/* RonVue — 尺码指南页专属样式 */
:root {
  --navy: #0a1628;
  --navy-light: #152238;
  --ink: #1a1a2e;
  --ink-soft: #4a4a5a;
  --ink-dim: #888;
  --line: #e5e5e5;
  --ivory: #fafaf8;
  --white: #fff;
  --on-navy: #fff;
}

.sg-wrap { background: var(--white); min-height: 100vh; }
.sg-container { max-width: 860px; margin: 0 auto; padding: 100px 24px 60px; }

.sg-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  font-size: 2rem; color: var(--navy); margin-bottom: 0.5rem; line-height: 1.3;
}
.sg-subtitle { font-size: 0.88rem; color: var(--ink-dim); margin-bottom: 2.5rem; }

.sg-section { margin-bottom: 2.5rem; }
.sg-section-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  font-size: 1.2rem; color: var(--navy); margin-bottom: 1rem;
  padding-bottom: 0.6rem; border-bottom: 2px solid var(--navy);
}

.sg-table {
  width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-bottom: 1rem;
}
.sg-table th, .sg-table td {
  padding: 0.65rem 0.8rem; border: 1px solid var(--line); text-align: center;
}
.sg-table th {
  background: var(--navy); color: var(--on-navy); font-weight: 500;
  font-size: 0.78rem; letter-spacing: 0.08em;
}
.sg-table td { color: var(--ink-soft); }
.sg-table tr:nth-child(even) td { background: rgba(0,0,0,0.02); }
.sg-table .sg-highlight { background: rgba(168,142,106,0.12) !important; font-weight: 500; color: var(--cyan-deep); }

.sg-table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.sg-note {
  font-size: 0.82rem; color: var(--ink-dim); line-height: 1.8;
  padding: 1rem 1.2rem; background: rgba(10,22,40,0.03); border-radius: 6px; margin-top: 0.8rem;
}
.sg-note strong { color: var(--navy); }

.sg-accordion { margin-bottom: 1rem; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.sg-acc-header {
  padding: 1rem 1.2rem; cursor: pointer; background: var(--white);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.95rem; font-weight: 500; color: var(--navy);
  user-select: none; transition: background 0.2s;
}
.sg-acc-header:hover { background: rgba(10,22,40,0.03); }
.sg-acc-header::after { content: '+'; font-size: 1.2rem; color: var(--ink-dim); }
.sg-acc-body { display: none; padding: 0 1.2rem 1.2rem; background: var(--white); }


@media (max-width: 600px) {
  .sg-container { padding: 80px 16px 40px; }
  .sg-title { font-size: 1.5rem; }
}