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#0000001f}.teaching-card-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;color:var(--primary-color)}.teaching-icon{font-size:2.5rem;min-width:40px;text-align:center}.teaching-title{font-size:1.8rem;font-weight:700;margin:0}.teaching-description{font-size:1rem;color:#555;margin-bottom:2rem;flex-grow:1}.teaching-link-btn{background-color:var(--secondary-color);color:var(--text-light);text-decoration:none;padding:.75rem 1.5rem;border-radius:50px;font-weight:700;transition:all .3s ease;align-self:flex-start;display:inline-flex;align-items:center;gap:.5rem}.teaching-link-btn:hover{background-color:#c1481a;transform:scale(1.05);box-shadow:0 5px 15px #ac3a104d}.teaching-link-btn .fa-arrow-right{transition:transform .3s ease}.teaching-link-btn:hover .fa-arrow-right{transform:translate(5px)}.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-top:3rem}.media-card{background-color:#fff;border-radius:12px;box-shadow:0 5px 20px 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scale(1.1)}.media-card-body{padding:1.25rem;flex-grow:1}.media-card-title{font-size:1.2rem;font-weight:700;color:var(--primary-color);margin:0 0 .5rem}.media-card-description{font-size:.95rem;color:#555;line-height:1.5}.media-player-modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000;padding:1rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.media-player-modal-content{position:relative;width:100%;max-width:960px;background-color:#000;border-radius:8px;box-shadow:0 10px 40px #00000080}.media-player-close-btn{position:absolute;top:-40px;right:0;background:transparent;border:none;color:#fff;font-size:2.5rem;font-weight:700;cursor:pointer;line-height:1;padding:0;transition:color .2s,transform 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var(--primary-color)}.tab-content{padding-top:2rem}.language-selector-container{display:flex;justify-content:center;margin-bottom:2rem}.language-selector-tabs{display:flex;flex-wrap:wrap;gap:.5rem;background-color:#fff;padding:.5rem;border-radius:12px;box-shadow:0 2px 8px #00000014;border:1px solid #e0e0e0}.language-tab{padding:.75rem 1.5rem;border:none;background-color:transparent;color:#555;font-family:Noto Sans TC,sans-serif;font-size:1.1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .3s ease}.language-tab:hover{background-color:#f0f0f0;color:var(--primary-color)}.language-tab.active{background-color:var(--primary-color);color:var(--text-light);box-shadow:0 2px 8px #00676340;transform:translateY(-2px)}.download-page-container .page-description strong{color:var(--secondary-color);font-weight:700}.download-credits{background-color:#fff;border-left:5px solid var(--primary-color);padding:1.5rem 2rem;margin:2rem auto;border-radius:8px;box-shadow:0 4px 15px #0000000f;max-width:900px}.credits-title{color:var(--primary-color);font-size:1.5rem;margin-bottom:1rem}.download-credits p{margin-bottom:.5rem;font-size:1rem;color:#444}.download-credits p strong{font-weight:700;color:#222;margin-right:.5em}.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-top:3rem}.download-card{background-color:#fff;border-radius:12px;box-shadow:0 5px 20px var(--shadow-color);border:1px solid #e8e8e8;display:flex;flex-direction:column;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.download-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px #0000001f}.download-card-header{background-color:#f7f9fa;padding:1rem 1.5rem;border-bottom:1px solid #e8e8e8}.download-item-title{font-size:1.3rem;font-weight:700;color:var(--primary-color);margin:0 0 .25rem}.download-item-producer{font-size:.9rem;color:#666;margin:0}.download-links{padding:1.5rem;display:flex;flex-wrap:wrap;gap:1rem;flex-grow:1;align-content:flex-start}.download-btn{display:inline-flex;align-items:center;gap:.75rem;padding:.6rem 1.2rem;border-radius:8px;text-decoration:none;font-weight:600;font-size:.95rem;color:#fff;border:none;cursor:pointer;transition:all .2s ease-in-out;box-shadow:0 2px 5px #0000001a}.download-btn:hover{transform:translateY(-2px);box-shadow:0 4px 10px #00000026}.download-btn-word{background-color:#2b579a}.download-btn-word:hover{background-color:#1e3f72}.download-btn-excel{background-color:#1d6f42}.download-btn-excel:hover{background-color:#145230}.download-btn-pdf{background-color:#d93025}.download-btn-pdf:hover{background-color:#b0261c}.correction-link-container{margin-top:4rem;text-align:center;padding:2rem;background-color:#fff8e1;border-radius:12px;border:1px solid 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.5rem}.footer-maintenance{text-align:center;font-size:1rem;color:var(--text-light);margin-top:.2rem;margin-bottom:0;padding:0;line-height:1.2}.footer-maintenance-text{font-weight:400;display:inline-block;margin-right:1rem}.footer-maintenance strong{font-weight:600;font-size:1.1rem}.footer-maintenance-text,.footer-maintenance strong{color:#e0e0e0b3}.footer-logo-khierc{height:42px;-o-object-fit:contain;object-fit:contain;margin-top:10px;margin-bottom:10px;border-radius:10px}.footer-logo{height:37px;-o-object-fit:contain;object-fit:contain;margin-top:10px;margin-bottom:10px;border-radius:10px}.quiz-page-container .page-description{margin-bottom:3rem}.quiz-controls{display:flex;flex-direction:column;align-items:center;gap:1.5rem;margin-bottom:2.5rem}.quiz-type-selector{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}.quiz-btn{background-color:#fff;color:var(--primary-color);border:2px solid var(--primary-color);padding:.75rem 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linear infinite;margin-bottom:1rem}.loader-container p{color:var(--primary-color);font-size:1.2rem;font-weight:600}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.app-header{flex-direction:column;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center;gap:.5rem 1rem}.hero-text h2{font-size:2.2rem}.hero-text p{font-size:1.1rem}.carousel-btn{font-size:2rem;width:40px;height:40px;left:1rem}.carousel-btn.next{right:1rem}.download-grid{grid-template-columns:1fr}.quiz-iframe-container{height:65vh}}.hover\:-translate-y-2:hover{--tw-translate-y: -.5rem;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:scale-105:hover{--tw-scale-x: 1.05;--tw-scale-y: 1.05;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:bg-black\/40:hover{background-color:#0006}.hover\:bg-gray-100:hover{--tw-bg-opacity: 1;background-color:rgb(243 244 246 / var(--tw-bg-opacity, 1))}.hover\:bg-white\/20:hover{background-color:#fff3}.hover\:shadow-2xl:hover{--tw-shadow: 0 25px 50px -12px rgb(0 0 0 / .25);--tw-shadow-colored: 0 25px 50px -12px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.disabled\:opacity-40:disabled{opacity:.4}.group:hover .group-hover\:scale-110{--tw-scale-x: 1.1;--tw-scale-y: 1.1;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}@media (min-width: 640px){.sm\:block{display:block}}@media (min-width: 768px){.md\:block{display:block}.md\:h-72{height:18rem}.md\:translate-x-0{--tw-translate-x: 0px;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:justify-between{justify-content:space-between}.md\:px-4{padding-left:1rem;padding-right:1rem}.md\:px-8{padding-left:2rem;padding-right:2rem}.md\:py-10{padding-top:2.5rem;padding-bottom:2.5rem}.md\:py-16{padding-top:4rem;padding-bottom:4rem}.md\:text-2xl{font-size:1.5rem;line-height:2rem}.md\:text-3xl{font-size:1.875rem;line-height:2.25rem}.md\:text-7xl{font-size:4.5rem;line-height:1}}@media (min-width: 1024px){.lg\:h-\[32rem\]{height:32rem}.lg\:gap-8{gap:2rem}}.line-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.line-modal-content{background:#fff;padding:2rem;border-radius:12px;text-align:center;position:relative;max-width:320px;width:90%;box-shadow:0 5px 15px #0000004d}.line-modal-close{position:absolute;top:10px;right:15px;background:none;border:none;font-size:2rem;color:#aaa;cursor:pointer;line-height:1}.line-modal-close:hover{color:#333}.line-modal-content h3{margin-top:0;margin-bottom:1rem;color:#333;font-size:1.2rem}.line-modal-qr{display:block;margin:0 auto 1.5rem;max-width:200px;border:1px solid #eee;border-radius:4px}.line-modal-buttons{display:flex;flex-direction:column;gap:.75rem}.line-modal-btn{display:block;width:100%;padding:.75rem;border-radius:8px;border:none;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;transition:background-color .2s}.line-modal-btn.join{background-color:#00b900;color:#fff}.line-modal-btn.join:hover{background-color:#009d00}.line-modal-btn.copy{background-color:#f0f0f0;color:#333;border:1px solid #ddd}.line-modal-btn.copy:hover{background-color:#e0e0e0}