/* ============================================================
   恒颜年轻官网 · 子页面头部
   ============================================================ */

/* 子页面导航栏固定白色背景 */
.navbar.sub-page {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-light);
}

/* ============================================================
   PAGE HERO - 背景图版本
   ============================================================ */
.page-hero {
  position: relative;
  width: 100%;
  height: 55vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 无图片时的回退渐变 */
  background-color: #f0f0f5;
}

/* 白色半透明遮罩，让文字清晰可读 */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.80) 0%,
    rgba(255,255,255,0.60) 50%,
    rgba(255,255,255,0.75) 100%
  );
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 60px;
  max-width: 800px;
}

.page-hero-tag {
  display: inline-block;
  font-size: 0.8rem; letter-spacing: 0.15em; font-weight: 400;
  color: var(--primary);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(26,26,46,0.1);
  padding: 6px 18px; border-radius: 100px;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-hero h1 em {
  font-style: normal;
  color: var(--primary-light);
}

.page-hero p {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--gray-400);
}

.breadcrumb .current {
  color: var(--primary);
}