/* WAIC 知识库门户 —— 共享样式（无外部依赖，断网可用） */
:root {
  --bg: #f6f5fb;
  --surface: #ffffff;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #1f2329;
  --text-secondary: #646a73;
  --text-tertiary: #8f959e;
  /* WAIC 2026 官方主视觉：浅色底 + 蓝→紫→粉渐变 + 流光线条 */
  --accent: #2f6bff;
  --accent-soft: #eaf1ff;
  --accent-hover: #1f55d6;
  --waic-navy-1: #0b0b2e;
  --waic-navy-2: #241a5e;
  --waic-navy-3: #3b2a8f;
  --waic-ink: #191947;
  --waic-ink-soft: #55557a;
  --waic-blue: #3b82f6;
  --waic-violet: #8b5cf6;
  --waic-pink: #ec4899;
  --waic-cyan: #37c8ff;
  --waic-orange: #ff9a5a;
  --danger: #b42318;
  --ok: #067647;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.16);
  /* 内容性质标签配色 */
  --ct-official-fg: #7a271a; --ct-official-bg: #fef3f2;
  --ct-transcript-fg: #175cd3; --ct-transcript-bg: #eff4ff;
  --ct-organizer-fg: #026aa2; --ct-organizer-bg: #f0f9ff;
  --ct-org-fg: #6941c6; --ct-org-bg: #f4f3ff;
  --ct-media-fg: #b54708; --ct-media-bg: #fffaeb;
  --ct-repost-fg: #475467; --ct-repost-bg: #f2f4f7;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }

/* ---------- WAIC 2026 主视觉横幅（浅色底 + 竖线纹理 + 流光丝带，全站可复用） ---------- */
.hero-band {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1000px 520px at 88% -10%, rgba(139, 92, 246, 0.14), transparent 60%),
    radial-gradient(860px 460px at 4% 108%, rgba(59, 130, 246, 0.12), transparent 60%),
    radial-gradient(700px 380px at 55% 120%, rgba(236, 72, 153, 0.08), transparent 65%),
    repeating-linear-gradient(90deg, rgba(25, 25, 71, 0.04) 0 1px, transparent 1px 52px),
    linear-gradient(180deg, #f9f7fe 0%, #f3effb 100%);
  color: var(--waic-ink);
}
.hero-band > * { position: relative; }
.hero-band .ribbon {
  position: absolute; left: 0; right: 0; bottom: 0;
  width: 100%; height: 190px; pointer-events: none;
}
.brand-gradient {
  background: linear-gradient(90deg, var(--waic-blue), var(--waic-violet) 52%, var(--waic-pink));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 20px;
  height: 56px; display: flex; align-items: center; gap: 28px;
}
.nav-brand { font-weight: 700; font-size: 16px; color: var(--text); white-space: nowrap; }
.nav-brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a, .nav-links span.nav-disabled {
  padding: 6px 12px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 14px; white-space: nowrap;
}
.nav-links a:hover { background: var(--bg); text-decoration: none; color: var(--text); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.nav-disabled { color: var(--text-tertiary) !important; cursor: default; }
.nav-disabled em { font-style: normal; font-size: 11px; margin-left: 2px; }
.nav-badge {
  font-size: 12px; color: var(--text-tertiary); white-space: nowrap;
}
@media (max-width: 1100px) {
  .nav-badge { display: none; }
}
/* ---------- 顶栏全局搜索 ---------- */
.nav-search { flex: none; display: flex; margin: 0; }
.nav-search input {
  width: 180px; border: 1.5px solid var(--border-strong); border-radius: 999px;
  padding: 5px 14px; font-size: 13px; font-family: inherit; outline: none;
  background: var(--bg); color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s, width 0.2s;
}
.nav-search input::placeholder { color: var(--text-tertiary); }
.nav-search input:focus {
  border-color: var(--accent); background: #fff;
  box-shadow: 0 0 0 3px var(--accent-soft); width: 220px;
}
@media (max-width: 720px) {
  .nav-inner {
    gap: 6px 8px; padding: 6px 12px; height: auto; min-height: 56px;
    flex-wrap: wrap; overflow-x: visible;
  }
  .nav-brand { order: 1; }
  .nav-search { order: 2; flex: 1; min-width: 0; }
  .nav-search input, .nav-search input:focus { width: 100%; }
  .nav-links {
    order: 3; flex: 1 1 100%; overflow-x: auto; flex-wrap: nowrap;
    padding-bottom: 2px;
  }
  .nav-links a, .nav-links span.nav-disabled { white-space: nowrap; padding: 4px 10px; }
  .nav-badge { display: none; }
}

/* ---------- 页面容器 ---------- */
.page { max-width: 1160px; margin: 0 auto; padding: 28px 20px 64px; }
/* ---------- 统一页脚 ---------- */
.site-footer {
  max-width: 1160px; margin: 8px auto 0; padding: 26px 20px 30px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; gap: 26px; flex-wrap: wrap;
}
.site-footer-text { text-align: center; color: var(--text-tertiary); font-size: 12.5px; line-height: 2; }
.site-footer-text p { margin: 0; }
.share-open {
  flex: none; border: 1px solid var(--border-strong); background: var(--surface);
  border-radius: 999px; padding: 4px 14px; font-size: 12.5px; color: var(--text-secondary);
}
.share-open:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
/* 桌面端页脚常驻二维码小图 */
.site-footer-qr { flex: none; text-align: center; }
.site-footer-qr .qr-img svg { width: 84px; height: 84px; display: block; }
.site-footer-qr p { margin: 4px 0 0; font-size: 11px; color: var(--text-tertiary); }
@media print {
  .site-footer { display: none; }
}
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}

/* ---------- 内容性质标签 ---------- */
.ctag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.ctag-official_statement { color: var(--ct-official-fg); background: var(--ct-official-bg); }
.ctag-full_transcript { color: var(--ct-transcript-fg); background: var(--ct-transcript-bg); }
.ctag-organizer_summary { color: var(--ct-organizer-fg); background: var(--ct-organizer-bg); }
.ctag-organization_release { color: var(--ct-org-fg); background: var(--ct-org-bg); }
.ctag-media_summary { color: var(--ct-media-fg); background: var(--ct-media-bg); }
.ctag-secondary_repost { color: var(--ct-repost-fg); background: var(--ct-repost-bg); }
.ctag-unknown { color: var(--text-tertiary); background: var(--bg); }

/* ---------- 引用块 / 实体芯片 ---------- */
.cite-chip {
  display: inline-flex; align-items: center; gap: 4px;
  margin: 2px 4px 2px 0; padding: 2px 10px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--surface); font-size: 12.5px; color: var(--accent);
  cursor: pointer; transition: background 0.15s;
}
.cite-chip:hover { background: var(--accent-soft); }
.cite-chip::before { content: "📄"; font-size: 11px; }
.entity-chip {
  display: inline-block; margin: 0 2px; padding: 0 6px;
  border-radius: var(--radius-sm); background: var(--accent-soft);
  color: var(--accent); font-weight: 600; cursor: pointer;
}
.entity-chip:hover { text-decoration: underline; }
.entity-chip.org { background: var(--ct-org-bg); color: var(--ct-org-fg); }
.entity-chip.topic { background: var(--ct-organizer-bg); color: var(--ct-organizer-fg); }

/* ---------- 万象云外链卡片 ---------- */
.ext-card {
  border: 1px solid var(--border); border-radius: 10px;
  background: linear-gradient(135deg, #f4f8ff 0%, #ffffff 70%);
  padding: 12px 14px; margin-bottom: 10px;
}
.ext-card-heading { display: flex; align-items: center; gap: 10px; }
.ext-card-mark {
  flex: none; width: 34px; height: 34px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 800;
}
.ext-card-copy { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.ext-card-copy small { font-size: 10.5px; letter-spacing: 0.06em; color: var(--text-tertiary); }
.ext-card-copy strong { font-size: 14px; color: var(--text); }
.ext-card-meta { margin: 8px 0 0; font-size: 11.5px; color: var(--text-tertiary); }
.ext-card-open {
  display: inline-block; margin-top: 8px; padding: 7px 16px;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-size: 12.5px; font-weight: 700; text-decoration: none;
}
.ext-card-open:hover { background: var(--accent-hover); }
.ext-card-note { margin: 8px 0 0; font-size: 11.5px; color: var(--text-tertiary); line-height: 1.6; }

/* ---------- 万象云分享页跳转中间层 ---------- */
.wxy-mask {
  position: fixed; inset: 0; z-index: 1200;
  background: rgba(15, 23, 42, 0.45);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.wxy-dialog {
  width: 400px; max-width: 100%;
  background: var(--surface); border-radius: 14px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.25);
  padding: 20px 22px 16px;
  animation: wxy-in 0.18s ease-out;
}
@keyframes wxy-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.wxy-title { font-size: 15px; font-weight: 700; color: var(--text); }
.wxy-body {
  margin-top: 10px; font-size: 13px; line-height: 1.8;
  color: var(--text-secondary);
}
.wxy-body b { color: var(--text); }
.wxy-actions {
  margin-top: 16px; display: flex; align-items: center; gap: 10px;
}
.wxy-go {
  display: inline-block; padding: 8px 20px;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 700; text-decoration: none;
}
.wxy-go:hover { background: var(--accent-hover); }
.wxy-cancel {
  border: 1px solid var(--border-strong); background: var(--surface);
  border-radius: 999px; padding: 7px 16px;
  font-size: 13px; color: var(--text-secondary); cursor: pointer;
}
.wxy-cancel:hover { background: var(--bg); }
.wxy-countdown { margin-left: auto; font-size: 11.5px; color: var(--text-tertiary); }

/* ---------- 主题相关专利（万象云实时检索） ---------- */
.pat-related { margin-top: 10px; font-size: 12.5px; color: var(--text-tertiary); }
.pat-related .label { margin-right: 2px; }
.pat-related-item { position: relative; }
.pat-related-chip {
  display: inline-flex; align-items: center;
  margin: 2px 6px 2px 0; padding: 2px 10px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--surface); font-size: 12.5px; color: var(--accent);
  cursor: pointer; transition: background 0.15s;
}
.pat-related-chip:hover { background: var(--accent-soft); }
.pat-entry {
  border: none; background: none; padding: 0; margin-top: 8px;
  font-size: 12.5px; color: var(--accent); cursor: pointer;
}
.pat-entry:hover { text-decoration: underline; }
.pat-entry:disabled { color: var(--text-tertiary); cursor: default; text-decoration: none; }
.pat-badge {
  border: 1px solid var(--border-strong); background: var(--surface);
  border-radius: 999px; padding: 0 6px; margin-left: 5px;
  font-size: 10px; line-height: 1.6; color: var(--accent);
  cursor: pointer; vertical-align: middle;
}
.pat-badge:hover { background: var(--accent-soft); }
.pat-badge:disabled { color: var(--text-tertiary); cursor: default; }
.pat-hint { margin-left: 8px; font-size: 11.5px; color: var(--text-tertiary); }
.pat-slot { margin-top: 10px; }
.pat-card {
  border: 1px solid var(--border); border-radius: 10px;
  background: linear-gradient(135deg, #f4f8ff 0%, #ffffff 70%);
  padding: 12px 14px;
}
.pat-head { font-size: 13px; font-weight: 700; color: var(--text); }
.pat-cached {
  margin-left: 8px; padding: 1px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-size: 10.5px; font-weight: 600;
}
.pat-warn { margin: 8px 0 0; font-size: 11.5px; color: var(--ct-org-fg); }
.pat-item { padding: 8px 0; border-top: 1px dashed var(--border); }
.pat-item:first-of-type { border-top: none; }
.pat-item-title {
  font-size: 13px; color: var(--accent); text-decoration: none; line-height: 1.5;
}
a.pat-item-title:hover { text-decoration: underline; }
.pat-item-meta { margin-top: 2px; font-size: 11.5px; color: var(--text-tertiary); }
.pat-open {
  display: inline-block; margin-top: 10px; padding: 7px 16px;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-size: 12.5px; font-weight: 700; text-decoration: none;
}
.pat-open:hover { background: var(--accent-hover); }
.pat-note { margin: 8px 0 0; font-size: 11.5px; color: var(--text-tertiary); line-height: 1.6; }
.pat-box { margin-top: 6px; }
.pat-context { margin-bottom: 6px; font-size: 12.5px; font-weight: 700; color: var(--text); }
/* 气泡浮层：锚定在入口旁，不影响页面布局 */
.pat-pop {
  position: fixed; z-index: 70;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  padding: 10px 12px 12px; max-height: 70vh; overflow-y: auto;
}
.pat-pop-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px; font-size: 12.5px; font-weight: 700; color: var(--text);
}
.pat-pop-close {
  border: none; background: none; cursor: pointer;
  color: var(--text-tertiary); font-size: 13px; padding: 0 2px;
}
.pat-pop-close:hover { color: var(--text); }
.pat-pop .pat-card { border: none; background: none; padding: 0; }
/* 窄屏：专利浮层改为底部弹出层（配合 shared.js 的 sheet 类） */
@media (max-width: 640px) {
  .pat-pop.sheet {
    left: 8px !important; right: 8px; top: auto !important; bottom: 8px;
    width: auto !important; max-height: 55vh;
  }
}

/* ---------- 证据抽屉 ---------- */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(16, 24, 40, 0.36);
  opacity: 0; pointer-events: none; transition: opacity 0.2s; z-index: 60;
}
.drawer-mask.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(460px, 94vw);
  background: var(--surface); box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: transform 0.24s ease;
  z-index: 61; display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
@media (max-width: 640px) {
  .drawer { width: 100vw; }
}
.drawer-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 16px 20px 12px; border-bottom: 1px solid var(--border); gap: 12px;
}
.drawer-title { font-size: 15px; font-weight: 700; margin: 0; line-height: 1.5; }
.drawer-close {
  border: none; background: var(--bg); border-radius: var(--radius-sm);
  width: 30px; height: 30px; font-size: 16px; color: var(--text-secondary); flex: none;
}
.drawer-close:hover { background: var(--border); }
.drawer-body { padding: 16px 20px 24px; overflow-y: auto; flex: 1; }
.drawer-section { margin-bottom: 18px; }
.drawer-section h4 {
  margin: 0 0 6px; font-size: 12px; color: var(--text-tertiary);
  font-weight: 600; letter-spacing: 0.05em;
}
.drawer-excerpt {
  background: var(--bg); border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 12px; font-size: 14px; white-space: pre-wrap;
}
.drawer-meta { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.drawer-meta td { padding: 5px 0; vertical-align: top; border-bottom: 1px dashed var(--border); }
.drawer-meta td:first-child { color: var(--text-tertiary); width: 76px; white-space: nowrap; }
.drawer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn {
  border: 1px solid var(--border-strong); background: var(--surface);
  border-radius: var(--radius-sm); padding: 6px 14px; font-size: 13px;
  color: var(--text); transition: background 0.15s;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.55; cursor: default; }

/* ---------- 搜索框组件（蓝色主题 · 圆角胶囊，全站复用） ---------- */
.search-box { position: relative; display: flex; gap: 8px; align-items: center; }
.search-box input[type="text"],
.search-box input[type="search"] {
  flex: 1; width: 100%;
  border: 1.5px solid #b9cdff;
  border-radius: 999px;
  background: #fff;
  padding: 9px 18px; font-size: 14px; font-family: inherit; outline: none;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-box input::placeholder { color: var(--text-tertiary); }
.search-box input:hover { border-color: var(--accent); }
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-box .btn-primary { flex: none; border-radius: 999px; padding: 9px 22px; }

/* ---------- 反馈控件 ---------- */
.feedback-bar { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 12.5px; color: var(--text-tertiary); }
.feedback-bar button {
  border: 1px solid var(--border); background: var(--surface);
  border-radius: 999px; padding: 2px 12px; font-size: 12.5px; color: var(--text-secondary);
}
.feedback-bar button:hover { background: var(--bg); }
.feedback-bar button.done { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* ---------- 提示 / 状态 ---------- */
.notice {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); padding: 14px 16px; color: var(--text-secondary); font-size: 13.5px;
}
.notice.warn { border-color: #f6c453; background: #fffdf5; }
.notice.error { border-color: #f1a39c; background: #fef6f5; color: var(--danger); }
.muted { color: var(--text-tertiary); font-size: 12.5px; }
/* 未署名归属兜底：大会集体文件/多人合并分享的统一标识 */
.unattributed { color: var(--text-tertiary); border-bottom: 1px dashed var(--border-strong); cursor: help; }
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px);
  background: #101828; color: #fff; border-radius: var(--radius-sm);
  padding: 8px 18px; font-size: 13.5px; opacity: 0; transition: all 0.25s; z-index: 80;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.spinner {
  display: inline-block; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border-strong); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite; vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 节点悬停气泡（图谱页与首页迷你图共用） ---------- */
.node-tip {
  position: absolute; z-index: 7; pointer-events: none; display: none;
  background: rgba(16, 24, 40, 0.92); color: #fff; border-radius: 8px;
  padding: 7px 11px; font-size: 12px; line-height: 1.55; max-width: 300px;
  box-shadow: var(--shadow-lg);
}
.node-tip .tip-type {
  display: inline-block; padding: 0 7px; border-radius: 999px;
  font-size: 10.5px; font-weight: 700; margin-right: 6px; color: #fff;
}
.node-tip .tip-label { font-weight: 600; }
.node-tip .tip-sub { color: rgba(255, 255, 255, 0.68); font-size: 11px; margin-top: 2px; }


/* ---------- 知识地图 · 十二主题观点速记带 ---------- */
.kmap-claims { margin-top: 4px; padding: 0 6px 10px; }
.kmap-claims-head h3 { margin: 0; font-size: 15.5px; }
.kmap-claims-head p { margin: 2px 0 10px; font-size: 12.5px; }
.kmap-claims-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 980px) { .kmap-claims-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .kmap-claims-grid { grid-template-columns: minmax(0, 1fr); } }
.kmap-claim-card {
  text-align: left; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; padding: 10px 12px; cursor: pointer; font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.kmap-claim-card:hover { border-color: var(--accent); box-shadow: var(--shadow-lg); }
.kc-topic { display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--accent-hover); }
.kc-count { font-size: 11px; color: var(--text-tertiary); font-weight: 400; flex: none; }
.kc-text { font-size: 12.5px; color: var(--text-secondary); line-height: 1.6;
  margin: 5px 0 6px; min-height: 40px; }
.kc-who { font-size: 11.5px; color: var(--text-tertiary); }
.kc-page { color: var(--accent-hover); }