; margin-bottom: var(--sp-7);
}
.hero-actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.hero-emblem {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  width: 300px; height: 300px; opacity: .14; z-index: 0;
  filter: drop-shadow(0 8px 40px rgba(0,0,0,.3));
}
.scroll-hint {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255,255,255,.6); font-size: var(--type-caption); letter-spacing: .2em; z-index: 1;
}
.scroll-hint .line { width: 1px; height: 32px; background: linear-gradient(rgba(255,255,255,.7), transparent); animation: hintDrop 2.2s var(--ease-standard) infinite; }
@keyframes hintDrop {
  0% { transform: scaleY(0); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: top; }
  56% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 数据屏 ---------- */
.stats-strip { position: relative; z-index: 2; margin-top: -56px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5);
  background: var(--white); border-radius: var(--r-xl);
  box-shadow: var(--shadow-3); padding: var(--sp-6) var(--sp-7);
}
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: calc(-1 * var(--sp-2) - 1px); top: 15%; bottom: 15%;
  width: 1px; background: var(--n-200);
}
.stat-num {
  font-family: var(--font-num);
  font-size: var(--type-display); line-height: var(--lh-display); font-weight: 700;
  color: var(--blue-700); letter-spacing: .02em;
}
.stat-num .unit { font-size: 20px; margin-left: 2px; color: var(--gold-600); font-family: var(--font-sans); }
.stat-label { font-size: var(--type-sm); color: var(--n-500); margin-top: var(--sp-1); letter-spacing: .06em; }

/* ---------- 区块 ---------- */
.section { padding: var(--sp-9) 0; }
.section-tight { padding: var(--sp-8) 0; }
.section-alt { background: var(--n-100); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-7); }
.section-head h2 { margin-top: var(--sp-2); }
.section-head .more { flex-shrink: 0; font-size: var(--type-sm); color: var(--blue-700); display: inline-flex; align-items: center; gap: var(--sp-1); }
.section-head .more:hover { color: var(--gold-600); }

/* ---------- 新闻列表 ---------- */
.news-layout { display: grid; grid-template-columns: 8fr 4fr; gap: var(--sp-6); align-items: start; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; align-items: center; gap: var(--sp-5);
  padding: var(--sp-5) var(--sp-3);
  border-bottom: 1px solid var(--n-200);
  transition: background-color var(--t-base) var(--ease-standard);
  border-radius: var(--r-md);
}
.news-item:hover { background: var(--blue-100); }
.news-date {
  flex-shrink: 0; width: 76px; text-align: center;
  font-family: var(--font-num);
  border-right: 1px solid var(--n-200); padding-right: var(--sp-4);
}
.news-date .d { display: block; font-size: 28px; font-weight: 700; color: var(--blue-700); line-height: 1.2; }
.news-date .ym { display: block; font-size: var(--type-caption); color: var(--n-500); letter-spacing: .08em; }
.news-body { flex: 1; min-width: 0; }
.news-title {
  font-size: 17px; font-weight: 600; line-height: 26px; color: var(--n-900);
  margin-bottom: var(--sp-1);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--t-base);
}
.news-item:hover .news-title { color: var(--blue-700); }
.news-meta { display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }
.tag {
  display: inline-block; padding: 1px 10px; border-radius: var(--r-sm);
  font-size: var(--type-caption); letter-spacing: .04em;
  background: var(--blue-100); color: var(--blue-700);
}
.tag-red { background: var(--red-100); color: var(--red-600); }
.tag-gold { background: var(--gold-100); color: #8a6800; }
.news-arrow { flex-shrink: 0; color: var(--n-400); transition: transform var(--t-base) var(--ease-standard), color var(--t-base); font-size: 18px; }
.news-item:hover .news-arrow { transform: translateX(4px); color: var(--gold-600); }

/* 新闻真实配图（引用原站新闻正文图片） */.news-thumb {
  flex-shrink: 0; width: 120px; height: 80px; border-radius: var(--r-md);
  overflow: hidden; background: var(--blue-100); display: block;
}
.news-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform var(--t-base) var(--ease-standard);
}
.news-item:hover .news-thumb img { transform: scale(1.06); }
.news-thumb-empty {
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-700); color: rgba(255,255,255,.85);
  font-size: var(--type-caption); letter-spacing: .2em; writing-mode: vertical-rl;
}
.news-lead { margin: 0 0 var(--sp-5); }
.news-lead img {
  width: 100%; height: auto; display: block; border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}
.news-gallery {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4);
  margin-top: var(--sp-6);
}
.news-fig { margin: 0; border-radius: var(--r-lg); overflow: hidden; }
.news-fig img {
  width: 100%; height: 220px; object-fit: cover; display: block;
  transition: transform var(--t-base) var(--ease-standard);
}
.news-fig:hover img { transform: scale(1.03); }
@media (max-width: 640px) {
  .news-thumb { width: 88px; height: 62px; }
  .news-gallery { grid-template-columns: 1fr; }
  .news-fig img { height: auto; }
}

/* 党建专栏卡 */
.party-card {
  background: linear-gradient(160deg, var(--red-600) 0%, #8F0000 100%);
  color: #fff; border-radius: var(--r-xl); padding: var(--sp-6);
  position: relative; overflow: hidden; box-shadow: var(--shadow-2);
}
.party-card::before {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  border: 1px solid rgba(232,217,160,.4);
}
.party-card::after {
  content: ""; position: absolute; right: -20px; top: -20px;
  width: 160px; height: 160px; border-radius: 50%;
  border: 1px solid rgba(232,217,160,.25);
}
.party-card .pc-label {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--type-sm); letter-spacing: .2em; color: #F3D9A0; margin-bottom: var(--sp-4);
  position: relative;
}
.party-card h3 { font-size: var(--type-h3); line-height: 1.5; margin-bottom: var(--sp-3); position: relative; }
.party-card > * { position: relative; }
.party-card p { font-size: var(--type-sm); line-height: var(--lh-sm); color: rgba(255,255,255,.85); margin-bottom: var(--sp-4); }
.party-card ul { border-top: 1px solid rgba(255,255,255,.2); padding-top: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-3); }
.party-card ul a { display: flex; gap: var(--sp-2); font-size: 13px; line-height: 20px; color: rgba(255,255,255,.88); }
.party-card ul a::before { content: "·"; color: #F3D9A0; font-weight: 700; }
.party-card ul a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 会员卡片 ---------- */
.member-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.member-card {
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-xl);
  padding: var(--sp-6) var(--sp-5); text-align: center;
  transition: transform var(--t-base) var(--ease-standard), box-shadow var(--t-base) var(--ease-standard), border-color var(--t-base);
  display: block;
}
.member-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.avatar {
  width: 88px; height: 88px; margin: 0 auto var(--sp-4);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 34px; font-weight: 700; color: var(--blue-700);
  background: var(--blue-100);
  border: 2px solid var(--white); box-shadow: 0 0 0 2px var(--blue-100);
  transition: box-shadow var(--t-base) var(--ease-standard);
}
.member-card:hover .avatar { box-shadow: 0 0 0 2px var(--gold-600); }
.member-card .role { font-size: var(--type-caption); color: var(--gold-600); letter-spacing: .12em; margin-bottom: var(--sp-1); }
.member-card h3 { font-size: var(--type-h3); margin-bottom: var(--sp-1); }
.member-card .company { font-size: 13px; line-height: 20px; color: var(--n-500); }
.avatar-gold { background: var(--gold-100); color: #7a5c00; box-shadow: 0 0 0 2px var(--gold-100); }
.member-card:hover .avatar-gold { box-shadow: 0 0 0 2px var(--gold-600); }

/* 真实照片头像（引用原站会员风采图片） */
.avatar-photo { overflow: hidden; }
.avatar-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 22%;
  display: block; border-radius: inherit;
  transition: transform var(--t-base) var(--ease-standard);
}
.member-card:hover .avatar-photo img { transform: scale(1.05); }
.profile-avatar.avatar-photo { background: none; }
.profile-avatar.avatar-photo::after { content: none; }

/* 筛选 chips */
.filter-chips { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-6); }
.chip {
  padding: 7px 18px; border-radius: var(--r-full);
  font-size: var(--type-sm); color: var(--n-700);
  border: 1px solid var(--n-600); background: var(--white);
  transition: all var(--t-fast) var(--ease-standard);
}
.chip:hover { border-color: var(--blue-700); color: var(--blue-700); }
.chip.active { background: var(--blue-700); border-color: var(--blue-700); color: #fff; }

/* ---------- 时光轴 ---------- */
.timeline { position: relative; padding-left: 36px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(var(--blue-700), var(--gold-600));
  border-radius: 2px;
}
.timeline-item { position: relative; padding-bottom: var(--sp-7); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -36px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--gold-600);
  box-shadow: 0 0 0 4px var(--gold-100);
}
.timeline-item .year {
  font-family: var(--font-num); font-size: var(--type-h2); font-weight: 700; color: var(--blue-700);
  margin-bottom: var(--sp-2); letter-spacing: .02em;
}
.timeline-item h3 { font-size: 17px; margin-bottom: var(--sp-2); }
.timeline-item p { color: var(--n-700); max-width: 760px; font-size: var(--type-sm); line-height: var(--lh-sm); }

/* ---------- 组织 ---------- */
.leader-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.leader-item {
  display: flex; align-items: center; gap: var(--sp-4);
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.leader-item:hover { border-color: var(--blue-100); box-shadow: var(--shadow-1); }
.leader-item .avatar { width: 56px; height: 56px; font-size: 22px; margin: 0; flex-shrink: 0; }
.leader-item .li-name { font-weight: 600; font-size: 16px; }
.leader-item .li-role { font-size: var(--type-caption); color: var(--gold-600); letter-spacing: .06em; }
.leader-item .li-co { font-size: var(--type-caption); color: var(--n-500); }

.org-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.org-card {
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-lg);
  padding: var(--sp-5); border-top: 3px solid var(--blue-700);
  transition: box-shadow var(--t-base), transform var(--t-base) var(--ease-standard);
}
.org-card:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); }
.org-card.gold-top { border-top-color: var(--gold-600); }
.org-card.red-top { border-top-color: var(--red-600); }
.org-card h4 { font-size: 17px; margin-bottom: var(--sp-2); color: var(--blue-700); }
.org-card p { font-size: var(--type-sm); line-height: var(--lh-sm); color: var(--n-700); }

/* ---------- 栏目页头 ---------- */
.page-hero { position: relative; background: var(--blue-100); overflow: hidden; padding: var(--sp-8) 0; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 96 96'%3E%3Cg fill='none' stroke='%231F4E79' stroke-width='1'%3E%3Cpath d='M48 8 88 48 48 88 8 48Z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 96px 96px;
}
.page-hero .container { position: relative; }
.breadcrumb { display: flex; gap: var(--sp-2); flex-wrap: wrap; font-size: var(--type-caption); color: var(--n-500); margin-bottom: var(--sp-3); }
.breadcrumb a:hover { color: var(--blue-700); }
.breadcrumb .sep { color: var(--n-400); }
.page-hero h1 { color: var(--blue-700); }
.page-hero .desc { margin-top: var(--sp-3); max-width: 720px; color: var(--n-700); }
.page-hero.party-hero { background: linear-gradient(120deg, var(--red-600), #8F0000); }
.page-hero.party-hero h1, .page-hero.party-hero .breadcrumb a { color: #fff; }
.page-hero.party-hero .desc, .page-hero.party-hero .breadcrumb, .page-hero.party-hero .breadcrumb .sep { color: rgba(255,255,255,.8); }

/* ---------- 文章详情 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--sp-8); align-items: start; }
.article { max-width: 760px; }
.article-head { margin-bottom: var(--sp-6); }
.article-head h1 { font-size: var(--type-h1); line-height: 1.45; margin: var(--sp-3) 0 var(--sp-4); letter-spacing: .01em; }
.article-meta { display: flex; flex-wrap: wrap; gap: var(--sp-4); color: var(--n-500); font-size: var(--type-sm); }
.article-body { font-size: var(--type-body); line-height: var(--lh-body); color: var(--n-700); }
.article-body p { margin-bottom: var(--sp-4); }
.article-body strong { color: var(--n-900); }
.article-body blockquote {
  border-left: 4px solid var(--gold-600); background: var(--n-100);
  padding: var(--sp-4) var(--sp-5); border-radius: 0 var(--r-lg) var(--r-lg) 0;
  margin: var(--sp-5) 0; color: var(--n-700);
}
.article-footer {
  margin-top: var(--sp-7); padding-top: var(--sp-5);
  border-top: 1px solid var(--n-200);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap;
}
.share-row { display: flex; align-items: center; gap: var(--sp-3); color: var(--n-500); font-size: var(--type-sm); }
.aside-card { background: var(--n-100); border-radius: var(--r-lg); padding: var(--sp-5); margin-bottom: var(--sp-5); }
.aside-card h3 { font-size: 17px; margin-bottom: var(--sp-4); padding-bottom: var(--sp-3); border-bottom: 2px solid var(--gold-600); display: inline-block; }
.aside-card ul { display: flex; flex-direction: column; }
.aside-card li + li { border-top: 1px dashed var(--n-600); }
.aside-card li a { display: block; padding: var(--sp-3) 0; }
.aside-card li a:hover .at { color: var(--blue-700); }
.aside-card .at { font-size: var(--type-sm); line-height: 22px; color: var(--n-700); }
.aside-card .ad { font-size: var(--type-caption); color: var(--n-500); margin-top: 2px; }

/* ---------- 引言块 ---------- */
.quote-block {
  position: relative; background: linear-gradient(135deg, var(--blue-700), var(--blue-800));
  color: #fff; border-radius: var(--r-xl); padding: var(--sp-8) var(--sp-9); overflow: hidden;
}
.quote-block::before {
  content: "“"; position: absolute; left: 24px; top: -10px;
  font-family: var(--font-num); font-size: 140px; color: rgba(232,217,160,.25); line-height: 1;
}
.quote-block p { position: relative; font-size: var(--type-h2); line-height: 1.7; font-weight: 600; letter-spacing: .04em; }
.quote-block cite { display: block; margin-top: var(--sp-4); font-style: normal; font-size: var(--type-sm); color: #E8D9A0; letter-spacing: .2em; }

/* ---------- 文化卡片 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.culture-card {
  position: relative; border-radius: var(--r-xl); padding: var(--sp-6) var(--sp-5);
  background: var(--white); border: 1px solid var(--n-200); overflow: hidden;
  transition: transform var(--t-base) var(--ease-standard), box-shadow var(--t-base);
}
.culture-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.culture-card .cc-index {
  font-family: var(--font-num); font-size: 44px; font-weight: 700;
  color: var(--blue-100); line-height: 1; margin-bottom: var(--sp-3);
  transition: color var(--t-base);
}
.culture-card:hover .cc-index { color: var(--gold-600); }
.culture-card h3 { font-size: var(--type-h3); margin-bottom: var(--sp-2); }
.culture-card p { font-size: var(--type-sm); line-height: var(--lh-sm); color: var(--n-700); }

/* ---------- 表单 ---------- */
.form-card { max-width: 640px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
.form-field { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: var(--type-sm); font-weight: 500; color: var(--n-900); }
.form-field label .req { color: var(--red-600); margin-left: 4px; }
.form-field input, .form-field select, .form-field textarea {
  border: 1px solid var(--n-600); border-radius: var(--r-md);
  padding: 10px 14px; min-height: 44px; background: var(--white);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--blue-700); box-shadow: 0 0 0 3px rgba(31,78,121,.12);
}
.form-field .hint { font-size: var(--type-caption); color: var(--n-500); }

/* 自定义文件上传 */
.file-upload {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.file-upload-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  min-height: 0;
}
.file-upload-ui {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  min-height: 72px;
  padding: 14px 16px;
  border: 1.5px dashed var(--n-600);
  border-radius: var(--r-md);
  background: #fafbfd;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.file-upload-ui:hover {
  border-color: var(--blue-700);
  background: var(--blue-100);
}
.file-upload-input:focus-visible + .file-upload-ui {
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(31,78,121,.12);
  outline: none;
}
.file-upload.is-dragover .file-upload-ui {
  border-color: var(--gold-600);
  background: var(--gold-100);
}
.file-upload.has-file .file-upload-ui {
  border-style: solid;
  border-color: var(--blue-700);
  background: #fff;
}
.file-upload-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--blue-100);
  color: var(--blue-700);
}
.file-upload.has-file .file-upload-icon {
  background: var(--gold-100);
  color: var(--gold-600);
}
.file-upload-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.file-upload-title {
  font-size: var(--type-sm);
  font-weight: 500;
  color: var(--n-900);
}
.file-upload-name {
  font-size: var(--type-caption);
  color: var(--n-500);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-upload.has-file .file-upload-name {
  color: var(--blue-700);
  font-weight: 500;
}
.file-upload-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--r-lg);
  background: var(--blue-700);
  color: #fff;
  font-size: var(--type-sm);
  font-weight: 500;
  white-space: nowrap;
}
.file-upload-ui:hover .file-upload-btn {
  background: var(--blue-800);
}
.file-upload-clear {
  align-self: flex-start;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--n-600);
  border-radius: var(--r-md);
  background: #fff;
  color: var(--n-700, #475569);
  font-size: var(--type-caption);
  cursor: pointer;
}
.file-upload-clear:hover {
  border-color: var(--red-600);
  color: var(--red-600);
  background: #fff5f5;
}
@media (max-width: 560px) {
  .file-upload-ui {
    flex-wrap: wrap;
    gap: var(--sp-3);
  }
  .file-upload-btn { width: 100%; min-height: 40px; }
}

.form-note {
  margin-top: var(--sp-5); font-size: var(--type-sm); color: var(--n-500);
  background: var(--gold-100); border-radius: var(--r-md); padding: var(--sp-3) var(--sp-4);
  color: #7a5c00;
}

/* 步骤条 */
.steps { display: flex; align-items: center; justify-content: center; gap: var(--sp-3); margin-bottom: var(--sp-7); flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: var(--sp-2); color: var(--n-500); font-size: var(--type-sm); }
.step .dot {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--n-200); color: var(--n-500); font-size: var(--type-sm); font-weight: 600;
  transition: background var(--t-base), color var(--t-base);
}
.step.active { color: var(--blue-700); font-weight: 600; }
.step.active .dot { background: var(--blue-700); color: #fff; }
.step-line { width: 48px; height: 1px; background: var(--n-600); }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 5fr 7fr; gap: var(--sp-8); align-items: start; }
.contact-info-card { background: var(--blue-700); color: #fff; border-radius: var(--r-xl); padding: var(--sp-7); }
.contact-info-card h3 { margin-bottom: var(--sp-5); }
.contact-line { display: flex; gap: var(--sp-4); padding: var(--sp-4) 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.contact-line:last-of-type { border-bottom: none; }
.contact-line .cl-icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: var(--r-md);
  background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.contact-line .cl-label { font-size: var(--type-caption); color: rgba(255,255,255,.65); letter-spacing: .1em; }
.contact-line .cl-value { font-size: var(--type-sm); line-height: 22px; margin-top: 2px; }
.contact-line .cl-value a:hover { color: #E8D9A0; }

.map-embed {
  border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--n-200);
  background:
    linear-gradient(rgba(31,78,121,.03), rgba(31,78,121,.03)),
    repeating-linear-gradient(0deg, var(--n-100) 0 40px, var(--n-200) 40px 41px),
    repeating-linear-gradient(90deg, var(--n-100) 0 40px, var(--n-200) 40px 41px);
  min-height: 260px; display: flex; align-items: center; justify-content: center; position: relative;
}
/* 真实地图（Leaflet + 高德底图） */
.map-real { min-height: 380px; }
.map-real .map-fallback { display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); }
.map-real #map, .map-real.leaflet-container { width: 100%; height: 380px; }
.leaflet-container .leaflet-popup-content { font-size: var(--type-sm); line-height: 22px; }
.leaflet-popup-content strong { color: var(--blue-700); }
.map-pin { display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); color: var(--blue-700); font-size: var(--type-sm); text-align: center; }
.map-pin .pin-icon {
  width: 40px; height: 40px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
  background: var(--gold-600); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-2); margin-bottom: var(--sp-2);
}
.map-pin .pin-icon::after { content: ""; width: 12px; height: 12px; border-radius: 50%; background: #fff; }
.map-note { position: absolute; right: var(--sp-4); bottom: var(--sp-4); font-size: var(--type-caption); color: var(--n-500); background: rgba(255,255,255,.9); padding: 4px 10px; border-radius: var(--r-sm); }

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: var(--sp-2); border-bottom: 1px solid var(--n-200); margin-bottom: var(--sp-6); flex-wrap: wrap; }
.tab-btn {
  position: relative; padding: var(--sp-3) var(--sp-5);
  font-size: var(--type-sm); font-weight: 500; color: var(--n-500); letter-spacing: .04em;
  transition: color var(--t-base);
}
.tab-btn::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--blue-700); transform: scaleX(0); transition: transform var(--t-base) var(--ease-standard);
}
.tab-btn:hover { color: var(--blue-700); }
.tab-btn.active { color: var(--blue-700); }
.tab-btn.active::after { transform: scaleX(1); }
[role="tabpanel"] { display: none; }
.news-list.active[role="tabpanel"] { display: flex; flex-direction: column; animation: fadeIn var(--t-enter) var(--ease-out); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 友情链接 / Logo 墙 ---------- */
.friends-grid { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.friend-chip {
  padding: 10px 20px; border-radius: var(--r-lg); background: var(--white);
  border: 1px solid var(--n-200); font-size: var(--type-sm); color: var(--n-700);
  transition: all var(--t-base) var(--ease-standard);
}
.friend-chip:hover { border-color: var(--blue-700); color: var(--blue-700); transform: translateY(-2px); box-shadow: var(--shadow-1); }

/* ---------- 会员详情页 ---------- */
.profile-head {
  display: grid; grid-template-columns: 280px 1fr; gap: var(--sp-8); align-items: center;
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-800) 100%);
  border-radius: var(--r-xl); padding: var(--sp-8); color: #fff; position: relative; overflow: hidden;
}
.profile-head::before {
  content: ""; position: absolute; inset: 0; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 96 96'%3E%3Cg fill='none' stroke='%23FFFFFF' stroke-width='1'%3E%3Cpath d='M48 8 88 48 48 88 8 48Z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 96px 96px;
}
.profile-avatar {
  position: relative;
  aspect-ratio: 3/4; border-radius: var(--r-xl);
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 72px; font-weight: 700; color: rgba(255,255,255,.9);
}
.profile-avatar::after {
  content: "形象照·商务照位"; position: absolute; bottom: 10px;
  font-size: var(--type-caption); color: rgba(255,255,255,.5); font-weight: 400; letter-spacing: .1em;
}
.profile-info { position: relative; }
.profile-info .role-chip {
  display: inline-block; padding: 4px 16px; border-radius: var(--r-full);
  background: rgba(232,217,160,.18); color: #E8D9A0; font-size: var(--type-sm); letter-spacing: .16em;
  border: 1px solid rgba(232,217,160,.4); margin-bottom: var(--sp-4);
}
.profile-info h1 { font-size: var(--type-h1); margin-bottom: var(--sp-3); }
.profile-info .p-company { font-size: 16px; color: rgba(255,255,255,.85); margin-bottom: var(--sp-2); }
.profile-info .p-company a.p-company-link {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(232, 217, 160, .7);
  text-underline-offset: 3px;
}
.profile-info .p-company a.p-company-link:hover { color: var(--gold-600, #E8D9A0); text-decoration-color: currentColor; }
.org-card h4 a.p-company-link { color: var(--blue-700); text-decoration: none; }
.org-card h4 a.p-company-link:hover { color: var(--gold-600); text-decoration: underline; }
.profile-info .p-meta { display: flex; flex-wrap: wrap; gap: var(--sp-4); font-size: var(--type-sm); color: rgba(255,255,255,.65); }
.info-block { margin-top: var(--sp-7); }
.info-block h2 { font-size: var(--type-h2); margin-bottom: var(--sp-5); padding-left: var(--sp-4); border-left: 4px solid var(--gold-600); }
.info-block .prose { color: var(--n-700); max-width: 820px; }
.info-block .prose p { margin-bottom: var(--sp-4); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--blue-800); color: rgba(255,255,255,.82); margin-top: var(--sp-9); }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr .8fr; gap: var(--sp-7);
  padding: var(--sp-8) 0 var(--sp-7);
}
.footer-brand { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.footer-brand img { height: 48px; width: 48px; }
.footer-brand .cn {
  font-family: "Douyin Sans", var(--font-sans);
  font-size: 20px; font-weight: 700; letter-spacing: .05em;
  background: linear-gradient(115deg, #FFFFFF 0%, #E8D9A0 55%, #BF9000 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: #fff;
}
.footer-brand .en { font-size: 10px; color: rgba(255,255,255,.5); }
.footer-about { font-size: 13px; line-height: 22px; color: rgba(255,255,255,.6); }
.footer-col h4 { font-size: var(--type-sm); letter-spacing: .1em; color: #E8D9A0; margin-bottom: var(--sp-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-col a { font-size: 13px; color: rgba(255,255,255,.72); }
.footer-col a:hover { color: #fff; }
.footer-col .fc-line { font-size: 13px; color: rgba(255,255,255,.72); line-height: 22px; }
.qr-box { text-align: center; }
.qr-img {
  width: 120px; height: 120px; margin: 0 auto var(--sp-2);
  border-radius: var(--r-lg); display: block;
  border: 4px solid #fff; box-shadow: 0 2px 10px rgba(0,0,0,.18);
  transition: transform var(--t-base) var(--ease-standard);
}
.qr-img:hover { transform: scale(1.05); }
.qr-box p { font-size: var(--type-caption); color: rgba(255,255,255,.55); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: var(--sp-4) 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; font-size: var(--type-caption); color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--blue-700); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-2);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), background var(--t-fast);
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--gold-600); }

/* ---------- 滚动入场动效 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--t-enter) var(--ease-out), transform var(--t-enter) var(--ease-out); transition-delay: var(--reveal-delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .member-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .leader-list, .org-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .hero-emblem { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
  .stat-item:nth-child(3)::before { display: none; }
}

@media (max-width: 768px) {
  :root {
    --type-display: 28px; --lh-display: 40px;
    --type-h1: 24px; --lh-h1: 34px;
    --type-h2: 20px; --lh-h2: 30px;
    --sp-9: 48px; --sp-10: 56px; --sp-11: 56px;
  }
  .topbar .topbar-links { display: none; }
  .topbar .slogan { display: block; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(86%, 360px);
    background: var(--white); flex-direction: column; align-items: stretch;
    padding: 88px var(--sp-5) var(--sp-6); gap: var(--sp-1);
    box-shadow: var(--shadow-4); transform: translateX(100%);
    transition: transform var(--t-enter) var(--ease-out);
    overflow-y: auto; z-index: 1100;
  }
  .main-nav.open { transform: none; }
  .main-nav a { font-size: 17px; padding: var(--sp-3) var(--sp-2); border-bottom: 1px solid var(--n-200); }
  .main-nav a::after { display: none; }
  .main-nav .nav-item { flex-direction: column; align-items: stretch; }
  .main-nav .nav-parent { width: 100%; }
  .main-nav .nav-parent::before { margin-left: auto; }
  .main-nav .nav-sub {
    position: static;
    transform: none;
    left: auto;
    top: auto;
    min-width: 0;
    margin: 0 0 var(--sp-2);
    padding: 0 0 0 var(--sp-3);
    border: none;
    box-shadow: none;
    background: transparent;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
  }
  .main-nav .nav-item.open .nav-sub,
  .main-nav .nav-item.is-active .nav-sub { display: block; }
  .main-nav .nav-sub a { border-bottom: 1px solid var(--n-200); font-size: 15px; }
  .main-nav .nav-cta { margin: var(--sp-5) 0 0; }
  .main-nav .nav-cta a { border: none; text-align: center; justify-content: center; display: flex; }
  .nav-mask {
    position: fixed; inset: 0; background: rgba(26,26,26,.4); z-index: 1050;
    opacity: 0; visibility: hidden; transition: opacity var(--t-base), visibility var(--t-base);
  }
  .nav-mask.show { opacity: 1; visibility: visible; }
  .header-inner { min-height: 60px; }
  .brand img { height: 38px; width: 38px; }
  .brand-name .cn { font-size: 17px; }
  .hero-inner { padding-top: var(--sp-8); }
  .hero-actions .btn { flex: 1; }
  .news-item { gap: var(--sp-3); }
  .news-date { width: 60px; padding-right: var(--sp-3); }
  .news-date .d { font-size: 22px; }
  .contact-layout, .profile-head { grid-template-columns: 1fr; }
  .profile-avatar { max-width: 240px; }
  .form-grid { grid-template-columns: 1fr; }
  .quote-block { padding: var(--sp-6); }
  .quote-block p { font-size: 18px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }
  .footer-main { grid-template-columns: 1fr; gap: var(--sp-6); }
  .steps .step-line { width: 24px; }
}

@media (max-width: 480px) {
  .member-grid, .culture-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; padding: var(--sp-5); }
  .leader-list, .org-grid { grid-template-columns: 1fr; }
}

/* 打印 */
@media print {
  .site-header, .topbar, .site-footer, .back-top, .scroll-hint { display: none !important; }
}

/* 文章标签（新闻详情） */
.article-tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-4); }
.a-tag {
  display: inline-block; padding: 3px 14px; border-radius: var(--r-full);
  font-size: var(--type-caption); letter-spacing: .04em;
  color: var(--n-700); background: var(--n-100); border: 1px solid var(--n-200);
  transition: all var(--t-fast) var(--ease-standard);
}
.a-tag:hover { color: var(--blue-700); background: var(--blue-100); border-color: var(--blue-100); }

/* 列表分页 */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: var(--sp-2);
  margin-top: var(--sp-6);
}
.pg-btn {
  min-width: 38px; height: 38px; padding: 0 10px;
  border-radius: var(--r-md); border: 1px solid var(--n-200); background: var(--white);
  font-size: var(--type-sm); color: var(--n-700); cursor: pointer;
  transition: all var(--t-fast) var(--ease-standard);
}
.pg-btn:hover:not(:disabled):not(.active) { border-color: var(--blue-700); color: var(--blue-700); }
.pg-btn.active { background: var(--blue-700); border-color: var(--blue-700); color: var(--white); font-weight: 600; }
.pg-btn:disabled { opacity: .4; cursor: not-allowed; }
.pg-btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }


/* ---------- 会员企业名录 + 企业子站组件 ---------- */
.co-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); margin-top: var(--sp-6); }
@media (max-width: 760px) { .co-grid { grid-template-columns: 1fr; gap: var(--sp-2); } }
.co-card {
  --co: var(--blue-700);
  display: flex; align-items: center; gap: var(--sp-5);
  padding: var(--sp-6); border-radius: var(--r-xl);
  background: var(--white); border: 1px solid var(--n-200);
  transition: transform var(--t-base) var(--ease-standard), box-shadow var(--t-base), border-color var(--t-base);
}
.co-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); border-color: var(--co); }
.co-logo {
  --co: var(--blue-700);
  width: 56px; height: 56px; flex-shrink: 0; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--co), rgba(0,0,0,.3));
  color: #fff; font-family: "Douyin Sans", var(--font-sans); font-size: 26px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(15,35,61,.16);
}
.co-logo-lg { width: 48px; height: 48px; font-size: 22px; border-radius: 12px; }
.co-logo-xl { width: 64px; height: 64px; font-size: 30px; border-radius: 16px; margin-bottom: var(--sp-4); }
.co-logo-hero {
  width: 128px; height: 128px; font-size: 56px; border-radius: 28px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); box-shadow: none;
}
.co-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.co-info strong { font-size: 16px; color: var(--n-900); }
.co-enter { margin-left: auto; flex-shrink: 0; font-size: var(--type-caption); color: var(--co); font-weight: 600; }

/* 企业站页头品牌字（覆盖商会渐变，用企业主题色） */
.brand-name .cn.co-cn {
  background: none; -webkit-text-fill-color: currentColor;
  color: var(--co, var(--blue-700)); font-size: 16px; letter-spacing: .02em;
}
.footer-brand .cn.co-cn-dark { background: none; -webkit-text-fill-color: currentColor; color: #fff; font-size: 16px; }

/* 企业站首页首屏 */
.co-hero-main {
  --co: var(--blue-700);
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--co) 0%, #16283A 100%);
  color: #fff; padding: 96px 0 88px;
}
.co-hero-grid { display: grid; grid-template-columns: 1fr auto; gap: var(--sp-7); align-items: center; }
.co-title {
  font-family: "Douyin Sans", var(--font-sans);
  font-size: clamp(28px, 4.4vw, 40px); letter-spacing: .02em;
  margin: var(--sp-4) 0 var(--sp-3); color: #fff;
}
.co-slogan { font-size: var(--type-lg); color: rgba(255,255,255,.88); }
.co-hero-badge { display: flex; }
.co-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.34); }
.co-ghost:hover { background: rgba(255,255,255,.24); color: #fff; }

/* 企业站内页 hero 与卡片 */
.co-hero {
  background: linear-gradient(180deg, #fff, color-mix(in srgb, var(--co) 7%, #fff));
  border-bottom: 1px solid var(--n-200);
}
.co-hero.co-hero-photo {
  background:
    linear-gradient(105deg, rgba(14,27,41,.84) 0%, rgba(14,27,41,.62) 46%, rgba(14,27,41,.42) 100%),
    var(--hero) center/cover no-repeat;
  border-bottom: none;
  color: #fff;
}
.co-hero.co-hero-photo::before { content: none; }
.co-hero.co-hero-photo h1,
.co-hero.co-hero-photo .breadcrumb,
.co-hero.co-hero-photo .breadcrumb a,
.co-hero.co-hero-photo .breadcrumb .sep { color: #fff; }
.co-hero.co-hero-photo .desc { color: rgba(255,255,255,.86); }
.co-hero.co-hero-photo .breadcrumb a:hover { color: #E8D9A0; }
.co-hero .co-logo-xl { box-shadow: 0 6px 18px color-mix(in srgb, var(--co) 30%, transparent); }
.co-box-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); margin-top: var(--sp-6); }
.co-card-box {
  --co: var(--blue-700);
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-xl);
  padding: var(--sp-6); position: relative; overflow: hidden;
  transition: transform var(--t-base) var(--ease-standard), box-shadow var(--t-base), border-color var(--t-base);
}
.co-card-box::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--co); opacity: .85; }
.co-card-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); border-color: var(--co); }
.co-card-box h3 { font-size: var(--type-lg); color: var(--n-900); margin-bottom: var(--sp-3); }
.co-card-box p { color: var(--n-600); font-size: var(--type-sm); line-height: 1.8; }

/* 企业站关于我们 / FAQ / 联系页 */
.co-about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--sp-7); align-items: start; }
.co-side {
  --co: var(--blue-700);
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-xl);
  padding: var(--sp-6); text-align: center; position: sticky; top: 110px;
}
.co-side h3 { font-size: var(--type-base); margin: var(--sp-4) 0 var(--sp-2); color: var(--n-900); }
.co-faq-wrap { max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--n-200); padding: var(--sp-4) 0; }
.faq-item summary {
  cursor: pointer; font-weight: 600; font-size: var(--type-base); color: var(--n-800);
  list-style: none; position: relative; padding-right: 36px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  color: var(--gold-600); font-size: 20px; transition: transform var(--t-fast) var(--ease-standard);
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item[open] summary { color: var(--blue-700); }
.faq-item p { margin-top: var(--sp-3); color: var(--n-600); line-height: 1.9; }
.co-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-7); align-items: start; }
.co-contact-list { display: flex; flex-direction: column; gap: var(--sp-3); margin-top: var(--sp-5); }
.co-contact-list li {
  padding: var(--sp-3) var(--sp-4); background: #F7F9FB;
  border-radius: var(--r-md); border: 1px solid var(--n-200);
}
.co-form .form-result { margin-top: 16px; color: var(--green-600, #1d7a4f); }

/* 企业站页脚底条 */
.footer-bar {
  display: flex; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.14); margin-top: var(--sp-7);
  padding-top: var(--sp-5); font-size: var(--type-caption); color: rgba(255,255,255,.55);
}

@media (max-width: 900px) {
  .co-grid, .co-box-grid, .co-about-grid, .co-contact-grid { grid-template-columns: 1fr; }
  .co-hero-grid { grid-template-columns: 1fr; }
  .co-hero-badge { display: none; }
  .co-side { position: static; }
}

/* ---------- 企业真实 logo（有图片资源时替代首字徽章，模板化：改 companies_data.py 即可） ---------- */
.co-logo-img {
  display: inline-flex; object-fit: contain; flex-shrink: 0;
  background: none !important; border: none !important; box-shadow: none !important;
  width: 56px; height: 56px;
}
img.co-logo-lg, .co-logo-img.co-logo-lg { width: 48px; height: 48px; }
img.co-logo-xl, .co-logo-img.co-logo-xl { width: 64px; height: 64px; }
img.co-logo-hero, .co-logo-img.co-logo-hero { width: 120px; height: 120px; filter: drop-shadow(0 10px 24px rgba(0,0,0,.28)); }


/* ---------- 企业站首页 banner 轮播 ---------- */
.co-slides { display: grid; }
.co-slide {
  grid-area: 1 / 1; opacity: 0; transform: translateY(16px);
  transition: opacity var(--t-base) ease, transform var(--t-base) ease;
  pointer-events: none; visibility: hidden;
}
.co-slide.active { opacity: 1; transform: none; pointer-events: auto; visibility: visible; }
.co-slide-eyebrow { color: color-mix(in srgb, #fff 72%, var(--gold-600)); }
.co-slide-btns { margin: 28px 0 0; display: flex; gap: 12px; flex-wrap: wrap; }
.co-carousel-ctrl {
  display: flex; align-items: center; justify-content: center; gap: var(--sp-5);
  margin-top: var(--sp-7);
}
.co-arrow {
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer; padding: 0;
  border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.1); color: #fff;
  font-size: 22px; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--t-fast), transform var(--t-fast);
}
.co-arrow:hover { background: rgba(255,255,255,.24); transform: scale(1.06); }
.co-dots { display: flex; gap: 10px; align-items: center; }
.co-dot {
  width: 9px; height: 9px; border-radius: 5px; border: none; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.38); transition: width var(--t-fast), background var(--t-fast);
}
.co-dot:hover { background: rgba(255,255,255,.6); }
.co-dot.active { width: 28px; background: var(--gold-600); }
@media (prefers-reduced-motion: reduce) {
  .co-slide { transition: none; }
}


/* ---------- 企业站带图卡片（一行三列）与轮播 banner 背景 ---------- */
.co-grid-img {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5);
  margin-top: var(--sp-6);
}
.co-card-img {
  --co: var(--blue-700);
  background: var(--white); border: 1px solid var(--n-200); border-radius: var(--r-xl);
  overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform var(--t-base) var(--ease-standard), box-shadow var(--t-base) var(--ease-standard);
}
.co-card-img:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--co) 22%, rgba(15,35,60,.16));
  border-color: color-mix(in srgb, var(--co) 45%, var(--n-200));
}
.co-card-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--n-100); }
.co-card-media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .6s var(--ease-standard);
}
.co-card-img:hover .co-card-media img { transform: scale(1.06); }
.co-card-body { padding: var(--sp-4) var(--sp-5) var(--sp-5); }
.co-card-body h3 { font-size: var(--type-h4); margin-bottom: var(--sp-2); position: relative; padding-left: 14px; }
.co-card-body h3::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 5px; height: 18px; border-radius: 3px; background: var(--co);
}
.co-card-body p { color: var(--n-600); font-size: var(--type-sm); line-height: 1.7; margin: 0; }
@media (max-width: 960px) { .co-grid-img { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .co-grid-img { grid-template-columns: 1fr; } }

/* 轮播 slide 背景增强：banner 图在 section 上，加暗色遮罩保证文字可读 */
.co-hero-main.co-carousel > .container { position: relative; z-index: 1; }
.co-hero-main.co-carousel::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,22,36,.18) 0%, rgba(10,22,36,0) 55%, rgba(10,22,36,.28) 100%);
  pointer-events: none;
}
.co-pager-note { margin-top: var(--sp-4); }
.co-member-bind { margin: var(--sp-5) auto var(--sp-7); max-width: var(--container); padding: 0 var(--sp-4); }
.co-member-bind a { color: var(--co, var(--brand, #1F4E79)); font-weight: 600; }