.component-themetoggle.icon button{all:unset;display:flex;padding:12px;border-radius:6px;color:var(--white);text-align:center;cursor:pointer;transition:all .2s ease}.component-themetoggle.icon button:hover{color:var(--primary-color)}.component-themetoggle.mobile button{border:2px solid var(--grey-medium-dark);background-color:var(--secondary-color);width:88px;height:48px;border-radius:6px;color:var(--white);font-weight:700;box-shadow:0 1px 4px var(--popup-shadow-color);text-align:center;cursor:pointer;transition:background-color .2s ease}.component-themetoggle.mobile button:hover{background-color:var(--grey-deep);border:2px solid var(--primary-color)}.component-languageselector{position:relative}.component-languageselector.mobile{position:relative;width:110px}.component-languageselector.mobile .language-toggle{background-color:var(--secondary-color);border:2px solid 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img{user-drag:none;-webkit-user-select:none;user-select:none;pointer-events:none}.component-footer .footer-container{max-width:1000px;margin:0 auto}.component-footer .footer-logo{height:50px;margin-bottom:10px}.component-footer .footer-text{font-size:14px;margin-bottom:10px}.component-footer .footer-links{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.component-footer .footer-links a{color:var(--primary-color);text-decoration:none;font-weight:500;font-size:14px}.component-footer .footer-links a:hover{text-decoration:underline}.component-hskchart{margin-top:40px;padding:20px;background-color:var(--secondary-color);border-radius:8px;text-align:center;max-width:1200px;margin-left:auto;margin-right:auto}.component-hskchart h2{font-size:22px;margin-bottom:15px;color:var(--white)}.component-hskchart p{font-size:16px;line-height:1.6;color:var(--text-light-color)}.component-hskchart 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.chart-wrapper *:focus{outline:none!important;box-shadow:none!important}.component-hskchart .mobile-toggle-btn{display:none}@media (max-width: 768px){.component-hskchart{padding:15px;margin-top:20px}.component-hskchart h2{font-size:18px;margin-bottom:10px}.component-hskchart p{font-size:14px}.component-hskchart .toggles-container{flex-direction:column;gap:15px;margin-bottom:15px;align-items:center}.component-hskchart .toggle-label{gap:8px;font-size:14px}.component-hskchart .toggle-switch{width:40px;height:20px}.component-hskchart .toggle-switch.active .toggle-thumb,.component-hskchart .toggle-thumb{width:16px;height:16px;top:2px}.component-hskchart .toggle-switch.active .toggle-thumb{left:22px}.component-hskchart .chart-wrapper{padding:15px;height:300px}.component-hskchart .segmented-toggle{display:none}.component-hskchart .mobile-toggle-btn{border:2px solid var(--grey-medium-dark);background-color:var(--secondary-color);font-size:.8rem;border-radius:6px;color:var(--white);box-shadow:0 1px 4px var(--popup-shadow-color);cursor:pointer;transition:background-color .2s ease,border-color .2s ease;display:inline-block;margin-top:0}.component-hskchart .mobile-toggle-btn:hover{background-color:var(--grey-deep);border-color:var(--primary-color)}}.page-home{--card-padding: 20px}.page-home img{user-drag:none;-webkit-user-select:none;user-select:none;pointer-events:none}.page-home .home-hero{position:relative;display:flex;flex-direction:column;justify-content:center;row-gap:1rem;text-align:center;padding:40px 20px;margin-bottom:40px;background:no-repeat center/cover;box-shadow:0 4px 20px #0000004d;overflow:hidden;min-height:calc(100vh - var(--header-size))}.page-home .hero-punchline{font-size:48px;font-family:"Noto Serif SC";color:var(--primary-color)}.page-home .hero-description{font-size:18px;color:var(--white);max-width:700px;margin:0 auto 20px;line-height:1.6;background-color:#0003;border-radius:10px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1;position:relative;box-shadow:0 2px 4px #0000000a,0 4px 8px #00000009,0 6px 12px #00000008,0 8px 16px #00000006,0 10px 20px #00000005,0 12px 24px #00000004,0 14px 28px #00000003,0 16px 32px #00000002,0 18px 36px #00000002,0 20px 40px #00000001}.page-home .hero-actions{display:flex;justify-content:center;gap:20px;margin-top:20px;z-index:1;position:relative}.page-home .primary-button,.page-home .secondary-button{padding:12px 20px;font-size:16px;font-weight:700;text-decoration:none;border-radius:6px;transition:background-color .3s ease}.page-home .primary-button{background-color:var(--primary-color);color:#fff}.page-home .primary-button:hover{background-color:var(--hover-color)}.page-home .secondary-button{background-color:var(--grey-medium-dark);color:var(--white)}.page-home .secondary-button:hover{background-color:var(--grey-medium-light)}.page-home .features-section{text-align:center;max-width:1200px;margin:40px auto 0}.page-home .features-section h2{font-size:24px;margin-bottom:20px;color:var(--white)}.page-home .features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.page-home .feature-card{background-color:var(--secondary-color);padding:var(--card-padding);border-radius:8px;display:flex;flex-direction:column;text-align:center;transition:transform .3s ease,box-shadow .3s ease;cursor:pointer}.page-home .feature-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000004d}.page-home .feature-icon{display:flex;justify-content:center;align-items:center;height:40px;font-size:40px;font-family:"Noto Serif SC",serif;margin-bottom:10px;color:var(--primary-color)}.page-home .feature-card h3{font-size:20px;margin-bottom:10px;color:var(--white)}.page-home .feature-card p{font-size:14px;color:var(--text-light-color);margin-bottom:15px}.page-home .feature-link{font-size:14px;font-weight:700;color:var(--primary-color);text-decoration:none;margin-top:auto}.page-home .feature-link:hover{text-decoration:underline}.page-home .feature-section-card{background-color:var(--secondary-color);border-radius:8px;margin:40px auto;padding:0;max-width:1200px}.page-home .feature-section-card h2{font-size:22px;margin-bottom:15px;color:var(--white)}.page-home .sexy-card-content{display:flex;flex-wrap:wrap;align-items:stretch;margin:0}.page-home .feature-section-card.flipped .sexy-card-content,.page-home .half-card.flipped .sexy-card-content{flex-direction:row-reverse}.page-home .half-card{width:48%;display:flex;flex-direction:column}.page-home .half-card .sexy-card-content{display:flex;flex-direction:row;align-items:stretch}.page-home .sexy-image-wrapper{flex:1 1 50%;min-width:300px;overflow:hidden;position:relative}.page-home .sexy-image{width:100%;height:100%;display:block;object-fit:cover;border-radius:0}.page-home .image-fade.fade-left,.page-home .image-fade.fade-right{position:absolute;top:0;width:60px;height:100%;pointer-events:none;background:linear-gradient(to left,transparent,var(--secondary-color))}.page-home .image-fade.fade-left{right:0;background:linear-gradient(to right,transparent,var(--secondary-color))}.page-home .search-images-row{display:flex;width:100%;position:relative;overflow:hidden}.page-home .search-image,.page-home .search-image-wrapper{display:block;margin:0;padding:0;max-width:100%}.page-home .search-image-wrapper{width:50%}.page-home .vertical-fade-bottom{position:absolute;bottom:0;height:60px;width:100%;background:linear-gradient(to top,var(--secondary-color),transparent);z-index:2}.page-home .sexy-text{flex:1 1 50%;padding:30px 20px;font-size:16px;color:var(--text-light-color);display:flex;flex-direction:column;justify-content:center;text-align:center}.page-home .sexy-text ul{list-style-position:inside;padding-left:0;text-align:center}.page-home .sexy-text.two-columns{flex-direction:row!important;flex-wrap:wrap;gap:2rem;padding:2rem;justify-content:space-between}.page-home .sexy-text.two-columns>div{flex:1;min-width:250px}.page-home .feature-card-row{display:flex;flex-wrap:nowrap;gap:4%;justify-content:space-between;align-items:stretch;max-width:1200px;margin:0 auto}@media (max-width: 768px){.page-home .hero-characters{font-size:28px}.page-home .hero-description{font-size:14px}.page-home .features-section{padding:0 12px}.page-home .features-grid{grid-template-columns:1fr}.page-home .feature-section-card{margin:24px 0}.page-home .primary-button,.page-home .secondary-button{font-size:14px;padding:10px 15px}.page-home .hero-actions{flex-direction:column;align-items:center}.page-home .hero-actions a{width:100%;text-align:center}.page-home .sexy-text{padding:16px 12px;font-size:14px}.page-home .sexy-text h2{font-size:18px;margin-bottom:10px}.page-home .sexy-text ul li{font-size:14px;margin-bottom:6px}.page-home .sexy-text.two-columns{flex-direction:column!important;gap:1rem;padding:16px 12px}.page-home .image-fade.fade-left,.page-home .image-fade.fade-right{top:auto;bottom:0;left:0!important;right:0!important;width:100%;height:60px;background:linear-gradient(to top,var(--secondary-color),transparent)}}.spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.spinner-container .spinner{border-radius:50%;animation:spin 1.2s linear infinite}.spinner-container .spinner.small{width:20px;height:20px}.spinner-container .spinner.medium{width:40px;height:40px}.spinner-container .spinner.large{width:60px;height:60px}.spinner-container .spinner.primary{border-top:3px solid color-mix(in srgb,var(--primary-color) 90%,transparent);border-right:3px solid color-mix(in srgb,var(--primary-color) 40%,transparent);border-bottom:3px solid color-mix(in srgb,var(--primary-color) 20%,transparent);border-left:3px solid color-mix(in srgb,var(--primary-color) 90%,transparent)}.spinner-container .spinner.white{border-top:3px solid color-mix(in srgb,var(--text-color) 90%,transparent);border-right:3px solid color-mix(in srgb,var(--text-color) 40%,transparent);border-bottom:3px solid color-mix(in srgb,var(--text-color) 20%,transparent);border-left:3px solid color-mix(in srgb,var(--text-color) 90%,transparent)}.spinner-container .spinner.thin{border-width:2px}.spinner-container .spinner.regular{border-width:3px}.spinner-container .spinner.thick{border-width:4px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner-container .spinner-text{margin-top:10px;color:var(--text-color);font-size:14px;text-align:center}@media (max-width: 768px){.spinner-container .spinner.large{width:50px;height:50px}.spinner-container .spinner-text{font-size:12px}}.typing-test .input-timer-container{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:16px}.typing-test .score-box{font-size:20px;font-weight:700;padding:5px 10px;background-color:var(--secondary-color);border-radius:5px;color:var(--text-color);width:100px;height:40px;display:flex;justify-content:center;align-items:center;margin:10px;gap:4px}.typing-test .correct-count{color:var(--success-color)}.typing-test .incorrect-count{color:var(--error-color)}.typing-test .separator{color:var(--text-color)}.typing-test .input{font-size:20px;width:100%;padding:5px 10px;border:2px solid var(--grey-deep);border-radius:8px;text-align:center;background-color:var(--secondary-color);color:var(--text-color);height:42px;box-sizing:border-box;margin:10px}.typing-test .input:focus{outline:none;border-color:var(--primary-color)}.typing-test .timer{font-size:20px;font-weight:700;padding:5px 10px;background-color:var(--secondary-color);border-radius:5px;color:var(--text-color);width:100px;height:40px;display:flex;justify-content:center;align-items:center;text-overflow:ellipsis;overflow:hidden;margin:10px}.typing-test .lines-container{width:100%;max-width:800px;border:none;padding:10px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;background-color:var(--background-color);box-sizing:border-box;position:relative}.typing-test .word-line{display:flex;flex-wrap:wrap;justify-content:space-between;width:100%;gap:6px}.typing-test .word-line.last-line-absolute{justify-content:flex-start;column-gap:10px}.typing-test .word{font-size:24px;background-color:var(--word-bg-color);transition:background-color .3s,color .3s;color:var(--text-color);border-radius:4px;padding:4px 8px;white-space:nowrap}.typing-test .correct{border-color:var(--success-color);background-color:var(--success-color);font-weight:700}.typing-test .incorrect{border-color:var(--error-color);background-color:var(--error-bg-color-strong);font-weight:700}.typing-test .current-word{border-color:var(--focus-color);background-color:var(--focus-bg-color);color:var(--text-color)}.typing-test .popup-overlay{position:absolute;top:0;left:0;width:100%;height:100%;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;justify-content:center;align-items:center;z-index:2;border-radius:.5rem;animation:fadeIn .4s ease-out forwards;opacity:0}.typing-test .popup-content{background:var(--secondary-color);padding:20px;border-radius:1rem;text-align:center;box-shadow:0 0 15px var(--popup-shadow-color);animation:scaleIn .3s ease-out forwards;transform:scale(.95);opacity:0}@keyframes fadeIn{to{opacity:1}}@keyframes scaleIn{to{transform:scale(1);opacity:1}}.typing-test .popup-content p{font-size:1rem}@media (max-width: 768px){.typing-test .input-timer-container{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;width:100%;margin-top:16px}.typing-test .score-box,.typing-test .timer{flex:0 0 auto;width:50px;height:40px;font-size:.9rem;display:flex;align-items:center;justify-content:center;white-space:nowrap}.typing-test .input{flex:1;min-width:0;font-size:1rem;height:40px;margin:0;text-align:center;box-sizing:border-box}.typing-test .lines-container{padding:8px;max-height:250px}.typing-test .word{font-size:1rem;padding:4px 6px;border-radius:4px}.typing-test .popup-content{width:90%;padding:16px;font-size:.95rem}}.component-hsklevelselector .levels{display:flex;justify-content:center;flex-wrap:wrap;gap:5px}.component-hsklevelselector .level{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;margin:6px;border:2px solid var(--grey-deep);border-radius:6px;cursor:pointer;background-color:var(--secondary-color);color:var(--text-color);font-weight:500;-webkit-user-select:none;user-select:none;transition:all .2s ease}.component-hsklevelselector .level:hover{background-color:var(--grey-deep);border-color:var(--primary-color)}.component-hsklevelselector .level.active{background-color:var(--primary-color);color:var(--white);border-color:var(--primary-color);font-weight:700}@media (max-width: 768px){.component-hsklevelselector .levels{gap:4px;margin-top:12px}.component-hsklevelselector .level{padding:6px 10px;font-size:14px;margin:4px}}.page-typing{width:100%;max-width:800px;padding:20px;text-align:center;margin:70px auto 0;min-height:calc(100vh - 363px)}.page-typing h1{font-size:2rem;margin-bottom:10px}.page-typing h2{font-size:1.25rem;color:var(--text-light-color);margin-bottom:12px}.page-typing #mode-selector{margin:20px 0}.page-typing #mode-selector{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.page-typing #mode-selector .options{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.page-typing #mode-selector .mode-option{display:flex;align-items:center;gap:10px}.page-typing #mode-selector label{display:flex;align-items:center;font-size:var(--font-size);margin-right:10px}.page-typing #mode-selector input[type=radio],.page-typing #mode-selector select{margin-top:0;margin-bottom:0;vertical-align:middle}.page-typing .error-message{color:var(--error-text-color);background-color:var(--error-bg-color);border:1px solid var(--error-border-color);padding:12px;border-radius:6px;text-align:center;margin:16px 10px 10px}@media (max-width: 768px){.page-typing{padding:16px;margin:40px auto 0}.page-typing h1{font-size:1.5rem;margin-bottom:8px}.page-typing h2{font-size:1rem;margin-bottom:10px}.page-typing #mode-selector .options{display:flex;flex-direction:column;gap:12px;align-items:center}.page-typing #mode-selector .mode-option{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:400px;padding:0 8px;gap:50px}.page-typing #mode-selector .mode-option label{display:flex;align-items:center;gap:6px;font-size:var(--font-size);white-space:nowrap;margin:0}.page-typing #mode-selector .mode-option select{min-width:70px;max-width:100px;text-align-last:center;padding:4px 6px;font-size:14px}.page-typing button{font-size:16px;padding:10px 20px;margin-top:12px}}.component-hskpaginatedtable .simplified-character a{text-decoration:none;color:inherit;font-size:42px;text-align:center;font-family:"Noto Serif SC",serif}.component-hskpaginatedtable .char-wrapper{position:relative}.component-hskpaginatedtable .radical-badge{position:absolute;top:-6px;left:-6px;background-color:var(--snippet-bg);color:var(--text-light-color);font-size:12px;padding:2px 6px;border-radius:4px;font-family:Noto Sans SC,sans-serif;border:1px solid var(--grey-medium)}.component-hskpaginatedtable .pinyin-clickable{cursor:pointer;color:inherit;text-decoration:none;transition:color .2s ease}.component-hskpaginatedtable .pinyin-clickable:hover{text-decoration:underline;color:var(--primary-color)}.component-hskpaginatedtable table{max-width:1200px;width:100%;margin:20px auto 0;border-collapse:collapse}.component-hskpaginatedtable th,.component-hskpaginatedtable td{padding:10px;text-align:center;border:1px solid var(--grey-medium-dark)}.component-hskpaginatedtable th{background-color:var(--word-bg-color);color:var(--white)}.component-hskpaginatedtable.characters-table th:nth-child(1),.component-hskpaginatedtable.characters-table td:nth-child(1){width:10%}.component-hskpaginatedtable.characters-table th:nth-child(2),.component-hskpaginatedtable.characters-table td:nth-child(2){width:10%}.component-hskpaginatedtable.characters-table th:nth-child(3),.component-hskpaginatedtable.characters-table td:nth-child(3){width:80%}.component-hskpaginatedtable.vocab-table th:nth-child(1),.component-hskpaginatedtable.vocab-table td:nth-child(1){width:18%}.component-hskpaginatedtable.vocab-table th:nth-child(2),.component-hskpaginatedtable.vocab-table td:nth-child(2){width:18%}.component-hskpaginatedtable.vocab-table th:nth-child(3),.component-hskpaginatedtable.vocab-table td:nth-child(3){width:64%}.component-hskpaginatedtable td{background-color:var(--secondary-color);color:var(--text-color)}.component-hskpaginatedtable tr:hover{background-color:var(--grey-medium-dark)}.component-hskpaginatedtable td strong{color:var(--primary-color)}.component-hskpaginatedtable td em{color:var(--text-light-color)}.component-hskpaginatedtable .table-wrapper{position:relative}.component-hskpaginatedtable .spinner-overlay{position:absolute;inset:0;width:100%;height:100%;background:#1e1e1e99;display:flex;align-items:center;justify-content:center;z-index:10;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.component-hskpaginatedtable .pagination{margin-top:1rem;display:flex;justify-content:center;align-items:center;gap:1rem}.component-hskpaginatedtable .pagination button{background-color:var(--secondary-color);border:2px solid var(--grey-medium-dark);color:var(--text-color);font-weight:500;padding:6px 14px;border-radius:6px;cursor:pointer;transition:all .2s ease;-webkit-user-select:none;user-select:none;margin:0 auto}.component-hskpaginatedtable .pagination button:hover:not(:disabled){background-color:var(--grey-deep);border-color:var(--primary-color);color:var(--white)}.component-hskpaginatedtable .pagination button:disabled{opacity:.4;cursor:not-allowed;border-color:var(--grey-medium-dark)}.component-hskpaginatedtable .pagination span{display:flex;align-items:center;gap:.25rem}.component-hskpaginatedtable .pagination input{padding:2px 6px;font-size:1rem;border-radius:4px;width:3rem;text-align:center;margin:0}.component-hskpaginatedtable .pagination input[type=text]:focus{outline:none;background-color:var(--input-focus-bg);color:var(--white);border:2px solid var(--primary-color)}@media (max-width: 768px){.component-hskpaginatedtable .radical-badge{font-size:9px;padding:1px 4px;top:-4px;left:-4px}.component-hskpaginatedtable .simplified-character a{font-size:32px}.component-hskpaginatedtable{padding:0 10px}.component-hskpaginatedtable table{display:table;overflow-x:visible;white-space:normal;table-layout:fixed}.component-hskpaginatedtable th,.component-hskpaginatedtable td{padding:8px 6px;font-size:14px;word-wrap:break-word;overflow-wrap:break-word}.component-hskpaginatedtable th{font-size:15px}.component-hskpaginatedtable.characters-table th:nth-child(1),.component-hskpaginatedtable.characters-table td:nth-child(1){width:90px}.component-hskpaginatedtable.characters-table th:nth-child(2),.component-hskpaginatedtable.characters-table td:nth-child(2){width:85px}.component-hskpaginatedtable.characters-table th:nth-child(3),.component-hskpaginatedtable.characters-table td:nth-child(3){width:auto}.component-hskpaginatedtable.vocab-table th:nth-child(1),.component-hskpaginatedtable.vocab-table td:nth-child(1){width:30%}.component-hskpaginatedtable.vocab-table th:nth-child(2),.component-hskpaginatedtable.vocab-table td:nth-child(2){width:30%}.component-hskpaginatedtable.vocab-table th:nth-child(3),.component-hskpaginatedtable.vocab-table td:nth-child(3){width:auto}.component-hskpaginatedtable .pagination{flex-wrap:nowrap;gap:.5rem;padding:0 10px}.component-hskpaginatedtable .pagination button,.component-hskpaginatedtable .pagination input{font-size:14px;padding:6px 10px}.component-hskpaginatedtable .pagination input{width:2.5rem;min-width:2.5rem}.component-hskpaginatedtable .pagination span{flex-shrink:0}}.page-characters{width:100%;max-width:1200px;padding:20px;text-align:center;margin:0 auto;min-height:calc(100vh - 293px);display:flex;flex-direction:column}@media (max-width: 768px){.page-characters{padding:15px 10px;max-width:100%}}.page-vocabulary{width:100%;max-width:1200px;padding:20px;text-align:center;margin:0 auto;min-height:calc(100vh - 293px)}@media (max-width: 768px){.page-vocabulary{padding:15px 10px;max-width:100%}}.component-quickhskquiz{display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:1rem}.component-quickhskquiz .word-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px;max-width:800px;width:100%}.component-quickhskquiz .word-button{display:flex;align-items:center;justify-content:center;height:44px;border:2px solid var(--grey-deep);border-radius:6px;cursor:pointer;background-color:var(--secondary-color);color:var(--text-color);font-weight:500;-webkit-user-select:none;user-select:none;transition:all .2s ease;padding:0 10px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.component-quickhskquiz .word-button:hover{background-color:var(--grey-deep);border-color:var(--primary-color)}.component-quickhskquiz .word-button.selected{background-color:var(--primary-color);color:var(--white);border-color:var(--primary-color);font-weight:700}.component-quickhskquiz .submit-button{padding:10px 18px;background-color:var(--primary-color);color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:background-color .2s ease;font-size:18px;margin-top:0}.component-quickhskquiz .submit-button:hover{background-color:var(--primary-color-dark, #1a4c8b)}.component-quickhskquiz .result-box{max-width:600px;margin:0 auto;width:100%}.component-quickhskquiz .estimated-level{margin-top:1rem;font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--text-color)}.component-quickhskquiz .estimated-level-badge{background-color:var(--primary-color);color:var(--white);padding:10px 16px;border-radius:8px;font-size:18px;-webkit-user-select:none;user-select:none}.component-quickhskquiz .hsk-popup-overlay{position:fixed;inset:0;background:#0009;z-index:999;display:flex;align-items:center;justify-content:center}.component-quickhskquiz .hsk-popup-overlay:before{content:"";position:fixed;inset:0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:-1}.component-quickhskquiz .popup-header{display:flex;justify-content:center;align-items:center;position:relative;width:100%}.component-quickhskquiz .popup-close-button{background:transparent;color:var(--text-color);padding:0;margin:0;height:auto;width:auto;position:absolute;right:0}.component-quickhskquiz .hsk-popup{background:var(--bg-color);border-radius:12px;padding:24px;width:900px;max-width:90vw;max-height:90vh;overflow:auto;box-shadow:0 0 20px #0000004d;animation:popup-splash .25s ease-out;transition:transform .2s ease,opacity .2s ease}@media (max-width: 768px){.component-quickhskquiz .hsk-popup{padding:16px;max-height:85vh}.component-quickhskquiz .popup-header{justify-content:left}}.component-hskprogressgrid .char-wall-container{display:flex;justify-content:center;align-items:center;overflow:hidden;margin:0 auto;max-width:90vw;width:100%;overflow-x:auto}.component-hskprogressgrid .grid-inner{display:grid;grid-template-columns:repeat(100,minmax(8px,1fr));gap:.2rem;position:relative}.component-hskprogressgrid .level-label{display:flex;justify-content:center;align-items:center;font-size:3.5vmin;white-space:nowrap;overflow:visible;text-overflow:clip;pointer-events:none;background-color:transparent;border:none;width:100%;height:100%;position:absolute;top:0;left:0;z-index:5}.component-hskprogressgrid .char-cell{aspect-ratio:1 / 1;min-width:8px;min-height:8px;background-color:var(--grey-deep);display:flex;justify-content:center;align-items:center}.component-hskprogressgrid .char-cell.known{background-color:var(--primary-color)}.component-hskprogressgrid .level-outline{display:flex;align-items:center;justify-content:center;font-weight:700;font-size:3.5vmin;color:#0000004d;-webkit-user-select:none;user-select:none;text-transform:uppercase;transition:background-color .2s ease;border:2px solid var(--border-color-alt);z-index:1;background-color:transparent;cursor:pointer}.component-hskprogressgrid .level-outline:hover{background-color:#00000026}.component-hskprogressgrid .popup-grid-container{display:flex;justify-content:center;margin-top:1em;width:100%;overflow-x:auto}.component-hskprogressgrid .hsk-popup-overlay{position:fixed;inset:0;background:#0009;z-index:999;display:flex;align-items:center;justify-content:center}.component-hskprogressgrid .hsk-popup-overlay:before{content:"";position:fixed;inset:0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:-1}@keyframes popup-splash{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.component-hskprogressgrid .hsk-popup{background:var(--bg-color);border-radius:12px;padding:24px;width:90vw;max-width:1200px;max-height:90vh;overflow:auto;box-shadow:0 0 20px #0000004d;animation:popup-splash .25s ease-out;transition:transform .2s ease,opacity .2s ease;scrollbar-width:none}.component-hskprogressgrid .popup-grid{display:grid;gap:6px;grid-template-columns:repeat(25,1fr)}.component-hskprogressgrid .popup-header{position:relative;text-align:center;margin-bottom:16px}.component-hskprogressgrid .popup-close-button{position:absolute;top:0;right:0;background:transparent;color:var(--text-color);margin-top:0;width:auto;height:auto}.component-hskprogressgrid .popup-grid .char-cell{border-radius:4px;overflow:hidden;display:flex;justify-content:center;align-items:center;text-align:center;line-height:1.1;width:100%}.component-hskprogressgrid .popup-grid .char-cell.length-1{font-size:22px}.component-hskprogressgrid .popup-grid .char-cell.length-2{font-size:18px}.component-hskprogressgrid .popup-grid .char-cell.length-3,.component-hskprogressgrid .popup-grid .char-cell.length-5,.component-hskprogressgrid .popup-grid .char-cell.length-6{font-size:12px}.component-hskprogressgrid .popup-grid .char-cell.length-4{font-size:16px}.component-hskprogressgrid .popup-grid .char-cell.known{color:#fff}@media (max-width: 768px){.component-hskprogressgrid .grid-inner{display:flex;flex-direction:column;gap:16px;padding:8px}.component-hskprogressgrid .hsk-level-block{width:100%;max-width:100vw;margin:0 auto 16px}.component-hskprogressgrid .hsk-level-label{font-weight:700;margin-bottom:4px;text-align:center}.component-hskprogressgrid .hsk-level-grid{display:grid;grid-template-columns:repeat(36,1fr);gap:3px;width:100%}.component-hskprogressgrid .char-cell{min-width:6px;min-height:6px;aspect-ratio:1 / 1}.component-hskprogressgrid .level-outline,.component-hskprogressgrid .level-label{display:none!important}.component-hskprogressgrid .hsk-popup{max-width:350px;padding:16px;overflow:auto;border-radius:8px}.component-hskprogressgrid .hsk-popup-overlay{padding-top:64px}.component-hskprogressgrid .popup-header{margin-bottom:12px}.component-hskprogressgrid .popup-header h2{font-size:1.25rem;text-align:center}.component-hskprogressgrid .popup-grid-container{overflow-x:auto;width:100%;justify-content:center;padding:4px}.component-hskprogressgrid .popup-grid{grid-template-columns:repeat(7,1fr)}.component-hskprogressgrid .popup-grid .char-cell.length-1{font-size:18px}.component-hskprogressgrid .popup-grid .char-cell.length-2{font-size:16px}}.page-progress{min-height:calc(100vh - 305px);margin-top:24px}.page-progress p{text-align:center}.page-progress .quiz{margin-bottom:2rem;display:flex;justify-content:center}.page-progress .estimated-level-badge{background-color:var(--primary-color);color:var(--white);padding:10px 16px;border-radius:8px;-webkit-user-select:none;user-select:none;font-size:18px;font-weight:600}.page-progress .current-level-display{text-align:center;font-size:1.1rem;margin-bottom:24px;align-items:center;justify-content:center;gap:.5rem}.page-progress .hsk-quiz-button{width:auto;margin:0;display:inline-block}.page-progress .hsk-quiz-button:hover{background-color:var(--hover-color)}.page-progress .hsk-progress-bars{width:100%;padding:0 1rem;display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:24px}.page-progress .hsk-progress-bars .progress-bar-container{width:100%;max-width:500px}.page-progress .hsk-progress-bars .progress-bar{width:100%;height:24px;background-color:#e5e7eb;border-radius:6px;overflow:hidden;position:relative}.page-progress .hsk-progress-bars .progress-fill{height:100%;background-color:#22c55e;transition:width .3s ease-in-out}.page-progress .hsk-progress-bars .progress-label{position:absolute;top:0;left:0;height:100%;width:100%;display:flex;align-items:center;justify-content:center;font-weight:600;color:#000;font-size:.875rem;pointer-events:none}@media (max-width: 768px){.page-progress .current-level-display{font-size:1rem;gap:.3rem;justify-content:center}.page-progress .hsk-quiz-button{font-size:.9rem;padding:8px 16px;width:100%;max-width:280px;margin-top:8px}.page-progress .hsk-progress-bars{gap:12px}.page-progress .hsk-progress-bars .progress-bar{height:20px}.page-progress .hsk-progress-bars .progress-fill{font-size:.8rem}.page-progress .hsk-progress-bars .progress-bar-container{gap:8px;max-width:320px}}.component-snippetlist{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1rem}.component-snippetlist .char-snippet{position:relative;display:flex;flex-direction:column;align-items:center;text-decoration:none;color:inherit;background:var(--snippet-bg);border:1px solid var(--grey-deep);border-radius:.5rem;padding:.75rem;width:200px;transition:background .2s,transform .2s}.component-snippetlist .char-snippet:hover{background:var(--grey-dark);transform:scale(1.05)}.component-snippetlist .char-hsk-badge{position:absolute;top:6px;right:6px;background-color:var(--primary-color);color:var(--white);font-size:.7rem;font-weight:700;padding:2px 6px;border-radius:6px}.component-snippetlist .char-snippet-char{margin-top:10px;font-size:2rem;color:var(--white);font-family:"Noto Serif SC",serif}.component-snippetlist .char-snippet-pinyin{font-size:1rem;color:var(--white)}.component-snippetlist .char-snippet-def{font-size:.8rem;text-align:center;color:var(--char-snippet-def-color);margin-top:4px;max-height:5.4rem;overflow:hidden;text-overflow:ellipsis;transition:max-height .3s ease}@media (max-width: 900px){.component-snippetlist{justify-content:center;gap:.8rem}.component-snippetlist .char-snippet{width:100%}}.page-search{width:100%;max-width:1200px;margin:0 auto;padding:20px;min-height:calc(100vh - 293px)}.page-search .search-bar{display:flex;justify-content:center;gap:10px;max-width:600px;width:100%;margin:0 auto 16px}.page-search #search-input{flex:1;height:40px;font-size:16px;padding:0 12px;border:1px solid var(--grey-medium-dark);background-color:var(--secondary-color);color:var(--text-color);box-sizing:border-box;margin:0;border-radius:5px;color:var(--white)}.page-search #search-button{flex:1;height:40px;max-width:180px;font-size:16px;padding:0 12px;border:none;box-sizing:border-box;margin:0;border-radius:5px;cursor:pointer}.page-search #search-button:hover{background-color:var(--hover-color);color:var(--white)}.page-search .error-message{color:var(--error-text-color);background-color:var(--error-bg-color);border:1px solid var(--error-border-color);padding:12px;border-radius:6px;text-align:center;max-width:800px;margin:10px auto}.page-search .search-snippet-row{display:flex;justify-content:space-between;gap:24px;margin-top:24px;flex-wrap:wrap}.page-search .search-snippet-half{flex:1;min-width:320px;background-color:var(--secondary-color);padding:16px;border-radius:8px;box-shadow:var(--box-shadow, 0 2px 6px rgba(0, 0, 0, .15))}.page-search .search-snippet-half h2{margin-bottom:12px;color:var(--white);font-size:1.2rem}@media (max-width: 768px){.page-search .search-bar{flex-direction:column;gap:10px;max-width:100%}.page-search #search-input,.page-search #search-button{width:100%;max-width:none;flex:none}}.page-about{max-width:1200px;margin:3rem auto 5rem;padding:0 30px;color:var(--text-light-color);line-height:1.7;text-align:center;min-height:calc(100vh - 381px)}.page-about h1,.page-about h2{color:var(--text-light-color);margin-bottom:1rem;font-weight:700}.page-about h1{font-size:2.8rem}.page-about h2{font-size:1.8rem;margin-top:2.5rem}.page-about p{font-size:1.1rem;background-color:#0000001a;padding:1rem 1.5rem;border-radius:10px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);box-shadow:0 2px 6px #0000000d,0 4px 12px #0000000a;margin-bottom:1.5rem;text-align:left}.page-about a{color:#3b82f6;text-decoration:underline;cursor:pointer}.page-about a:hover{color:#1a5fcc}.page-about ul{padding-left:1.2rem;list-style-type:disc;text-align:left;max-width:600px;margin:0 auto 2rem;font-size:1rem;line-height:1.5}.page-about ul li{margin-bottom:.8rem}@media (max-width: 768px){.page-about{padding:0 20px}.page-about>*{max-width:100%}.page-about h1{font-size:2.2rem}.page-about h2{font-size:1.5rem}.page-about p,.page-about ul li{font-size:1rem}}.component-detailstopbadges{display:flex;justify-content:space-between;width:100%}.char-hsk-tag,.char-frequency-tag{background-color:var(--primary-color);color:var(--white);font-size:18px;font-weight:700;padding:10px 16px;border-radius:8px}.char-frequency-tag{background-color:var(--grey-dark)}@media (max-width: 768px){.component-detailstopbadges .char-hsk-tag,.component-detailstopbadges .char-frequency-tag{font-size:16px;padding:6px 12px}}.component-hanziwriter .char-display-box{display:flex;justify-content:center;align-items:center;width:100%;cursor:pointer;position:relative}.component-hanziwriter .char-grid-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1;opacity:0;transition:opacity .4s ease-in-out}.component-hanziwriter .char-grid-overlay.visible{opacity:1}.component-hanzicontrols{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:1rem;margin:0 auto 12px}.component-hanzicontrols .segmented-toggle{position:relative;display:flex;border:2px solid var(--grey-dark);border-radius:12px;overflow:hidden;width:100px;height:40px;background-color:var(--grey-dark)}.component-hanzicontrols .segmented-toggle:before{content:"";position:absolute;top:0;left:0;width:50%;height:100%;background-color:var(--primary-color);transition:transform .3s ease;z-index:0;border-radius:12px;transform:translate(0)}.component-hanzicontrols .segmented-toggle.traditional-active:before{transform:translate(100%)}.component-hanzicontrols .toggle-option{flex:1;z-index:1;text-align:center;line-height:40px;font-weight:700;color:var(--white);cursor:pointer;transition:color .3s ease}.component-hanzicontrols .toggle-option.active{color:var(--white)}.component-hanzicontrols .practice-writing-btn{cursor:pointer;transition:background-color .3s;margin:0 auto;height:40px;color:var(--white)}.component-hanzicontrols .practice-writing-btn.active{background-color:var(--button-red)}@media (max-width: 900px){.component-hanzicontrols{width:300px;max-width:100%;padding:0 15px;box-sizing:border-box}.component-hanzicontrols .toggle-option{line-height:36px;font-size:.9rem}.component-hanzicontrols .practice-writing-btn{flex:1 1 auto;width:auto;max-width:none;height:40px;display:block;font-size:1.1rem;font-weight:600}}.component-definitionblock{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;text-decoration:none;color:inherit;background:var(--snippet-bg);border:1px solid var(--grey-deep);border-radius:.5rem;padding:.75rem;width:200px;overflow:hidden;transition:all .3s ease;align-self:center}.component-definitionblock:hover{background:var(--grey-dark);z-index:2}.component-definitionblock .char-snippet-header{display:flex;justify-content:space-between;align-items:center;font-size:1.1rem;margin-bottom:.5rem}.component-definitionblock .char-snippet-def{font-size:.8rem;text-align:center;color:var(--char-snippet-def-color);margin-top:4px;line-height:1.2rem;max-height:calc(1.2rem * 3);overflow:hidden;text-overflow:ellipsis;transition:max-height .3s ease}.component-definitionblock:hover .char-snippet-def{max-height:1000px}.component-definitionblock .char-snippet-pinyin{font-size:1rem;color:var(--white);cursor:pointer;text-decoration:none;transition:color .2s ease}.component-definitionblock .char-snippet-pinyin:hover{text-decoration:underline;color:var(--primary-color)}@media (max-width: 900px){.component-definitionblock .char-snippet-char{font-size:1.7rem;margin-top:8px}.component-definitionblock .char-snippet-pinyin{font-size:.9rem}.component-definitionblock .char-snippet-def{font-size:.75rem;margin-top:3px}.component-definitionblock{width:100%}}.component-sentencesnippet{list-style:none;padding:0;margin:0}.component-sentencesnippet .sentence-item{background:var(--snippet-bg);border:1px solid var(--grey-deep);border-radius:.5rem;padding:1rem;margin-bottom:1rem;color:var(--text-color);transition:background .2s ease;position:relative}.component-sentencesnippet .sentence-item:hover{background:var(--grey-dark)}.component-sentencesnippet .sentence-main{display:flex;justify-content:space-between;align-items:center;font-size:1.2rem;font-weight:500}.component-sentencesnippet .sentence-hsk-badge{background-color:var(--primary-color);color:var(--white);font-size:.7rem;font-weight:700;padding:2px 6px;border-radius:6px;position:absolute;top:6px;right:6px;margin-left:0}.component-sentencesnippet .sentence-chinese{font-family:"Noto Serif SC",serif;margin-top:10px}.component-sentencesnippet .sentence-pinyin{color:var(--pinyin-green);font-size:1rem;margin-bottom:.3rem}.component-sentencesnippet .sentence-english{color:var(--char-snippet-def-color);font-size:.95rem}.component-sentencesnippet .sentence-link{text-decoration:none;font-weight:700}.component-sentencesnippet .sentence-char-link,.component-sentencesnippet .sentence-vocab-link{color:inherit;text-decoration:none;font-weight:inherit;border-radius:4px;transition:background-color .15s ease-in-out}.component-sentencesnippet .sentence-char-link:hover,.component-sentencesnippet .sentence-vocab-link:hover{background-color:var(--hover-bg-subtle);cursor:pointer}@media (max-width: 900px){.component-sentencesnippet .sentence-main{font-size:1.3rem}.component-sentencesnippet .sentence-pinyin{font-size:.9rem;margin-bottom:.1rem}.component-sentencesnippet .sentence-english{font-size:.85rem}}.page-character-detail{padding:30px;max-width:900px;margin:0 auto;background-color:var(--bg-dark);border-radius:12px;box-shadow:0 0 10px 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ease}.page-character-detail .radical-badge:hover{background-color:var(--grey-dark)}.page-character-detail .stroke-badge{right:0}.char-main-container{position:relative;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;margin-bottom:12px}.char-left-panel,.char-right-panel{flex:1 1 45%;min-width:300px}.char-left-panel{display:flex;flex-direction:column;gap:1rem;align-items:flex-end}.page-character-detail .char-header{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;min-height:200px;padding:.75rem;flex:1 1 auto}.page-character-detail h2{font-size:28px;margin-bottom:12px;color:var(--title-blue)}.page-character-detail h3{font-size:24px;margin-top:20px;color:var(--title-green)}.page-character-detail .error-message{color:var(--error-color);font-size:18px;text-align:center;padding:15px;background-color:var(--error-bg);border-radius:8px}.page-character-detail .char-info{margin-bottom:20px}.page-character-detail .char-info 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.radical-badge,.page-character-detail .stroke-badge{top:0}.page-character-detail .radical-badge{left:0}.page-character-detail .stroke-badge{right:0}.page-character-detail h2{font-size:22px;margin-bottom:10px}.page-character-detail h3{font-size:20px;margin-top:16px}.page-character-detail .char-info li{font-size:16px}.page-character-detail .char-definition-container{gap:1rem;margin-bottom:1.5rem;min-height:0px;height:auto}.page-character-detail .char-sentences{margin-top:1.5rem}}.page-vocab-detail{padding:30px;max-width:900px;margin:0 auto;background-color:var(--bg-dark);border-radius:12px;box-shadow:0 0 10px var(--box-shadow-accent);color:var(--text-color);min-height:calc(100vh - 293px)}.page-vocab-detail .spinner-overlay{display:flex;align-items:center;justify-content:center}.page-vocab-detail h2{font-size:28px;margin-bottom:12px;color:var(--title-blue)}.page-vocab-detail .vocab-header{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;min-height:100px}.page-vocab-detail .vocab-main{display:flex;flex-direction:column;align-items:center}.page-vocab-detail .vocab-display{display:flex;justify-content:center}.page-vocab-detail .vocab-char-row{display:flex;justify-content:center;flex-wrap:wrap;width:100%}.page-vocab-detail .vocab-info{margin-top:20px}.page-vocab-detail .vocab-info ul{list-style-type:none;padding:0;display:flex;flex-direction:column;gap:12px;align-items:center}.page-vocab-detail .vocab-info li{font-size:18px}.page-vocab-detail .vocab-info li strong{color:var(--primary-color)}.page-vocab-detail.vocab-char-details{margin-top:2rem}.page-vocab-detail .section-title{font-size:24px;color:var(--title-blue);margin-bottom:16px;text-align:center}.page-vocab-detail .vocab-sentences{margin-top:2rem}.page-vocab-detail .error-message{color:var(--error-color);font-size:18px;text-align:center;padding:15px;background-color:var(--error-bg);border-radius:8px}.page-vocab-detail .vocab-definition-container{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap;margin-bottom:2rem}@media (max-width: 768px){.page-vocab-detail{padding:20px 15px;max-width:100%}.page-vocab-detail h2{font-size:22px}.page-vocab-detail .vocab-info ul{gap:8px}.page-character-detail .char-sentences{margin-top:1.5rem}}.page-notfound{padding:2rem;text-align:center;min-height:calc(100vh - 293px)}:root{--primary-color: #4caf50;--secondary-color: #333333;--footer: #2d2d2d;--background-color: #212121;--text-color: #e0e0e0;--text-light-color: #ccc;--white: #ffffff;--hover-color: #388e3c;--disabled-color: #b0b0b0;--side-panel-bg: rgba(30, 30, 30, .97);--font-size: 16px;--header-size: 70px;--error-text-color: #a00;--error-bg-color: #fee;--error-border-color: #e99;--success-color: #4CAF50;--error-color: #F44336;--error-bg-color-strong: 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#F44336;--error-bg-color-strong: #ffcdd2;--focus-color: #2196F3;--focus-bg-color: #e0e0e0;--word-bg-color: #f5f5f5;--popup-shadow-color: rgba(0, 0, 0, .1);--grey-medium-dark: #888;--grey-medium-light: #aaa;--border-color-alt: #ccc;--input-focus-bg: #f9f9f9;--char-snippet-def-color: #37474f;--bg-dark: #eeeeee;--box-shadow-accent: rgba(0, 150, 136, .1);--grey-dark: #999999;--grey-medium: #bbb;--grey-deep: #aaa;--button-red: #e57373;--title-blue: #1565c0;--title-green: #2e7d32;--error-bg: #ffebee;--snippet-bg: #f0f0f0;--pinyin-green: #689f38;--hover-bg-subtle: rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans,Noto Sans SC,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6;display:flex;justify-content:center;align-items:center;flex-direction:column;min-height:100vh}#root{width:100%;min-height:100vh}h1,h2,h3{font-family:Noto Sans,Noto Sans SC,sans-serif;font-weight:700;color:var(--white);text-align:center}h2{font-size:1.2rem;font-weight:400}button{font-size:var(--font-size);padding:10px 20px;background-color:var(--primary-color);color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease;width:180px;height:40px;display:flex;justify-content:center;align-items:center;margin:30px auto 0;font-weight:600}button span{display:flex;justify-content:center;align-items:center;width:100%}button:disabled{background-color:var(--disabled-color);cursor:not-allowed}button:hover{background-color:var(--hover-color)}select,input[type=text]{font-size:var(--font-size);padding:8px;margin-top:10px;border:1px solid var(--border-color);border-radius:5px;background-color:var(--secondary-color);color:var(--text-color)}input[type=radio]{accent-color:var(--primary-color);margin-right:6px;transform:scale(1.2)}label{margin-right:15px;cursor:pointer}@media (max-width: 768px){h1,h2{font-size:1.5rem}button{font-size:14px;padding:8px 16px;width:100%}select,input[type=text]{font-size:14px}}@media (max-width: 480px){h1,h2{font-size:1.2rem}button{font-size:12px;padding:6px 12px}select,input[type=text]{font-size:12px}}
