:root{--color-primary:#2563eb;--color-primary-dark:#1e40af;--color-primary-light:#3b82f6;--color-secondary:#64748b;--color-secondary-dark:#475569;--color-accent:#0891b2;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-bg-primary:#ffffff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--font-primary:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-heading:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--spacing-4xl:6rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-full:9999px;--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);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--transition-fast:150ms ease;--transition-base:250ms ease;--transition-slow:350ms ease;--container-max-width:1280px;--container-padding:var(--spacing-lg)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-primary);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary);margin-bottom:var(--spacing-md)}h1{font-size:var(--font-size-5xl)}h2{font-size:var(--font-size-4xl)}h3{font-size:var(--font-size-3xl)}h4{font-size:var(--font-size-2xl)}h5{font-size:var(--font-size-xl)}h6{font-size:var(--font-size-lg)}p{margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--container-padding)}.container-fluid{width:100%;padding:0 var(--container-padding)}.header{background:var(--color-bg-primary);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-content{display:flex;align-items:center;justify-content:space-between}.logo{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-primary);display:flex;align-items:center;gap:var(--spacing-sm)}.logo:hover{color:var(--color-primary-dark)}.logo-img{height:6rem;width:auto;display:block}.nav{display:flex;align-items:center;gap:2.25rem}.nav-link{font-weight:var(--font-weight-medium);color:var(--color-text-secondary);padding:var(--spacing-sm) 0;position:relative}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-link.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--color-primary)}.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:var(--spacing-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.75rem 1.5rem;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:1;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-primary{background:var(--color-primary);color:white}.btn-primary:hover{background:var(--color-primary-dark);color:white;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-secondary:hover{background:var(--color-primary);color:white}.btn-outline{background:transparent;color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-outline:hover{background:var(--color-bg-secondary);border-color:var(--color-text-secondary)}.btn-lg{padding:1rem 2rem;font-size:var(--font-size-lg)}.btn-sm{padding:.5rem 1rem;font-size:var(--font-size-sm)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.card-body{padding:var(--spacing-lg)}.card-footer{padding:var(--spacing-lg);border-top:1px solid var(--color-border);background:var(--color-bg-secondary)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-weight:var(--font-weight-medium);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.form-label.required::after{content:' *';color:var(--color-error)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;font-size:var(--font-size-base);font-family:inherit;color:var(--color-text-primary);background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.form-textarea{resize:vertical;min-height:120px}.form-error{color:var(--color-error);font-size:var(--font-size-sm);margin-top:var(--spacing-xs)}.form-help{color:var(--color-text-muted);font-size:var(--font-size-sm);margin-top:var(--spacing-xs)}.grid{display:grid;gap:var(--spacing-lg)}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.grid-cols-6{grid-template-columns:repeat(6,1fr)}.hero{position:relative;min-height:600px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background-image:url('../images/hero-lab-bg.webp');background-size:cover;background-position:center;background-repeat:no-repeat}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(15,23,42,.88) 0%,rgba(30,58,138,.85) 50%,rgba(37,99,235,.82) 100%);z-index:1}.hero::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px);background-size:40px 40px;z-index:1}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.hero-background img{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(15,23,42,.85) 0%,rgba(30,64,175,.75) 100%);z-index:1}.hero-content{position:relative;z-index:2;max-width:900px;padding:var(--spacing-2xl) var(--spacing-lg);animation:fadeInUp .8s ease-out}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-title{font-size:var(--font-size-5xl);color:white;margin-bottom:var(--spacing-lg);text-shadow:0 2px 4px rgba(0,0,0,.3)}.hero-subtitle{font-size:var(--font-size-xl);color:rgba(255,255,255,.95);margin-bottom:var(--spacing-2xl);line-height:var(--line-height-relaxed)}.hero-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.hero .btn-secondary{color:white;border-color:white}.hero .btn-secondary:hover{background:white;color:#000;border-color:white}.section{padding:var(--spacing-3xl) 0}.section-header{text-align:center;margin-bottom:var(--spacing-3xl)}.section-title{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-md)}.section-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:700px;margin:0 auto}.section-alt{background:linear-gradient(135deg,#f8fafc 0%,#e0e7ff 100%)}.section-cta{background:linear-gradient(180deg,#ffffff 0%,#eff6ff 100%);border-top:1px solid rgba(59,130,246,.15)}.trust-badges{display:flex;gap:var(--spacing-2xl);justify-content:center;flex-wrap:wrap;margin-top:var(--spacing-2xl)}.trust-badge{display:flex;align-items:center;gap:var(--spacing-sm);color:rgba(255,255,255,.95);font-weight:var(--font-weight-medium)}.trust-badge svg{width:24px;height:24px}.feature-card{text-align:center;padding:var(--spacing-xl)}.feature-icon{width:64px;height:64px;margin:0 auto var(--spacing-lg);display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));border-radius:var(--radius-xl);color:white}.feature-icon svg{width:32px;height:32px}.feature-title{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}.feature-description{color:var(--color-text-secondary)}.table-container{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--color-bg-primary)}.table{width:100%;border-collapse:collapse;background:var(--color-bg-primary)}.table thead{background:linear-gradient(135deg,#f8fafc 0%,#eef2ff 100%);position:sticky;top:0;z-index:10}.table th{padding:var(--spacing-md) var(--spacing-lg);text-align:left;font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);color:var(--color-text-primary);text-transform:uppercase;letter-spacing:.025em;border-bottom:2px solid var(--color-primary)}.table td{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border-light);vertical-align:middle}.table tbody tr{transition:all var(--transition-fast)}.table tbody tr:hover{background:var(--color-bg-secondary);box-shadow:inset 0 0 0 1px var(--color-border)}.table tbody tr:last-child td{border-bottom:none}.table img{display:block;transition:transform var(--transition-base)}.table img:hover{transform:scale(1.1)}.card a:hover img{transform:scale(1.05)}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-full)}.badge-primary{background:rgba(37,99,235,.1);color:var(--color-primary)}.badge-success{background:rgba(16,185,129,.1);color:var(--color-success)}.badge-warning{background:rgba(245,158,11,.1);color:var(--color-warning)}.badge-error{background:rgba(239,68,68,.1);color:var(--color-error)}.pagination{display:flex;gap:var(--spacing-sm);justify-content:center;align-items:center;margin-top:var(--spacing-2xl)}.pagination-link{padding:.5rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-weight:var(--font-weight-medium);transition:all var(--transition-fast)}.pagination-link:hover{background:var(--color-bg-secondary);border-color:var(--color-primary);color:var(--color-primary)}.pagination-link.active{background:var(--color-primary);border:2px solid var(--color-primary);box-shadow:0 0 0 2px rgba(59,130,246,.2);color:white}.pagination-ellipsis{padding:.5rem;color:var(--color-text-muted)}.footer{background:var(--color-text-primary);color:white;padding:var(--spacing-3xl) 0 var(--spacing-xl)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl)}.footer-section h4{color:white;margin-bottom:var(--spacing-md)}.footer-section p{color:white}.footer-links{list-style:none}.footer-links li{margin-bottom:var(--spacing-sm)}.footer-links a{color:white}.footer-links a:hover{color:rgba(255,255,255,.8)}.footer-bottom{padding-top:var(--spacing-xl);border-top:1px solid rgba(255,255,255,.1);text-align:center;color:rgba(255,255,255,.9)}.footer-bottom p{color:rgba(255,255,255,.9)}.footer-bottom a{color:rgba(255,255,255,.9)}.footer-bottom a:hover{color:#fff}.footer input::placeholder{color:rgba(255,255,255,.6)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-0{margin-top:0}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mt-2xl{margin-top:var(--spacing-2xl)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.mb-2xl{margin-bottom:var(--spacing-2xl)}.hidden{display:none}@media (max-width:768px){:root{--font-size-5xl:2rem;--font-size-4xl:1.75rem;--font-size-3xl:1.5rem}.nav{display:none}.mobile-menu-toggle{display:block}.grid-cols-2,.grid-cols-3,.grid-cols-4,.grid-cols-6{grid-template-columns:1fr}.hero{min-height:500px}.hero-actions{flex-direction:column}.section{padding:var(--spacing-2xl) 0}.table thead{display:none}.table tbody tr{display:block;margin-bottom:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.table td{display:block;text-align:right;padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--color-border-light)}.table td:last-child{border-bottom:none}.table td::before{content:attr(data-label);float:left;font-weight:var(--font-weight-semibold);color:var(--color-text-secondary)}.table td:first-child{text-align:center;padding:var(--spacing-md);background:var(--color-bg-secondary)}.table td:first-child::before{display:none}}@media (min-width:769px) and (max-width:1024px){.grid-cols-3,.grid-cols-4,.grid-cols-6{grid-template-columns:repeat(2,1fr)}}