@charset "UTF-8";
:root{--bg:#f7f8f5;--surface:#fff;--ink:#202b26;--muted:#6a746d;--green:#286a4b;--green-dark:#20563e;--soft:#edf4ed;--border:#e4e8e1;--error:#ac3838;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,label,input{ -webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip:focus{position:fixed;top:8px;left:8px;z-index:10;background:white;padding:16px}:focus-visible{outline:3px solid #75a88b;outline-offset:4px}button{transition:background .2s,box-shadow .2s}button:active{filter:brightness(.94)}[hidden]{display:none!important}
.header{max-width:1200px;margin:auto;height:104px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:25px;font-weight:750;letter-spacing:-1px}.brand-icon{display:grid;place-items:center;background:var(--ink);width:42px;height:42px;border-radius:13px}.brand-icon img{filter:invert(1)}.brand-vn{font-weight:450}.brand-dot{color:var(--green)}nav{display:flex;align-items:center;gap:36px;font-size:14px;font-weight:550}.nav-active{color:var(--green);min-height:44px;display:flex;align-items:center}.help-link{border:0;background:none;min-height:44px;padding:0;color:var(--muted)}.help-link span{padding-left:8px}.local-tag{display:flex;align-items:center;gap:7px;font-size:12px;color:#56695a;border:1px solid #dfe7dc;border-radius:30px;padding:8px 12px}.local-tag i,.eyebrow span{width:6px;height:6px;border-radius:50%;background:#51815b}
main{max-width:1040px;padding:0 32px;margin:auto}.intro{text-align:center;padding:35px 0 38px}.eyebrow{display:flex;align-items:center;justify-content:center;gap:9px;font-size:10px;letter-spacing:2px;font-weight:700;color:var(--green);margin-bottom:19px}.intro :is(h1,h2){font-size:clamp(34px,4.5vw,49px);letter-spacing:-2px;line-height:1.19;margin:0;font-weight:650}.intro :is(h1,h2) span{color:var(--green)}.intro p{font-size:15px;line-height:1.7;color:var(--muted);margin:17px 0 0}.workspace{display:grid;grid-template-columns:1.08fr 1fr;background:white;border:1px solid var(--border);border-radius:24px;box-shadow:0 12px 48px -24px #293a2929;overflow:hidden}.certificate-panel,.apps-panel{padding:32px}.apps-panel{border-left:1px solid var(--border);background:#fdfefd}.section-heading{display:flex;gap:13px;align-items:center;margin-bottom:25px}.step-number{align-self:flex-start;border:1px solid var(--border);border-radius:10px;font-size:12px;font-weight:650;display:grid;place-items:center;min-width:34px;height:34px;background:#f8faf7;color:var(--green)}h2{font-size:18px;letter-spacing:-.4px;margin:0;font-weight:650}.section-heading p{font-size:12px;margin:6px 0 0;color:var(--muted)}.dropzone{position:relative;display:flex;align-items:center;flex-direction:column;justify-content:center;min-height:204px;padding:23px 12px;border:1.5px dashed #b6cbb9;border-radius:14px;background:#f7faf5;cursor:pointer;transition:border-color .2s,background .2s;text-align:center}.dropzone:hover,.dropzone.dragging{background:#edf5e9;border-color:var(--green)}.dropzone:focus-within{outline:3px solid #75a88b;outline-offset:4px}.dropzone input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.upload-icon{width:48px;height:48px;border-radius:14px;background:white;box-shadow:0 2px 6px #29442d0a;border:1px solid #e9eee5;display:grid;place-items:center;color:var(--green);margin-bottom:16px}.upload-icon svg{width:23px;height:23px}.dropzone strong{font-size:15px;font-weight:600}.dropzone>span:not(.upload-icon){font-size:13px;color:var(--muted);margin-top:7px}.browse{color:var(--green);font-weight:600;text-decoration:underline;text-underline-offset:3px}.dropzone .file-hint{font-size:10px!important;margin-top:19px!important}.password-label{display:flex;align-items:center;justify-content:space-between;margin:24px 0 10px}.password-label label{font-size:13px;font-weight:600}.password-label>span{font-size:10px;color:var(--muted);background:#f3f5f1;border:1px solid #e9ece6;border-radius:5px;padding:3px 6px}.password-wrap{display:flex;align-items:center;border:1px solid #dce3d8;border-radius:10px;padding-left:14px;height:48px;background:#fff}.password-wrap:focus-within{outline:2px solid #75a88b;outline-offset:2px}.password-wrap>svg{width:17px;color:#778373}.password-wrap input{width:100%;min-width:0;outline:none;border:0;padding:12px;font-size:16px;background:transparent}.password-wrap input::placeholder{color:#7b847c;font-size:13px}.icon-button{border:0;background:transparent;width:44px;min-width:44px;height:44px;display:grid;place-items:center;color:var(--muted);border-radius:8px}.icon-button:hover{background:var(--soft)}.icon-button svg{width:18px;height:18px}.input-hint{font-size:11px;line-height:1.5;color:var(--muted);margin:9px 0 0}.privacy-note{display:flex;align-items:center;gap:10px;border-top:1px solid #eff1ec;margin-top:24px;padding-top:19px;color:var(--muted)}.privacy-note>svg{width:19px;color:var(--green)}.privacy-note p{margin:0;font-size:11px;line-height:1.7}.app-options{border:0;padding:0;margin:0;display:grid;gap:12px}.app-option{position:relative;display:flex;align-items:center;gap:13px;border:1px solid var(--border);padding:15px;border-radius:13px;cursor:pointer;transition:background .2s,border-color .2s;min-width:0;background:#fff}.app-option:has(input:checked){border-color:#649273;background:#f3f8f0;box-shadow:0 0 0 1px #64927322}.app-option:hover{background:#f6f9f3}.app-option:has(input:focus-visible){outline:3px solid #75a88b;outline-offset:3px}.app-option input{position:absolute;opacity:0;width:1px;height:1px}.app-icon{width:48px;height:48px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;box-shadow:inset 0 0 0 1px #00000008}.app-icon svg{width:34px;height:34px;stroke-width:2.1;color:white}.esign{background:linear-gradient(145deg,#55a7ff,#1867e1)}.gbox{background:linear-gradient(145deg,#504c55,#252329)}.scarlet{background:linear-gradient(145deg,#f56973,#d7344b)}.scarlet svg{stroke-width:4}.app-copy{min-width:0;flex:1;display:flex;flex-direction:column;gap:6px}.app-copy>strong{font-size:15px;display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-weight:650}.app-copy>span{font-size:11px;color:var(--muted);line-height:1.4}.app-badge{font-size:9px;color:#46664d;background:#e4eedf;border-radius:4px;padding:3px 5px;font-weight:500}.radio-mark{width:20px;height:20px;flex-shrink:0;border:1.5px solid #d6ded1;border-radius:50%;display:grid;place-items:center}.radio-mark svg{width:13px;height:13px;stroke-width:2.5;opacity:0}.app-option:has(input:checked) .radio-mark{background:var(--green);border-color:var(--green);color:white}.app-option:has(input:checked) .radio-mark svg{opacity:1}.action-area{margin-top:27px}.selection-line{display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-bottom:12px;color:var(--muted)}.selection-line strong{font-size:12px;color:var(--ink);font-weight:600}.primary-button{border:0;background:var(--green);color:white;border-radius:10px;min-height:50px;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;font-size:13px;font-weight:550}.primary-button:hover{background:var(--green-dark);box-shadow:0 3px 12px #286a4b25}.primary-button>svg{width:18px;height:18px}.primary-button .button-arrow{margin-left:auto;width:16px}.primary-button>span{flex:1;text-align:left}.demo-note{font-size:10px;text-align:center;color:var(--muted);line-height:1.6;margin:12px 0 0}.under-card{display:flex;align-items:center;justify-content:center;gap:27px;margin-top:23px;color:var(--muted);font-size:10px}.under-card>span{display:flex;align-items:center;gap:6px}.under-card svg{width:14px;height:14px;color:#73876a}.under-card img{opacity:.55}.guide{margin:48px auto 42px;max-width:800px}.guide-title{display:flex;align-items:center;gap:9px;justify-content:center;font-size:9px;letter-spacing:1.6px;color:#778271;font-weight:600}.tiny-line{height:1px;width:20px;background:#a6b69b}.guide-steps{display:flex;align-items:center;justify-content:space-between;margin-top:24px;gap:20px}.guide-steps>div{display:flex;align-items:center;gap:12px}.guide-steps>div>span{font-size:11px;color:#64725d;width:28px;height:28px;border:1px solid #dce3d6;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.guide-steps p{font-size:10px;line-height:1.7;margin:0;color:var(--muted)}.guide-steps strong{display:block;color:#3e493b;font-size:12px;font-weight:550}.guide-connector{width:30px;height:1px;background:#dce3d6}footer{max-width:1120px;margin:auto;border-top:1px solid var(--border);display:flex;gap:20px;align-items:center;padding:24px 0 28px;color:var(--muted);font-size:10px}footer p{flex:1;margin:0}.footer-brand{font-size:16px;letter-spacing:-.7px;color:#677560;font-weight:650}footer>span{font-size:10px}.field-error{color:var(--error);font-size:12px;line-height:1.6;margin-bottom:0}.file-summary{display:flex;align-items:center;gap:9px;background:#f3f8f0;border:1px solid #d9e5d2;border-radius:10px;padding:7px 6px 7px 12px;margin-top:12px;min-width:0}.summary-icon{color:var(--green)}.file-summary>div{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}.file-summary strong{font-size:12px;overflow-wrap:anywhere}.file-summary #file-detail{font-size:10px;color:var(--muted)}.cert-contents{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.cert-contents span{font-size:10px;color:var(--green);background:#edf4e9;padding:5px 7px;border-radius:5px}.dropzone.loaded{min-height:120px;padding:15px}.dropzone.loaded .upload-icon{width:32px;height:32px;border-radius:9px;margin-bottom:9px}.dropzone.loaded .file-hint{display:none}.dropzone.loaded>strong{font-size:13px}.dropzone.loaded>span:not(.upload-icon){font-size:11px}.dropzone.busy{opacity:.6;pointer-events:none}
dialog{border:1px solid var(--border);padding:28px;border-radius:22px;max-width:440px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 20px 100px #0003}dialog::backdrop{background:#15261b80;backdrop-filter:blur(4px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--green)}dialog h2{font-size:22px}dialog p,dialog ol{font-size:14px;line-height:1.8;color:var(--muted)}dialog ol{padding-left:22px}dialog li{margin-bottom:8px}dialog .primary-button{margin-top:24px}dialog .primary-button svg{margin-left:8px}
@media(min-width:1500px){.intro{padding-top:65px}.workspace{margin-top:12px}.guide{margin-top:56px}}@media(max-width:1000px){footer{margin:0 32px}.header{padding:0 32px}.local-tag{display:none}.workspace{grid-template-columns:1fr 1fr}.certificate-panel,.apps-panel{padding:25px}.under-card{gap:16px}}@media(max-width:700px){.header{height:80px;padding:0 22px;gap:14px}.brand{font-size:23px;gap:8px}.brand-icon{width:36px;height:36px;border-radius:11px}.brand-icon img{width:22px;height:22px}nav{gap:18px;font-size:12px}.help-link{font-size:12px}.help-link span{padding-left:3px}.nav-active{display:none}main{padding:0 18px}.intro{padding:26px 0 30px}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:17px}.intro :is(h1,h2){font-size:34px;letter-spacing:-1.5px;line-height:1.23}.intro p{font-size:13px;margin-top:15px;line-height:1.8}.workspace{grid-template-columns:minmax(0,1fr);border-radius:20px}.certificate-panel,.apps-panel{padding:23px 21px}.apps-panel{border-left:0;border-top:1px solid var(--border)}.section-heading{margin-bottom:21px}h2{font-size:17px}.section-heading p{font-size:12px}.dropzone{min-height:188px}.dropzone .file-hint{font-size:10px!important}.password-label{margin-top:22px}.input-hint{font-size:11px}.privacy-note{margin-top:22px;padding-top:17px}.app-option{padding:13px}.app-copy>span{font-size:12px}.app-icon{width:48px;height:48px}.primary-button{font-size:14px;min-height:52px}.selection-line{font-size:12px}.demo-note{font-size:10px}.under-card{flex-wrap:wrap;gap:12px 20px;margin-top:21px;font-size:10px}.under-card>span:first-child{width:100%;justify-content:center}.guide{margin:34px 8px}.guide-steps{align-items:stretch;flex-direction:column;gap:19px;margin:22px auto 0;width:fit-content}.guide-steps>div{gap:14px}.guide-connector{display:none}.guide-steps strong{font-size:13px}.guide-steps p{font-size:12px}.guide-title{font-size:9px}footer{margin:0 22px;padding:22px 0 calc(24px + env(safe-area-inset-bottom));gap:12px;flex-wrap:wrap}footer p{font-size:10px}footer>span{display:none}}
@media(max-width:360px){.intro :is(h1,h2){font-size:30px}.certificate-panel,.apps-panel{padding:21px 16px}.app-option{padding:12px 10px;gap:10px}.app-badge{font-size:8px}.dropzone .file-hint{font-size:9px!important}.desktop-break{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}