:root {
  --bg: #201714;
  --panel: rgba(36, 26, 21, 0.78);
  --panel-strong: rgba(50, 36, 29, 0.88);
  --line: rgba(255, 226, 205, 0.16);
  --text: #fff4ea;
  --muted: #dbc7b9;
  --accent: #f4b88d;
  --accent-cool: #8dd1c5;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Aptos", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 146, 78, 0.18), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(141, 209, 197, 0.12), transparent 26%),
    linear-gradient(160deg, #17110f 0%, #241915 42%, #130e0c 100%);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  pointer-events: none;
}

.orb-one {
  width: 22rem;
  height: 22rem;
  top: 5rem;
  right: -7rem;
  background: radial-gradient(circle, rgba(255, 144, 80, 0.25), transparent 72%);
}

.orb-two {
  width: 18rem;
  height: 18rem;
  left: -5rem;
  top: 35rem;
  background: radial-gradient(circle, rgba(141, 209, 197, 0.18), transparent 74%);
}

.site-header,
main,
.site-footer {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 1rem;
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #1c120e;
  background: linear-gradient(140deg, var(--accent), #ffd7b8);
  box-shadow: 0 12px 30px rgba(244, 184, 141, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-text strong,
.site-nav a,
.button,
.chip,
.metric strong,
.topic-card h3,
.workflow-card h3,
.fact-item h3,
.faq-question {
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
}

.brand-text small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), transparent);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

main {
  padding: 1.5rem 0 4rem;
}

.hero,
.control-panel,
.workflow-section,
.context-section,
.participate-section,
.faq-section {
  margin-bottom: 2rem;
  padding: clamp(1.4rem, 2.5vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    rgba(20, 15, 13, 0.58);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.9fr);
  gap: 1.5rem;
  align-items: stretch;
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-cool);
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1;
}

.hero h1 {
  max-width: 11ch;
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  letter-spacing: -0.06em;
}

.hero-summary,
.section-heading + * {
  margin-top: 1rem;
}

.hero-summary {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible,
.chip:hover,
.chip:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #241915;
  background: linear-gradient(135deg, var(--accent), #ffd7bc);
}

.button-secondary {
  border-color: rgba(255, 244, 234, 0.15);
  background: rgba(255, 244, 234, 0.04);
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.metric {
  min-width: 9rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.metric strong {
  display: block;
  font-size: 1.55rem;
}

.metric span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.status-panel {
  display: flex;
}

.status-card,
.context-card,
.participate-card,
.topic-card,
.workflow-card,
.faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.status-card {
  width: 100%;
  padding: 1.35rem;
  background:
    linear-gradient(160deg, rgba(244, 184, 141, 0.09), transparent 40%),
    var(--panel-strong);
}

.status-card h2 {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  line-height: 1.2;
}

.status-list {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.status-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 244, 234, 0.1);
}

.status-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.status-list span {
  color: var(--muted);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.section-heading h2 {
  max-width: 18ch;
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.05em;
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.search-box {
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
}

.search-box input {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.search-box input:focus-visible {
  outline: 2px solid rgba(244, 184, 141, 0.45);
  outline-offset: 2px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chip {
  padding: 0.68rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.chip.active {
  color: #241915;
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent), #ffd7bc);
}

.topic-meta {
  margin: 1rem 0 1.25rem;
  color: var(--muted);
}

.topic-grid,
.workflow-grid,
.context-layout,
.participate-layout,
.faq-list {
  display: grid;
  gap: 1rem;
}

.topic-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.topic-card {
  grid-column: span 6;
  padding: 1.35rem;
  min-height: 100%;
}

.topic-card-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.topic-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.72rem;
  border-radius: 999px;
  font-size: 0.84rem;
  color: #241915;
  background: rgba(244, 184, 141, 0.96);
}

.topic-card h3 {
  margin: 0.7rem 0 0.5rem;
  font-size: 1.55rem;
  line-height: 1.1;
}

.topic-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.topic-points {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--text);
  line-height: 1.7;
}

.topic-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 244, 234, 0.08);
  color: var(--muted);
}

.workflow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-card {
  padding: 1.25rem;
}

.workflow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  color: #241915;
  background: var(--accent-cool);
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  font-weight: 700;
}

.workflow-card h3 {
  margin: 1rem 0 0.55rem;
  font-size: 1.2rem;
}

.workflow-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.context-layout {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.context-card {
  padding: 1.25rem;
}

.participate-layout {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: start;
}

.participate-card,
.proposal-form {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.participate-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.proposal-steps-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.proposal-step {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 244, 234, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.proposal-step h3 {
  margin: 1rem 0 0.45rem;
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
  font-size: 1.08rem;
}

.proposal-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid label {
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
}

.field-span-2 {
  grid-column: span 2;
}

.proposal-form input,
.proposal-form select,
.proposal-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.proposal-form textarea {
  resize: vertical;
}

.proposal-form input:focus-visible,
.proposal-form select:focus-visible,
.proposal-form textarea:focus-visible {
  outline: 2px solid rgba(244, 184, 141, 0.45);
  outline-offset: 2px;
}

.proposal-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.72fr);
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(255, 244, 234, 0.08);
  border-bottom: 1px solid rgba(255, 244, 234, 0.08);
}

.meta-title {
  margin: 0 0 0.75rem;
  font-family: "Bahnschrift", "Aptos Display", "Trebuchet MS", sans-serif;
}

.turnstile-block {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.turnstile-widget {
  min-height: 68px;
}

.turnstile-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

.submission-status {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.submission-status[data-state="success"] {
  color: #9ee7bb;
}

.submission-status[data-state="error"] {
  color: #ffb2a0;
}

.submission-status[data-state="warning"] {
  color: #ffd58e;
}

.button:disabled {
  opacity: 0.7;
  cursor: progress;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.prompt-seed {
  margin: 0;
  white-space: pre-wrap;
  color: var(--text);
  line-height: 1.7;
  font-family: "Aptos", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

.fact-list {
  display: grid;
  gap: 0.85rem;
}

.fact-item {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255, 244, 234, 0.08);
}

.fact-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.fact-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.fact-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.check-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item {
  padding: 1.2rem 1.25rem;
}

.faq-question {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.faq-answer {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 2.5rem;
  color: var(--muted);
}

.site-footer strong {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.site-footer p {
  margin: 0;
}

.footer-meta {
  text-align: right;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px dashed rgba(255, 244, 234, 0.18);
  border-radius: var(--radius-lg);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

@media (max-width: 960px) {
  .hero,
  .context-layout,
  .workflow-grid,
  .participate-layout,
  .proposal-meta {
    grid-template-columns: 1fr;
  }

  .topic-card {
    grid-column: span 12;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    text-align: left;
  }

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

  .field-span-2 {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
  }

  .hero h1,
  .section-heading h2 {
    max-width: 100%;
  }
}