:root{--brand-red:#bb2424}
.brand.brand-zh{display:block;width:min(410px,100%);flex-shrink:1;line-height:1.15}.brand-zh img{display:block;width:100%;height:auto}.brand-zh small{display:block;font-size:14px;line-height:1.35;letter-spacing:.055em;color:#172747;text-align:center;font-weight:750;margin-top:-3px}.brand:not(.brand-zh) .mark{color:#be2521;border-color:#b92323;box-shadow:2px 2px 0 #801820,4px 4px 7px #0002;text-shadow:1px 2px 0 #791a20}.brand:not(.brand-zh) .brand-name{color:#ba2924;text-shadow:0 1px 0 #801820}.brand-name small{color:#172747;text-shadow:none}.header .nav{flex-wrap:wrap}.header .menu{display:block;flex-shrink:0}.header .navlinks{display:none;width:100%;flex-basis:100%;padding:18px 0;flex-wrap:wrap}.header .navlinks.open{display:flex}.header .nav{justify-content:space-between}.footer .brand{max-width:340px}.learning-wrap{max-width:960px;margin:0 auto;padding:40px 24px 70px}.learning-wrap h1{font-size:clamp(2rem,6vw,3.5rem)}.learning-card{border:1px solid #d8dfeb;border-radius:12px;padding:26px;margin:24px 0;background:#fff}.learning-card h2{font-size:1.6rem;margin-top:0}.learning-card label{display:block;margin:16px 0 7px}.learning-card input:not([type=checkbox]),.learning-card textarea{width:100%;border:1px solid #8393b1;border-radius:6px;padding:12px;font:inherit}.learning-card input[type=checkbox]{margin-right:10px;width:20px;height:20px;vertical-align:middle}.learning-card button{cursor:pointer;font:inherit}.learning-card button:disabled{opacity:.55;cursor:wait}.learning-card .actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.learning-card p{overflow-wrap:anywhere}.learning-status{padding:12px 0;min-height:40px;white-space:pre-line}.learning-note{color:#526079}.learning-card summary{cursor:pointer;font-weight:700}.learning-card .danger{color:#a31d25;background:white;border:1px solid #a31d25;padding:10px 18px;border-radius:6px}.learning-card [hidden],[hidden]{display:none!important}.resume-link{display:block;padding:18px;background:#fff4f1;border-left:4px solid #bd302a;margin:20px 0}.progress-stat{font-size:1.35rem;font-weight:700}.account-email{font-weight:700}.sync-row{border-top:1px solid #e1e5eb;padding-top:20px;margin-top:20px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #2760da;outline-offset:4px}@media(max-width:600px){.header .brand-zh{width:calc(100% - 62px);max-width:360px}.header .brand-zh small{font-size:14px;letter-spacing:0;margin-top:0}.header .nav{gap:14px;padding-top:12px;padding-bottom:14px}.learning-card{padding:20px}.learning-wrap{padding:26px 20px}.header .brand:not(.brand-zh){max-width:calc(100% - 55px)}.header .brand-name{font-size:1.45rem}.header .brand-name small{font-size:.8rem}.header .mark{font-size:1.7rem;width:48px;min-width:48px;height:53px}.actions .button{white-space:normal}}