:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,PingFang TC,Microsoft JhengHei,sans-serif;line-height:1.6;font-weight:400;--primary-color: #008F8C;--secondary-color: #015958;--accent-color: #0CABA8;--text-primary: #023535;--text-secondary: #015958;--text-light: #ffffff;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-accent: #0FC2C0;--border-color: #0CABA8;--success-color: #008F8C;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);color-scheme:light;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;background-color:var(--bg-primary)}#app{background-size:cover;background-position:center;background-repeat:no-repeat;background-attachment:fixed;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 1rem}h1,h2,h3,h4,h5,h6{color:var(--text-primary);line-height:1.2;margin-bottom:.5rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{color:var(--text-secondary);margin-bottom:1rem}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:.5rem;border:none;font-size:1rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .2s ease;text-decoration:none;text-align:center}.btn-primary{background-color:var(--primary-color);color:var(--text-light)}.btn-primary:hover{background-color:var(--secondary-color);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:transparent;color:var(--text-light);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:var(--text-light)}.header{position:fixed;top:0;left:0;right:0;background-color:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);z-index:1000}.nav{padding:1rem 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{display:flex;align-items:center;gap:.75rem;cursor:pointer}.brand-icon{width:40px;height:40px;object-fit:contain}.nav-brand .logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin:0}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{color:var(--text-primary);text-decoration:none;font-weight:500;transition:color .2s ease}.nav-menu a:hover{color:var(--primary-color)}.lang-switch{margin-left:1rem}.lang-btn{background:var(--primary-color);color:var(--text-light);border:none;padding:.5rem 1rem;border-radius:.25rem;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease}.lang-btn:hover{background:var(--secondary-color);transform:translateY(-1px)}.menu-toggle{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:.5rem}.menu-toggle span{width:24px;height:3px;background-color:var(--text-primary);margin:3px 0;transition:.3s}.hero{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:6rem 1rem 2rem;position:relative}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff0,#fffc);z-index:0}.hero>*{position:relative;z-index:1}.hero-container{display:grid;grid-template-columns:1fr 1fr;align-items:center;max-width:1200px;gap:4rem}.hero-left{display:flex;flex-direction:column;align-items:center;text-align:center;gap:2rem}.hero-right{display:flex;align-items:center}.hero-logo-container{width:200px;height:200px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);border:3px solid var(--primary-color);padding:0}.hero-logo{width:100%;height:100%;object-fit:cover;border-radius:50%}.hero-content{max-width:600px}.hero-title{font-size:3rem;font-weight:700;color:var(--text-light);margin-bottom:1rem}.hero-subtitle{font-size:1.25rem;color:var(--text-light);margin-bottom:2rem}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.hero-features{display:flex;flex-direction:column;gap:2rem;width:100%;padding:2rem}.hero-feature{display:flex;align-items:flex-start;gap:1rem;padding:0;background:transparent;border-radius:0;box-shadow:none;border:none;transition:all .3s ease}.hero-feature:hover{transform:translate(5px)}.hero-feature .feature-icon{font-size:2rem;flex-shrink:0}.hero-feature .feature-text h4{color:var(--text-primary);margin-bottom:.5rem;font-size:1.1rem;font-weight:600}.hero-feature .feature-text p{color:var(--text-secondary);font-size:1.25rem;line-height:1.5;margin:0}.hero-image{flex:1;display:flex;justify-content:center;align-items:center}section{padding:4rem 0}section:not(.hero){background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.section-header{text-align:center;margin-bottom:3rem}.section-header h2{font-size:2.5rem;margin-bottom:1rem}.section-header p{font-size:1.2rem;max-width:600px;margin:0 auto}.about-content{max-width:800px;margin:0 auto;text-align:center}.about-text h3{margin-bottom:1rem;color:var(--primary-color)}.stats{display:flex;gap:2rem;margin-top:2rem}.stat{text-align:center}.stat h4{font-size:2rem;color:var(--primary-color);margin-bottom:.5rem}.about-image{display:flex;justify-content:center}.youtube-profile{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;background:var(--bg-primary);border-radius:1rem;box-shadow:var(--shadow-lg);border:2px solid var(--border-color)}.channel-profile-img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid var(--primary-color);box-shadow:var(--shadow-md)}.channel-info{text-align:center}.channel-info h4{color:var(--text-primary);margin-bottom:.5rem;font-size:1.2rem}.channel-stats{color:var(--text-secondary);font-size:.9rem;font-weight:500}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:3rem;max-width:1000px;margin:0 auto}.service-card{background-color:var(--bg-primary);padding:3rem;border-radius:1rem;text-align:center;box-shadow:var(--shadow-md);transition:transform .2s ease}.service-card:hover{transform:translateY(-4px)}.service-icon{font-size:3rem;margin-bottom:1rem}.service-card h3{margin-bottom:1rem;color:var(--primary-color)}.service-button{margin-top:1.5rem;display:inline-block}.service-card.clickable{cursor:pointer}.service-card.clickable:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.youtube-highlight{margin-top:4rem;padding:3rem;background:linear-gradient(135deg,red,#c00);border-radius:1rem;text-align:center;color:#fff}.youtube-content h3{color:#fff;font-size:2rem;margin-bottom:1rem}.youtube-content p{color:#ffffffe6;font-size:1.2rem;margin-bottom:2rem}.btn-youtube{background-color:#fff;color:red;font-weight:600;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;transition:all .3s ease}.btn-youtube:hover{background-color:#f0f0f0;transform:translateY(-2px);box-shadow:0 8px 25px #0003}.youtube-icon{font-size:1.2rem}.courses{padding:6rem 0;background-color:var(--bg-secondary)}.courses-content{max-width:800px;margin:0 auto;text-align:center}.courses-description{background-color:var(--bg-primary);padding:3rem;border-radius:1rem;box-shadow:var(--shadow-md);margin-bottom:2rem}.course-icon{font-size:4rem;margin-bottom:1.5rem}.courses-description h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.8rem}.courses-description p{color:var(--text-secondary);font-size:1.1rem;line-height:1.8}.coming-soon{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:2.5rem;border-radius:1rem;box-shadow:var(--shadow-lg)}.coming-soon-icon{font-size:3rem;margin-bottom:1rem}.coming-soon h4{font-size:1.5rem;margin-bottom:.5rem}.coming-soon p{color:#ffffffe6;font-size:1rem}.trends{padding:6rem 0;background-color:var(--bg-primary)}.trends-content{max-width:800px;margin:0 auto}.trends-description{text-align:center;margin-bottom:3rem}.trends-description p{color:var(--text-secondary);font-size:1.1rem;line-height:1.8}.trends-data{background-color:var(--bg-secondary);border-radius:1rem;padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow-md)}.trends-loading{text-align:center;padding:3rem}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.trends-error{text-align:center;padding:3rem}.error-icon{font-size:3rem;margin-bottom:1rem}.retry-btn{margin-top:1rem}.trends-list{max-width:600px;margin:0 auto}.trends-header{display:grid;grid-template-columns:80px 1fr 100px;gap:1.5rem;padding:1rem 1.5rem;background-color:var(--primary-color);color:var(--text-light);font-weight:600;border-radius:.5rem .5rem 0 0}.trend-item{display:grid;grid-template-columns:80px 1fr 100px;gap:1.5rem;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);transition:background-color .2s ease;align-items:center}.trend-item:hover{background-color:#0caba80d}.trend-item:last-child{border-bottom:none;border-radius:0 0 .5rem .5rem}.trend-rank{font-weight:700;color:var(--primary-color);text-align:center;font-size:1.1rem}.trend-keyword{color:var(--text-primary);font-weight:500}.trend-header{text-align:center}.trend-indicator{display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700}.trend-arrow{font-size:1.4rem;font-weight:900}.trend-up{color:#2563eb}.trend-down{color:#dc2626}.trend-line{color:#1f2937;font-size:1.6rem;font-weight:900;line-height:1}.trends-no-data{text-align:center;padding:3rem;color:var(--text-secondary)}.no-data-icon{font-size:3rem;margin-bottom:1rem}.data-source{text-align:center;margin-top:1rem}.data-source small{color:var(--text-secondary);font-size:.9rem;font-style:italic}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}.contact-info{display:flex;flex-direction:column;gap:2rem}.contact-text{display:flex;align-items:center;justify-content:center;text-align:center;padding:2rem}.contact-text p{font-size:1.1rem;line-height:1.6;color:var(--text-secondary);margin:0}.contact-item{display:flex;align-items:flex-start;gap:1rem}.contact-icon{font-size:1.5rem;background-color:var(--primary-color);color:var(--text-light);width:3rem;height:3rem;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-item h4{margin-bottom:.5rem;color:var(--primary-color)}.email-link{color:var(--primary-color);text-decoration:none;transition:color .2s ease}.email-link:hover{color:var(--accent-color);text-decoration:underline}.contact-form{background-color:var(--bg-primary);padding:2rem;border-radius:1rem;box-shadow:var(--shadow-md)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:2px solid var(--border-color);border-radius:.5rem;font-family:inherit;font-size:1rem;transition:border-color .2s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.footer{background-color:var(--text-primary);color:var(--text-light);padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:1fr 2fr;gap:3rem;margin-bottom:2rem}.footer-brand h3{color:var(--text-light);margin-bottom:1rem}.footer-brand p{color:#9ca3af}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.footer-section h4{color:var(--text-light);margin-bottom:1rem}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:#9ca3af;text-decoration:none;transition:color .2s ease}.footer-section ul li a:hover{color:var(--accent-color)}.footer-bottom{border-top:1px solid #374151;padding-top:1rem;text-align:center;color:#9ca3af}@media (max-width: 768px){.nav-brand{gap:.5rem}.brand-icon{width:32px;height:32px}.nav-brand .logo{font-size:1.2rem}.menu-toggle{display:flex}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:var(--bg-primary);width:100%;text-align:center;transition:.3s;box-shadow:var(--shadow-md);padding:2rem 0}.nav-menu.active{left:0}.lang-switch{margin-left:0;margin-top:1rem}.menu-toggle.active span:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}.hero{padding:8rem 1rem 4rem}.hero:before{background:linear-gradient(180deg,#fff0,#fffc)}.hero-container{grid-template-columns:1fr;gap:2rem}.hero-title{font-size:2rem}.hero-icon{font-size:5rem}.hero-features{gap:1.5rem}.hero-feature{padding:1.25rem}.hero-feature .feature-text h4{font-size:1rem}.hero-feature .feature-text p{font-size:.85rem}.services-grid{grid-template-columns:1fr;gap:2rem}.service-card{padding:2rem}.contact-content{grid-template-columns:1fr;gap:2rem}.contact-text{text-align:left;padding:1rem 0}.footer-content{grid-template-columns:1fr;gap:2rem;text-align:center}.footer-links{grid-template-columns:1fr}.youtube-highlight{margin-top:2rem;padding:2rem 1rem}.youtube-content h3{font-size:1.5rem}.youtube-content p{font-size:1rem}.courses{padding:4rem 0}.courses-description,.coming-soon{padding:2rem 1.5rem;margin-bottom:1.5rem}.course-icon{font-size:3rem}.courses-description h3{font-size:1.5rem}.courses-description p{font-size:1rem}.coming-soon h4{font-size:1.3rem}.trends{padding:4rem 0}.trends-data{padding:1.5rem}.trends-header,.trend-item{grid-template-columns:60px 1fr 70px;gap:.75rem;padding:.75rem 1rem}.trend-rank{font-size:1rem}.trend-keyword{font-size:.9rem}.trend-indicator{font-size:1rem}.trend-arrow{font-size:1.2rem}.trend-line{font-size:1.4rem}.trends-description p{font-size:1rem}}