.dua-site-shell { min-height: 100vh; overflow: clip; }
.dua-container { width: min(100% - 2rem, var(--dua-container)); margin-inline: auto; }
.dua-main { min-height: 65vh; }
.dua-page { padding-block: var(--dua-space-6) var(--dua-space-8); }
.dua-section { padding-block: var(--dua-space-7); }
.dua-section--tint { background: #edf8ff; border-block: 1px solid var(--dua-color-line); }
.dua-header { position: relative; z-index: 20; border-bottom: 1px solid rgb(207 227 244 / 80%); background: rgb(255 249 238 / 92%); backdrop-filter: blur(16px); }
.dua-header__inner { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: var(--dua-space-4); }
.dua-brand { display: inline-flex; flex: 0 0 auto; align-items: center; text-decoration: none; }
.dua-brand__logo { width: 152px; height: auto; }
.dua-header__nav { display: none; align-items: center; gap: var(--dua-space-5); }
.dua-header__nav > a:not(.dua-button) { color: var(--dua-color-ink); text-decoration: none; }
.dua-footer { padding: var(--dua-space-6) 0 calc(var(--dua-bottom-nav-height) + var(--dua-space-5)); border-top: 1px solid var(--dua-color-line); background: var(--dua-color-surface); }
.dua-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--dua-space-3); }
.dua-footer p { margin: 0; color: var(--dua-color-muted); }
.dua-bottom-nav { position: fixed; z-index: 40; bottom: 0; left: 0; display: grid; width: 100%; height: calc(var(--dua-bottom-nav-height) + env(safe-area-inset-bottom)); grid-template-columns: repeat(6, minmax(0, 1fr)); padding: .4rem .35rem env(safe-area-inset-bottom); border-top: 1px solid var(--dua-color-line); background: rgb(255 255 255 / 96%); box-shadow: 0 -10px 30px rgb(6 36 84 / 8%); backdrop-filter: blur(14px); }
.dua-bottom-nav__item { position: relative; display: flex; min-width: 0; min-height: 58px; flex-direction: column; align-items: center; justify-content: center; gap: .1rem; border-radius: 12px; color: var(--dua-color-muted); font-size: .67rem; text-decoration: none; }
.dua-bottom-nav__item .dua-icon { width: 21px; height: 21px; }
.dua-bottom-nav__item.is-active { background: var(--dua-color-primary-soft); color: var(--dua-color-primary-dark); }
.dua-bottom-nav__item.is-active::before { position: absolute; top: .15rem; width: 22px; height: 3px; border-radius: 3px; background: var(--dua-color-primary); content: ""; }
@media (min-width: 760px) {
  .dua-container { width: min(100% - 3rem, var(--dua-container)); }
  .dua-header__nav { display: flex; }
  .dua-brand__logo { width: 178px; }
  .dua-page { padding-block-start: var(--dua-space-7); }
  .dua-footer { padding-bottom: var(--dua-space-6); }
  .dua-bottom-nav { display: none; }
}