/* ============================
   Legal pages - 水墨国风样式
   ============================ */

:root {
  --paper: #F5F0E8;
  --ink-dark: #2C2C2C;
  --ink-light: #8B7D6B;
  --seal-red: #C0392B;
  --bamboo: #2E8B57;
  --mountain: #5D6D7E;
}

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

body {
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 28px,
      rgba(139,125,107,0.04) 28px,
      rgba(139,125,107,0.04) 29px
    );
  color: var(--ink-dark);
  font-family: 'Noto Serif SC', 'STSong', 'SimSun', 'Crimson Text', Georgia, serif;
  line-height: 1.8;
  min-height: 100vh;
}

/* Header */
.legal-header {
  text-align: center;
  padding: 28px 16px 12px;
  border-bottom: 1px solid rgba(139,125,107,0.2);
  position: relative;
}

.back-link {
  display: inline-block;
  position: absolute;
  left: 16px;
  top: 28px;
  color: var(--mountain);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--seal-red);
}

.legal-main-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--ink-dark);
}

/* Tab navigation */
.legal-nav {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 12px 16px;
  flex-wrap: wrap;
}

.legal-tab {
  background: rgba(139,125,107,0.08);
  border: 1px solid rgba(139,125,107,0.15);
  color: var(--ink-light);
  font-family: 'Noto Serif SC', 'STSong', serif;
  font-size: 0.8rem;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.25s;
  border-radius: 2px;
}

.legal-tab small {
  display: block;
  font-family: 'Crimson Text', Georgia, serif;
  font-size: 0.65rem;
  margin-top: 2px;
  opacity: 0.7;
}

.legal-tab:hover {
  background: rgba(139,125,107,0.15);
  color: var(--ink-dark);
}

.legal-tab.active {
  background: var(--seal-red);
  color: #fff;
  border-color: var(--seal-red);
}

.legal-tab.active small {
  opacity: 0.85;
}

/* Section content */
.legal-section {
  display: none;
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.legal-section.active {
  display: block;
}

.legal-section article {
  margin-bottom: 48px;
  padding-bottom: 36px;
  border-bottom: 1px dashed rgba(139,125,107,0.2);
}

.legal-section article:last-of-type {
  border-bottom: none;
}

.legal-section article[lang="en"] {
  padding-top: 16px;
}

.legal-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  color: var(--ink-dark);
  position: relative;
  display: inline-block;
}

.legal-section h2::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--seal-red);
}

.legal-section h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--ink-dark);
  letter-spacing: 0.05em;
}

.legal-section p {
  font-size: 0.88rem;
  margin-bottom: 10px;
  text-align: justify;
}

.legal-section ul {
  padding-left: 20px;
  margin-bottom: 10px;
}

.legal-section li {
  font-size: 0.85rem;
  margin-bottom: 4px;
  line-height: 1.7;
}

.effective-date {
  color: var(--mountain);
  font-size: 0.82rem !important;
  margin-bottom: 16px !important;
}

.legal-section a {
  color: var(--seal-red);
  text-decoration: none;
  transition: opacity 0.2s;
}

.legal-section a:hover {
  opacity: 0.75;
  text-decoration: underline;
}

/* Page footer */
.legal-page-footer {
  text-align: center;
  padding: 20px 16px 28px;
  border-top: 1px solid rgba(139,125,107,0.2);
  margin-top: 20px;
}

.legal-page-footer p {
  font-size: 0.75rem;
  color: var(--ink-light);
  margin-bottom: 4px;
  line-height: 1.6;
}

.legal-page-footer a {
  color: var(--seal-red);
  text-decoration: none;
}

.legal-page-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  .back-link {
    position: static;
    display: block;
    margin-bottom: 8px;
    text-align: center;
  }

  .legal-header {
    padding-top: 16px;
  }

  .legal-nav {
    gap: 4px;
    padding: 8px 8px;
  }

  .legal-tab {
    font-size: 0.72rem;
    padding: 6px 10px;
  }

  .legal-section {
    padding: 16px 14px 32px;
  }

  .legal-section h2 {
    font-size: 1.15rem;
  }

  .legal-section h3 {
    font-size: 0.88rem;
  }
}