/* ---------- 赛小犀 AI 助手 ---------- */
.xr-topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.xr-topbar-inner { max-width: 960px; margin: 0 auto; padding: 13px 24px; }
.xr-back {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 9px; padding: 7px 14px;
  transition: color .18s, border-color .18s, background .18s, transform .1s;
}
.xr-back span { font-size: 14px; color: var(--muted); transition: color .18s; }
.xr-back:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-tint); }
.xr-back:hover span { color: var(--blue); }
.xr-back:active { transform: translateY(1px); }
.xr-back:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.xr-shell {
  max-width: 960px; margin: 0 auto; padding: 34px 24px 12px;
  background: radial-gradient(760px 300px at 50% -40px, rgba(45, 108, 223, .075), transparent 72%);
}
.xr-masthead {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  padding-bottom: 20px; border-bottom: 1px solid var(--line);
}
.xr-identity { display: flex; align-items: flex-start; gap: 16px; min-width: 0; }
.xr-avatar {
  flex: none; width: 34px; height: 34px; border-radius: 11px;
  background: linear-gradient(140deg, var(--ink) 0%, var(--ink-2) 55%, var(--blue) 100%);
  color: #fff; font-size: 15px; font-weight: 700;
  display: grid; place-items: center;
  box-shadow: 0 8px 18px -9px rgba(14, 42, 71, .55);
}
.xr-avatar-lg { width: 52px; height: 52px; border-radius: 16px; font-size: 22px; }
.xr-identity-text { min-width: 0; }
.xr-kicker {
  display: flex; align-items: center; gap: 7px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .14em; color: #8a97a6;
}
.xr-live {
  width: 6px; height: 6px; border-radius: 50%; background: #22a06b;
  box-shadow: 0 0 0 3px rgba(34, 160, 107, .14);
}
.xr-identity h1 { margin-top: 7px; font-size: 33px; font-weight: 700; color: var(--ink); line-height: 1.2; letter-spacing: -.015em; }
.xr-identity h1 span { color: var(--orange); }
.xr-identity-text p { margin-top: 6px; max-width: 36em; font-size: 14px; color: var(--muted); line-height: 1.7; }
.xr-head-actions { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 9px; padding-top: 4px; }
.xr-scope-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; color: #7a8898; background: var(--surface);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
}
.xr-scope-chip b { color: var(--ink-2); font-weight: 600; }
.xr-new {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  font-size: 12.5px; font-weight: 600; padding: 6px 15px; border-radius: 8px;
  transition: border-color .18s, background .18s, transform .1s;
}
.xr-new:hover { border-color: var(--blue); background: var(--blue-tint); }
.xr-new:active { transform: scale(.97); }
.xr-shell button:focus-visible, .xr-shell a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.xr-thread { display: flex; flex-direction: column; gap: 24px; min-height: 34vh; padding: 26px 0 4px; }

@keyframes xr-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes xr-bounce { 0%, 80%, 100% { transform: translateY(0); opacity: .35; } 40% { transform: translateY(-4px); opacity: 1; } }

.xr-welcome {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 28px 24px; box-shadow: var(--shadow);
  animation: xr-rise .4s ease both;
}
.xr-welcome::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--ink-2), var(--blue) 45%, var(--orange));
}
.xr-welcome-top { display: flex; align-items: flex-start; gap: 16px; }
.xr-welcome-top h2 { font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.xr-welcome-top p { margin-top: 6px; font-size: 13.8px; color: var(--muted); line-height: 1.8; }
.xr-caps {
  margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 13px; overflow: hidden;
}
.xr-cap { display: flex; flex-direction: column; gap: 3px; background: #fbfcfe; padding: 14px 16px; }
.xr-cap b { font-size: 13.5px; color: var(--ink-2); }
.xr-cap span { font-size: 12.5px; color: var(--muted); line-height: 1.65; }
.xr-starters { margin-top: 21px; }
.xr-starters-label { margin-bottom: 9px; font-size: 12px; font-weight: 600; color: var(--ink-2); letter-spacing: .02em; }
.xr-chips, .xr-suggests { display: flex; flex-wrap: wrap; gap: 8px; }
.xr-welcome-note {
  margin-top: 18px; padding-top: 13px; border-top: 1px dashed var(--line);
  font-size: 11.5px; color: #94a3b2; line-height: 1.7;
}
.xr-suggest {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  font-size: 12.5px; line-height: 1.4; padding: 7px 14px; border-radius: 999px;
  text-align: left; transition: border-color .18s, background .18s, color .18s, transform .1s;
}
.xr-suggest:hover { border-color: var(--blue); background: var(--blue-tint); color: var(--ink); }
.xr-suggest:active { transform: scale(.98); }

.xr-turn { animation: xr-rise .32s ease both; }
.xr-user { display: flex; justify-content: flex-end; }
.xr-user-bubble {
  max-width: 78%; padding: 12px 18px; border-radius: 16px 16px 5px 16px;
  background: linear-gradient(135deg, var(--ink-2), var(--ink)); color: #fff;
  font-size: 15px; line-height: 1.7; word-break: break-word; white-space: pre-wrap;
  box-shadow: 0 10px 22px -12px rgba(14, 42, 71, .6);
}
.xr-agent { display: flex; align-items: flex-start; gap: 12px; }
.xr-agent > .xr-avatar { margin-top: 3px; }
.xr-answer-card {
  flex: 1; min-width: 0; background: var(--surface); border: 1px solid var(--line);
  border-radius: 5px 18px 18px 18px; padding: 22px 24px; box-shadow: var(--shadow);
}
.xr-copyright {
  margin: 16px 0 0; padding-top: 12px; border-top: 1px dashed var(--line);
  font-size: 12px; line-height: 1.7; color: var(--muted);
}
.xr-loading-card {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 5px 16px 16px 16px; padding: 14px 18px; box-shadow: var(--shadow);
  font-size: 13.5px; color: var(--muted);
}
.xr-loading-label { color: var(--ink-2); font-weight: 600; }
.xr-dots { display: inline-flex; gap: 4px; }
.xr-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--blue); animation: xr-bounce 1.1s ease-in-out infinite; }
.xr-dots i:nth-child(2) { animation-delay: .14s; }
.xr-dots i:nth-child(3) { animation-delay: .28s; }
.xr-loading-sub { flex-basis: 100%; font-size: 11.5px; color: #94a3b2; letter-spacing: .03em; }

.xr-ans-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.xr-intent {
  font-size: 11.5px; font-weight: 600; color: #fff; background: var(--ink);
  border-radius: 999px; padding: 3px 12px; letter-spacing: .02em;
}
.xr-meta { font-size: 11.5px; color: var(--muted); background: #f1f4f8; border-radius: 999px; padding: 3px 10px; }
.xr-keywords { margin-top: 10px; font-size: 12px; color: #7a8898; line-height: 1.6; }
.xr-summary { margin-top: 13px; font-size: 15.5px; line-height: 1.85; color: var(--text); }

.xr-stats {
  margin-top: 18px; display: flex; flex-wrap: wrap; gap: 1px;
  background: #fbfcfe; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
}
.xr-stat { flex: 1 1 118px; display: flex; flex-direction: column; gap: 2px; background: #fbfcfe; box-shadow: 0 0 0 1px var(--line); padding: 13px 15px; }
.xr-stat span { font-size: 11.5px; color: var(--muted); }
.xr-stat strong { font-size: 23px; font-weight: 700; color: var(--ink); line-height: 1.15; letter-spacing: -.02em; }
.xr-stat small { font-size: 11px; color: #94a3b2; }
.xr-dist { margin-top: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px 15px; }
.xr-dist-head { margin-bottom: 9px; font-size: 12px; font-weight: 700; color: var(--ink-2); }
.xr-dist-row { display: grid; grid-template-columns: 96px 1fr 44px; align-items: center; gap: 12px; padding: 4px 0; font-size: 12.5px; color: var(--muted); }
.xr-dist-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xr-dist-bar { height: 7px; border-radius: 999px; background: #eef1f5; overflow: hidden; }
.xr-dist-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--ink-2)); }
.xr-dist-val { text-align: right; font-weight: 600; color: var(--ink); }

.xr-points { list-style: none; margin-top: 16px; }
.xr-points li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.xr-points li:last-child { border-bottom: none; padding-bottom: 0; }
.xr-point-no {
  flex: none; width: 26px; height: 26px; margin-top: 2px; border-radius: 8px;
  background: var(--blue-tint); color: var(--ink-2);
  font-size: 11.5px; font-weight: 700; display: grid; place-items: center;
}
.xr-points p { font-size: 14.3px; line-height: 1.8; color: var(--text); }
.xr-points b { color: var(--ink); }

.xr-advice {
  margin-top: 18px; display: flex; align-items: flex-start; gap: 13px;
  background: var(--orange-tint); border-left: 3px solid var(--orange);
  border-radius: 4px 12px 12px 4px; padding: 13px 16px;
}
.xr-advice span {
  flex: none; font-size: 11.5px; font-weight: 700; color: #a05a00;
  background: #fff; border-radius: 999px; padding: 3px 10px; margin-top: 1px;
}
.xr-advice p { font-size: 13.8px; line-height: 1.8; color: #6b4a12; }

.xr-section { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.xr-sec-head { display: flex; align-items: center; gap: 8px; margin-bottom: 11px; }
.xr-sec-head h3 { font-size: 14px; font-weight: 700; color: var(--ink); }
.xr-sec-head span { font-size: 11px; color: var(--muted); background: #eef1f5; border-radius: 999px; padding: 1px 8px; }
.xr-recs { display: flex; flex-direction: column; gap: 10px; }
.xr-rec {
  display: block; background: #fcfdfe; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; transition: border-color .18s, box-shadow .18s, transform .18s, background .18s;
}
.xr-rec:hover { background: #fff; border-color: #c6d5ea; box-shadow: var(--shadow); transform: translateY(-1px); }
.xr-rec-top { display: flex; align-items: flex-start; gap: 10px; }
.xr-tag {
  flex: none; max-width: 150px; margin-top: 3px; padding: 2px 8px;
  font-size: 11px; font-weight: 600; color: var(--ink-2); background: var(--blue-tint);
  border-radius: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.xr-rec h4 { flex: 1; min-width: 0; font-size: 14.2px; font-weight: 600; color: var(--ink); line-height: 1.55; }
.xr-go { flex: none; margin-top: 1px; font-size: 18px; line-height: 1; color: #b3bfcc; transition: color .18s, transform .18s; }
.xr-rec:hover .xr-go { color: var(--orange); transform: translateX(2px); }
.xr-rec p {
  margin-top: 7px; font-size: 12.8px; line-height: 1.75; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.xr-rec-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 14px; margin-top: 9px; font-size: 11.5px; color: #7a8898; }
.xr-status { font-size: 10.8px; font-weight: 600; padding: 1px 8px; border-radius: 999px; }
.xr-status.current { color: #1d7a4f; background: #e8f5ee; }
.xr-status.history { color: #8a5a1a; background: var(--orange-tint); }
.xr-provision {
  margin-top: 9px; padding: 8px 12px; border-left: 2px solid #c6d5ea;
  background: #f7f9fc; border-radius: 0 8px 8px 0;
  font-size: 12.3px; line-height: 1.75; color: var(--ink-2);
}
.xr-mini-list { list-style: none; margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: 7px; }
.xr-mini-list li { font-size: 12.3px; line-height: 1.65; color: var(--text); }
.xr-mini-list b { font-weight: 600; color: var(--ink); }
.xr-mini-list span { display: block; font-size: 11.8px; color: var(--muted); }
.xr-mini-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.xr-mini-chip { font-size: 11.3px; color: var(--ink-2); background: #eef3fa; border-radius: 999px; padding: 2px 9px; }
.xr-notice { margin-top: 18px; padding-top: 13px; border-top: 1px solid var(--line); font-size: 11.3px; line-height: 1.7; color: #94a3b2; }
.xr-suggests { margin-top: 13px; }

.xr-composer-wrap {
  position: sticky; bottom: 0; z-index: 20;
  margin-top: 6px; padding: 34px 0 14px;
  background: linear-gradient(180deg, rgba(247, 248, 250, 0) 0, var(--bg) 26%, var(--bg) 100%);
}
.xr-composer {
  display: flex; align-items: flex-end; gap: 10px;
  background: var(--surface); border: 1px solid #cfd9e6; border-radius: 16px;
  padding: 10px 10px 10px 18px;
  box-shadow: 0 10px 30px -14px rgba(14, 42, 71, .22), 0 1px 2px rgba(14, 42, 71, .04);
  transition: border-color .2s, box-shadow .2s;
}
.xr-composer:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-tint), 0 14px 34px -16px rgba(45, 108, 223, .35);
}
.xr-composer textarea {
  flex: 1; min-width: 0; max-height: 132px; padding: 7px 0;
  border: none; outline: none; resize: none; background: transparent;
  font: inherit; font-size: 15px; line-height: 1.65; color: var(--text);
}
.xr-composer textarea::placeholder { color: #94a3b2; }
.xr-composer button {
  flex: none; border: none; background: var(--ink-2); color: #fff;
  font-size: 14px; font-weight: 600; padding: 10px 24px; border-radius: 10px;
  transition: background .2s, transform .1s, opacity .2s;
}
.xr-composer button:hover { background: var(--ink); }
.xr-composer button:active { transform: scale(.98); }
.xr-composer button:disabled { opacity: .55; cursor: default; transform: none; }
.xr-composer-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 6px 0; font-size: 11.3px; color: #94a3b2; }
.xr-hint { line-height: 1.6; }

.xr-error-card { flex: 1; min-width: 0; background: var(--red-tint); border: 1px solid #f0d2d3; border-radius: 5px 16px 16px 16px; padding: 16px 18px; }
.xr-error-card b { font-size: 13.8px; color: var(--red); }
.xr-error-card p { margin-top: 6px; font-size: 12.8px; line-height: 1.7; color: #7d4043; }
.xr-error-actions { display: flex; gap: 8px; margin-top: 12px; }
.xr-retry { border: none; background: var(--red); color: #fff; font-size: 12.3px; padding: 7px 16px; border-radius: 8px; }
.xr-retry:hover { background: #a92c31; }
.xr-quiet { border: 1px solid #e2b9bb; background: #fff; color: var(--red); font-size: 12.3px; padding: 7px 16px; border-radius: 8px; }
.xr-quiet:hover { background: #fff6f6; }

@media (max-width: 760px) {
  .xr-topbar-inner { padding: 10px 16px; }
  .xr-back { padding: 6px 12px; font-size: 12.5px; }
  .xr-shell { padding: 22px 16px 8px; }
  .xr-masthead { flex-direction: column; align-items: flex-start; gap: 15px; padding-bottom: 16px; }
  .xr-identity { gap: 12px; }
  .xr-avatar-lg { width: 44px; height: 44px; border-radius: 14px; font-size: 19px; }
  .xr-identity h1 { font-size: 26px; }
  .xr-identity-text p { font-size: 13.2px; }
  .xr-head-actions { width: 100%; flex-direction: row; align-items: center; justify-content: space-between; padding-top: 0; }
  .xr-welcome { margin-top: 0; padding: 20px 17px; border-radius: 15px; }
  .xr-welcome-top { gap: 12px; }
  .xr-welcome-top h2 { font-size: 18.5px; }
  .xr-caps { grid-template-columns: 1fr; }
  .xr-thread { gap: 20px; padding-top: 22px; }
  .xr-agent { gap: 9px; }
  .xr-agent > .xr-avatar { width: 28px; height: 28px; border-radius: 9px; font-size: 13px; }
  .xr-user-bubble { max-width: 88%; font-size: 14.3px; padding: 11px 15px; }
  .xr-answer-card { padding: 17px 15px; border-radius: 5px 15px 15px 15px; }
  .xr-summary { font-size: 14.3px; }
  .xr-stat strong { font-size: 21px; }
  .xr-points p { font-size: 13.8px; }
  .xr-advice { flex-direction: column; gap: 8px; }
  .xr-dist-row { grid-template-columns: 76px 1fr 40px; gap: 8px; }
  .xr-composer { padding: 8px 8px 8px 14px; border-radius: 14px; }
  .xr-composer button { padding: 10px 18px; }
  .xr-composer-foot { flex-direction: column; align-items: flex-start; gap: 2px; }
}
@media (max-width: 420px) {
  .xr-identity h1 { font-size: 23px; }
  .xr-stat { flex-basis: 96px; padding: 11px 10px; }
  .xr-tag { max-width: 96px; }
  .xr-rec { padding: 12px 13px; }
  .xr-rec h4 { font-size: 13.6px; }
}
@media (prefers-reduced-motion: reduce) {
  .xr-welcome, .xr-turn { animation: none; }
  .xr-dots i { animation: none; opacity: .6; }
}