:root {
  --bazi-bg: #f7f6f2;
  --bazi-paper: #fffdfa;
  --bazi-ink: #171512;
  --bazi-muted: #6d6860;
  --bazi-line: #d9d4ca;
  --bazi-blue: #114b8b;
  --bazi-brown: #7a2f1d;
  --bazi-green: #1d6f5a;
  --bazi-warm: #fff8e6;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bazi-bg);
  color: var(--bazi-ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.bazi-page {
  width: min(980px, calc(100% - 28px));
  margin: 0 auto;
  padding: 16px 0 34px;
}

.bazi-header {
  padding-bottom: 16px;
}

.bazi-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 4px 0 20px;
}

.bazi-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 10px;
  border: 1px solid #d8cbb8;
  border-radius: 8px;
  background: #fffaf0;
  box-shadow: 0 10px 30px rgba(37, 32, 24, 0.08);
  color: #252018;
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}

.bazi-nav a.is-active {
  background: var(--bazi-brown);
  border-color: var(--bazi-brown);
  color: #fff;
}

.bazi-title {
  padding: 18px 0 10px;
  text-align: center;
}

.bazi-title span {
  display: block;
  color: var(--bazi-blue);
  font-size: 15px;
  font-weight: 800;
}

.bazi-title h1 {
  margin: 8px 0;
  font-size: clamp(36px, 6vw, 54px);
  line-height: 1.05;
}

.bazi-title p,
.bazi-muted,
.bazi-hint,
.bazi-status {
  margin: 0;
  color: var(--bazi-muted);
  font-size: 16px;
  line-height: 1.65;
}

.bazi-view {
  display: none;
}

.bazi-view.is-active {
  display: block;
}

.bazi-panel {
  margin-top: 16px;
  padding: 22px;
  border: 1px solid var(--bazi-line);
  border-radius: 8px;
  background: var(--bazi-paper);
}

.bazi-panel h2 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
}

.bazi-panel h3 {
  margin: 20px 0 10px;
  font-size: 20px;
}

.bazi-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.bazi-form label,
.bazi-advanced label {
  display: grid;
  gap: 7px;
  font-size: 15px;
  font-weight: 800;
}

.bazi-form input,
.bazi-form select,
.bazi-advanced input,
.bazi-advanced select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--bazi-line);
  border-radius: 6px;
  background: #fff;
  color: var(--bazi-ink);
  font-size: 16px;
}

.bazi-advanced {
  grid-column: 1 / -1;
  padding: 12px 14px;
  border: 1px solid #ead9bd;
  border-radius: 8px;
  background: var(--bazi-warm);
}

.bazi-advanced summary {
  color: var(--bazi-blue);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

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

.bazi-hint,
.bazi-status,
.bazi-primary {
  grid-column: 1 / -1;
}

.bazi-primary,
.bazi-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  border-radius: 6px;
  background: var(--bazi-blue);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
}

.bazi-primary {
  width: 100%;
}

.bazi-back {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid #caa58b;
  background: #fff;
  color: var(--bazi-brown);
}

.bazi-result-top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.bazi-pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.bazi-pillar {
  min-width: 0;
  padding: 12px 6px;
  border: 1px solid #edd9a0;
  border-radius: 8px;
  background: var(--bazi-warm);
  text-align: center;
}

.bazi-pillar span {
  display: block;
  color: var(--bazi-muted);
  font-size: 13px;
  font-weight: 800;
}

.bazi-pillar strong {
  display: block;
  margin-top: 4px;
  font-size: clamp(20px, 5vw, 29px);
  line-height: 1.15;
  white-space: nowrap;
}

.bazi-facts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.bazi-fact {
  min-width: 0;
  padding: 8px 7px;
  border: 1px solid var(--bazi-line);
  border-radius: 8px;
  background: #fff;
}

.bazi-fact span {
  display: block;
  color: var(--bazi-muted);
  font-size: 12px;
  font-weight: 800;
}

.bazi-fact strong {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.bazi-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 12px 0 0;
}

.bazi-tab {
  min-height: 40px;
  border: 1px solid var(--bazi-line);
  border-radius: 6px;
  background: #fff;
  color: #384150;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.bazi-tab.is-active {
  background: var(--bazi-green);
  border-color: var(--bazi-green);
  color: #fff;
}

.bazi-tabpage {
  display: none;
}

.bazi-tabpage.is-active {
  display: block;
}

.bazi-quotes {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.bazi-quote {
  padding: 12px 14px;
  border-left: 4px solid var(--bazi-brown);
  border-radius: 6px;
  background: #fffdf8;
}

.bazi-quote h3 {
  margin: 0 0 8px;
  color: var(--bazi-blue);
  font-size: 19px;
  line-height: 1.35;
}

.bazi-quote p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
}

.bazi-quote-source {
  margin-top: 8px;
  color: var(--bazi-muted);
  font-size: 13px;
  line-height: 1.5;
}

.bazi-piyu {
  padding: 14px;
  border-radius: 8px;
  background: #f1ebe1;
}

.bazi-piyu p {
  margin: 10px 0;
  font-size: 17px;
  line-height: 1.8;
}

.bazi-tag {
  display: inline-block;
  margin: 2px 4px 6px 0;
  padding: 4px 9px;
  border: 1px solid #c8d8d3;
  border-radius: 999px;
  background: #eef8f5;
  color: #18594d;
  font-size: 13px;
  font-weight: 800;
}

.bazi-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.bazi-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--bazi-line);
  background: #fff;
  font-size: 14px;
}

.bazi-table-wrap th,
.bazi-table-wrap td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--bazi-line);
  text-align: left;
  vertical-align: top;
}

.bazi-table-wrap th {
  color: var(--bazi-muted);
  background: #fbfcfd;
  font-weight: 800;
}

.bazi-bars {
  display: grid;
  gap: 9px;
}

.bazi-bar {
  display: grid;
  grid-template-columns: 42px 1fr 44px;
  gap: 8px;
  align-items: center;
  font-size: 14px;
}

.bazi-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #eef2f6;
}

.bazi-fill {
  height: 100%;
  background: var(--bazi-green);
}

.bazi-reading-cta {
  display: flex;
  justify-content: center;
  padding: 18px 0 6px;
}

.bazi-reading-button {
  min-width: min(260px, 100%);
  min-height: 50px;
  padding: 0 30px;
  border: 0;
  border-radius: 7px;
  background: var(--bazi-brown);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  cursor: pointer;
}

.bazi-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(23, 21, 18, 0.58);
}

.bazi-modal-backdrop[hidden] {
  display: none;
}

.bazi-modal {
  width: min(560px, 100%);
  max-height: min(760px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid var(--bazi-line);
  border-radius: 8px;
  background: var(--bazi-paper);
  box-shadow: 0 18px 60px rgba(23, 21, 18, 0.25);
}

.bazi-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 0;
}

.bazi-modal-head h2 {
  margin: 0;
  font-size: 24px;
}

.bazi-modal-close {
  width: 42px;
  height: 42px;
  border: 1px solid var(--bazi-line);
  border-radius: 999px;
  background: #fff;
  color: var(--bazi-ink);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.bazi-reading-form {
  display: grid;
  gap: 12px;
  padding: 18px 20px 22px;
}

.bazi-reading-form label {
  display: grid;
  gap: 7px;
  font-size: 15px;
  font-weight: 800;
}

.bazi-reading-form input,
.bazi-reading-form textarea {
  width: 100%;
  border: 1px solid var(--bazi-line);
  border-radius: 6px;
  background: #fff;
  color: var(--bazi-ink);
  font-size: 16px;
}

.bazi-reading-form input {
  min-height: 44px;
}

.bazi-reading-form textarea {
  min-height: 100px;
  resize: vertical;
}

.bazi-privacy-check {
  display: flex !important;
  align-items: flex-start;
  gap: 8px !important;
  color: var(--bazi-muted);
  font-size: 14px !important;
  font-weight: 600 !important;
  line-height: 1.5;
}

.bazi-privacy-check input {
  width: 16px;
  min-width: 16px;
  height: 16px;
  min-height: 16px;
  margin-top: 3px;
}

.bazi-bot-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.bazi-submission-preview {
  padding: 10px 12px;
  border: 1px solid #ead9bd;
  border-radius: 8px;
  background: var(--bazi-warm);
}

.bazi-submission-preview summary {
  color: var(--bazi-blue);
  font-weight: 800;
  cursor: pointer;
}

.bazi-submission-preview pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.55;
}

.bazi-modal-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

@media (max-width: 720px) {
  .bazi-page {
    width: min(100% - 22px, 980px);
    padding-top: 12px;
  }

  .bazi-nav {
    gap: 8px;
  }

  .bazi-nav a {
    min-height: 46px;
    padding: 9px 4px;
    font-size: 14px;
  }

  .bazi-panel {
    padding: 16px;
  }

  .bazi-form,
  .bazi-advanced-grid {
    grid-template-columns: 1fr;
  }

  .bazi-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bazi-result-top {
    align-items: flex-start;
  }

  .bazi-pillars {
    gap: 6px;
  }

  .bazi-pillar {
    padding: 10px 3px;
  }

  .bazi-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bazi-tab {
    font-size: 14px;
  }

  .bazi-reading-button {
    width: 100%;
  }

  .bazi-modal {
    max-height: calc(100vh - 28px);
  }

  .bazi-modal-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 390px) {
  .bazi-pillar span {
    font-size: 12px;
  }

  .bazi-pillar strong {
    font-size: 18px;
  }

  .bazi-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bazi-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}