:root{--color-earth-dark:#2C1810;--color-earth-medium:#5D4037;--color-earth-light:#8D6E63;--color-sand:#F5F5DC;--color-cream:#FFF8DC;--color-gold:#D4AF37;--color-gold-light:#FFD700;--color-emerald:#22C55E;--color-ruby:#EF4444;--color-sapphire:#3B82F6;--color-amethyst:#8B5CF6;--bg-primary:#FFF8DC;--bg-secondary:#F5F5DC;--bg-tertiary:#FFFFFF;--bg-header:linear-gradient(135deg, #2C1810 0%, #5D4037 100%);--bg-hero:linear-gradient(135deg, #2C1810 0%, #1a1a2e 50%, #5D4037 100%);--bg-card:#FFFFFF;--bg-table:#FFFFFF;--bg-code:rgba(212, 175, 55, 0.1);--text-primary:#1a1a2e;--text-secondary:#4a5568;--text-light:#e8e8e8;--text-muted:#9ca3af;--text-heading:#2C1810;--text-link:#5D4037;--text-link-hover:#D4AF37;--border-color:rgba(212, 175, 55, 0.2);--border-table:rgba(0,0,0,0.05);--shadow-color:rgba(0,0,0,0.1);--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:20px;--shadow-sm:0 1px 2px rgba(0,0,0,0.1);--shadow-md:0 4px 6px rgba(0,0,0,0.1);--shadow-lg:0 10px 25px rgba(0,0,0,0.15);--shadow-gold:0 4px 15px rgba(212, 175, 55, 0.3);--font-sans:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;--font-serif:Georgia, 'Times New Roman', serif;--font-mono:'SF Mono', Monaco, monospace}[data-theme=dark]{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-tertiary:#0f3460;--bg-header:linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 100%);--bg-hero:linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 50%, #16213e 100%);--bg-card:#16213e;--bg-table:#1a1a2e;--bg-code:rgba(212, 175, 55, 0.15);--text-primary:#e8e8e8;--text-secondary:#b8b8d1;--text-light:#e8e8e8;--text-muted:#7a7a9d;--text-heading:#FFD700;--text-link:#D4AF37;--text-link-hover:#FFD700;--border-color:rgba(212, 175, 55, 0.3);--border-table:rgba(255,255,255,0.1);--shadow-color:rgba(0,0,0,0.3);--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 4px 6px rgba(0,0,0,0.4);--shadow-lg:0 10px 25px rgba(0,0,0,0.5);--shadow-gold:0 4px 15px rgba(212, 175, 55, 0.2)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);line-height:1.6;color:var(--text-primary);background:var(--bg-primary);min-height:100vh;transition:background-color .3s ease,color .3s ease}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md);color:var(--text-heading);transition:color .3s ease}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{margin-bottom:var(--spacing-md)}a{color:var(--text-link);text-decoration:none;transition:color .2s}a:hover{color:var(--text-link-hover)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.site-header{background:var(--bg-header);color:var(--text-light);padding:var(--spacing-md)0;box-shadow:var(--shadow-lg);position:sticky;top:0;z-index:100}.site-header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-md)}.site-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.5rem;font-weight:700;color:var(--color-gold-light);text-decoration:none}.site-logo:hover{color:var(--color-gold)}.header-controls{display:flex;align-items:center;gap:var(--spacing-md)}.main-nav ul{display:flex;list-style:none;gap:var(--spacing-lg);flex-wrap:wrap}.main-nav a{color:var(--text-light);font-weight:500;padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-md);transition:all .2s}.main-nav a:hover{background:rgba(255,255,255,.1);color:var(--color-gold-light)}.hero{background:var(--bg-hero);color:var(--text-light);padding:var(--spacing-2xl)0;text-align:center;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='20' cy='20' r='2' fill='%23D4AF37' opacity='0.1'/%3E%3Ccircle cx='80' cy='40' r='1.5' fill='%23D4AF37' opacity='0.1'/%3E%3Ccircle cx='40' cy='80' r='1' fill='%23D4AF37' opacity='0.1'/%3E%3C/svg%3E");pointer-events:none}.hero-content{position:relative;z-index:1}.hero-title{font-size:3rem;color:var(--color-gold-light);margin-bottom:var(--spacing-md);text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto var(--spacing-xl)}.hero-cta{display:inline-flex;align-items:center;gap:var(--spacing-sm);background:linear-gradient(135deg,var(--color-gold),#CD853F);color:var(--color-earth-dark);padding:var(--spacing-md)var(--spacing-xl);border-radius:var(--radius-xl);font-weight:600;font-size:1.1rem;box-shadow:var(--shadow-gold);transition:all .2s}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(212,175,55,.4);color:var(--color-earth-dark)}main{padding:var(--spacing-xl)0;background:var(--bg-primary);transition:background-color .3s ease}.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin:var(--spacing-xl)0}.section-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;border:2px solid transparent;transition:all .3s;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}.section-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-gold),var(--color-emerald),var(--color-ruby))}.section-card:hover{border-color:var(--color-gold);transform:translateY(-4px);box-shadow:var(--shadow-gold)}.section-card-icon{font-size:3rem;margin-bottom:var(--spacing-md)}.section-card h3{color:var(--text-heading);margin-bottom:var(--spacing-sm)}.section-card p{color:var(--text-secondary);margin-bottom:var(--spacing-md)}.section-card-link{display:inline-block;color:var(--color-gold);font-weight:600}.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all .2s;border:none;font-size:1rem;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--color-gold),#CD853F);color:var(--color-earth-dark)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-gold);color:var(--color-earth-dark)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:2px solid var(--border-color)}.btn-secondary:hover{border-color:var(--color-gold);color:var(--text-link)}.article-header{background:var(--bg-header);color:var(--text-light);padding:var(--spacing-xl)0;margin-bottom:var(--spacing-xl)}.article-title{color:var(--color-gold-light);font-size:2.5rem;margin-bottom:var(--spacing-sm)}.article-meta{display:flex;gap:var(--spacing-lg);color:var(--text-muted);font-size:.9rem;flex-wrap:wrap}.article-content{max-width:800px;margin:0 auto;padding:0 var(--spacing-lg)}.article-content h2{color:var(--text-heading);border-bottom:2px solid var(--color-gold);padding-bottom:var(--spacing-sm);margin-top:var(--spacing-xl)}.article-content h3{color:var(--text-secondary);margin-top:var(--spacing-lg)}.article-content ul,.article-content ol{margin-left:var(--spacing-lg);margin-bottom:var(--spacing-md)}.article-content li{margin-bottom:var(--spacing-sm)}.article-content blockquote{border-left:4px solid var(--color-gold);padding-left:var(--spacing-md);margin:var(--spacing-lg)0;color:var(--text-secondary);font-style:italic;background:var(--bg-secondary);padding:var(--spacing-md);padding-left:var(--spacing-lg);border-radius:0 var(--radius-md)var(--radius-md)0}.article-content code{background:var(--bg-code);padding:2px 6px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.9em;color:var(--text-link)}.article-content pre{background:var(--color-earth-dark);color:var(--text-light);padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto;margin:var(--spacing-md)0}.article-content pre code{background:0 0;color:inherit;padding:0}.article-body{font-size:1.05rem;line-height:1.8}.article-body h2{color:var(--text-heading);border-bottom:2px solid var(--color-gold);padding-bottom:var(--spacing-sm);margin-top:var(--spacing-2xl)}.article-body h3{color:var(--text-heading);margin-top:var(--spacing-xl)}.article-body ul,.article-body ol{margin-left:var(--spacing-lg);margin-bottom:var(--spacing-md)}.article-body li{margin-bottom:var(--spacing-sm)}.article-body blockquote{border-left:4px solid var(--color-gold);padding:var(--spacing-md);padding-left:var(--spacing-lg);margin:var(--spacing-lg)0;color:var(--text-secondary);font-style:italic;background:var(--bg-secondary);border-radius:0 var(--radius-md)var(--radius-md)0}.article-body code{background:var(--bg-code);padding:2px 6px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.9em;color:var(--text-link)}.article-body pre{background:var(--color-earth-dark);color:var(--text-light);padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto;margin:var(--spacing-md)0}.article-body pre code{background:0 0;color:inherit;padding:0}.article-body img{max-width:100%;height:auto;border-radius:var(--radius-md);margin:var(--spacing-md)0}.article-body hr{border:none;border-top:2px solid var(--border-color);margin:var(--spacing-xl)0}.article-subtitle{color:rgba(255,255,255,.8);font-size:1.15rem;margin-bottom:var(--spacing-md);line-height:1.5}.page-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-lg);margin:var(--spacing-xl)0}.page-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-xl);border:2px solid transparent;transition:all .3s;position:relative;overflow:hidden;box-shadow:var(--shadow-md);display:flex;flex-direction:column}.page-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-gold),var(--color-emerald),var(--color-ruby))}.page-card:hover{border-color:var(--color-gold);transform:translateY(-4px);box-shadow:var(--shadow-gold)}.page-card h3{color:var(--text-heading);margin-bottom:var(--spacing-sm);font-size:1.15rem}.page-card h3 a{color:inherit}.page-card h3 a:hover{color:var(--color-gold)}.page-card p{color:var(--text-secondary);margin-bottom:var(--spacing-md);font-size:.95rem;flex:1}.read-more{display:inline-block;color:var(--color-gold);font-weight:600;transition:color .2s}.read-more:hover{color:var(--text-link-hover)}.breadcrumbs{padding:var(--spacing-sm)0;margin-bottom:var(--spacing-sm)}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:var(--spacing-xs);padding:0;margin:0;font-size:.85rem}.breadcrumbs li{display:flex;align-items:center;color:rgba(255,255,255,.6)}.breadcrumbs li::after{content:"›";margin-left:var(--spacing-sm);font-size:1rem;color:rgba(255,255,255,.4)}.breadcrumbs li:last-child::after{content:""}.breadcrumbs a{color:var(--color-gold);text-decoration:none}.breadcrumbs a:hover{color:var(--color-gold-light);text-decoration:underline}.gem-guide-callout{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:linear-gradient(135deg,var(--bg-secondary),var(--bg-primary));border-radius:var(--radius-md);border-left:4px solid var(--color-emerald);border:2px solid var(--color-emerald)}.gem-guide-callout strong{display:block;font-size:1.1rem;margin-bottom:var(--spacing-xs)}.gem-guide-callout p{margin:var(--spacing-xs)0 var(--spacing-sm);color:var(--text-muted);font-size:.95rem}.gem-guide-link{display:inline-block;padding:var(--spacing-sm)var(--spacing-lg);background:var(--color-emerald);color:#fff;text-decoration:none;border-radius:var(--radius-sm);font-weight:600;transition:opacity .2s}.gem-guide-link:hover{opacity:.9;color:#fff}.gem-tools-bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-sm);margin-top:var(--spacing-xl);padding:var(--spacing-md)var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);font-size:.9rem}.gem-tools-bar strong{margin-right:var(--spacing-xs)}.gem-tools-bar a{padding:var(--spacing-xs)var(--spacing-sm);background:var(--bg-primary);border-radius:var(--radius-sm);text-decoration:none;color:var(--color-emerald);border:1px solid var(--border-color);transition:background .2s,color .2s}.gem-tools-bar a:hover{background:var(--color-emerald);color:#fff}.section-explore{margin-top:var(--spacing-2xl);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-md);border-left:4px solid var(--color-gold)}.section-explore h2{color:var(--text-heading);margin-bottom:var(--spacing-md);font-size:1.2rem}.explore-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.explore-card{display:flex;flex-direction:column;padding:var(--spacing-sm)var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm);border:1px solid var(--border-color);text-decoration:none;transition:all .2s}.explore-card:hover{border-color:var(--color-gold);transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,.1)}.explore-title{color:var(--text-heading);font-weight:600;font-size:.9rem;line-height:1.3}.explore-desc{color:var(--text-muted);font-size:.78rem;line-height:1.4;margin-top:4px}.explore-all-link{display:inline-block;color:var(--color-gold);font-weight:600;font-size:.9rem;text-decoration:none}.explore-all-link:hover{text-decoration:underline}@media(max-width:768px){.explore-grid{grid-template-columns:1fr}}.related-content{margin-top:var(--spacing-2xl);padding-top:var(--spacing-xl);border-top:2px solid var(--border-color)}.related-content h2{color:var(--text-heading);margin-bottom:var(--spacing-lg)}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--spacing-md)}.related-card{display:flex;flex-direction:column;padding:var(--spacing-md);background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);text-decoration:none;transition:all .2s}.related-card:hover{border-color:var(--color-gold);transform:translateY(-2px);box-shadow:var(--shadow-gold)}.related-section{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gold);margin-bottom:var(--spacing-xs);font-weight:600}.related-title{color:var(--text-heading);font-weight:600;font-size:.95rem;line-height:1.3}@media(max-width:768px){.related-grid{grid-template-columns:1fr}}.article-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);align-items:center}table{width:100%;border-collapse:collapse;margin:var(--spacing-lg)0;background:var(--bg-table);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}th{background:linear-gradient(135deg,var(--color-earth-medium),var(--color-earth-dark));color:var(--text-light);padding:var(--spacing-md);text-align:left;font-weight:600}td{padding:var(--spacing-md);border-bottom:1px solid var(--border-table);color:var(--text-primary)}tr:hover{background:rgba(212,175,55,5%)}[data-theme=dark] tr:hover{background:rgba(212,175,55,.1)}.site-footer{background:var(--color-earth-dark);color:var(--text-light);padding:var(--spacing-xl)0;margin-top:var(--spacing-2xl)}.site-footer .container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-xl)}.footer-section h4{color:var(--color-gold-light);font-size:1.1rem;margin-bottom:var(--spacing-md)}.footer-section ul{list-style:none}.footer-section li{margin-bottom:var(--spacing-sm)}.footer-section a{color:var(--text-muted);transition:color .2s}.footer-section a:hover{color:var(--color-gold-light)}.footer-bottom{text-align:center;padding-top:var(--spacing-lg);margin-top:var(--spacing-lg);border-top:1px solid rgba(255,255,255,.1);color:var(--text-muted)}.tag{display:inline-block;background:rgba(212,175,55,.2);color:var(--text-link);padding:var(--spacing-xs)var(--spacing-sm);border-radius:var(--radius-sm);font-size:.85rem;margin-right:var(--spacing-xs);margin-bottom:var(--spacing-xs);text-decoration:none;transition:all .2s}a.tag:hover{background:rgba(212,175,55,.4);color:var(--text-link-hover)}[data-theme=dark] .tag{background:rgba(212,175,55,.3)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:2px solid var(--color-gold);border-radius:50%;background:0 0;cursor:pointer;transition:all .3s ease;color:var(--color-gold-light);font-size:1.25rem;padding:0}.theme-toggle:hover{background:rgba(212,175,55,.2);transform:scale(1.1)}.theme-toggle:focus{outline:3px solid var(--color-gold);outline-offset:2px}.theme-toggle .icon-sun,.theme-toggle .icon-moon{display:none}[data-theme=dark] .theme-toggle .icon-sun{display:block}[data-theme=light] .theme-toggle .icon-moon,:root:not([data-theme=dark]) .theme-toggle .icon-moon{display:block}@media(max-width:768px){.mobile-menu-toggle{display:flex}.header-controls .main-nav{display:none}.header-controls .theme-toggle{display:none}.site-header .container{flex-direction:row;align-items:center;justify-content:space-between}.mobile-nav{display:flex}.site-header .container{flex-direction:column;align-items:flex-start}.header-controls{width:100%;justify-content:space-between}.main-nav ul{flex-direction:column;gap:var(--spacing-sm);width:100%}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.section-grid{grid-template-columns:1fr}.page-list{grid-template-columns:1fr}.article-title{font-size:1.75rem}.article-content{padding:0 var(--spacing-md)}}@media(max-width:480px){.theme-toggle{width:36px;height:36px;font-size:1.1rem}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}a:focus,button:focus,input:focus{outline:3px solid var(--color-gold);outline-offset:2px}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media(prefers-contrast:high){:root{--color-earth-dark:#000;--color-earth-medium:#333;--text-primary:#000;--text-secondary:#333}[data-theme=dark]{--bg-primary:#000;--text-primary:#fff}}.mobile-menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;padding:0;background:0 0;border:2px solid var(--color-gold);border-radius:var(--radius-md);cursor:pointer;gap:6px;transition:all .3s ease}.mobile-menu-toggle:hover{background:rgba(212,175,55,.2)}.mobile-menu-toggle:focus{outline:3px solid var(--color-gold);outline-offset:2px}.hamburger-line{display:block;width:24px;height:2px;background:var(--color-gold-light);border-radius:2px;transition:all .3s ease;transform-origin:center}.mobile-menu-toggle.active .hamburger-line:nth-child(1){transform:translateY(8px)rotate(45deg)}.mobile-menu-toggle.active .hamburger-line:nth-child(2){opacity:0}.mobile-menu-toggle.active .hamburger-line:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.mobile-nav{display:none;position:fixed;top:0;right:-100%;width:85%;max-width:320px;height:100vh;background:var(--bg-secondary);z-index:200;flex-direction:column;padding:var(--spacing-lg);box-shadow:-4px 0 20px rgba(0,0,0,.3);transition:right .3s ease;overflow-y:auto}.mobile-nav.active{right:0}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--border-color)}.mobile-nav-title{font-size:1.25rem;font-weight:700;color:var(--text-heading)}.mobile-nav-close{width:40px;height:40px;background:0 0;border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.mobile-nav-close:hover{background:rgba(239,68,68,.1);border-color:#ef4444;color:#ef4444}.mobile-nav .main-nav{display:block;margin-bottom:var(--spacing-xl)}.mobile-nav .main-nav ul{flex-direction:column;gap:var(--spacing-sm)}.mobile-nav .main-nav li{width:100%}.mobile-nav .main-nav a{display:block;padding:var(--spacing-md);color:var(--text-primary);font-size:1.1rem;border-radius:var(--radius-md);transition:all .2s ease}.mobile-nav .main-nav a:hover,.mobile-nav .main-nav a[aria-current=page]{background:var(--bg-code);color:var(--text-link-hover)}.mobile-theme-section{display:flex;align-items:center;gap:var(--spacing-md);padding-top:var(--spacing-lg);border-top:2px solid var(--border-color);color:var(--text-secondary)}.mobile-theme-toggle{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-code);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all .2s ease}.mobile-theme-toggle:hover{border-color:var(--color-gold);background:rgba(212,175,55,.2)}.mobile-icon-moon,.mobile-icon-sun{display:flex;align-items:center;gap:var(--spacing-sm)}.mobile-icon-moon{display:none}.mobile-icon-sun{display:flex}[data-theme=dark] .mobile-icon-moon{display:flex}[data-theme=dark] .mobile-icon-sun{display:none}.mobile-nav-backdrop{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:150;opacity:0;transition:opacity .3s ease}.mobile-nav-backdrop.active{display:block;opacity:1}