:root {
  --bg-1: #e8f3ec;
  --bg-2: #cfe5d4;
  --bg-3: #b8d6c2;
  --ink: #2c3a33;
  --ink-soft: #5a6b62;
  --accent: #4a8c6e;
  --accent-soft: #7fb89a;
  --accent-deep: #2e6b50;
  --gold: #c9a14a;
  --card: rgba(255, 255, 255, 0.82);
  --card-border: rgba(74, 140, 110, 0.18);
  --shadow: 0 20px 60px -20px rgba(46, 107, 80, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.55), transparent 40%),
    radial-gradient(circle at 80% 75%, rgba(127, 184, 154, 0.45), transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(201, 161, 74, 0.12), transparent 60%);
}

main#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
  padding-bottom: max(80px, env(safe-area-inset-bottom));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen {
  display: none;
  width: 100%;
  animation: fadeIn 0.4s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  background: var(--card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}

.title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
}

.lead {
  color: var(--ink-soft);
  font-size: 15px;
  margin-bottom: 24px;
}

.meta {
  list-style: none;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--card-border);
}

.meta strong {
  color: var(--accent-deep);
  font-size: 15px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 20px -8px rgba(46, 107, 80, 0.6);
}

.primary-btn:active {
  transform: translateY(0);
}

.ghost-btn {
  background: transparent;
  color: var(--accent-deep);
  border: 1px solid var(--accent-soft);
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.ghost-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.footnote {
  margin-top: 18px;
  font-size: 12px;
  color: var(--ink-soft);
}

/* 问卷 */
.quiz-header {
  margin-bottom: 16px;
  padding: 0 4px;
}

.progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
  border: 1px solid var(--card-border);
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent-deep));
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 12px;
  color: var(--ink-soft);
  text-align: right;
  letter-spacing: 0.05em;
}

.quiz-card {
  padding: 32px 30px;
}

.question {
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 24px;
  color: var(--ink);
  font-weight: 600;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}

.option {
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

@media (hover: hover) {
  .option:hover {
    border-color: var(--accent-soft);
    background: rgba(255, 255, 255, 0.95);
    transform: translateX(2px);
  }
  .primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px -8px rgba(46, 107, 80, 0.7);
  }
  .ghost-btn:hover:not(:disabled) {
    background: rgba(127, 184, 154, 0.18);
  }
}

.option .letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: white;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.option.selected {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(127, 184, 154, 0.22), rgba(74, 140, 110, 0.12));
}

.option.selected .letter {
  background: var(--accent-deep);
}

.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px dashed var(--card-border);
}

.hint {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

/* 结果 */
.result-card {
  text-align: center;
}

.result-name {
  font-size: 42px;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  margin: 4px 0 6px;
  font-weight: 700;
}

.result-title {
  font-size: 16px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 22px;
}

.result-desc {
  font-size: 15px;
  color: var(--ink);
  text-align: left;
  background: rgba(255, 255, 255, 0.5);
  padding: 18px 20px;
  border-radius: 12px;
  border-left: 3px solid var(--accent-soft);
  margin-bottom: 22px;
  line-height: 1.75;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.tag {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(127, 184, 154, 0.22);
  color: var(--accent-deep);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.result-section {
  text-align: left;
  margin-bottom: 24px;
}

.result-section h3 {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.ranking {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.ranking li {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--card-border);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ranking .rank-name {
  font-weight: 600;
  color: var(--ink);
}

.ranking .rank-score {
  color: var(--accent);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

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

.site-footer {
  text-align: center;
  font-size: 11px;
  color: var(--ink-soft);
  padding: 0 20px 24px;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

/* 平板与中等屏（541px ~ 720px）：略收紧 */
@media (max-width: 720px) {
  main#app {
    padding: 36px 18px 70px;
    padding-bottom: max(70px, env(safe-area-inset-bottom));
  }
  .card {
    padding: 34px 28px;
  }
  .title {
    font-size: 28px;
  }
  .question {
    font-size: 20px;
  }
}

/* 手机：全面缩进 */
@media (max-width: 540px) {
  main#app {
    padding: 20px 12px 56px;
    padding-bottom: max(56px, env(safe-area-inset-bottom));
    align-items: flex-start;
  }
  .card {
    padding: 24px 18px;
    border-radius: 16px;
  }
  .quiz-card {
    padding: 24px 18px;
  }
  .title {
    font-size: 24px;
    line-height: 1.35;
  }
  .lead {
    font-size: 14px;
  }
  .question {
    font-size: 18px;
    margin-bottom: 18px;
  }
  .options {
    gap: 8px;
  }
  .option {
    padding: 12px 14px;
    font-size: 14px;
    gap: 10px;
  }
  .option .letter {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
  .result-name {
    font-size: 32px;
  }
  .result-desc {
    font-size: 14px;
    padding: 14px 16px;
    line-height: 1.7;
  }
  .ranking {
    grid-template-columns: 1fr;
  }
  .meta {
    gap: 14px;
  }
  .actions {
    flex-direction: column;
    width: 100%;
  }
  .actions button {
    width: 100%;
  }
  .quiz-footer {
    justify-content: space-between;
  }
  .hint {
    font-size: 11px;
  }
}

/* 极窄屏（≤360px）：保证不挤压 */
@media (max-width: 360px) {
  .title {
    font-size: 22px;
  }
  .question {
    font-size: 17px;
  }
  .option {
    font-size: 13.5px;
    padding: 11px 12px;
  }
  .meta {
    flex-direction: column;
    gap: 6px;
  }
}