/* One divider per boundary, aligned to the screen's physical pixels. */
.hero-rail::before,
.hero-rail::after,
.section-rail::before,
.section-rail::after,
.frame-line-full::before,
.frame-line-full::after,
.site-main:not(.site-main--subpage) > .site-section:not(:last-child) > .container:last-child::after {
  height: var(--divider-size, 1px);
}

.hero-rail::before,
.section-rail::before,
.frame-line-full--top::before {
  top: var(--divider-top, 0px);
}

.hero-rail::after,
.section-rail::after,
.frame-line-full--bottom::after,
.site-main:not(.site-main--subpage) > .site-section:not(:last-child) > .container:last-child::after {
  bottom: var(--divider-bottom, 0px);
}

/* The footer rail already supplies the shared boundary. */
.site-footer .footer-top-frame.frame-line-full--top::before {
  content: none;
}

/* Preserve the glass background and corner marks with a single outer edge. */
.site-nav {
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}