.k6{--k6-ink:var(--n-900,#2c2140);--k6-soft:var(--n-600,#665d7c);--k6-line:var(--n-200,#e9e4f0);--k6-v:var(--v-600,#6841b8);--k6-v-deep:var(--v-800,#442a78);--k6-v-tint:var(--v-50,#f7f4fd);--k6-g:var(--g-600,#96782c);--k6-g-deep:var(--g-700,#6f5920);--k6-g-tint:var(--g-50,#fdfaf0);--k6-ok:var(--ok,#1f7a52);--k6-ok-bg:var(--ok-bg,#e6f4ec);--k6-err:var(--err,#b3261e);--k6-err-bg:var(--err-bg,#fbe9e7);--k6-shadow:0 1px 2px #2c21400d, 0 8px 24px -12px #2c21402e;color:var(--k6-ink);padding-bottom:72px}.k6 h1,.k6 h2,.k6 h3{color:var(--k6-ink)}.k6-crumbs{color:var(--k6-soft);flex-wrap:wrap;align-items:center;gap:6px 8px;margin:4px 0 22px;font-size:14px;display:flex}.k6-crumbs a{color:var(--k6-v);text-decoration:none}.k6-crumbs a:hover{text-underline-offset:3px;text-decoration:underline}.k6-crumbs span{opacity:.45}.k6-crumbs b{color:var(--k6-ink);font-weight:600}.k6-head{max-width:760px;margin:0 0 30px}.k6-eyebrow{letter-spacing:.02em;color:var(--k6-v);margin:0 0 10px;font-size:13px;font-weight:600}.k6-head h1{margin:0 0 12px;font-size:clamp(28px,4.4vw,42px);line-height:1.25}.k6-head p{color:var(--k6-soft);margin:0;font-size:16.5px;line-height:1.85}.k6-books{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;display:grid}.k6-book{border:1px solid var(--k6-line);box-shadow:var(--k6-shadow);background:#fff;border-radius:22px;grid-template-columns:148px minmax(0,1fr);gap:22px;padding:24px;transition:transform .2s,box-shadow .2s,border-color .2s;display:grid}.k6-book:hover{transform:translateY(-2px);box-shadow:0 2px 4px #2c21400f,0 18px 40px -18px #2c21404d}.k6-book--text:hover{border-color:var(--v-300,#bfa7e9)}.k6-book--practice:hover{border-color:var(--g-400,#dcbb5d)}.k6-cover{aspect-ratio:3/4.1;border-radius:6px 12px 12px 6px;align-self:start;text-decoration:none;display:block;position:relative;overflow:hidden;box-shadow:0 10px 22px -10px #2c21408c,inset 0 0 0 1px #ffffff1f}.k6-book--text .k6-cover{background:linear-gradient(155deg,#7d52c9 0%,#563499 58%,#3b2470 100%)}.k6-book--practice .k6-cover{background:linear-gradient(155deg,#f2d887 0%,#dcbb5d 55%,#b8922f 100%)}.k6-cover-spine{background:linear-gradient(90deg,#00000047,#0000000d 70%,#ffffff2e);width:12px;position:absolute;inset:0 auto 0 0}.k6-cover-face{flex-direction:column;gap:4px;display:flex;position:absolute;inset:14px 12px 14px 22px}.k6-cover-face small{letter-spacing:.04em;opacity:.85;font-size:9.5px}.k6-cover-face strong{word-break:keep-all;margin-top:10px;font-size:18px;font-weight:800;line-height:1.25}.k6-cover-face em{opacity:.9;font-size:13px;font-style:normal;font-weight:700}.k6-cover-tag{border-radius:99px;align-self:flex-start;margin-top:auto;padding:3px 9px;font-size:11.5px;font-weight:700}.k6-book--text .k6-cover-face{color:#fff}.k6-book--text .k6-cover-tag{background:#ffffff2e;border:1px solid #ffffff59}.k6-book--practice .k6-cover-face{color:#3d2f0c}.k6-book--practice .k6-cover-tag{background:#ffffff8c;border:1px solid #3d2f0c33}.k6-cover:focus-visible{outline:3px solid var(--k6-v);outline-offset:3px}.k6-book-body{flex-direction:column;min-width:0;display:flex}.k6-book-kicker{letter-spacing:.03em;margin:0 0 4px;font-size:12.5px;font-weight:700}.k6-book--text .k6-book-kicker{color:var(--k6-v)}.k6-book--practice .k6-book-kicker{color:var(--k6-g)}.k6-book h2{margin:0 0 8px;font-size:24px;line-height:1.3}.k6-book-lead{color:var(--k6-soft);margin:0 0 16px;font-size:15px;line-height:1.8}.k6-stats{grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 16px;padding:0;list-style:none;display:grid}.k6-stats li{text-align:center;border-radius:12px;padding:10px 8px}.k6-book--text .k6-stats li{background:var(--k6-v-tint)}.k6-book--practice .k6-stats li{background:var(--k6-g-tint)}.k6-stats b{font-variant-numeric:tabular-nums;font-size:20px;line-height:1.2;display:block}.k6-stats span{color:var(--k6-soft);font-size:12.5px}.k6-progress{margin:0 0 18px}.k6-progress-row{color:var(--k6-soft);justify-content:space-between;margin-bottom:6px;font-size:13px;display:flex}.k6-progress-row b{color:var(--k6-ink);font-variant-numeric:tabular-nums}.k6-progress-bar{background:var(--n-100,#f4f1f8);border-radius:99px;height:8px;overflow:hidden}.k6-progress-bar i{border-radius:inherit;background:var(--k6-v);height:100%;transition:width .35s;display:block}.k6-book--practice .k6-progress-bar i,.k6-pagehead--practice .k6-progress-bar i,.k6-workbook .k6-progress-bar i{background:linear-gradient(90deg, var(--g-400,#dcbb5d), var(--g-600,#96782c))}.k6-actions{flex-wrap:wrap;gap:10px;margin-top:auto;display:flex}.k6-btn{border:1px solid var(--n-300,#d7d0e2);background:#fff;border-radius:12px;justify-content:center;align-items:center;min-height:44px;padding:10px 18px;font-size:15px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex;color:var(--k6-ink)!important}.k6-btn:hover{border-color:var(--k6-v);background:var(--k6-v-tint)}.k6-btn--primary{background:var(--k6-v);border-color:#0000;color:#fff!important}.k6-btn--primary:hover{background:var(--k6-v-deep);border-color:#0000}.k6-book--practice .k6-btn--primary{background:var(--g-500,#bd9a3c);color:#2c2140!important}.k6-book--practice .k6-btn--primary:hover{background:var(--g-400,#dcbb5d)}.k6-btn--ghost{background:0 0}.k6-btn:focus-visible,.k6-chapter:focus-visible,.k6-options button:focus-visible{outline:3px solid var(--v-300,#bfa7e9);outline-offset:2px}.k6-howto{background:var(--k6-v-tint);border:1px solid var(--v-100,#ede5fa);border-radius:22px;margin:40px 0 0;padding:clamp(20px,3vw,30px)}.k6-howto h2,.k6-parts h2{margin:0 0 18px;font-size:20px}.k6-howto ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.k6-howto li{align-items:flex-start;gap:12px;display:flex}.k6-howto li>span{background:var(--k6-v);color:#fff;border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-weight:700;display:grid}.k6-howto b{margin-bottom:4px;display:block}.k6-howto p{color:var(--k6-soft);margin:0;font-size:14.5px;line-height:1.75}.k6-parts{margin:34px 0 0}.k6-parts ol{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.k6-parts li{border:1px solid var(--k6-line);background:#fff;border-radius:14px;align-items:center;gap:12px;padding:14px 16px;display:flex}.k6-parts li>div{min-width:0}.k6-parts b{font-size:15px;line-height:1.45;display:block}.k6-parts small{color:var(--k6-soft);font-size:12.5px;display:block}.k6-parts em{display:none}.k6-part-num{background:var(--k6-v-tint);width:30px;height:30px;color:var(--k6-v);border-radius:9px;flex:none;place-items:center;font-size:15px;font-weight:800;display:inline-grid}.k6-foot{flex-wrap:wrap;gap:10px 26px;margin:30px 0 0;font-weight:600;display:flex}.k6-foot a{color:var(--k6-v);text-decoration:none}.k6-foot a:hover{text-underline-offset:3px;text-decoration:underline}.k6-notice{background:var(--k6-g-tint);border:1px solid var(--g-200,#f7e6b6);border-radius:14px;margin:26px 0 0;padding:14px 18px;font-size:15px;line-height:1.8}.k6-pagehead{border:1px solid var(--g-200,#f7e6b6);background:linear-gradient(135deg,#fffaf0 0%,#fdf3d7 100%);border-radius:22px;grid-template-columns:minmax(0,1fr) 260px;align-items:end;gap:26px;margin:0 0 28px;padding:clamp(22px,3.4vw,34px);display:grid}.k6-pagehead .k6-eyebrow{color:var(--k6-g-deep)}.k6-pagehead h1{margin:0 0 10px;font-size:clamp(26px,3.8vw,36px);line-height:1.3}.k6-pagehead h1 small{color:var(--k6-soft);margin-top:6px;font-size:16px;font-weight:500;display:block}.k6-pagehead p{color:var(--k6-soft);max-width:640px;margin:0;line-height:1.85}.k6-pagehead-side{flex-direction:column;gap:10px;display:flex}.k6-pagehead-side .k6-progress{margin:0}.k6-pagehead--chapter{grid-template-columns:minmax(0,1fr) auto}.k6-h1-num{background:var(--g-300,#f2d887);color:#3d2f0c;vertical-align:4px;border-radius:12px;place-items:center;min-width:44px;height:44px;margin-right:12px;padding:0 8px;font-size:22px;display:inline-grid}.k6-chips{flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none;display:flex}.k6-chips li{border:1px solid var(--g-200,#f7e6b6);color:var(--k6-g-deep);background:#ffffffbf;border-radius:99px;padding:5px 12px;font-size:13px;font-weight:600}.k6-partblock{margin:0 0 26px}.k6-partblock h2{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 12px;font-size:19px;display:flex}.k6-partblock h2 small{color:var(--k6-soft);font-size:13.5px;font-weight:500}.k6-partblock .k6-part-num{background:var(--k6-g-tint);color:var(--k6-g-deep);border:1px solid var(--g-200,#f7e6b6)}.k6-chapters{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.k6-chapter{box-sizing:border-box;border:1px solid var(--k6-line);background:#fff;border-radius:14px;grid-template-rows:auto auto;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:2px 14px;height:100%;padding:14px 16px;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:grid;color:var(--k6-ink)!important}.k6-chapter:hover{border-color:var(--g-400,#dcbb5d);box-shadow:var(--k6-shadow)}.k6-chapter-num{background:var(--k6-g-tint);width:40px;height:40px;color:var(--k6-g-deep);border-radius:12px;grid-row:1/3;place-items:center;font-size:16px;font-weight:800;display:grid}.k6-chapter.is-done .k6-chapter-num{background:var(--k6-ok-bg);color:var(--k6-ok)}.k6-chapter.is-locked{opacity:.72}.k6-chapter-title{font-weight:600;line-height:1.45}.k6-chapter-title small{color:var(--k6-soft);font-size:13px;font-weight:400;display:block}.k6-chapter-meta em{color:var(--k6-soft);font-size:12.5px;font-style:normal}.k6-pill{border-radius:99px;padding:2px 9px;font-weight:700;display:inline-block}.k6-pill--going{background:var(--k6-g-tint);border:1px solid var(--g-200,#f7e6b6);color:var(--k6-g-deep)!important}.k6-pill--done{background:var(--k6-ok-bg);color:var(--k6-ok)!important}.k6-workbook{max-width:800px;margin:0 auto}.k6-scorebar{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--k6-line);box-shadow:var(--k6-shadow);background:#fffffff0;border-radius:16px;grid-template-columns:auto minmax(80px,1fr) auto;align-items:center;gap:10px 18px;margin:0 0 22px;padding:12px 16px;display:grid;position:sticky;top:94px}.k6-scorebar-text{white-space:nowrap;color:var(--k6-soft);align-items:baseline;gap:8px;font-size:14px;display:flex}.k6-scorebar-text b{color:var(--k6-ink);font-variant-numeric:tabular-nums;font-size:18px}.k6-scorebar-text em{background:var(--k6-ok-bg);color:var(--k6-ok);border-radius:99px;padding:1px 9px;font-size:13px;font-style:normal;font-weight:700}.k6-jumps{flex-wrap:wrap;gap:6px;display:flex}.k6-jumps a{border:1px solid var(--k6-line);border-radius:99px;padding:5px 11px;font-size:13px;text-decoration:none;color:var(--k6-ink)!important}.k6-jumps a:hover{border-color:var(--g-400,#dcbb5d);background:var(--k6-g-tint)}.k6-link{font:inherit;color:var(--k6-v);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;padding:5px 4px;font-size:13px;text-decoration:underline}.k6-result{background:var(--k6-g-tint);border:1px solid var(--g-200,#f7e6b6);border-radius:16px;flex-direction:column;gap:4px;margin:0 0 22px;padding:16px 18px;display:flex}.k6-result.is-pass{background:var(--k6-ok-bg);border-color:var(--ok-line,#b9dcc9)}.k6-result b{font-size:17px}.k6-result span{color:var(--k6-soft);line-height:1.7}.k6-task{border:1px solid var(--k6-line);background:#fff;border-radius:20px;margin:0 0 26px;padding:clamp(18px,3vw,28px)}.k6-task-title{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 18px;font-size:19px;display:flex}.k6-tag{background:var(--g-300,#f2d887);color:#3d2f0c;border-radius:99px;padding:3px 11px;font-size:13px;font-weight:700;display:inline-block}.k6-qlist,.k6-oral{gap:16px;margin:0;padding:0;list-style:none;display:grid}.k6-q{border:1px solid var(--k6-line);background:var(--n-25,#fdfcfe);border-radius:16px;padding:18px;transition:border-color .2s}.k6-q.is-right{border-color:var(--ok-line,#b9dcc9)}.k6-q.is-wrong{border-color:var(--err-line,#f0c4bf)}.k6-q-head{align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.k6-q-num{background:var(--k6-v-tint);width:30px;height:30px;color:var(--k6-v);border-radius:9px;flex:none;place-items:center;font-size:14px;font-weight:800;display:grid}.k6-q-text{margin:0;line-height:1.7}.k6-q-text b,.k6-prompt b{font-size:16px;font-weight:700;display:block}.k6-q-text span,.k6-prompt span{color:var(--k6-soft);margin-top:3px;font-size:14.5px;display:block}.k6-box{border:1px dashed var(--n-300,#d7d0e2);white-space:pre-line;background:#fff;border-radius:12px;margin:0 0 14px;padding:14px 16px;line-height:1.8}.k6-box b{font-weight:500;display:block}.k6-box span:not(.k6-box-label){color:var(--k6-soft);margin-top:6px;font-size:14.5px;display:block}.k6-box-label{color:var(--k6-g-deep);letter-spacing:.03em;margin-bottom:6px;font-size:12px;font-weight:700;display:inline-block}.k6-box--passage{background:var(--k6-g-tint);border-style:solid;border-color:var(--g-200,#f7e6b6)}.k6-options{gap:8px;margin:0;padding:0;list-style:none;display:grid}.k6-options button{text-align:left;width:100%;min-height:50px;font:inherit;color:var(--k6-ink);border:1.5px solid var(--n-200,#e9e4f0);cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .15s,background .15s,transform .1s;display:flex}.k6-options button:hover:not(:disabled){border-color:var(--v-400,#9b74d8);background:var(--k6-v-tint)}.k6-options button:active:not(:disabled){transform:scale(.995)}.k6-options button:disabled{cursor:default}.k6-options button.is-right{border-color:var(--k6-ok);background:var(--k6-ok-bg)}.k6-options button.is-wrong{border-color:var(--k6-err);background:var(--k6-err-bg)}.k6-options button.is-muted{opacity:.55}.k6-mark{color:var(--k6-soft);flex:none;font-size:17px}.k6-opt{flex:1;min-width:0}.k6-opt b{font-weight:500;line-height:1.6;display:block}.k6-opt small{color:var(--k6-soft);font-size:13px;line-height:1.6;display:block}.k6-tick{background:var(--k6-ok);color:#fff;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:13px;font-weight:800;display:grid}.k6-verdict{border-radius:12px;margin-top:12px;padding:14px 16px;font-size:15px;line-height:1.8}.k6-verdict.is-right{background:var(--k6-ok-bg)}.k6-verdict.is-wrong{background:var(--k6-err-bg)}.k6-verdict strong{margin-bottom:4px;display:block}.k6-verdict.is-right strong{color:var(--k6-ok)}.k6-verdict.is-wrong strong{color:var(--k6-err)}.k6-verdict p{margin:0 0 4px}.k6-oral>li{border-left:3px solid var(--g-400,#dcbb5d);background:var(--n-25,#fdfcfe);border-radius:0 12px 12px 0;padding:14px 16px}.k6-model{margin-top:10px}.k6-model summary{cursor:pointer;color:var(--k6-v);border:1px solid var(--v-200,#dbcdf4);background:var(--k6-v-tint);border-radius:99px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;font-weight:600;list-style:none;display:inline-flex}.k6-model summary::-webkit-details-marker{display:none}.k6-model summary:before{content:"▸";transition:transform .15s}.k6-model[open] summary:before{transform:rotate(90deg)}.k6-model p{border:1px solid var(--k6-line);background:#fff;border-radius:12px;margin:12px 0 6px;padding:14px 16px;line-height:1.85}.k6-model p b{font-weight:500;display:block}.k6-model p span{color:var(--k6-soft);margin-top:6px;font-size:14.5px;display:block}.k6-model small{color:var(--k6-soft);font-size:12.5px}.k6-prompt{margin:0 0 12px;line-height:1.75}.k6-points{background:var(--k6-g-tint);border-radius:12px;margin:0 0 16px;padding:14px 16px 14px 34px;line-height:1.75}.k6-points li{margin-bottom:6px}.k6-points b{font-weight:600;display:block}.k6-points span{color:var(--k6-soft);font-size:14px;display:block}.k6-write{gap:8px;font-size:14px;font-weight:600;display:grid}.k6-write textarea{box-sizing:border-box;width:100%;font:inherit;color:var(--k6-ink);border:1.5px solid var(--n-300,#d7d0e2);resize:vertical;background:#fff;background-image:repeating-linear-gradient(transparent 0 28.3px, var(--n-100,#f4f1f8) 28.3px 29.3px);border-radius:12px;padding:14px;font-size:16px;font-weight:400;line-height:1.8}.k6-write textarea:focus{border-color:var(--k6-v);box-shadow:0 0 0 3px var(--v-100,#ede5fa);outline:none}.k6-write-foot{justify-content:space-between;gap:10px;font-weight:400;display:flex}.k6-write-foot small{color:var(--k6-soft)}.k6-write-foot b{font-variant-numeric:tabular-nums;color:var(--k6-soft)}.k6-write-foot b.is-ok{color:var(--k6-ok)}.k6-lock{border:1px solid var(--k6-line);background:#fff;border-radius:20px;padding:26px;line-height:1.8}.k6-lock p{color:var(--k6-soft)}.k6-pager{flex-wrap:wrap;justify-content:space-between;gap:12px;max-width:800px;margin:30px auto 0;display:flex}.k6-pager a{border:1px solid var(--k6-line);background:#fff;border-radius:14px;flex-direction:column;gap:2px;max-width:47%;padding:12px 16px;text-decoration:none;display:inline-flex;color:var(--k6-ink)!important}.k6-pager a:hover{border-color:var(--g-400,#dcbb5d)}.k6-pager small{color:var(--k6-soft);font-size:12.5px}.k6-pager span{font-weight:600}.k6-pager-next{text-align:right;margin-left:auto}.k6-crosslink{border:1px solid var(--g-200,#f7e6b6);background:linear-gradient(135deg,#fffaf0,#fdf3d7);border-radius:16px;align-items:center;gap:14px;margin:28px 0;padding:16px 18px;text-decoration:none;transition:box-shadow .15s,border-color .15s;display:flex;color:var(--n-900,#2c2140)!important}.k6-crosslink:hover{border-color:var(--g-400,#dcbb5d);box-shadow:0 8px 24px -14px #6f592073}.k6-crosslink>span:nth-child(2){flex:1;min-width:0}.k6-crosslink b{display:block}.k6-crosslink small{color:var(--n-600,#665d7c);margin-top:2px;font-size:13.5px;display:block}.k6-crosslink-icon{background:var(--g-300,#f2d887);color:#3d2f0c;border-radius:12px;flex:none;place-items:center;width:40px;height:40px;font-size:18px;display:grid}@media (max-width:980px){.k6-books{grid-template-columns:1fr}}@media (max-width:720px){.k6-howto ol,.k6-chapters{grid-template-columns:1fr}.k6-pagehead,.k6-pagehead--chapter{grid-template-columns:1fr;align-items:start}.k6-scorebar{grid-template-columns:1fr;gap:8px;position:static}}@media (max-width:520px){.k6-book{grid-template-columns:1fr;padding:18px}.k6-cover{width:132px}.k6-pager a{flex:100%;max-width:100%}.k6-pager-next{text-align:left}.k6-q{padding:14px}}@media (prefers-reduced-motion:reduce){.k6-book,.k6-progress-bar i,.k6-options button{transition:none}.k6-book:hover{transform:none}}.k6-progress--note span{color:var(--k6-soft);font-size:13px;line-height:1.7;display:block}.k6-rooms{margin:34px 0 0}.k6-rooms h2,.k6-contents>h2{margin:0 0 16px;font-size:20px}.k6-rooms ul{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.k6-rooms a{box-sizing:border-box;border:1px solid var(--k6-line);background:#fff;border-radius:16px;align-items:center;gap:14px;height:100%;padding:16px 18px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;color:var(--k6-ink)!important}.k6-rooms a:hover{border-color:var(--v-300,#bfa7e9);box-shadow:var(--k6-shadow);transform:translateY(-1px)}.k6-rooms b{font-size:15.5px;display:block}.k6-rooms small{color:var(--k6-soft);margin-top:2px;font-size:13px;line-height:1.5;display:block}.k6-room-icon{background:var(--k6-v-tint);width:44px;height:44px;color:var(--k6-v);border-radius:13px;flex:none;place-items:center;font-size:19px;font-weight:800;display:grid}.k6-contents{margin:34px 0 0;scroll-margin-top:100px}.k6-contents h3{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 12px;font-size:17px;display:flex}.k6-contents h3 small{color:var(--k6-soft);font-size:13px;font-weight:500}.k6-contents .k6-part-num{background:var(--k6-v-tint);color:var(--k6-v)}.k6-toc{gap:8px;margin:0;padding:0;list-style:none;display:grid}.k6-toc li{border:1px solid var(--k6-line);background:#fff;border-radius:14px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:12px 14px;display:grid}.k6-toc li.is-locked{opacity:.75}.k6-toc .k6-chapter-num{background:var(--k6-v-tint);width:38px;height:38px;color:var(--k6-v)}.k6-toc .k6-chapter-title span{font-weight:600;display:block}.k6-toc-links{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.k6-toc-links a{white-space:nowrap;border:1px solid var(--k6-line);border-radius:10px;align-items:center;min-height:36px;padding:6px 12px;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex;color:var(--k6-ink)!important}.k6-toc-text:hover{border-color:var(--v-300,#bfa7e9);background:var(--k6-v-tint)}.k6-toc-practice{background:var(--k6-g-tint);border-color:var(--g-200,#f7e6b6)!important}.k6-toc-practice:hover{border-color:var(--g-400,#dcbb5d)!important}.k6-toc-lock{color:var(--k6-soft)!important}@media (max-width:620px){.k6-toc li{grid-template-columns:auto minmax(0,1fr)}.k6-toc-links{grid-column:1/-1;justify-content:flex-start}}