:root {
  --canvas: #08090b;
  --paper: #131518;
  --soft: #1c2025;
  --ink: #f2f1ee;
  --muted: #adb3bd;
  --line: #343a42;
  --edge: #929ba7;
  --button: #efefeb;
  --on-button: #14171b;
  --veil: 8, 9, 11;
  --focus: #a6c7f8;
  --person-a: #b9b1eb;
  --person-b: #96cabf;
  --person-c: #e5b7a9;
  --person-d: #dfc892;
  --shade: 0 24px 80px #0006;
}
[data-theme="light"] {
  --canvas: #e9eae7;
  --paper: #f8f9f7;
  --soft: #e9ece8;
  --ink: #252a2c;
  --muted: #596263;
  --line: #d1d6d3;
  --edge: #737e7f;
  --button: #252a2c;
  --on-button: #fbfbf9;
  --veil: 233, 234, 231;
  --focus: #315e9f;
  --person-a: #7064a5;
  --person-b: #39796b;
  --person-c: #a36350;
  --person-d: #8b6b2e;
  --shade: 0 24px 80px #26322b16;
}
* {
  box-sizing: border-box;
}
html {
  min-width: 320px;
  background: var(--canvas);
}
body {
  margin: 0;
  color: var(--ink);
  font:
    18px/1.6 "DM Sans",
    "Segoe UI",
    sans-serif;
  min-height: 100vh;
}
button,
input,
textarea {
  font: inherit;
}
button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  color: inherit;
}
button:disabled {
  cursor: default;
  opacity: 0.55;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 5px;
}
button {
  border: 0;
  background: none;
}
a {
  color: inherit;
}
button,
input,
textarea {
  touch-action: manipulation;
}
button {
  min-height: 44px;
}
::selection {
  background: var(--ink);
  color: var(--paper);
}
[hidden] {
  display: none !important;
}
#liquid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  filter: blur(5px);
  background: var(--canvas);
}
.atmosphere-veil {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(var(--veil), 0.96),
      rgba(var(--veil), 0.76) 40%,
      rgba(var(--veil), 0.07) 72%,
      rgba(var(--veil), 0.12)
    ),
    linear-gradient(0deg, rgba(var(--veil), 0.88), transparent 60%);
}
.shell {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 1720px;
  padding: 0 48px 30px;
}
.masthead {
  height: 104px;
  display: flex;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font:
    40px/0.9 "Instrument Serif",
    Georgia,
    serif;
  text-decoration: none;
  letter-spacing: -1.3px;
  flex-shrink: 0;
}
.primary-nav {
  display: flex;
  gap: 28px;
  margin-left: 68px;
}
.primary-nav [data-view] {
  padding: 10px 0;
  font-size: 18px;
  color: var(--muted);
  position: relative;
  white-space: nowrap;
}
.primary-nav [data-view][aria-current="page"] {
  color: var(--ink);
}
.primary-nav [data-view][aria-current="page"]:after {
  content: "";
  height: 1px;
  background: var(--ink);
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
}
.preferences {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.preference {
  display: flex;
  gap: 2px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  padding: 3px;
  background: var(--canvas);
}
.preference button {
  padding: 6px 12px;
  font-size: 15px;
  min-height: 32px;
  border-radius: 999px;
  white-space: nowrap;
}
.preference button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--canvas);
}
.menu-toggle {
  display: none;
}
.hero {
  min-height: 298px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 36px 0 42px;
  position: relative;
}
.hero h1 {
  font:
    clamp(58px, 6.2vw, 94px) / 0.91 "Instrument Serif",
    Georgia,
    serif;
  letter-spacing: -2px;
  margin: 0;
  max-width: 780px;
  font-weight: 400;
}
.hero h1 span {
  display: block;
}
.hero-note {
  align-self: flex-end;
  max-width: 245px;
  margin-bottom: 10px;
  padding: 15px 18px;
  background: rgba(var(--veil), 0.87);
  border-radius: 12px;
  font-size: 18px;
  line-height: 1.6;
}
.hero-note p {
  margin: 0 0 18px;
}
.hero-note small {
  font-size: 15px;
  color: var(--muted);
}
.people-orbit {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--person-a);
  color: var(--canvas);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}
.people-orbit .avatar {
  width: 35px;
  height: 35px;
  border: 3px solid var(--canvas);
  margin-right: -6px;
}
.b {
  --person: var(--person-b);
  background: var(--person-b);
}
.c {
  --person: var(--person-c);
  background: var(--person-c);
}
.d {
  --person: var(--person-d);
  background: var(--person-d);
}
.desk {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shade);
  overflow: hidden;
  position: relative;
}
.desk-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 23px 30px 20px;
  border-bottom: 1px solid var(--line);
}
.session-label {
  display: flex;
  gap: 16px;
  align-items: center;
}
.session-label strong {
  font-weight: 500;
}
.demo-label {
  color: var(--muted);
  font-size: 15px;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}
.quiet-button {
  color: var(--muted);
  font-size: 17px;
  padding: 0 4px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.quiet-button:hover {
  color: var(--ink);
}
.stage-label {
  color: var(--muted);
  font-size: 15px;
}
.round {
  display: inline-block;
  margin-right: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--person-b);
}
.studio-body {
  display: grid;
  grid-template-columns: 252px minmax(350px, 1fr) 260px;
  gap: 52px;
  padding: 32px 30px 30px;
  position: relative;
}
.sources,
.direction,
.stances {
  position: relative;
  z-index: 1;
  min-width: 0;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 22px;
  font-size: 18px;
  font-weight: 500;
}
.section-title small {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
}
.sources-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.source {
  text-align: left;
  width: 100%;
  padding: 16px 0 16px 15px;
  border-left: 1px solid var(--line);
  min-height: 112px;
  transition:
    border-color 0.18s,
    background 0.18s;
  position: relative;
}
.source.linked {
  border-left: 2px solid var(--person);
}
.source.chosen {
  background: var(--soft);
  border-radius: 0 8px 8px 0;
}
.source .source-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  margin-bottom: 10px;
}
.source-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--person);
  display: inline-block;
}
.source-type {
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}
.source p {
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  color: var(--ink);
}
.source:not(.linked) p {
  color: var(--muted);
}
.source[data-member="0"] {
  --person: var(--person-a);
}
.source[data-member="1"] {
  --person: var(--person-b);
}
.source[data-member="2"] {
  --person: var(--person-c);
}
.source[data-member="3"] {
  --person: var(--person-d);
}
.source-legend {
  font-size: 15px;
  color: var(--muted);
  margin-top: 24px;
}
.legend-line {
  display: inline-block;
  width: 22px;
  border-top: 1px solid var(--muted);
  vertical-align: middle;
  margin-right: 7px;
}
.legend-line.dashed {
  border-top-style: dashed;
}
.source-legend div {
  margin: 7px 0;
}
.direction-tabs {
  display: flex;
  gap: 21px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}
.direction-tabs button {
  color: var(--muted);
  padding: 0 0 13px;
  font-size: 15px;
  text-align: left;
  min-width: 0;
  position: relative;
  line-height: 1.3;
  flex: 1;
}
.direction-tabs button[aria-selected="true"] {
  color: var(--ink);
}
.direction-tabs button[aria-selected="true"]:after {
  content: "";
  position: absolute;
  height: 2px;
  background: var(--ink);
  left: 0;
  right: 0;
  bottom: -1px;
}
.version-line {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 15px;
}
.direction h2 {
  font:
    clamp(44px, 4.5vw, 67px) / 0.98 "Instrument Serif",
    Georgia,
    serif;
  font-weight: 400;
  letter-spacing: -1.6px;
  margin: 0 0 18px;
  overflow-wrap: anywhere;
}
.candidate-lead {
  font-size: 19px;
  line-height: 1.65;
  max-width: 530px;
  margin: 0 0 25px;
  color: var(--muted);
}
.direction h3 {
  font-size: 17px;
  font-weight: 500;
  margin: 0 0 9px;
}
.candidate-demo {
  font-size: 18px;
  line-height: 1.65;
  margin: 0 0 24px;
}
.tradeoff {
  padding: 16px 18px;
  background: var(--soft);
  border-radius: 10px;
  margin-bottom: 18px;
}
.tradeoff p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}
.direction-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0 16px;
  border-bottom: 1px solid var(--line);
}
.direction-actions small {
  color: var(--muted);
  font-size: 15px;
}
.evidence-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 0 0;
  font-size: 17px;
  text-align: left;
}
.evidence-trigger small {
  font-size: 15px;
  color: var(--muted);
}
.source-explanation {
  margin: 10px 0;
  padding: 10px 12px;
  background: var(--soft);
  font-size: 17px;
  color: var(--muted);
  border-radius: 8px;
}
.connection-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}
.connection-map path {
  fill: none;
  stroke-width: 1.3;
  opacity: 0.8;
}
.connection-map circle {
  r: 2.5;
  opacity: 0.8;
}
.stances {
  padding-left: 25px;
  border-left: 1px solid var(--line);
}
.ready-count {
  font:
    30px/1.1 "Instrument Serif",
    Georgia,
    serif;
  margin: 0 0 9px;
}
.ready-note {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 17px;
}
.member {
  padding: 11px 0;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
}
.member-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 500;
  gap: 6px;
}
.member-state {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  text-align: right;
}
.member p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  margin: 5px 0 0;
}
.my-stance {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 11px;
}
.my-stance h3 {
  font-size: 17px;
  font-weight: 500;
  margin: 0 0 12px;
}
.stance-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.stance-options button {
  border: 1px solid var(--edge);
  border-radius: 8px;
  font-size: 14px;
  padding: 9px 6px;
  line-height: 1.4;
  min-height: 44px;
}
.stance-options button[aria-checked="true"] {
  background: var(--button);
  color: var(--on-button);
  border-color: var(--button);
}
.stance-note {
  font-size: 14px;
  color: var(--muted);
  margin: 13px 0 0;
}
.condition-input {
  background: var(--soft);
  color: var(--ink);
  border: 1px solid var(--edge);
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  font-size: 18px;
  resize: vertical;
  margin-top: 12px;
}
.condition-label {
  font-size: 15px;
  display: block;
  margin-top: 12px;
}
.desk-footer {
  border-top: 1px solid var(--line);
  padding: 13px 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
}
.activity-summary {
  color: var(--muted);
  margin-right: auto;
}
.footer-status {
  width: 5px;
  height: 5px;
  background: var(--person-b);
  border-radius: 50%;
  flex-shrink: 0;
}
.page-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 17px 0 0;
  font-size: 15px;
  color: var(--muted);
}
.page-footer button {
  font-size: 15px;
  padding: 0;
  min-height: 36px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.page-footer > div {
  display: flex;
  gap: 22px;
}
.activity-panel {
  padding: 20px 30px;
  border-top: 1px solid var(--line);
  font-size: 17px;
}
.activity-panel p {
  margin: 8px 0;
}
.activity-panel span {
  color: var(--muted);
}
.other-view {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 64px;
}
.other-view h2 {
  font:
    52px/1.03 "Instrument Serif",
    Georgia,
    serif;
  margin: 12px 0 24px;
  font-weight: 400;
}
.private-tag {
  color: var(--muted);
  font-size: 15px;
}
.other-view label {
  display: block;
  font-size: 17px;
  margin: 14px 0 10px;
}
.answer {
  display: block;
  width: 100%;
  min-height: 130px;
  padding: 15px;
  background: var(--soft);
  border: 1px solid var(--edge);
  border-radius: 10px;
  resize: vertical;
  color: var(--ink);
  font-size: 19px;
}
.primary-button {
  background: var(--button);
  color: var(--on-button);
  padding: 11px 21px;
  border-radius: 10px;
  font-size: 17px;
  margin-top: 15px;
}
.summary-items {
  list-style: none;
  padding: 0;
}
.summary-items li {
  border-bottom: 1px solid var(--line);
  padding: 13px 0;
  font-size: 18px;
}
.summary-items small {
  display: block;
  color: var(--muted);
  margin-bottom: 4px;
  font-size: 15px;
}
.brief-view {
  display: block;
  max-width: 800px;
  margin: auto;
}
.brief-view h3 {
  font-size: 19px;
  font-weight: 500;
  margin-top: 30px;
}
.brief-view p {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}
.brief-status {
  color: var(--muted);
  font-size: 17px;
}
dialog {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--edge);
  border-radius: 20px;
  padding: 30px;
  max-width: 920px;
  width: calc(100% - 40px);
  box-shadow: var(--shade);
  max-height: calc(100dvh - 60px);
  overflow: auto;
}
dialog::backdrop {
  background: #0009;
  backdrop-filter: blur(8px);
}
.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}
.dialog-head h2 {
  font:
    37px/1.1 "Instrument Serif",
    Georgia,
    serif;
  font-weight: 400;
  margin: 0;
}
.dialog-close {
  border: 1px solid var(--edge);
  border-radius: 50%;
  min-width: 44px;
  min-height: 44px;
  font-size: 27px;
}
dialog p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
}
dialog table {
  width: 100%;
  border-collapse: collapse;
  font-size: 17px;
}
dialog td,
dialog th {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 15px 12px;
  line-height: 1.6;
  font-weight: 400;
}
dialog th {
  font-weight: 500;
}
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  padding: 13px 20px;
  background: var(--button);
  color: var(--on-button);
  box-shadow: var(--shade);
  border-radius: 12px;
  z-index: 5;
  max-width: calc(100% - 32px);
  font-size: 17px;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -80px;
  z-index: 9;
  background: var(--paper);
  padding: 12px;
}
.skip-link:focus {
  top: 20px;
}
html[lang="zh-CN"] .hero h1,
html[lang="zh-CN"] .direction h2,
html[lang="zh-CN"] .other-view h2,
html[lang="zh-CN"] .dialog-head h2 {
  font-family: "Noto Serif SC", SimSun, serif;
  letter-spacing: -1px;
  line-height: 1.15;
}
html[lang="zh-CN"] .hero h1 {
  font-size: clamp(48px, 5.2vw, 76px);
}
html[lang="zh-CN"] .direction h2 {
  font-size: 50px;
}
@media (min-width: 1500px) {
  .studio-body {
    grid-template-columns: 285px minmax(400px, 1fr) 285px;
    gap: 62px;
    padding: 34px 36px;
  }
  .desk-header,
  .desk-footer {
    padding-left: 36px;
    padding-right: 36px;
  }
}
@media (max-width: 1230px) {
  .shell {
    padding: 0 30px 24px;
  }
  .primary-nav {
    margin-left: 18px;
    gap: 18px;
  }
  .preferences {
    gap: 10px;
  }
  .hero h1 {
    font-size: 76px;
  }
  .studio-body {
    grid-template-columns: 220px minmax(280px, 1fr) 220px;
    gap: 30px;
    padding: 26px 24px;
  }
  .stances {
    padding-left: 18px;
  }
  .direction-tabs {
    gap: 10px;
  }
  .direction-tabs button {
    font-size: 14px;
  }
  .direction h2 {
    font-size: 53px;
  }
  .hero-note {
    max-width: 225px;
  }
}
@media (max-width: 1000px) {
  .masthead {
    gap: 18px;
    flex-wrap: wrap;
    height: auto;
    padding: 20px 0 14px;
  }
  .preferences {
    margin-left: auto;
  }
  .primary-nav {
    margin-left: 0;
    order: 3;
    flex-basis: 100%;
    justify-content: center;
    gap: 32px;
  }
  .hero {
    min-height: 268px;
  }
  .hero h1 {
    font-size: 64px;
  }
  .studio-body {
    grid-template-columns: 210px 1fr;
    gap: 38px;
  }
  .stances {
    grid-column: 1/-1;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 24px 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 32px;
  }
  .stances > .section-title,
  .stances > .ready-count,
  .stances > .ready-note {
    grid-column: 1;
  }
  .stances > .section-title {
    margin-bottom: 4px;
  }
  .stances > .ready-note {
    margin: 0;
  }
  .members {
    grid-column: 1;
    grid-row: 4 / span 3;
  }
  .my-stance {
    grid-column: 2;
    grid-row: 1 / span 6;
    margin: 0;
    border: 0;
  }
  .direction h2 {
    font-size: 58px;
  }
  .other-view {
    gap: 32px;
  }
  .other-view h2 {
    font-size: 42px;
  }
}
@media (max-width: 640px) {
  .shell {
    padding: 0 18px 20px;
  }
  .wordmark {
    font-size: 34px;
  }
  .masthead {
    gap: 12px;
  }
  .preferences {
    gap: 8px;
  }
  .preference button {
    font-size: 14px;
    min-height: 38px;
    padding: 5px 9px;
  }
  .primary-nav {
    gap: 24px;
    justify-content: flex-start;
    overflow: visible;
  }
  .primary-nav [data-view] {
    font-size: 15px;
  }
  .hero {
    min-height: 235px;
    padding: 30px 0 34px;
    display: block;
  }
  .hero h1 {
    font-size: 56px;
    letter-spacing: -1.3px;
    max-width: 100%;
    line-height: 0.98;
  }
  .hero-note {
    display: none;
  }
  .desk {
    border-radius: 17px;
  }
  .desk-header {
    padding: 15px 18px;
    gap: 8px;
  }
  .session-label {
    gap: 8px;
  }
  .demo-label {
    font-size: 14px;
    padding-left: 8px;
  }
  .session-label strong {
    font-size: 17px;
  }
  .stage-label {
    display: none;
  }
  .studio-body {
    display: flex;
    flex-direction: column;
    gap: 26px;
    padding: 23px 18px;
  }
  .direction {
    order: 0;
  }
  .sources {
    order: 1;
    border-top: 1px solid var(--line);
    padding-top: 24px;
  }
  .stances {
    order: 2;
    display: block;
    padding-top: 23px;
  }
  .sources-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }
  .source {
    min-height: 88px;
    padding: 11px 12px;
  }
  .source-type {
    font-size: 15px;
  }
  .source .source-head {
    font-size: 17px;
  }
  .source p {
    font-size: 18px;
  }
  .section-title {
    font-size: 18px;
  }
  .source-legend {
    margin-top: 14px;
  }
  .direction-tabs {
    gap: 12px;
    margin-bottom: 21px;
  }
  .direction-tabs button {
    font-size: 15px;
  }
  .direction h2 {
    font-size: 56px;
    margin-top: 8px;
  }
  .candidate-lead {
    font-size: 19px;
  }
  .candidate-demo {
    font-size: 18px;
  }
  .tradeoff p {
    font-size: 18px;
  }
  .connection-map {
    display: none;
  }
  .ready-count {
    margin: 12px 0 8px;
  }
  .ready-note {
    margin-bottom: 14px !important;
  }
  .members {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    margin-top: 14px;
  }
  .member-state,
  .member p,
  .member-name {
    font-size: 17px;
  }
  .member {
    padding: 12px 0;
  }
  .my-stance {
    border-top: 1px solid var(--line);
    padding-top: 20px;
    margin-top: 16px;
  }
  .stance-options button {
    font-size: 17px;
  }
  .stance-note {
    font-size: 15px;
  }
  .desk-footer {
    padding: 12px 18px;
    gap: 9px;
    flex-wrap: wrap;
  }
  .activity-summary {
    flex-basis: 82%;
  }
  .page-footer {
    align-items: flex-start;
  }
  .page-footer > span {
    max-width: 170px;
  }
  .page-footer > div {
    gap: 14px;
  }
  .other-view {
    padding: 24px 18px;
    display: block;
  }
  .other-view h2 {
    font-size: 39px;
  }
  .other-view > aside {
    margin-top: 36px;
  }
  .summary-items small {
    font-size: 17px;
  }
  .dialog-head h2 {
    font-size: 30px;
  }
  dialog {
    padding: 22px;
  }
  dialog table,
  dialog tbody,
  dialog tr,
  dialog td,
  dialog th {
    display: block;
  }
  dialog thead {
    display: none;
  }
  dialog td {
    padding: 12px 0;
  }
  dialog td:before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 4px;
  }
  dialog td:first-child {
    font-weight: 500;
  }
  .hero h1 span {
    overflow-wrap: anywhere;
  }
  html[lang="zh-CN"] .hero h1 {
    font-size: 45px;
  }
  html[lang="zh-CN"] .direction h2 {
    font-size: 39px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}
.focus-mode #liquid {
  opacity: 0.24;
}
.focus-mode .hero {
  display: none;
}
.focus-mode .desk {
  margin-top: 28px;
}
.focus-button {
  color: var(--muted);
  font-size: 15px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
html[lang="zh-CN"] .source-type {
  font-size: 15px;
}
.source:focus-visible {
  outline-offset: 2px;
}
@media (max-width: 640px) {
  .page-footer > div {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px 14px;
  }
  .focus-mode .desk {
    margin-top: 20px;
  }
  .primary-nav [data-view] {
    min-height: 44px;
  }
  .preferences .preference button {
    min-height: 38px;
    min-width: 38px;
  }
  .preferences {
    margin-left: auto;
  }
  .masthead {
    justify-content: space-between;
  }
}
.masthead > .focus-button {
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
}
.masthead > .preferences {
  margin-left: 0;
}
@media (min-width: 641px) and (max-width: 1300px) {
  .masthead {
    flex-wrap: wrap;
    height: auto;
    padding: 20px 0 14px;
    gap: 18px;
  }
  .primary-nav {
    margin-left: 0;
    order: 3;
    flex-basis: 100%;
    justify-content: center;
    gap: 32px;
  }
}
.landing {
  position: relative;
  isolation: isolate;
  min-height: 760px;
  height: 100svh;
  background: #080808;
  color: #f8f8f8;
  overflow: hidden;
}
.landing:before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -4;
  background: repeating-conic-gradient(
    from 35deg at 70% 40%,
    #080808 0deg,
    #444 20deg,
    #111 40deg,
    #080808 60deg
  );
  filter: blur(55px);
}
#cover-liquid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  pointer-events: none;
}
.cover-veil {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 48%, #0009 0%, #0005 38%, transparent 78%),
    linear-gradient(180deg, #0005, transparent 30%, transparent 75%, #0008);
}
.cover-grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.83' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.75' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cover-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 48px;
  gap: 24px;
}
.cover-header .wordmark {
  font-size: 36px;
}
.cover-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 17px;
}
.cover-header a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.cover-header nav a:hover {
  border-color: #fff;
}
.cover-header nav button {
  border-bottom: 1px solid #aaa;
  padding: 9px 0;
  min-height: 44px;
  font-size: 17px;
  color: #f8f8f8;
}
.cover-content {
  min-height: inherit;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 130px;
}
.cover-content h1 {
  font:
    400 clamp(76px, 9.2vw, 148px) / 0.94 "Times New Roman",
    Georgia,
    serif;
  letter-spacing: -0.055em;
  margin: 0 0 28px;
  max-width: 1100px;
}
.cover-content h1 span {
  display: block;
}
.cover-content p {
  font-size: 19px;
  line-height: 1.65;
  color: #dedee1;
  max-width: 470px;
  margin: 0 0 34px;
}
.cover-login {
  background: #f7f7f7;
  color: #111;
  border: 1px solid #f7f7f7;
  border-radius: 3px;
  min-height: 48px;
  padding: 13px 26px;
  font-size: 17px;
}
.cover-login:hover {
  background: #ddd;
  border-color: #ddd;
}
.cover-about {
  --about-paper: #f4f2ec;
  background: var(--about-paper);
  color: #252a2c;
  padding: 100px max(28px, 8vw) 36px;
  scroll-margin-top: 0;
}
.about-heading {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}
.about-heading > p {
  color: #646964;
  max-width: 330px;
  margin: 0 0 4px auto;
  font-size: 19px;
}
.cover-about h2 {
  font:
    400 clamp(42px, 4.8vw, 68px) / 1.04 "Instrument Serif",
    Georgia,
    serif;
  margin: 0;
}
.process-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}
.process-step {
  position: relative;
  padding: 0 36px 0 0;
}
.process-step::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 21px;
  height: 1px;
  background: #bbc2b9;
}
.process-step:last-child { padding-right: 0; }
.process-step:last-child::before { right: calc(100% - 44px); }
.process-node {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--about-paper);
  border: 1px solid #9da99e;
  border-radius: 50%;
  color: #43604f;
  font-size: 15px;
}
.process-step:last-child .process-node { background: #344b3f; color: #fff; border-color: #344b3f; }
.process-step h3 {
  font: 400 clamp(28px, 2.6vw, 38px)/1.12 "Instrument Serif", Georgia, serif;
  margin: 25px 0 14px;
  min-height: 2.24em;
}
.process-step > p { margin: 0 0 26px; color: #646964; font-size: 18px; max-width: 280px; min-height: 3.1em; }
.process-branches { list-style: none; margin: 0 0 0 21px; padding: 0; }
.process-branches li {
  position: relative;
  padding: 0 0 24px 24px;
  font-size: 18px;
  line-height: 1.65;
  border-left: 1px solid #c4cbc0;
}
.process-branches li:last-child { padding-bottom: 0; border-left-color: transparent; }
.process-branches li::before { content: ""; position: absolute; top: 11px; left: -1px; width: 15px; height: 1px; background: #c4cbc0; }
.process-branches li::after { content: ""; position: absolute; top: 8px; left: 12px; width: 6px; height: 6px; border-radius: 50%; background: #819480; }
.process-branches li:last-child::before { top: 0; height: 12px; background: none; border-left: 1px solid #c4cbc0; border-bottom: 1px solid #c4cbc0; }
.project-footer { margin-top: 74px; padding-top: 32px; border-top: 1px solid #d4d6cd; text-align: center; }
.project-links { display: flex; justify-content: center; align-items: center; gap: 26px; }
.project-links a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; font-size: 17px; }
.project-links a:hover { color: #53785e; }
.project-links svg { width: 23px; height: 23px; }
.project-link-divider { height: 18px; width: 1px; background: #c9cec4; }
.project-footer p { font-size: 15px; color: #646964; margin: 16px 0 0; }
@media (max-width: 850px) {
  .about-heading { display: block; margin-bottom: 45px; }
  .about-heading > p { margin: 20px 0 0; max-width: 420px; }
  .process-map { grid-template-columns: 1fr; gap: 40px; }
  .process-step, .process-step:last-child { padding: 0 0 0 66px; }
  .process-node { position: absolute; left: 0; top: 0; }
  .process-step::before { left: 21px; right: auto; top: 44px; bottom: -40px; width: 1px; height: auto; }
  .process-step:last-child::before { display: none; }
  .process-step h3 { margin: 2px 0 12px; max-width: none; min-height: 0; }
  .process-step > p { max-width: none; min-height: 0; }
  .process-branches { margin-left: 0; }
}
.landing[hidden],
.cover-about[hidden],
#workspace[hidden] {
  display: none;
}
@media (max-width: 640px) {
  .masthead > .wordmark {
    flex-basis: 100%;
  }
  .masthead > .focus-button {
    order: 3;
    margin-left: 0;
  }
  .masthead > .preferences {
    order: 4;
    margin-left: auto;
  }
  .masthead > .primary-nav {
    order: 5;
  }
  .landing {
    min-height: 700px;
  }
  .cover-header {
    padding: 26px 24px;
  }
  .cover-header .wordmark {
    font-size: 30px;
  }
  .cover-header nav {
    gap: 18px;
    font-size: 15px;
  }
  .cover-content {
    padding: 125px 20px;
  }
  .cover-content h1 {
    font-size: clamp(67px, 13vw, 85px);
  }
  .cover-content p {
    font-size: 18px;
    max-width: 315px;
  }
  .cover-about {
    padding: 65px 26px 30px;
  }
  .cover-about h2 {
    max-width: 330px;
  }
  .project-footer { margin-top: 48px; }
  .cover-header nav { order: 3; flex-basis: 100%; justify-content: space-between; gap: 10px; }
  .cover-header nav a, .cover-header nav button { font-size: 14px; }
}

/* Working room surfaces inherit the prototype's palette and typography. */
label {
  display: block;
  font-size: 17px;
  margin: 16px 0 8px;
}
input,
textarea,
select {
  font: inherit;
  font-size: 18px;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--edge);
  border-radius: 8px;
  padding: 11px;
  width: 100%;
  margin: 7px 0;
  max-width: 100%;
}
textarea {
  min-height: 90px;
  resize: vertical;
}
input[type="checkbox"] {
  width: auto;
  margin-right: 10px;
}
select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
.check {
  display: flex;
  align-items: flex-start;
}
.check input {
  margin-top: 4px;
}
.muted,
small {
  color: var(--muted);
}
p {
  overflow-wrap: anywhere;
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--soft);
  padding: 16px;
  border-radius: 9px;
  max-height: 420px;
  overflow: auto;
  font-size: 15px;
}
details {
  margin: 18px 0;
}
summary {
  cursor: pointer;
  color: var(--muted);
  padding: 8px 0;
  font-size: 17px;
}
summary:hover {
  color: var(--ink);
}
h2,
h3 {
  overflow-wrap: anywhere;
}
h3 {
  font-size: 19px;
  font-weight: 500;
}
.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  padding: 32px;
}
.entry-grid > section {
  min-width: 0;
}
.entry-grid h2 {
  font:
    42px/1.1 "Instrument Serif",
    Georgia,
    serif;
  margin: 5px 0 25px;
}
.test-banner {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  padding: 13px 30px;
  border-bottom: 1px solid var(--line);
}
#error {
  color: #f5b3a5;
  background: var(--soft);
  padding: 14px 30px;
  margin: 0;
  white-space: pre-wrap;
}
[data-theme="light"] #error {
  color: #963b28;
}
.notice {
  background: var(--soft);
  border-left: 2px solid var(--person-d);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  font-size: 17px;
}
.status-panel {
  padding: 20px 30px;
  border-bottom: 1px solid var(--line);
}
.status-panel h2 {
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 8px;
}
.status-panel > p {
  font-size: 17px;
  color: var(--muted);
  margin: 8px 0;
}
.status-panel details {
  margin: 5px 0;
}
.room-actions {
  display: flex;
  gap: 18px;
  flex-shrink: 0;
}
.session-label {
  min-width: 0;
}
.session-label strong {
  overflow-wrap: anywhere;
}
.direction h2 {
  font-size: 43px;
  line-height: 1.08;
}
.direction h3 {
  margin-top: 20px;
}
.direction .primary-button,
.my-stance .primary-button {
  margin: 6px 6px 0 0;
  min-height: 44px;
}
.direction section + section {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.direction-tabs {
  flex-wrap: wrap;
  gap: 12px;
}
.direction-tabs button {
  flex: 1 1 95px;
  padding: 12px 4px;
  overflow-wrap: anywhere;
}
.member-name {
  overflow-wrap: anywhere;
}
.member-state {
  max-width: 125px;
}
.member p {
  white-space: pre-wrap;
}
.my-stance h3 {
  font-size: 19px;
}
.my-stance button {
  width: 100%;
  text-align: center;
}
.source {
  min-height: 0;
  cursor: default;
}
.source small {
  display: block;
  font-size: 14px;
  margin-top: 12px;
}
.source p {
  white-space: pre-wrap;
  margin-top: 8px;
}
.source h3 {
  margin: 0;
  font-size: 17px;
}
.sources-list {
  gap: 15px;
}
.activity-panel {
  margin: 0;
  padding: 15px 30px;
  border-top: 1px solid var(--line);
}
#private h2,
#brief h2 {
  font-size: 42px;
}
#private > label {
  font-size: 20px;
  line-height: 1.6;
  margin: 20px 0 12px;
}
#private textarea {
  font-size: 19px;
  line-height: 1.65;
}
.other-view > aside p {
  color: var(--muted);
}
#credentials {
  margin-top: 25px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
#credentials textarea {
  min-height: 140px;
}
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.action-row button {
  margin: 0;
}
.candidate-report {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding-top: 10px;
}
.tag {
  font-size: 14px;
  color: var(--muted);
}
.brief-view {
  max-width: 900px;
}
.brief-view h2 {
  font-size: 48px;
}
.brief-view li {
  color: var(--muted);
  margin: 10px 0;
}
.task {
  border-top: 1px solid var(--line);
  padding: 8px 0;
}
.empty-state {
  padding: 24px 0;
  color: var(--muted);
}
.empty-state h2 {
  color: var(--ink);
}
.people-orbit {
  flex-wrap: wrap;
  max-width: 200px;
}
.hero-note:has(.people-orbit:empty) .people-orbit {
  display: none;
}
html[lang="zh-CN"] .entry-grid h2 {
  font-family: "Noto Serif SC", serif;
  font-size: 32px;
}
.primary-button.secondary {
  background: var(--soft);
  color: var(--ink);
  border: 1px solid var(--edge);
}
.primary-button[aria-pressed="true"] {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
@media (max-width: 1000px) {
  .entry-grid {
    gap: 35px;
  }
  .stances {
    display: block;
  }
  .hero h1 {
    font-size: 64px;
  }
  .direction h2 {
    font-size: 40px;
  }
  .my-stance {
    margin-top: 15px;
  }
  .studio-body {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  .entry-grid {
    display: block;
    padding: 24px 18px;
  }
  .entry-grid > section + section {
    border-top: 1px solid var(--line);
    margin-top: 35px;
    padding-top: 30px;
  }
  .test-banner,
  .status-panel {
    padding: 14px 18px;
  }
  .desk-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .session-label {
    flex-wrap: wrap;
  }
  .session-label .demo-label {
    border: 0;
    padding: 0;
  }
  .room-actions {
    margin-left: auto;
  }
  .primary-nav {
    gap: 18px;
  }
  .status-panel h2 {
    font-size: 19px;
  }
  .direction h2 {
    font-size: 38px;
  }
  .entry-grid h2 {
    font-size: 36px;
  }
  .primary-button {
    font-size: 18px;
  }
  input,
  textarea,
  select {
    font-size: 19px;
  }
  .direction-tabs {
    gap: 6px;
  }
  .member-state {
    max-width: none;
  }
  .source p {
    font-size: 18px;
  }
  .hero h1 {
    font-size: 54px;
  }
  .activity-panel {
    padding: 12px 18px;
  }
}

/* Readable progress and access controls at desktop and phone widths. */
.workflow-steps{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;list-style:none;font-size:15px;opacity:.75}
.workflow-steps li{padding:6px 0;border-bottom:2px solid transparent}
.workflow-steps [aria-current="step"]{border-color:currentColor;font-weight:600;opacity:1}
.next-step{font-size:19px;max-width:72ch;line-height:1.6}
#room-access,#create-access{max-width:640px}
#room-access input,#create-access input,#create-access select{width:100%;box-sizing:border-box}
.invite-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:12px 0}
#credentials .quiet-button{margin:4px 8px 4px 0}
#connection-status{margin:0 0 24px}
#connection-status .quiet-button{margin-left:12px}
@media(max-width:600px){.workflow-steps{font-size:14px;gap:6px 12px}.next-step{font-size:18px}}

/* Stage-led entry and readable conversation records. */
.entry-grid { grid-template-columns: minmax(0, 720px); gap: 0; }
.entry-grid > section { width: 100%; }
.entry-switch { display: block; margin: 18px 0; text-align: left; }
.primary-nav [data-view] { cursor: default; }
.access-card, .record-card { border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin: 16px 0; background: var(--soft); min-width: 0; }
.access-card h3, .record-card h3 { margin: 0 0 12px; }
.access-card dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px 16px; }
.access-card dt { color: var(--muted); }
.access-card dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.access-card .card-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.conversation-history { display: grid; gap: 14px; margin-top: 16px; }
.conversation-message { border-left: 3px solid var(--person-a); padding: 12px 16px; background: var(--soft); border-radius: 0 10px 10px 0; }
.conversation-message[data-role="user"] { border-color: var(--person-b); }
.conversation-message p, .record-card p, .record-card li { white-space: pre-wrap; line-height: 1.65; }
.conversation-message p { margin: 8px 0 0; font-size: 19px; }
.record-list { padding-left: 24px; }
.record-list li + li { margin-top: 8px; }
.record-card small { display: block; margin-top: 8px; }
.cover-language { margin-left: 18px; }
@media (max-width: 640px) {
  .entry-grid > section + section { border: 0; padding: 0; margin: 0; }
  .access-card dl { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .access-card dd { margin-bottom: 12px; }
  .cover-header { flex-wrap: wrap; gap: 14px; }
  .cover-language { margin-left: auto; }
}