:root {
  --bg: #f4efe7;
  --surface: rgba(255, 252, 246, 0.78);
  --ink: #13202a;
  --muted: #53616d;
  --line: rgba(19, 32, 42, 0.1);
  --accent: #f08a24;
  --accent-deep: #bf5f12;
  --forest: #15524d;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-lg: 0 24px 80px rgba(24, 33, 41, 0.14);
  --shadow-sm: 0 10px 26px rgba(24, 33, 41, 0.08);
  --max-width: 1260px;
  --font-sans: "Avenir Next", "Segoe UI Variable", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Songti SC", "STSong", serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(240, 138, 36, 0.17), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(21, 82, 77, 0.11), transparent 24%),
    linear-gradient(180deg, #fbf6ee 0%, #f4efe7 58%, #efe7db 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(19, 32, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 32, 42, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 84%);
  pointer-events: none;
}

.site-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar,
.hero-panel,
.result-panel,
.coverage-grid,
.site-footer {
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 640ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-panel {
  animation-delay: 60ms;
}

.result-panel {
  animation-delay: 120ms;
}

.coverage-grid {
  animation-delay: 180ms;
}

.site-footer {
  animation-delay: 240ms;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #fff;
  background: linear-gradient(145deg, var(--forest), #0f1720 78%);
  box-shadow: var(--shadow-sm);
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.85rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.96rem;
}

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

.hero-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.92fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 28px;
}

.hero-copy,
.hero-card,
.result-card,
.coverage-card,
.site-footer {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: var(--radius-xl);
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -36px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(240, 138, 36, 0.55), rgba(240, 138, 36, 0.1) 45%, transparent 64%),
    radial-gradient(circle at 68% 62%, rgba(21, 82, 77, 0.35), transparent 60%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-copy h1,
.panel-copy h2 {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  max-width: 12ch;
  font-size: clamp(2.9rem, 5vw, 5.8rem);
}

.hero-text {
  max-width: 56ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-badges span,
.mode-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(19, 32, 42, 0.08);
  color: var(--muted);
  font-size: 0.88rem;
}

.mode-chip {
  color: var(--forest);
  background: rgba(21, 82, 77, 0.08);
}

.hero-card {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.card-head,
.block-head,
.result-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.card-head p,
.block-head h2,
.result-header h3 {
  margin: 0;
}

.card-head p {
  font-weight: 700;
  font-size: 1.02rem;
}

.lookup-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.9rem;
  color: var(--muted);
}

.field-row,
.action-row {
  display: flex;
  gap: 10px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 56px;
  padding: 0 16px;
  border: 1px solid rgba(19, 32, 42, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(240, 138, 36, 0.86);
  box-shadow: 0 0 0 4px rgba(240, 138, 36, 0.14);
}

button {
  border: 0;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary-button,
.secondary-button,
.ghost-button,
.text-button {
  min-height: 48px;
  padding: 0 16px;
  border-radius: 999px;
}

.primary-button {
  color: #fff;
  background: linear-gradient(145deg, var(--accent), var(--accent-deep));
  box-shadow: 0 14px 28px rgba(191, 95, 18, 0.24);
}

.secondary-button {
  color: var(--forest);
  background: rgba(21, 82, 77, 0.09);
}

.ghost-button,
.text-button {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(19, 32, 42, 0.08);
}

.text-button {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
}

.history-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(19, 32, 42, 0.08);
}

.history-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.history-item {
  display: grid;
  gap: 4px;
  min-width: 180px;
  padding: 12px 14px;
  text-align: left;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(19, 32, 42, 0.08);
}

.history-main {
  color: var(--ink);
  font-weight: 700;
}

.history-meta {
  color: var(--muted);
  font-size: 0.84rem;
}

.result-panel {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 28px;
  margin-bottom: 28px;
}

.panel-copy {
  padding: 12px 6px 0;
}

.panel-copy h2 {
  font-size: clamp(2rem, 3vw, 3.15rem);
}

.panel-copy p:last-child {
  color: var(--muted);
  line-height: 1.68;
}

.result-card {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.result-card.is-empty {
  display: grid;
  place-items: center;
  min-height: 360px;
}

.empty-state {
  max-width: 40ch;
  text-align: center;
}

.empty-kicker {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.result-body {
  display: grid;
  gap: 22px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card,
.status-strip,
.timeline-card {
  border: 1px solid rgba(19, 32, 42, 0.08);
  background: rgba(255, 255, 255, 0.74);
  border-radius: 18px;
}

.metric-card {
  padding: 14px 16px;
}

.metric-label {
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-value {
  margin-top: 8px;
  font-size: 1.12rem;
  font-weight: 700;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(21, 82, 77, 0.08);
  color: var(--forest);
  font-size: 0.84rem;
  font-weight: 600;
}

.timeline-card {
  padding: 18px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 12px 0 0;
  padding-left: 16px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 5px;
  width: 2px;
  background: linear-gradient(180deg, rgba(240, 138, 36, 0.8), rgba(21, 82, 77, 0.18));
}

.timeline-item {
  position: relative;
  padding-left: 22px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 5px rgba(240, 138, 36, 0.12);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 0.84rem;
}

.timeline-title {
  margin: 6px 0 0;
  font-size: 1rem;
  font-weight: 700;
}

.timeline-desc {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.coverage-card {
  padding: 24px;
  border-radius: 24px;
}

.coverage-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.coverage-card p {
  color: var(--muted);
  line-height: 1.68;
}

.coverage-card ul {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  margin: 16px 0 0;
  color: var(--ink);
}

.site-footer {
  margin-top: 22px;
  padding: 18px 22px;
  border-radius: 22px;
}

.site-footer p {
  margin: 4px 0 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: var(--forest);
  text-decoration: none;
}

@media (max-width: 1120px) {
  .hero-panel,
  .result-panel,
  .coverage-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 18px;
  }

  .topbar,
  .card-head,
  .block-head,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .topnav {
    gap: 12px;
  }

  .hero-copy,
  .hero-card,
  .result-card,
  .coverage-card {
    padding: 20px;
  }

  .field-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .field-row,
  .action-row {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }
}