:root{font-family:Arial,Helvetica,sans-serif;color:#16364d;background:#eef3f6;line-height:1.5}*{box-sizing:border-box}body{margin:0}.viewer-header{height:68px;background:#fff;border-bottom:1px solid #dce5eb;display:flex;align-items:center;justify-content:space-between;padding:0 max(6vw,24px);font-size:13px}.viewer-header a{color:#16364d;text-decoration:none}.viewer-brand{font-size:23px;font-weight:800;letter-spacing:1px}.viewer-main{max-width:1280px;margin:0 auto;padding:40px 25px 70px;text-align:center}.viewer-eyebrow{color:#2879b1;font-size:11px;font-weight:700;letter-spacing:1.5px;margin:0;text-transform:uppercase}.viewer-main h1{font-size:clamp(30px,4vw,46px);line-height:1.1;margin:11px 0}.viewer-intro{color:#5b6f7d;margin:0 auto 28px}.flipbook-shell{margin:auto;max-width:1160px}.flipbook{display:grid;grid-template-columns:1fr 1fr;min-height:570px;background:#d7e1e8;box-shadow:0 15px 42px rgba(22,54,77,.20);perspective:2200px;overflow:hidden}.flip-page{background:#fff;min-height:570px;display:flex;align-items:center;justify-content:center;overflow:hidden}.flip-page--left{border-right:1px solid #c7d3db}.flip-page img{width:100%;height:100%;object-fit:contain;display:block}.blank-page{height:100%;width:100%;background:linear-gradient(115deg,#f7f8f9,#fff)}.flipbook--turning .flip-page--right{animation:turn .23s ease-in-out}@keyframes turn{50%{transform:rotateY(-15deg);filter:brightness(.92)}}.page-status{font-weight:700;font-size:13px;margin:17px 0}.viewer-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.viewer-actions button,.viewer-actions a{border:1px solid #16364d;background:#16364d;color:#fff;padding:12px 17px;text-decoration:none;font:700 14px Arial,Helvetica,sans-serif;cursor:pointer}.viewer-actions button:disabled{background:#9badb9;border-color:#9badb9;cursor:default}.viewer-actions a{background:#fff;color:#16364d}@media(max-width:740px){.viewer-main{padding:30px 12px 45px}.flipbook{grid-template-columns:1fr;min-height:0}.flip-page{min-height:0}.flip-page--right{display:none}.flip-page img{height:auto}.page-status{margin:14px 0}.viewer-header{padding:0 18px}}