.catalog-preview-shell{isolation:isolate;min-height:100vh;position:relative;overflow:hidden}.catalog-preview-shell--embed{overflow:visible}.catalog-seo-behind{z-index:0;pointer-events:none;position:absolute;inset:0;overflow:hidden}.catalog-preview-front{z-index:1;background:#fff;width:100%;min-height:100vh;position:relative}.catalog-use-bar{z-index:20;padding-top:max(14px, calc(env(safe-area-inset-top) + 8px));pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;top:0;left:50%;transform:translate(-50%)}.catalog-use-btn{pointer-events:auto;color:#fff;font-family:var(--font-main,"MuliDisplayVN", sans-serif);cursor:pointer;background:#8b0000;border:none;border-radius:999px;align-items:center;gap:8px;padding:13px 24px;font-size:13.5px;font-weight:600;line-height:1;transition:background-color .18s,transform .18s,box-shadow .18s;animation:.42s cubic-bezier(.22,1,.36,1) both catalog-use-rise;display:inline-flex;box-shadow:0 6px 18px #8b000052,0 2px 5px #0000001a}.catalog-use-btn:hover{background:#7a0000}.catalog-use-btn:active{transform:scale(.96)}.catalog-use-btn:disabled{opacity:.65;cursor:not-allowed}.catalog-use-btn__spinner{border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:13px;height:13px;animation:.7s linear infinite catalog-use-spin}.catalog-use-error{pointer-events:auto;color:#fff;max-width:min(90vw,360px);font-family:var(--font-main,"MuliDisplayVN", sans-serif);text-align:center;background:#111827e0;border-radius:10px;padding:7px 12px;font-size:12px;line-height:1.45}@keyframes catalog-use-rise{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes catalog-use-spin{to{transform:rotate(360deg)}}.catalog-use-hint{pointer-events:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fffffff2;font-family:var(--font-main,"MuliDisplayVN", sans-serif);white-space:nowrap;background:#1118278c;border-radius:999px;margin:0;padding:5px 12px;font-size:11.5px;line-height:1;animation:.42s cubic-bezier(.22,1,.36,1) .12s both catalog-use-rise}.catalog-use-bar{transition:opacity .26s,transform .26s}.catalog-use-bar--mid .catalog-use-btn{padding:9px 18px;font-size:12.5px}.catalog-use-bar--mid .catalog-use-hint{opacity:0}.catalog-use-bar--end{opacity:0;pointer-events:none;transform:translate(-50%,-12px)}.catalog-use-hint{transition:opacity .22s}.catalog-end-cta{pointer-events:auto;color:#fff;width:100%;font-family:var(--font-main,"MuliDisplayVN", sans-serif);cursor:pointer;background:#8b0000;border:none;border-radius:18px;flex-direction:column;align-items:center;gap:3px;padding:11px 20px;animation:.32s cubic-bezier(.22,1,.36,1) both catalog-end-cta-rise;display:flex;box-shadow:0 8px 22px #8b000057,0 2px 6px #0000001f}.catalog-end-cta:hover{background:#7a0000}.catalog-end-cta:disabled{opacity:.65;cursor:not-allowed}.catalog-end-cta__main{font-size:14.5px;font-weight:600;line-height:1}.catalog-end-cta__sub{color:#ffffffd1;font-size:11.5px;line-height:1}@keyframes catalog-end-cta-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}