/* ==========================================================================
   前台布局：顶栏 / 侧栏会话 / 对话流 / 输入区
   ========================================================================== */

.app { display: flex; flex-direction: column; min-height: 100vh; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 16, 30, .92), rgba(8, 12, 24, .74));
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  position: sticky; top: 0; z-index: 60;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand .mark {
  width: 32px; height: 32px; border-radius: 9px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #04101c; font-weight: 800; font-size: 12.5px; letter-spacing: .4px;
  box-shadow: 0 0 18px rgba(79, 216, 255, .42);
}
.brand .txt { min-width: 0; }
.brand b { display: block; font-size: 14.5px; color: #eaf4ff; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; }
.brand span { display: block; font-size: 11px; color: var(--text-faint);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.topnav { display: flex; gap: 4px; margin-left: 6px; }
.nav-item {
  padding: 7px 13px; border-radius: 9px; cursor: pointer; font-size: 13px;
  color: var(--text-dim); border: 1px solid transparent; background: transparent;
  font-family: inherit; transition: .16s ease; white-space: nowrap;
}
.nav-item:hover { color: var(--cyan-soft); background: rgba(79, 216, 255, .07); }
.nav-item.active {
  color: #04101c; font-weight: 600; border-color: transparent;
  background: linear-gradient(100deg, rgba(79, 216, 255, .95), rgba(169, 123, 255, .9));
}
.topbar .spacer { flex: 1; }
#userChip { display: flex; align-items: center; gap: 8px; }
.chip {
  display: flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 20px;
  border: 1px solid var(--line-strong); background: rgba(79, 216, 255, .07);
  cursor: pointer; transition: .16s; font-size: 12.5px;
}
.chip:hover { background: rgba(79, 216, 255, .15); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 7px var(--green); flex: none; }
.chip .who { color: var(--text); max-width: 92px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.chip .pts { font-family: var(--mono); color: var(--cyan-soft); font-weight: 600; }
.chip .pts.low { color: var(--amber); }

/* ---------- 主体 ---------- */
.main { flex: 1; display: flex; min-height: 0; }
.view { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.view.pad { padding: 20px; overflow: auto; display: block; }
.view-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.view-head h2 { margin: 0; font-size: 17px; color: #eaf4ff; font-weight: 600; }
#viewTitle { font-size: 17px; color: #eaf4ff; font-weight: 600; margin: 0; }

/* ---------- 对话布局 ---------- */
.chat-wrap { display: flex; flex: 1; min-height: 0; }
.side {
  width: 262px; flex: none; border-right: 1px solid var(--line);
  background: rgba(8, 13, 25, .58); display: flex; flex-direction: column; min-height: 0;
}
.side-head { padding: 12px 13px; border-bottom: 1px solid var(--line); display: flex; gap: 8px; }
.side-head .btn { flex: 1; }
.side-body { flex: 1; overflow: auto; padding: 9px; }
.side-empty { padding: 30px 12px; text-align: center; color: var(--text-faint); font-size: 12.5px; }

.chat-col { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }

/* 栏目条：.scene-bar-wrap / .scene-bar 的完整定义见下方「★ 一级标签栏横向滚动」段，
   此处不再重复声明，避免两处规则互相覆盖导致滚动行为不确定。 */
.scene-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; flex: none;
  border-radius: 20px; cursor: pointer; font-family: inherit; font-size: 12.5px;
  border: 1px solid var(--line); background: rgba(18, 27, 48, .6); color: var(--text-dim);
  transition: .16s ease; white-space: nowrap;
}
.scene-chip:hover { color: var(--cyan-soft); border-color: var(--line-strong); transform: translateY(-1px); }
.scene-chip.on {
  color: #04101c; font-weight: 700; border-color: transparent;
  background: linear-gradient(100deg, var(--cyan), var(--violet));
  box-shadow: 0 4px 16px rgba(79, 216, 255, .3);
}
.scene-chip .ic { font-size: 13.5px; }
#sceneHint { padding: 0 16px 9px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
  border-bottom: 1px solid rgba(120, 200, 255, .08); min-height: 30px; }

/* 消息区 */
.msg-wrap { flex: 1; overflow: auto; padding: 18px 16px 8px; }
.msg-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px; }

.welcome { text-align: center; padding: 46px 14px 24px; max-width: 760px; margin: 0 auto; }
.logo-orb {
  width: 68px; height: 68px; margin: 0 auto 16px; border-radius: 21px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(79, 216, 255, .22), rgba(169, 123, 255, .22));
  border: 1px solid var(--line-strong); box-shadow: 0 0 40px rgba(79, 216, 255, .28);
  animation: float 4.2s ease-in-out infinite;
}
.logo-orb.sm { width: 52px; height: 52px; border-radius: 16px; margin-bottom: 12px; animation: none; }
.logo-orb span { font-size: 21px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(120deg, var(--cyan-soft), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes float { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-7px) } }
.welcome h2 { margin: 0 0 7px; font-size: 25px; font-weight: 700; }
.welcome p { margin: 0 0 24px; font-size: 13.5px; }
.hint-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 11px; text-align: left; }
.hint-card {
  padding: 13px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--panel); transition: .18s;
}
.hint-card:hover { border-color: var(--line-strong); transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .34); }
.hint-card .ic { font-size: 19px; }
.hint-card b { display: block; margin: 6px 0 3px; font-size: 13px; color: #eaf4ff; }
.hint-card p { margin: 0; font-size: 11.8px; line-height: 1.6; color: var(--text-faint); }

/* 消息气泡 */
.msg { display: flex; gap: 11px; max-width: 900px; margin: 0 auto; width: 100%; }
.msg .avatar {
  width: 31px; height: 31px; border-radius: 9px; flex: none; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: rgba(18, 27, 48, .8);
}
.msg.me { flex-direction: row-reverse; }
.msg.me .avatar { background: rgba(255, 184, 107, .14); border-color: rgba(255, 184, 107, .3); }
.msg .bubble {
  max-width: min(78%, 700px); padding: 11px 14px; border-radius: 13px;
  border: 1px solid var(--line); background: var(--panel-2);
}
.msg.me .bubble {
  background: linear-gradient(135deg, rgba(79, 216, 255, .13), rgba(169, 123, 255, .11));
  border-color: rgba(120, 220, 255, .28);
}
.msg .who { font-size: 11.5px; color: var(--text-faint); margin-bottom: 5px;
  display: flex; gap: 7px; align-items: center; }
.msg.me .who { justify-content: flex-end; }
.msg .body {
  white-space: pre-wrap; word-break: break-word; font-size: 14px; line-height: 1.78; color: var(--text);
}
.msg-foot { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 9px; padding-top: 8px;
  border-top: 1px dashed rgba(120, 200, 255, .14); }
.msg.err .bubble { border-color: rgba(255, 107, 125, .38); background: rgba(255, 107, 125, .07); }
.err-box { color: #ffc6ce; font-size: 13px; line-height: 1.7; }
.att-line { display: flex; gap: 7px; align-items: center; margin-bottom: 7px; flex-wrap: wrap; }
.thinking { display: flex; align-items: center; gap: 9px; color: var(--cyan-soft); font-size: 13px; }
.thinking i { font-style: normal; margin-left: 5px; font-family: var(--mono); }

/* ---------- 输入区 ---------- */
.composer-wrap { padding: 10px 16px 16px; border-top: 1px solid rgba(120, 200, 255, .09);
  background: linear-gradient(180deg, rgba(8, 12, 24, .3), rgba(8, 12, 24, .82)); }
.composer {
  max-width: 900px; margin: 0 auto; border-radius: 15px; padding: 10px 11px;
  border: 1px solid var(--line-strong); background: rgba(11, 18, 34, .94);
  transition: .18s ease;
}
.composer:focus-within { border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(79, 216, 255, .12), 0 0 30px rgba(79, 216, 255, .1); }
.composer.drag { border-color: var(--green); background: rgba(61, 220, 151, .07); }
.composer textarea {
  border: none; background: transparent; box-shadow: none; padding: 5px 6px;
  min-height: 52px; max-height: 220px; font-size: 14px; line-height: 1.7; resize: none;
}
.composer textarea:focus { box-shadow: none; background: transparent; }
.composer-bar { display: flex; align-items: center; gap: 8px; margin-top: 5px; flex-wrap: wrap; }
.composer-bar .spacer { flex: 1; }
.composer-bar select { width: auto; min-width: 132px; padding: 6px 30px 6px 10px; font-size: 12.5px; }
/* 宽屏用顶部胶囊栏目条，下拉框隐藏；窄屏胶囊只剩图标，改用下拉框选完整名称 */
.scene-select { display: none; }
#ttsTip { font-size: 11.5px; color: var(--text-faint); }

#uploadZone { max-width: 900px; margin: 0 auto 9px; }
.att-card {
  display: flex; align-items: center; gap: 11px; padding: 9px 13px; border-radius: 11px;
  border: 1px solid rgba(61, 220, 151, .32); background: rgba(61, 220, 151, .07);
}
.att-card .ic { font-size: 19px; }
.att-card .info { flex: 1; min-width: 0; }
.att-card .info b { display: block; font-size: 13px; color: #d9f6e8;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att-card .info span { display: block; font-size: 11.5px; }

/* ---------- 会话列表项 ---------- */
.conv-item {
  padding: 10px 11px; border-radius: 10px; cursor: pointer; margin-bottom: 6px;
  border: 1px solid transparent; transition: .15s ease;
}
.conv-item:hover { background: rgba(79, 216, 255, .07); border-color: var(--line); }
.conv-item.on { background: rgba(79, 216, 255, .13); border-color: var(--line-strong); }
.conv-item .t { font-size: 13px; color: var(--text); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.conv-item .m { display: flex; gap: 6px; align-items: center; margin-top: 5px; flex-wrap: wrap; }
.conv-item .m2 { display: flex; gap: 6px; align-items: center; justify-content: space-between; margin-top: 5px; }

/* ---------- 统计卡片 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 11px; }
.stat-card {
  padding: 14px 15px; border-radius: 13px; border: 1px solid var(--line);
  background: var(--panel); position: relative; overflow: hidden;
}
.stat-card::after {
  content: ""; position: absolute; right: -26px; top: -26px; width: 78px; height: 78px;
  border-radius: 50%; background: radial-gradient(circle, rgba(79, 216, 255, .17), transparent 70%);
}
.stat-card .l { font-size: 12px; color: var(--text-faint); }
.stat-card .v { font-size: 25px; font-weight: 700; color: var(--cyan-soft);
  font-family: var(--mono); margin-top: 5px; line-height: 1.2; }
.stat-card .v i { font-size: 11.5px; font-style: normal; color: var(--text-faint);
  margin-left: 5px; font-family: var(--sans); }
.stat-card.low .v { color: var(--amber); }
.stat-card.bad .v { color: var(--red); }
.stat-card.good .v { color: var(--green); }

.sec-title { font-size: 14.5px; color: #eaf4ff; margin: 22px 0 11px; font-weight: 600;
  display: flex; align-items: center; gap: 8px; }
.sec-title::before { content: ""; width: 3px; height: 14px; border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet)); }

.notice { padding: 13px 15px; border-radius: 12px; font-size: 13px;
  border-color: rgba(255, 184, 107, .28); background: rgba(255, 184, 107, .06); }

/* ---------- 充值套餐 ---------- */
.pack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(172px, 1fr)); gap: 12px; }
.pack {
  padding: 17px 15px; border-radius: 14px; text-align: center;
  border: 1px solid var(--line); background: var(--panel); transition: .18s ease;
}
.pack:hover { transform: translateY(-3px); border-color: var(--line-strong);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .4); }
.pack .nm { font-size: 13.5px; color: var(--text-dim); }
.pack .pt { font-size: 29px; font-weight: 800; margin: 7px 0 3px;
  background: linear-gradient(110deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.pack .pt i { font-size: 12px; font-style: normal; margin-left: 4px;
  -webkit-text-fill-color: var(--text-faint); }
.pack .pr { font-size: 15px; color: #eaf4ff; font-family: var(--mono); }

/* ---------- 登录 ---------- */
.auth-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px 14px; }
.auth-card { width: 100%; max-width: 392px; padding: 30px 26px; border-radius: 18px; text-align: center; }
.auth-card h2 { margin: 0 0 5px; font-size: 22px; }
.auth-card p { margin: 0 0 18px; font-size: 12.5px; }
.auth-card .field { text-align: left; }
.tabs2 { display: flex; gap: 6px; padding: 4px; border-radius: 11px; margin-bottom: 18px;
  border: 1px solid var(--line); background: rgba(6, 11, 22, .6); }
.tabs2 .t2 { flex: 1; padding: 8px; border-radius: 8px; border: none; cursor: pointer;
  background: transparent; color: var(--text-dim); font-family: inherit; font-size: 13px; transition: .16s; }
.tabs2 .t2.on { background: linear-gradient(100deg, rgba(79, 216, 255, .9), rgba(169, 123, 255, .85));
  color: #04101c; font-weight: 700; }

/* ---------- 页脚 ---------- */
.foot { padding: 11px 18px; text-align: center; font-size: 11.5px; color: var(--text-faint);
  border-top: 1px solid rgba(120, 200, 255, .07); }

/* ---------- ★ 汉堡菜单按钮 ---------- */
.burger {
  flex: none; width: 38px; height: 38px; padding: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: rgba(79, 216, 255, .07); transition: .18s ease;
}
.burger:hover { background: rgba(79, 216, 255, .16); border-color: var(--line-strong); }
.burger.on { background: rgba(79, 216, 255, .2); border-color: var(--cyan); }
.burger-box { display: flex; flex-direction: column; gap: 4px; width: 17px; }
.burger-box i {
  display: block; height: 2px; width: 100%; border-radius: 2px;
  background: var(--cyan-soft); transition: transform .22s ease, opacity .18s ease;
}
.burger.on .burger-box i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.on .burger-box i:nth-child(2) { opacity: 0; }
.burger.on .burger-box i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- ★ 类目搜索框（顶部标签区） ---------- */
.scene-bar-wrap { display: flex; flex-direction: column; gap: 8px; padding: 10px 16px 0; }
.cat-search { position: relative; display: flex; align-items: center; max-width: 340px; }
.cat-search .cs-ico {
  position: absolute; left: 11px; font-size: 12px; opacity: .55; pointer-events: none;
}
.cat-search .cs-input {
  padding-left: 32px; padding-right: 30px; font-size: 13px; border-radius: 18px;
  background: rgba(6, 11, 22, .72);
}
.cat-search .cs-input::-webkit-search-cancel-button { display: none; }
.cs-clear {
  position: absolute; right: 7px; width: 20px; height: 20px; padding: 0; cursor: pointer;
  border: 0; border-radius: 50%; background: rgba(120, 200, 255, .14);
  color: var(--text-dim); font-size: 10.5px; line-height: 1; font-family: inherit;
  display: inline-flex; align-items: center; justify-content: center;
}
.cs-clear:hover { background: rgba(255, 107, 125, .26); color: #ffc6ce; }

/* ---------- ★ 搜索结果面板 ---------- */
#catSearchResult {
  margin: 0 16px 8px; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(13, 20, 36, .7);
  max-height: 260px; overflow: auto;
}
.csr-head { font-size: 11.5px; color: var(--text-faint); margin-bottom: 7px; }
.csr-item {
  display: flex; align-items: center; gap: 7px; padding: 6px 9px; margin-bottom: 3px;
  border-radius: 8px; cursor: pointer; border: 1px solid transparent; transition: .14s ease;
}
.csr-item:hover { background: rgba(79, 216, 255, .1); border-color: var(--line); }
.csr-item .csr-ic { font-size: 13px; flex: none; }
.csr-item .csr-nm { font-size: 13px; color: var(--text); }
.csr-item .csr-path { font-size: 11px; color: var(--text-faint); margin-left: auto;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55%; }
.csr-lv { font-size: 10px; padding: 1px 5px; border-radius: 6px; flex: none;
  border: 1px solid var(--line); color: var(--cyan-soft); background: rgba(79, 216, 255, .07); }
.csr-empty { font-size: 12.5px; color: var(--text-faint); padding: 8px 2px; }
mark { background: rgba(79, 216, 255, .3); color: #eaf9ff; border-radius: 3px; padding: 0 1px; }

/* ---------- ★ 一级标签栏横向滚动 ---------- */
.scene-scroll { position: relative; display: flex; align-items: center; gap: 2px; }
.scene-bar {
  flex: 1; min-width: 0; display: flex; gap: 7px; overflow-x: auto; overflow-y: hidden;
  padding-bottom: 9px; scroll-behavior: smooth; scrollbar-width: thin;
  -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
  /* 拖拽滑动时禁止选中文字，否则拖一下会拉出一片蓝底选区 */
  cursor: grab;
}
.scene-bar.dragging { cursor: grabbing; scroll-behavior: auto; user-select: none; }
.scene-bar::-webkit-scrollbar { height: 5px; }
.scene-bar::-webkit-scrollbar-track { background: rgba(120, 200, 255, .05); border-radius: 3px; }
.scene-bar::-webkit-scrollbar-thumb { background: rgba(120, 200, 255, .26); border-radius: 3px; }
.scene-bar::-webkit-scrollbar-thumb:hover { background: rgba(120, 220, 255, .42); }
.scroll-arrow {
  flex: none; width: 24px; height: 30px; padding: 0; cursor: pointer; z-index: 2;
  border: 1px solid var(--line); border-radius: 8px; font-family: inherit;
  background: rgba(13, 20, 36, .92); color: var(--cyan-soft); font-size: 15px; line-height: 1;
  transition: .16s ease;
}
.scroll-arrow:hover:not(:disabled) { background: rgba(79, 216, 255, .18); border-color: var(--cyan); }
.scroll-arrow:disabled { opacity: .28; cursor: default; }

/* ---------- ★ 侧边全类目抽屉 ---------- */
.drawer-mask {
  position: fixed; inset: 0; z-index: 940; background: rgba(3, 6, 14, .72);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); animation: fade .16s ease;
}
.cat-drawer {
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 950; width: min(400px, 90vw);
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(13, 20, 36, .99), rgba(8, 12, 24, .99));
  border-right: 1px solid var(--line-strong); box-shadow: 22px 0 60px rgba(0, 0, 0, .6);
  animation: drawerIn .24s cubic-bezier(.2, 1, .35, 1);
}
@keyframes drawerIn { from { transform: translateX(-100%); opacity: .4 } to { transform: none; opacity: 1 } }
.cd-head {
  flex: none; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 15px; border-bottom: 1px solid var(--line);
}
.cd-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.cd-title .cd-ico { font-size: 19px; }
.cd-title b { display: block; font-size: 14.5px; color: #eaf4ff; font-weight: 600; }
.cd-title .cd-sub { display: block; font-size: 11px; color: var(--text-faint); }
.cd-close {
  flex: none; width: 28px; height: 28px; padding: 0; cursor: pointer; border-radius: 8px;
  border: 1px solid var(--line); background: transparent; color: var(--text-faint);
  font-family: inherit; font-size: 13px; line-height: 1;
}
.cd-close:hover { color: var(--red); border-color: rgba(255, 107, 125, .45);
  background: rgba(255, 107, 125, .1); }
.cd-search { flex: none; padding: 11px 15px; border-bottom: 1px solid rgba(120, 200, 255, .08); }
.cd-search-input { font-size: 13px; border-radius: 18px; padding-left: 13px; }
.cd-search-input::-webkit-search-cancel-button { display: none; }

.cd-body { flex: 1; overflow-y: auto; padding: 9px 10px 14px; -webkit-overflow-scrolling: touch; }
.cd-empty { padding: 34px 14px; text-align: center; color: var(--text-faint); font-size: 12.5px; }

/* 树节点 */
.ct-row {
  display: flex; align-items: center; gap: 7px; width: 100%;
  padding: 8px 9px; margin-bottom: 2px; cursor: pointer; text-align: left;
  border: 1px solid transparent; border-radius: 9px; background: transparent;
  font-family: inherit; color: var(--text); transition: .14s ease;
}
.ct-row:hover { background: rgba(79, 216, 255, .09); border-color: var(--line); }
.ct-row.on {
  background: linear-gradient(100deg, rgba(79, 216, 255, .2), rgba(169, 123, 255, .16));
  border-color: var(--line-strong); color: #eaf9ff;
}
.ct-ic { flex: none; font-size: 14px; width: 19px; text-align: center; }
.ct-nm { flex: 1; min-width: 0; font-size: 13px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.ct-badge { flex: none; font-size: 10px; color: var(--text-faint);
  border: 1px solid var(--line); border-radius: 7px; padding: 0 5px; }
.ct-toggle {
  flex: none; width: 17px; height: 17px; padding: 0; cursor: pointer; border: 0;
  background: transparent; color: var(--text-faint); font-family: inherit;
  font-size: 9px; line-height: 1; transition: transform .18s ease;
}
.ct-toggle:hover { color: var(--cyan); }
.ct-toggle.open { transform: rotate(90deg); color: var(--cyan); }
.ct-toggle.leaf { visibility: hidden; }
.ct-kids { margin-left: 15px; padding-left: 9px; border-left: 1px solid rgba(120, 200, 255, .13); }
.ct-kids.l3 { margin-left: 15px; }
.ct-row.lv2 { padding-left: 6px; }
.ct-row.lv2 .ct-nm, .ct-row.lv3 .ct-nm { font-size: 12.5px; color: var(--text-dim); }
.ct-row.lv2.on .ct-nm, .ct-row.lv3.on .ct-nm { color: #eaf9ff; }

/* 分页 */
.cd-pager {
  flex: none; display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px 14px; border-top: 1px solid var(--line); background: rgba(0, 0, 0, .2);
}
.cd-page-info { font-size: 11.5px; color: var(--text-dim); font-family: var(--mono); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .side { display: none; }
  .topnav { order: 3; width: 100%; overflow-x: auto; margin-left: 0; }
  .topbar { flex-wrap: wrap; gap: 9px; }
  .brand span { display: none; }
  .msg .bubble { max-width: 88%; }
  .welcome { padding-top: 26px; }
  .welcome h2 { font-size: 21px; }
}
@media (max-width: 560px) {
  /* ★ 需求：手机端展示「图标 + 简短文字」。
     旧版这里把 .nm 整个 display:none，只剩图标；现在保留文字并限宽截断，
     长名称用省略号，既不挤压变形也不丢失语义。 */
  .scene-chip .nm {
    display: inline-block; max-width: 4.6em; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom;
  }
  .scene-chip { padding: 7px 10px; }
  .scene-chip .ic { font-size: 14.5px; }
  .scene-select { display: block; }
  .msg-wrap { padding: 13px 10px 6px; }
  .composer-wrap { padding: 8px 10px 12px; }
  /* 手机端：搜索框占满宽度，滚动箭头收窄但保留可点区域 */
  .cat-search { max-width: none; }
  .scroll-arrow { width: 21px; height: 28px; }
  .scene-bar-wrap { padding: 9px 10px 0; }
  #catSearchResult { margin: 0 10px 8px; }
  .csr-item .csr-path { max-width: 42%; font-size: 10.5px; }
  /* 抽屉：手机端占满宽度，树节点字号与点击区略调 */
  .cat-drawer { width: 100vw; }
  .ct-nm { font-size: 13.5px; }
  .ct-row { padding: 10px 9px; }
}