/* chat：翠绿工作台骨架 —— 顶栏 + Hero + 三栏假窗口 + 2×2 栅格 + 对照表 + 信号卡 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: #e0f2f1;
  color: #263238;
  line-height: 1.7;
}

svg {
  display: block;
}

a {
  color: #004d40;
}

.top {
  background: #00796b;
  color: #fff;
}

.top-inner {
  width: min(1040px, calc(100% - 24px));
  margin: 0 auto;
  padding: 12px 0 10px;
}

.name {
  display: inline-block;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  margin-bottom: 8px;
}

.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.jump a {
  color: #e0f2f1;
  text-decoration: none;
  background: #004d40;
  padding: 4px 8px;
  font-size: 0.8rem;
}

.jump a:hover {
  background: #263238;
}

.page {
  width: min(1040px, calc(100% - 24px));
  margin: 0 auto;
  padding: 22px 0 44px;
}

.hero {
  background: #fff;
  padding: 20px 20px 10px;
}

.hero .date {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: #00796b;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  color: #004d40;
  line-height: 1.35;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
  color: #004d40;
}

.hero p,
.sec p {
  margin: 0 0 12px;
}

.mock {
  margin: 16px 0 8px;
  background: #263238;
  padding: 10px;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 4px 8px;
}

.mock-bar i {
  width: 8px;
  height: 8px;
  background: #80cbc4;
  border-radius: 50%;
}

.mock-panes {
  display: grid;
  grid-template-columns: 22% 48% 30%;
  min-height: 168px;
  background: #004d40;
}

.pane {
  padding: 10px;
  color: #e0f2f1;
  font-size: 0.75rem;
}

.pane + .pane {
  border-left: 1px solid #00796b;
}

.pane .row {
  height: 10px;
  background: #00796b;
  margin-bottom: 8px;
}

.pane .row.s {
  width: 62%;
}

.pane .row.m {
  width: 80%;
}

.bubble {
  max-width: 78%;
  padding: 8px;
  background: #00796b;
  margin-bottom: 8px;
}

.bubble.r {
  margin-left: auto;
  background: #263238;
}

.tile {
  height: 36px;
  background: #00796b;
  margin-bottom: 8px;
}

.caption {
  margin: 8px 0 0;
  font-size: 0.8rem;
  color: #004d40;
}

.sec {
  margin-top: 22px;
  background: #fff;
  padding: 20px 20px 10px;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0 8px;
}

.cell {
  border: 1px solid #b2dfdb;
  padding: 14px 14px 6px;
}

.cell .ico {
  width: 28px;
  height: 28px;
  margin-bottom: 8px;
}

.cell .ico svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: #00796b;
  stroke-width: 1.6;
}

.cell h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.tablebox {
  overflow-x: auto;
  margin: 12px 0 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  border: 1px solid #b2dfdb;
  padding: 9px 11px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #00796b;
  color: #fff;
}

.signals {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin: 12px 0 8px;
}

.sig {
  background: #e0f2f1;
  padding: 12px 12px 4px;
}

.sig h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 14px 0 8px;
  padding: 0;
  list-style: none;
}

.flow li {
  background: #004d40;
  color: #e0f2f1;
  padding: 12px 10px;
  font-size: 0.86rem;
}

.flow li:nth-child(even) {
  background: #00796b;
}

.flow b {
  display: block;
  margin-bottom: 4px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}

.faq-grid article {
  padding: 12px 0;
  border-top: 1px solid #b2dfdb;
}

.faq-grid h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.end {
  background: #263238;
  color: #e0f2f1;
  padding: 24px 0 32px;
  font-size: 0.9rem;
}

.end-in {
  width: min(1040px, calc(100% - 24px));
  margin: 0 auto;
}

.end h2,
.foot-k {
  color: #80cbc4;
  font-size: 0.98rem;
}

.end p {
  margin: 0 0 10px;
  max-width: 54em;
}

.fine {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #455a64;
  color: #80cbc4;
}

@media (max-width: 800px) {
  .mock-panes {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .pane + .pane {
    border-left: 0;
    border-top: 1px solid #00796b;
  }

  .grid2,
  .signals,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: 1fr 1fr;
  }
}