:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --paper: #fbfaf6;
  --paper-soft: #f0eee7;
  --ink: #171817;
  --text: #272925;
  --muted: #74776f;
  --faint: #a6a79f;
  --line: #ded9cd;
  --line-strong: #bdb6a8;
  --accent: #8d641d;
  --accent-soft: #efe3cb;
  --max: 1160px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 245, 239, 0) 260px),
    var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 24, 23, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 24, 23, 0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.26), transparent 62%);
}

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

.ambient,
.signal-grid {
  display: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 62px;
  padding: 0 max(22px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(222, 217, 205, 0.86);
  background: rgba(247, 245, 239, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 720;
}

.brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: 0 10px 34px rgba(40, 32, 20, 0.08);
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 20px;
  height: 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 620;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
}

.nav a:hover {
  color: var(--ink);
}

.shell {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 34px 0 44px;
}

.kicker,
.panel-title p {
  margin: 0;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.announcement {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 54px);
  align-items: start;
  margin: 0 0 34px;
  padding: 0 0 24px;
  border-bottom: 1px solid var(--ink);
}

.announcement > div:first-child {
  position: sticky;
  top: 84px;
}

.announcement h2 {
  margin: 11px 0 0;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 740;
  line-height: 1.12;
  letter-spacing: 0;
}

.announcement-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 11px;
}

.announcement-meta,
.announcement-actions,
.announcement-route,
.announcement-info,
.announcement-fees,
.announcement-takeaways {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.announcement-date,
.announcement-tag,
.announcement-actions span,
.announcement-route span,
.announcement-info div,
.announcement-fees div,
.announcement-takeaways li {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 9px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--muted);
  font-size: 11px;
  font-weight: 620;
}

.announcement-date {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.06em;
}

.announcement-actions {
  align-items: center;
  margin-top: 2px;
}

.announcement-link {
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 12px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
}

.announcement-link:hover {
  border-color: var(--accent);
  background: var(--accent);
}

.announcement-title {
  max-width: 720px;
  margin: 4px 0 0;
  color: var(--ink);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: 0;
}

.announcement-title span {
  display: block;
  margin-top: 9px;
  color: var(--accent);
  font-size: clamp(13px, 1.4vw, 17px);
  font-weight: 650;
  line-height: 1.4;
}

.announcement-lead,
.announcement-copy,
.announcement-compact p,
.announcement-note {
  max-width: 720px;
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.78;
}

.announcement-copy,
.announcement-compact p,
.announcement-note {
  color: var(--muted);
  font-size: 13px;
}

.announcement-block {
  display: grid;
  gap: 8px;
  margin-top: 2px;
}

.announcement-block h3 {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 760;
}

.announcement-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.announcement-points li {
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.announcement-points strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 14px;
}

.announcement-info div,
.announcement-fees div {
  display: grid;
  align-content: center;
  gap: 2px;
  min-height: 0;
  border-radius: 12px;
  padding: 7px 9px;
}

.announcement-info span,
.announcement-fees span,
.announcement-fees em {
  color: var(--faint);
  font-size: 10px;
  font-style: normal;
}

.announcement-info strong,
.announcement-fees strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.35;
}

.announcement-quote {
  max-width: 680px;
  margin: 6px 0 0;
  padding: 0 0 0 13px;
  border: 0;
  border-left: 2px solid var(--accent);
  color: var(--ink);
  font-size: clamp(16px, 1.7vw, 20px);
  font-weight: 720;
  line-height: 1.48;
}

.announcement-expired {
  margin-top: 40px;
  opacity: 0.62;
}

.hero {
  display: block;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  max-width: 740px;
  margin: 10px 0 0;
  color: var(--ink);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: 0;
}

.summary {
  max-width: 560px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.76;
}

.console {
  border-top: 1px solid var(--ink);
  color: var(--muted);
}

.console-head {
  display: none;
}

.console-body {
  display: grid;
  gap: 0;
  padding: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  line-height: 1.45;
}

.console-body p {
  margin: 0;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}

.console-body span {
  color: var(--accent);
}

.tool-panel {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 54px);
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  display: grid;
  align-content: start;
  gap: 10px;
}

.panel-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 740;
  line-height: 1.12;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.tool-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 39px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.tool-card:hover {
  color: var(--accent);
}

.tool-card.muted {
  color: var(--muted);
  cursor: default;
}

.tool-card .index,
.share-card span {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 680;
}

.tool-card strong {
  overflow: hidden;
  color: currentColor;
  font-size: 14px;
  font-weight: 620;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-card em {
  display: none;
}

.share-panel,
.message-panel {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 54px);
  padding: 24px 0 0;
}

.share-copy,
.message-copy {
  display: grid;
  align-content: start;
  gap: 10px;
}

.share-copy h2,
.message-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 740;
  line-height: 1.12;
}

.share-copy p:not(.kicker),
.message-copy p:not(.kicker) {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.68;
}

.share-slots {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink);
}

.share-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.share-card:hover {
  color: var(--accent);
}

.share-card strong {
  color: currentColor;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
}

.share-card em {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.6;
}

.message-form {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--ink);
  padding-top: 10px;
}

.message-form label {
  display: grid;
  gap: 6px;
}

.message-form label span,
.mosaic-preview span,
.message-trace span {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.message-form input,
.message-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 10px 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.6;
  outline: none;
}

.message-form input {
  min-height: 40px;
}

.message-form textarea {
  min-height: 124px;
  resize: vertical;
}

.message-form input:focus,
.message-form textarea:focus {
  border-color: var(--ink);
}

.message-form input::placeholder,
.message-form textarea::placeholder {
  color: var(--faint);
}

.mosaic-preview,
.message-trace {
  display: grid;
  gap: 7px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.mosaic-preview p,
.message-trace p {
  min-height: 45px;
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.7;
  word-break: break-all;
}

.message-trace p {
  color: var(--ink);
}

.message-status {
  min-height: 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
}

.message-form button {
  justify-self: start;
  min-height: 34px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 14px;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.message-form button:hover {
  border-color: var(--accent);
  background: var(--accent);
}

.message-form button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.footer {
  width: min(var(--max), calc(100% - 44px));
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  padding: 22px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
}

@media (max-width: 900px) {
  .topbar {
    height: auto;
    min-height: 58px;
    padding: 0 18px;
  }

  .nav {
    gap: 10px;
    font-size: 12px;
  }

  .shell {
    width: min(100% - 28px, 720px);
    padding-top: 26px;
  }

  .announcement,
  .tool-panel,
  .share-panel,
  .message-panel {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .announcement > div:first-child {
    position: static;
  }
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .announcement-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand span:last-child {
    display: none;
  }

  .nav a:nth-child(2) {
    display: none;
  }

  .shell,
  .footer {
    width: calc(100% - 24px);
  }

  .announcement-title {
    font-size: 24px;
  }

  .hero h1 {
    font-size: 25px;
  }

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

  .tool-card strong {
    white-space: normal;
  }

  .footer {
    flex-direction: column;
  }
}