*, *::before, *::after { box-sizing: border-box; }
html { font-size: var(--fs-base); }
body {
  margin: 0; font-family: var(--font-family); color: var(--color-text);
  background: var(--color-bg); line-height: 1.5;
  padding-bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + var(--safe-area-bottom));
}
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.field-hint { font-size: 12px; color: #627D98; }
.section-title { font-size: 1.25rem; margin: 0 0 8px; font-weight: 700; }
.section-desc { font-size: 14px; color: #627D98; margin: 0 0 16px; }

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--color-bg-card); border-bottom: 1px solid var(--color-border);
  padding-top: env(safe-area-inset-top, 0);
}
.navbar-inner { display: flex; align-items: center; gap: 10px; padding: 10px 16px; max-width: 720px; margin: 0 auto; }
.navbar-title { font-weight: 700; flex: 1; font-size: 15px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
  font-size: 14px; cursor: pointer; text-decoration: none; font-family: inherit;
  background: var(--color-bg-card); color: var(--color-text);
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-secondary { border-color: var(--color-border); }
.btn-accent { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 8px; }

.bottom-nav {
  position: fixed; bottom: var(--contact-footer-h); left: 0; right: 0; z-index: 90;
  display: flex; background: var(--color-bg-card); border-top: 1px solid var(--color-border);
  height: var(--bottom-nav-h);
}
.bottom-nav__item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 11px; color: #627D98; text-decoration: none; gap: 2px;
}
.bottom-nav__item.active { color: var(--color-primary); font-weight: 600; }

.page-container { padding-top: 52px; padding: 56px 16px 16px; max-width: 720px; margin: 0 auto; min-height: 50vh; }

.hero-section { position: relative; border-radius: 14px; overflow: hidden; margin-bottom: 16px; }
.hero-search { position: absolute; bottom: 16px; left: 16px; right: 16px; color: #fff; }
.hero-search .section-title, .hero-search .section-desc { color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,.3); }
.hero-search input {
  width: 100%; padding: 12px; border-radius: 10px; border: none; margin-top: 8px; font-size: 15px;
}

.tab-row { display: flex; gap: 8px; overflow-x: auto; margin-bottom: 16px; padding-bottom: 4px; }
.tab-row button {
  flex-shrink: 0; padding: 8px 14px; border-radius: 20px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); font-size: 13px; cursor: pointer;
}
.tab-row button.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.sample-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sample-grid.list-mode { grid-template-columns: 1fr; }
.sample-card {
  background: var(--color-bg-card); border-radius: 14px; border: 1px solid var(--color-border); overflow: hidden;
}
.sample-card--list { display: flex; gap: 12px; }
.sample-card--list .sample-card__img { width: 100px; flex-shrink: 0; }
.sample-card__body { padding: 10px 12px; flex: 1; }
.sample-card__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; gap: 8px; }
.sample-card__img { display: block; position: relative; }

.r164-visual {
  width: 100%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  border-radius: 12px; overflow: hidden;
}
.r164-visual__icon { font-size: 48px; line-height: 1; }
.r164-visual__icon--xl { font-size: 72px; }
.r164-visual--hero { aspect-ratio: 16/9; min-height: 160px; }
.r164-visual--gallery { aspect-ratio: 4/3; margin-bottom: 12px; }
.r164-visual--cart { width: 56px; height: 56px; aspect-ratio: auto; flex-shrink: 0; }
.r164-visual--cart .r164-visual__icon { font-size: 28px; }

.stock-badge {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 6px; margin-top: 4px;
}
.stock-ok { background: #E6F7FF; color: #1677FF; }
.stock-low { background: #FFF7E6; color: #D46B08; animation: pulse 2s infinite; }
.stock-out { background: #F5F5F5; color: #8C8C8C; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.65} }

.tag-hot {
  position: absolute; top: 8px; left: 8px; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; color: #fff; background: var(--color-accent);
}

.spec-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
.spec-table td { padding: 8px; border-bottom: 1px solid var(--color-border); }
.spec-table td:first-child { color: #627D98; width: 40%; }

.detail-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }

.wizard-steps { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.wizard-step {
  font-size: 12px; padding: 6px 10px; border-radius: 8px; background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}
.wizard-step.active { border-color: var(--color-primary); color: var(--color-primary); font-weight: 600; }
.wizard-step.done { background: #E6F7FF; }
.wizard-nav { display: flex; gap: 8px; margin-top: 16px; }
.wizard-nav .btn { flex: 1; }

label { display: block; margin-bottom: 12px; font-size: 13px; }
label input { width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border); margin-top: 4px; font-size: 15px; }

.confirm-box {
  padding: 16px; border-radius: 12px; background: var(--color-bg-card);
  border: 1px solid var(--color-border); margin-bottom: 12px;
}
.confirm-box.accent { border-color: var(--color-accent); background: #FFF7E6; }

.status-timeline { list-style: none; padding: 0; margin: 16px 0; }
.status-timeline__item {
  display: flex; gap: 12px; padding: 12px 0; border-left: 2px solid var(--color-border);
  margin-left: 14px; padding-left: 16px; position: relative;
}
.status-timeline__item.done { border-left-color: var(--color-primary); }
.status-timeline__item.active .status-timeline__dot { box-shadow: 0 0 0 4px rgba(22,119,255,.25); }
.status-timeline__dot {
  position: absolute; left: -27px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-bg-card); border: 2px solid var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 12px;
}
.logistics-box { padding: 12px; background: var(--color-bg-card); border-radius: 10px; border: 1px dashed var(--color-border); }

.order-card {
  display: block; padding: 14px; margin-bottom: 10px; border-radius: 12px;
  background: var(--color-bg-card); border: 1px solid var(--color-border); text-decoration: none; color: inherit;
}
.admin-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.admin-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 16px; }
.admin-stat {
  text-align: center; padding: 12px; border-radius: 10px; background: var(--color-bg-card);
  border: 1px solid var(--color-border); font-size: 12px;
}
.admin-stat strong { display: block; font-size: 20px; color: var(--color-primary); }

.star-row { display: flex; gap: 8px; margin: 16px 0; }
.star-btn { font-size: 28px; background: none; border: none; cursor: pointer; color: #D9D9D9; }
.star-btn.active { color: #FAAD14; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tag-btn {
  padding: 6px 12px; border-radius: 16px; border: 1px solid var(--color-border);
  background: var(--color-bg-card); font-size: 13px; cursor: pointer;
}
.tag-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.cart-drawer { position: fixed; inset: 0; z-index: 200; pointer-events: none; }
.cart-drawer.open { pointer-events: auto; }
.cart-drawer__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); opacity: 0; transition: opacity .2s; }
.cart-drawer.open .cart-drawer__backdrop { opacity: 1; }
.cart-drawer__panel {
  position: absolute; left: 0; right: 0; bottom: 0; max-height: 70vh;
  background: var(--color-bg-card); border-radius: 16px 16px 0 0;
  transform: translateY(100%); transition: transform .25s; padding: 16px;
}
.cart-drawer.open .cart-drawer__panel { transform: none; }
.cart-drawer__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cart-drawer__body { max-height: 45vh; overflow-y: auto; }
.cart-drawer__foot { display: flex; gap: 8px; margin-top: 12px; }
.cart-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--color-border); align-items: flex-start; }
.cart-item__info { flex: 1; min-width: 0; }
.qty-row { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.cart-fab {
  position: fixed; right: 16px; bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + 16px);
  z-index: 95; width: 52px; height: 52px; border-radius: 50%; border: none;
  background: var(--color-primary); color: #fff; font-size: 22px; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.cart-fab__badge {
  position: absolute; top: -4px; right: -4px; min-width: 20px; height: 20px;
  background: var(--color-accent); color: #fff; font-size: 11px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

.contact-footer {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 80;
  padding: 8px 12px calc(8px + var(--safe-area-bottom));
  background: var(--color-bg-card); border-top: 1px solid var(--color-border);
}
.contact-footer__btns { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.contact-footer__cta, .contact-footer__btn {
  padding: 8px 14px; border-radius: 8px; font-size: 13px; text-decoration: none;
  border: 1px solid var(--color-border); background: var(--color-bg-card); color: var(--color-text); cursor: pointer;
}
.contact-footer__cta { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.contact-footer__brand { text-align: center; font-size: 11px; color: #627D98; margin: 6px 0 0; }

.r164-toast {
  position: fixed; left: 50%; bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + 80px);
  transform: translateX(-50%); background: rgba(0,0,0,.85); color: #fff;
  padding: 10px 18px; border-radius: 8px; z-index: 9999; opacity: 0; transition: opacity .2s;
}
.r164-toast.show { opacity: 1; }