:root{--ink:#202536;--muted:#7a8192;--purple:#6854d9;--line:#e9eaf1;--surface:#f7f8fc;--green:#1e886b;--red:#b53d4b;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);font-synthesis:none;font-size:15px;line-height:1.5;background:var(--surface)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:var(--purple);text-decoration:none}a:hover{text-decoration:underline}svg{display:block;width:100%;height:100%}.container{width:min(1160px,calc(100% - 64px));margin-inline:auto}.hidden{display:none!important}:focus-visible{outline:3px solid #9d8ef0;outline-offset:4px}
.topbar{height:88px;border-bottom:1px solid var(--line);background:#fff}.header-content{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:11px;font-size:25px;font-weight:750;letter-spacing:-1px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{color:var(--purple);width:32px;height:36px}.brand-period{color:var(--purple)}.nav{display:flex;align-items:center;gap:28px}.nav-link{background:none;border:0;padding:8px 0;font-size:13px;color:#818594;text-decoration:none;white-space:nowrap}.nav-link.active{color:var(--purple);position:relative;font-weight:650}.nav-link.active:after{content:"";position:absolute;bottom:-24px;left:0;right:0;height:3px;border-radius:3px;background:var(--purple)}.header-caption{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px}.mini-dot{width:6px;height:6px;border-radius:100%;background:#72b69d}
.hero{position:relative;padding:66px 0 43px}.hero:after{content:"";position:absolute;right:20px;top:45px;width:280px;height:200px;background:radial-gradient(ellipse,#ebe7fc,transparent 70%);pointer-events:none;z-index:-1}.hero-eyebrow{display:flex;align-items:center;gap:14px;font-size:11px;color:#9396a6}.hero-pill{font-size:9px;letter-spacing:1.1px;color:var(--purple);padding:5px 10px;border:1px solid #e0dbf9;border-radius:5px;background:#efecfb;font-weight:700}h1{font-size:clamp(42px,5vw,65px);line-height:1.1;letter-spacing:-2.6px;font-weight:700;margin:22px 0 20px}h1 span{color:var(--purple)}.hero-copy{font-size:15px;color:#7d8393;max-width:490px;line-height:1.8;margin:0}.hero-checks{display:flex;gap:25px;margin-top:24px;font-size:10px;color:#838a9b}.hero-checks span:first-letter{color:var(--green)}
.workspace{margin-bottom:34px}.panel{background:#fff;border:1px solid #e5e6ee;box-shadow:0 10px 30px #20253604;border-radius:17px;overflow:hidden}.panel-header{padding:29px 34px 25px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.section-label{font-size:9px;letter-spacing:1.6px;color:#9b96b5;font-weight:650}h2{font-size:23px;letter-spacing:-.6px;margin:6px 0}h3{font-size:13px;margin:0;font-weight:650}.panel-subtitle{font-size:11px;color:#969bad;margin:3px 0 0}.panel-counter{font-size:11px;letter-spacing:2px;color:#b0afc3;font-variant-numeric:tabular-nums}.work-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,1fr)}.document-area{padding:30px;min-width:0;background:#fcfcfe;border-right:1px solid var(--line)}.upload-zone{min-height:510px;border:1.5px dashed #dcd9eb;border-radius:11px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;padding:30px;background:linear-gradient(140deg,#fff,#faf9fe);transition:border-color .2s,background .2s}.upload-zone:hover,.upload-zone.dragging{border-color:var(--purple);background:#f4f1ff}.upload-icon{width:66px;height:66px;border-radius:17px;display:grid;place-items:center;color:var(--purple);background:#efecfc;margin-bottom:23px}.upload-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}.upload-zone strong{font-size:16px;letter-spacing:-.2px;margin-bottom:7px}.upload-zone>span{font-size:11px;color:#9396a5}.inline-action{color:var(--purple);font-weight:500}.upload-zone small{font-size:10px;color:#a7aab7;margin-top:20px}.controls{padding:27px 30px 25px}.control-step{display:flex;align-items:center;gap:11px;margin-bottom:16px}.step-number{background:#f0edfc;color:var(--purple);font-size:11px;font-weight:650;border-radius:8px;width:29px;height:29px;display:grid;place-items:center;flex-shrink:0}.control-step p{font-size:10px;color:#a0a4b2;margin:3px 0 0}.step-state{font-size:9px;padding:4px 7px;color:#a7a9b7;background:#f6f6fa;border-radius:5px;margin-left:auto;white-space:nowrap}.divider-top{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.plugin-status{font-size:10px;line-height:1.7;display:flex;gap:7px;padding:10px 12px;border:1px solid #eaeaf1;border-radius:7px;margin-bottom:10px;background:#fafafe}.plugin-status.muted{color:#9194a5}.success{background:#edf8f2!important;color:#256f56!important;border-color:#d2ebdf!important}.error{background:#fff1f2!important;color:var(--red)!important;border-color:#f4d6dc!important}.status-icon{font-size:13px}.btn{border:0;border-radius:7px;padding:11px 16px;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:14px;transition:background .2s,transform .2s}.btn:not(:disabled):active{transform:translateY(1px)}.btn-soft{width:100%;background:#f0edfc;color:var(--purple);margin-bottom:18px}.btn-soft:hover{background:#e7e1fc}.field-label{display:block;font-size:10px;font-weight:600;margin-bottom:7px;color:#73798b}.select{width:100%;min-width:0;height:38px;border:1px solid #e5e5ee;border-radius:6px;background:white;padding:0 9px;font-size:10px;color:#757b8d;text-overflow:ellipsis}.cert-details{font-size:10px;white-space:pre-line;overflow-wrap:anywhere;padding:12px;background:#faf9fd;border-radius:6px;margin-top:9px;color:#78778b}.external-tip{display:flex;justify-content:space-between;gap:10px;margin-top:10px;font-size:9px;color:#aaaebb}.sign-type{border:1px solid #e3dff8;background:#fcfbff;border-radius:8px;padding:11px;display:flex;gap:10px;align-items:center;margin-bottom:14px}.sign-type-icon{color:var(--purple);font-size:21px}.sign-type strong{display:block;font-size:11px;font-weight:600}.sign-type small{display:block;font-size:8px;color:#a2a0b2;margin-top:4px}.selected-indicator{margin-left:auto;color:var(--purple);border:1px solid #c9c1f1;border-radius:50%;width:15px;height:15px;display:grid;place-items:center;font-size:8px;flex-shrink:0}.btn-primary{background:var(--purple);color:#fff}.btn-primary:not(:disabled):hover{background:#5742c8}.btn-sign{width:100%;justify-content:space-between;font-size:12px;padding:14px 17px}.help-text{font-size:9px;line-height:1.7;color:#a5a8b6;margin-top:11px}.result{font-size:12px;padding:14px;border:1px solid;border-radius:8px;line-height:1.7;margin-top:18px;overflow-wrap:anywhere}.download-link{display:inline-block;margin-top:8px;font-weight:600}.preview-wrap{width:100%}.file-bar{display:flex;align-items:center;gap:10px;margin-bottom:22px}.file-badge{background:#f9e9ed;color:#bd667d;font-size:9px;border-radius:7px;padding:10px 8px;font-weight:650}.file-meta{min-width:0;flex:1}.file-meta strong{font-size:12px;overflow-wrap:anywhere;display:block}.file-meta small{font-size:10px;display:block;color:var(--muted);margin-top:3px}.small-btn{background:white;border:1px solid var(--line);border-radius:6px;font-size:10px;color:var(--purple);padding:7px 10px}.preview-label{font-size:10px;color:#76798b;margin-bottom:10px}.preview-label span{color:#abaeba}.preview-frame{height:445px;position:relative;border-radius:7px;overflow:hidden;border:1px solid var(--line);background:#f0f0f4}#pdfPreview{border:0;width:100%;height:100%}.preview-note{font-size:9px;color:#a4a6b3;margin-top:12px;line-height:1.7}.verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:32px}.file-input{display:block;font-size:12px;max-width:100%;width:100%;padding:12px;border:1px dashed #dcd9eb;border-radius:8px;color:#7d8191}.file-input::file-selector-button{border:0;border-radius:4px;padding:7px 10px;background:#f0edfc;color:var(--purple);margin-right:10px;cursor:pointer}.subnote{font-size:10px;color:#a4a6b5;display:block;margin-top:7px}.verify-button{margin:0 32px 26px}.notice{background:#fafafe;padding:24px 32px;border-top:1px solid var(--line);font-size:11px;color:#9498a9}.notice strong{color:#757b8d}.notice p{max-width:750px;margin:7px 0 0;line-height:1.8}#verifyResult{margin:0 32px 25px}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);padding:20px 15px 35px;border-bottom:1px solid var(--line);gap:35px}.trust-row>div{position:relative;padding-left:37px}.trust-icon{position:absolute;left:0;top:-3px;color:#a59acb;font-size:26px}.trust-row strong{font-size:11px;font-weight:600}.trust-row p{font-size:10px;color:#9ca1af;margin:5px 0}.faq{padding:50px 0 60px}.faq h2{font-size:25px;margin-bottom:25px}.faq details{border-bottom:1px solid #e4e6ed;padding:16px 0;max-width:800px}.faq summary{font-size:13px;cursor:pointer;font-weight:500;list-style:none;padding-right:30px;position:relative}.faq summary:after{content:"+";right:3px;position:absolute;color:#9791ad;font-size:18px;top:-4px}.faq details[open] summary:after{content:"−"}.faq details p{font-size:12px;line-height:1.9;color:#858b9c;max-width:720px;margin-bottom:2px}.footer{border-top:1px solid var(--line);padding:24px 0 30px}.footer-inner{display:flex;align-items:center;gap:30px;justify-content:space-between;color:#a0a4b1;font-size:9px}.footer-brand{font-size:17px;color:#848495;font-weight:700;letter-spacing:-.5px}.footer-brand span{color:var(--purple);padding-left:3px}.footer-inner>a{white-space:nowrap}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);background:#2d2942;color:white;border-radius:10px;padding:15px 22px;font-size:13px;box-shadow:0 8px 40px #20134026;z-index:10}
@media(min-width:1450px){.hero{padding-top:80px}.hero:after{right:100px;width:400px;height:300px}.upload-zone{min-height:525px}}@media(max-width:1000px){.header-caption{display:none}.container{width:calc(100% - 40px)}.header-content{gap:20px}.work-grid{grid-template-columns:minmax(0,1.2fr) minmax(300px,1fr)}.controls{padding:25px 22px}.document-area{padding:22px}.hero{padding-top:45px}.nav{gap:20px}}@media(max-width:720px){.container{width:calc(100% - 32px)}.topbar{height:auto}.header-content{flex-direction:column;align-items:flex-start;gap:14px;padding:19px 0 0}.brand{font-size:23px}.brand-mark{height:29px;width:27px}.nav{width:100%;gap:24px;padding-bottom:16px}.nav-link{font-size:11px}.nav-link.active:after{bottom:-17px}.hero{padding:34px 0 30px}.hero-eyebrow{align-items:flex-start;flex-direction:column;gap:9px;font-size:10px}h1{font-size:45px;letter-spacing:-2px;margin:20px 0 18px}.hero-copy{font-size:13px;max-width:420px}.hero-checks{gap:9px 15px;flex-wrap:wrap;font-size:9px;margin-top:19px}.panel-header{padding:22px 20px}.panel-counter{font-size:9px;white-space:nowrap}h2{font-size:19px}.work-grid{grid-template-columns:1fr}.document-area{border-right:0;border-bottom:1px solid var(--line);padding:18px}.upload-zone{min-height:260px}.upload-icon{height:54px;width:54px;margin-bottom:17px}.controls{padding:24px}.trust-row{grid-template-columns:1fr;gap:18px;padding:5px 10px 25px}.trust-row>div{padding-left:33px}.trust-row p{margin-top:2px}.faq{padding:35px 0 40px}.faq h2{font-size:22px}.footer-inner{flex-wrap:wrap;gap:14px}.footer-inner>span:nth-child(2){order:3;width:100%;line-height:1.8}.verify-grid{grid-template-columns:1fr;padding:23px;gap:22px}.verify-button{margin-left:23px}.notice{padding:22px 23px}#verifyResult{margin-inline:23px}.preview-frame{height:380px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}