:root {
  --bg: #f7f5f0;
  --card: #ffffff;
  --text: #2b2118;
  --text-secondary: #6b5e51;
  --primary: #8b3a1f;
  --primary-light: #b85c3d;
  --border: #e5e0d6;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(43, 33, 24, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ---- 顶部导航栏 ---- */
.top-nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 1px;
}

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

.nav-credits {
  background: #f0ece3;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

.nav-actions .btn-text {
  font-size: 14px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 32px;
  margin: 0 0 8px;
  letter-spacing: 2px;
}

.subtitle {
  color: var(--text-secondary);
  margin: 0;
  font-size: 15px;
}

.hero-desc {
  color: var(--text-secondary);
  margin: 12px 0 0;
  font-size: 14px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 20px;
}

.card h2 {
  margin: 0 0 20px;
  font-size: 20px;
  color: var(--text);
}

.form-row {
  margin-bottom: 18px;
}

.form-row label span {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--primary-light);
}

.btn-primary:disabled {
  background: var(--text-secondary);
  cursor: not-allowed;
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: 14px;
}

.radio-group,
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 8px 0;
}

.radio-group label,
.checkbox-group label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
}

.radio-group input,
.checkbox-group input {
  margin: 0;
  cursor: pointer;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  margin: 0 2px;
}

.footer a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
}

.footer p { margin: 4px 0; }

/* ---- 登录/注册弹窗 ---- */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.auth-modal {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
}

.auth-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.auth-header h3 {
  margin: 0;
  font-size: 20px;
}

.auth-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  line-height: 1;
}

.auth-field {
  margin-bottom: 16px;
}

.auth-field label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
}

.auth-error {
  color: #c0392b;
  font-size: 14px;
  min-height: 20px;
  margin-bottom: 8px;
}

.auth-submit {
  margin-top: 8px;
}

.auth-tip {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 16px 0 0;
}

.auth-toggle {
  text-align: center;
  font-size: 14px;
  color: var(--primary);
  cursor: pointer;
  margin: 16px 0 0;
}

/* Report page */
.report-header {
  text-align: center;
  margin-bottom: 24px;
}

.report-header h1 {
  font-size: 24px;
  margin: 0 0 8px;
}

.bazi-card {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.bazi-pillar {
  flex: 1;
  min-width: 60px;
  text-align: center;
  padding: 14px 8px;
  background: #faf8f4;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.bazi-pillar .label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.bazi-pillar .gan {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
}

.bazi-pillar .zhi {
  font-size: 22px;
  font-weight: 600;
}

/* 四柱五行染色：木火土金水 */
.bazi-pillar .gan.wx-木,
.bazi-pillar .zhi.wx-木 { color: #4a7c2e; }

.bazi-pillar .gan.wx-火,
.bazi-pillar .zhi.wx-火 { color: #c0392b; }

.bazi-pillar .gan.wx-土,
.bazi-pillar .zhi.wx-土 { color: #8b6f3d; }

.bazi-pillar .gan.wx-金,
.bazi-pillar .zhi.wx-金 { color: #6b7280; }

.bazi-pillar .gan.wx-水,
.bazi-pillar .zhi.wx-水 { color: #2c5f9e; }

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag {
  padding: 6px 12px;
  background: #f0ece3;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text);
}

.section {
  margin-bottom: 24px;
}

.section h3 {
  font-size: 17px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.section p {
  margin: 0 0 10px;
  font-size: 15px;
}

.paywall {
  text-align: center;
  padding: 32px;
  background: linear-gradient(180deg, #faf8f4 0%, #fff 100%);
  border: 1px dashed var(--primary-light);
  border-radius: var(--radius);
  margin: 24px 0;
}

.paywall h3 {
  margin: 0 0 12px;
  color: var(--primary);
}

.paywall .price {
  font-size: 32px;
  font-weight: 700;
  margin: 12px 0;
}

.paywall .price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.paywall .reward-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 6px 0 14px;
  line-height: 1.5;
}

.full-report .section {
  background: #faf8f4;
  padding: 20px;
  border-radius: 8px;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.error {
  color: #c0392b;
  background: #fdecea;
  padding: 12px;
  border-radius: 8px;
  margin: 12px 0;
}

.success-box {
  color: #1a7f37;
  background: #e8f5e9;
  padding: 16px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 14px;
}

/* ---- 追问区 ---- */
.ask-section {
  margin-top: 20px;
}

.ask-section h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.ask-tip {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.suggested-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.sq-btn {
  background: #f0ece3;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.sq-btn:hover {
  background: #e5e0d6;
}

.ask-input-area {
  margin-top: 12px;
}

.ask-input {
  width: 100%;
  min-height: 80px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
  resize: vertical;
  font-family: inherit;
  margin-bottom: 12px;
}

.ask-submit-btn {
  width: auto;
  padding: 10px 24px;
}

.qa-item {
  background: #faf8f4;
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
}

.qa-question {
  margin-bottom: 8px;
  font-size: 14px;
}

.qa-answer {
  font-size: 15px;
  line-height: 1.7;
  white-space: pre-wrap;
}

.qa-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ---- 充值页 ---- */
.plan-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.plan-card.selected {
  border-color: var(--primary);
  background: #faf8f4;
}

.plan-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.plan-credits {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.plan-price {
  font-size: 14px;
  color: var(--primary);
}

.plan-card input[type="radio"] {
  accent-color: var(--primary);
}

.reward-section,
.order-section {
  margin: 20px 0;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.reward-tip {
  font-size: 14px;
  color: var(--text);
  margin: 0 0 12px;
  font-weight: 500;
}

.reward-code {
  max-width: 220px;
  width: 70%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.order-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
  margin: 8px 0;
  font-family: monospace;
  letter-spacing: 1px;
}

@media (max-width: 480px) {
  .container { padding: 24px 16px; }
  .hero h1 { font-size: 26px; }
  .bazi-pillar { min-width: 48px; }
  .nav-inner { padding: 10px 16px; }
  .nav-logo { font-size: 16px; }
  .nav-actions { gap: 8px; }
  .nav-credits { font-size: 12px; padding: 3px 8px; }
}