:root{--primary-color:#2563eb;--primary-dark:#1d4ed8;--primary-light:#3b82f6;--secondary-color:#10b981;--accent-color:#f59e0b;--text-primary:#1f2937;--text-secondary:#4b5563;--text-light:#6b7280;--bg-primary:#fff;--bg-secondary:#f9fafb;--bg-dark:#111827;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--max-width:1200px;--transition:all 0.3s ease}*{box-sizing:border-box;padding:0;margin:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Microsoft JhengHei,Noto Sans TC,sans-serif;color:var(--text-primary);background-color:var(--bg-primary);line-height:1.7;font-size:16px}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-dark)}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{color:var(--text-primary);line-height:1.3;margin-bottom:1rem;font-weight:700}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{margin-bottom:1rem;color:var(--text-secondary)}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.navbar{background:var(--bg-primary);box-shadow:var(--shadow-sm);position:-webkit-sticky;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color)}.navbar-container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;justify-content:space-between;height:70px}.navbar-container,.navbar-logo{display:flex;align-items:center}.navbar-logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);gap:.5rem}.navbar-logo span{color:var(--text-primary)}.navbar-menu{display:flex;list-style:none;gap:2rem}.navbar-menu a{color:var(--text-secondary);font-weight:500;padding:.5rem 0;position:relative}.navbar-menu a.active,.navbar-menu a:hover{color:var(--primary-color)}.navbar-menu a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-color);transition:var(--transition)}.navbar-menu a.active:after,.navbar-menu a:hover:after{width:100%}.navbar-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}.navbar-toggle span{width:25px;height:3px;background:var(--text-primary);border-radius:3px;transition:var(--transition)}.breadcrumbs{background:var(--bg-secondary);padding:.75rem 0;border-bottom:1px solid var(--border-color)}.breadcrumbs-container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;gap:.5rem;font-size:.875rem}.breadcrumbs a,.breadcrumbs-container{color:var(--text-light)}.breadcrumbs a:hover{color:var(--primary-color)}.breadcrumbs-separator{color:var(--border-color)}.breadcrumbs-current{color:var(--text-secondary);font-weight:500}.hero{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-dark) 100%);color:#fff;padding:5rem 0;text-align:center}.hero h1{color:#fff;font-size:3rem;margin-bottom:1.5rem}.hero p{color:hsla(0,0%,100%,.9);font-size:1.25rem;max-width:700px;margin:0 auto 2rem}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.btn,.hero-buttons{justify-content:center}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:var(--radius-md);font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:var(--transition);text-decoration:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:#fff;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff}.btn-white{background:#fff;color:var(--primary-color)}.btn-white:hover{background:var(--bg-secondary);color:var(--primary-dark)}.btn-outline-white{background:transparent;color:#fff;border:2px solid #fff}.btn-outline-white:hover{background:#fff;color:var(--primary-color)}.section{padding:5rem 0}.section-alt{background:var(--bg-secondary)}.section-dark{background:var(--bg-dark);color:#fff}.section-title{text-align:center;margin-bottom:3rem}.section-title h2{font-size:2.25rem;margin-bottom:1rem}.section-title p{font-size:1.125rem;max-width:600px;margin:0 auto}.card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md);transition:var(--transition);border:1px solid var(--border-color)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.card-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:1.75rem}.card h3{margin-bottom:.75rem}.card p{font-size:.95rem}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:2rem}.grid-2,.grid-3{display:grid;gap:2rem}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:2rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:1.5rem;gap:1.5rem}.tool-container{background:var(--bg-primary);border-radius:var(--radius-xl);padding:2.5rem;box-shadow:var(--shadow-lg);border:1px solid var(--border-color)}.tool-header{text-align:center;margin-bottom:2rem}.tool-form{max-width:600px;margin:0 auto}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.form-input{width:100%;padding:.875rem 1rem;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:var(--transition)}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.form-textarea{min-height:120px;resize:vertical}.results-container{margin-top:2rem;padding:2rem;background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color)}.result-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border-color)}.result-item:last-child{border-bottom:none}.result-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.25rem}.result-icon.success{background:#d1fae5;color:#059669}.result-icon.warning{background:#fef3c7;color:#d97706}.result-icon.error{background:#fee2e2;color:#dc2626}.result-content h4{margin-bottom:.25rem;font-size:1rem}.result-content p{margin-bottom:0;font-size:.875rem}.score-circle{width:150px;height:150px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 2rem;font-weight:700;background:conic-gradient(var(--primary-color) calc(var(--score) * 3.6deg),var(--border-color) 0);position:relative}.score-circle:before{content:"";position:absolute;width:120px;height:120px;background:#fff;border-radius:50%}.score-circle .score-value{position:relative;font-size:2.5rem;color:var(--primary-color)}.score-circle .score-label{position:relative;font-size:.875rem;color:var(--text-light);font-weight:500}.blog-card{background:var(--bg-primary);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:var(--transition);border:1px solid var(--border-color)}.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.blog-card-image{height:200px;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem}.blog-card-content{padding:1.5rem}.blog-card-meta{display:flex;gap:1rem;margin-bottom:.75rem;font-size:.875rem;color:var(--text-light)}.blog-card h3{font-size:1.25rem;margin-bottom:.75rem;line-height:1.4}.blog-card h3 a{color:var(--text-primary)}.blog-card h3 a:hover{color:var(--primary-color)}.blog-card p{font-size:.95rem;color:var(--text-secondary);margin-bottom:1rem}.blog-card .read-more{font-weight:600;display:inline-flex;align-items:center;gap:.5rem}.footer{background:var(--bg-dark);color:#fff;padding:4rem 0 2rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:3rem;gap:3rem;margin-bottom:3rem}.footer-brand h3{color:#fff;font-size:1.5rem;margin-bottom:1rem}.footer-brand p{color:hsla(0,0%,100%,.7);font-size:.95rem}.footer h4{color:#fff;font-size:1.125rem;margin-bottom:1.25rem}.footer-links{list-style:none}.footer-links li{margin-bottom:.75rem}.footer-links a{color:hsla(0,0%,100%,.7);font-size:.95rem}.footer-links a:hover{color:#fff}.footer-bottom{padding-top:2rem;border-top:1px solid hsla(0,0%,100%,.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-bottom p{color:hsla(0,0%,100%,.6);font-size:.875rem;margin:0}.footer-bottom-links{display:flex;gap:2rem}.footer-bottom-links a{color:hsla(0,0%,100%,.6);font-size:.875rem}.footer-bottom-links a:hover{color:#fff}.faq-item{background:var(--bg-primary);border-radius:var(--radius-md);margin-bottom:1rem;border:1px solid var(--border-color);overflow:hidden}.faq-question{padding:1.25rem 1.5rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}.faq-question:hover{background:var(--bg-secondary)}.faq-answer{padding:0 1.5rem 1.25rem;color:var(--text-secondary);display:none}.faq-item.active .faq-answer{display:block}.blog-post{max-width:800px;margin:0 auto;padding:3rem 1.5rem}.blog-post-header{margin-bottom:2rem}.blog-post-meta{display:flex;gap:1.5rem;margin-bottom:1rem;color:var(--text-light);font-size:.95rem}.blog-post h1{font-size:2.5rem;line-height:1.3}.blog-post-content{font-size:1.1rem;line-height:1.8}.blog-post-content h2{margin-top:2.5rem;margin-bottom:1rem;font-size:1.75rem}.blog-post-content h3{margin-top:2rem;margin-bottom:.75rem;font-size:1.35rem}.blog-post-content ol,.blog-post-content p,.blog-post-content ul{margin-bottom:1.5rem;color:var(--text-secondary)}.blog-post-content ol,.blog-post-content ul{padding-left:1.5rem}.blog-post-content li{margin-bottom:.5rem}.blog-post-content blockquote{border-left:4px solid var(--primary-color);padding-left:1.5rem;margin:2rem 0;font-style:italic;color:var(--text-light)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem}.contact-info-item{display:flex;gap:1rem;margin-bottom:1.5rem}.contact-info-icon{width:50px;height:50px;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;flex-shrink:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:2rem;gap:2rem;text-align:center}.stat-item h3{font-size:3rem;color:var(--primary-color);margin-bottom:.5rem}.stat-item p{color:var(--text-secondary);font-weight:500}.cta-section{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-dark) 100%);padding:5rem 0;text-align:center;color:#fff}.cta-section h2{color:#fff;font-size:2.5rem;margin-bottom:1rem}.cta-section p{color:hsla(0,0%,100%,.9);font-size:1.25rem;margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.seo-description{background:var(--bg-secondary);padding:4rem 0;border-top:1px solid var(--border-color)}.seo-description h2{font-size:1.75rem;margin-bottom:1.5rem}.seo-description p{font-size:1rem;line-height:1.8;margin-bottom:1rem}@media (max-width:1024px){.footer-grid,.grid-4,.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.navbar-menu{display:none;position:absolute;top:70px;left:0;right:0;background:var(--bg-primary);flex-direction:column;padding:1rem;box-shadow:var(--shadow-lg);gap:0}.navbar-menu.active{display:flex}.navbar-menu li{border-bottom:1px solid var(--border-color)}.navbar-menu a{display:block;padding:1rem}.navbar-toggle{display:flex}.hero h1{font-size:2rem}.hero p{font-size:1rem}.grid-2,.grid-3{grid-template-columns:1fr}.contact-grid,.footer-grid{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;text-align:center}.blog-post h1{font-size:1.75rem}.section{padding:3rem 0}}@media (max-width:480px){.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:280px}h1{font-size:1.75rem}h2{font-size:1.5rem}.stats-grid{grid-template-columns:1fr}.stat-item h3{font-size:2.5rem}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}