.stu-hello{margin:4px 0 14px}.stu-hello small{display:block;color:var(--ink-3);font-size:14px}.stu-subj{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;margin:12px 0}@media (min-width:720px){.stu-subj{grid-template-columns:repeat(4,minmax(0,1fr))}}.stu-sbtn{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:64px;padding:12px 14px;border-radius:var(--r3);color:#fff;text-decoration:none;border:2px solid transparent;font-size:16px;text-align:left}.stu-sbtn.off{background:#fff;border-width:2px;border-style:solid}.stu-sbtn .ic{background:rgba(255,255,255,.2);color:#fff}.stu-keys{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-gap:8px;gap:8px}.stu-keys li{display:flex;gap:10px;align-items:flex-start;font-size:16px}.stu-keys .ln{flex:0 0 28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--b-soft);color:var(--b-deep);font-weight:800;font-size:14px}.stu-hot{border-color:var(--sun);background:var(--sun-soft)}.stu-prog{height:6px;border-radius:99px;background:#E6EAF5;overflow:hidden;margin-bottom:12px}.stu-prog i{display:block;height:100%;background:var(--b);border-radius:99px}.stu-qpic{max-width:100%;border-radius:12px;margin-bottom:10px}.stu-opt{border-radius:12px;min-height:56px}.stu-opt.on{background:var(--b-soft)}.stu-opt.ok{background:var(--g-soft);color:var(--g-deep)}.stu-opt.no{background:var(--sun-soft)}.stu-prev{border:0;background:none;color:var(--ink-3);font-weight:700;min-height:44px;padding:0 4px}.stu-prev:disabled{opacity:.4}a.stu-post{display:grid;grid-gap:4px;gap:4px;text-decoration:none;color:inherit}.stu-post h3{font-size:17px;margin:4px 0 0}.stu-ok{color:var(--g-deep);font-weight:700;display:inline-flex;align-items:center;gap:4px}.stu-qitem{display:grid;grid-gap:8px;gap:8px;border-top:1px solid var(--line);padding-top:12px;margin-bottom:12px}.stu-code{display:block;font-size:28px;letter-spacing:.14em;font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--b-deep)}.stu-decide{display:grid;grid-gap:8px;gap:8px;border-top:1px solid var(--line);margin-top:12px;padding-top:12px}.stu-rollrow{flex-wrap:wrap}.stu-cert{border:10px double var(--b-deep);border-radius:8px;padding:28px 40px;text-align:center;height:100%;display:flex;flex-direction:column;justify-content:center;gap:4px}.stu-cert h1{font-size:30pt;color:var(--b-deep);margin:6px 0 0}.stu-cert h2{font-size:24pt;margin:4px 0}.stu-cert p{font-size:12pt;margin:2px 0}.stu-cert .en{color:var(--ink-3);font-size:10pt}.stu-cert .big{font-size:14pt;margin-top:10px}.stu-cert-mark{font-weight:800;font-size:16pt;color:var(--b-deep)}.stu-sign{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px;margin-top:30px;align-items:end}.stu-sign div{border-top:1.5px solid var(--ink);padding-top:6px}.stu-sign div.dash{border-top-style:dashed}.stu-sign small{display:block}.stu-cert .ser,.stu-sign small{font-size:9pt;color:var(--ink-3)}.stu-cert .ser{margin-top:16px}