.spdf-page{--spdf-bg: #f7f6f3;--spdf-card: #ffffff;--spdf-text: #0f172a;--spdf-muted: #475569;--spdf-soft: #64748b;--spdf-border: #e7e5e4;--spdf-blue: #2563eb;--spdf-blue-dark: #1d4ed8;--spdf-blue-soft: #eff6ff;--spdf-blue-text: #1e3a8a;--spdf-green: #15803d;--spdf-amber-bg: #fdf6e7;--spdf-amber-border: #e7cf8f;--spdf-amber-text: #8a6d1a;--spdf-r-sm: 6px;--spdf-r-md: 10px;--spdf-r-lg: 14px;--spdf-r-xl: 20px;flex:1;color:var(--spdf-text);background:radial-gradient(circle at 52% -18%,rgba(37,99,235,.1),transparent 34%),radial-gradient(circle at 95% 26%,rgba(56,189,248,.12),transparent 28%),var(--spdf-bg);overflow-x:hidden}.spdf-page__inner{max-width:80rem;margin:0 auto;padding:0 1.25rem 2.5rem}.spdf-fade-up{animation:spdfFadeUp .7s ease both}.spdf-fade-up-delay{animation:spdfFadeUp .8s ease .12s both}@keyframes spdfFadeUp{0%{opacity:0;transform:translateY(22px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.spdf-hero{display:grid;align-items:center;gap:2.5rem;padding:2rem 0 3rem}@media (min-width: 1024px){.spdf-hero{grid-template-columns:1.02fr .98fr;padding-top:3rem}}.spdf-badge{display:inline-flex;align-items:center;gap:.35rem;margin-bottom:1.25rem;padding:.35rem .85rem;border:1px solid #93c5fd;border-radius:999px;background:var(--spdf-blue-soft);font-size:.8rem;font-weight:500;color:var(--spdf-blue)}.spdf-h1{margin:0;max-width:16ch;font-size:clamp(2.1rem,6vw,4rem);font-weight:900;line-height:.98;letter-spacing:-.045em}.spdf-lead{margin:1.25rem 0 0;max-width:36rem;font-size:clamp(1rem,2vw,1.15rem);line-height:1.6;color:var(--spdf-muted)}.spdf-hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}.spdf-btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:0 1.35rem;border:0;border-radius:var(--spdf-r-md);background:var(--spdf-blue);color:#fff;font-size:.9rem;font-weight:600;text-decoration:none;cursor:pointer;transition:filter .12s}.spdf-btn-primary:hover{filter:brightness(1.06)}.spdf-btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:0 1.35rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:var(--spdf-card);color:var(--spdf-muted);font-size:.9rem;font-weight:500;text-decoration:none}.spdf-checks{display:grid;gap:.65rem;margin-top:1.5rem;font-size:.82rem;color:var(--spdf-soft)}@media (min-width: 640px){.spdf-checks{grid-template-columns:repeat(3,1fr)}}.spdf-checks span:first-child{color:var(--spdf-green)}.spdf-note{display:flex;gap:.65rem;align-items:flex-start;margin-top:1.25rem;padding:.75rem .9rem;background:var(--spdf-amber-bg);border:1px solid var(--spdf-amber-border);border-radius:var(--spdf-r-md);font-size:.82rem;color:var(--spdf-amber-text);line-height:1.5}.spdf-note svg{flex-shrink:0;margin-top:2px}.spdf-card{background:var(--spdf-card);border:1px solid var(--spdf-border);border-radius:var(--spdf-r-xl);box-shadow:0 12px 40px #0f172a12;overflow:hidden}.spdf-card-pad{padding:1.25rem}.spdf-dropzone{position:relative;text-align:center;padding:2.5rem 1.25rem;border:1.5px dashed #cbd5e1;border-radius:var(--spdf-r-lg);cursor:pointer;transition:border-color .15s,background .15s}.spdf-dropzone:hover,.spdf-dropzone:focus-visible,.spdf-dropzone.tool-dropzone--active{border-color:var(--spdf-blue);background:var(--spdf-blue-soft)}.spdf-dropzone.tool-dropzone--disabled{opacity:.55;pointer-events:none}.spdf-dropzone__ico{width:3.25rem;height:3.25rem;margin:0 auto 1rem;border-radius:var(--spdf-r-lg);background:#f1f5f9;display:flex;align-items:center;justify-content:center;color:var(--spdf-soft)}.spdf-dropzone__title{margin:0 0 .35rem;font-size:1rem;font-weight:600}.spdf-dropzone__or{margin:.5rem 0;font-size:.78rem;color:var(--spdf-soft)}.spdf-dropzone__browse{display:inline-flex;align-items:center;gap:.4rem;margin-top:.25rem;padding:.55rem 1.1rem;border:0;border-radius:var(--spdf-r-md);background:var(--spdf-blue);color:#fff;font-size:.88rem;font-weight:500;cursor:pointer}.spdf-page label.spdf-tbtn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.spdf-dropzone__hint{margin:.85rem 0 0;font-size:.72rem;color:var(--spdf-soft)}.spdf-dropzone__input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spdf-loader{text-align:center;padding:2rem;color:var(--spdf-soft)}.spdf-loader__spinner{width:2.25rem;height:2.25rem;margin:0 auto .65rem;border:3px solid var(--spdf-border);border-top-color:var(--spdf-blue);border-radius:50%;animation:spdfSpin .75s linear infinite}@keyframes spdfSpin{to{transform:rotate(360deg)}}.spdf-error{margin:.75rem 0 0;padding:.65rem .85rem;border-radius:var(--spdf-r-sm);background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;font-size:.88rem}.spdf-error[hidden],.spdf-workspace[hidden]{display:none!important}.spdf-toolbar-zone{position:sticky;top:52px;z-index:50;margin:0 0 .85rem;padding:.55rem 0 .65rem;background:#f7f6f3eb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--spdf-border)}.spdf-toolbar-zone__inner{max-width:80rem;margin:0 auto}.spdf-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem}.spdf-tbtn{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .7rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:var(--spdf-card);color:var(--spdf-muted);font-size:.82rem;font-weight:500;font-family:inherit;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s}.spdf-tbtn:hover:not(:disabled){background:#f8fafc;color:var(--spdf-text)}.spdf-tbtn:disabled{opacity:.4;cursor:not-allowed}.spdf-tbtn--accent{background:var(--spdf-blue-soft);color:var(--spdf-blue-text);border-color:#93c5fd}.spdf-tbtn--active{background:var(--spdf-blue);color:#fff;border-color:var(--spdf-blue-dark);box-shadow:0 0 0 2px #2563eb40}.spdf-tbtn--primary{background:var(--spdf-green);color:#fff;border-color:transparent;margin-left:auto}.spdf-tbtn--primary:hover:not(:disabled){filter:brightness(1.06);background:var(--spdf-green);color:#fff}.spdf-tb-sep{width:1px;height:1.35rem;background:var(--spdf-border);margin:0 .15rem}.spdf-hint{margin:.55rem 0 0;font-size:.75rem;color:var(--spdf-soft);line-height:1.45}.spdf-place-hint{margin:.55rem 0 0;padding:.5rem .65rem;border-radius:var(--spdf-r-sm);background:var(--spdf-blue-soft);border:1px solid #93c5fd;color:var(--spdf-blue-text);font-size:.8rem;font-weight:500;line-height:1.4}.spdf-place-hint[hidden]{display:none!important}.spdf-page--active .spdf-hero{grid-template-columns:1fr;align-items:start;gap:1.5rem;padding-bottom:1.5rem}.spdf-page--active .spdf-fade-up{max-width:44rem}.spdf-page--active #spdf-drop{width:100%}.spdf-page--active #spdf-drop .spdf-card{box-shadow:0 8px 28px #0f172a14;overflow:visible}.spdf-workspace{width:100%;min-width:0}.spdf-workspace .spdf-tbtn--primary{margin-left:0}.spdf-hint kbd{font-size:.7rem;padding:.1rem .3rem;background:#f1f5f9;border:1px solid var(--spdf-border);border-radius:4px}.spdf-page-nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.5rem .75rem;margin:0 0 .65rem;padding:.5rem .65rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:var(--spdf-card)}.spdf-page-nav[hidden]{display:none!important}.spdf-page-nav__btn{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-sm);background:var(--spdf-card);color:var(--spdf-text);font-size:1.25rem;line-height:1;cursor:pointer;font-family:inherit}.spdf-page-nav__btn:hover:not(:disabled){background:#f8fafc;border-color:#93c5fd}.spdf-page-nav__btn:disabled{opacity:.35;cursor:not-allowed}.spdf-page-nav__field{display:inline-flex;align-items:center;gap:.35rem;font-size:.85rem;color:var(--spdf-muted)}.spdf-page-nav__input{width:3rem;padding:.25rem .35rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-sm);font-size:.85rem;text-align:center;font-family:inherit}.spdf-page-nav__input::-webkit-outer-spin-button,.spdf-page-nav__input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.spdf-page-nav__mode{font-size:.78rem}.spdf-page-nav__sep-bar{width:1px;height:1.35rem;background:var(--spdf-border);margin:0 .1rem}.spdf-page-nav__zoom{display:inline-flex;align-items:center;gap:.25rem}.spdf-page-nav__zoom-val{min-width:2.75rem;font-size:.78rem;font-weight:600;color:var(--spdf-muted);text-align:center}.spdf-page-nav__del{margin-left:auto;font-size:.78rem;color:#b91c1c;border-color:#fecaca}.spdf-page-nav__del:hover:not(:disabled){background:#fef2f2;color:#991b1b}.spdf-tbtn--danger{background:#dc2626;color:#fff;border-color:transparent}.spdf-tbtn--danger:hover:not(:disabled){filter:brightness(1.06);background:#dc2626;color:#fff}@media (max-width: 640px){.spdf-page-nav__del{margin-left:0;width:100%;justify-content:center}}.spdf-page .sign-page[hidden]{display:none!important}.spdf-pages-wrap{margin:0 auto;max-height:min(72vh,920px);overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:.65rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:#eef2f6}.spdf-page .sign-pages-root{display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding-bottom:.5rem}.spdf-page .sign-page{width:100%;max-width:100%;display:flex;flex-direction:column;align-items:center}.spdf-page .sign-page__inner{position:relative;display:inline-block;max-width:100%;line-height:0;box-shadow:0 10px 30px #0f172a1f;border-radius:4px}.spdf-page .sign-page__inner canvas{display:block;vertical-align:top}.spdf-page .sign-page__label{margin:.5rem 0 0;font-size:.82rem;font-weight:500;color:var(--spdf-muted);text-align:center}.spdf-page .sign-props-bar{display:none;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;margin-top:.55rem;padding:.5rem .65rem;background:var(--spdf-card);border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md)}.spdf-page .sign-props-bar--active{display:flex}.spdf-page .sign-prop-group{display:flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--spdf-soft)}.spdf-page .sign-prop-step{border:1px solid var(--spdf-border);border-radius:var(--spdf-r-sm);background:var(--spdf-card)}.spdf-page .sign-swatch--active{outline-color:var(--spdf-blue)}.spdf-page .sign-prop-toggle--active{background:var(--spdf-blue)}.spdf-page .sign-modal__dialog{border:1px solid var(--spdf-border);border-radius:var(--spdf-r-xl)}.spdf-page .sign-tab--active{background:var(--spdf-blue-soft);border-color:#93c5fd;color:var(--spdf-blue-text)}.spdf-page .tool-panel__loading{margin-top:1rem}.spdf-page .sign-modal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:1rem}.spdf-page .sign-modal[hidden]{display:none!important}.spdf-page .sign-modal__backdrop{position:absolute;inset:0;background:#0f172a73;backdrop-filter:blur(2px)}.spdf-page .sign-modal__dialog{position:relative;z-index:1;background:var(--spdf-card);max-width:32rem;width:100%;max-height:90vh;overflow:auto;padding:1.25rem;box-shadow:0 20px 50px #0f172a2e}.spdf-page .sign-modal__dialog--wide{max-width:40rem}.spdf-page .sign-modal__head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.spdf-page .sign-modal__head h3{margin:0;font-size:1.05rem}.spdf-page .sign-modal__x{border:0;background:#f1f5f9;width:2rem;height:2rem;border-radius:var(--spdf-r-sm);font-size:1.35rem;line-height:1;cursor:pointer;color:var(--spdf-soft)}.spdf-page .sign-modal__tabs{display:flex;gap:.35rem;margin-bottom:1rem;padding:4px;background:#f1f5f9;border-radius:var(--spdf-r-md)}.spdf-page .sign-tab{flex:1;padding:.5rem;border:none;background:transparent;border-radius:7px;cursor:pointer;font-weight:500;font-size:.85rem;color:var(--spdf-soft);font-family:inherit}.spdf-page .sign-modal__p{margin:0 0 .75rem;font-size:.88rem;color:var(--spdf-muted);line-height:1.45}.spdf-page .sign-modal__foot{margin:1rem 0 0;font-size:.78rem;color:var(--spdf-soft);line-height:1.45}.spdf-page .sign-file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spdf-page .sign-draw-wrap{border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);overflow:hidden;background:var(--spdf-card)}.spdf-page .sign-draw-canvas{display:block;width:100%;max-width:520px;touch-action:none;cursor:crosshair}.spdf-page .sign-draw-actions,.spdf-page .sign-apply-actions,.spdf-page .sign-modal__buttons{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.spdf-page .sign-modal__buttons{justify-content:flex-end}.spdf-page .sign-apply-checkboxes{display:flex;flex-wrap:wrap;gap:.5rem 1rem;max-height:12rem;overflow-y:auto;padding:.65rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:#fafafa}.spdf-page .sign-apply-checkboxes label{display:inline-flex;align-items:center;gap:.35rem;font-size:.85rem;cursor:pointer}.spdf-page .sign-stamp{position:absolute;box-sizing:border-box;border:1.5px dashed transparent;border-radius:3px;cursor:grab;touch-action:manipulation;display:flex;align-items:flex-start;min-width:24px;min-height:24px}.spdf-page .sign-stamp--selected{border-color:var(--spdf-blue);box-shadow:0 0 0 3px #2563eb26;z-index:50}.spdf-page .sign-stamp--dragging{cursor:grabbing;touch-action:none;z-index:60}.spdf-page .sign-stamp--text{min-width:8px;min-height:1em}.spdf-page .sign-stamp__txt{outline:none;white-space:pre;line-height:1.25;padding:1px 2px}.spdf-page .sign-stamp--editing{cursor:text;border-color:var(--spdf-blue);border-style:dashed}.spdf-page .sign-stamp img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain;pointer-events:none}.spdf-page .sign-page__overlay{position:absolute;left:0;top:0;cursor:default;touch-action:pan-y pinch-zoom}.spdf-page .sign-page__overlay--place-text{cursor:crosshair;outline:2px dashed rgba(37,99,235,.45);outline-offset:-2px}.spdf-page .sign-stamp__resize{position:absolute;right:-5px;bottom:-5px;width:12px;height:12px;background:var(--spdf-blue);border-radius:50%;touch-action:none;cursor:nwse-resize}.spdf-page .sign-prop-step button{border:none;background:transparent;width:1.75rem;height:1.75rem;cursor:pointer;font-family:inherit}.spdf-page .sign-prop-step span{min-width:2rem;text-align:center;font-size:.8rem}.spdf-page .sign-swatch{width:1.35rem;height:1.35rem;border-radius:var(--spdf-r-sm);border:1px solid var(--spdf-border);cursor:pointer;padding:0}.spdf-page .sign-swatch--light{border-color:#94a3b8}.spdf-page .sign-prop-toggle{font-weight:600;width:1.85rem;height:1.85rem;border:1px solid var(--spdf-border);border-radius:var(--spdf-r-sm);background:var(--spdf-card);cursor:pointer;font-family:inherit}.spdf-kicker{margin:0 0 .35rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--spdf-blue)}.spdf-h2{margin:0;font-size:clamp(1.35rem,3vw,1.75rem);font-weight:800;letter-spacing:-.02em}.spdf-section{margin-top:2.5rem}.spdf-benefits{display:grid;gap:1rem}@media (min-width: 768px){.spdf-benefits{grid-template-columns:repeat(3,1fr)}}.spdf-soft-card{padding:1.25rem;background:var(--spdf-card);border:1px solid var(--spdf-border);border-radius:var(--spdf-r-lg)}.spdf-benefit-icon{width:2.25rem;height:2.25rem;margin-bottom:.75rem;border-radius:var(--spdf-r-md);background:var(--spdf-blue-soft);color:var(--spdf-blue);display:flex;align-items:center;justify-content:center;font-weight:700}.spdf-how-grid{display:grid;gap:1.25rem}@media (min-width: 768px){.spdf-how-grid{grid-template-columns:.9fr 1.1fr;align-items:start}}.spdf-how-steps{display:grid;gap:.65rem}.spdf-how-step{display:flex;gap:.75rem;align-items:flex-start;padding:.85rem 1rem;background:var(--spdf-card);border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md)}.spdf-how-step__num{flex-shrink:0;width:1.75rem;height:1.75rem;border-radius:8px;background:var(--spdf-blue-soft);color:var(--spdf-blue);border:1px solid #93c5fd;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}.spdf-how-step p{margin:0;font-size:.88rem;color:var(--spdf-muted);line-height:1.5}.spdf-faq details{border:1px solid var(--spdf-border);border-radius:var(--spdf-r-md);background:var(--spdf-card);overflow:hidden}.spdf-faq summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1rem;font-weight:600;font-size:.92rem;cursor:pointer;list-style:none}.spdf-faq summary::-webkit-details-marker{display:none}.spdf-faq details p{margin:0;padding:0 1rem 1rem;font-size:.88rem;color:var(--spdf-muted);line-height:1.55}.spdf-related{margin-top:2rem}.spdf-related ul{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin:0;padding:0;list-style:none}.spdf-related a{color:var(--spdf-blue);font-size:.9rem;font-weight:500}@media (max-width: 640px){.spdf-toolbar-zone{top:0}.spdf-tbtn .spdf-tbtn__long{display:none}.spdf-tbtn--primary{margin-left:0}}