.course-reader{padding:35px 44px;max-width:900px;margin:auto}.course-reader h1{font-size:34px;line-height:1.3;font-family:StudySans,'Segoe UI',Arial,sans-serif;font-weight:650;letter-spacing:-.6px}.course-reader p{font-size:18px;line-height:1.95}.course-reader h3{margin-top:32px;font-size:23px}.course-reader .reader-controls{align-items:stretch;flex-wrap:nowrap;margin-top:38px}.course-reader .reader-controls .button:last-child{max-width:68%;text-align:left;line-height:1.7}.reading-bar{max-width:900px;margin:0 auto 24px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#677b60}.reading-note{max-width:820px;margin:24px auto;font-size:12px;line-height:1.8;color:#69815e}.course-reader th,.course-reader td{font-size:14px}.question-body{margin-top:20px}.course-reader .qa-label{font-size:19px!important}.course-reader .equation{background:#f7f9f2;border-radius:10px;padding:16px}.course-reader .reader-controls .button:first-child{max-width:30%}.course-reader figure{background:white}.scope-note{font-size:11px}
@media(max-width:670px){.course-reader{padding:26px 21px}.course-reader h1{font-size:27px}.course-reader p{font-size:17px;line-height:1.95}.course-reader h3{font-size:21px}.reading-bar{font-size:11px;margin-bottom:18px}.reading-bar>span{max-width:75%}.course-reader .reader-controls{flex-direction:column;gap:14px}.course-reader .reader-controls .button:first-child,.course-reader .reader-controls .button:last-child{max-width:100%;width:100%;font-size:14px}.simple-nav{gap:10px}.simple-nav button{font-size:10px}.reader .display-math{max-height:170px}}