*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}:root{--color-primary:#1B4D5C;--color-primary-dark:#123640;--color-secondary:#C86F34;--color-secondary-light:#E08B52;--color-accent:#4A8C6A;--color-accent-light:#6BA88A;--color-text:#1F2937;--color-text-light:#4B5563;--color-text-muted:#9CA3AF;--color-bg:#FAFAF9;--color-bg-alt:#F5F0EB;--color-white:#FFFFFF;--color-dark:#111827;--color-border:#E5E7EB;--font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-display:'Playfair Display',Georgia,serif;--shadow-sm:0 2px 8px rgba(0,0,0,0.06);--shadow-md:0 8px 24px rgba(0,0,0,0.10);--shadow-lg:0 16px 48px rgba(0,0,0,0.14);--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--transition:0.25s ease;}html{scroll-behavior:smooth;scroll-padding-top:90px;}body{font-family:var(--font-body);color:var(--color-text);background-color:var(--color-bg);line-height:1.7;-webkit-font-smoothing:antialiased;font-size:16px;}img{max-width:100%;height:auto;display:block;}a{color:inherit;text-decoration:none;}ul,ol{list-style:none;}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}.container-narrow{max-width:800px;}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.25;color:var(--color-dark);}h1{font-size:clamp(2.2rem,5vw,3.5rem);}h2{font-size:clamp(1.6rem,3vw,2.2rem);}h3{font-size:clamp(1.2rem,2vw,1.5rem);}p{margin-bottom:1.2em;}.section-title{margin-bottom:0.5em;}.section-subtitle{color:var(--color-text-light);font-size:1.05rem;max-width:700px;margin-bottom:2em;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:600;font-size:15px;transition:all var(--transition);cursor:pointer;border:2px solid transparent;background-color:var(--color-secondary);color:var(--color-white);}.btn:hover{background-color:var(--color-secondary-light);transform:translateY(-2px);box-shadow:var(--shadow-md);}.btn-primary{background-color:var(--color-primary);}.btn-primary:hover{background-color:var(--color-primary-dark);}.btn-outline{background-color:transparent;border-color:var(--color-white);color:var(--color-white);}.btn-outline:hover{background-color:var(--color-white);color:var(--color-primary);}.btn-sm{padding:10px 20px;font-size:14px;}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background-color:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);transition:box-shadow var(--transition);}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--color-primary);}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:1rem;}.main-nav ul{display:flex;gap:28px;}.main-nav a{font-size:0.95rem;font-weight:500;color:var(--color-text-light);transition:color var(--transition);position:relative;}.main-nav a:hover,.main-nav a.active{color:var(--color-primary);}.main-nav a::after{content:'';position:absolute;bottom:-6px;left:0;width:0;height:2px;background-color:var(--color-secondary);transition:width var(--transition);}.main-nav a:hover::after,.main-nav a.active::after{width:100%;}.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;background:none;border:none;cursor:pointer;}.mobile-menu-btn span{display:block;width:100%;height:2px;background-color:var(--color-primary);transition:all 0.3s ease;}.hero{position:relative;min-height:80vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:120px 0 80px;color:var(--color-white);}.hero-image{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;}.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,50,60,0.82),rgba(16,50,60,0.55));z-index:-1;}.hero-content{position:relative;z-index:1;max-width:800px;text-align:center;}.hero-breadcrumb{font-size:0.85rem;margin-bottom:1.5em;opacity:0.85;}.hero-breadcrumb a:hover{text-decoration:underline;}.hero-title{font-size:clamp(2.5rem,6vw,4rem);color:var(--color-white);margin-bottom:0.4em;text-shadow:0 2px 20px rgba(0,0,0,0.2);}.hero-subtitle{font-size:clamp(1.1rem,2vw,1.35rem);opacity:0.92;margin-bottom:2em;line-height:1.6;}.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}.hero-meta{margin-top:2.5em;display:flex;align-items:center;justify-content:center;gap:24px;font-size:0.9rem;opacity:0.85;}.hero-meta .author{display:flex;align-items:center;gap:12px;}.author-avatar{width:40px;height:40px;border-radius:50%;background-size:cover;background-position:center;border:2px solid rgba(255,255,255,0.3);}.page-header{padding:140px 0 60px;background-size:cover;background-position:center;position:relative;color:var(--color-white);}.page-header::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,50,60,0.85),rgba(16,50,60,0.6));}.page-header .container{position:relative;z-index:1;}.page-header h1{color:var(--color-white);margin-bottom:0.4em;}.page-header p{font-size:1.15rem;opacity:0.9;max-width:700px;margin-bottom:0;}.page-header .page-meta{font-size:0.85rem;opacity:0.75;margin-top:16px;font-style:italic;}.breadcrumb{font-size:0.85rem;margin-bottom:1.2em;opacity:0.85;}.breadcrumb a:hover{text-decoration:underline;}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}.card{background:var(--color-white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);border:1px solid var(--color-border);}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}.card-image{width:100%;height:200px;background-size:cover;background-position:center;}.card-body{padding:24px;}.card-body h3{margin-bottom:0.5em;font-size:1.2rem;}.card-body p{color:var(--color-text-light);font-size:0.95rem;margin-bottom:1em;}.card-meta{display:flex;align-items:center;gap:16px;font-size:0.85rem;color:var(--color-text-muted);margin-bottom:1em;}.card-link{color:var(--color-secondary);font-weight:600;font-size:0.9rem;display:inline-flex;align-items:center;gap:4px;}.card-link:hover{color:var(--color-secondary-light);}.feature-card{display:flex;gap:20px;padding:24px;background:var(--color-white);border-radius:var(--radius-md);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}.feature-icon{width:48px;height:48px;min-width:48px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));display:flex;align-items:center;justify-content:center;color:white;font-size:1.3rem;}.feature-content h3{margin-bottom:0.4em;font-size:1.1rem;}.feature-content p{color:var(--color-text-light);font-size:0.95rem;margin-bottom:0;}section{padding:80px 0;}.section-header{margin-bottom:48px;}.section-label{display:inline-block;font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:0.8em;}.bg-alt{background-color:var(--color-bg-alt);}.bg-white{background-color:var(--color-white);}.bg-primary{background-color:var(--color-primary);color:var(--color-white);}.bg-primary h2,.bg-primary h3{color:var(--color-white);}.check-list li,.bullet-list li{position:relative;padding-left:28px;margin-bottom:0.8em;color:var(--color-text-light);}.check-list li::before{content:'✓';position:absolute;left:0;color:var(--color-accent);font-weight:700;}.bullet-list li::before{content:'';position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background-color:var(--color-secondary);}.table-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--color-border);margin:1.5em 0;}table{width:100%;border-collapse:collapse;background:var(--color-white);font-size:0.95rem;}thead{background-color:var(--color-primary);color:var(--color-white);}th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--color-border);}tbody tr:last-child td{border-bottom:none;}tbody tr:hover{background-color:var(--color-bg);}.faq-item{border-bottom:1px solid var(--color-border);padding:20px 0;}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:none;font-size:1.05rem;font-weight:600;color:var(--color-dark);cursor:pointer;text-align:left;padding:0;}.faq-question:hover{color:var(--color-primary);}.faq-icon{width:24px;height:24px;transition:transform 0.3s ease;flex-shrink:0;}.faq-item.active .faq-icon{transform:rotate(180deg);}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease;}.faq-item.active .faq-answer{max-height:500px;padding-top:12px;}.faq-answer p{margin-bottom:0.8em;color:var(--color-text-light);}.faq-answer p:last-child{margin-bottom:0;}.cta-box{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-white);padding:60px;border-radius:var(--radius-lg);text-align:center;}.cta-box h2{color:var(--color-white);margin-bottom:0.5em;}.cta-box p{opacity:0.9;max-width:600px;margin:0 auto 1.5em;}.form-group{margin-bottom:20px;}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:0.9rem;}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:inherit;font-size:0.95rem;transition:border-color var(--transition);}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--color-primary);}.newsletter{background-color:var(--color-bg-alt);}.newsletter-form{display:flex;gap:12px;max-width:500px;margin-top:20px;}.newsletter-form input{flex:1;padding:14px 18px;border:1px solid var(--color-border);border-radius:50px;font-size:0.95rem;}.newsletter-form input:focus{outline:none;border-color:var(--color-primary);}.site-footer{background-color:var(--color-dark);color:#D1D5DB;padding:60px 0 30px;}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:24px;margin-bottom:40px;}.footer-brand .logo{color:var(--color-white);margin-bottom:16px;}.footer-brand p{font-size:0.9rem;line-height:1.7;color:#9CA3AF;}.footer-links h4{color:var(--color-white);font-size:1rem;margin-bottom:20px;font-family:var(--font-body);font-weight:600;}.footer-links ul li{margin-bottom:10px;}.footer-links a{color:#9CA3AF;font-size:0.9rem;transition:color var(--transition);}.footer-links a:hover{color:var(--color-white);}.footer-bottom{border-top:1px solid #374151;padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;color:#9CA3AF;}.route-card{background:var(--color-white);border-radius:var(--radius-md);border:1px solid var(--color-border);overflow:hidden;}.route-header{padding:24px 24px 0;}.route-stats{display:flex;gap:20px;margin:16px 0;flex-wrap:wrap;}.route-stat{display:flex;align-items:center;gap:6px;font-size:0.9rem;color:var(--color-text-light);background:var(--color-bg);padding:6px 12px;border-radius:50px;}.route-body{padding:0 24px 24px;}.route-map{width:100%;height:240px;background-color:var(--color-bg-alt);border-radius:var(--radius-sm);margin-bottom:20px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:0.9rem;overflow:hidden;}.route-map img{width:100%;height:100%;object-fit:cover;}.info-box{background:#EFF6FF;border-left:4px solid var(--color-primary);padding:20px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.5em 0;}.info-box.warning{background:#FFFBEB;border-left-color:#F59E0B;}.info-box.success{background:#ECFDF5;border-left-color:var(--color-accent);}.info-box-title{font-weight:700;color:var(--color-dark);margin-bottom:8px;display:flex;align-items:center;gap:8px;}.info-box p:last-child{margin-bottom:0;}.bluf-box{background:#F0FDF4;border-left:4px solid var(--color-accent);padding:20px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.5em 0;}.bluf-box p{margin-bottom:0;color:var(--color-text);}.bluf-box strong{color:var(--color-primary);}.toc-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px;margin:40px 0;box-shadow:var(--shadow-sm);}.toc-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}.toc-title{font-size:1.1rem;margin-bottom:0;}.toc-toggle{background:none;border:none;color:var(--color-primary);font-weight:600;cursor:pointer;display:flex;align-items:center;gap:4px;font-size:0.9rem;}.toc-nav ul li{margin-bottom:8px;}.toc-nav a{color:var(--color-text-light);font-size:0.95rem;transition:color var(--transition);}.toc-nav a:hover{color:var(--color-primary);}.toc-nav ul ul{padding-left:18px;margin-top:8px;}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}.two-col .image-col img{border-radius:var(--radius-md);box-shadow:var(--shadow-md);}.comparison-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}.comparison-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:28px;}.comparison-card h3{margin-bottom:0.5em;}.comparison-card ul{margin-top:1em;}.comparison-card li{padding-left:20px;position:relative;margin-bottom:0.5em;color:var(--color-text-light);font-size:0.95rem;}.comparison-card li::before{content:'';position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background-color:var(--color-secondary);}@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;}}@media (max-width:768px){.main-nav{position:fixed;top:72px;left:0;right:0;background:var(--color-white);border-bottom:1px solid var(--color-border);padding:20px 24px;display:none;}.main-nav.active{display:block;}.main-nav ul{flex-direction:column;gap:16px;}.mobile-menu-btn{display:flex;}.hero-cta{flex-direction:column;align-items:center;}.newsletter-form{flex-direction:column;}.two-col,.comparison-grid{grid-template-columns:1fr;}.cta-box{padding:40px 24px;}.footer-grid{grid-template-columns:1fr;gap:32px;}.footer-bottom{flex-direction:column;gap:12px;text-align:center;}}.text-center{text-align:center;}.mt-0{margin-top:0;}.mb-0{margin-bottom:0;}.mb-1{margin-bottom:0.5em;}.mb-2{margin-bottom:1em;}.mb-3{margin-bottom:1.5em;}.mb-4{margin-bottom:2em;}.safety-alert{border-left-width:6px;background:#FFFBEB;border-radius:0 var(--radius-md) var(--radius-md) 0;}.safety-alert .btn-sm{margin-top:12px;padding:10px 20px;font-size:0.9rem;}.source-note{font-size:0.9rem;color:var(--color-text-light);background:var(--color-bg-alt);padding:14px 18px;border-radius:var(--radius-sm);margin:1.5em 0;border-left:3px solid var(--color-text-muted);}.price-note{font-size:0.9rem;color:var(--color-text-light);display:block;margin-top:0.5em;}.price-usd{color:var(--color-text-light);font-weight:500;}.emergency-details{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);margin:1.5em 0;overflow:hidden;}.emergency-details summary{padding:16px 20px;font-weight:600;cursor:pointer;color:var(--color-primary);list-style:none;display:flex;justify-content:space-between;align-items:center;}.emergency-details summary::after{content:'+';font-size:1.4rem;font-weight:400;}.emergency-details[open] summary::after{content:'−';}.emergency-content{padding:0 20px 20px;border-top:1px solid var(--color-border);}.next-step-box{background:#F0FDF4;border-left:4px solid var(--color-accent);padding:24px;border-radius:0 var(--radius-md) var(--radius-md) 0;margin:2em 0;}.next-step-box h2{font-size:1.3rem;margin-bottom:14px;}.next-step-box .check-list li::before{display:none;}.next-step-box .check-list li{padding-left:0;margin-bottom:10px;}.next-step-box a{color:var(--color-primary);font-weight:500;text-decoration:underline;}.next-step-box a:hover{color:var(--color-secondary);}.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--color-primary);color:var(--color-white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition);box-shadow:var(--shadow-md);z-index:999;}.back-to-top.visible{opacity:1;visibility:visible;}.back-to-top:hover{background:var(--color-primary-dark);}@media (max-width:768px){.toc-card{position:sticky;top:80px;z-index:90;margin:20px 0;}.safety-alert .btn-sm{display:block;text-align:center;}}