/* YuanFeng V52.40 — unify all CURRENT large-display headings to the typography
   of About's “照明真正的价值，会随着时间逐渐显现” (.yf-about-h2).
   Only font-size and font-weight are unified; motion, spacing, line-height,
   letter-spacing, structure and copy remain controlled by their existing systems. */

/* Current page-level large headings:
   Products / Projects / Project categories / News / Downloads / About. */
.yf-section-heading h1,
.yf-about-primary-heading h1,
/* Current product-detail large chapter headings: 特点 / 结构 / 系统概述. */
.dtlProducts .dtlChar .dtlcharInfo > h1,
.dtlProducts .dtlData .dtlDataDiv .dtlDataTitle h1{
  font-size:clamp(30px,3vw,46px)!important;
  font-weight:300!important;
}

@media(max-width:600px){
  .yf-section-heading h1,
  .yf-about-primary-heading h1,
  .dtlProducts .dtlChar .dtlcharInfo > h1,
  .dtlProducts .dtlData .dtlDataDiv .dtlDataTitle h1{
    font-size:28px!important;
    font-weight:300!important;
  }
}