:root {
  --bg: #0b1020;
  --bg-soft: #121a30;
  --panel: #161f38;
  --panel-2: #1c2742;
  --border: #27324f;
  --text: #e8edf7;
  --text-dim: #9aa7c4;
  --text-mute: #6b7896;
  --accent: #5b8cff;
  --accent-2: #8b5cf6;
  --accent-soft: rgba(91, 140, 255, 0.15);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
}

[data-theme="light"] {
  --bg: #f5f7fc;
  --bg-soft: #eef2fa;
  --panel: #ffffff;
  --panel-2: #f7f9fe;
  --border: #dfe5f1;
  --text: #16203a;
  --text-dim: #51608a;
  --text-mute: #8590ad;
  --accent: #3b6cf6;
  --accent-2: #7c3aed;
  --accent-soft: rgba(59, 108, 246, 0.12);
  --shadow: 0 10px 30px rgba(40, 60, 110, 0.12);
}

* { box-sizing: border-box; }

/* scroll-padding-top：让所有锚点跳转自动避开吸顶 header（header 高约 71px） */
html { scroll-behavior: smooth; scroll-padding-top: 88px; }

/* 导航跳转后的目标区高亮提示 */
@keyframes flashBox {
  0% { box-shadow: 0 0 0 0 var(--accent-soft, rgba(90, 160, 255, .45)); }
  100% { box-shadow: 0 0 0 16px rgba(90, 160, 255, 0); }
}
.flash-target { animation: flashBox .9s ease-out 1; border-radius: 14px; }

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1200px, 92vw); margin: 0 auto; }

a { color: var(--accent); text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand-logo { font-size: 26px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 17px; letter-spacing: .3px; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--text-mute); }
.header-nav { display: flex; align-items: center; gap: 18px; }
.header-nav a { color: var(--text-dim); font-size: 14px; white-space: nowrap; }
.header-nav a:hover { color: var(--text); }
.icon-btn {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  width: 38px; height: 38px; border-radius: 10px; cursor: pointer; font-size: 16px;
}
.icon-btn:hover { border-color: var(--accent); }

/* ---------- Language switcher ---------- */
.lang-wrap { position: relative; }
.lang-btn { display: flex; align-items: center; justify-content: center; }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 60;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; min-width: 168px; max-height: 70vh; overflow-y: auto;
}
.lang-menu .lang-opt {
  display: flex; align-items: center; gap: 8px; width: 100%;
  background: transparent; border: none; color: var(--text-dim);
  padding: 8px 12px; border-radius: 8px; cursor: pointer; font-size: 14px; text-align: left;
}
.lang-menu .lang-opt:hover { background: var(--panel-2); color: var(--text); }
.lang-menu .lang-opt.active { color: var(--text); background: var(--accent-soft); font-weight: 600; }
.lang-menu .lang-opt .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); opacity: 0; }
.lang-menu .lang-opt.active .dot { opacity: 1; }

/* ---------- Visitor counter ---------- */
.site-footer .counter { color: var(--text-mute); }
.site-footer .counter #visitCount { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.site-footer .counter a { color: var(--text-mute); text-decoration: underline; }

/* ---------- Hero ---------- */
.hero {
  padding: 40px 0 24px;
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(139, 92, 246, 0.20), transparent),
    radial-gradient(900px 360px at 0% 0%, rgba(91, 140, 255, 0.18), transparent);
}
.hero h1 { font-size: clamp(26px, 4.2vw, 42px); margin: 0 0 12px; font-weight: 800; letter-spacing: .5px; }
.hero h1 .hl {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--text-dim); max-width: 640px; font-size: 15px; margin: 0 0 18px; }
.hero-search {
  display: flex; align-items: center; gap: 10px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 16px; max-width: 620px; box-shadow: var(--shadow);
}
.hero-search:focus-within { border-color: var(--accent); }
.search-ico { font-size: 18px; opacity: .7; }
.hero-search input {
  flex: 1; border: none; outline: none; background: transparent;
  color: var(--text); font-size: 16px;
}
.hero-search input::placeholder { color: var(--text-mute); }

.stats { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 18px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 11px 18px; min-width: 110px;
}
.stat b { display: block; font-size: 23px; font-weight: 800; color: var(--text); }
.stat span { font-size: 11.5px; color: var(--text-mute); }

/* ---------- Controls ---------- */
.controls {
  margin: 20px 0 18px; padding: 16px; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.control-row { display: flex; flex-wrap: wrap; gap: 14px; }
.control-row.inline { margin-top: 14px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field > label { font-size: 12px; color: var(--text-mute); font-weight: 600; text-transform: uppercase; letter-spacing: .6px; }
.field > select { width: 100%; max-width: 100%; }
.chip-group { display: flex; flex-wrap: wrap; gap: 7px; }
/* 国家筛选：默认折叠约 4 行，点「展开全部」再看全量 */
.chip-group.is-collapsed {
  max-height: 160px;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, #000 84%, rgba(0, 0, 0, .15));
  -webkit-mask-image: linear-gradient(to bottom, #000 84%, rgba(0, 0, 0, .15));
}
.chip-toggle {
  align-self: flex-start; margin-top: 10px;
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px dashed var(--border); background: transparent; color: var(--accent);
  border-radius: 999px; padding: 5px 14px; font-size: 12.5px; font-family: inherit;
  cursor: pointer; transition: all .15s ease;
}
.chip-toggle:hover { background: var(--panel-2); border-style: solid; border-color: var(--accent); }
.chip-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.chip {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text-dim);
  padding: 5px 11px; border-radius: 999px; font-size: 12.5px; cursor: pointer; user-select: none;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.chip .c-flag { margin-right: 5px; }

select {
  appearance: none; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 30px 9px 12px; font-size: 14px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239aa7c4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
select:focus { outline: none; border-color: var(--accent); }
.result-count { justify-content: flex-end; }
.count-pill {
  background: var(--accent-soft); color: var(--accent); font-weight: 700;
  padding: 8px 16px; border-radius: var(--radius-sm); font-size: 15px;
}

/* ---------- Hide-expired checkbox & expired state ---------- */
.checkbox-field { justify-content: flex-end; }
.checkbox {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim); cursor: pointer; user-select: none; white-space: nowrap;
}
.checkbox input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.expired-badge {
  font-size: 10.5px; font-weight: 700; color: var(--text-mute);
  border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px;
  vertical-align: middle; margin-left: 6px; letter-spacing: .3px;
}
.card.is-expired { opacity: .72; }
.card.is-expired::before { background: linear-gradient(var(--text-mute), var(--border)); }

/* ---------- Grid & Cards ---------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px; padding-bottom: 50px;
}
.grid[hidden] { display: none; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(var(--accent), var(--accent-2));
  opacity: .8;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.country-badge { font-size: 13px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.country-badge .flag { font-size: 18px; }
.tag {
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); white-space: nowrap;
}
.card h3 { margin: 2px 0 0; font-size: 18px; font-weight: 700; line-height: 1.3; }
.card .name-en { font-size: 12.5px; color: var(--text-mute); margin-top: 2px; }
.meta { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--text-dim); }
.meta .row { display: flex; gap: 8px; align-items: flex-start; }
.meta .ico { width: 16px; text-align: center; flex-shrink: 0; opacity: .8; }
.desc { font-size: 13.5px; color: var(--text-dim); margin: 4px 0 2px; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; }
.date-badge { font-size: 12.5px; color: var(--text); font-weight: 600; }
.cycle { font-size: 11px; color: var(--text-mute); }
.website-btn {
  font-size: 13px; font-weight: 600; color: #fff; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  padding: 7px 14px; border-radius: 999px; white-space: nowrap;
}
.website-btn:hover { filter: brightness(1.08); }

.empty-state { text-align: center; color: var(--text-mute); padding: 60px 0; font-size: 15px; }

/* ---------- 分页 ---------- */
.pager {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 10px 14px; margin: 0 0 16px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.pager[hidden] { display: none; }
#pager { margin: 4px 0 50px; justify-content: center; }
.pg-btn {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 12px; border-radius: 999px; font-size: 13px; cursor: pointer; white-space: nowrap;
  transition: all .15s ease;
}
.pg-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--text); }
.pg-btn:disabled { opacity: .35; cursor: not-allowed; }
.pg-nums { display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.pg-num {
  min-width: 32px; height: 32px; padding: 0 6px; border-radius: 8px;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  font-size: 13px; cursor: pointer; font-variant-numeric: tabular-nums;
  transition: all .15s ease;
}
.pg-num:hover { border-color: var(--accent); color: var(--text); }
.pg-num.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.pg-gap { color: var(--text-mute); padding: 0 2px; }
.pg-info { font-size: 12.5px; color: var(--text-mute); margin-left: auto; }
.pg-dot { margin: 0 6px; opacity: .5; }
.pg-jump { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-mute); }
.pg-jump input {
  width: 62px; padding: 6px 8px; border-radius: 8px; font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
}
.pg-jump input:focus { outline: none; border-color: var(--accent); }
.pg-jump input::-webkit-outer-spin-button,
.pg-jump input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 26px 0; margin-top: 20px; }
.site-footer p { margin: 4px 0; font-size: 13px; color: var(--text-mute); }
.site-footer .copyright { font-size: 12px; }

/* 页脚：数据更新日期 */
.site-footer .footer-updated {
  display: flex; width: fit-content; align-items: center; gap: 7px;
  margin: 0 auto 10px; padding: 4px 13px;
  font-size: 12.5px; color: var(--text-dim);
  background: var(--accent-soft); border: 1px solid var(--border); border-radius: 999px;
}
.site-footer .footer-updated .fu-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 3px rgba(34, 197, 94, .16);
}
.site-footer .footer-updated time { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }

/* 页脚域名标识 */
.site-domain {
  display: flex; width: fit-content; align-items: center; gap: 8px;
  margin: 0 auto 14px; padding: 8px 19px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--panel);
  color: var(--accent); font-size: 14.5px; font-weight: 700;
  letter-spacing: .4px; text-decoration: none;
  transition: border-color .18s ease, background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.site-domain:hover {
  border-color: var(--accent); background: var(--accent-soft);
  transform: translateY(-1px); box-shadow: 0 6px 18px rgba(91, 140, 255, .16);
}
.site-domain .sd-ico { font-size: 15px; line-height: 1; }

/* ---------- 关于本站（正文补充，利于抓取与首访理解） ---------- */
.about-block {
  margin-top: 52px; padding: 40px 0 34px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.about-inner { max-width: 900px; }
.about-inner h2 { font-size: 20px; margin: 0 0 15px; letter-spacing: .3px; }
.about-inner h3 { font-size: 15px; margin: 24px 0 9px; color: var(--text-dim); }
.about-inner p,
.about-inner li { font-size: 13.5px; line-height: 1.88; color: var(--text-dim); margin: 0 0 10px; }
.about-list { margin: 0; padding-left: 20px; }
.about-list li { margin-bottom: 7px; }
.about-list li::marker { color: var(--accent); }
.faq { margin-top: 20px; border-top: 1px dashed var(--border); padding-top: 15px; }
.faq summary {
  cursor: pointer; font-size: 13.5px; color: var(--accent); font-weight: 600;
  list-style: none; width: fit-content;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "▸ "; }
.faq[open] summary::before { content: "▾ "; }
.faq dl { margin: 14px 0 0; }
.faq dt { font-size: 13.5px; font-weight: 600; color: var(--text); margin-top: 13px; }
.faq dd { font-size: 13px; line-height: 1.8; color: var(--text-mute); margin: 5px 0 0; }

.noscript-note { padding: 22px 0; font-size: 13px; line-height: 1.8; color: var(--text-dim); }

@media (max-width: 600px) {
  .hero { padding: 40px 0 28px; }
  /* 顶部导航：收窄间距、隐藏品牌副标题，保证一行放下 */
  .brand-text em { display: none; }
  .header-nav { gap: 11px; }
  .header-nav a { font-size: 13px; }
  .control-row.inline { flex-direction: column; align-items: stretch; }
  .result-count { justify-content: flex-start; }
  .grid { grid-template-columns: 1fr; }
  .pager { gap: 5px; padding: 8px 10px; }
  .pg-txt { display: none; }
  .pg-btn { padding: 5px 9px; font-size: 13px; min-width: 32px; text-align: center; }
  .pg-num { min-width: 27px; height: 27px; font-size: 12px; }
  .pg-info { margin-left: 0; flex-basis: 100%; order: 9; }
  .pg-jump { order: 10; }
  /* 窄屏只保留当前页码，避免按钮换行 */
  .pg-nums .pg-num:not(.active) { display: none; }
  .pg-nums .pg-gap { display: none; }
}

/* ---------- 按会展中心浏览（场馆目录） ---------- */
.venue-directory { display: flex; flex-direction: column; gap: 14px; margin-top: 4px; }
.venue-group {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px;
}
.venue-head { margin-bottom: 10px; }
.venue-head h3 {
  margin: 0 0 4px; font-size: 16px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.venue-head h3 .flag { font-size: 17px; }
.venue-sub {
  margin: 0; font-size: 12.5px; color: var(--text-mute);
  display: flex; align-items: center; gap: 7px; flex-wrap: wrap;
}
.venue-sub .dot { opacity: .5; }
.venue-sub .venue-count { color: var(--accent); font-weight: 600; }
.venue-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.venue-item {
  display: grid; grid-template-columns: 132px 1fr auto 22px; gap: 12px; align-items: center;
  padding: 8px 10px; border-radius: var(--radius-sm); border-top: 1px solid var(--border);
  font-size: 13.5px; color: var(--text);
}
.venue-item:first-child { border-top: none; }
.venue-item:hover { background: var(--panel-2); }
.venue-item.is-expired { opacity: .45; }
.venue-date { color: var(--accent); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.venue-name { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.venue-tag {
  font-size: 11.5px; color: var(--text-dim); background: var(--accent-soft);
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.venue-link { color: var(--text-mute); text-decoration: none; font-size: 14px; }
.venue-link:hover { color: var(--accent); }

@media (max-width: 720px) {
  .venue-item { grid-template-columns: 1fr auto; gap: 4px 10px; }
  .venue-date { grid-column: 1 / -1; }
  .venue-tag { display: none; }
}