:root{--color-primary: #34CED6;--color-primary-dark: #2BB5BD;--color-primary-light: #9EE8EC;--color-bg: #FFFFFF;--color-bg-alt: #F8FAFB;--color-bg-section: #F0FCFD;--color-text: #1E293B;--color-text-muted: #64748B;--color-border: #E2E8F0;--font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--header-height: 65px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);line-height:1.75;font-size:17px}.site-header{padding:14px 0;position:fixed;top:0;left:0;right:0;background:#fffffff7;backdrop-filter:blur(10px);z-index:100;border-bottom:1px solid var(--color-border);height:var(--header-height)}.header-inner{display:flex;justify-content:space-between;align-items:center;max-width:1140px;margin:0 auto;padding:0 24px}.logo{display:flex;align-items:center;gap:8px;text-decoration:none}.logo img{height:32px;width:auto}.logo-text{font-weight:500;font-size:.875rem;color:var(--color-text-muted)}.nav-links{display:flex;gap:20px;align-items:center}.nav-links a{font-size:.875rem;color:var(--color-text-muted);text-decoration:none}.nav-links a:hover{color:var(--color-primary-dark)}.btn-nav{padding:10px 20px;background:var(--color-primary);color:#fff!important;border-radius:8px;font-weight:600}.btn-nav:hover{background:var(--color-primary-dark)}main{padding-top:calc(var(--header-height) + 32px);padding-bottom:60px;padding-left:24px;padding-right:24px}.article-container{max-width:760px;margin:0 auto}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.8125rem;color:var(--color-text-muted);margin-bottom:28px}.breadcrumbs a{color:var(--color-primary-dark);text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.post-header{margin-bottom:32px}.post-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:.875rem;color:var(--color-text-muted);margin-bottom:16px}.post-category{background:var(--color-bg-section);color:var(--color-primary-dark);padding:4px 14px;border-radius:20px;font-weight:600;font-size:.8125rem}.post-header h1{font-size:2.25rem;font-weight:700;line-height:1.2;margin-bottom:16px}.post-description{font-size:1.125rem;color:var(--color-text-muted);line-height:1.6;margin-bottom:20px}.post-tags{display:flex;flex-wrap:wrap;gap:8px}.post-tags span{background:var(--color-bg-alt);color:var(--color-text-muted);padding:4px 10px;border-radius:4px;font-size:.75rem}.featured-image{width:100%;height:auto;border-radius:12px;margin-bottom:36px;aspect-ratio:16/9;object-fit:cover;display:block}.toc{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:12px;padding:24px 28px;margin-bottom:32px}.toc-title{font-weight:600;font-size:1rem;margin-bottom:16px;color:var(--color-text)}.toc-list{list-style:none;padding:0;margin:0}.toc-list li{padding:10px 0;border-bottom:1px solid var(--color-border)}.toc-list li:last-child{border-bottom:none}.toc-list a{color:var(--color-text-muted);text-decoration:none;font-size:.9375rem;display:flex;align-items:baseline;gap:10px;transition:color .15s ease}.toc-number{color:var(--color-primary-dark);font-weight:600;min-width:24px}.toc-list a:hover{color:var(--color-primary-dark)}.cluster-nav{background:linear-gradient(135deg,var(--color-bg-section) 0%,#E8FAFB 100%);border:1px solid var(--color-primary-light);border-radius:10px;padding:16px 20px;margin-bottom:32px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}.cluster-label{font-size:.875rem;font-weight:600;color:var(--color-text)}.cluster-link{font-size:.8125rem;color:var(--color-primary-dark);text-decoration:none;padding:4px 12px;background:#fff;border-radius:6px;border:1px solid var(--color-border)}.cluster-link:hover{border-color:var(--color-primary);background:var(--color-bg-section)}.article-content{font-size:1.0625rem;line-height:1.85}.article-content h2,.article-content h3,.article-content h4{scroll-margin-top:100px}.article-content h2{font-size:1.5rem;font-weight:700;margin:56px 0 20px;padding-top:32px;padding-bottom:12px;border-top:1px solid var(--color-border);border-bottom:2px solid var(--color-border)}.article-content h2:first-child{margin-top:0;padding-top:0;border-top:none}.article-content h3{font-size:1.25rem;font-weight:600;margin:40px 0 16px}.article-content h4{font-size:1.1rem;font-weight:600;margin:32px 0 12px}.article-content p{margin-bottom:20px}.article-content ul,.article-content ol{margin:0 0 24px 24px}.article-content li{margin-bottom:10px}.article-content a{color:var(--color-primary-dark);text-decoration:underline;text-underline-offset:2px}.article-content strong{font-weight:600;color:var(--color-primary-dark)}.article-content blockquote{background:linear-gradient(135deg,#fef3c7,#fde68a);border-left:4px solid #F59E0B;padding:20px 24px;margin:32px 0;border-radius:0 12px 12px 0;font-size:.9375rem}.article-content blockquote p{margin-bottom:0}.article-content blockquote strong{color:#b45309}.article-content blockquote a{color:#92400e}.article-content table{width:100%;border-collapse:separate;border-spacing:0;margin:32px 0;font-size:.9375rem;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px #0000001a,0 4px 12px #0000000d;border:1px solid var(--color-border)}.article-content thead{background:linear-gradient(135deg,var(--color-bg-section) 0%,#D5F5F6 100%)}.article-content th{padding:16px 20px;text-align:left;font-weight:600;color:var(--color-primary-dark);border:none;border-bottom:2px solid var(--color-primary);font-size:.8125rem;text-transform:uppercase;letter-spacing:.5px}.article-content td{padding:16px 20px;border:none;border-bottom:1px solid var(--color-border);color:var(--color-text);vertical-align:middle}.article-content tbody tr:last-child td{border-bottom:none}.article-content tbody tr:nth-child(2n){background-color:var(--color-bg-alt)}.article-content tbody tr{transition:background-color .15s ease}.article-content tbody tr:hover{background-color:var(--color-bg-section)}.article-content td:last-child,.article-content th:last-child{white-space:nowrap;min-width:120px;text-align:center}.article-content td:first-child,.article-content th:first-child{text-align:left;min-width:180px}.article-content td:nth-child(2),.article-content th:nth-child(2){min-width:100px}.article-content tbody tr td strong{color:var(--color-primary-dark);font-weight:700}.article-content hr{border:none;border-top:1px solid var(--color-border);margin:48px 0}.article-content>p:first-of-type{font-size:1.0625rem;line-height:1.75;padding:20px 24px;background:linear-gradient(135deg,var(--color-bg-section) 0%,#D5F5F6 100%);border:1px solid var(--color-primary-light);border-radius:12px;margin-bottom:24px}.article-content>p:nth-of-type(2){background:var(--color-bg-alt);border-left:4px solid var(--color-primary);padding:16px 20px;border-radius:0 8px 8px 0;margin-bottom:32px}.article-content .cta-box{background:linear-gradient(135deg,var(--color-bg-section) 0%,#D5F5F6 100%);border:2px solid var(--color-primary-light);border-radius:16px;padding:40px;margin:48px 0;text-align:center}.article-content .cta-box h3{font-size:1.35rem;margin:0 0 10px;padding:0;border:none}.article-content .cta-box p{color:var(--color-text-muted);margin-bottom:24px}.article-content .cta-box .btn-primary,.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--color-primary);color:#fff;border-radius:10px;font-size:1rem;font-weight:600;text-decoration:none}.btn-primary:hover{background:var(--color-primary-dark)}.article-content p>a[href="/"]:only-child{display:inline-block;padding:14px 32px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff!important;text-decoration:none!important;border-radius:10px;font-weight:600;transition:all .2s ease;box-shadow:0 4px 12px #34ced64d}.article-content p>a[href="/"]:only-child:hover{transform:translateY(-2px);box-shadow:0 6px 20px #34ced666}.faq-section{margin-top:56px;padding-top:40px;border-top:1px solid var(--color-border)}.faq-section h2{font-size:1.5rem;font-weight:700;margin-bottom:24px;scroll-margin-top:100px}.faq-list{display:flex;flex-direction:column;gap:16px}.faq-item{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:12px;overflow:hidden}.faq-question{padding:20px 24px;font-weight:600;font-size:1rem;cursor:pointer;list-style:none;display:flex;align-items:center;gap:12px}.faq-question:before{content:"❓";flex-shrink:0}.faq-question::-webkit-details-marker{display:none}.faq-item[open] .faq-question{border-bottom:1px solid var(--color-border)}.faq-answer{padding:20px 24px;margin:0;font-size:.9375rem;color:var(--color-text-muted);line-height:1.7}.post-footer{margin-top:56px;padding-top:32px;border-top:1px solid var(--color-border)}.last-updated{font-size:.8125rem;color:var(--color-text-muted);margin-bottom:24px}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--color-primary-dark);text-decoration:none;font-size:.9375rem;font-weight:500}.back-link:hover{text-decoration:underline}.related-posts{margin-top:56px;padding-top:48px;border-top:1px solid var(--color-border)}.related-posts h3{font-size:1.25rem;font-weight:700;margin-bottom:24px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.related-card{background:var(--color-bg-alt);border-radius:12px;padding:24px;text-decoration:none;transition:transform .2s,box-shadow .2s;border:1px solid transparent}.related-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #00000014;border-color:var(--color-primary-light)}.related-card h4{font-size:.9375rem;font-weight:600;color:var(--color-text);margin-bottom:8px;line-height:1.4}.related-card p{font-size:.8125rem;color:var(--color-text-muted);line-height:1.5;margin:0}.site-footer{padding:32px 24px;border-top:1px solid var(--color-border);text-align:center;margin-top:60px;font-size:.8125rem;color:var(--color-text-muted)}.site-footer p{margin-bottom:8px}.footer-links a{margin:0 10px;color:var(--color-primary-dark);text-decoration:none}@media (max-width: 768px){.post-header h1{font-size:1.75rem}.article-content h2{font-size:1.3rem}.article-content h3{font-size:1.1rem}.related-grid{grid-template-columns:1fr}.article-content .cta-box{padding:28px 20px}.nav-links a:not(.btn-nav){display:none}.cluster-nav{flex-direction:column;align-items:flex-start}.article-content table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:.875rem;margin-left:-16px;margin-right:-16px;width:calc(100% + 32px);border-radius:0;box-shadow:none}.article-content th,.article-content td{padding:12px 14px}}@media (max-width: 480px){main{padding-left:16px;padding-right:16px}.toc{padding:20px}}
