.cs-book-overlay{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(120% 120% at 50% 30%,#1a140c80,#120e09b3);-webkit-backdrop-filter:blur(4px) saturate(115%);backdrop-filter:blur(4px) saturate(115%);opacity:0;transition:opacity .28s ease}.cs-book-overlay.is-open{opacity:1}.cs-book-overlay[hidden]{display:none}html.cs-book-lock{overflow:hidden}.cs-book-sheet{position:relative;width:100%;max-width:400px;box-sizing:border-box;padding:46px 42px 40px;background:radial-gradient(140% 80% at 50% 0%,#d4af3714,#d4af3700 60%),linear-gradient(184deg,#fdfbf6,#f6f1e7);border:1px solid rgba(184,148,31,.55);border-radius:8px;box-shadow:0 34px 84px #140e066b,0 2px #fff9 inset;transform:translateY(16px) scale(.975);opacity:0;transition:transform .32s cubic-bezier(.22,1,.36,1),opacity .28s ease}.cs-book-overlay.is-open .cs-book-sheet{transform:translateY(0) scale(1);opacity:1}.cs-book-sheet:before{content:"";position:absolute;inset:9px;border:1px solid rgba(184,148,31,.32);border-radius:4px;pointer-events:none}.cs-book-eyebrow{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:14px}.cs-book-eyebrow__rule{display:block;width:46px;height:1px;background:linear-gradient(90deg,#b8941f00,#b8941fb3)}.cs-book-eyebrow__rule:last-child{background:linear-gradient(90deg,#b8941fb3,#b8941f00)}.cs-book-eyebrow__mark{color:#c8a230;font-size:.72rem;line-height:1;transform:translateY(-1px)}.cs-book-prompt{margin:0 0 26px;padding:0 6px;text-align:center;font-family:Playfair Display,Georgia,serif;font-size:1.5rem;font-weight:600;line-height:1.28;letter-spacing:.005em;color:#1a1a1a}.cs-book-opt{display:flex;align-items:center;gap:16px;padding:17px 20px;margin-top:13px;border-radius:5px;text-decoration:none;font-family:Lato,Helvetica Neue,Arial,sans-serif;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease}.cs-book-opt:first-of-type{margin-top:0}.cs-book-opt--online,.cs-book-opt--online:link,.cs-book-opt--online:visited,.cs-book-opt--online:hover,.cs-book-opt--online:focus,.cs-book-opt--online:active{color:#1a1a1a!important}.cs-book-opt--zalo,.cs-book-opt--zalo:link,.cs-book-opt--zalo:visited,.cs-book-opt--zalo:hover,.cs-book-opt--zalo:focus,.cs-book-opt--zalo:active{color:#1a1a1a!important}.cs-book-opt{min-height:78px;box-sizing:border-box;background:#fff!important;border:1px solid rgba(184,148,31,.4);box-shadow:0 4px 14px #1a140a0f}.cs-book-opt--online{border-color:#b8941fb8}.cs-book-opt:hover,.cs-book-opt:focus-visible{transform:translateY(-2px);border-color:#b8941ff2;box-shadow:0 11px 26px #c49a2e33}.cs-book-opt:focus-visible{outline:2px solid #b8941f;outline-offset:3px}.cs-book-opt__icon{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#d4af3721;border:1px solid rgba(184,148,31,.4);color:#b8901f}.cs-book-opt__text{flex:1 1 auto;min-width:0}.cs-book-opt__label{display:block;font-family:Playfair Display,Georgia,serif;font-size:1.12rem;font-weight:600;letter-spacing:.01em}.cs-book-opt__sub{display:block;margin-top:3px;font-size:.76rem;font-weight:400;letter-spacing:.03em;text-transform:uppercase;opacity:.66}.cs-book-opt__chev{flex:0 0 auto;font-size:1.4rem;line-height:1;opacity:.45;transition:transform .16s ease}.cs-book-opt:hover .cs-book-opt__chev{transform:translate(3px);opacity:.7}.cs-book-close{position:absolute;top:14px;right:16px;width:32px;height:32px;padding:0;border:0;background:transparent;color:#1a1a1a;font-size:1.6rem;line-height:1;cursor:pointer;opacity:.4;transition:opacity .15s ease,transform .15s ease}.cs-book-close:hover,.cs-book-close:focus-visible{opacity:.85;transform:rotate(90deg)}.cs-book-close:focus-visible{outline:2px solid #b8941f;outline-offset:2px;border-radius:6px}@media(max-width:560px){.cs-book-overlay{align-items:flex-end;padding:0}.cs-book-sheet{max-width:none;padding:34px 22px calc(28px + env(safe-area-inset-bottom,0px));border-radius:20px 20px 0 0;border-bottom:0;transform:translateY(100%)}.cs-book-overlay.is-open .cs-book-sheet{transform:translateY(0)}.cs-book-sheet:before{inset:9px 9px 0;border-bottom:0;border-radius:14px 14px 0 0}}@media(prefers-reduced-motion:reduce){.cs-book-overlay,.cs-book-sheet{transition:opacity .01ms}.cs-book-sheet{transform:none}}