:root{--paper: #F6F1E7;--paper-warm: #FBF7EF;--paper-dark: #EFE7D8;--coffee: #34302A;--coffee-light: #3A5A40;--coffee-muted: #8C9A86;--coffee-bg: #E4EDE6;--coffee-bg-light: #EFF3EE;--text: #34302A;--text-soft: #4A4138;--text-2: #5F695C;--text-3: #8C9A86;--text-inverse: #FBF7EF;--primary: #3A5A40;--primary-ink: #2C4533;--primary-bg: #E4EDE6;--success: #3F7A4E;--success-bg: #E6F0E4;--danger: #B23A2E;--danger-bg: #F7E6DF;--warn: #B0821F;--warn-bg: #F7EFDC;--info: #537D96;--info-bg: #E6EEF2;--accent: #3A5A40;--accent-soft: #E4EDE6;--cyan: #537D96;--gold: #B08D57;--divider: #E5DCCB;--border: #D8CDB8;--hairline: #ECE3D4;--shadow-sm: 0 1px 2px rgba(62, 72, 56, .05);--shadow-md: 0 4px 12px rgba(62, 72, 56, .07);--shadow-lg: 0 8px 28px rgba(62, 72, 56, .09);--clay-shadow: 0 4px 14px rgba(62, 72, 56, .08), 0 1px 3px rgba(62, 72, 56, .06), inset 0 1px 0 rgba(255, 255, 255, .7);--clay-shadow-hover: 0 8px 22px rgba(62, 72, 56, .12), 0 2px 6px rgba(62, 72, 56, .08), inset 0 1px 0 rgba(255, 255, 255, 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#2E2620;--blank-bg-active: #3A2E26}[data-theme=eye]{--paper: #E7F0DD;--paper-warm: #F2F7EC;--paper-dark: #DBE6CE;--coffee: #33382C;--coffee-light: #4A6B50;--coffee-muted: #8C9179;--coffee-bg: #D6E4C6;--coffee-bg-light: #E6EFDA;--text: #33382C;--text-soft: #4A4D3F;--text-2: #5F6650;--text-3: #8C9179;--text-inverse: #F2F7EC;--primary: #3A5A40;--primary-ink: #2C4533;--primary-bg: #E6EFDA;--success: #4F8A5E;--success-bg: #E2EEDD;--danger: #B23A2E;--danger-bg: #F1E4DC;--warn: #B0821F;--warn-bg: #EFEAD6;--info: #4A7BA8;--info-bg: #E2E9EF;--divider: #D2DDC2;--border: #C5D3B2;--hairline: #DEE7D2;--shadow-sm: 0 1px 2px rgba(70, 90, 55, .06);--shadow-md: 0 4px 12px rgba(70, 90, 55, .08);--shadow-lg: 0 8px 28px rgba(70, 90, 55, .1);--clay-shadow: 0 4px 14px rgba(70, 90, 55, .08), 0 1px 3px rgba(70, 90, 55, .06), inset 0 1px 0 rgba(255, 255, 255, .6);--clay-shadow-hover: 0 8px 22px rgba(70, 90, 55, .12), 0 2px 6px rgba(70, 90, 55, .08), inset 0 1px 0 rgba(255, 255, 255, .7);--clay-shadow-pressed: 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cubic-bezier(.22,.61,.36,1);font-family:inherit;box-shadow:none}.sidebar-tab:active{transform:scale(.96)}.sidebar-tab.active{background:var(--paper-warm);color:var(--primary, #C0532F);box-shadow:var(--clay-shadow)}.sidebar-tab-15th.active{background:var(--paper-warm);color:#e8743b;box-shadow:var(--clay-shadow)}.sidebar-search{padding:10px 16px 14px;position:relative}.sidebar-search .search-icon{position:absolute;left:26px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-3);pointer-events:none;margin-top:-2px}.sidebar-search input{width:100%;padding:10px 36px;border:1.5px solid var(--hairline);border-radius:12px;font-size:14px;outline:none;background:var(--paper);color:var(--text);box-shadow:var(--clay-shadow-inset);transition:all .2s ease}.sidebar-search input:focus{border-color:var(--coffee-light);background:var(--paper-warm);box-shadow:var(--clay-shadow-inset),0 0 0 3px #c0532f14}.sidebar-search input::placeholder{color:var(--text-3)}.sidebar-search 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8px}.nav-group-label{font-size:11px;font-weight:500;letter-spacing:1.5px;color:var(--text-3);white-space:nowrap}.nav-part{margin-bottom:8px;padding-left:10px;border-left:1.5px solid var(--hairline)}.nav-part:last-child{margin-bottom:0}.nav-part.single-part{padding-left:0;border-left:none}.nav-part-title{display:flex;align-items:center;gap:6px;padding:8px 6px;font-size:14px;font-weight:500;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none;transition:color .15s ease}.nav-part-title:hover{color:var(--coffee-light)}.nav-part-title:active{color:var(--coffee)}.nav-part-title.active{color:var(--primary);font-weight:700}.nav-arrow{font-size:16px;line-height:1;color:var(--text-3);transition:transform .2s ease;transform:rotate(90deg);width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.nav-part.collapsed .nav-part-title .nav-arrow{transform:rotate(0)}.nav-part-body{padding:2px 0}.nav-part.collapsed .nav-part-body{display:none}.nav-chapter{margin:1px 0;padding-left:12px}.nav-chapter-title{display:flex;align-items:center;gap:6px;padding:7px 6px 7px 8px;font-size:13px;font-weight:500;color:var(--text-2);cursor:pointer;-webkit-user-select:none;user-select:none;border-left:1.5px solid var(--hairline);margin-left:-1.5px;transition:color .15s ease}.nav-chapter-title:hover{color:var(--coffee-light)}.nav-chapter-title .nav-arrow{color:var(--text-3);font-size:13px}.nav-chapter.collapsed .nav-arrow{transform:rotate(0)}.nav-chapter.collapsed .kp-grid{display:none}.kp-grid{display:flex;flex-direction:column;padding:1px 0 6px}.kp-grid .nav-kp+.nav-kp{border-top:.5px solid var(--hairline)}.nav-kp{position:relative;display:flex;align-items:center;gap:8px;min-height:40px;padding:7px 10px 7px 20px;color:var(--text);font-size:13.5px;font-weight:400;cursor:pointer;border-radius:10px;transition:color .2s ease,background .2s ease,box-shadow .2s ease;line-height:1.4}.nav-kp:hover{color:var(--coffee-light);background:var(--paper-dark)}.nav-kp:active{background:var(--coffee-bg-light);box-shadow:var(--clay-shadow-pressed)}.nav-kp.active{color:var(--coffee);font-weight:500;background:var(--paper-warm);box-shadow:var(--clay-shadow);border-left:none}.nav-kp.locked{opacity:.5;cursor:not-allowed}.nav-kp.locked:hover{color:var(--text)}.nav-kp .kp-num{flex-shrink:0;min-width:26px;font-size:11px;font-weight:500;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;line-height:1.4;pointer-events:none}.nav-kp.active .kp-num{color:var(--coffee);font-weight:600}.nav-kp .kp-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-kp .kp-badge{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;font-size:9px;line-height:1;margin-left:2px}.nav-kp 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cubic-bezier(.22,.61,.36,1)}@keyframes cardIn{0%{opacity:0;transform:translateY(10px) scale(.99)}60%{opacity:1;transform:translateY(-1px) scale(1.002)}to{opacity:1;transform:translateY(0) scale(1)}}.card-breadcrumb{display:none}.card-title{font-size:var(--fs-h1);font-weight:700;color:var(--coffee);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--divider);line-height:1.32;display:block}.card-title .kp-label{display:none}.card-title .kp-name{display:block}.card-stats,.card-edit-bar{display:none}.card.editing .card-edit-bar{display:flex;margin:16px 0 24px;gap:8px;flex-wrap:wrap}.edit-btn{font-size:14px;padding:7px 18px;border:1.5px solid var(--coffee-light);background:var(--coffee-bg-light);border-radius:10px;cursor:pointer;color:var(--coffee-light);font-weight:600;box-shadow:0 2px 5px #4a3b2a0f,inset 0 1px 0 var(--clay-highlight);transition:all .2s cubic-bezier(.22,.61,.36,1)}.edit-btn:active{transform:scale(.96);box-shadow:var(--clay-shadow-pressed)}.edit-btn:hover{background:var(--coffee-light);color:var(--text-inverse);box-shadow:var(--clay-shadow-hover)}.edit-btn.editing{background:var(--success);color:var(--text-inverse);border-color:var(--success)}.edit-btn.edit-reset{color:var(--warn);border-color:var(--warn);background:var(--warn-bg)}.edit-btn.edit-cancel{color:var(--danger);border-color:var(--danger);background:var(--danger-bg)}[data-theme=dark] .edit-btn{background:var(--paper-dark);color:var(--text-2);border-color:var(--border)}[data-theme=dark] .edit-btn:hover{background:var(--coffee-light);color:var(--text-inverse)}.card-section-title{display:none}.read-section-title{display:inline-flex;align-items:center;padding:3px 12px;margin:8px 0 6px;background:var(--coffee-bg-light);color:var(--coffee-light);font-size:12px;font-weight:600;line-height:1.4;border-radius:999px;-webkit-user-select:none;user-select:none;letter-spacing:.2px;box-shadow:0 1px 2px #4a3b2a0d,inset 0 1px 0 var(--clay-highlight)}.read-section-title:first-child{margin-top:4px}.card>.card-section-title+.card-text,.read-section{border-bottom:1px solid var(--divider);padding-bottom:20px}.past-quiz-entry{display:flex;align-items:center;justify-content:space-between;width:100%;margin:2px 0 0;padding:14px 16px;background:var(--primary-bg, #fbf1ec);border:1px solid var(--divider);border-radius:14px;color:var(--primary-ink, #8a3b22);font-family:inherit;font-size:var(--fs-body, 16px);font-weight:600;text-align:left;cursor:pointer;box-sizing:border-box;box-shadow:var(--clay-shadow);transition:all .2s cubic-bezier(.22,.61,.36,1)}.past-quiz-entry:hover{border-color:var(--primary, #C0532F);box-shadow:var(--clay-shadow-hover);transform:translateY(-2px)}.past-quiz-entry:active{transform:translateY(0) scale(.99);box-shadow:var(--clay-shadow-pressed)}.past-quiz-entry .past-quiz-entry-label{flex:1 1 auto}.past-quiz-entry .past-quiz-entry-arrow{flex-shrink:0;margin-left:12px;color:var(--primary, #C0532F);font-size:18px;line-height:1}.past-quiz-entry:focus-visible{outline:2px solid var(--primary, #C0532F);outline-offset:2px}.card-text,.read-text{font-size:var(--fs-body);line-height:1.86;color:var(--text);word-break:break-word;overflow-wrap:anywhere}.card-text p,.read-text p{margin:0 0 14px;text-align:left}.card-text p:last-child,.read-text p:last-child{margin-bottom:0}.card-text .p-indent,.read-text .p-indent{text-indent:2em}.card-text .p-bullet,.read-text .p-bullet{text-indent:0}.card-text strong,.read-text strong{color:var(--coffee);font-weight:600}.editing .card-text,.editing .read-text{background:var(--paper-warm);box-shadow:inset 0 0 0 1px 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#e0e0d8;border-radius:12px;background:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease}.ex-judge-btn:hover{border-color:var(--primary);background:#6a9c240a;transform:translateY(-1px)}.ex-judge-btn.wrong:hover{border-color:#ef5350;background:#ef535008}.ex-judge-result{padding:8px 14px;font-size:14px;color:var(--text-2);margin-top:4px}.correct-text{color:#2e7d32;font-weight:600}.wrong-text{color:#c62828;font-weight:600}.koujue-ex-show.answered{background:linear-gradient(135deg,var(--coffee),#b89b61);color:#fff;border:none;margin-top:8px}.fav-item .fi-wrong{position:absolute;top:2px;right:0;font-size:11px;font-weight:700;color:var(--danger);background:var(--danger-bg);border:1px solid rgba(178,58,46,.28);border-radius:12px;padding:2px 8px}.fav-item .fi-wrong.hot{color:#fff;background:var(--danger);border-color:var(--danger)}#contentArea[data-fs=s] .card-text,#contentArea[data-fs=s] .read-text,#contentArea[data-fs=s] 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