.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,rgba(192,72,81,.05),rgba(136,173,166,.05));border-bottom:1px solid var(--color-border);padding:2rem 1rem;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);background-color:#f0ebe5f2}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:2rem}.header-title-section{flex:1}.app-title{font-size:2.5rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.5rem;font-family:"Noto Serif SC",serif;display:flex;align-items:center;gap:1rem}.title-icon{font-size:2rem;animation:float 3s ease-in-out infinite}.title-icon:last-child{animation-delay:1.5s}.app-subtitle{font-size:1.1rem;color:var(--color-text-secondary);font-weight:400}.current-term-badge{background:linear-gradient(135deg,var(--color-primary),#D85C64);color:#fff;padding:1rem 1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-md);text-align:center;min-width:160px;animation:slideIn .6s ease-out}.badge-label{font-size:.85rem;opacity:.9;margin-bottom:.25rem}.badge-term{font-size:1.75rem;font-weight:700;margin-bottom:.25rem;font-family:"Noto Serif SC",serif}.badge-date{font-size:.9rem;opacity:.95}.app-main{flex:1;max-width:1400px;width:100%;margin:0 auto;padding:3rem 1rem}.filter-section{margin-bottom:2.5rem;text-align:center}.filter-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin-bottom:1rem;font-family:"Noto Serif SC",serif}.filter-buttons{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.filter-btn{padding:.75rem 2rem;border-radius:var(--radius-md);font-size:1rem;font-weight:600;background:white;color:var(--color-text-primary);border:2px solid var(--color-border);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.filter-btn:hover{border-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}.filter-btn.active{background:linear-gradient(135deg,var(--color-accent),#6B9B94);color:#fff;border-color:var(--color-accent);box-shadow:var(--shadow-md)}.filter-btn[data-season=spring].active{background:linear-gradient(135deg,var(--color-spring),#7AAD7A);border-color:var(--color-spring)}.filter-btn[data-season=summer].active{background:linear-gradient(135deg,var(--color-summer),#D88568);border-color:var(--color-summer)}.filter-btn[data-season=autumn].active{background:linear-gradient(135deg,var(--color-autumn),#C89410);border-color:var(--color-autumn)}.filter-btn[data-season=winter].active{background:linear-gradient(135deg,var(--color-winter),#9AB3CC);border-color:var(--color-winter)}.terms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;animation:fadeIn .6s ease-out}.app-footer{background:linear-gradient(135deg,rgba(192,72,81,.05),rgba(136,173,166,.05));border-top:1px solid var(--color-border);padding:2.5rem 1rem;margin-top:4rem}.footer-content{max-width:1400px;margin:0 auto;text-align:center}.footer-text{font-size:1rem;line-height:1.8;color:var(--color-text-secondary);margin-bottom:1rem;max-width:800px;margin-left:auto;margin-right:auto}.footer-copyright{font-size:.9rem;color:var(--color-text-secondary);opacity:.8}@media (max-width: 1024px){.terms-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}}@media (max-width: 768px){.app-header{padding:1.5rem 1rem}.header-content{flex-direction:column;text-align:center}.app-title{font-size:2rem;justify-content:center}.app-subtitle{font-size:1rem}.current-term-badge{width:100%}.app-main{padding:2rem 1rem}.filter-buttons{gap:.75rem}.filter-btn{padding:.625rem 1.5rem;font-size:.95rem}.terms-grid{grid-template-columns:1fr;gap:1.25rem}.app-footer{padding:2rem 1rem;margin-top:3rem}}@media (max-width: 480px){.app-title{font-size:1.75rem}.title-icon{font-size:1.5rem}.filter-buttons{width:100%}.filter-btn{flex:1;min-width:70px;padding:.625rem 1rem}}.solar-term-card{background:var(--color-bg-card);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);cursor:pointer;position:relative;overflow:hidden;border:2px solid transparent}.solar-term-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--season-color);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-normal)}.solar-term-card:hover:before{transform:scaleX(1)}.solar-term-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--season-color)}.solar-term-card.active{border-color:var(--season-color);box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-number{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--season-color),rgba(136,173,166,.3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;box-shadow:0 2px 8px #00000026}.card-season-badge{padding:.25rem .75rem;border-radius:12px;font-size:.85rem;font-weight:600;color:#fff;background:var(--season-color);box-shadow:0 2px 6px #0000001a}.card-content{margin-bottom:1rem}.card-title{font-size:1.75rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.25rem;font-family:"Noto Serif SC",serif}.card-english{font-size:.9rem;color:var(--color-text-secondary);font-style:italic;margin-bottom:.5rem}.card-date{font-size:.95rem;color:var(--season-color);font-weight:600;margin-bottom:.75rem}.card-description{font-size:.95rem;line-height:1.7;color:var(--color-text-secondary)}.card-footer{padding-top:1rem;border-top:1px solid var(--color-border)}.card-poem{font-size:.9rem;color:var(--color-text-secondary);font-style:italic;line-height:1.6;font-family:"Noto Serif SC",serif}.card-hover-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,var(--season-color),transparent);padding:1.5rem;transform:translateY(100%);transition:transform var(--transition-normal);display:flex;align-items:center;justify-content:center}.solar-term-card:hover .card-hover-overlay{transform:translateY(0)}.hover-text{color:#fff;font-weight:600;font-size:1rem;text-shadow:0 2px 4px rgba(0,0,0,.2)}@media (max-width: 768px){.solar-term-card{padding:1.25rem}.card-title{font-size:1.5rem}.card-description{font-size:.9rem}}.detail-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;animation:fadeIn .3s ease-out;overflow-y:auto}.detail-container{background:var(--color-bg-card);border-radius:var(--radius-lg);max-width:900px;width:100%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg);animation:slideIn .4s ease-out}.detail-close{position:absolute;top:1rem;right:1rem;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--color-text-primary);font-size:1.5rem;display:flex;align-items:center;justify-content:center;z-index:10;box-shadow:var(--shadow-md);transition:all var(--transition-fast)}.detail-close:hover{background:var(--color-primary);color:#fff;transform:rotate(90deg)}.detail-header{position:relative;padding:3rem 2rem;overflow:hidden}.detail-header-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--season-color),rgba(136,173,166,.3));opacity:.15}.detail-header-content{position:relative;text-align:center}.detail-season-badge{display:inline-block;padding:.5rem 1.5rem;border-radius:20px;font-size:1rem;font-weight:600;color:#fff;background:var(--season-color);margin-bottom:1rem;box-shadow:0 4px 12px #00000026}.detail-title{font-size:3rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.5rem;font-family:"Noto Serif SC",serif}.detail-english{font-size:1.25rem;color:var(--color-text-secondary);font-style:italic;margin-bottom:1rem}.detail-date{font-size:1.1rem;color:var(--season-color);font-weight:600}.detail-body{padding:2rem}.detail-section{margin-bottom:2.5rem}.section-title{font-size:1.5rem;font-weight:600;color:var(--color-text-primary);margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem;font-family:"Noto Serif SC",serif}.section-icon{font-size:1.75rem}.section-content{font-size:1.05rem;line-height:1.9;color:var(--color-text-secondary);text-align:justify}.customs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.custom-item{background:linear-gradient(135deg,rgba(136,173,166,.1),rgba(192,72,81,.05));padding:1rem 1.25rem;border-radius:var(--radius-sm);border-left:3px solid var(--season-color);display:flex;align-items:center;gap:.75rem;font-weight:500;transition:all var(--transition-fast)}.custom-item:hover{transform:translate(4px);box-shadow:var(--shadow-sm)}.custom-dot{width:8px;height:8px;border-radius:50%;background:var(--season-color);flex-shrink:0}.poem-box{background:linear-gradient(135deg,rgba(136,173,166,.08),rgba(192,72,81,.08));border-radius:var(--radius-md);padding:2rem;border:1px solid var(--color-border);position:relative;overflow:hidden}.poem-box:before{content:'"';position:absolute;top:-.5rem;left:1rem;font-size:6rem;color:var(--season-color);opacity:.1;font-family:serif}.poem-text{font-size:1.15rem;line-height:2;color:var(--color-text-primary);font-family:"Noto Serif SC",serif;text-align:center;position:relative;z-index:1}.knowledge-graph{background:var(--color-bg-main);border-radius:var(--radius-md);padding:2rem;display:flex;flex-direction:column;align-items:center;gap:2rem}.graph-center{display:flex;justify-content:center}.graph-node{padding:1rem 2rem;border-radius:var(--radius-md);font-weight:600;font-size:1.1rem;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.graph-node.current{background:linear-gradient(135deg,var(--season-color),rgba(136,173,166,.5));color:#fff;font-size:1.25rem;box-shadow:var(--shadow-md)}.graph-node.connected{background:white;color:var(--color-text-primary);border:2px solid var(--node-color);cursor:pointer}.graph-node.connected:hover{background:var(--node-color);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.graph-connections{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center}.graph-connection{display:flex;flex-direction:column;align-items:center;gap:.5rem}.connection-line{width:2px;height:30px;background:linear-gradient(to bottom,var(--season-color),transparent)}.recorder-section{background:linear-gradient(135deg,rgba(136,173,166,.05),rgba(192,72,81,.05));border-radius:var(--radius-md);padding:2rem;margin-top:3rem}.recorder-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.btn-start-record{background:linear-gradient(135deg,var(--color-primary),#D85C64);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.btn-start-record:hover{background:linear-gradient(135deg,#D85C64,var(--color-primary));transform:translateY(-2px);box-shadow:var(--shadow-md)}.recorder-placeholder{text-align:center;padding:3rem 2rem}.placeholder-icon{font-size:4rem;margin-bottom:1rem;animation:float 3s ease-in-out infinite}.placeholder-text{font-size:1.1rem;color:var(--color-text-secondary);line-height:1.8}@media (max-width: 768px){.detail-container{max-height:95vh;border-radius:var(--radius-md)}.detail-header{padding:2rem 1.5rem}.detail-title{font-size:2.25rem}.detail-body{padding:1.5rem}.section-title{font-size:1.25rem}.customs-grid{grid-template-columns:1fr}.graph-connections{flex-direction:column;gap:1rem}.connection-line{height:20px}.recorder-header{flex-direction:column;align-items:flex-start;gap:1rem}.btn-start-record{width:100%}}@media (max-width: 480px){.detail-overlay{padding:0}.detail-container{max-height:100vh;border-radius:0}.detail-title{font-size:2rem}}.video-recorder{width:100%;max-width:800px;margin:0 auto}.recorder-question{background:linear-gradient(135deg,rgba(192,72,81,.1),rgba(136,173,166,.1));border-left:4px solid var(--color-primary);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:2rem;display:flex;align-items:flex-start;gap:1rem;animation:slideIn .6s ease-out}.question-icon{font-size:2rem;flex-shrink:0;animation:float 3s ease-in-out infinite}.question-text{font-size:1.1rem;line-height:1.8;color:var(--color-text-primary);font-weight:500}.recorder-container{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:1.5rem}.video-preview{width:100%;height:100%;object-fit:cover}.countdown-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:10;animation:fadeIn .3s ease-out}.countdown-number{font-size:6rem;font-weight:700;color:#fff;text-shadow:0 4px 20px rgba(192,72,81,.5);animation:pulse 1s ease-in-out}.recording-indicator{position:absolute;top:1rem;right:1rem;background:rgba(255,0,0,.9);color:#fff;padding:.5rem 1rem;border-radius:20px;display:flex;align-items:center;gap:.5rem;font-weight:600;font-size:.9rem;box-shadow:0 4px 12px #ff00004d;animation:fadeIn .3s ease-out}.recording-dot{width:12px;height:12px;background:white;border-radius:50%;animation:pulse 1.5s ease-in-out infinite}.error-message{background:rgba(255,77,77,.1);border:1px solid rgba(255,77,77,.3);border-radius:var(--radius-sm);padding:1rem;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;color:#d32f2f;animation:slideIn .3s ease-out}.error-icon{font-size:1.2rem}.recorder-controls{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem}.preview-controls{display:flex;gap:1rem}.btn{padding:.875rem 2rem;border-radius:var(--radius-md);font-size:1rem;font-weight:600;display:inline-flex;align-items:center;gap:.5rem;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:active:not(:disabled){transform:translateY(0)}.btn-icon{font-size:1.2rem}.btn-primary{background:linear-gradient(135deg,var(--color-accent),#6B9B94);color:#fff}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#6B9B94,var(--color-accent))}.btn-record{background:linear-gradient(135deg,#FF6B6B,#EE5A6F);color:#fff;padding:1rem 2.5rem;font-size:1.1rem}.btn-record:hover:not(:disabled){background:linear-gradient(135deg,#EE5A6F,#FF6B6B)}.btn-stop{background:linear-gradient(135deg,#666,#888);color:#fff;padding:1rem 2.5rem;font-size:1.1rem}.btn-stop:hover:not(:disabled){background:linear-gradient(135deg,#888,#666)}.btn-secondary{background:white;color:var(--color-text-primary);border:2px solid var(--color-border)}.btn-secondary:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}.btn-download{background:linear-gradient(135deg,var(--color-primary),#D85C64);color:#fff}.btn-download:hover:not(:disabled){background:linear-gradient(135deg,#D85C64,var(--color-primary))}.recorder-tips{background:var(--color-bg-card);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm)}.tip-title{font-size:1.1rem;font-weight:600;color:var(--color-text-primary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.tip-list{list-style:none;display:grid;gap:.75rem}.tip-list li{padding-left:1.5rem;position:relative;color:var(--color-text-secondary);line-height:1.6}.tip-list li:before{content:"\2022";position:absolute;left:0;color:var(--color-accent);font-weight:700;font-size:1.2rem}@media (max-width: 768px){.recorder-question{padding:1rem}.question-text{font-size:1rem}.countdown-number{font-size:4rem}.btn{padding:.75rem 1.5rem;font-size:.9rem}.btn-record,.btn-stop{padding:.875rem 2rem;font-size:1rem}.preview-controls{flex-direction:column;width:100%}.preview-controls .btn{width:100%;justify-content:center}}@media (max-width: 480px){.recorder-controls{flex-direction:column;width:100%}.recorder-controls .btn{width:100%;justify-content:center}}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:300;font-display:swap;src:url(/fonts/NotoSerifSC-Light.ttf) format("truetype")}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/NotoSerifSC-Regular.ttf) format("truetype")}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/NotoSerifSC-Medium.ttf) format("truetype")}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/NotoSerifSC-SemiBold.ttf) format("truetype")}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/NotoSerifSC-Bold.ttf) format("truetype")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:300;font-display:swap;src:url(/fonts/NotoSansSC-Light.ttf) format("truetype")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/NotoSansSC-Regular.ttf) format("truetype")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/NotoSansSC-Medium.ttf) format("truetype")}@font-face{font-family:Noto Sans SC;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/NotoSansSC-SemiBold.ttf) format("truetype")}:root{--color-spring: #8FBC8F;--color-summer: #E9967A;--color-autumn: #DAA520;--color-winter: #B0C4DE;--color-primary: #C04851;--color-secondary: #7A7374;--color-accent: #88ADA6;--color-bg-main: #F0EBE5;--color-bg-card: #FEFEFE;--color-text-primary: #2C2C2C;--color-text-secondary: #666666;--color-border: #E0D5C7;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Noto Sans SC,"Noto Serif SC",-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,var(--color-bg-main) 0%,#E8DDD0 100%);color:var(--color-text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}#root{min-height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-main)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all var(--transition-normal)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{font-family:inherit;outline:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.5rem 1rem;transition:all var(--transition-fast)}input:focus,textarea:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #88ada61a}.card{background:var(--color-bg-card);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.gradient-text{background:linear-gradient(135deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.season-spring{color:var(--color-spring)}.season-summer{color:var(--color-summer)}.season-autumn{color:var(--color-autumn)}.season-winter{color:var(--color-winter)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.fade-in{animation:fadeIn .6s ease-out}.slide-in{animation:slideIn .6s ease-out}@media (max-width: 768px){:root{font-size:14px}}@media (max-width: 480px){:root{font-size:13px}}