:root{--ink:#171044;--navy:#19056f;--purple:#650986;--magenta:#c90050;--red:#eb2414;--orange:#f49a00;--paper:#f7f5fb;--line:#e6e1ed;--muted:#6f697b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit;color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.narrow{max-width:980px}.header{height:82px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:5}.header-inner{height:100%;display:flex;align-items:center;gap:32px}.logo img{display:block;width:195px}.header nav{display:flex;gap:24px;margin-left:auto;font-size:13px;font-weight:700}.header nav 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.classroom{display:grid;grid-template-columns:330px 1fr;min-height:calc(100vh - 82px)}.lesson-nav{border-right:1px solid var(--line);padding-bottom:40px}.lesson-nav h3{padding:22px;margin:0}.lesson-nav>b{display:block;padding:13px 20px;background:#f3f0f6;font-size:12px}.lesson-nav>a{display:block;padding:12px 20px;font-size:12px;border-bottom:1px solid #f0edf3;color:var(--muted)}.lesson-nav>a.active{background:#f9e8f0;color:var(--magenta);border-left:3px solid var(--magenta);font-weight:bold}.lesson-content{padding:34px 45px;max-width:1050px}.video{aspect-ratio:16/8.5;background:#08080b;border-radius:13px;overflow:hidden;margin-bottom:28px}.video iframe{width:100%;height:100%;border:0}.lesson-content h1{font-size:34px}.download{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;padding:15px;gap:15px;margin:20px 0}.download>b{background:#f7e4ed;color:var(--magenta);padding:10px}.download strong{margin-left:auto;color:var(--magenta)}.complete-form,.consult-box{border-top:1px solid var(--line);padding-top:22px;margin-top:28px}.complete-form{display:flex;justify-content:space-between;align-items:center}
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.campus-card .btn+.btn{margin-left:8px}.my-question{margin-top:16px;padding:16px;border-radius:10px;background:#f7f4fa}.my-question strong{color:var(--magenta)}.my-question p{margin:7px 0}.certificate-body{min-height:100vh;background:#eeeaf3;display:grid;place-items:center;padding:25px}.certificate{width:min(1000px,100%);min-height:680px;background:#fff;border:14px solid var(--navy);outline:5px solid var(--orange);padding:65px;text-align:center;position:relative}.certificate img{width:220px}.certificate>span{display:block;letter-spacing:.22em;font-weight:bold;color:var(--magenta);margin:50px 0 22px}.certificate h1{font-size:52px;margin:12px 0;border-bottom:1px solid var(--line);padding-bottom:15px}.certificate h2{font-size:31px;color:var(--navy)}.certificate>strong{display:block;color:#777;margin-top:25px}.signature{margin:55px 0 25px;font-weight:bold}.signature small{font-weight:normal;color:#777}.certificate .btn{position:absolute;right:20px;bottom:20px}@media print{.no-print{display:none!important}.certificate-body{padding:0;background:#fff}.certificate{width:100%;height:100vh}}