:root {
  --bg: #0f1420;
  --bg2: #151b2b;
  --card: #1a2134;
  --card-hover: #202a42;
  --line: #2a3550;
  --text: #e8ecf4;
  --text-dim: #9aa5bd;
  --accent: #ff4655;
  --accent-soft: rgba(255, 70, 85, 0.14);
  --gold: #e9b25f;
  --radius: 12px;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(255, 70, 85, 0.10), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(80, 140, 255, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(15, 20, 32, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; cursor: pointer; }
.brand-logo { font-size: 26px; }
.brand-text { font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
.brand-text em { font-style: normal; color: var(--accent); font-weight: 500; font-size: 14px; margin-left: 8px; }

.search-box { flex: 1; max-width: 640px; }
.search-box input {
  width: 100%;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.search-box input:focus { border-color: var(--accent); }

.chat-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: #ff7a86;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.chat-toggle:hover { background: rgba(255, 70, 85, 0.25); }

/* ---------- 布局 ---------- */
.layout { display: flex; flex: 1; min-height: 0; }

.sidebar {
  width: 218px;
  flex-shrink: 0;
  padding: 16px 12px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: sticky;
  top: 63px;
  height: calc(100vh - 63px);
  overflow-y: auto;
}
.sidebar-title { font-size: 13px; color: var(--text-dim); padding: 0 8px; }
.agent-list { display: flex; flex-direction: column; gap: 4px; }
.agent-group-label {
  font-size: 11px; color: var(--text-dim); opacity: 0.8;
  padding: 10px 8px 4px; letter-spacing: 1px;
}
.agent-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 10px;
  cursor: pointer; border: 1px solid transparent;
  transition: background 0.12s;
}
.agent-item:hover { background: var(--card); }
.agent-item.active { background: var(--accent-soft); border-color: rgba(255, 70, 85, 0.5); }
.agent-emoji { width: 26px; height: 26px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; background: var(--bg2); border: 1px solid var(--line); }
.agent-name { font-size: 14px; flex: 1; }
.agent-en { font-size: 10px; color: var(--text-dim); }
.agent-count { font-size: 11px; color: var(--text-dim); background: var(--bg2); border-radius: 999px; padding: 2px 8px; }
.sidebar-foot { margin-top: auto; padding: 12px 8px 0; }
.sidebar-note { font-size: 11px; color: var(--text-dim); line-height: 1.7; border-top: 1px solid var(--line); padding-top: 12px; }
.sidebar-note b { color: var(--accent); }

/* ---------- 内容区 ---------- */
.content { flex: 1; padding: 18px 22px 40px; min-width: 0; }
.filters { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-label { font-size: 12px; color: var(--text-dim); width: 34px; flex-shrink: 0; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 5px 12px; border-radius: 999px; font-size: 13px;
  border: 1px solid var(--line); background: var(--bg2); color: var(--text-dim);
  cursor: pointer; transition: all 0.12s;
}
.chip:hover { border-color: #4a5878; color: var(--text); }
.chip.active { border-color: var(--accent); color: #fff; background: var(--accent-soft); }
.result-count { margin-left: auto; font-size: 12px; color: var(--text-dim); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--role-color, #64748b);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: stretch;
  transition: transform 0.12s, background 0.12s, border-color 0.12s;
}
.card:hover { transform: translateY(-2px); background: var(--card-hover); }
.card-thumb {
  width: 104px; flex-shrink: 0; border-radius: 8px; overflow: hidden;
  background: var(--bg); border: 1px solid var(--line);
}
.card-thumb svg { width: 100%; height: 100%; display: block; }
.card-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.card-main .card-bottom { margin-top: auto; }
.card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.card-agent { font-size: 12px; font-weight: 600; color: var(--role-color, #9aa5bd); }
.card-map { font-size: 12px; color: var(--text-dim); background: var(--bg2); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; }
.card-side { font-size: 12px; color: #ffb35c; }
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.card-effect { font-size: 13px; color: var(--text-dim); line-height: 1.55; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-bottom { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag-pill { font-size: 11px; color: #7f9dff; background: rgba(90, 130, 255, 0.12); padding: 2px 8px; border-radius: 999px; }
.source-pill {
  font-size: 11px; color: var(--gold); background: rgba(233, 178, 95, 0.10);
  padding: 2px 8px; border-radius: 999px; margin-left: auto;
  display: inline-flex; align-items: center; gap: 4px; max-width: 55%; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis;
}
.conf-pill { font-size: 10px; padding: 2px 6px; border-radius: 999px; border: 1px solid var(--line); color: var(--text-dim); }

.empty { text-align: center; padding: 80px 20px; color: var(--text-dim); }
.empty-icon { font-size: 44px; margin-bottom: 12px; }
.empty p { margin-bottom: 6px; font-size: 15px; }
.empty-sub { font-size: 13px; opacity: 0.8; }

/* ---------- 详情弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(5, 8, 15, 0.7); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  max-width: 680px; width: 100%; max-height: 86vh; overflow-y: auto; padding: 24px 26px;
  position: relative;
}
.modal-close {
  position: absolute; top: 12px; right: 14px;
  background: transparent; border: none; color: var(--text-dim); font-size: 18px; cursor: pointer;
}
.modal-close:hover { color: #fff; }
.modal-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.modal-emoji { font-size: 30px; }
.modal-agent { font-size: 14px; font-weight: 700; color: var(--role-color, #9aa5bd); }
.modal-title { font-size: 20px; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.modal-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.modal-section { margin-bottom: 16px; }
.modal-section h4 {
  font-size: 13px; color: var(--accent); letter-spacing: 1px; margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.modal-section p, .modal-section li { font-size: 14px; line-height: 1.75; color: var(--text); }
.modal-section ol { padding-left: 20px; }
.modal-section li::marker { color: var(--accent); font-weight: 700; }
.modal-source {
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--text-dim); line-height: 1.7;
}
.modal-source b { color: var(--gold); }
.modal-source a { color: #7f9dff; word-break: break-all; }

/* ---------- 问答抽屉 ---------- */
.chat-mask { position: fixed; inset: 0; z-index: 60; background: rgba(5, 8, 15, 0.5); }
.chat-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 61;
  width: min(440px, 100vw); background: var(--bg2);
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform 0.22s ease;
}
.chat-drawer.open { transform: translateX(0); }
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
}
.chat-title { font-size: 15px; font-weight: 700; }
.chat-close { background: transparent; border: none; color: var(--text-dim); font-size: 16px; cursor: pointer; }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 86%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--card); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-meta { font-size: 10px; color: var(--text-dim); margin-top: 6px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.msg-source { color: var(--gold); cursor: pointer; text-decoration: underline dotted; }
.msg-related { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.msg-related button {
  font-size: 12px; padding: 4px 10px; border-radius: 999px; cursor: pointer;
  background: var(--accent-soft); border: 1px solid rgba(255, 70, 85, 0.4); color: #ff8a95;
}
.chat-suggestions { padding: 4px 16px 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.chat-suggestions button {
  font-size: 12px; padding: 5px 12px; border-radius: 999px; cursor: pointer;
  background: transparent; border: 1px dashed var(--line); color: var(--text-dim);
}
.chat-suggestions button:hover { color: var(--text); border-color: #4a5878; }
.chat-form { display: flex; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); }
.chat-form input {
  flex: 1; padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font-size: 14px; outline: none;
}
.chat-form input:focus { border-color: var(--accent); }
.chat-form button {
  padding: 10px 20px; border-radius: 999px; border: none; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14px;
}
.chat-form button:disabled { opacity: 0.5; cursor: not-allowed; }
.typing { color: var(--text-dim); font-size: 13px; }

/* ---------- 精选示例（首页秒懂卡） ---------- */
.featured { margin-bottom: 18px; }
.featured-head {
  font-size: 15px; font-weight: 700; margin-bottom: 10px;
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.featured-sub { font-size: 12px; color: var(--text-dim); font-weight: 400; }
.featured-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.featured-card {
  display: flex; gap: 12px; background: var(--card);
  border: 1px solid var(--line); border-left: 4px solid var(--role-color, #64748b);
  border-radius: var(--radius); padding: 12px; cursor: pointer;
  transition: transform 0.12s, background 0.12s;
}
.featured-card:hover { transform: translateY(-2px); background: var(--card-hover); }
.featured-figure {
  width: 96px; flex-shrink: 0; border-radius: 8px; overflow: hidden;
  background: var(--bg); border: 1px solid var(--line);
}
.featured-figure svg { width: 100%; display: block; }
.featured-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.featured-agent { font-size: 12px; font-weight: 600; color: var(--role-color, #9aa5bd); }
.featured-map { font-size: 11px; color: var(--text-dim); margin-left: 6px; }
.featured-title { font-size: 14px; font-weight: 700; margin: 4px 0; line-height: 1.4; }
.featured-effect {
  font-size: 12px; color: var(--text-dim); line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-btn {
  margin-top: 8px; align-self: flex-start; font-size: 12px; padding: 5px 12px;
  border-radius: 999px; cursor: pointer;
  background: var(--accent-soft); border: 1px solid rgba(255, 70, 85, 0.4); color: #ff8a95;
}

/* ---------- 弹窗示意图 ---------- */
.modal-figure { margin: 4px 0 16px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.modal-figure svg { width: 100%; height: auto; display: block; }
.figure-legend {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  margin-top: 8px; font-size: 11px; color: var(--text-dim);
}
.figure-legend span { display: inline-flex; align-items: center; gap: 5px; }
.figure-legend i { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.figure-legend i.aim { border-radius: 0; background: transparent; border: none; position: relative; color: var(--gold); font-style: normal; }
.figure-legend i.aim::after { content: '✕'; font-weight: 700; font-size: 11px; }
.figure-legend i.site { border-radius: 3px; background: var(--bg2); border: 1px solid #4a5878; }
.btn-video {
  display: inline-block; margin-top: 10px; padding: 8px 16px; border-radius: 999px;
  background: var(--accent); color: #fff !important; text-decoration: none;
  font-size: 13px; font-weight: 700;
}
.btn-video:hover { filter: brightness(1.15); }

/* ---------- 页脚 ---------- */
.footer {
  padding: 14px 22px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--text-dim); line-height: 1.8; text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; overflow-x: auto; align-items: center; }
  .agent-list { flex-direction: row; overflow-x: auto; }
  .agent-item { white-space: nowrap; }
  .sidebar-title, .sidebar-foot { display: none; }
  .chat-toggle-text { display: none; }
  .brand-text em { display: none; }
}