/* ==================== 右侧悬浮工具条 ==================== */
.float-tools { position: fixed; right: 22px; top: 58%; transform: translateY(-50%); z-index: 900; display: grid; gap: 10px; }
.float-tools a, .float-tools button { width: 50px; height: 50px; border-radius: 16px; background: #fff; color: var(--primary); box-shadow: var(--shadow); border: 1px solid var(--border); display: grid; place-items: center; transition: .25s; font-weight: 900; }
.pc .float-tools a:hover, .pc .float-tools button:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ==================== 页脚区域 ==================== */
.trust-strip { background: #0f172a; color: #e5f1ff; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.10); border-bottom: 1px solid rgba(255,255,255,.14); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; text-align: center; }
.trust-item b { display: block; color: #fff; font-size: 18px; }
.trust-item span { display: block; margin-top: 3px; color: rgba(229,241,255,.72); font-size: 12px; }
.site-footer { background: #111827; color: #fff; text-align: center; padding: 24px 16px; }
.icp { color: #fff; font-weight: 800; }
.icp-link { display: inline-flex; align-items: center; gap: 7px; color: #fff; font-weight: 800; }
.icp-badge { width: 22px; height: 22px; display: inline-grid; place-items: center; border: 1px solid rgba(255,255,255,.72); border-radius: 50%; background: linear-gradient(145deg, #f4f8ff, #b9d8ff); color: #165aa8; font-size: 10px; font-weight: 900; line-height: 1; }
.icp-link:hover { color: #b9dcff; }
.icp-link:focus-visible { outline: 2px solid #b9dcff; outline-offset: 3px; border-radius: 4px; }
.site-footer p { color: rgba(255,255,255,.78); margin-top: 8px; }
.product-category-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 0 auto 20px; }
.product-category-tab { min-height: 38px; padding: 0 18px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: #42526b; font-size: 13px; font-weight: 800; }
.product-category-tab:hover, .product-category-tab.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
@media (max-width: 767px) { .product-category-tabs { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; } .product-category-tab { flex: 0 0 auto; } }
.product-group { display: grid; gap: 10px; }
.product-group-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; font-size: 18px; color: #162033; }
.product-group-title span { color: var(--muted); font-size: 12px; font-weight: 600; }
.product-group .product-list { display: grid; gap: 8px; }
.product-expand { justify-self: center; min-height: 36px; padding: 0 18px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: var(--primary); font-size: 13px; font-weight: 800; }
.product-expand:hover { background: var(--primary-light); border-color: var(--primary); }
.product-group .product-row.is-disabled { opacity: .7; }
@media (max-width: 767px) { .product-group-title { font-size: 16px; } .product-expand { min-height: 38px; } }
.product-filter { min-height: 36px; padding: 0 16px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: #42526b; font-size: 13px; font-weight: 800; transition: .2s ease; }
.product-filter:hover, .product-filter.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
#products { padding-top: 36px; padding-bottom: 36px; }
#products .section-desc { margin-bottom: 18px; }
  .product-row.is-disabled { opacity: .82; }
  #products .order-btn.is-disabled { background: #cbd5e1; color: #fff; cursor: not-allowed; box-shadow: none; pointer-events: none; }

.product-row .order-btn { min-height: 40px; }
@media (max-width: 767px) {
  #products { padding-top: 30px; padding-bottom: 30px; }
  .product-controls { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: 0 2px 4px; }
  .product-filter { flex: 0 0 auto; min-height: 38px; }
  .product-row .order-btn { min-height: 44px; }
}
.credential-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 26px; }
.credential-card { min-width: 0; padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.credential-card h3 { font-size: 20px; margin-bottom: 4px; }
.credential-card p { color: var(--muted); font-size: 14px; }
.credential-image { width: 100%; height: 360px; margin-top: 16px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: #f8fbff; }
.credential-image img { width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: contain; }
.credential-link { display: inline-block; margin-top: 12px; color: var(--primary); font-weight: 800; }
.credential-notice { margin-top: 12px; color: #b42318 !important; font-size: 13px !important; font-weight: 800; }
@media (max-width: 767px) {
  .credential-grid { grid-template-columns: 1fr; gap: 14px; }
  .credential-card { padding: 16px; }
  .credential-image { height: 280px; margin-top: 12px; }
}