.epdf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}@media (max-width:860px){.epdf-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.epdf-grid{grid-template-columns:1fr}}.epdf-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid #e5e5e5;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;user-select:none;-webkit-user-select:none}.epdf-card:hover{transform:translateY(-4px);box-shadow:0 10px 32px rgba(0,0,0,.12);border-color:#c8c8c8}.epdf-card:active{transform:translateY(0);box-shadow:none}.epdf-thumb{position:relative;width:100%;height:220px;background-color:#ececec;background-size:cover;background-position:center center;background-repeat:no-repeat;overflow:hidden}.epdf-thumb::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,0);transition:background .2s ease}.epdf-card:hover .epdf-thumb::after{background:rgba(0,0,0,.18)}.epdf-thumb-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;pointer-events:none}.epdf-thumb-placeholder span{font-size:11px;color:#c0c0c0;letter-spacing:.06em;text-transform:uppercase}.epdf-view-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.75);opacity:0;transition:opacity .2s ease,transform .2s ease;background:rgba(255,255,255,.93);border-radius:50%;width:54px;height:54px;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:2}.epdf-card:hover .epdf-view-icon{opacity:1;transform:translate(-50%,-50%) scale(1)}.epdf-label{padding:13px 16px;font-size:14px;font-weight:600;color:#1a1a1a;border-top:1px solid #efefef;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#fff}.epdf-overlay{display:none;position:fixed;inset:0;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background:rgba(0,0,0,.88);z-index:2147483647;align-items:center;justify-content:center}.epdf-overlay.is-open{display:flex}.epdf-overlay-inner{position:relative;width:90vw;height:90vh;display:flex;flex-direction:column;border-radius:12px;overflow:hidden;z-index:2147483647}.epdf-toolbar{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;background:#1a1a1a;flex-shrink:0;min-height:48px}.epdf-toolbar-title{color:#fff;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:calc(100% - 50px)}.epdf-close-btn{background:rgba(255,255,255,.12);border:none;border-radius:50%;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s;padding:0}.epdf-close-btn:hover{background:rgba(255,255,255,.24)}.epdf-spinner-wrap{position:absolute;top:48px;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f0f0f0;z-index:10;gap:16px;opacity:1;pointer-events:auto;transition:opacity .3s ease}.epdf-spinner-wrap.is-hidden{opacity:0;pointer-events:none}.epdf-spinner-ring{width:48px;height:48px;border:4px solid #d0d0d0;border-top-color:#444;border-radius:50%;animation:epdf-rotate .8s linear infinite}.epdf-spinner-label{font-size:13px;color:#777;letter-spacing:.04em;font-family:sans-serif}.epdf-viewer{width:100%;flex:1;border:none;display:block;background:#fff}.epdf-backdrop{position:fixed;inset:0;z-index:-1;cursor:pointer}.epdf-mobile-open{display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;width:100%;flex:1;background:#f5f5f5;padding:32px 20px;text-align:center;box-sizing:border-box}.epdf-mobile-open p{font-size:14px;color:#555;margin:0;line-height:1.5;font-family:sans-serif}.epdf-mobile-open a{display:inline-flex;align-items:center;gap:8px;background:#1a1a1a;color:#fff;text-decoration:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;font-family:sans-serif;transition:background .15s}.epdf-mobile-open a:hover{background:#333}@media (max-width:600px){.epdf-overlay-inner{width:98vw;height:95vh}}