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span{align-items:center;gap:5px;font-size:10px;font-weight:700;display:flex}.sync-status small{color:#8b96a7;font-size:8px}.pulse{background:#e89b25;border-radius:50%;width:7px;height:7px;display:block}.sync-card h4{font-size:15px}.offline-file{border-top:1px solid #e7ecf2;align-items:center;gap:10px;padding:12px 0;display:flex}.file-mark{background:var(--sky);width:34px;height:34px;color:var(--blue);border-radius:8px;place-items:center;display:grid}.file-mark.m1{color:#b77109;background:#fff2dd}.file-mark.m2{color:var(--violet);background:#eee9ff}.offline-file p{color:var(--ink);flex-direction:column;flex:1;margin:0;line-height:1.2;display:flex}.offline-file strong{font-size:9px}.offline-file small{color:#7e8a9a;font-size:8px}.offline-file>svg{color:var(--green)}.faq-section{padding-top:105px;padding-bottom:110px}.faq-list{border-top:1px solid var(--line);max-width:760px;margin:auto}details{border-bottom:1px solid var(--line);padding:20px 3px}summary{cursor:pointer;justify-content:space-between;align-items:center;font-weight:650;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary span{color:var(--blue);font-size:24px;font-weight:300}details[open] summary span{transform:rotate(45deg)}details p{color:var(--muted);max-width:680px;font-size:14px;line-height:1.65}.cta-section{color:#fff;text-align:center;background:linear-gradient(135deg,#164fbf,#123d95);padding:70px 20px}.cta-section>div{flex-direction:column;align-items:center;display:flex}.cta-section h2{letter-spacing:-1.5px;margin:15px 0 6px;font-size:38px}.cta-section p{color:#c6d7f5}.button-light{color:var(--blue);background:#fff;margin:12px 0}.cta-section small{color:#abc1e8}footer{color:#c7d2e3;background:#0b1e3d;padding:60px 0 25px}.footer-inner{grid-template-columns:2fr 1fr 1fr 1fr;gap:45px;display:grid}.footer-brand .brand{color:#fff}.footer-brand p{color:#8799b7;font-size:13px}.footer-inner>div:not(.footer-brand){flex-direction:column;gap:11px;font-size:12px;display:flex}.footer-inner>div>strong{color:#fff;margin-bottom:5px}.footer-inner a:hover{color:#fff}.footer-bottom{color:#7f92b1;border-top:1px solid #263b5d;grid-template-columns:1fr 2fr;gap:50px;margin-top:45px;padding-top:22px;font-size:9px;line-height:1.5;display:grid}.auth-page{background:#fbfcfe;grid-template-columns:1.1fr .9fr;min-height:100vh;display:grid;position:relative}.auth-back{color:var(--muted);z-index:2;align-items:center;gap:7px;font-size:13px;display:flex;position:absolute;top:25px;left:30px}.auth-panel{width:min(430px,100% - 40px);margin:auto;padding:70px 0 40px}.auth-brand{width:max-content;margin-bottom:48px}.auth-heading h1{letter-spacing:-1.2px;margin:0 0 8px;font-size:34px}.auth-heading p{color:var(--muted);margin-bottom:28px;font-size:14px}.auth-panel form{flex-direction:column;gap:17px;display:flex}.auth-panel label{flex-direction:column;gap:7px;font-size:12px;font-weight:650;display:flex}.input-wrap{color:#8a97aa;background:#fff;border:1px solid #cfd9e7;border-radius:9px;align-items:center;gap:10px;height:47px;padding:0 13px;display:flex}.input-wrap:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px #e5efff}.input-wrap input{color:var(--ink);border:0;outline:0;flex:1;min-width:0}.input-wrap button{color:#738097;cursor:pointer;background:0 0;border:0;place-items:center;display:grid}.form-meta{justify-content:space-between;align-items:center;font-size:11px;display:flex}.form-meta a,.auth-switch a,.terms a{color:var(--blue);font-weight:650}.checkbox{color:#5c6980;align-items:flex-start;flex-direction:row!important;gap:7px!important;font-weight:500!important;display:flex!important}.checkbox input{accent-color:var(--blue)}.terms{line-height:1.5}.auth-submit{width:100%;height:48px}.auth-submit:disabled{opacity:.75}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.or{color:#8b97a8;align-items:center;gap:10px;margin:23px 0;font-size:10px;display:flex}.or:before,.or:after{content:"";background:#e0e6ee;flex:1;height:1px}.social-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.social-row button{cursor:pointer;color:#3c4960;background:#fff;border:1px solid #d7e0eb;border-radius:9px;height:44px}.social-row button:hover{background:#f5f8fc}.social-row b{color:#4285f4;margin-right:7px}.social-row i{background:conic-gradient(#f25022 0 25%,#7fba00 0 50%,#00a4ef 0 75%,#ffb900 0);width:13px;height:13px;margin-right:7px;display:inline-block}.auth-switch{text-align:center;color:var(--muted);margin:22px 0;font-size:12px}.auth-notice{color:#768399;border-top:1px solid #e1e7ef;justify-content:center;align-items:center;gap:7px;padding-top:18px;font-size:10px;display:flex}.success-message{color:#176b52;background:#e9f8f2;border:1px solid #ccecdf;border-radius:9px;margin-bottom:18px;padding:12px;font-size:12px;line-height:1.5}.auth-aside{color:#fff;background:linear-gradient(145deg,#143e87,#0c2858);place-items:center;padding:70px;display:grid;position:relative;overflow:hidden}.auth-aside:after,.auth-aside:before{content:"";border:1px solid #ffffff1a;border-radius:50%;width:500px;height:500px;position:absolute;top:-180px;right:-230px}.auth-aside:after{width:360px;height:360px;top:auto;bottom:-200px;right:-120px}.auth-aside>div{z-index:1;max-width:440px;position:relative}.auth-aside h2{letter-spacing:-1.7px;font-size:41px;line-height:1.15}.auth-aside p{color:#c5d5ee;line-height:1.7}.auth-quote{color:#d9e5f8;border-left:2px solid #7fa9ef;margin-top:34px;padding:12px 0 12px 18px;font-size:14px}@media (max-width:900px){.nav-actions,nav{display:none}nav.open{border-bottom:1px solid var(--line);background:#fff;flex-direction:column;gap:20px;padding:22px 25px;display:flex;position:absolute;top:72px;left:0;right:0;box-shadow:0 15px 25px #14284614}.mobile-account{border-top:1px solid var(--line);align-items:center;gap:12px;padding-top:18px;display:flex}.menu-button{background:0 0;border:0;place-items:center;display:grid}.hero{text-align:center;grid-template-columns:1fr;padding-top:55px}.hero-copy{flex-direction:column;align-items:center;display:flex}.hero-product{width:min(620px,100%);margin:auto}.credibility-strip{flex-wrap:wrap;gap:20px;padding:25px}.benefits-inner,.security-section,.offline-inner{grid-template-columns:1fr;gap:55px}.teacher-card{margin-bottom:40px}.security-art{order:2}.offline-inner>div:first-child{text-align:center}.offline-pills{justify-content:center}.offline-note{display:block}.footer-inner{grid-template-columns:2fr 1fr 1fr}.footer-brand{grid-column:1/-1}.auth-page{grid-template-columns:1fr}.auth-aside{display:none}}@media (max-width:650px){.section-shell,.nav-shell{width:min(100% - 28px,1180px)}.nav-shell{height:64px}.hero{gap:25px;padding:45px 0 60px}.hero h1{letter-spacing:-2.2px;font-size:45px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column;width:100%}.hero-actions .button{width:100%}.trust-row{flex-wrap:wrap;justify-content:center}.hero-product{padding:15px 0 35px}.app-window{height:355px}.app-sidebar{width:42px;padding:15px 9px}.app-body{padding:13px}.quick-grid>div:nth-child(3){display:none}.quick-grid{grid-template-columns:1fr 1fr}.float-top{right:-5px}.float-bottom{left:-5px}.credibility-strip>span{text-align:center;width:100%}.modules-section,.faq-section{padding-top:75px;padding-bottom:75px}.section-intro h2,.benefit-copy h2,.security-section h2,.offline-section h2{font-size:34px}.module-grid{scroll-snap-type:x mandatory;padding:4px 2px 25px;display:flex;overflow:auto}.module-card{scroll-snap-align:start;min-width:82%}.benefits-inner,.security-section,.offline-inner{padding-top:75px;padding-bottom:75px}.benefits-inner{gap:45px}.teacher-card{padding:30px}.teacher-card blockquote{font-size:17px}.time-card{width:auto;margin:28px -8px -50px;position:relative;bottom:auto;right:auto}.shield-ring{width:230px;height:230px}.security-section ul{grid-template-columns:1fr}.offline-pills{flex-wrap:wrap}.sync-card{width:min(310px,100%)}.cta-section h2{font-size:32px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{grid-template-columns:1fr;gap:10px}.auth-back{top:17px;left:17px}.auth-panel{padding-top:70px}.auth-brand{margin-bottom:38px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}