:root {
  --ink: #193e3d;
  --muted: #627c74;
  --green: #087e73;
  --dark: #103b39;
  --paper: #f5f7f2;
  --line: #d9e3d9;
  --mint: #e7f1e8;
  --amber: #8c5d21;
  --white: #fff;
  --radius: 16px;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    14px/1.65 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}
button,
input,
textarea,
select {
  font: inherit;
}
button,
a,
select {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
a {
  color: var(--green);
  text-decoration: none;
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid #82b8a5;
  outline-offset: 3px;
}
button {
  border: 0;
  background: none;
  color: inherit;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h2 {
  font-size: 23px;
  line-height: 1.45;
}
h3 {
  font-size: 16px;
  margin-bottom: 8px;
}
.site-header {
  padding: 22px max(28px, calc((100vw - 1500px) / 2));
  display: flex;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.brand {
  font-size: 34px;
  font-weight: 850;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--dark);
}
.brand span {
  color: var(--green);
}
.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 1.6px;
  font-weight: 500;
  margin-top: 10px;
}
.demo-label {
  letter-spacing: 1.6px;
  font-size: 11px;
  color: var(--muted);
}
.demo-label span {
  border-left: 1px solid var(--line);
  margin-left: 14px;
  padding-left: 14px;
  letter-spacing: 0;
}
.site-header > .button {
  margin-left: auto;
}
main {
  max-width: 1556px;
  margin: auto;
  padding: 0 28px;
}
.intro {
  padding: 48px 0 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 65px;
  align-items: center;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 16px;
}
h1 {
  font-size: clamp(34px, 3.3vw, 50px);
  line-height: 1.3;
  letter-spacing: -1px;
  margin-bottom: 18px;
  font-weight: 650;
}
.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 15px;
}
.tags {
  display: flex;
  gap: 8px;
}
.tags span,
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 3px 11px;
  font-size: 11px;
  background: #fff;
}
.intro-note {
  background: #e9f0e6;
  border-radius: var(--radius);
  padding: 28px 32px;
  position: relative;
  border: 1px solid #d9e4d3;
}
.intro-note h2 {
  margin: 8px 0 10px;
  font-size: 23px;
}
.intro-note p {
  color: #516b5c;
  max-width: 400px;
}
.spark {
  font-size: 32px;
  color: var(--green);
  line-height: 1;
}
.engine {
  font-size: 11px;
  border-top: 1px solid #cbd9c7;
  padding-top: 12px;
  color: #546d5d;
}
.engine strong {
  font-weight: 600;
}
.privacy {
  font-size: 12px;
  background: #f1eee5;
  border: 1px solid #e5dfcf;
  border-radius: 10px;
  padding: 12px 16px;
  color: #746344;
}
.link {
  padding: 0;
  color: var(--green);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 8px;
}
.workspace-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 30px 0 22px;
  gap: 15px;
  border-bottom: 1px solid var(--line);
}
nav {
  display: flex;
  gap: 24px;
}
nav button {
  padding: 12px 0 16px;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
nav button.active {
  color: var(--green);
  font-weight: 650;
  border-color: var(--green);
}
nav span {
  font-size: 10px;
  background: var(--mint);
  border-radius: 8px;
  padding: 2px 5px;
}
#session-info {
  font-size: 11px;
  color: var(--muted);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 600;
}
.primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.outline {
  background: transparent;
}
.danger {
  color: #a84235;
}
.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0 30px;
}
.scenario-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.scenario-number {
  font-size: 34px;
  line-height: 1;
  color: #bdcec1;
  margin: 12px 0 22px;
}
.scenario-card h3 {
  font-size: 19px;
  max-width: 225px;
}
.scenario-card p {
  color: var(--muted);
  font-size: 13px;
  flex: 1;
}
.scenario-card .button {
  margin-top: 12px;
}
.stage-title {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.stage-title h2 {
  margin: 0;
  font-size: 24px;
}
.stage-title p {
  color: var(--muted);
  margin: 5px 0 0;
}
.workspace {
  display: grid;
  grid-template-columns: 210px minmax(250px, 1fr) minmax(330px, 1.15fr);
  gap: 18px;
  align-items: start;
}
.scenario-side {
  background: var(--dark);
  color: #dce7de;
  padding: 21px 17px;
  border-radius: var(--radius);
}
.scenario-side .eyebrow {
  color: #a6ceab;
  letter-spacing: 1.4px;
}
.scenario-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 13px 11px;
  border-radius: 9px;
  margin-bottom: 8px;
  color: #b5ccc0;
  font-size: 12px;
  border: 1px solid transparent;
}
.scenario-option.active {
  background: #25534c;
  border-color: #4f7863;
  color: #fff;
}
.scenario-option small {
  display: block;
  font-size: 10px;
  margin-top: 3px;
  opacity: 0.7;
}
.side-note {
  border-top: 1px solid #31574c;
  padding-top: 17px;
  margin-top: 20px;
  font-size: 11px;
  color: #a4c1ae;
}
.side-note p {
  margin-bottom: 10px;
}
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}
.panel-head {
  padding: 17px 21px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-head h3 {
  margin: 0;
}
.panel-head small {
  color: var(--muted);
  font-size: 10px;
}
.conversation {
  padding: 20px;
  max-height: 470px;
  overflow-y: auto;
  min-height: 240px;
}
.turn {
  margin-bottom: 18px;
}
.turn-meta {
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 5px;
}
.bubble {
  border: 1px solid #e3e9e2;
  background: #f7f8f4;
  border-radius: 0 12px 12px;
  padding: 14px;
  font-size: 13px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.turn.agent .bubble {
  background: #eaf4ee;
  border-color: #d5e8dd;
  border-radius: 12px 0 12px 12px;
}
.turn.agent {
  margin-left: 22px;
}
.message-form {
  border-top: 1px solid var(--line);
  padding: 17px;
}
.message-form textarea {
  min-height: 95px;
}
.field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
  min-width: 0;
}
.message-form label,
form label {
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
}
.message-form .actions {
  justify-content: space-between;
}
.muted {
  color: var(--muted);
  font-size: 12px;
}
.message-form small {
  font-size: 10px;
  color: var(--muted);
}
.prompt-list {
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  background: #fafbf8;
}
.prompt-list p {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}
.prompt {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 11px;
  color: var(--green);
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.prompt:last-child {
  border: 0;
}
.recommendation {
  padding: 21px;
}
.recommendation .eyebrow {
  margin-bottom: 7px;
  font-size: 9px;
  letter-spacing: 1px;
}
.recommendation h3 {
  font-size: 17px;
}
.goal {
  font-size: 13px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 17px;
}
.reply-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}
.reply-label label {
  font-size: 12px;
  font-weight: 600;
}
.reply-label small {
  margin-left: auto;
  font-size: 10px;
  color: var(--muted);
}
#reply-text {
  min-height: 140px;
  background: #f4f8f3;
  font-size: 13px;
  line-height: 1.8;
}
.recommendation .actions {
  margin-top: 12px;
}
.status-tags {
  display: flex;
  gap: 7px;
  margin: 10px 0;
}
.status-tags .pill {
  font-size: 10px;
  color: var(--muted);
}
.status-tags .done {
  background: #e7f1e8;
  color: var(--green);
  border-color: #b7d1bf;
}
.confirm-line {
  font-size: 11px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 15px 0 8px;
  color: var(--muted);
}
input[type="checkbox"] {
  margin-top: 4px;
}
.guidance {
  background: #f6f7f1;
  border-radius: 10px;
  padding: 13px 15px;
  margin: 18px 0;
}
.guidance p {
  font-size: 12px;
  margin: 4px 0 12px;
}
.guidance p:last-child {
  margin-bottom: 0;
}
.guidance strong {
  font-size: 11px;
  color: var(--green);
}
details {
  font-size: 12px;
  border-top: 1px solid var(--line);
  padding: 14px 0 0;
  margin-top: 14px;
}
summary {
  cursor: pointer;
  font-weight: 600;
}
details p {
  margin: 12px 0 5px;
}
.quote {
  border-left: 3px solid #b8cbb6;
  padding-left: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.boundary {
  font-size: 11px;
  color: var(--amber);
  background: #faf4e8;
  padding: 10px 12px;
  border-radius: 8px;
  margin-top: 15px;
}
.evidence-link {
  display: block;
  font-size: 11px;
  color: var(--green);
  text-align: left;
  padding: 8px 0;
}
.journey {
  padding: 20px 24px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.journey span {
  font-size: 10px;
  color: var(--green);
}
.journey strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}
.journey p {
  font-size: 11px;
  color: var(--muted);
  margin: 3px 0 0;
}
.task-list {
  margin: 20px 0;
}
.task-item {
  padding: 14px 18px;
  display: flex;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.task-item:last-child {
  border: 0;
}
.task-item div {
  flex: 1;
}
.task-item strong {
  font-size: 12px;
}
.task-item p {
  font-size: 11px;
  color: var(--muted);
  margin: 3px 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 22px;
}
.section-head h2 {
  margin: 0;
}
.section-head .eyebrow {
  margin-bottom: 7px;
}
.section-head > p {
  font-size: 12px;
  color: var(--muted);
}
.search {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.search input {
  flex: 1;
  min-width: 0;
}
.search input,
.search select {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.search label {
  margin: 0;
  white-space: nowrap;
}
#knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 17px;
}
.knowledge-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 21px;
  display: flex;
  flex-direction: column;
}
.knowledge-card h3 {
  font-size: 16px;
  margin-top: 12px;
}
.knowledge-card > p {
  font-size: 12px;
  color: var(--muted);
  flex: 1;
}
.knowledge-card small {
  color: var(--muted);
  font-size: 10px;
}
.knowledge-card .button {
  align-self: flex-start;
  margin-top: 15px;
}
.review-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 22px;
}
.review-panel {
  padding: 24px;
}
.review-panel p {
  color: var(--muted);
  font-size: 13px;
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 23px 0;
}
.metric-grid div {
  background: #f0f4ec;
  padding: 15px;
  border-radius: 10px;
  font-size: 11px;
}
.metric-grid strong {
  display: block;
  font-size: 27px;
  line-height: 1.3;
  font-weight: 650;
}
.review-note {
  background: #f8f2e7;
  font-size: 12px;
  padding: 13px;
  border-radius: 10px;
  color: var(--amber);
  margin: 18px 0;
}
.feedback-form label {
  margin-top: 14px;
}
.feedback-form textarea {
  min-height: 110px;
}
.outcome-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.outcome-item p {
  margin-bottom: 0;
}
.empty {
  background: #fff;
  border: 1px dashed #bdcfc0;
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--muted);
}
footer {
  margin-top: 38px;
  padding: 25px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 10px;
  color: var(--muted);
}
footer strong {
  color: var(--ink);
  font-weight: 600;
}
dialog {
  border: 1px solid var(--line);
  border-radius: 17px;
  max-width: 650px;
  width: calc(100% - 32px);
  padding: 27px;
  color: var(--ink);
  max-height: 85vh;
}
dialog::backdrop {
  background: #103b3970;
}
dialog p {
  font-size: 13px;
}
dialog h2 {
  font-size: 22px;
}
dialog .actions {
  margin-top: 20px;
}
dialog label {
  margin-top: 13px;
}
dialog textarea {
  min-height: 90px;
}
.dialog-close {
  float: right;
  font-size: 22px;
  line-height: 1;
}
.source-origin {
  font-size: 11px;
  color: var(--muted);
  background: #f2f5ee;
  padding: 14px;
  border-radius: 10px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
#error {
  background: #fbece8;
  border: 1px solid #e8bcb1;
  border-radius: 9px;
  padding: 13px 17px;
  color: #a14131;
  margin-bottom: 18px;
}
#toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  background: var(--dark);
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 30px #103b3930;
  z-index: 10;
  max-width: 90vw;
  font-size: 12px;
}
@media (min-width: 1600px) {
  .conversation {
    max-height: 600px;
  }
}
@media (max-width: 1150px) {
  .workspace {
    grid-template-columns: minmax(250px, 1fr) minmax(310px, 1.1fr);
  }
  .scenario-side {
    grid-column: 1/-1;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px;
  }
  .scenario-side .eyebrow,
  .side-note {
    display: none;
  }
  .scenario-option {
    margin: 0;
    flex: 1;
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  #knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .intro {
    gap: 30px;
  }
  .demo-label {
    display: none;
  }
  .section-head {
    align-items: flex-start;
  }
}
@media (max-width: 720px) {
  .site-header {
    padding: 18px;
    gap: 15px;
  }
  .brand {
    font-size: 29px;
  }
  .site-header > .button {
    font-size: 10px;
    padding: 9px 11px;
  }
  .brand small {
    font-size: 6px;
  }
  main {
    padding: 0 16px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 30px 0 22px;
  }
  .intro-note {
    padding: 20px 23px;
  }
  .intro-note h2 {
    font-size: 20px;
  }
  .intro-note .spark {
    display: none;
  }
  .intro-note p {
    margin-bottom: 10px;
  }
  .engine {
    display: flex;
    gap: 10px;
  }
  .engine br {
    display: none;
  }
  .lead {
    font-size: 13px;
  }
  .privacy {
    font-size: 10px;
    padding: 11px 13px;
  }
  .workspace-top {
    display: block;
    margin-top: 20px;
  }
  nav {
    gap: 17px;
    overflow-x: auto;
  }
  nav button {
    font-size: 12px;
    padding: 12px 0;
  }
  #session-info {
    padding-bottom: 10px;
    font-size: 10px;
  }
  .workspace {
    display: flex;
    flex-direction: column;
  }
  .workspace > * {
    width: 100%;
  }
  .scenario-side {
    flex-wrap: wrap;
    padding: 9px;
  }
  .scenario-option {
    flex: 1 1 45%;
    font-size: 11px;
    padding: 8px;
  }
  .scenario-option small {
    font-size: 9px;
  }
  .stage-title {
    align-items: flex-start;
  }
  .stage-title h2 {
    font-size: 21px;
  }
  .stage-title p {
    font-size: 12px;
  }
  .stage-title > .button {
    font-size: 10px;
    padding: 8px;
    white-space: nowrap;
  }
  .scenario-grid {
    gap: 12px;
  }
  .scenario-card {
    padding: 17px;
  }
  .scenario-card h3 {
    font-size: 16px;
  }
  .scenario-card p {
    font-size: 12px;
  }
  .scenario-number {
    font-size: 28px;
    margin: 10px 0 15px;
  }
  .scenario-card .pill {
    font-size: 9px;
  }
  .scenario-card .button {
    font-size: 11px;
    padding: 9px;
  }
  .journey {
    padding: 15px;
    gap: 12px;
  }
  .journey strong {
    font-size: 11px;
  }
  .journey p {
    font-size: 10px;
  }
  .conversation {
    max-height: 370px;
  }
  .recommendation {
    padding: 18px;
  }
  #knowledge-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    display: block;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .section-head > p {
    margin-top: 10px;
  }
  .search {
    flex-wrap: wrap;
    padding: 13px;
  }
  .search label {
    flex: 1 1 100%;
  }
  .search input {
    flex: 1 1 100%;
    font-size: 12px;
  }
  .search select {
    flex: 1;
    font-size: 12px;
  }
  .review-grid {
    grid-template-columns: 1fr;
  }
  .review-panel {
    padding: 20px;
  }
  .metric-grid {
    gap: 8px;
  }
  .metric-grid div {
    font-size: 10px;
    padding: 12px;
  }
  .metric-grid strong {
    font-size: 22px;
  }
  .task-item {
    align-items: flex-start;
  }
  footer {
    display: block;
  }
  footer span {
    display: block;
    margin-top: 8px;
  }
  dialog {
    padding: 22px;
  }
}

.active-demo .intro {
  display: none;
}
.active-demo .privacy {
  margin-top: 24px;
}
@media (max-width: 720px) {
  .active-demo .privacy {
    margin-top: 16px;
  }
  .recommendation {
    scroll-margin-top: 16px;
  }
}