/* 中文站字体与排版微调 — 在 ../styles.css 之后加载 */
:root {
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
em { font-style: normal; }
.hero h1 { font-size: clamp(38px, 4.8vw, 68px); line-height: 1.28; max-width: 20ch; }
.page-hero h1 { font-size: clamp(34px, 4.4vw, 62px); line-height: 1.3; max-width: 22ch; }
h2.title { font-size: clamp(30px, 3.6vw, 50px); line-height: 1.3; }
.hero h1, h2.title, .page-hero h1 { letter-spacing: 0.01em; }
.eyebrow, .hero .kicker { letter-spacing: 0.3em; }
.nav-links a, .nav-cta, .btn { letter-spacing: 0.12em; }
.matrix-card span, .case .role, .case-meta .m .k, .c-item .k,
.case-panel .k, .f-row label, .stat .l, .footer h4 { letter-spacing: 0.18em; }
/* 行业卡片：中文标题一行放下，副标题对齐 */
.matrix-card h3 { font-size: 19px; min-height: 1.6em; letter-spacing: 0.02em; }