@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";@import"https://fonts.googleapis.com/css2?family=Liu+Jian+Mao+Cao&family=Long+Cang&family=Ma+Shan+Zheng&family=Zhi+Mang+Xing&display=swap";.demo-banner[data-v-7e786e98]{background:var(--accent-color);color:#fff;padding:8px 16px;font-size:.85rem;display:flex;align-items:center;justify-content:center;gap:12px;flex-shrink:0}.demo-banner a[data-v-7e786e98]{color:#fff;font-weight:600;text-decoration:underline}.dismiss-btn[data-v-7e786e98]{background:none;border:none;color:#fff;font-size:1.2rem;cursor:pointer;padding:0 4px;opacity:.8;line-height:1}.dismiss-btn[data-v-7e786e98]:hover{opacity:1}.due-badge[data-v-1f5083e0]{background:#0000001a;color:var(--text-secondary, #888);font-size:.55rem;font-weight:600;padding:1px 4px;border-radius:10px;position:absolute;top:-2px;right:-2px;line-height:1.2}.auth-link[data-v-1f5083e0]{font-size:.8rem;padding:4px 10px;border:1px solid var(--border-color);border-radius:5px;color:var(--text-color);white-space:nowrap;text-decoration:none;transition:border-color .15s,color .15s}.auth-link[data-v-1f5083e0]:hover{border-color:var(--accent-color);color:var(--accent-color)}.mobile-user-btn[data-v-1f5083e0]{width:32px;height:32px;border-radius:50%;background:var(--accent-color);color:#fff;font-size:.75rem;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;text-decoration:none}:root{--bg-color: #f5f5f5;--card-bg: #ffffff;--text-color: #333;--text-muted: #666;--text-dim: #999;--text-secondary: #888;--text-faint: #b2bec3;--accent-color: #c53929;--accent-hover: #a82d20;--ink-color: #1a1a1a;--border-color: #e0e0e0;--border-soft: #ccc;--border-light: #eee;--bg-subtle: #f8f9fa;--bg-hover: #f0f0f0;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .12);--transition-fast: .15s;--transition-normal: .2s;--transition-slow: .3s;--btn-secondary-bg: #f5f3f0;--btn-secondary-hover: #e5e5e5;--font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-hanzi: "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-handwriting-1: "Liu Jian Mao Cao", cursive;--font-handwriting-2: "Ma Shan Zheng", cursive;--font-handwriting-3: "Long Cang", cursive;--font-handwriting-4: "Zhi Mang Xing", cursive;--know-1: #e74c3c;--know-2: #f39c12;--know-3: #f1c40f;--know-4: #27ae60;--know-5: #3498db;--know-bg-1: #fff5f5;--know-bg-2: #fffbf0;--know-bg-3: #fffff0;--know-bg-4: #e6fffa;--know-bg-5: #e3f2fd;--hsk-1: #27ae60;--hsk-2: #2ecc71;--hsk-3: #3498db;--hsk-4: #9b59b6;--hsk-5: #f39c12;--hsk-6: #e67e22;--hsk-7-9: #e74c3c;--srs-new: #74b9ff;--srs-learning: #fdcb6e;--srs-young: #00b894;--srs-mature: #0984e3;--color-success: #27ae60;--color-warning: #f39c12;--color-error: #e74c3c;--color-info: #3498db;--badge-padding: 2px 6px;--badge-radius: 4px;--card-radius: 6px}*{box-sizing:border-box}html,body{overflow-x:hidden;max-width:100vw}body{font-family:var(--font-main);background-color:var(--bg-color);margin:0;color:var(--text-color);height:100vh;height:100dvh;font-size:14px;line-height:1.5;display:flex;flex-direction:column;overflow:hidden}#app{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}a{text-decoration:none;color:inherit}a:visited{color:inherit}button{padding:0;background:none;border:none;font:inherit;color:inherit;cursor:pointer}button.primary{padding:8px 16px;background:var(--accent-color);color:#fff;border:none;border-radius:6px;font-weight:500;transition:background var(--transition-fast) ease}button.primary:hover{background-color:var(--accent-hover)}button.secondary{padding:8px 16px;background:var(--btn-secondary-bg);color:var(--text-color);border:none;border-radius:var(--card-radius);font-weight:500;transition:background var(--transition-fast) ease}button.secondary:hover{background:var(--btn-secondary-hover)}input[type=text]{padding:8px 12px;border-radius:6px;border:1px solid var(--border-color);outline:none;transition:border 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var(--border-color);border-radius:6px;box-shadow:var(--shadow-lg);z-index:100;overflow:hidden}.search-dropdown-item{display:flex;align-items:center;gap:8px;padding:7px 12px;cursor:pointer;transition:background .1s}.search-dropdown-item.highlighted{background:var(--hover-bg, rgba(0,0,0,.05))}.search-dropdown-item .sdi-char{font-family:var(--font-hanzi);font-size:1.1rem;font-weight:600;min-width:1.5em;flex-shrink:0}.search-dropdown-item .sdi-pinyin{color:var(--text-muted);font-size:.82rem;min-width:3.5em;flex-shrink:0}.search-dropdown-item .sdi-def{color:var(--text-muted);font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}.search-dropdown-item .sdi-level{font-size:.65rem;font-weight:600;color:#fff;background:var(--text-dim);border-radius:3px;padding:1px 4px;flex-shrink:0;line-height:1.3}.search-dropdown-item .sdi-level[data-level="1"]{background:var(--hsk-1)}.search-dropdown-item 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280px;grid-template-rows:minmax(0,1fr) auto;overflow:hidden;width:100%;max-width:100vw}.dashboard.full-width{grid-template-columns:minmax(0,1fr)}.dashboard.full-width .panel{display:none}.dashboard .words-column{background:linear-gradient(180deg,#fafafa,#f5f5f5);border-left:1px solid var(--border-color);border-right:none}@media (max-width: 1200px){.dashboard{grid-template-columns:260px minmax(0,1fr) 260px}.dashboard .words-column{display:none}}@media (max-width: 900px){.dashboard{grid-template-columns:minmax(0,1fr)}.dashboard .panel{display:none}.dashboard:not(.full-width):not(.custom-panels){display:flex;flex-direction:column;overflow-y:auto}.dashboard:not(.full-width):not(.custom-panels) .panel{display:block;border-right:none;border-left:none;border-top:1px solid var(--border-color);overflow-y:visible;flex-shrink:0;min-height:auto}.dashboard:not(.full-width):not(.custom-panels) .empty-panel-placeholder{display:none}.dashboard:not(.full-width):not(.custom-panels) 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20px;text-align:left;font-size:.95rem;color:var(--text-color);background:transparent!important;transition:background .15s;text-decoration:none;border:none}.drawer-items>button:hover,.drawer-items>button:active,.drawer-items>a:hover,.drawer-items>a:active{background:#f5f3f0!important}.drawer-items .due-badge{position:static;font-size:.7rem;padding:2px 6px;margin-left:auto}.drawer-group-label{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);padding:16px 20px 4px;border-top:1px solid var(--border-color);margin-top:4px}.drawer-group-label:first-child{border-top:none;margin-top:0;padding-top:8px}}.panel{padding:16px;overflow-y:auto;border-right:1px solid var(--border-color);min-height:0;grid-row:1;background:#fafafa}.panel:last-child{border-right:none;border-left:1px solid var(--border-color)}.panel-title{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:10px;font-weight:600;display:flex;align-items:center;gap:6px;margin-top:16px}.panel-title:first-child{margin-top:0}.panel-subtitle{font-size:.7rem;color:var(--text-dim);margin:8px 0 4px;font-weight:600;text-transform:uppercase}.hsk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px}.hsk-btn,.hsk-btn:visited{display:block;color:#fff;padding:12px 10px;border-radius:6px;text-align:center;font-weight:600;font-size:.85rem;transition:background var(--transition-fast) ease,color var(--transition-fast) ease,border-color var(--transition-fast) ease}.hsk-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.hsk-btn.hsk-beginner{background:var(--hsk-1)}.hsk-btn.hsk-intermediate{background:var(--hsk-3)}.hsk-btn.hsk-advanced{background:var(--hsk-7-9)}.center-stage{background:var(--card-bg);display:flex;flex-direction:column;align-items:center;position:relative;padding:16px 24px 0;gap:12px;overflow-y:auto;min-height:0;grid-row:1}.center-stage.list-mode,.center-stage.home-mode{align-items:stretch;overflow-y:auto;padding:16px}.hero-top-bar{width:100%;display:flex;justify-content:center;padding-bottom:10px}.hero-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;gap:20px;flex-shrink:0;position:relative}.char-variants-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;z-index:0;container-type:size}.variant-ghost{position:absolute;font-size:9.5rem;color:#000;opacity:.04;-webkit-user-select:none;user-select:none;transition:opacity .3s;cursor:default}.variant-ghost:hover{opacity:.1}.variant-ghost.v1{font-family:var(--font-handwriting-1);top:0%;left:1%;transform:rotate(-6deg)}.variant-ghost.v2{font-family:var(--font-handwriting-2);top:0%;right:1%;transform:rotate(5deg)}.variant-ghost.v3{font-family:var(--font-handwriting-3);bottom:5%;left:0%;transform:rotate(4deg)}.variant-ghost.v4{font-family:var(--font-handwriting-4);bottom:5%;right:0%;transform:rotate(-4deg)}@container (max-height: 400px){.variant-ghost.v3,.variant-ghost.v4{display:none}}.hero-content:has(.explain-active) .variant-ghost.v3,.hero-content:has(.explain-active) .variant-ghost.v4{display:none}.trad-indicator{font-size:.85rem;color:var(--text-dim);margin-top:8px;padding:4px 12px;background:#f8f8f8;border-radius:12px;border:1px solid var(--border-light)}.trad-indicator:hover{color:var(--text-muted);background:var(--bg-hover)}.simplified-banner{display:flex;flex-direction:column;align-items:center;gap:4px;z-index:1}.simplified-banner+.hero-content{gap:12px}.simplified-label{font-size:.65rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);opacity:.45}.simplified-banner .hanzi-card{width:64px}.hero-bottom-bar{width:100%;display:flex;justify-content:center;padding-top:8px;padding-bottom:10px;border-top:1px solid var(--bg-hover);flex-shrink:0;position:sticky;bottom:0;background:var(--card-bg);z-index:2}body.dev-toolbar-active .hero-bottom-bar{bottom:70px}.hero-main-row{display:flex;align-items:center;justify-content:center;gap:60px;width:100%}.hero-divider{width:1px;height:100px;background:transparent}.hero-hanzi-group{display:flex;flex-direction:column;align-items:center;padding:30px 50px;border-radius:20px;border:1px solid var(--border-color);border-bottom:4px solid #e0e0e0;transition:border-color var(--transition-slow),background var(--transition-slow);background:var(--card-bg);position:relative;z-index:1}.hero-hanzi-group.know-1{border-bottom-color:var(--know-1);background:var(--know-bg-1)}.hero-hanzi-group.know-2{border-bottom-color:var(--know-2);background:var(--know-bg-2)}.hero-hanzi-group.know-3{border-bottom-color:var(--know-3);background:var(--know-bg-3)}.hero-hanzi-group.know-4{border-bottom-color:var(--know-4);background:var(--know-bg-4)}.hero-hanzi-group.know-5{border-bottom-color:var(--know-5);background:var(--know-bg-5)}.hero-word-group{display:flex;flex-direction:column;align-items:center;padding:20px 36px 14px;border-radius:20px;border:1px solid var(--border-color);border-bottom:4px solid #e0e0e0;transition:border-color var(--transition-slow),background 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.2s}.cy-item:hover{background:var(--bg-hover)}.cy-word{font-size:1.1rem;font-family:var(--font-hanzi);letter-spacing:2px}.cy-char{transition:opacity .2s}.cy-char:hover{opacity:.7}.cy-meaning{font-size:.85rem;color:var(--text-muted);flex:1}.cy-tier-badge{font-size:.6rem;padding:1px 5px;border-radius:3px;font-weight:500;flex-shrink:0;color:var(--text-muted);background:var(--bg-hover);border:1px solid var(--border-color)}.list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(75px,1fr));gap:8px}.list-section{width:100%;margin-bottom:20px}.review-header-btn{position:relative}.review-badge{background:#d63031;color:#fff;font-size:.7rem;font-weight:700;padding:2px 6px;border-radius:10px;margin-left:5px;min-width:18px;text-align:center}.review-container{max-width:500px;margin:0 auto;padding:40px 20px;display:flex;flex-direction:column;align-items:center}.review-progress-text{color:var(--text-secondary);font-size:.9rem}.review-card{background:var(--card-bg);border:2px solid 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