#pdfFlipBook{--fb-bg: #f8fafc;--fb-surface: #ffffff;--fb-border: rgba(148, 163, 184, .45);--fb-shadow: 0 24px 60px rgba(15, 23, 42, .16);--fb-radius: 18px;background:var(--fb-bg);padding:clamp(14px,3vw,28px);border-radius:var(--fb-radius);border:1px solid var(--fb-border);box-shadow:var(--fb-shadow);position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px;height:100%;max-height:100%;width:100%;max-width:100%}#pdfFlipBook #book{width:100%;margin:0 auto;position:relative;display:flex;justify-content:center;align-items:center;flex:1 1 auto;min-height:0}#pdfFlipBook .my-page{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px #00000014,0 10px 30px #0000001f;will-change:transform}#pdfFlipBook .my-page img{width:100%;height:100%;display:block;object-fit:contain;image-rendering:auto}#pdfFlipBook .stf__parent{margin:0 auto}#pdfFlipBook .stf__parent:before{content:"";position:absolute;top:-40px;right:-40px;bottom:-40px;left:-40px;background:radial-gradient(closest-side,rgba(59,130,246,.12),transparent 65%),radial-gradient(closest-side,rgba(14,165,233,.1),transparent 70%);filter:blur(12px);pointer-events:none}#pdfFlipBook .stf__parent:after{content:"";position:absolute;top:6%;bottom:6%;left:50%;width:2px;transform:translate(-1px);background:linear-gradient(to bottom,transparent,rgba(0,0,0,.18),transparent);pointer-events:none;opacity:.55}.flipbook-controls{display:flex;gap:10px;justify-content:center;align-items:center;margin-top:14px;flex-wrap:wrap}.flipbook-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(148,163,184,.6);background:#fff;color:#0f172a;border-radius:12px;padding:10px 14px;font-size:14px;cursor:pointer;transition:transform .12s ease,background .12s ease,border-color .12s ease,box-shadow .12s ease;-webkit-user-select:none;user-select:none;box-shadow:0 8px 16px #0f172a14}.flipbook-btn:hover{background:#f1f5f9;border-color:#64748b99;transform:translateY(-1px)}.flipbook-btn:active{transform:translateY(0)}.flipbook-indicator{color:#475569;font-size:13px;padding:8px 10px;border-radius:10px;background:#f8fafc;border:1px solid rgba(148,163,184,.5)}.flipbook-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:linear-gradient(180deg,#f8fafceb,#e2e8f0eb);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:10}.flipbook-loading .spinner{width:52px;height:52px;border-radius:999px;border:4px solid rgba(148,163,184,.35);border-top-color:#1e40afcc;animation:fbspin .9s linear infinite}.flipbook-loading .text{margin-top:12px;color:#334155;font-size:13px;letter-spacing:.2px}@keyframes fbspin{to{transform:rotate(360deg)}}@media (max-width: 640px){#pdfFlipBook{padding:12px;border-radius:14px}#pdfFlipBook .stf__parent:after{opacity:.35}}.flipbook-jump{display:flex;gap:10px;align-items:center}.flipbook-page-input{width:92px;padding:10px 12px;border-radius:12px;border:1px solid rgba(148,163,184,.6);background:#fff;color:#0f172a;outline:none;box-shadow:0 8px 16px #0f172a14}.flipbook-page-input::placeholder{color:#64748bcc}.flipbook-page-input:focus{border-color:#3b82f680;background:#f8fafc}.flipbook-page-input::-webkit-outer-spin-button,.flipbook-page-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}#pdfFlipBook.fb-theme-book{--fb-bg: #f8fafc;--fb-cover: #e2e8f0;--fb-cover-2: #cbd5f5;--fb-gold: rgba(59, 130, 246, .4);--fb-paper: #ffffff;--fb-paper-2: #f8fafc;background:radial-gradient(1200px 600px at 20% 10%,rgba(148,163,184,.18),transparent 55%),radial-gradient(900px 500px at 80% 0%,rgba(226,232,240,.4),transparent 60%),linear-gradient(180deg,#f8fafc,#e2e8f0);border-radius:22px;border:1px solid rgba(148,163,184,.5);box-shadow:0 30px 90px #0f172a2e;padding:clamp(16px,3.2vw,34px);overflow:hidden}#pdfFlipBook.fb-theme-book:before{content:"";position:absolute;top:10px;right:10px;bottom:10px;left:10px;border-radius:18px;border:1px solid rgba(148,163,184,.4);box-shadow:inset 0 0 0 1px #0f172a14;pointer-events:none}#pdfFlipBook.fb-theme-book #book{position:relative;padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.7),transparent 40%),linear-gradient(180deg,var(--fb-cover),var(--fb-cover-2));box-shadow:inset 0 0 0 1px #94a3b859,inset 0 22px 55px #0f172a14,0 22px 55px #0f172a1f;overflow:hidden}#pdfFlipBook.fb-theme-book #book:before{content:"";position:absolute;top:14px;right:14px;bottom:14px;left:14px;border-radius:14px;border:1px solid rgba(59,130,246,.25);box-shadow:inset 0 0 0 1px #0f172a14;pointer-events:none;opacity:.8}#pdfFlipBook.fb-theme-book .stf__parent{margin:0 auto}#pdfFlipBook.fb-theme-book .stf__parent:after{content:"";position:absolute;top:7%;bottom:7%;left:50%;width:18px;transform:translate(-50%);background:linear-gradient(to right,#94a3b873,#fff9,#94a3b873);filter:blur(.2px);opacity:.55;border-radius:999px;pointer-events:none}#pdfFlipBook.fb-theme-book .stf__parent:before{content:"";position:absolute;top:9%;bottom:9%;left:50%;width:220px;transform:translate(-50%);background:radial-gradient(closest-side,rgba(15,23,42,.18),transparent 70%);opacity:.4;pointer-events:none}#pdfFlipBook.fb-theme-book .my-page{background:repeating-linear-gradient(0deg,rgba(15,23,42,.02) 0px,rgba(15,23,42,.02) 1px,transparent 2px,transparent 6px),linear-gradient(180deg,var(--fb-paper),var(--fb-paper-2));border-radius:10px;overflow:hidden;box-shadow:0 1px #0f172a14,0 18px 45px #0f172a1f}#pdfFlipBook.fb-theme-book .my-page:after{content:"";position:absolute;top:0;bottom:0;right:0;width:20px;background:linear-gradient(to left,rgba(15,23,42,.08),rgba(15,23,42,.04),transparent);pointer-events:none;opacity:.6}#pdfFlipBook.fb-theme-book .my-page[data-density=hard]{border-radius:12px;background:linear-gradient(135deg,rgba(255,255,255,.7),transparent 45%),linear-gradient(180deg,#e2e8f0,#cbd5f5);box-shadow:inset 0 0 0 1px #94a3b866,0 22px 55px #0f172a2e}#pdfFlipBook.fb-theme-book .my-page[data-density=hard]:after{width:0}#pdfFlipBook.fb-theme-book .my-page img{width:100%;height:100%;display:block;object-fit:contain}#pdfFlipBook.fb-theme-book .flipbook-controls{margin-top:16px}#pdfFlipBook.fb-theme-book .flipbook-btn{border:1px solid rgba(148,163,184,.6);background:linear-gradient(180deg,#ffffffe6,#e2e8f0b3);color:#0f172a;box-shadow:0 10px 24px #0f172a1f}#pdfFlipBook.fb-theme-book .flipbook-btn:hover{border-color:#3b82f673;background:linear-gradient(180deg,#fff,#e2e8f0d9)}#pdfFlipBook.fb-theme-book .flipbook-indicator{border:1px solid rgba(148,163,184,.5);background:#f8fafce6;color:#475569}#pdfFlipBook.fb-theme-book .flipbook-page-input{border:1px solid rgba(148,163,184,.6);background:#fffffff2}#pdfFlipBook{width:100%;max-width:100%;margin:0 auto;min-height:clamp(520px,82vh,1400px)}