/* =====================================================================
   蓝影演示系统 · 控制台设计系统
   外层沿用官网导航栏/页脚，内核是产品控制台风格。
   配色沿用官网品牌蓝（#1677ff 系），与 tools/ 页面保持同一套语义。
   ===================================================================== */

:root {
  --blue: #1677ff;
  --blue2: #0057ff;
  --cyan: #15c6ff;
  --purple: #7c3aed;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  --ink: #10203f;
  --ink2: #334155;
  --muted: #64748b;
  --muted2: #8ba0bb;
  --bg: #f4f8ff;
  --card: #ffffff;
  --line: #dbeafe;
  --line2: #eaf2ff;
  --soft: #f7fbff;
  --shadow: 0 18px 55px rgba(33, 91, 190, .12);
  --shadow-sm: 0 8px 24px rgba(32, 96, 180, .08);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 55%, #f8fbff 100%);
  padding-top: 70px; /* 让开官网固定导航栏 */
}

a { color: inherit; text-decoration: none; }

/* ---------------------------- 页面头部 ---------------------------- */
.demo-head {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 30%, rgba(22, 119, 255, .16), transparent 24%),
    linear-gradient(105deg, #fff 0%, #f2f8ff 44%, #eaf3ff 100%);
}

.demo-head-in {
  max-width: 1320px;
  margin: 0 auto;
  padding: 26px 26px 0;
}

.crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.crumb a:hover { color: var(--blue); }

.demo-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.demo-head h1 {
  margin: 0 0 8px;
  font-size: 27px;
  letter-spacing: -.02em;
}

.demo-head .sub {
  margin: 0;
  max-width: 760px;
  color: #52647f;
  font-size: 14px;
  line-height: 1.75;
}

.demo-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid #ffe0a3;
  border-radius: 999px;
  background: #fffaf0;
  color: #a16207;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}
.demo-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

/* 标签页 */
.tabs {
  display: flex;
  gap: 4px;
  margin-top: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 0 0 auto;
  padding: 11px 17px 13px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #52647f;
  font-size: 14px;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: .2s;
}
.tab:hover { color: var(--blue); }
.tab.on {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ---------------------------- 控制台外框 ---------------------------- */
.demo-body {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 26px 60px;
}

.console {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr) 288px;
  gap: 0;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: var(--shadow);
}
/* narrow：主内容自适应 + 右侧窄栏（日志、流程图、工单列表这些主区要占满宽度） */
.console.narrow { grid-template-columns: minmax(0, 1fr) 300px; }
.console.wide { grid-template-columns: minmax(0, 1fr) 300px; }
.console.single { grid-template-columns: minmax(0, 1fr); }

.col {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.col + .col { border-left: 1px solid var(--line); }
.col-side { background: var(--soft); }

.panel-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 0 0 auto;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 900;
  color: #25405f;
}
.panel-hd .hint {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted2);
}
.panel-bd {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 14px 16px;
}
.panel-bd.tight { padding: 8px; }
.panel-bd.scroll-y { max-height: 560px; }

/* ---------------------------- 侧边列表 ---------------------------- */
.side-list { display: grid; gap: 6px; }

.side-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: .18s;
}
.side-item:hover { background: #fff; border-color: var(--line); }
.side-item.on {
  background: #fff;
  border-color: #b7d5ff;
  box-shadow: var(--shadow-sm);
}

.avatar {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, #eaf3ff, #d8eaff);
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}
.side-item.on .avatar {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: #fff;
}

.side-main { min-width: 0; flex: 1 1 auto; }
.side-main b {
  display: block;
  font-size: 13.5px;
  margin-bottom: 3px;
}
.side-main span {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--green);
}
.dot.amber { background: var(--amber); }
.dot.red { background: var(--red); }
.dot.gray { background: #cbd5e1; }

.badge-unread {
  flex: 0 0 auto;
  min-width: 19px;
  height: 19px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
}

.tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--soft);
  border: 1px solid var(--line);
  color: #52647f;
  font-size: 11px;
  font-weight: 800;
}
.tag.blue { background: #eef6ff; border-color: #cfe4ff; color: var(--blue); }
.tag.green { background: #ecfdf5; border-color: #a7f3d0; color: #047857; }
.tag.amber { background: #fffbeb; border-color: #fde68a; color: #b45309; }
.tag.red { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }

/* ---------------------------- 按钮 ---------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 18px;
  border: 0;
  border-radius: 11px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 900;
  cursor: pointer;
  transition: .18s;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-main {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: #fff;
  box-shadow: 0 10px 22px rgba(22, 119, 255, .24);
}
.btn-main:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 14px 28px rgba(22, 119, 255, .3); }

.btn-ghost {
  background: #fff;
  border: 1px solid var(--line);
  color: #52647f;
}
.btn-ghost:not(:disabled):hover { border-color: #b7d5ff; color: var(--blue); }

.btn-sm { padding: 7px 13px; font-size: 12.5px; border-radius: 9px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }

/* ---------------------------- 输入 ---------------------------- */
.field {
  display: flex;
  gap: 9px;
  align-items: stretch;
}
.input, .textarea {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 13.5px;
  outline: none;
  transition: .18s;
}
.textarea { resize: vertical; min-height: 74px; line-height: 1.65; }
.input:focus, .textarea:focus {
  border-color: #9ec6ff;
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .1);
}
.input::placeholder, .textarea::placeholder { color: #a8b8cc; }

/* ---------------------------- 推荐问题芯片 ---------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #3d5674;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: .18s;
}
.chip:hover {
  border-color: #b7d5ff;
  background: #f5faff;
  color: var(--blue);
  transform: translateY(-1px);
}

/* ---------------------------- 对话 ---------------------------- */
.chat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 2px 10px;
}

.msg { display: flex; gap: 10px; max-width: 88%; }
.msg.from-customer { align-self: flex-start; }
.msg.from-agent { align-self: flex-end; flex-direction: row-reverse; }

.msg-av {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 900;
}
.from-customer .msg-av { background: #eef2f7; color: #52647f; }
.from-agent .msg-av {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
}

.bubble {
  padding: 11px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.78;
  white-space: pre-wrap;
  word-break: break-word;
}
.from-customer .bubble {
  background: #f4f7fb;
  border: 1px solid #e6edf6;
  border-top-left-radius: 5px;
}
.from-agent .bubble {
  background: #eef6ff;
  border: 1px solid #d5e8ff;
  border-top-right-radius: 5px;
}

.typing { display: inline-flex; gap: 4px; align-items: center; height: 18px; }
.typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  opacity: .45;
  animation: blink 1.15s infinite;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink {
  0%, 60%, 100% { opacity: .28; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.caret {
  display: inline-block;
  width: 7px;
  height: 14px;
  margin-left: 2px;
  vertical-align: -2px;
  background: var(--blue);
  animation: caret .9s steps(2) infinite;
}
@keyframes caret { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* ---------------------------- 推理链 / 日志 ---------------------------- */
.trace { display: grid; gap: 9px; }

.trace-line {
  display: flex;
  gap: 11px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 12px;
  background: #fff;
  font-size: 13px;
  line-height: 1.72;
  animation: fadeUp .32s ease-out;
}
.trace-line.k-tool {
  border-left-color: var(--cyan);
  background: #f8fdff;
}
.trace-line.k-result {
  border-left-color: var(--green);
  background: #f6fefa;
}
.trace-line.k-think { border-left-color: #c7b3ff; }

.trace-k {
  flex: 0 0 auto;
  width: 46px;
  padding-top: 1px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}
.k-tool .trace-k { color: #0891b2; }
.k-result .trace-k { color: #047857; }
.k-think .trace-k { color: #7c3aed; }
.trace-v { flex: 1 1 auto; min-width: 0; color: var(--ink2); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 终端式日志 */
.log {
  margin: 0;
  padding: 13px 15px;
  border: 1px solid #16324f;
  border-radius: 13px;
  background: #0c1c2e;
  color: #b9d4ea;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.82;
  max-height: 330px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.log .t { color: #5f88a8; }
.log .ok { color: #6ee7b7; }
.log .run { color: #7dd3fc; }
.log .warn { color: #fcd34d; }
.log .sys { color: #c4b5fd; }

/* ---------------------------- 流程节点 ---------------------------- */
.flow {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 22px 6px;
  overflow-x: auto;
}
.flow-node {
  flex: 0 0 auto;
  width: 126px;
  padding: 13px 11px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: #fff;
  text-align: center;
  cursor: pointer;
  transition: .22s;
  position: relative;
}
.flow-node:hover { border-color: #b7d5ff; }
.flow-node.on { box-shadow: 0 0 0 3px rgba(22, 119, 255, .16); border-color: var(--blue); }
.flow-node.run {
  border-color: var(--blue);
  background: #f2f8ff;
  box-shadow: 0 0 0 4px rgba(22, 119, 255, .14);
}
.flow-node.done {
  border-color: #a7f3d0;
  background: #f6fefa;
}
.flow-node .fn-icon {
  width: 30px;
  height: 30px;
  margin: 0 auto 7px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #eef6ff;
  font-size: 14px;
}
.flow-node.run .fn-icon { background: var(--blue); color: #fff; }
.flow-node.done .fn-icon { background: #d1fae5; }
.flow-node b { display: block; font-size: 12.5px; margin-bottom: 3px; }
.flow-node small { font-size: 10.5px; color: var(--muted); }

.flow-arrow {
  flex: 0 0 auto;
  width: 26px;
  height: 2px;
  background: var(--line);
  position: relative;
}
.flow-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  border-left: 6px solid var(--line);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.flow-arrow.done { background: #6ee7b7; }
.flow-arrow.done::after { border-left-color: #6ee7b7; }

/* ---------------------------- 指标卡 ---------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(126px, 1fr));
  gap: 11px;
}
.kpi {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.kpi b {
  display: block;
  font-size: 23px;
  line-height: 1.15;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}
.kpi small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 700;
}
.kpi.green b { color: #059669; }
.kpi.amber b { color: #b45309; }
.kpi.purple b { color: #6d28d9; }

/* ---------------------------- 检索结果卡 ---------------------------- */
.hit {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  transition: .18s;
}
.hit:hover { border-color: #b7d5ff; box-shadow: var(--shadow-sm); }
.hit.on { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22, 119, 255, .12); }

.hit-top {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 8px;
}
.hit-n {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
}
.hit-top b {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hit-pct {
  flex: 0 0 auto;
  color: var(--blue);
  font-size: 11.5px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.bar {
  height: 4px;
  margin-bottom: 9px;
  border-radius: 99px;
  background: #e8f1ff;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width .5s ease;
}

.hit-txt {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.hit-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 引用角标 */
.cite {
  display: inline-block;
  min-width: 17px;
  margin: 0 1px;
  padding: 0 4px;
  border-radius: 5px;
  background: #eef6ff;
  border: 1px solid #cfe4ff;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  text-align: center;
  cursor: pointer;
  vertical-align: 1px;
}
.cite:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ---------------------------- 文档树 ---------------------------- */
.tree { display: grid; gap: 2px; }
.tree-cat {
  padding: 9px 11px 7px;
  color: #7d90a8;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .04em;
}
.tree-doc {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border-radius: 10px;
  font-size: 12.5px;
  color: var(--ink2);
  transition: .16s;
}
.tree-doc:hover { background: #fff; }
.tree-doc .ic { flex: 0 0 auto; opacity: .75; }
.tree-doc .nm {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-doc .ct {
  flex: 0 0 auto;
  color: var(--muted2);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* ---------------------------- 空态与提示 ---------------------------- */
.empty {
  padding: 34px 18px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.empty .big { font-size: 30px; margin-bottom: 10px; opacity: .55; }

.note {
  margin-top: 11px;
  padding: 10px 12px;
  border: 1px dashed var(--line);
  border-radius: 11px;
  background: #fbfdff;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

/* 降级提示（模型不可用时的兜底） */
.degraded {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 12px;
  border: 1px solid #fde68a;
  border-radius: 10px;
  background: #fffbeb;
  color: #b45309;
  font-size: 12px;
  font-weight: 700;
}

/* ---------------------------- 密码门 ---------------------------- */
.lock {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(160deg, #eef5ff 0%, #f7fbff 60%, #ffffff 100%);
}
.lock[hidden] { display: none; }

.lock-card {
  width: 100%;
  max-width: 402px;
  padding: 34px 30px 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 30px 70px rgba(33, 91, 190, .16);
  text-align: center;
}
.lock-mark {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(22, 119, 255, .28);
}
.lock-card h2 { margin: 0 0 8px; font-size: 20px; }
.lock-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.72;
}
.lock-card .input { width: 100%; text-align: center; letter-spacing: .12em; }
.lock-card .btn { width: 100%; margin-top: 12px; }
.lock-err {
  margin-top: 11px;
  color: var(--red);
  font-size: 12.5px;
  font-weight: 700;
  min-height: 17px;
}
.lock-foot {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--line2);
  color: var(--muted2);
  font-size: 11.5px;
  line-height: 1.7;
}

/* 全局加载遮罩（数据拉取中） */
.boot {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: grid;
  place-items: center;
  background: rgba(244, 248, 255, .82);
  backdrop-filter: blur(3px);
}
.boot[hidden] { display: none; }
.spin {
  width: 30px;
  height: 30px;
  border: 3px solid #d8e7ff;
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------- 门户页 ---------------------------- */
.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 20px;
}
.portal-card {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: .24s;
}
.portal-card:hover {
  transform: translateY(-4px);
  border-color: #b7d5ff;
  box-shadow: 0 22px 52px rgba(22, 119, 255, .16);
}
.portal-ic {
  width: 48px;
  height: 48px;
  margin-bottom: 15px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, #eaf3ff, #d8eaff);
  font-size: 22px;
}
.portal-card h3 { margin: 0 0 9px; font-size: 17.5px; }
.portal-card p {
  flex: 1 1 auto;
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.78;
}
.portal-feat {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 17px;
}
.portal-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 13.5px;
  font-weight: 900;
}
.portal-card:hover .portal-go { gap: 10px; }

.sec-title {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 18px;
  font-size: 19px;
}
.sec-title .ic {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 8px 18px rgba(22, 119, 255, .22);
}

/* ---------------------------- 行业案例切换 ---------------------------- */
.case-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--shadow-sm);
}

.case-label {
  flex: 0 0 auto;
  color: #25405f;
  font-size: 13px;
  font-weight: 900;
}

.seg {
  flex: 0 0 auto;
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--soft);
}

.seg button {
  padding: 8px 17px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #52647f;
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: .2s;
}

.seg button:hover { color: var(--blue); }

.seg button.on {
  background: #fff;
  color: var(--blue);
  box-shadow: 0 4px 12px rgba(22, 119, 255, .18);
}

.case-desc {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ---------------------------- 场景库 ---------------------------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.scene-card {
  display: flex;
  flex-direction: column;
  padding: 16px 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  transition: .22s;
}

.scene-card:hover {
  border-color: #b7d5ff;
  box-shadow: 0 14px 34px rgba(22, 119, 255, .13);
  transform: translateY(-2px);
}

.scene-top {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}

.scene-num {
  flex: 0 0 auto;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  font-size: 11.5px;
  font-weight: 900;
}

.scene-top b {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
}

.scene-quote {
  margin-bottom: 11px;
  padding: 10px 13px;
  border-left: 3px solid #cfe4ff;
  border-radius: 0 10px 10px 0;
  background: var(--soft);
  color: #3d5674;
  font-size: 12.5px;
  line-height: 1.7;
}

.scene-cust {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
  color: var(--muted2);
  font-size: 11.5px;
  font-weight: 800;
}

.scene-cust b {
  color: #25405f;
  font-size: 12.5px;
}

.scene-points {
  flex: 1 1 auto;
  margin: 0 0 13px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
}

.scene-points li {
  position: relative;
  padding-left: 15px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.62;
}

.scene-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------------------------- 响应式 ---------------------------- */
@media (max-width: 1120px) {
  .console, .console.narrow, .console.wide { grid-template-columns: 240px minmax(0, 1fr); }
  .console > .col:last-child { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 860px) {
  .demo-body { padding: 18px 16px 46px; }
  .demo-head-in { padding: 20px 16px 0; }
  .demo-head h1 { font-size: 22px; }
  .console, .console.narrow, .console.wide, .console.single { grid-template-columns: minmax(0, 1fr); }
  .console > .col + .col { border-left: 0; border-top: 1px solid var(--line); }
  .panel-bd.scroll-y { max-height: none; }
  .msg { max-width: 96%; }
  .flow { padding: 16px 2px; }
  .flow-node { width: 108px; }
  .portal-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-node { width: 96px; padding: 11px 8px; }
  .flow-arrow { width: 16px; }
  .field { flex-direction: column; }
  .field .btn { width: 100%; }
}