:root{--navy:#062b42;--blue:#006a92;--cyan:#26ade4;--ink:#173e54;--muted:#4c687a;--line:#dce7ee;--pale:#eaf6fc;--purple:#6840aa;--radius:18px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#f5f8fa;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}h1:focus{outline:none}img{max-width:100%;display:block}p{margin:0}button{border:0}button:disabled{opacity:.5}::selection{background:#c5ebfb;color:var(--navy)}
.skip-link{position:fixed;top:-80px;left:20px;z-index:100;background:var(--navy);color:white;padding:14px 22px;border-radius:8px}.skip-link:focus{top:12px}.site-header{background:#fff;border-bottom:1px solid var(--line);height:88px;position:relative;z-index:4}.header-inner{height:100%;max-width:1640px;margin:auto;padding:0 44px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:24px}.brand img{width:176px;height:auto}.brand-divider{width:1px;height:28px;background:var(--line)}.brand-label{font-size:15px;font-weight:600;color:var(--muted)}.header-nav{display:flex;align-items:center;gap:26px;font-size:14px}.index-link{font-weight:700;color:var(--blue);padding:12px 0}.preview-tag{color:var(--muted);font-size:13px;background:#f3f7f9;border:1px solid var(--line);border-radius:6px;padding:7px 10px;white-space:nowrap}.menu-button{display:none;background:transparent;padding:10px;color:var(--navy)}.site-footer{max-width:1640px;margin:auto;border-top:1px solid var(--line);padding:24px 44px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px;line-height:1.6}.eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:1.5px;line-height:1.5}.loading-state{min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;gap:18px}.noscript{padding:30px}
.index-page{max-width:1356px;padding:44px 44px 60px;margin:0 auto}.index-intro{display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center;margin-bottom:48px}.intro-copy .eyebrow{margin-bottom:20px}.intro-copy h1{margin:0 0 18px;color:var(--navy);font-size:clamp(48px,5vw,72px);line-height:1.03;letter-spacing:-3.2px;font-weight:700}.intro-copy h1 span{color:var(--blue)}.intro-description{font-size:21px;line-height:1.55;color:var(--muted);letter-spacing:-.2px}.index-count{margin-top:24px;font-size:14px;font-weight:600}.index-count span{color:var(--cyan);margin:0 10px}.cover-art{position:relative;height:322px;overflow:hidden;border-radius:24px;background:#bfecff}.cover-art img{width:100%;height:100%;object-fit:cover;object-position:center 48%}.cover-label{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(6,43,66,.84));padding:46px 24px 20px;color:white;font-size:14px;font-weight:700;text-shadow:0 1px 5px rgba(0,0,0,.12)}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.section-heading h2{margin:6px 0 0;font-size:28px;line-height:1.3;letter-spacing:-.9px;color:var(--navy)}.section-heading>p{font-size:14px;color:var(--muted);max-width:300px;line-height:1.5}.application-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.application-card{background:#fff;border:1px solid var(--line);border-radius:14px;min-height:174px;padding:22px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s,box-shadow .2s}.application-card.available{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 9px 20px rgba(6,43,66,.12)}.application-card.available:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(6,43,66,.17)}.card-top{display:flex;align-items:center;justify-content:space-between}.card-number{font-size:12px;letter-spacing:1px;color:#688396;font-weight:700}.available .card-number{color:#82c5e4}.app-monogram{display:grid;place-items:center;width:33px;height:33px;border-radius:8px;background:#edf5f9;color:var(--blue);font-size:19px;font-weight:700}.available .app-monogram{color:white;background:var(--blue)}.application-card h3{font-size:20px;margin:23px 0 14px;letter-spacing:-.4px;color:var(--navy)}.available h3{color:white}.card-bottom{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-top:auto;color:var(--muted)}.available .card-bottom{color:#c7e8f8}.card-bottom svg{width:17px;height:17px}.unavailable{background:#fbfdfe}
.reader-layout{display:grid;grid-template-columns:240px minmax(0,1fr);max-width:1640px;margin:0 auto}.reader-sidebar{border-right:1px solid var(--line);background:#fff;padding:32px 16px;display:flex;flex-direction:column;gap:8px}.sidebar-index{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--blue);padding:6px 12px 22px}.sidebar-label{margin:8px 12px 6px;font-size:11px;letter-spacing:1.5px;font-weight:700;color:#638095}.section-nav{display:flex;flex-direction:column;gap:3px}.section-link{display:flex;align-items:center;gap:12px;min-height:42px;border-radius:8px;padding:10px 12px;font-size:13px;color:var(--muted)}.section-link .section-number{font-size:11px;color:#688396;min-width:16px;font-weight:700}.section-link svg{margin-left:auto;width:15px;height:15px}.section-link.is-active{background:var(--pale);color:var(--blue);font-weight:700}.section-link.is-active .section-number{color:var(--blue)}.section-link:not(.is-unavailable):hover{background:var(--pale)}.sidebar-footer{margin:34px 12px 0;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}.sidebar-footer>span{font-weight:700;font-size:11px;letter-spacing:1px;display:inline-block;margin-bottom:7px}.reader-page{min-width:0;padding:32px 38px 38px}.breadcrumb{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px;line-height:1.5;margin-bottom:28px}.breadcrumb a{color:var(--blue);font-weight:700}.breadcrumb>span:nth-child(even){color:#91a7b5}.page-heading{margin-bottom:26px}.chapter-heading{display:flex;align-items:center;gap:12px;margin-bottom:14px}.chapter-number{background:var(--navy);color:#fff;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-weight:700;font-size:14px}.chapter-heading p{font-size:19px;color:var(--blue);font-weight:700;display:flex;align-items:center;gap:14px}.chapter-heading p>span{font-size:13px;border-left:1px solid #c2d6e2;padding-left:14px;font-weight:400;color:var(--muted)}.page-heading h1{font-size:clamp(28px,2.5vw,39px);line-height:1.17;letter-spacing:-1.1px;font-weight:700;color:var(--navy);margin:0;max-width:870px}.start-panel{display:flex;gap:16px;background:var(--pale);border:1px solid #cde7f4;border-radius:12px;padding:19px 22px;margin-bottom:26px}.start-marker{font-size:25px;color:var(--blue);padding-top:1px}.start-panel h2{font-size:11px;letter-spacing:1px;color:var(--blue);margin:0 0 8px;line-height:1.3}.start-panel p{font-size:15px;line-height:1.65;color:var(--ink);max-width:1000px}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.tasks-card,.reference-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 3px 14px rgba(21,57,78,.025)}.task-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line);background:#f8fbfc}.task-tabs button{position:relative;display:flex;align-items:flex-start;text-align:left;gap:9px;background:transparent;color:var(--muted);font-size:13px;font-weight:700;line-height:1.45;padding:20px 14px;min-height:88px;border-right:1px solid var(--line)}.task-tabs button:last-child{border-right:0}.task-tabs button span{flex-shrink:0;display:grid;place-items:center;width:21px;height:21px;border:1px solid #c0d6e3;border-radius:50%;font-size:11px;background:white;color:var(--blue)}.task-tabs button[aria-selected=true]{color:var(--navy);background:white}.task-tabs button[aria-selected=true]:after{content:'';height:3px;left:0;right:0;bottom:-1px;position:absolute;background:var(--cyan)}.task-tabs button[aria-selected=true] span{background:var(--navy);color:white;border-color:var(--navy)}.task-panel{padding:24px}.block-label{font-size:11px;letter-spacing:1.4px;font-weight:700;margin:0 0 14px;color:var(--blue)}.path-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.path-steps li{display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:1.5;color:var(--ink)}.path-steps li>span{padding-top:3px;color:var(--blue);font-size:11px;font-weight:700}.action-block{padding:20px;margin:23px 0;border-radius:10px;border:1px solid #e7dcf4;background:#f6f1fc}.action-block .block-label{color:var(--purple);margin-bottom:10px}.action-block>p{font-size:17px;line-height:1.6;color:#503088}.do-block{background:#f2f7fa;border-color:var(--line)}.do-block .block-label{color:var(--blue)}.do-block>p{color:var(--ink)}.task-actions{display:flex;gap:9px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 13px;border-radius:8px;font-size:12px;font-weight:700;line-height:1.5;transition:background .15s,box-shadow .15s}.button svg{width:16px;height:16px}.button.primary{background:var(--navy);color:white;border:1px solid var(--navy)}.button.primary:hover{background:var(--blue);border-color:var(--blue)}.button.secondary{color:var(--ink);border:1px solid #c4d7e3;background:white}.button.secondary:hover:not(:disabled){background:var(--pale);border-color:#85bfd9}.button.quiet{color:var(--muted);background:transparent}.button.quiet:hover{background:#f1f6f9}.task-note{font-size:13px;color:var(--muted);line-height:1.6;margin-top:19px}.simulation-status{font-size:13px;color:var(--blue);line-height:1.5;margin-top:12px;min-height:20px}.reference-card{padding:22px}.reference-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.reference-header .eyebrow{font-size:11px;letter-spacing:.7px}.reference-tabs{display:flex;border:1px solid #cee0e9;border-radius:7px;overflow:hidden;flex-shrink:0}.reference-tabs button{background:#f8fbfd;color:var(--blue);font-size:11px;font-weight:700;padding:8px 9px;line-height:1.4}.reference-tabs button[aria-selected=true]{background:var(--blue);color:white}.reference-description{font-size:14px;line-height:1.65;color:var(--ink);font-weight:600;margin-bottom:18px}.outlook-demo{border:1px solid #c1d6e2;border-radius:10px;overflow:hidden;height:310px;box-shadow:0 4px 12px rgba(14,60,85,.06);background:white;position:relative}.outlook-top{display:flex;align-items:center;gap:7px;background:#086bbe;height:35px;padding:5px 10px;color:white;font-size:11px}.outlook-symbol{background:white;color:#086bbe;font-size:12px;font-weight:700;width:17px;height:20px;text-align:center;line-height:20px;border-radius:3px}.outlook-search{background:#eaf3ff;color:#6a7b8b;margin:0 auto 0 10px;padding:5px 9px;border-radius:5px;font-size:10px;width:48%;white-space:nowrap}.avatar{background:#fff;color:#086bbe;width:21px;height:21px;display:grid;place-items:center;border-radius:50%;font-size:9px;font-weight:700}.outlook-toolbar{height:34px;background:#f5f6f8;border-bottom:1px solid #e2e7eb;display:flex;align-items:center;gap:14px;padding:0 11px;font-size:10px;color:#536777}.toolbar-more{font-size:18px}.copilot-control{margin-left:auto;color:white;background:linear-gradient(90deg,#6162eb,#8d48bb);padding:5px 8px;border-radius:5px;font-weight:700}.outlook-body{display:flex;height:calc(100% - 69px);min-width:0}.mail-sidebar{display:flex;flex-direction:column;gap:17px;background:#f0f4f8;width:31px;flex-shrink:0;align-items:center;padding-top:15px;border-right:1px solid #dfe6eb}.mail-folder{width:12px;height:12px;border:1px solid #b6c5d0;border-radius:3px;background:#cad4dc}.mail-folder.selected{background:#1676c3;border-color:#1676c3}.mail-list{width:26%;background:#fafcfd;padding:11px 7px;flex-shrink:0;border-right:1px solid #e0e8ed}.mail-item{padding:8px 5px;margin-bottom:12px}.mail-item.active{border-left:3px solid #1f75bd;background:#e9f3ff;border-radius:3px}.mail-item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px;margin-bottom:6px}.mail-item>span{display:block;height:4px;background:#dbe2e7;border-radius:5px;margin-bottom:4px;width:90%}.mail-item>span:last-child{width:65%}.compose-area{flex:1;min-width:0;padding:13px 9px}.compose-button{display:inline-block;color:#395b75;background:white;border:1px solid #c9d6de;border-radius:4px;font-size:10px;font-weight:700;padding:5px 6px;line-height:1.3}.compose-subject{font-size:9px;line-height:1.5;font-weight:700;margin:15px 0 12px}.text-lines{display:flex;flex-direction:column;gap:6px}.text-lines>span{height:5px;background:#e0e5e9;border-radius:5px;width:100%}.text-lines>span:nth-child(2){width:90%}.text-lines>span:nth-child(3){width:72%}.text-lines>span:nth-child(4){margin-top:5px;width:96%}.text-lines>span:nth-child(5){width:75%}.copilot-panel{position:absolute;right:0;top:69px;bottom:0;width:46%;background:white;padding:12px 10px 42px;border-left:1px solid #d5e0e7;opacity:0;transform:translateX(14px);transition:opacity .2s,transform .2s;pointer-events:none}.copilot-panel.opened{opacity:1;transform:translateX(0)}.copilot-title{color:var(--purple);font-size:12px;display:block;margin-bottom:10px}.demo-prompt{font-size:9px;line-height:1.5;color:#354f60;background:#edf4fe;padding:9px;border-radius:6px;max-height:112px;overflow:auto}.copilot-empty{text-align:center;font-size:10px;color:var(--muted);padding:12px 0}.copilot-empty>span{font-size:25px;color:var(--purple);display:block;margin-bottom:10px}.demo-result{margin-top:10px}.result-label{display:block;font-size:8px;font-style:italic;color:var(--muted);margin-bottom:7px}.result-buttons{display:flex;gap:5px;margin-top:10px}.result-buttons>span{padding:3px 7px;border:1px solid #cbd6dd;border-radius:4px;color:#526673;font-size:8px}.demo-input{position:absolute;bottom:9px;left:9px;right:9px;padding:8px;border:1px solid #d4dde5;border-radius:5px;color:#81929f;font-size:8px;display:flex;justify-content:space-between;gap:4px}.demo-input>span{background:#e7eef3;width:12px;height:12px;border-radius:3px;text-align:center}.highlight{box-shadow:0 0 0 3px rgba(38,173,228,.55);animation:highlight-in .4s ease-out}.demo-caption{font-size:11px;line-height:1.5;color:var(--muted);margin:10px 0 0}.reference-steps{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:14px}.reference-steps li{display:flex;gap:11px;align-items:flex-start;padding:0;transition:opacity .2s}.step-number{width:24px;height:24px;flex-shrink:0;display:grid;place-items:center;border-radius:6px;background:#ecf4f8;color:var(--blue);font-weight:700;font-size:11px;transition:background .2s,color .2s}.step-active .step-number{background:var(--blue);color:white}.reference-steps strong{font-size:13px;line-height:1.4;color:var(--blue)}.reference-steps p{font-size:12px;line-height:1.55;color:var(--muted);margin-top:4px}.official-image{position:relative;background:#f5f8fa;border:1px solid var(--line);width:100%;height:310px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:12px 12px 45px}.official-image img{width:100%;height:100%;object-fit:contain;object-position:center}.official-image>span{position:absolute;left:0;bottom:0;right:0;display:flex;gap:8px;align-items:center;justify-content:center;padding:10px;background:rgba(255,255,255,.93);color:var(--blue);font-size:12px;font-weight:700;border-top:1px solid var(--line)}.official-image svg{width:14px;height:14px}.lesson-footnote{display:flex;gap:12px;margin:24px 3px 30px;align-items:flex-start;color:var(--muted)}.lesson-footnote svg{width:18px;height:18px;flex-shrink:0;border:1px solid #8aa3b3;border-radius:50%;padding:1px;margin-top:1px}.lesson-footnote p{font-size:12px;line-height:1.65}.lesson-navigation{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--line)}.lesson-navigation>span{font-size:11px;color:var(--muted);line-height:1.5;text-align:center}
dialog{border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 80px rgba(3,27,42,.3);padding:24px;color:var(--ink);max-height:90vh}dialog::backdrop{background:rgba(6,43,66,.68);backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.dialog-header h2{margin:0;font-size:18px;color:var(--navy)}.icon-button{background:#edf4f8;color:var(--navy);width:36px;height:36px;border-radius:50%;font-size:25px;font-weight:400;line-height:1;flex-shrink:0}.menu-dialog{width:min(440px,calc(100% - 28px));padding:22px}.menu-dialog .section-link{min-height:42px}.image-dialog{width:min(1100px,calc(100% - 28px))}.image-dialog img{width:100%;max-height:72vh;object-fit:contain}#toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,16px);opacity:0;z-index:20;background:var(--navy);color:white;padding:13px 22px;border-radius:10px;font-size:14px;box-shadow:0 10px 26px rgba(6,43,66,.2);pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100% - 36px);text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}
@keyframes highlight-in{from{box-shadow:0 0 0 6px rgba(38,173,228,0)}to{box-shadow:0 0 0 3px rgba(38,173,228,.55)}}
@media(min-width:1600px){.reader-page{padding-left:48px;padding-right:48px}.task-panel{padding:30px}.reference-card{padding:26px}.outlook-demo,.official-image{height:350px}.task-tabs button{font-size:14px;min-height:84px;padding:20px 18px}.button{font-size:13px}.demo-prompt{font-size:10px}.mail-item strong,.compose-subject{font-size:10px}}
@media(max-width:1250px){.reader-layout{grid-template-columns:206px minmax(0,1fr)}.reader-sidebar{padding:28px 10px}.reader-page{padding:28px 26px}.lesson-grid{gap:18px}.task-tabs button{font-size:12px;padding:16px 10px;gap:6px}.task-tabs button span{width:18px;height:18px;font-size:10px}.reference-header{flex-direction:column;align-items:flex-start;gap:12px}.reference-card{padding:19px}.task-panel{padding:21px}.task-actions{gap:5px}.button{font-size:11px;padding:9px 10px}.action-block>p{font-size:16px}.outlook-demo,.official-image{height:295px}.lesson-navigation{gap:12px}.lesson-navigation>span{max-width:110px}.sidebar-label{font-size:10px}.section-link{font-size:12px;gap:9px}}
@media(max-width:1020px){.reader-layout{display:block}.reader-sidebar{display:none}.reader-page{max-width:930px;margin:auto;padding:30px 28px}.header-inner{padding:0 28px}.site-footer{padding:24px 28px}.menu-button{display:flex}.index-intro{grid-template-columns:1fr 320px;gap:34px}.index-page{padding:34px 28px 48px}.cover-art{height:290px}.intro-copy h1{font-size:60px}.index-intro{margin-bottom:36px}.application-card{padding:18px}.application-card h3{font-size:18px}.task-tabs button{font-size:13px}.button{font-size:12px}.reference-header{flex-direction:row;align-items:center}.reference-header .eyebrow{font-size:10px}.reference-tabs button{font-size:10px;padding:8px}.header-nav{gap:18px}}
@media(max-width:760px){.site-header{height:72px}.header-inner{padding:0 20px;gap:12px}.brand{gap:14px}.brand img{width:138px}.brand-divider{height:23px}.brand-label{font-size:12px}.header-nav{gap:12px}.header-nav .index-link{display:none}.preview-tag{padding:6px 8px;font-size:11px}.menu-button{padding:6px}.index-page{padding:28px 20px 38px}.index-intro{grid-template-columns:1fr 220px;gap:24px}.intro-copy .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:17px}.intro-copy h1{font-size:45px;letter-spacing:-2px}.intro-description{font-size:16px}.index-count{font-size:12px;margin-top:18px}.cover-art{height:258px;border-radius:18px}.cover-label{font-size:11px;padding:30px 15px 16px}.section-heading{align-items:flex-start;flex-direction:column;gap:8px}.section-heading h2{font-size:24px}.section-heading>p{font-size:12px}.application-grid{grid-template-columns:repeat(2,1fr);gap:12px}.application-card{min-height:162px;padding:18px}.reader-page{padding:24px 20px 30px}.breadcrumb{font-size:11px;gap:9px;margin-bottom:24px}.page-heading{margin-bottom:22px}.page-heading h1{font-size:31px;line-height:1.2;letter-spacing:-.9px;max-width:530px}.chapter-heading p{font-size:18px}.chapter-number{width:34px;height:34px;font-size:13px;border-radius:8px}.lesson-grid{grid-template-columns:1fr;gap:20px}.start-panel{gap:12px;padding:17px 18px;margin-bottom:22px}.start-panel p{font-size:14px}.start-marker{font-size:22px}.task-tabs button{font-size:13px;min-height:80px;padding:18px 13px;gap:8px}.task-tabs button span{width:21px;height:21px;font-size:11px}.task-panel{padding:24px}.action-block>p{font-size:17px}.path-steps li{font-size:15px}.button{font-size:12px;padding:10px 13px}.task-actions{gap:8px}.reference-card{padding:24px}.reference-header .eyebrow{font-size:11px}.reference-tabs button{font-size:11px;padding:8px 10px}.reference-description{font-size:14px}.outlook-demo,.official-image{height:330px}.reference-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.reference-steps li{flex-direction:column;gap:9px}.reference-steps strong{font-size:12px}.reference-steps p{font-size:11px}.lesson-navigation{flex-wrap:wrap}.lesson-navigation>span{max-width:none;order:3;width:100%;text-align:left;margin-top:3px}.lesson-footnote{margin-bottom:24px}.site-footer{padding:20px;flex-direction:column;gap:5px;font-size:11px}.demo-prompt{font-size:10px}.compose-subject,.mail-item strong{font-size:10px}.demo-input{font-size:9px}}
@media(max-width:480px){.brand-divider,.brand-label{display:none}.header-inner{padding:0 18px}.brand img{width:143px}.index-intro{grid-template-columns:1fr;gap:22px;margin-bottom:30px}.intro-copy h1{font-size:52px}.intro-description br{display:none}.intro-description{max-width:280px}.cover-art{height:185px}.cover-art img{object-position:center 47%}.cover-label{font-size:12px}.index-count{font-size:12px;margin-top:15px}.application-card{min-height:158px;padding:17px}.application-card h3{font-size:18px}.card-bottom{font-size:11px}.reader-page{padding:22px 16px 28px}.breadcrumb{gap:8px;flex-wrap:wrap}.page-heading h1{font-size:29px}.start-panel{padding:17px 15px;gap:10px}.task-tabs button{padding:16px 10px;font-size:12px;min-height:91px;flex-direction:column;gap:7px}.task-panel{padding:20px}.action-block{padding:18px;margin:20px 0}.action-block>p{font-size:16px}.task-actions{gap:6px}.button{font-size:11px;padding:10px 11px}.task-actions .quiet{padding-left:5px;padding-right:5px}.reference-card{padding:20px}.reference-header{gap:10px;flex-direction:column;align-items:flex-start}.reference-tabs button{font-size:12px;padding:9px 12px}.outlook-demo,.official-image{height:300px}.demo-prompt{font-size:9px}.compose-subject,.mail-item strong{font-size:9px}.reference-steps{display:flex;flex-direction:column;gap:15px}.reference-steps li{flex-direction:row;gap:10px}.reference-steps strong{font-size:13px}.reference-steps p{font-size:12px}.lesson-navigation .button{font-size:12px}.next-preview{display:none}.dialog-header h2{font-size:16px}.image-dialog{padding:16px}.site-footer{padding:20px 18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Abertura direta no manual, sem capa ou página de cartões. */
.sidebar-title{display:flex;align-items:center;gap:10px;margin:6px 12px 20px;color:var(--blue);font-size:14px;font-weight:700;line-height:1.5}.instructions-link{margin-bottom:8px;font-size:14px;font-weight:700}.instructions-link .section-number>svg{width:16px;height:16px;margin:0}.instructions-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.instruction-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.instruction-card h2{margin:0 0 22px;color:var(--navy);font-size:21px;letter-spacing:-.4px;line-height:1.35}.orientation-list{margin:0;display:flex;flex-direction:column;gap:17px}.orientation-list>div{display:grid;grid-template-columns:66px minmax(0,1fr);gap:14px;align-items:start}.orientation-list dt{color:var(--blue);font-weight:700;font-size:12px;letter-spacing:.6px;line-height:1.7;padding-top:2px}.orientation-list dd{margin:0;font-size:16px;line-height:1.6;color:var(--ink)}.orientation-list .prompt-orientation dt{color:var(--purple)}.instruction-note{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.6}.control-guide{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:19px}.control-guide li{display:flex;gap:13px;align-items:flex-start}.control-guide li>svg{color:var(--blue);width:18px;height:18px;margin-top:2px}.control-guide strong{font-size:14px;color:var(--ink);line-height:1.5}.control-guide p{font-size:14px;color:var(--muted);line-height:1.6;margin-top:4px}.instructions-footnote{margin:22px 3px}.instructions-footnote p{font-size:13px}.contacts-card{padding:26px 28px}.contacts-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.contacts-heading h2{margin:7px 0 0;font-size:24px}.contacts-heading>p{font-size:14px;line-height:1.6;color:var(--muted);max-width:290px}.contact-list{display:grid;grid-template-columns:1fr 1.15fr .8fr;gap:24px;margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line)}.contact-list dt{font-size:11px;letter-spacing:1px;color:var(--muted);font-weight:700;margin-bottom:9px}.contact-list dd{margin:0;font-size:16px;font-weight:700;line-height:1.5;overflow-wrap:anywhere}.contact-list a{color:var(--blue)}.contact-list a:hover{text-decoration:underline;text-underline-offset:4px}.instructions-start{display:flex;margin-top:24px}.instructions-start .button{font-size:14px;padding:12px 18px}
@media(max-width:1250px){.instructions-grid{gap:18px}.instruction-card{padding:22px}.instruction-card h2{font-size:20px}.orientation-list>div{grid-template-columns:60px minmax(0,1fr);gap:10px}.contact-list{gap:18px}.contact-list dd{font-size:15px}}
@media(max-width:760px){.instructions-grid{grid-template-columns:1fr;gap:20px}.instruction-card{padding:24px}.contacts-heading{align-items:flex-start;flex-direction:column;gap:12px}.contacts-heading>p{max-width:none}.contact-list{grid-template-columns:1fr;gap:22px}.contact-list dd{font-size:17px}.instructions-start .button{width:100%}.orientation-list dd{font-size:16px}.instructions-footnote p{font-size:13px}}
@media(max-width:480px){.instruction-card{padding:21px}.orientation-list>div{grid-template-columns:58px minmax(0,1fr);gap:10px}.instruction-card h2{font-size:20px}.contacts-heading h2{font-size:23px}}
/* Navegação e conteúdo de todo o manual. */
.reader-sidebar{align-self:start;position:sticky;top:0;max-height:100vh;overflow-y:auto;scrollbar-width:thin}
.section-screens{list-style:none;margin:3px 0 10px 23px;padding:0 0 0 12px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:3px}.section-screens a{display:flex;align-items:flex-start;gap:8px;padding:7px 7px;color:var(--muted);font-size:11px;line-height:1.45;border-radius:6px}.section-screens a>span{flex-shrink:0;font-size:10px;font-weight:700;color:var(--blue);padding-top:1px}.section-screens a:hover,.section-screens a[aria-current=page]{background:var(--pale);color:var(--blue)}.section-screens a[aria-current=page]{font-weight:700}
.screen-selector{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:-5px 0 25px;padding:12px 15px;background:#fff;border:1px solid var(--line);border-radius:10px;min-width:0}.screen-selector label{font-size:10px;font-weight:700;letter-spacing:.7px;color:var(--blue);line-height:1.5}.screen-selector select{flex:1;min-width:180px;max-width:100%;padding:9px 30px 9px 10px;border:1px solid #c4d7e3;border-radius:6px;font:inherit;font-size:12px;line-height:1.5;color:var(--ink);background:white;overflow:hidden;text-overflow:ellipsis}.screen-selector select:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.screen-selector>span{font-size:10px;line-height:1.5;color:var(--muted);white-space:nowrap}
.task-tabs[data-task-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}.task-tabs[data-task-count="1"]{grid-template-columns:1fr}.task-tabs button{overflow-wrap:anywhere}
.tabs-guide{display:flex;align-items:flex-start;gap:24px;margin-bottom:24px;background:linear-gradient(120deg,#fff,#f3fbff)}.tabs-guide h2{margin:0 0 10px}.tabs-guide p{font-size:15px;line-height:1.75;color:var(--ink)}.tabs-guide-numbers{display:flex;gap:7px;flex-shrink:0;padding-top:3px}.tabs-guide-numbers span{display:grid;place-items:center;border-radius:50%;width:31px;height:31px;background:var(--pale);border:1px solid #b9dcea;color:var(--blue);font-size:13px;font-weight:700}.tabs-guide-numbers span:first-child{background:var(--navy);border-color:var(--navy);color:white}
.walkthrough-demo{border:1px solid #c7dce7;background:#f8fbfd;border-radius:12px;padding:17px;min-height:300px;overflow:hidden}.walkthrough-heading{display:flex;align-items:center;gap:9px;margin-bottom:16px}.walkthrough-spark{color:var(--purple);background:#eee9f9;width:31px;height:31px;display:grid;place-items:center;border-radius:9px;font-size:22px;flex-shrink:0}.walkthrough-heading>div{display:flex;flex-direction:column;gap:3px;min-width:0}.walkthrough-heading strong{font-size:13px;line-height:1.3;color:var(--navy)}.walkthrough-heading>div>span{font-size:10px;line-height:1.4;color:var(--muted)}.walkthrough-counter{margin-left:auto;font-size:10px;font-weight:700;color:var(--blue);background:var(--pale);border-radius:4px;padding:5px 7px;white-space:nowrap}.walkthrough-title{font-size:13px;font-weight:700;line-height:1.5;margin-bottom:14px;color:var(--ink)}.walkthrough-path{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.walkthrough-path li{display:flex;align-items:flex-start;gap:9px;background:#fff;border:1px solid #e1eaf0;border-radius:7px;padding:9px;opacity:.55;transition:opacity .2s,background .2s,border-color .2s}.walkthrough-path li>span{width:21px;height:21px;display:grid;place-items:center;border-radius:50%;border:1px solid #c7dce7;color:var(--blue);background:white;flex-shrink:0;font-size:10px;font-weight:700}.walkthrough-path li>span>svg{width:12px;height:12px}.walkthrough-path p{font-size:12px;line-height:1.5;overflow-wrap:anywhere}.walkthrough-path li.is-revealed{opacity:1;border-color:#b9dcea}.walkthrough-path li.is-current{border-color:var(--cyan);background:var(--pale);box-shadow:0 0 0 2px rgba(38,173,228,.14)}.walkthrough-path li.is-revealed>span{background:var(--blue);border-color:var(--blue);color:white}.walkthrough-action{margin-top:13px;border:1px dashed #cbdce6;border-radius:8px;padding:13px;background:white;opacity:.55;transition:opacity .2s}.walkthrough-action .block-label{display:block;font-size:9px;margin-bottom:7px}.walkthrough-action p{font-size:12px;line-height:1.6;overflow-wrap:anywhere}.walkthrough-action.is-revealed{opacity:1;border-style:solid;border-color:#b9dcea}.walkthrough-action.is-prompt.is-revealed{background:#f6f1fc;border-color:#dfd1f0;color:#503088}.walkthrough-action.is-prompt .block-label{color:var(--purple)}.walkthrough-review{display:flex;gap:8px;padding-top:13px;font-size:11px;line-height:1.6;color:var(--muted)}.walkthrough-review>svg{width:16px;height:16px;color:var(--blue);margin-top:2px}
.reference-header{flex-wrap:wrap}.capture-label{font-size:11px;font-weight:700;line-height:1.6;color:var(--blue);margin:0 0 10px}.capture-unavailable{display:flex;align-items:center;flex-direction:column;gap:17px;min-height:230px;justify-content:center;background:#f5f8fa;border:1px solid var(--line);border-radius:10px;padding:30px;text-align:center;font-size:14px;line-height:1.7;color:var(--muted)}.capture-unavailable>svg{width:35px;height:35px;color:var(--blue)}.source-link{display:inline-flex;align-items:flex-start;gap:7px;color:var(--blue);font-size:12px;line-height:1.6;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.source-link svg{width:13px;height:13px;margin-top:3px}.source-link:hover{color:var(--navy)}.capture-source{margin-top:13px}.official-image img{max-height:100%}
.review-card{margin:25px 0 28px;padding:21px 24px;background:white;border:1px solid var(--line);border-radius:12px}.review-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.review-heading>svg{color:var(--blue);width:17px;height:17px}.review-heading h2{font-size:15px;color:var(--navy);line-height:1.5;margin:0}.review-heading>span{margin-left:auto;font-size:10px;color:var(--muted);line-height:1.5}.review-summary,.availability-note{font-size:13px;line-height:1.7;color:var(--muted)}.availability-note{margin-top:10px;color:var(--ink)}.review-sources{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 18px;border-top:1px solid var(--line);padding-top:15px;margin-top:16px}.review-sources>span{font-size:10px;font-weight:700;line-height:1.6;color:var(--muted);letter-spacing:.4px;padding-top:2px}.review-changes{padding-top:15px;margin-top:16px;border-top:1px solid var(--line);font-size:12px;line-height:1.6;color:var(--muted)}.review-changes summary{color:var(--blue);cursor:pointer;font-weight:700}.review-changes ul{margin:12px 0 0;padding-left:20px}.review-changes li+li{margin-top:7px}
@media(max-width:1250px){.screen-selector label{width:100%}.screen-selector>span{font-size:9px}.tabs-guide{gap:18px}.walkthrough-demo{padding:14px}.review-card{padding:20px}.reference-header{flex-direction:column;align-items:flex-start}}
@media(max-width:1020px){.reader-sidebar{position:static;max-height:none}.menu-dialog .section-screens a{font-size:12px}.reference-header{flex-direction:row;align-items:center}}
@media(max-width:760px){.screen-selector{gap:10px;padding:12px;margin-bottom:22px}.screen-selector select{min-width:0;width:100%;flex-basis:100%;font-size:13px}.screen-selector>span{font-size:10px}.tabs-guide{flex-direction:column;gap:15px;margin-bottom:20px}.tabs-guide p{font-size:14px}.walkthrough-demo{padding:18px}.walkthrough-path p,.walkthrough-action p{font-size:13px}.review-heading>span{margin-left:0;width:100%}.review-sources{flex-direction:column;gap:10px}.review-sources .source-link{font-size:13px}.review-card{padding:21px}.lesson-navigation .button{font-size:12px}}
@media(max-width:480px){.reference-header{flex-direction:column;align-items:flex-start}.reference-tabs button{font-size:11px;padding:9px 10px}.walkthrough-demo{padding:14px}.walkthrough-heading{gap:8px}.walkthrough-counter{font-size:9px}.walkthrough-heading strong{font-size:12px}.review-heading h2{font-size:14px}.review-card{padding:19px}.tabs-guide-numbers span{width:28px;height:28px}.lesson-navigation{gap:10px}.lesson-navigation>span{order:3}}