:root {
  color-scheme: dark;
  --bg: #080a0d;
  --bg-soft: #10141a;
  --panel: rgba(20, 25, 32, 0.86);
  --panel-strong: #171d25;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.28);
  --text: #f4f7fb;
  --muted: #9ca7b4;
  --dim: #697382;
  --yellow: #f6c443;
  --yellow-deep: #a97800;
  --blue: #67d3ff;
  --red: #ff625f;
  --green: #70e5aa;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  --mono: "Cascadia Mono", "Roboto Mono", Consolas, monospace;
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(115deg, rgba(246, 196, 67, 0.08), transparent 28%),
    radial-gradient(circle at 74% 18%, rgba(103, 211, 255, 0.1), transparent 30%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 96px),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(246, 196, 67, 0.11) 42% 43%, transparent 43% 100%),
    linear-gradient(150deg, transparent 0 62%, rgba(255, 255, 255, 0.055) 62% 62.4%, transparent 62.4% 100%);
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

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

button {
  font: inherit;
}

code {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 0.08rem 0.34rem;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  margin: 0 -16px;
  padding: 0 16px;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
}

.site-header[data-elevated="true"] {
  border-bottom-color: var(--line);
  background: rgba(8, 10, 13, 0.78);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, var(--yellow) 0 45%, #12161d 45% 100%);
  color: #050608;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
  letter-spacing: 0;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 9px 12px;
}

.site-nav a:hover,
.site-nav a.active {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.065);
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: 38px;
  min-height: calc(100vh - 96px);
  padding: 54px 0 64px;
}

.hero-copy {
  position: relative;
  padding-left: 22px;
}

.hero-copy::before,
.page-hero::before {
  position: absolute;
  top: 4px;
  bottom: 8px;
  left: 0;
  width: 4px;
  content: "";
  background: linear-gradient(var(--yellow), transparent);
}

.eyebrow,
.card-code,
.operator-class,
.timeline-date,
.panel-heading span {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 8vw, 6rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 720px;
  color: #c3ccd6;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  font-weight: 800;
  padding: 0 18px;
}

.button.primary {
  border-color: transparent;
  background: var(--yellow);
  color: #090b0e;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.terminal-card,
.feature-card,
.status-panel,
.operator-card,
.timeline-content,
.resource-board article,
.note-panel,
.note-entry {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.terminal-card {
  overflow: hidden;
  min-height: 430px;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.terminal-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border-bottom: 1px solid var(--line);
  background: #f3f5f7;
  color: #11151b;
  padding: 0 16px;
}

.terminal-toolbar span {
  width: 10px;
  height: 10px;
  background: #141820;
}

.terminal-toolbar strong {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.terminal-grid {
  position: relative;
  min-height: 386px;
  padding: 32px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.signal-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: min(78vw, 260px);
  aspect-ratio: 1;
  margin: 10px auto 22px;
}

.signal-ring::before,
.signal-ring::after,
.signal-ring span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(246, 196, 67, 0.75);
  content: "";
}

.signal-ring::before {
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.signal-ring::after {
  inset: 24%;
  border-color: rgba(103, 211, 255, 0.7);
}

.signal-ring span:nth-child(1) {
  inset: 14%;
  transform: rotate(45deg);
}

.signal-ring span:nth-child(2) {
  inset: 34%;
  border-color: rgba(255, 255, 255, 0.55);
}

.signal-ring span:nth-child(3) {
  inset: 47%;
  background: var(--yellow);
  box-shadow: 0 0 28px rgba(246, 196, 67, 0.55);
}

.terminal-readout {
  border-left: 4px solid var(--yellow);
  background: rgba(0, 0, 0, 0.26);
  padding: 16px 18px;
}

.terminal-readout p,
.terminal-readout span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.terminal-readout strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.terminal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.terminal-stats div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  padding: 12px;
}

.terminal-stats b,
.terminal-stats span {
  display: block;
}

.terminal-stats b {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 1.55rem;
}

.terminal-stats span {
  color: var(--muted);
  font-size: 0.78rem;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 72px;
}

.feature-card,
.resource-board article,
.note-entry,
.status-panel,
.note-panel {
  border-radius: var(--radius);
}

.feature-card {
  position: relative;
  min-height: 210px;
  overflow: hidden;
  padding: 24px;
}

.feature-card::after {
  position: absolute;
  right: -32px;
  bottom: -42px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(246, 196, 67, 0.36);
  content: "";
  transform: rotate(45deg);
}

.feature-card:hover,
.operator-card:hover,
.note-entry:hover {
  border-color: rgba(246, 196, 67, 0.56);
  transform: translateY(-2px);
}

.feature-card,
.operator-card,
.note-entry {
  transition: border-color 180ms ease, transform 180ms ease;
}

.feature-card h2,
.status-panel h2,
.operator-card h2,
.timeline-content h2,
.resource-board h2,
.note-entry h2,
.note-panel h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.feature-card p,
.status-panel p,
.operator-card p,
.timeline-content p,
.resource-board p,
.note-entry p,
.note-panel p,
.page-hero p {
  color: #c0c9d4;
  line-height: 1.75;
}

.dashboard-section {
  padding: 8px 0 84px;
}

.section-heading,
.page-hero {
  position: relative;
}

.section-heading h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.status-panel {
  padding: 22px;
}

.status-panel.wide {
  grid-row: span 2;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-heading strong {
  font-size: 1.18rem;
}

.task-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.task-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.task-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.task-list p {
  margin: 0;
}

.task-state {
  width: 12px;
  height: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.08);
}

.task-state.done {
  background: var(--green);
}

.task-state.active {
  background: var(--yellow);
  box-shadow: 0 0 18px rgba(246, 196, 67, 0.45);
}

.content-page {
  padding: 54px 0 82px;
}

.page-hero {
  max-width: 850px;
  margin-bottom: 34px;
  padding-left: 22px;
}

.page-hero.compact h1 {
  margin-bottom: 14px;
  font-size: clamp(2.5rem, 8vw, 5.2rem);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.chip {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  cursor: pointer;
  padding: 0 14px;
}

.chip.active,
.chip:hover {
  border-color: transparent;
  background: var(--yellow);
  color: #090b0e;
  font-weight: 800;
}

.operator-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.operator-card {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  min-height: 220px;
  padding: 20px;
}

.operator-card[hidden] {
  display: none;
}

.operator-avatar {
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border: 1px solid rgba(246, 196, 67, 0.62);
  background:
    linear-gradient(135deg, rgba(246, 196, 67, 0.92) 0 50%, rgba(255, 255, 255, 0.08) 50% 100%);
  color: #07090c;
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.operator-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  grid-column: 2;
  align-self: end;
}

.operator-meta span,
.note-tags span {
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 5px 8px;
}

.note-panel {
  margin-top: 18px;
  padding: 22px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  align-items: stretch;
}

.timeline-date {
  display: grid;
  place-items: center;
  min-height: 118px;
  border: 1px solid var(--line);
  background: rgba(246, 196, 67, 0.08);
}

.timeline-content {
  border-radius: var(--radius);
  padding: 22px;
}

.progress-track {
  overflow: hidden;
  height: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.progress-track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
}

.resource-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.resource-board article {
  padding: 22px;
}

.notes-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.note-entry {
  min-height: 230px;
  padding: 22px;
}

.note-entry.pinned {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(246, 196, 67, 0.14), transparent 34%),
    var(--panel);
}

.note-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.86rem;
  padding: 28px 0 42px;
}

@media (max-width: 900px) {
  .site-shell {
    width: min(100% - 24px, 720px);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    right: 12px;
    left: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(12, 15, 20, 0.96);
    padding: 8px;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero-panel {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 34px;
  }

  .quick-grid,
  .dashboard-grid,
  .operator-grid,
  .resource-board,
  .notes-layout {
    grid-template-columns: 1fr;
  }

  .status-panel.wide,
  .note-entry.pinned {
    grid-column: auto;
    grid-row: auto;
  }
}

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

  .hero-copy,
  .page-hero {
    padding-left: 16px;
  }

  .terminal-grid {
    padding: 22px;
  }

  .terminal-stats {
    grid-template-columns: 1fr;
  }

  .operator-card,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .operator-meta {
    grid-column: auto;
  }

  .timeline-date {
    min-height: 46px;
  }
}