/* ── 文山AI工匠 · 统一设计系统 ── */
:root {
  --bg-main: #060e1e;
  --bg-card: rgba(255,255,255,0.02);
  --bg-card-hover: rgba(255,255,255,0.04);
  --border-card: rgba(255,255,255,0.06);
  --border-gold: rgba(255,213,79,0.15);
  --gold: #ffd54f;
  --gold-gradient: linear-gradient(135deg,#ffd54f,#ffb300);
  --blue: #64b5f6;
  --text: #fff;
  --text-dim: rgba(255,255,255,0.55);
  --text-muted: rgba(255,255,255,0.3);
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-sm: 8px;
  --content-max: 600px;
  --content-max-lg: 800px;
  --space-section: 24px;
  --font: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: var(--font);
  background: linear-gradient(135deg,#060e1e 0%,#0a2a5e 50%,#060e1e 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}
.page {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-section);
}
@media (min-width: 601px) {
  .page { max-width: var(--content-max-lg); }
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  margin-bottom: 14px;
}
.card h3 { font-size: 16px; font-weight: 700; color: var(--gold); margin-bottom: 10px; }
.card p, .card li { font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.card ul { list-style: none; padding: 0; }
.card li { padding-left: 14px; position: relative; margin-bottom: 6px; }
.card li::before { content: '›'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.badge {
  display: inline-block;
  background: rgba(255,213,79,0.1);
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border-gold);
}
h1 { font-size: 30px; font-weight: 900; line-height: 1.2; margin-bottom: 4px; }
h1 .hl { background: var(--gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.sub { font-size: 14px; color: var(--text-dim); font-weight: 300; margin-bottom: 20px; line-height: 1.6; }
.highlight {
  background: rgba(255,213,79,0.03);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 14px;
}
.highlight p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.highlight strong { color: var(--gold); }
.btn-gold {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--gold-gradient);
  color: #060e1e;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: opacity 0.2s;
}
.btn-gold:hover { opacity: 0.9; }
.btn-gold:active { transform: scale(0.98); }
.steps { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.step {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
}
.step .num {
  width: 28px; height: 28px; display: flex;
  align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,213,79,0.08);
  color: var(--gold);
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}
.step p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
@media (min-width: 601px) {
  .steps { flex-direction: row; gap: 10px; }
  .step { flex: 1; flex-direction: column; text-align: center; padding: 20px 14px; }
  h1 { font-size: 38px; }
}
.price-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.price-row:last-child { border-bottom: none; }
.price-label { font-size: 14px; color: var(--text-dim); }
.price-val { font-size: 16px; font-weight: 700; color: var(--gold); }