/* ==================================================================
 * components.css —— 页头 / 导航 / 轮播 / 页脚 / 内容组件
 * ================================================================== */

/* ==================== 顶部工具条 ==================== */
.topbar {
  height: 34px;
  background: linear-gradient(90deg, var(--c-primary-900), var(--c-primary-700));
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar a { color: rgba(255, 255, 255, 0.78); }
.topbar a:hover { color: #fff; }
.topbar .divider { width: 1px; height: 11px; background: rgba(255, 255, 255, 0.22); }
.topbar .admin-entry {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 2px;
}
.topbar .admin-entry:hover { background: rgba(255, 255, 255, 0.12); }

/* ==================== 主头部 ==================== */
.site-header {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand-emblem {
  width: 62px;
  height: 62px;
  flex-shrink: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, var(--c-primary-500), var(--c-primary-900) 72%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px rgba(10, 61, 145, 0.28);
  position: relative;
  overflow: hidden;
}
.brand-emblem::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}
.brand-emblem svg { position: relative; z-index: 1; }

.brand-text { min-width: 0; }
.brand-parent {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--c-text-sub);
  margin-bottom: 3px;
  white-space: nowrap;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 1px;
  color: var(--c-primary-900);
  margin: 0;
}
.brand-name a { color: inherit; }
.brand-name a:hover { color: var(--c-primary-500); }
.brand-en {
  font-size: 11px;
  letter-spacing: 0.6px;
  color: var(--c-text-mute);
  text-transform: uppercase;
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 640px;
}

.header-search { display: flex; align-items: center; flex-shrink: 0; }
.header-search .search-box {
  display: flex;
  align-items: center;
  height: 38px;
  width: 258px;
  border: 1px solid var(--c-border-strong);
  border-radius: 19px;
  background: var(--c-bg-soft);
  padding: 0 4px 0 16px;
  transition: all var(--dur) var(--ease);
}
.header-search .search-box:focus-within {
  border-color: var(--c-primary-500);
  background: var(--c-bg);
  box-shadow: 0 0 0 3px rgba(28, 95, 196, 0.1);
}
.header-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-size: 13px;
  outline: none;
}
.header-search button {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur) var(--ease);
}
.header-search button:hover { background: var(--c-primary-500); }

/* ==================== 主导航 ==================== */
.main-nav {
  background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-700) 100%);
  position: relative;
  z-index: 900;
  box-shadow: 0 2px 10px rgba(5, 33, 79, 0.18);
}
.main-nav .container { display: flex; align-items: stretch; }

.nav-list { display: flex; align-items: stretch; flex: 1; min-width: 0; }
.nav-item { position: relative; }
.nav-item > a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: var(--nav-h);
  padding: 0 22px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15.5px;
  letter-spacing: 1px;
  white-space: nowrap;
  transition: all var(--dur) var(--ease);
  position: relative;
}
.nav-item > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--c-gold);
  transform: translateX(-50%);
  transition: width var(--dur) var(--ease);
}
.nav-item > a:hover,
.nav-item.is-active > a {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.nav-item.is-active > a::after,
.nav-item > a:hover::after { width: 62%; }
.nav-item .caret { opacity: 0.65; font-size: 10px; }

/* 二级下拉 */
.nav-sub {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 176px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-gold);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--dur) var(--ease);
}
.nav-item:hover .nav-sub,
.nav-item:focus-within .nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-sub a {
  display: block;
  padding: 9px 20px;
  color: var(--c-text-sub);
  font-size: 14px;
  white-space: nowrap;
  transition: all var(--dur) var(--ease);
}
.nav-sub a:hover {
  background: var(--c-primary-50);
  color: var(--c-primary);
  padding-left: 24px;
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: var(--nav-h);
  border: 0;
  background: transparent;
  color: #fff;
}

/* ==================== 内页横幅 ==================== */
.page-banner {
  position: relative;
  height: 218px;
  overflow: hidden;
  background: linear-gradient(115deg, var(--c-primary-900) 0%, var(--c-primary) 52%, var(--c-primary-500) 100%);
  color: #fff;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 84% 22%, rgba(255, 255, 255, 0.13) 0, transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(185, 146, 69, 0.18) 0, transparent 42%);
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
}
.page-banner .container {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}
.page-banner h1 {
  margin: 0;
  color: #fff;
  font-size: 32px;
  letter-spacing: 4px;
}
.page-banner .sub {
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}
.page-banner .deco-line {
  width: 56px;
  height: 3px;
  background: var(--c-gold);
  margin-top: 6px;
}

/* ==================== 首页轮播 ==================== */
.hero { position: relative; background: var(--c-primary-900); }
.hero-track {
  display: flex;
  transition: transform 0.62s var(--ease);
  will-change: transform;
}
.hero-slide {
  position: relative;
  flex: 0 0 100%;
  height: 442px;
  overflow: hidden;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 6s linear;
}
.hero-slide.is-active img { transform: scale(1); }
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 33, 79, 0.86) 0%, rgba(5, 33, 79, 0.5) 42%, rgba(5, 33, 79, 0.12) 100%);
}
.hero-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 2;
  padding: 0 0 54px;
  color: #fff;
  pointer-events: none;
}
.hero-caption .inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}
.hero-caption .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 12px;
}
.hero-caption .kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-gold);
}
.hero-caption h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: 1.5px;
  max-width: 780px;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}
.hero-caption p {
  margin: 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
}
.hero-caption a.caption-link {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  padding: 9px 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 2px;
  color: #fff;
  font-size: 13.5px;
  letter-spacing: 1px;
  backdrop-filter: blur(3px);
  transition: all var(--dur) var(--ease);
}
.hero-caption a.caption-link:hover {
  background: #fff;
  color: var(--c-primary);
  border-color: #fff;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: rgba(5, 33, 79, 0.32);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: all var(--dur) var(--ease);
  opacity: 0;
}
.hero:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover { background: var(--c-primary); border-color: var(--c-primary); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 9px;
}
.hero-dots button {
  width: 30px;
  height: 3px;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.38);
  transition: all var(--dur) var(--ease);
  padding: 0;
}
.hero-dots button.is-active { background: var(--c-gold); width: 48px; }

/* ==================== 首页快捷入口 ==================== */
.quick-nav {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}
.quick-nav .container {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.quick-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 10px;
  color: var(--c-text-sub);
  font-size: 14px;
  border-right: 1px solid var(--c-border);
  transition: all var(--dur) var(--ease);
  position: relative;
}
.quick-item:last-child { border-right: 0; }
.quick-item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--c-primary);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.quick-item:hover { color: var(--c-primary); background: var(--c-primary-50); }
.quick-item:hover::before { transform: scaleX(1); }
.quick-item .ico {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-primary-50);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.quick-item:hover .ico { background: var(--c-primary); color: #fff; transform: translateY(-2px); }

/* ==================== 公告条 ==================== */
.notice-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: #fff9ed;
  border: 1px solid #f2e3c4;
  border-left: 3px solid var(--c-gold);
  border-radius: var(--radius);
  font-size: 14px;
}
.notice-bar .badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--c-gold);
  color: #fff;
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: 1px;
}
.notice-bar a { color: #7a5f22; flex: 1; min-width: 0; }
.notice-bar a:hover { color: var(--c-primary); }

/* ==================== 头条 + 焦点区 ==================== */
.spotlight {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 24px;
}
.spotlight-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-primary-900);
  min-height: 340px;
  display: block;
}
.spotlight-main img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.spotlight-main:hover img { transform: scale(1.05); }
.spotlight-main .mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 33, 79, 0.92) 0%, rgba(5, 33, 79, 0.25) 55%, transparent 100%);
}
.spotlight-main .txt {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  color: #fff;
}
.spotlight-main .txt .flag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--c-gold);
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
  border-radius: 2px;
  margin-bottom: 12px;
}
.spotlight-main .txt h3 {
  margin: 0;
  color: #fff;
  font-size: 21px;
  line-height: 1.45;
}
.spotlight-main .txt p {
  margin: 9px 0 0;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.76);
}

/* Tab 面板 */
.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 4px;
}
.tabs button {
  position: relative;
  padding: 12px 20px;
  border: 0;
  background: transparent;
  color: var(--c-text-sub);
  font-size: 17px;
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 1px;
  transition: color var(--dur) var(--ease);
}
.tabs button::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: -1px;
  height: 2px;
  background: var(--c-primary);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.tabs button:hover { color: var(--c-primary); }
.tabs button.is-active { color: var(--c-primary); }
.tabs button.is-active::after { transform: scaleX(1); }
.tabs .spacer { flex: 1; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ==================== 新闻列表 ==================== */
.news-list li { position: relative; }
.news-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0 11px 16px;
  border-bottom: 1px dashed var(--c-border);
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.news-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: var(--c-border-strong);
  transition: all var(--dur) var(--ease);
}
.news-list a:hover { color: var(--c-primary); padding-left: 20px; }
.news-list a:hover::before { background: var(--c-gold); transform: translateY(-2.5px) scale(1.25); }
.news-list .title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.news-list .date { flex-shrink: 0; font-size: 13px; color: var(--c-text-mute); font-variant-numeric: tabular-nums; }
.news-list .top-flag {
  flex-shrink: 0;
  padding: 1px 5px;
  background: var(--c-danger);
  color: #fff;
  font-size: 11px;
  border-radius: 2px;
  line-height: 1.5;
}

/* 带日期块的列表（通知公告样式） */
.dated-list li + li { margin-top: 12px; }
.dated-list a {
  display: flex;
  gap: 14px;
  padding: 13px 15px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.dated-list a:hover {
  border-color: var(--c-primary-300);
  box-shadow: var(--shadow);
  transform: translateX(3px);
}
.dated-list .date-box {
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  border-right: 1px solid var(--c-border);
  padding-right: 12px;
}
.dated-list .date-box .d {
  display: block;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-primary);
  font-variant-numeric: tabular-nums;
}
.dated-list .date-box .m { display: block; font-size: 12px; color: var(--c-text-mute); margin-top: 2px; }
.dated-list .body { flex: 1; min-width: 0; }
.dated-list .body .title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dated-list a:hover .body .title { color: var(--c-primary); }
.dated-list .body .meta { font-size: 12.5px; color: var(--c-text-mute); margin-top: 3px; }

/* 图文卡片列表 */
.media-list li + li { margin-top: 18px; }
.media-card {
  display: flex;
  gap: 16px;
  padding: 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.media-card:hover { border-color: var(--c-primary-100); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.media-card .thumb {
  flex-shrink: 0;
  width: 168px;
  height: 108px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--c-bg-mute);
}
.media-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.media-card:hover .thumb img { transform: scale(1.06); }
.media-card .body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.media-card .body h3 {
  margin: 0 0 7px;
  font-size: 16.5px;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.media-card:hover .body h3 { color: var(--c-primary); }
.media-card .body .summary {
  flex: 1;
  font-size: 13.5px;
  color: var(--c-text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.media-card .body .meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12.5px;
  color: var(--c-text-mute);
  margin-top: 9px;
  padding-top: 9px;
  border-top: 1px dashed var(--c-border);
}

/* 网格卡片 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid-card {
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.grid-card:hover { border-color: var(--c-primary-100); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.grid-card .thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-bg-mute);
}
.grid-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.grid-card:hover .thumb img { transform: scale(1.07); }
.grid-card .thumb .cat {
  position: absolute;
  left: 0;
  top: 12px;
  padding: 3px 11px 3px 9px;
  background: var(--c-primary);
  color: #fff;
  font-size: 12px;
  border-radius: 0 2px 2px 0;
}
.grid-card .body { padding: 15px 16px 17px; display: flex; flex-direction: column; flex: 1; }
.grid-card .body h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}
.grid-card:hover .body h3 { color: var(--c-primary); }
.grid-card .body .summary {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.grid-card .body .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--c-text-mute);
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px dashed var(--c-border);
}

/* ==================== 专栏区 ==================== */
.column-feature {
  background: linear-gradient(135deg, var(--c-primary-50) 0%, #fff 60%);
  border: 1px solid var(--c-primary-100);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.column-feature .head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.column-feature .head .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid #fff;
  box-shadow: var(--shadow);
  flex-shrink: 0;
  background: var(--c-primary-100);
}
.column-feature .head .avatar img { width: 100%; height: 100%; object-fit: cover; }
.column-feature .head .who h4 { margin: 0; font-size: 17px; color: var(--c-primary-900); }
.column-feature .head .who p { margin: 3px 0 0; font-size: 12.5px; color: var(--c-text-sub); }
.column-feature ul li + li { margin-top: 10px; }
.column-feature ul a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--c-text);
  font-size: 14.5px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--c-border);
}
.column-feature ul a:hover { color: var(--c-primary); }
.column-feature ul a .idx {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-gold);
  font-variant-numeric: tabular-nums;
}
.column-feature ul a .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==================== 活动区 ==================== */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.activity-card {
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.activity-card:hover { border-color: var(--c-primary-100); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.activity-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-bg-mute); }
.activity-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.activity-card:hover .thumb img { transform: scale(1.07); }
.activity-card .status-chip {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  color: #fff;
  background: rgba(5, 33, 79, 0.72);
  backdrop-filter: blur(4px);
}
.activity-card .status-chip.upcoming { background: var(--c-success); }
.activity-card .status-chip.ongoing { background: var(--c-warning); }
.activity-card .date-strip {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--c-primary);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 0 var(--radius-sm) 0 0;
  font-variant-numeric: tabular-nums;
}
.activity-card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.activity-card .body h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.activity-card:hover .body h3 { color: var(--c-primary); }
.activity-card .body .info {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12.5px;
  color: var(--c-text-mute);
  margin-top: auto;
  padding-top: 10px;
}
.activity-card .body .info span { display: flex; align-items: center; gap: 6px; }

/* ==================== 专家区 ==================== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}
.expert-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.expert-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 12px 16px;
  text-align: center;
  color: var(--c-text);
  transition: all var(--dur) var(--ease);
}
.expert-card:hover {
  border-color: var(--c-primary-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.expert-avatar {
  position: relative;
  width: 86px;
  height: 86px;
  margin: 0 auto 12px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-primary-100), var(--c-primary-300));
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--c-border), var(--shadow-sm);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-avatar .fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
}
.expert-card h4 { margin: 0 0 4px; font-size: 16px; color: var(--c-primary-900); }
.expert-card .pos {
  font-size: 12.5px;
  color: var(--c-gold);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.expert-card .org {
  font-size: 12.5px;
  color: var(--c-text-mute);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 38px;
}
.expert-card .leader-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 1px 8px;
  background: var(--c-primary-50);
  color: var(--c-primary);
  border: 1px solid var(--c-primary-100);
  border-radius: 10px;
  font-size: 11.5px;
}

/* ==================== 侧边栏组件 ==================== */
.side-block {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.side-block > .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  background: linear-gradient(90deg, var(--c-primary-50), #fff);
  border-bottom: 1px solid var(--c-border);
}
.side-block > .head h3 {
  margin: 0;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.side-block > .head h3::before {
  content: "";
  width: 3px;
  height: 16px;
  background: var(--c-gold);
  border-radius: 2px;
}
.side-block > .body { padding: 16px 18px; }

.side-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 18px;
  color: var(--c-text-sub);
  font-size: 14.5px;
  border-bottom: 1px solid var(--c-bg-mute);
  transition: all var(--dur) var(--ease);
}
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover, .side-nav a.is-active {
  background: var(--c-primary-50);
  color: var(--c-primary);
  padding-left: 22px;
  font-weight: 500;
}
.side-nav a.is-active { border-left: 3px solid var(--c-gold); padding-left: 15px; }
.side-nav a .arrow { opacity: 0.4; font-size: 12px; }

/* 联系卡片 */
.contact-card { text-align: center; padding: 22px 18px; }
.contact-card .qr {
  width: 132px;
  height: 132px;
  margin: 0 auto 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-mute);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card .qr img { width: 100%; height: 100%; object-fit: cover; }
.contact-card .tip { font-size: 12.5px; color: var(--c-text-mute); }

/* 排名列表 */
.rank-list li { counter-increment: rank; }
.rank-list a {
  display: flex;
  gap: 11px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-border);
  color: var(--c-text);
  font-size: 14px;
}
.rank-list li:last-child a { border-bottom: 0; }
.rank-list a:hover { color: var(--c-primary); }
.rank-list a .no {
  flex-shrink: 0;
  width: 19px;
  height: 19px;
  border-radius: 3px;
  background: var(--c-bg-mute);
  color: var(--c-text-sub);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  font-variant-numeric: tabular-nums;
}
.rank-list li:nth-child(1) a .no { background: var(--c-primary); color: #fff; }
.rank-list li:nth-child(2) a .no { background: var(--c-primary-500); color: #fff; }
.rank-list li:nth-child(3) a .no { background: var(--c-primary-300); color: #fff; }
.rank-list a .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==================== 页脚 ==================== */
.site-footer {
  margin-top: 44px;
  background: linear-gradient(180deg, #0b2c60 0%, var(--c-primary-900) 100%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 13.5px;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-primary-300), var(--c-gold));
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.4fr;
  gap: 42px;
  padding: 42px 0 34px;
}
.footer-col h4 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 16px;
  letter-spacing: 1px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  position: relative;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 34px;
  height: 2px;
  background: var(--c-gold);
}
.footer-col p { margin: 0 0 10px; line-height: 1.85; }
.footer-col a { color: rgba(255, 255, 255, 0.7); }
.footer-col a:hover { color: #fff; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px 16px; }
.footer-links a { display: flex; align-items: center; gap: 6px; }
.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-gold);
  opacity: 0.7;
  flex-shrink: 0;
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 11px;
  line-height: 1.7;
}
.footer-contact .ico { flex-shrink: 0; margin-top: 3px; color: var(--c-gold); opacity: 0.85; }

.footer-friend {
  padding: 16px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-friend .label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-gold);
  font-size: 12.5px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.footer-friend .links { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.footer-friend .links a {
  padding: 3px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  font-size: 12.5px;
  transition: all var(--dur) var(--ease);
}
.footer-friend .links a:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.footer-bottom {
  padding: 18px 0 22px;
  text-align: center;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 2;
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .sep { margin: 0 8px; opacity: 0.4; }

/* ==================== 返回顶部 ==================== */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 34px;
  z-index: 950;
  width: 42px;
  height: 42px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--dur) var(--ease);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .card-grid, .activity-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .expert-grid, .expert-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .quick-nav .container { grid-template-columns: repeat(3, 1fr); }
  .quick-item:nth-child(3n) { border-right: 0; }
  .spotlight { grid-template-columns: 1fr; }
  .hero-slide { height: 360px; }
  .hero-caption h2 { font-size: 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .brand-en { display: none; }
}

@media (max-width: 768px) {
  .topbar-left .today, .topbar .divider { display: none; }
  .site-header .container { flex-direction: column; align-items: flex-start; gap: 14px; padding: 14px; }
  .brand-emblem { width: 46px; height: 46px; }
  .brand-name { font-size: 19px; }
  .brand-parent { font-size: 11px; letter-spacing: 1.5px; }
  .header-search { width: 100%; }
  .header-search .search-box { width: 100%; }

  .nav-toggle { display: flex; }
  .main-nav .container { flex-wrap: wrap; }
  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-bottom: 8px;
  }
  .nav-list.is-open { display: flex; }
  .nav-item > a { justify-content: space-between; height: 46px; padding: 0 16px; }
  .nav-sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(5, 33, 79, 0.45);
    border-radius: 0;
    padding: 0;
    display: none;
  }
  .nav-item.is-open .nav-sub { display: block; }
  .nav-sub a { color: rgba(255, 255, 255, 0.8); padding: 10px 26px; font-size: 13.5px; }
  .nav-sub a:hover { background: rgba(255, 255, 255, 0.08); color: #fff; padding-left: 30px; }

  .hero-slide { height: 260px; }
  .hero-caption { padding-bottom: 34px; }
  .hero-caption h2 { font-size: 18px; letter-spacing: 0.5px; }
  .hero-caption p { font-size: 12.5px; }
  .hero-caption .kicker { font-size: 10px; letter-spacing: 2px; margin-bottom: 8px; }
  .hero-caption a.caption-link { margin-top: 12px; padding: 6px 14px; font-size: 12px; }
  .hero-arrow { display: none; }

  .page-banner { height: 150px; }
  .page-banner h1 { font-size: 22px; letter-spacing: 2px; }

  .card-grid, .card-grid.cols-3, .card-grid.cols-2,
  .activity-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .expert-grid, .expert-grid.cols-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .expert-avatar { width: 66px; height: 66px; }
  .quick-nav .container { grid-template-columns: repeat(2, 1fr); }
  .quick-item { border-right: 1px solid var(--c-border); padding: 16px 8px; }
  .quick-item:nth-child(2n) { border-right: 0; }

  .media-card { flex-direction: column; }
  .media-card .thumb { width: 100%; height: 176px; }

  .footer-main { grid-template-columns: 1fr; gap: 26px; padding: 30px 0 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }

  .spotlight-main { min-height: 220px; }
  .spotlight-main img { min-height: 220px; }
  .spotlight-main .txt { padding: 16px; }
  .spotlight-main .txt h3 { font-size: 17px; }
  .column-feature { padding: 18px; }
  .back-to-top { right: 12px; bottom: 16px; }
}

@media (max-width: 420px) {
  .card-grid, .card-grid.cols-3, .card-grid.cols-2, .activity-grid { grid-template-columns: 1fr; }
  .expert-grid, .expert-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}