:root{--nt-primary:#6366f1;--nt-secondary:#8b5cf6;--nt-accent:#f59e0b;--nt-bg:#ffffff;--nt-text:#1f2937;--nt-heading:#111827;--nt-link:#6366f1;--nt-btn-bg:#6366f1;--nt-btn-text:#ffffff;--nt-btn-hover:#4f46e5;--nt-card-bg:#ffffff;--nt-border:#e5e7eb;--nt-footer-bg:#111827;--nt-footer-text:#f9fafb;--nt-radius:12px;--nt-shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--nt-shadow-lg:0 10px 25px rgba(0,0,0,.1);--nt-transition:.3s ease;--nt-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--nt-font);font-size:16px;line-height:1.6;color:var(--nt-text);background:var(--nt-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--nt-link);text-decoration:none;transition:color var(--nt-transition)}
a:hover{color:var(--nt-btn-hover)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:var(--nt-heading);font-weight:700;line-height:1.3;margin-bottom:.5em}
p{margin-bottom:1em}
.nt-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.nt-container-wide{max-width:1400px}
.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}
.nt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--nt-radius);font-weight:600;font-size:15px;line-height:1;border:2px solid transparent;cursor:pointer;transition:all var(--nt-transition);text-decoration:none;white-space:nowrap}
.nt-btn-primary{background:var(--nt-btn-bg);color:var(--nt-btn-text);border-color:var(--nt-btn-bg)}
.nt-btn-primary:hover{background:var(--nt-btn-hover);border-color:var(--nt-btn-hover);color:var(--nt-btn-text)}
.nt-btn-outline{background:transparent;color:var(--nt-primary);border-color:var(--nt-primary)}
.nt-btn-outline:hover{background:var(--nt-primary);color:#fff}
.nt-btn-link{background:transparent;color:var(--nt-primary);padding:0;border:none}
.nt-btn-link:hover{color:var(--nt-btn-hover)}
.nt-btn-sm{padding:8px 16px;font-size:13px}
.nt-btn-lg{padding:16px 32px;font-size:17px}
.nt-section{padding:80px 0}
.nt-bg-light{background:#f9fafb}
.nt-section-header{text-align:center;margin-bottom:48px;display:flex;flex-direction:column;align-items:center}
.nt-section-title{font-size:32px;font-weight:800;margin-bottom:12px}
.nt-section-header .nt-btn-link{font-size:16px;font-weight:500}
.nt-header{background:#fff;border-bottom:1px solid var(--nt-border);position:relative;z-index:100}
.nt-header.nt-sticky{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.nt-header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.nt-logo{flex-shrink:0}
.nt-logo img,.nt-logo-text img{display:block}
.nt-nav{display:flex;align-items:center;flex:1;justify-content:center}
.nt-menu{display:flex;align-items:center;gap:4px}
.nt-menu li{position:relative}
.nt-menu a{display:flex;align-items:center;padding:8px 16px;color:var(--nt-text);font-weight:500;font-size:15px;border-radius:8px;transition:all var(--nt-transition)}
.nt-menu a:hover{background:#f3f4f6;color:var(--nt-primary)}
.nt-menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nt-menu-toggle span{display:block;width:24px;height:2px;background:var(--nt-text);border-radius:2px;transition:all var(--nt-transition)}
.nt-header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nt-search-trigger{background:none;border:none;cursor:pointer;padding:8px;color:var(--nt-text);display:flex;align-items:center}
.nt-search-trigger:hover{color:var(--nt-primary)}
.nt-search-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:9999;align-items:center;justify-content:center}
.nt-search-overlay.active{display:flex}
.nt-search-modal{background:#fff;border-radius:var(--nt-radius);padding:40px;width:90%;max-width:600px;position:relative;box-shadow:var(--nt-shadow-lg)}
.nt-search-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:28px;cursor:pointer;color:var(--nt-text)}
.nt-search-modal form{display:flex;gap:12px}
.nt-search-input{flex:1;padding:14px 18px;border:2px solid var(--nt-border);border-radius:8px;font-size:16px;outline:none;transition:border-color var(--nt-transition)}
.nt-search-input:focus{border-color:var(--nt-primary)}
.nt-hero{background:linear-gradient(135deg,#eef2ff 0%,#f5f3ff 100%);padding:100px 0 80px;overflow:hidden}
.nt-hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.nt-hero-title{font-size:48px;font-weight:800;line-height:1.15;margin-bottom:16px;color:var(--nt-heading)}
.nt-hero-subtitle{font-size:18px;color:#6b7280;margin-bottom:32px;max-width:540px;line-height:1.7}
.nt-hero-actions{display:flex;gap:16px;margin-bottom:32px}
.nt-hero-search form{display:flex;gap:0;max-width:480px;background:#fff;border-radius:50px;box-shadow:var(--nt-shadow);overflow:hidden;border:1px solid var(--nt-border)}
.nt-hero-search-icon{flex-shrink:0;padding:0 16px;display:flex;align-items:center;color:#9ca3af}
.nt-hero-search-input{flex:1;padding:16px 0 16px 16px;border:none;outline:none;font-size:15px}
.nt-hero-search .nt-btn{border-radius:0 50px 50px 0;padding:16px 28px}
.nt-hero-image{display:flex;align-items:center;justify-content:center}
.nt-hero-image img{max-width:100%;height:auto}
.nt-tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nt-tool-card{display:flex;align-items:flex-start;gap:16px;padding:20px;background:var(--nt-card-bg);border:1px solid var(--nt-border);border-radius:var(--nt-radius);box-shadow:var(--nt-shadow);transition:all var(--nt-transition);position:relative}
.nt-tool-card:hover{border-color:var(--nt-primary);box-shadow:var(--nt-shadow-lg);transform:translateY(-2px)}
.nt-tool-card-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#eef2ff;border-radius:10px}
.nt-tool-card-icon img{width:28px;height:28px}
.nt-tool-card-body{flex:1;min-width:0}
.nt-tool-card-title{font-size:15px;font-weight:600;margin-bottom:4px;color:var(--nt-heading)}
.nt-tool-card-desc{font-size:13px;color:#6b7280;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nt-tool-card-cat{display:inline-block;font-size:11px;font-weight:600;color:var(--nt-primary);background:#eef2ff;padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}
.nt-tool-card-arrow{flex-shrink:0;color:#d1d5db;transition:color var(--nt-transition);margin-top:4px}
.nt-tool-card:hover .nt-tool-card-arrow{color:var(--nt-primary)}
.nt-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nt-cat-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:32px 20px;background:var(--nt-card-bg);border:1px solid var(--nt-border);border-radius:var(--nt-radius);transition:all var(--nt-transition)}
.nt-cat-card:hover{border-color:var(--nt-primary);box-shadow:var(--nt-shadow-lg);transform:translateY(-2px)}
.nt-cat-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:#eef2ff;border-radius:14px;margin-bottom:16px;color:var(--nt-primary)}
.nt-cat-name{font-size:16px;font-weight:600;margin-bottom:4px}
.nt-cat-count{font-size:13px;color:#6b7280}
.nt-features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.nt-feature-card{text-align:center;padding:32px 20px;border-radius:var(--nt-radius);background:var(--nt-card-bg);border:1px solid var(--nt-border);transition:all var(--nt-transition)}
.nt-feature-card:hover{box-shadow:var(--nt-shadow-lg)}
.nt-feature-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#f5f3ff);border-radius:16px;margin:0 auto 16px;color:var(--nt-primary)}
.nt-feature-card h3{font-size:18px;margin-bottom:8px}
.nt-feature-card p{font-size:14px;color:#6b7280;line-height:1.6}
.nt-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.nt-step{text-align:center;padding:32px 20px;position:relative}
.nt-step-num{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--nt-primary);color:#fff;font-size:20px;font-weight:700;border-radius:50%;margin:0 auto 16px}
.nt-step h3{font-size:18px;margin-bottom:8px}
.nt-step p{font-size:14px;color:#6b7280;line-height:1.6}
.nt-faq-list{max-width:768px;margin:0 auto}
.nt-faq-item{border:1px solid var(--nt-border);border-radius:var(--nt-radius);margin-bottom:12px;overflow:hidden}
.nt-faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#fff;border:none;cursor:pointer;font-size:16px;font-weight:500;color:var(--nt-heading);text-align:left;transition:background var(--nt-transition)}
.nt-faq-question:hover{background:#f9fafb}
.nt-faq-question svg{transition:transform var(--nt-transition);flex-shrink:0}
.nt-faq-question[aria-expanded="true"] svg{transform:rotate(180deg)}
.nt-faq-answer{display:none;padding:0 20px 16px;font-size:15px;color:#6b7280;line-height:1.7}
.nt-faq-answer.active{display:block}
.nt-cta-box{background:linear-gradient(135deg,var(--nt-primary),var(--nt-secondary));border-radius:20px;padding:64px;text-align:center;color:#fff}
.nt-cta-title{font-size:36px;font-weight:800;color:#fff;margin-bottom:12px}
.nt-cta-desc{font-size:18px;opacity:.9;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}
.nt-cta-box .nt-btn-primary{background:#fff;color:var(--nt-primary);border-color:#fff}
.nt-cta-box .nt-btn-primary:hover{background:transparent;color:#fff;border-color:#fff}
.nt-footer{background:var(--nt-footer-bg);color:var(--nt-footer-text)}
.nt-footer-main{padding:60px 0 40px}
.nt-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.nt-footer-brand-name{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px}
.nt-footer-desc{font-size:14px;color:#9ca3af;line-height:1.6;margin-bottom:20px;max-width:300px}
.nt-social-links{display:flex;gap:12px}
.nt-social-link{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:8px;color:#9ca3af;transition:all var(--nt-transition)}
.nt-social-link:hover{background:var(--nt-primary);color:#fff}
.nt-footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.nt-footer-links{display:flex;flex-direction:column;gap:10px}
.nt-footer-links a{color:#9ca3af;font-size:14px;transition:color var(--nt-transition)}
.nt-footer-links a:hover{color:#fff}
.nt-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.nt-footer-bottom-inner{display:flex;align-items:center;justify-content:space-between}
.nt-copyright{font-size:14px;color:#9ca3af;margin:0}
.nt-back-to-top{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:none;border-radius:8px;color:#9ca3af;cursor:pointer;transition:all var(--nt-transition)}
.nt-back-to-top:hover{background:var(--nt-primary);color:#fff}
.nt-breadcrumbs{background:#f9fafb;padding:12px 0;font-size:14px}
.nt-breadcrumbs ul{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nt-breadcrumbs li{display:flex;align-items:center;gap:8px;color:#6b7280}
.nt-breadcrumbs li:not(:last-child)::after{content:'/';color:#d1d5db;font-size:12px}
.nt-breadcrumbs a{color:var(--nt-primary)}
.nt-breadcrumbs .current{color:#6b7280;font-weight:500}
.nt-content-area{padding:40px 0 60px}
.nt-page-title{font-size:36px;margin-bottom:24px}
.nt-post-title{font-size:32px;margin-bottom:16px}
.nt-post-meta{display:flex;gap:16px;align-items:center;font-size:14px;color:#6b7280;margin-bottom:24px;flex-wrap:wrap}
.nt-post-thumbnail{margin-bottom:24px;border-radius:var(--nt-radius);overflow:hidden}
.nt-entry-content{font-size:16px;line-height:1.8}
.nt-entry-content p{margin-bottom:1.2em}
.nt-entry-content h2,.nt-entry-content h3{margin-top:1.5em}
.nt-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.nt-post-card{border:1px solid var(--nt-border);border-radius:var(--nt-radius);overflow:hidden;transition:all var(--nt-transition);background:#fff}
.nt-post-card:hover{box-shadow:var(--nt-shadow-lg);transform:translateY(-2px)}
.nt-post-thumb-link{display:block;overflow:hidden}
.nt-post-thumb-link img{width:100%;height:200px;object-fit:cover;transition:transform var(--nt-transition)}
.nt-post-card:hover .nt-post-thumb-link img{transform:scale(1.05)}
.nt-post-card-body{padding:20px}
.nt-post-cat{display:inline-block;font-size:12px;font-weight:600;color:var(--nt-primary);background:#eef2ff;padding:2px 10px;border-radius:4px;margin-bottom:8px}
.nt-post-card-title{font-size:18px;margin-bottom:8px}
.nt-post-card-title a{color:var(--nt-heading)}
.nt-post-card-title a:hover{color:var(--nt-primary)}
.nt-post-card-excerpt{font-size:14px;color:#6b7280;line-height:1.5;margin-bottom:12px}
.nt-post-card-meta{display:flex;gap:12px;font-size:13px;color:#9ca3af}
.nt-pagination{display:flex;justify-content:center;margin-top:40px}
.nt-pagination ul{display:flex;gap:8px}
.nt-pagination a,.nt-pagination span{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--nt-border);border-radius:8px;font-size:14px;font-weight:500;transition:all var(--nt-transition)}
.nt-pagination a:hover{background:var(--nt-primary);color:#fff;border-color:var(--nt-primary)}
.nt-pagination .current{background:var(--nt-primary);color:#fff;border-color:var(--nt-primary)}
.nt-layout-with-sidebar{display:grid;grid-template-columns:1fr 300px;gap:40px}
.nt-sidebar .widget{padding:24px;background:#fff;border:1px solid var(--nt-border);border-radius:var(--nt-radius);margin-bottom:24px}
.nt-sidebar .widget-title{font-size:18px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--nt-primary)}
.nt-archive-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.nt-filter-btn{padding:8px 16px;border:1px solid var(--nt-border);border-radius:8px;background:#fff;cursor:pointer;font-size:14px;font-weight:500;transition:all var(--nt-transition)}
.nt-filter-btn.active,.nt-filter-btn:hover{background:var(--nt-primary);color:#fff;border-color:var(--nt-primary)}
.nt-error-404{text-align:center;padding:100px 0}
.nt-404-number{font-size:120px;font-weight:800;color:var(--nt-primary);line-height:1;display:block;margin-bottom:16px}
.nt-error-404 h1{font-size:36px;margin-bottom:12px}
.nt-error-404 p{color:#6b7280;margin-bottom:24px}
.nt-404-actions{display:flex;gap:16px;justify-content:center;margin-bottom:32px}
.nt-error-404 .search-form{display:flex;gap:12px;max-width:400px;margin:0 auto}
.nt-error-404 .search-form input{padding:12px 16px;border:2px solid var(--nt-border);border-radius:8px;flex:1;outline:none}
.nt-error-404 .search-form input:focus{border-color:var(--nt-primary)}
.nt-no-results{text-align:center;padding:80px 0}
.nt-no-results h2{margin-bottom:12px}
.nt-no-results p{color:#6b7280;margin-bottom:24px}
.nt-no-results .search-form{display:flex;gap:12px;max-width:400px;margin:0 auto}
.nt-no-results .search-form input{padding:12px 16px;border:2px solid var(--nt-border);border-radius:8px;flex:1;outline:none}
.nt-tool-archive .nt-archive-header{text-align:center;margin-bottom:32px}
.nt-tool-article{margin-bottom:40px}
.nt-grid-3{grid-template-columns:repeat(3,1fr)}
.nt-grid-4{grid-template-columns:repeat(4,1fr)}