:root {
  --bg: #f5efe4;
  --ink: #17201c;
  --muted: #647067;
  --paper: #fffaf1;
  --line: #dfd4c1;
  --accent: #0f6b57;
  --accent-dark: #0a473a;
  --danger: #a63232;
  --warning: #9a5b00;
  --success: #12683d;
  --code: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, rgba(15, 107, 87, 0.16), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(154, 91, 0, 0.12), transparent 24rem),
    linear-gradient(135deg, #fbf3e4 0%, #eef4ef 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  min-height: 100vh;
}

button,
select {
  font: inherit;
}

code {
  background: rgba(17, 24, 39, 0.08);
  border-radius: 0.35rem;
  padding: 0.08rem 0.28rem;
}

.shell {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(34px, 7vw, 68px);
  line-height: 0.96;
  letter-spacing: -0.06em;
  margin-bottom: 18px;
  max-width: 760px;
}

h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.summary {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
  max-width: 820px;
}

.panel {
  background: rgba(255, 250, 241, 0.86);
  border: 1px solid rgba(120, 102, 72, 0.22);
  border-radius: 24px;
  box-shadow: 0 22px 60px rgba(55, 44, 24, 0.11);
  margin: 16px 0;
  padding: 22px;
  backdrop-filter: blur(12px);
}

.row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 11px 0;
}

.row:last-child {
  border-bottom: 0;
}

.label {
  color: var(--muted);
}

.badge {
  border-radius: 999px;
  display: inline-block;
  padding: 7px 12px;
}

.badge[data-tone="neutral"] {
  background: rgba(17, 24, 39, 0.08);
}

.badge[data-tone="success"] {
  background: rgba(18, 104, 61, 0.12);
  color: var(--success);
}

.badge[data-tone="warning"] {
  background: rgba(154, 91, 0, 0.14);
  color: var(--warning);
}

.badge[data-tone="danger"] {
  background: rgba(166, 50, 50, 0.12);
  color: var(--danger);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

button {
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  color: white;
  cursor: pointer;
  font-weight: 700;
  padding: 12px 18px;
}

button:hover {
  background: var(--accent-dark);
}

button.secondary {
  background: #2a3934;
}

button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

select {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: block;
  margin-top: 8px;
  max-width: 100%;
  padding: 10px 12px;
}

.fallback {
  border-color: rgba(154, 91, 0, 0.45);
}

.manual-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

pre {
  background: var(--code);
  border-radius: 16px;
  color: #edf2f7;
  line-height: 1.55;
  margin: 0;
  min-height: 170px;
  overflow: auto;
  padding: 16px;
  white-space: pre-wrap;
  word-break: break-word;
}

.notes ol {
  margin-bottom: 0;
  padding-left: 22px;
}

.notes li {
  margin: 8px 0;
}

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 22px, 1080px);
    padding-top: 24px;
  }

  .panel {
    border-radius: 18px;
    padding: 18px;
  }

  .row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

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