/* 全培训站共享首页字阶；页面样式只负责各自的布局与颜色。 */
:root {
  --body: "Proposal Sans", "PingFang SC", sans-serif;
  --display: "Proposal Display", "Proposal Sans", sans-serif;
  --hero-title-size: clamp(36px, 4vw, 66px);
  --title-size: clamp(32px, 3vw, 44px);
  --card-title-size: clamp(22px, 2vw, 28px);
  --lead-size: clamp(16px, 1.3vw, 21px);
  --body-size: 16px;
  --nav-size: 18px;
  --button-size: 15px;
  font-synthesis: none;
}
body { font-family: var(--body); font-size: var(--body-size); font-weight: 400; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; }
button, input, textarea, select { font-family: var(--body); }

.home-hero h1, .training-detail h1, .album-main h1, .info-main h1 {
  font-family: var(--display); font-size: var(--hero-title-size); font-weight: 400; line-height: 1.38; letter-spacing: 0;
}
.training-detail h2 { font-family: var(--display); font-size: var(--title-size); font-weight: 400; line-height: 1.3; letter-spacing: -.025em; }
.training-detail h3 { font-family: var(--display); font-size: 21px; font-weight: 400; line-height: 1.4; }
.training-detail h4 { font-family: var(--display); font-size: 16px; font-weight: 400; }
.syllabus-module h3 { font-size: var(--card-title-size); line-height: 1.4; }
.detail-journey h3 { font-size: 19px; }
.detail-lead, .instructor-team-intro, .album-intro { font-size: var(--lead-size); font-weight: 400; line-height: 1.8; }
.detail-section-intro { font-size: var(--body-size); line-height: 1.9; }
.module-practice p { font-size: 15px; }
.detail-journey p { font-size: 14px; }
.detail-faq summary { font-size: 19px; }
.detail-eyebrow { font-family: var(--body); font-size: 15px; font-weight: 400; letter-spacing: .18em; }
.detail-cohort-note, .detail-breadcrumb, .syllabus-module .module-number { font-size: 13px; }

.site-header .brand-company { font-family: var(--body); font-size: 15px; font-weight: 700; letter-spacing: .05em; }
.site-header .brand b { font-family: var(--body); font-size: 20px; font-weight: 700; letter-spacing: -.03em; }
.site-header .brand small { font-family: var(--body); font-size: 9px; font-weight: 400; letter-spacing: .025em; }
.site-nav { font-family: var(--body); font-size: var(--nav-size); font-weight: 400; }
.nav-cta { font-family: var(--body); font-size: var(--nav-size); font-weight: 400; }
.button, .home-actions .button, .gallery-filters button { font-family: var(--body); font-size: var(--button-size); font-weight: 400; }
.detail-footer, .album-footer { font-family: var(--body); font-size: 14px; font-weight: 700; }