:root {
  --bg: #f4f7f1;
  --panel: rgba(255, 255, 255, 0.82);
  --line: #d3ddd1;
  --text: #1d2a20;
  --muted: #607063;
  --accent: #274a33;
  --accent-soft: #eef5ef;
  --shadow: 0 20px 60px rgba(39, 74, 51, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(164, 197, 171, 0.35), transparent 28%),
    linear-gradient(180deg, #f7fbf6 0%, var(--bg) 100%);
}

.shell {
  width: min(100%, 960px);
  margin: 0 auto;
  padding: 28px 16px 48px;
}

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.screen[hidden] {
  display: none;
}

.eyebrow {
  display: inline-flex;
  margin: 0;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 0;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.04em;
  max-width: 760px;
}

.hero-grid,
.result-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.result-grid-secondary {
  margin-top: 18px;
}

.intro {
  margin: 16px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric-chip {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.metric-chip strong,
.metric-row strong {
  display: block;
  font-size: 16px;
}

.metric-chip span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
}

.info-card,
.question-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
}

.card-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.feature-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text);
  line-height: 1.8;
}

.type-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.type-stack span {
  display: inline-flex;
  width: fit-content;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.card-note {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

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

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

.primary {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--line);
  font-weight: 700;
}

.quiz-shell,
.result-shell {
  margin-top: 10px;
}

.quiz-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.progress-title,
.result-title {
  margin: 8px 0 0;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.08;
}

.progress-track {
  margin-top: 18px;
  height: 10px;
  border-radius: 999px;
  background: #e7efe8;
  overflow: hidden;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #86a88e, #274a33);
  transition: width 0.2s ease;
}

.question-card {
  margin-top: 22px;
}

.question-tag {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.question-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.2;
}

.option-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  cursor: pointer;
}

.option input {
  margin: 0;
}

.option.selected {
  border-color: #8cad92;
  background: #f4faf4;
}

.result-subtitle {
  margin: 14px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.result-copy {
  margin: 12px 0 0;
  line-height: 1.8;
  color: var(--text);
}

.metric-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.metric-row {
  display: grid;
  gap: 8px;
}

.metric-row-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.metric-row span {
  color: var(--muted);
}

.metric-bar {
  height: 10px;
  border-radius: 999px;
  background: #e7efe8;
  overflow: hidden;
}

.metric-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #9fba93, #274a33);
}

.summary-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(211, 221, 209, 0.8);
}

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

.status-box {
  margin-top: 24px;
  padding: 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, #fbfdfa 0%, #eff5f0 100%);
  border: 1px solid var(--line);
}

.status-kicker {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.status-text {
  margin: 10px 0 0;
  font-size: 24px;
  font-weight: 700;
}

.status-meta {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .card {
    padding: 20px;
  }

  .hero-grid,
  .result-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .quiz-topbar {
    flex-direction: column;
  }

  .progress-title,
  .result-title,
  .question-title {
    font-size: 24px;
  }
}