/* ============================================================
   心理测评 · H5 版
   Apple 风格 · 专业 · 简约
   ============================================================ */

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface2: #f5f5f7;
  --text: #1d1d1f;
  --text2: #6e6e73;
  --text3: #86868b;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --border: rgba(0,0,0,0.08);
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
  --radius: 18px;
  --radius-sm: 12px;
  --nav-bg: rgba(245,245,247,0.85);
  --success: #30b15e;
  --warning: #ff9f0a;
  --danger: #ff3b30;
}

[data-theme="dark"] {
  --bg: #000000;
  --surface: #1c1c1e;
  --surface2: #2c2c2e;
  --text: #f5f5f7;
  --text2: #ababab;
  --text3: #6e6e73;
  --accent: #2997ff;
  --accent-hover: #47aaff;
  --accent-soft: rgba(41, 151, 255, 0.12);
  --border: rgba(255,255,255,0.08);
  --shadow: 0 2px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --nav-bg: rgba(0,0,0,0.85);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }

/* ============================================================
   NAV
   ============================================================ */

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex; align-items: center;
}

.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex; align-items: center; gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 13px; color: var(--text2);
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all 0.2s;
  color: var(--text);
}
.theme-btn:hover { background: var(--surface2); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
  background: none; border: none;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none; position: fixed; top: 52px; left: 0; right: 0;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px; z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 12px 0;
  font-size: 15px; color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding: 130px 24px 70px;
  text-align: center;
  max-width: 760px; margin: 0 auto;
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 6px 14px; border-radius: 100px;
  font-size: 13px; font-weight: 500;
  margin-bottom: 24px;
}
.hero-tag::before { content: '•'; font-size: 10px; }

.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), #5ac8fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px; color: var(--text2);
  max-width: 480px; margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15px; font-weight: 500;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(0,113,227,0.3);
}
.hero-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(0,113,227,0.4);
}

.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  margin-top: 56px; padding-top: 44px;
  border-top: 1px solid var(--border);
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 26px; font-weight: 600; color: var(--text); display: block;
}
.stat-label { font-size: 13px; color: var(--text3); margin-top: 4px; }

/* ============================================================
   SECTION
   ============================================================ */

section { padding: 70px 24px; }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 48px; }

.section-tag {
  font-size: 12px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 12px; display: block;
}

.section-title {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 600; color: var(--text);
  letter-spacing: -0.01em;
}

.section-sub {
  font-size: 16px; color: var(--text2); margin-top: 10px;
}

/* ============================================================
   TESTS GRID
   ============================================================ */

.tests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.test-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative; overflow: hidden;
  cursor: pointer;
}

.test-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-color, var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}

.test-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.test-card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 18px;
  background: var(--icon-bg, var(--accent-soft));
}

.card-abbr {
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--card-color, var(--accent));
  margin-bottom: 6px;
}

.card-title {
  font-size: 17px; font-weight: 600; color: var(--text);
  margin-bottom: 8px; line-height: 1.4;
}

.card-desc {
  font-size: 14px; color: var(--text2);
  line-height: 1.65; flex: 1;
}

.card-lead {
  font-size: 13px; color: var(--text3);
  line-height: 1.6; flex: 1;
}

.card-meta {
  display: flex; align-items: center; gap: 16px;
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--border);
}

.meta-item {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--text3);
}

.card-tags {
  display: flex; gap: 6px; margin-bottom: 10px;
}

.card-tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.04em;
  padding: 3px 8px; border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}

.card-tag.hot { background: rgba(255, 159, 10, 0.12); color: #ff9f0a; }
.card-tag.new { background: rgba(48, 177, 94, 0.12); color: #30b15e; }

.card-arrow {
  margin-left: auto; font-size: 20px; color: var(--text3);
  transition: transform 0.2s, color 0.2s;
}
.test-card:hover .card-arrow { transform: translateX(4px); color: var(--card-color, var(--accent)); }

/* Category filter */
.cat-filter {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 8px; margin-bottom: 40px;
}
.cat-filter a {
  padding: 8px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 500; color: var(--text2);
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.cat-filter a:hover { border-color: var(--accent); color: var(--accent); }
.cat-filter a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ============================================================
   TEST PAGE (Quiz)
   ============================================================ */

.test-page {
  padding: 90px 24px 60px;
  max-width: 720px; margin: 0 auto;
}

.test-header {
  text-align: center; margin-bottom: 40px;
}

.test-header .card-abbr { margin-bottom: 4px; }

.test-header h1 {
  font-size: 26px; font-weight: 600;
  color: var(--text); margin-bottom: 8px;
}

.test-header .test-desc {
  font-size: 15px; color: var(--text2);
  max-width: 480px; margin: 0 auto;
}

.test-progress {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 36px;
}

.progress-track {
  flex: 1; height: 4px;
  background: var(--border);
  border-radius: 2px; overflow: hidden;
}

.progress-fill {
  height: 100%; border-radius: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 13px; color: var(--text3);
  white-space: nowrap;
  min-width: 48px; text-align: right;
}

.question-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  transition: opacity 0.2s;
}

.question-num {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.question-text {
  font-size: 20px; font-weight: 600;
  color: var(--text); line-height: 1.6;
  margin-bottom: 28px;
}

.options-list {
  display: flex; flex-direction: column; gap: 10px;
}

.option-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 15px;
  background: var(--surface);
}

.option-item:hover { border-color: var(--accent); background: var(--accent-soft); }

.option-item.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option-radio {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}

.option-item.selected .option-radio {
  border-color: var(--accent);
  background: var(--accent);
}

.option-radio::after {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: #fff; display: none;
}

.option-item.selected .option-radio::after { display: block; }

.option-label {
  font-size: 15px; color: var(--text); flex: 1;
}

/* ============================================================
   RATING SCALE (Likert 评分按钮)
   ============================================================ */

.rating-scale {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.rating-btn {
  flex: 1;
  min-width: 60px;
  padding: 14px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text2);
}

.rating-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.rating-btn .rating-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.rating-btn.selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.rating-btn.selected .rating-num {
  color: #fff;
}

/* ============================================================
   MBTI LIKERT SCALE (7点频谱滑块)
   ============================================================ */

.mbti-likert-scale {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.mbti-likert-btn {
  flex: 1;
  min-width: 36px;
  padding: 12px 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  font-size: 12px;
  color: var(--text2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.mbti-likert-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.mbti-likert-btn .likert-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.15s;
}

.mbti-likert-btn.selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.25);
}

.mbti-likert-btn.selected .likert-dot {
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.mbti-likert-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text3);
  margin-top: 6px;
  padding: 0 4px;
}

.mbti-question-context {
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* MBTI option style */
.option-item.mbti-opt {
  flex-direction: column; align-items: flex-start; gap: 6px;
  text-align: left;
}

.option-item.mbti-opt .option-mbti-tag {
  font-size: 11px; font-weight: 600; letter-spacing: 0.05em;
  color: var(--accent);
}

.test-nav {
  display: flex; gap: 12px;
}

.test-nav .btn { flex: 1; }

.question-dots {
  display: flex; justify-content: center; gap: 6px;
  margin-top: 28px; flex-wrap: wrap;
}

.question-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border); cursor: pointer;
  transition: all 0.2s;
}

.question-dot.answered { background: var(--accent-soft); }
.question-dot.current { background: var(--accent); transform: scale(1.3); }

/* ============================================================
   RESULT SECTION
   ============================================================ */

.result-section {
  max-width: 640px; margin: 0 auto;
}

.result-hero {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 32px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.result-hero .result-label {
  font-size: 12px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text3);
  margin-bottom: 12px;
}

.result-score {
  font-size: 80px; font-weight: 700;
  line-height: 1; color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.result-score-unit {
  font-size: 14px; color: var(--text3);
  margin-bottom: 20px;
}

.result-level {
  display: inline-block;
  padding: 8px 20px; border-radius: 100px;
  font-size: 15px; font-weight: 600;
}

.result-detail {
  display: flex; justify-content: center; gap: 40px;
  margin-top: 24px; padding-top: 24px;
  border-top: 1px solid var(--border);
}

.result-detail-item { text-align: center; }
.result-detail-item strong {
  display: block; font-size: 22px; font-weight: 600; color: var(--text);
}
.result-detail-item span {
  font-size: 12px; color: var(--text3); margin-top: 2px; display: block;
}

/* MBTI display */
.mbti-type {
  font-size: 64px; font-weight: 700; letter-spacing: 10px;
  line-height: 1.1; margin-bottom: 8px;
}

.mbti-name {
  font-size: 20px; font-weight: 600; margin-bottom: 8px;
}

.mbti-desc {
  font-size: 15px; color: var(--text2); line-height: 1.7;
  max-width: 400px; margin: 0 auto;
}

.mbti-dims {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 24px;
}

.mbti-dim {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.mbti-dim-label { font-weight: 600; }
.mbti-dim-value { color: var(--text2); }

/* MBTI Likert 维度条形图 */
.mbti-dim-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}

.mbti-dim-row .mbti-dim-label {
  flex-shrink: 0; width: 72px; font-size: 13px;
}

.mbti-dim-bar-wrap {
  flex: 1; height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.mbti-dim-bar-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 中点标记线 */
.mbti-dim-bar-wrap::after {
  content: '';
  position: absolute; left: 50%; top: -2px;
  width: 2px; height: 12px;
  background: var(--text3);
  border-radius: 1px;
}

/* Dimension bars */
.dim-list { margin-top: 12px; }

.dim-item { margin-bottom: 18px; }

.dim-item-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}

.dim-item-name { font-size: 15px; font-weight: 600; }
.dim-item-score { font-size: 13px; color: var(--text2); }

.dim-item-bar {
  height: 8px; background: var(--border);
  border-radius: 4px; overflow: hidden;
}

.dim-item-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.8s ease;
}

/* Suggestions */
.sug-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.sug-title {
  font-size: 20px; font-weight: 600; color: var(--text);
  margin-bottom: 20px;
}

.sug-list {
  list-style: none;
}

.sug-list li {
  padding: 12px 0; border-bottom: 1px solid var(--border);
  font-size: 15px; color: var(--text2);
  line-height: 1.7;
  display: flex; align-items: flex-start; gap: 10px;
}

.sug-list li::before { content: '·'; color: var(--accent); font-size: 18px; line-height: 1.2; }
.sug-list li:last-child { border-bottom: none; }

.dim-sug {
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 10px;
}

.dim-sug-title {
  font-size: 14px; font-weight: 600; margin-bottom: 6px;
}

.dim-sug-item {
  font-size: 13px; color: var(--text2); line-height: 1.7;
  padding: 3px 0 3px 14px; position: relative;
}

.dim-sug-item::before {
  content: '·'; position: absolute; left: 0;
  color: var(--text3);
}

/* ============================================================
   NOTICE
   ============================================================ */

.notice {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex; align-items: flex-start; gap: 16px;
  margin: 20px 0;
}

.notice-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.notice-text { font-size: 14px; color: var(--text2); line-height: 1.7; }
.notice-text strong { color: var(--text); font-weight: 600; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer;
  font-size: 15px; font-weight: 500;
  padding: 13px 24px; border-radius: 100px;
  transition: all 0.2s;
}

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

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 14px rgba(0,113,227,0.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(0,113,227,0.35);
}

.btn-secondary {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--surface2); }

.btn-block { display: flex; width: 100%; }

.btn-sm { padding: 8px 18px; font-size: 13px; }

.result-actions {
  display: flex; gap: 12px; margin: 20px 0 32px;
}
.result-actions .btn { flex: 1; }

/* ============================================================
   RECOMMENDED TESTS
   ============================================================ */

.rec-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.rec-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  transition: background 0.15s; cursor: pointer;
}
.rec-item:last-child { border-bottom: none; }
.rec-item:hover { background: var(--surface2); }

.rec-icon {
  width: 40px; height: 40px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0; color: #fff;
}

.rec-info { flex: 1; min-width: 0; }

.rec-name {
  font-size: 15px; font-weight: 600; color: var(--text);
  margin-bottom: 2px;
}

.rec-meta {
  font-size: 12px; color: var(--text3);
}

.rec-arrow {
  font-size: 18px; color: var(--text3); flex-shrink: 0;
}

/* ============================================================
   EXPLAIN PAGE
   ============================================================ */

.explain-page {
  padding: 90px 24px 60px;
  max-width: 720px; margin: 0 auto;
}

.explain-hero {
  text-align: center; margin-bottom: 36px;
}

.explain-hero .explain-icon {
  width: 72px; height: 72px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; margin: 0 auto 20px; color: #fff;
}

.explain-hero h1 {
  font-size: 28px; font-weight: 600; margin-bottom: 10px;
}

.explain-hero .explain-desc {
  font-size: 15px; color: var(--text2);
  max-width: 480px; margin: 0 auto 16px;
  line-height: 1.7;
}

.explain-meta {
  display: flex; justify-content: center; gap: 32px;
  margin-top: 16px;
}

.explain-meta span {
  font-size: 13px; color: var(--text3);
}

/* ============================================================
   INFO CARDS
   ============================================================ */

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 16px;
}

.info-card h3 {
  font-size: 18px; font-weight: 600;
  color: var(--text); margin-bottom: 14px;
}

.info-card p {
  font-size: 15px; color: var(--text2);
  line-height: 1.75; margin-bottom: 10px;
}

.info-card p:last-child { margin-bottom: 0; }

.standard-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}

.standard-table th {
  text-align: left; padding: 10px 12px;
  font-size: 12px; font-weight: 500;
  color: var(--text3); letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

.standard-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
}

.standard-table tr:last-child td { border-bottom: none; }

.standard-dot {
  display: inline-block; width: 10px; height: 10px;
  border-radius: 3px; margin-right: 8px; vertical-align: middle;
}

.explain-actions {
  display: flex; gap: 12px; margin: 28px 0 40px;
}
.explain-actions .btn { flex: 1; }

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  text-align: center; padding: 60px 20px;
}

.empty-state h3 {
  font-size: 18px; font-weight: 600;
  color: var(--text); margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px; color: var(--text2);
  margin-bottom: 20px;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  margin-top: 20px;
}

.footer-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}

.footer-brand { font-size: 14px; color: var(--text2); }

.footer-links {
  display: flex; gap: 20px; list-style: none;
}

.footer-links a {
  font-size: 13px; color: var(--text3);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text2); }

.footer-note {
  font-size: 12px; color: var(--text3); text-align: center;
  width: 100%; margin-top: 8px;
}

.footer-icp {
  font-size: 12px; text-align: center;
  width: 100%; margin-top: 4px;
}

.footer-icp a {
  color: var(--text3); text-decoration: none;
  transition: color 0.15s;
}

.footer-icp a:hover { color: var(--accent); }

/* ============================================================
   TOAST
   ============================================================ */

.toast {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: rgba(29, 29, 31, 0.9); color: #fff;
  padding: 12px 24px; border-radius: 100px;
  font-size: 14px; z-index: 9999;
  opacity: 0; pointer-events: none;
  transition: all 0.2s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up:nth-child(1) { animation-delay: 0.05s; }
.fade-up:nth-child(2) { animation-delay: 0.12s; }
.fade-up:nth-child(3) { animation-delay: 0.19s; }
.fade-up:nth-child(4) { animation-delay: 0.26s; }
.fade-up:nth-child(5) { animation-delay: 0.33s; }
.fade-up:nth-child(6) { animation-delay: 0.40s; }
.fade-up:nth-child(7) { animation-delay: 0.47s; }

.section-divider {
  border: none; border-top: 1px solid var(--border);
  margin: 0;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; font-size: 13px;
  padding: 16px 0; margin-bottom: 8px;
  color: var(--text3);
}

.breadcrumb a {
  color: var(--text3); transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--accent); }

.breadcrumb .sep {
  color: var(--border); user-select: none;
}

.breadcrumb .current {
  color: var(--text2); font-weight: 500;
}

/* ============================================================
   INTRO PAGE (Test Detail / EEAT)
   ============================================================ */

.intro-page {
  padding: 90px 24px 60px;
  max-width: 760px; margin: 0 auto;
}

.intro-hero {
  text-align: center; margin-bottom: 40px;
}

.intro-hero .intro-abbr {
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 8px;
}

.intro-hero h1 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600; color: var(--text);
  margin-bottom: 10px;
}

.intro-hero .intro-desc {
  font-size: 16px; color: var(--text2);
  max-width: 520px; margin: 0 auto;
  line-height: 1.7;
}

.intro-meta-row {
  display: flex; justify-content: center; gap: 32px;
  margin-top: 18px;
}

.intro-meta-row span {
  font-size: 13px; color: var(--text3);
  display: flex; align-items: center; gap: 4px;
}

/* EEAT Info Cards */
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px; margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.info-card h3 {
  font-size: 18px; font-weight: 600;
  color: var(--text); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}

.info-card h3 .info-icon {
  font-size: 18px; flex-shrink: 0;
}

.info-card p {
  font-size: 15px; color: var(--text2);
  line-height: 1.75; margin-bottom: 10px;
}
.info-card p:last-child { margin-bottom: 0; }

/* About list */
.about-list {
  list-style: none; padding: 0;
}

.about-list li {
  padding: 8px 0; font-size: 15px; color: var(--text2);
  line-height: 1.75; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 10px;
}
.about-list li:last-child { border-bottom: none; }

.about-list li::before {
  content: '•'; color: var(--accent); font-size: 16px;
  line-height: 1.3; flex-shrink: 0;
}

/* Standards table */
.standard-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}

.standard-table thead th {
  text-align: left; padding: 10px 12px;
  font-size: 12px; font-weight: 500;
  color: var(--text3); letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

.standard-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text2); line-height: 1.5;
}

.standard-table tbody tr:last-child td { border-bottom: none; }

.standard-dot {
  display: inline-block; width: 10px; height: 10px;
  border-radius: 3px; margin-right: 8px; vertical-align: middle;
}

/* Applicable tags */
.applicable-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}

.applicable-tag {
  padding: 6px 14px; border-radius: 100px;
  font-size: 13px; font-weight: 500;
  background: var(--accent-soft);
  color: var(--accent);
}

/* Notice list */
.notice-list {
  list-style: none; padding: 0;
}

.notice-list li {
  padding: 8px 0; font-size: 14px; color: var(--text2);
  line-height: 1.7; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 10px;
}
.notice-list li:last-child { border-bottom: none; }

.notice-list li::before {
  content: '⚠'; font-size: 14px; flex-shrink: 0;
}

/* Source reference */
.source-ref {
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 16px 20px; margin-top: 12px;
  font-size: 13px; color: var(--text3);
  line-height: 1.7;
}

.source-ref strong { color: var(--text2); font-weight: 600; }

/* CTA section */
.intro-cta {
  text-align: center; padding: 24px 0;
}

.intro-cta .btn {
  font-size: 16px; padding: 16px 48px;
}

.intro-cta .cta-hint {
  font-size: 13px; color: var(--text3); margin-top: 12px;
}

/* ============================================================
   EEAT SECTIONS (Homepage / Category)
   ============================================================ */

.eeat-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
}

.eeat-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
}

.eeat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-bottom: 48px;
}

.eeat-card {
  text-align: center; padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--surface2);
  border: 1px solid var(--border);
}

.eeat-card-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin: 0 auto 16px;
  background: var(--accent-soft);
}

.eeat-card h4 {
  font-size: 16px; font-weight: 600; color: var(--text);
  margin-bottom: 8px;
}

.eeat-card p {
  font-size: 14px; color: var(--text2);
  line-height: 1.6;
}

/* How it works */
.how-steps {
  display: flex; justify-content: center; gap: 40px;
  flex-wrap: wrap;
}

.how-step {
  display: flex; align-items: flex-start; gap: 16px;
  max-width: 280px;
}

.how-step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 600; flex-shrink: 0;
}

.how-step-text h4 {
  font-size: 15px; font-weight: 600; color: var(--text);
  margin-bottom: 4px;
}

.how-step-text p {
  font-size: 13px; color: var(--text2); line-height: 1.6;
}

/* FAQ */
.faq-list {
  max-width: 720px; margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item:first-child { padding-top: 0; }
.faq-item:last-child { border-bottom: none; }

.faq-q {
  font-size: 16px; font-weight: 600; color: var(--text);
  margin-bottom: 8px;
}

.faq-a {
  font-size: 14px; color: var(--text2);
  line-height: 1.7;
}

/* Disclaimer */
.disclaimer {
  background: var(--surface2);
  border: 1px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: 20px 24px; margin-top: 32px;
  display: flex; align-items: flex-start; gap: 14px;
}

.disclaimer-icon {
  font-size: 20px; flex-shrink: 0; margin-top: 1px;
}

.disclaimer-text {
  font-size: 13px; color: var(--text2);
  line-height: 1.7;
}
.disclaimer-text strong { color: var(--text); }

/* Popular scroll */
.popular-section {
  padding: 0 24px; margin-bottom: 50px;
}

.popular-inner {
  max-width: 1080px; margin: 0 auto;
}

.popular-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}

.popular-title {
  font-size: 20px; font-weight: 600; color: var(--text);
}

.popular-scroll {
  display: flex; gap: 16px; overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.popular-scroll::-webkit-scrollbar { display: none; }

.popular-card {
  min-width: 260px; scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  flex-shrink: 0; cursor: pointer;
}

.popular-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.popular-card .card-abbr { margin-bottom: 4px; }

.popular-card h4 {
  font-size: 16px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}

.popular-card .card-lead {
  font-size: 13px; color: var(--text3);
  line-height: 1.5; margin-bottom: 12px;
}

.popular-card .card-meta {
  display: flex; gap: 12px;
  font-size: 12px; color: var(--text3);
}

/* Category hero */
.cat-hero {
  padding: 100px 24px 40px;
  text-align: center; max-width: 640px; margin: 0 auto;
}

.cat-hero .cat-icon {
  font-size: 40px; margin-bottom: 16px; display: block;
}

.cat-hero h1 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600; color: var(--text);
  margin-bottom: 10px;
}

.cat-hero .cat-desc {
  font-size: 16px; color: var(--text2);
  line-height: 1.7; margin-bottom: 20px;
}

.cat-hero .cat-count {
  font-size: 13px; color: var(--text3);
}

/* ============================================================
   SCHEMA / SEO (visually hidden)
   ============================================================ */

.schema-hidden {
  display: none;
}

/* ============================================================
   PRINT
   ============================================================ */

@media print {
  nav, .mobile-menu, .test-nav, .question-dots,
  .result-actions, .rec-list, footer, .intro-cta,
  .hero-cta, #catFilter { display: none !important; }

  body { background: #fff; color: #000; font-size: 12pt; }

  .test-page, .intro-page, .result-section {
    padding: 0; max-width: 100%;
  }

  .result-hero, .sug-card, .info-card, .notice {
    box-shadow: none; border: 1px solid #ddd; break-inside: avoid;
  }

  .result-score { font-size: 36pt; }

  .notice { background: #fffbe6; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .tests-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .tests-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 20px 50px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  section { padding: 50px 20px; }
  .question-block { padding: 28px 20px; }
  .question-text { font-size: 18px; }
  .result-score { font-size: 60px; }
  .result-detail { gap: 24px; }
  .mbti-type { font-size: 48px; letter-spacing: 6px; }
  .mbti-dims { grid-template-columns: 1fr; }
  .cat-filter { gap: 6px; }
  .cat-filter a { padding: 6px 14px; font-size: 12px; }
}

@media (max-width: 640px) {
  .eeat-grid { grid-template-columns: 1fr; }
  .how-steps { flex-direction: column; align-items: center; }
  .popular-card { min-width: 220px; }
  .intro-page, .explain-page { padding: 80px 16px 40px; }
  .info-card { padding: 24px 20px; }
  .standard-table { font-size: 13px; }
  .standard-table td, .standard-table th { padding: 8px; }
  .intro-cta .btn { width: 100%; }
  .popular-scroll { gap: 12px; }
  .cat-hero { padding: 80px 16px 30px; }
}

@media (max-width: 400px) {
  .hero-stats { gap: 16px; }
  .hero h1 { font-size: 28px; }
}