body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}.svelte-1ywhq0i{box-sizing:border-box;margin:0;padding:0}.matrix-page.svelte-1ywhq0i{flex-direction:column;padding:16px;display:flex;overflow:hidden}h1.svelte-1ywhq0i{text-align:center;color:#0d2b5e;letter-spacing:1px;margin-bottom:3px;font-size:21px}.subtitle.svelte-1ywhq0i{text-align:center;color:#5a6a80;margin-bottom:10px;font-size:11.5px}.legend.svelte-1ywhq0i{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:10px;display:flex}.legend-item.svelte-1ywhq0i{align-items:center;gap:4px;font-size:10.5px;display:flex}.lb.svelte-1ywhq0i{border:1px solid #ccc;border-radius:3px;width:13px;height:13px}.r1c.svelte-1ywhq0i{background:#c8f7c5}.r2c.svelte-1ywhq0i{background:#e8f5b8}.r3c.svelte-1ywhq0i{background:#fff3b8}.r4c.svelte-1ywhq0i{background:#fde0b0}.r5c.svelte-1ywhq0i{background:#f9c0c0}.section-nav.svelte-1ywhq0i{flex-wrap:wrap;justify-content:center;gap:4px;margin-bottom:10px;display:flex}.snav.svelte-1ywhq0i{color:#fff;cursor:pointer;white-space:nowrap;background:#1e4d91;border-radius:4px;padding:4px 12px;font-size:10.5px;text-decoration:none}.snav.svelte-1ywhq0i:hover{background:#0d2b5e}.snav-alt.svelte-1ywhq0i{background:#4a235a}.snav-alt.svelte-1ywhq0i:hover{background:#341a40}.type-practice.svelte-1ywhq0i{background:linear-gradient(135deg,#0d2b5e 0%,#1e4d91 100%);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 12px;padding:14px 16px;display:flex;box-shadow:0 12px 24px #0d2b5e2e}.type-practice--derivative.svelte-1ywhq0i{background:linear-gradient(135deg,#4a235a 0%,#6a3d79 100%);margin:0 0 14px;box-shadow:0 12px 24px #4a235a29}.type-practice--option.svelte-1ywhq0i{background:linear-gradient(135deg,#a56409 0%,#d08a21 100%);margin:0 0 14px;box-shadow:0 12px 24px #a5640929}.type-practice__intro.svelte-1ywhq0i{color:#fff;flex:1;min-width:240px}.type-practice__title.svelte-1ywhq0i{margin-bottom:4px;font-size:15px;font-weight:800}.type-practice__desc.svelte-1ywhq0i{opacity:.9;font-size:11px;line-height:1.7}.type-practice__pill.svelte-1ywhq0i{color:#fff;background:#ffffff29;border:1px solid #ffffff3d;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:11px;font-weight:700;display:flex}.type-practice__pill.svelte-1ywhq0i strong:where(.svelte-1ywhq0i){color:#ffd08a}.type-practice__pill--ghost.svelte-1ywhq0i strong:where(.svelte-1ywhq0i){color:#b9f0ff}.type-practice__mock.svelte-1ywhq0i{color:#fff;cursor:pointer;white-space:nowrap;background:#f39c12;border:none;border-radius:8px;padding:9px 18px;font-size:12px;font-weight:800}.type-practice__mock--derivative.svelte-1ywhq0i{color:#341a40;background:#ffb347}.type-practice__mock--option.svelte-1ywhq0i{color:#8a4f00;background:#fff2d9}.type-practice__mock.svelte-1ywhq0i:disabled{opacity:.65;cursor:default}.type-practice__error.svelte-1ywhq0i{color:#b03324;background:#fff4f2;border:1px solid #f4c7c0;border-radius:8px;margin:0 0 12px;padding:10px 12px;font-size:11px}.type-grid.svelte-1ywhq0i{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:0 0 14px;display:grid}.type-grid--compact.svelte-1ywhq0i{margin-bottom:14px}.type-grid__loading.svelte-1ywhq0i{color:#49607f;background:#fff;border:1px dashed #bfd0e5;border-radius:10px;grid-column:1/-1;padding:14px 16px;font-size:11px}.type-card.svelte-1ywhq0i{background:#fff;border:1px solid #dce8fb;border-radius:10px;padding:12px 14px;box-shadow:0 6px 16px #1e4d9114}.type-card--derivative.svelte-1ywhq0i{border-color:#eadbf0;box-shadow:0 6px 16px #4a235a14}.type-card--option.svelte-1ywhq0i{border-color:#f3e1ba;box-shadow:0 6px 16px #a5640914}.type-card__head.svelte-1ywhq0i{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.type-card__head.svelte-1ywhq0i h2:where(.svelte-1ywhq0i){color:#0d2b5e;margin:0;font-size:13px}.type-card__head.svelte-1ywhq0i span:where(.svelte-1ywhq0i){color:#1e4d91;background:#eef4ff;border-radius:999px;padding:3px 8px;font-size:10px;font-weight:800}.type-card__micro.svelte-1ywhq0i{color:#7a6a86;margin-top:3px;font-size:10px;line-height:1.5}.type-card__chapters.svelte-1ywhq0i,.type-card__focus.svelte-1ywhq0i{color:#53657d;font-size:10.5px;line-height:1.7}.type-card__focus.svelte-1ywhq0i{margin:6px 0 10px}.type-card__btn.svelte-1ywhq0i{color:#fff;cursor:pointer;background:#1e4d91;border:none;border-radius:8px;width:100%;padding:8px 12px;font-size:11px;font-weight:800}.type-card__btn--derivative.svelte-1ywhq0i{background:#4a235a}.type-card__btn--option.svelte-1ywhq0i{background:#a56409}.type-card__btn.svelte-1ywhq0i:disabled{opacity:.65;cursor:default}.tw.svelte-1ywhq0i{overscroll-behavior:contain;border-radius:6px;flex:1;min-height:clamp(720px,96vh,1320px);overflow:auto;box-shadow:0 3px 14px #0000002e}table.svelte-1ywhq0i{border-collapse:collapse;background:#fff;width:100%}th.svelte-1ywhq0i,td.svelte-1ywhq0i{vertical-align:middle;text-align:center;border:1px solid #c8d4e0;min-width:88px;padding:4px 6px;font-size:10.5px;line-height:1.4}.hcat.svelte-1ywhq0i{color:#fff;letter-spacing:.5px;z-index:4;background:#0d2b5e;font-size:11.5px;font-weight:700;position:sticky;top:0}.hsub.svelte-1ywhq0i{color:#e8f0ff;background:#1e4d91;font-size:10px;font-weight:600}.hsub.svelte-1ywhq0i th:where(.svelte-1ywhq0i){top:var(--hcat-h,27px);z-index:3;color:#e8f0ff;background:#1e4d91;position:sticky}.ft.svelte-1ywhq0i{text-align:left;color:#0d2b5e;z-index:2;background:#dce8fb;min-width:148px;font-size:10.5px;font-weight:700;position:sticky;left:0}.r1.svelte-1ywhq0i{background:#c8f7c5}.r2.svelte-1ywhq0i{background:#e8f5b8}.r3.svelte-1ywhq0i{background:#fff3b8}.r4.svelte-1ywhq0i{background:#fde0b0}.r5.svelte-1ywhq0i{background:#f9c0c0}.lq5.svelte-1ywhq0i{background:#c8f7c5}.lq4.svelte-1ywhq0i{background:#e8f5b8}.lq3.svelte-1ywhq0i{background:#fff3b8}.lq2.svelte-1ywhq0i{background:#fde0b0}tbody.svelte-1ywhq0i tr:where(.svelte-1ywhq0i):nth-child(2n) td:where(.svelte-1ywhq0i):not(.ft){background-color:#1e4d9108}.warn.svelte-1ywhq0i{color:#c0392b;font-weight:700}.ok.svelte-1ywhq0i{color:#1a7a1a;font-weight:600}.wide.svelte-1ywhq0i{min-width:168px}.xwide.svelte-1ywhq0i{min-width:230px}.matrix-footnote.svelte-1ywhq0i{color:#667085;margin:4px 0 20px;font-size:10px;line-height:1.8}.matrix-addon.svelte-1ywhq0i{background:linear-gradient(#f8f4ff 0%,#eef3fb 100%);border:1px solid #dfd5f1;border-radius:14px;margin:2px 0 22px;padding:18px 18px 16px;box-shadow:0 10px 26px #4a235a14}.matrix-addon--option.svelte-1ywhq0i{background:linear-gradient(#fff9ef 0%,#f7f5ff 100%);border-color:#f0ddaf}.matrix-addon__head.svelte-1ywhq0i{margin-bottom:14px}.matrix-addon__eyebrow.svelte-1ywhq0i{color:#fff;letter-spacing:.4px;background:#4a235a;border-radius:999px;margin-bottom:6px;padding:3px 8px;font-size:10px;font-weight:800;display:inline-block}.matrix-addon__eyebrow--option.svelte-1ywhq0i{background:#a56409}.matrix-addon__head.svelte-1ywhq0i h2:where(.svelte-1ywhq0i){color:#341a40;margin:0 0 6px;font-size:18px}.matrix-addon__head.svelte-1ywhq0i p:where(.svelte-1ywhq0i){color:#5f6479;max-width:980px;font-size:11px;line-height:1.8}.matrix-addon__cards.svelte-1ywhq0i{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:14px;display:grid}.matrix-addon__card.svelte-1ywhq0i{background:#fff;border:1px solid #e4dcf2;border-radius:12px;padding:12px 12px 10px;box-shadow:0 6px 18px #4a235a0f}.matrix-addon__card.svelte-1ywhq0i span:where(.svelte-1ywhq0i){color:#7a5a93;letter-spacing:.3px;text-transform:uppercase;margin-bottom:6px;font-size:9.5px;font-weight:800;display:inline-block}.matrix-addon__card.svelte-1ywhq0i strong:where(.svelte-1ywhq0i){color:#341a40;margin-bottom:6px;font-size:12px;display:block}.matrix-addon__card.svelte-1ywhq0i p:where(.svelte-1ywhq0i){color:#5d6175;font-size:10.5px;line-height:1.75}.submatrix-wrap.svelte-1ywhq0i{background:#fff;border:1px solid #d9dceb;border-radius:10px;overflow:auto;box-shadow:0 4px 14px #341a400f}.submatrix.svelte-1ywhq0i{border-collapse:collapse;width:100%;min-width:1080px}.submatrix.svelte-1ywhq0i th:where(.svelte-1ywhq0i),.submatrix.svelte-1ywhq0i td:where(.svelte-1ywhq0i){text-align:left;vertical-align:top;color:#1f2435;border:1px solid #d9dceb;padding:8px 9px;font-size:10.5px;line-height:1.65}.submatrix.svelte-1ywhq0i thead:where(.svelte-1ywhq0i) th:where(.svelte-1ywhq0i){color:#fff;letter-spacing:.3px;z-index:1;background:#4a235a;font-size:10px;position:sticky;top:0}.submatrix.svelte-1ywhq0i tbody:where(.svelte-1ywhq0i) tr:where(.svelte-1ywhq0i):nth-child(2n) td:where(.svelte-1ywhq0i){background:#faf8fd}.submatrix--option.svelte-1ywhq0i{min-width:860px}.submatrix--option.svelte-1ywhq0i thead:where(.svelte-1ywhq0i) th:where(.svelte-1ywhq0i){background:#a56409}.formula-grid.svelte-1ywhq0i{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:14px;display:grid}.formula-card.svelte-1ywhq0i{background:#fff;border:1px solid #f0ddaf;border-radius:12px;padding:12px 13px;box-shadow:0 6px 18px #a5640914}.formula-card.svelte-1ywhq0i span:where(.svelte-1ywhq0i){color:#a56409;letter-spacing:.3px;text-transform:uppercase;margin-bottom:6px;font-size:9.5px;font-weight:800;display:inline-block}.formula-card.svelte-1ywhq0i strong:where(.svelte-1ywhq0i){color:#583500;margin-bottom:6px;font-size:12px;display:block}.formula-card.svelte-1ywhq0i p:where(.svelte-1ywhq0i){color:#6c614d;font-size:10.5px;line-height:1.75}.scene-grid.svelte-1ywhq0i{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:14px;display:grid}.scene-card.svelte-1ywhq0i{background:#fff;border:1px solid #e4dcf2;border-radius:12px;padding:12px 13px}.scene-card.svelte-1ywhq0i h3:where(.svelte-1ywhq0i){color:#341a40;margin:0 0 6px;font-size:12px}.scene-card.svelte-1ywhq0i p:where(.svelte-1ywhq0i){color:#5d6175;font-size:10.5px;line-height:1.75}.matrix-footnote--addon.svelte-1ywhq0i{margin-top:12px;margin-bottom:0}.tag.svelte-1ywhq0i{color:#fff;background:#1e4d91;border-radius:3px;margin-right:3px;padding:1px 5px;font-size:9.5px;display:inline-block}.tag.red.svelte-1ywhq0i{background:#c0392b}.tag.green.svelte-1ywhq0i{background:#1a7a1a}.badge.svelte-1ywhq0i{background:#f0f4ff;border:1px solid #b0c0e0;border-radius:3px;margin:1px;padding:1px 5px;font-size:10px;display:inline-block}.exam.svelte-1ywhq0i{color:#fff;vertical-align:middle;background:#ff6b35;border-radius:3px;margin-left:3px;padding:0 4px;font-size:9px;display:inline-block}.drawer.svelte-1ywhq0i{z-index:1000;background:#fff;flex-direction:column;width:min(420px,90vw);transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(100%);box-shadow:-4px 0 20px #00000026}.drawer.open.svelte-1ywhq0i{transform:translate(0)}.drawer-head.svelte-1ywhq0i{color:#fff;background:#0d2b5e;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.drawer-head.svelte-1ywhq0i h3:where(.svelte-1ywhq0i){margin:0;font-size:14px}.drawer-close.svelte-1ywhq0i{color:#fff;cursor:pointer;background:0 0;border:none;font-size:22px;line-height:1}.drawer-body.svelte-1ywhq0i{flex:1;padding:16px;overflow-y:auto}.quiz-stats.svelte-1ywhq0i{color:#666;background:#f5f8ff;border-radius:6px;gap:12px;margin-bottom:14px;padding:8px 12px;font-size:11px;display:flex}.quiz-stats.svelte-1ywhq0i b:where(.svelte-1ywhq0i){color:#0d2b5e}.quiz-loading.svelte-1ywhq0i,.quiz-empty.svelte-1ywhq0i,.quiz-result.svelte-1ywhq0i{text-align:center;padding:28px 14px}.quiz-loading.svelte-1ywhq0i{color:#0d2b5e;font-size:13px;line-height:1.8}.quiz-empty.svelte-1ywhq0i{color:#666;font-size:12px;line-height:1.8}.quiz-result__icon.svelte-1ywhq0i{margin-bottom:10px;font-size:36px}.quiz-result__title.svelte-1ywhq0i{color:#0d2b5e;font-size:16px;font-weight:700}.quiz-result__desc.svelte-1ywhq0i{color:#666;margin-top:8px;font-size:13px}.quiz-result__status.svelte-1ywhq0i{margin-top:10px;font-size:12px;font-weight:700}.quiz-result__status.pass.svelte-1ywhq0i{color:#1a7a1a}.quiz-result__status.retry.svelte-1ywhq0i{color:#c0392b}.q-stem.svelte-1ywhq0i{color:#222;margin-bottom:12px;font-size:13px;font-weight:600;line-height:1.7}.q-source.svelte-1ywhq0i{color:#5b6b80;background:#f5f8ff;border-radius:6px;margin:-4px 0 12px;padding:7px 9px;font-size:10px;line-height:1.6}.q-opts.svelte-1ywhq0i{margin:0 0 14px;padding:0;list-style:none}.q-opts.svelte-1ywhq0i li:where(.svelte-1ywhq0i){margin-bottom:6px}.q-opt-btn.svelte-1ywhq0i{cursor:pointer;text-align:left;color:#222;background:#fff;border:2px solid #e8e8e8;border-radius:8px;width:100%;padding:10px 14px;font-size:12px;line-height:1.6;transition:all .15s}.q-opt-btn.svelte-1ywhq0i:hover{background:#f5f8ff;border-color:#1e4d91}.q-opt-btn.selected.svelte-1ywhq0i{background:#dce8fb;border-color:#1e4d91;font-weight:700}.q-opt-btn.correct.svelte-1ywhq0i{background:#e8f5e9;border-color:#1a7a1a}.q-opt-btn.wrong.svelte-1ywhq0i{background:#fff5f5;border-color:#c0392b}.q-explain.svelte-1ywhq0i{color:#555;background:#fffbf0;border:1px solid #ffe0a0;border-radius:6px;margin-bottom:14px;padding:10px 14px;font-size:11px;line-height:1.7;display:none}.q-explain.svelte-1ywhq0i b{color:#c0392b}.q-explain.show.svelte-1ywhq0i{display:block}.btn-next.svelte-1ywhq0i{color:#fff;cursor:pointer;background:#1e4d91;border:none;border-radius:8px;width:100%;padding:10px;font-size:13px;font-weight:700;display:block}.btn-next.svelte-1ywhq0i:hover{background:#0d2b5e}.btn-next.svelte-1ywhq0i:disabled{cursor:default;background:#ccc}html[data-theme=dark] .r1c.svelte-1ywhq0i{color:#30d158!important;background:#30d15833!important}html[data-theme=dark] .r2c.svelte-1ywhq0i{color:#ebebf5b3!important;background:#30d1581f!important}html[data-theme=dark] .r3c.svelte-1ywhq0i{color:#ff9f0a!important;background:#ff9f0a33!important}html[data-theme=dark] .r4c.svelte-1ywhq0i{color:#ebebf5b3!important;background:#ff9f0a1f!important}html[data-theme=dark] .r5c.svelte-1ywhq0i{color:#ff453a!important;background:#ff453a33!important}html[data-theme=dark] .r1.svelte-1ywhq0i{background:#30d15826!important}html[data-theme=dark] .r2.svelte-1ywhq0i{background:#30d15814!important}html[data-theme=dark] .r3.svelte-1ywhq0i{background:#ff9f0a26!important}html[data-theme=dark] .r4.svelte-1ywhq0i{background:#ff9f0a14!important}html[data-theme=dark] .r5.svelte-1ywhq0i{background:#ff453a26!important}html[data-theme=dark] .ft.svelte-1ywhq0i{color:#ebebf5d9!important;background:#1c1c1e!important;border-right-color:#54545880!important}html[data-theme=dark] .hcat.svelte-1ywhq0i{color:#ebebf5e6!important;background:#2c2c2e!important}html[data-theme=dark] .lq5.svelte-1ywhq0i{background:#30d15833!important}html[data-theme=dark] .lq4.svelte-1ywhq0i{background:#30d1581f!important}html[data-theme=dark] .lq3.svelte-1ywhq0i{background:#ff9f0a33!important}html[data-theme=dark] .lq2.svelte-1ywhq0i{background:#ff9f0a1f!important}html[data-theme=dark] .submatrix.svelte-1ywhq0i th:where(.svelte-1ywhq0i),html[data-theme=dark] .submatrix.svelte-1ywhq0i td:where(.svelte-1ywhq0i){color:#ebebf5d9!important;border-color:#54545866!important}html[data-theme=dark] .submatrix.svelte-1ywhq0i tbody:where(.svelte-1ywhq0i) tr:where(.svelte-1ywhq0i):nth-child(2n) td:where(.svelte-1ywhq0i){background:#ffffff08!important}html[data-theme=dark] .tw.svelte-1ywhq0i th:where(.svelte-1ywhq0i),html[data-theme=dark] .tw.svelte-1ywhq0i td:where(.svelte-1ywhq0i){background-color:#1c1c1e;color:#ebebf5d9!important;border-color:#54545866!important}html[data-theme=dark] .tw.svelte-1ywhq0i tbody:where(.svelte-1ywhq0i) tr:where(.svelte-1ywhq0i):nth-child(2n) td:where(.svelte-1ywhq0i):not(.ft){background-color:#ffffff08!important}html[data-theme=dark] .q-opt-btn.selected.svelte-1ywhq0i{background:#0a84ff26!important;border-color:#0a84ff!important}html[data-theme=dark] .q-explain.svelte-1ywhq0i{color:#ebebf5d9!important;background:#2c2c2e!important;border-color:#54545880!important}html[data-theme=dark] .q-opt-btn.wrong.svelte-1ywhq0i{background:#ff453a1a!important;border-color:#ff453a!important}@media (width<=720px){.matrix-page.svelte-1ywhq0i,.type-practice.svelte-1ywhq0i,.type-card.svelte-1ywhq0i{padding:12px}.matrix-addon.svelte-1ywhq0i{padding:14px}.tw.svelte-1ywhq0i{min-height:960px}}