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(max-width:760px){.acc-info-row{grid-template-columns:1fr;gap:4px;padding:12px 16px}.acc-card-head,.acc-card-foot{padding-left:16px;padding-right:16px}.nav-right .nav-account{display:none}.auth-card{padding:22px 18px 24px}.acc-cat{grid-template-columns:minmax(0,1fr) 64px}.acc-bar,.acc-cat-n{display:none}.acc-meta{width:100%}}.cfg{flex-direction:column;gap:22px;margin-top:24px;display:flex}.cfg-sec{border:1px solid var(--line);background:var(--surface)}.cfg-head{border-bottom:1px solid var(--line);background:var(--surface-2);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding-right:12px;display:flex}.cfg-head .cfg-title{background:0 0;border-bottom:0}.cfg-title{color:var(--ink);background:var(--surface-2);border-bottom:1px solid var(--line);align-items:center;gap:10px;margin:0;padding:12px 16px;font-size:15px;font-weight:700;display:flex}.cfg-no{font-family:var(--font);color:var(--tone,var(--brand));letter-spacing:.08em;font-size:12px;font-weight:700}.cfg-tools{gap:4px;display:flex}.cfg-cats{grid-template-columns:1fr;display:grid}.cfg-cat{cursor:pointer;border-bottom:1px solid var(--line-2);align-items:center;gap:12px;padding:11px 16px;font-size:14.5px;transition:background .12s;display:flex}.cfg-cat:last-child{border-bottom:0}.cfg-cat:hover{background:var(--brand-3)}.cfg-cat input{width:18px;height:18px;accent-color:var(--tone,var(--brand));flex:none}.cfg-cat-name{color:var(--ink);flex:1;gap:10px;line-height:1.6;display:flex}.cfg-cat-no{font-family:var(--font);color:var(--muted);padding-top:2px;font-size:12px;font-weight:700}.cfg-cat-n{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px;font-weight:700}.cfg-cat.is-empty{cursor:not-allowed;opacity:.5}.cfg-cat:has(input:checked) .cfg-cat-n{color:var(--tone,var(--brand))}.cfg-row{border-bottom:1px solid var(--line-2);grid-template-columns:120px 1fr;align-items:start;gap:12px;padding:14px 16px;display:grid}.cfg-row:last-child{border-bottom:0}.cfg-label{color:var(--ink-2);padding-top:7px;font-size:14px;font-weight:700}.seg{border:1px solid var(--line-3);background:var(--surface);flex-wrap:wrap;display:inline-flex}.seg label{cursor:pointer;position:relative}.seg label+label{border-left:1px solid var(--line-3)}.seg input{opacity:0;width:1px;height:1px;position:absolute}.seg span{color:var(--ink-2);padding:7px 16px;font-size:14px;font-weight:700;transition:all .12s;display:block}.seg label:hover span{background:var(--brand-3);color:var(--brand)}.seg input:checked+span{background:var(--tone,var(--brand));color:#fff}.seg input:focus-visible+span{outline:2px solid var(--brand);outline-offset:-2px}.seg label.is-disabled{cursor:not-allowed}.seg label.is-disabled span{color:var(--line-3);background:var(--surface-2)}.cfg-submit{text-align:center}.cfg-submit .btn{min-width:260px}.prac-score{color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px;font-weight:700}.prac-score small{color:var(--muted);margin-left:2px;font-size:12px}.prac-hint{color:var(--ink-2);margin:0 0 10px;font-size:13.5px}.prac-actions{justify-content:center;margin-top:22px;display:flex}.prac-actions .btn-lg{min-width:240px}button.opt{font:inherit}.explain{margin-top:20px}.explain-foot{border-top:1px solid var(--line-2);text-align:right;padding:10px 22px 14px;font-size:13px}.explain-foot a{font-weight:700;text-decoration:none}.res-sec{margin-top:32px}.rmark{text-align:center;flex:none;width:22px;font-weight:700}.rmark.ok{color:var(--good)}.rmark.ng{color:var(--bad)}.soon-note{color:var(--ink-2);background:var(--surface-2);border:1px dashed var(--line-3);margin:-6px 0 20px;padding:10px 14px;font-size:14px}.topic-list{color:var(--ink-2);margin:0;padding-left:1.6em;font-size:14.5px;line-height:1.9;list-style:decimal}@media (max-width:760px){.cfg-row{grid-template-columns:1fr;gap:6px}.cfg-label{padding-top:0}.seg{width:100%;display:flex}.seg label{text-align:center;flex:1}.seg span{padding:8px 6px;font-size:13.5px}.cfg-submit .btn,.prac-actions .btn-lg{width:100%;min-width:0}.prac-score small{display:none}}.exam-detail .cfg{margin-top:4px}.cfg-sub-link{margin:12px 0 0;font-size:13.5px}.cfg-sub-link a{font-weight:700;text-decoration:none}.cfg-sub-link a:hover{text-decoration:underline}.acc-retry{margin-top:18px}.acc-delete-link{color:var(--bad);font-size:13px;font-weight:700;text-decoration:none}.acc-delete-link:hover{text-decoration:underline}.btn-danger{background:var(--bad);color:#fff;border-color:var(--bad)}.btn-danger:hover{filter:brightness(.92)}.btn-full{width:100%}.danger-note{color:var(--ink);background:var(--bad-bg);border:1px solid var(--bad-line);margin:0 0 20px;padding:14px 16px;font-size:14px;line-height:1.85}.danger-note p{margin:0}.danger-note ul{margin:6px 0 8px;padding-left:1.3em;list-style:outside}.acc-card-note{color:var(--muted);border-top:1px solid var(--line-2);margin:0;padding:12px 24px;font-size:12.5px}@media (max-width:760px){.acc-card-note{padding:12px 16px}}.legal ol{padding-left:1.6em;list-style:decimal}.legal ul{padding-left:1.4em;list-style:outside}.legal li{margin:4px 0}.acc-skeleton{border:1px solid var(--line);background:linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);background-size:200% 100%;height:180px;margin-top:24px;animation:1.2s ease-in-out infinite acc-skeleton}@keyframes acc-skeleton{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){.acc-skeleton{animation:none}}.page-loading{min-height:40vh;color:var(--muted);justify-content:center;align-items:center;gap:10px;font-size:14px;font-weight:700;display:flex}.page-loading-dot{border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite page-spin}@keyframes page-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.page-loading-dot{animation:none}}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-font-weight{syntax:"*";inherits:false}