:root{--w-outer:1280px;--w-inner:960px;--blue-accent:#2563eb;--text-dark:#1f2937;--text-gray:#6b7280;--bg-page:#f9fafb;--bg-card:#fff;--border:#e5e7eb}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-page);color:var(--text-dark);flex-direction:column;min-height:100vh;font-family:Manrope,sans-serif;line-height:1.5;display:flex}body.menu-open,html.fullscreen-lock,body.fullscreen-lock{overflow:hidden}a{color:inherit;text-decoration:none;transition:all .2s}ul,ol{list-style:none}.logo-wrapper{z-index:1001;align-items:center;gap:10px;text-decoration:none;display:flex}.logo-icon{background:conic-gradient(#ff3b30,#ff9500,#fc0,#4cd964,#5ac8fa,#007aff,#5856d6,#ff2d55,#ff3b30);border-radius:8px;flex-shrink:0;width:30px;height:30px;box-shadow:0 2px 5px #0000001a}.logo-text{letter-spacing:-.5px;color:var(--text-dark);font-size:1.25rem;font-weight:800}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);z-index:1000;height:72px;position:sticky;top:0}.header-container{max-width:var(--w-outer);justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 24px;display:flex}.nav-group{align-items:center;gap:18px;display:flex}.nav-dropdown{margin-bottom:-8px;padding-bottom:8px;position:relative}.nav-dropdown-trigger{color:var(--text-dark);cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:0;font-family:Manrope,sans-serif;font-size:.9rem;font-weight:600;display:inline-flex}.nav-dropdown-trigger:hover,.nav-dropdown.active .nav-dropdown-trigger,.nav-dropdown-trigger.active{color:var(--text-dark)}.nav-caret{font-size:.78rem;transition:transform .2s}.nav-dropdown:hover .nav-caret,.nav-dropdown.open .nav-caret{transform:rotate(180deg)}.nav-dropdown-menu{border:1px solid var(--border);opacity:0;visibility:hidden;z-index:1005;background:#fff;border-radius:10px;flex-direction:column;min-width:240px;max-height:420px;padding:10px 0;transition:opacity .18s,transform .18s,visibility .18s;display:flex;position:absolute;top:calc(100% + 6px);left:0;overflow-y:auto;transform:translateY(8px);box-shadow:0 18px 30px #0f172a14}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.nav-dropdown-menu-compact{min-width:220px}.nav-link{color:var(--text-gray);font-size:.9rem;font-weight:600}.dropdown-link{width:100%;color:var(--text-dark);padding:10px 16px;display:block}.nav-link:hover{color:var(--blue-accent);background:#2563eb0a}.nav-link.active{color:var(--blue-accent)}.divider{background:var(--border);width:1px;height:24px;margin:0 10px}.header-color-btn{border:1px solid #0000001a;border-radius:4px;width:24px;height:24px;transition:transform .2s;display:block}.header-color-btn:hover{border-color:var(--text-gray);transform:scale(1.2)}.mobile-color-row{align-items:center;gap:15px;padding:15px 24px;display:flex}.mobile-menu-btn{cursor:pointer;color:var(--text-dark);background:0 0;border:none;padding:5px;font-size:1.5rem;display:none}main{flex:1;width:100%}.site-breadcrumbs{background:#fff;border-bottom:1px solid #eef2f7}.breadcrumb-container{max-width:var(--w-outer);margin:0 auto;padding:12px 24px}.breadcrumb-list{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.breadcrumb-item{color:var(--text-gray);align-items:center;gap:8px;font-size:.88rem;display:inline-flex}.breadcrumb-item:not(:last-child):after{content:"/";color:#cbd5e1}.breadcrumb-item a:hover{color:var(--text-dark)}.breadcrumb-item.current span{color:var(--text-dark);font-weight:700}.content-container{width:var(--w-inner);margin:0 auto;padding:60px 0}.hero-visual{flex-direction:column;justify-content:center;align-items:center;height:300px;display:flex}.monitor-frame{z-index:2;background:#111827;border-radius:12px;width:320px;height:200px;padding:8px;position:relative;box-shadow:0 20px 40px -10px #00000026}.monitor-screen{background:linear-gradient(-45deg,#ee7752,#e73c7e,#23a6d5,#23d5ab) 0 0/400% 400%;border-radius:4px;width:100%;height:100%;animation:8s infinite gradientBG;position:relative;overflow:hidden}.monitor-screen:after{content:"";background:linear-gradient(to bottom right,#fff3 0%,#0000 40%);width:200%;height:200%;position:absolute;top:-50%;left:-50%;transform:rotate(30deg)}.monitor-stand-neck{z-index:1;background:#d1d5db;width:60px;height:40px;margin-top:-5px;position:relative}.monitor-stand-base{background:#e5e7eb;border-radius:10px;width:120px;height:12px;box-shadow:0 4px 6px -1px #0000001a}@keyframes gradientBG{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.download-section{border:1px solid var(--border);text-align:center;background:#fff;border-radius:12px;max-width:800px;margin:0 auto 60px;padding:30px}.download-title{color:var(--text-dark);margin-bottom:20px;font-weight:700;display:block}.download-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;display:grid}.btn-download{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:14px 16px;font-family:Manrope,sans-serif;font-size:1rem;font-weight:700;display:inline-flex}.btn-download:hover{background:var(--blue-accent);color:#fff;border-color:var(--blue-accent)}.btn-download:disabled{opacity:.9;cursor:progress}.btn-download span{opacity:.7;font-size:.8em;font-weight:400}.color-block-grid{flex-wrap:wrap;justify-content:center;gap:20px;margin-bottom:60px;display:flex}.big-color-block{cursor:pointer;border:1px solid #0000001a;border-radius:16px;width:80px;height:80px;transition:transform .2s;box-shadow:0 4px 6px #0000000d}.big-color-block:hover{transform:translateY(-5px)scale(1.05)}.info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-bottom:30px;padding:40px}.info-card h3{color:var(--text-dark);border-bottom:1px solid #f3f4f6;margin-bottom:20px;padding-bottom:15px;font-size:1.25rem;font-weight:700}.custom-list li{color:var(--text-gray);margin-bottom:12px;padding-left:24px;position:relative}.custom-list li:before{content:"•";color:var(--blue-accent);font-size:1.2rem;font-weight:700;line-height:1.5;position:absolute;left:0}.custom-list strong{color:var(--text-dark)}.num-list{counter-reset:steps}.num-list li{color:var(--text-gray);margin-bottom:16px;padding-left:30px;font-size:1rem;position:relative}.num-list li:before{counter-increment:steps;content:counter(steps) ".";color:var(--blue-accent);font-size:1.1rem;font-weight:800;position:absolute;left:0}.num-list 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.faq-question:after{color:var(--blue-accent);transform:rotate(45deg)}.faq-answer{color:var(--text-gray);border-top:1px solid #f3f4f6;margin-top:0;padding:15px 20px 20px;font-size:.95rem;line-height:1.6}.site-footer{color:#e5e7eb;background:#111827;margin-top:auto;padding:60px 0 30px}.footer-container{max-width:var(--w-outer);grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin:0 auto;padding:0 24px;display:grid}.footer-logo-text{color:#fff}.footer-copy{color:#6b7280;margin-top:15px;font-size:.9rem}.footer-col h4{color:#9ca3af;text-transform:uppercase;letter-spacing:.5px;margin-bottom:20px;font-size:.85rem;font-weight:700}.footer-col ul li{margin-bottom:12px}.footer-col a{color:#d1d5db;font-size:.9rem}.footer-col a:hover{color:#fff;text-decoration:underline}.footer-bottom{max-width:var(--w-outer);color:#6b7280;border-top:1px solid #374151;justify-content:flex-start;gap:12px;margin:60px auto 0;padding:20px 24px 0;font-size:.85rem;display:flex}.footer-badges{max-width:var(--w-outer);flex-wrap:wrap;justify-content:flex-start;align-items:flex-start;gap:14px;margin:48px auto 0;padding:0 24px;display:flex}.footer-badge-link{justify-content:flex-start;align-items:center;display:inline-flex}.footer-badge-link img{max-width:100%;height:auto;display:block}.fullscreen-overlay{z-index:9999;cursor:pointer;display:none;position:fixed;inset:0}.exit-hint{text-align:center;pointer-events:none;opacity:0;width:100%;font-family:Manrope,sans-serif;transition:opacity .5s;position:absolute;bottom:50px}.home-page .hero{grid-template-columns:1.2fr 1fr;align-items:center;gap:60px;margin-bottom:80px;display:grid}.home-page .hero-copy h1{color:var(--text-dark);margin-bottom:20px;font-size:2.8rem;font-weight:800;line-height:1.15}.home-page .hero-copy p{color:var(--text-gray);max-width:460px;margin-bottom:0;font-size:1.05rem}.home-page .section-header{color:var(--text-dark);margin-bottom:30px;font-size:1.5rem;font-weight:700;line-height:1.2}.home-page .tools-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;margin-bottom:80px;display:grid}.home-page .tools-grid-info{margin-bottom:80px}.home-page .tool-card{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;align-items:flex-start;gap:20px;padding:24px;transition:all .2s;display:flex}.home-page .tool-card:hover{border-color:var(--blue-accent);transform:translateY(-2px);box-shadow:0 10px 20px #0000000a}.home-page .tool-emoji{filter:grayscale(.1);font-size:2.2rem;line-height:1;transition:all .2s}.home-page .tool-card:hover .tool-emoji{filter:grayscale(0);transform:scale(1.1)}.home-page .tool-card{gap:18px;padding:26px 24px}.home-page .tool-badge{background:linear-gradient(#f8fafc 0%,#eef2f7 100%);border:1px solid #d7dee8;border-radius:16px;justify-content:center;align-items:center;width:60px;min-width:60px;height:60px;transition:transform .2s,border-color .2s,background .2s;display:flex;box-shadow:inset 0 1px #ffffffe6}.home-page .tool-badge svg{color:#111827;stroke-width:1.9px;width:24px;height:24px;display:block}.home-page .tool-card:hover .tool-badge{background:linear-gradient(#fff 0%,#f2f6fb 100%);border-color:#c5d2e4;transform:translateY(-1px)scale(1.03)}.home-page .tool-content h3{margin-bottom:6px;font-size:1.1rem;font-weight:700}.home-page .tool-content p{color:var(--text-gray);font-size:.9rem}.home-page .color-grid-fixed{background:0 0;grid-template-columns:repeat(auto-fill,86px);justify-content:start;gap:4px;margin-bottom:80px;display:grid}.home-page .popular-colors-grid{margin-bottom:50px}.home-page .color-strip-link{border:none;border-radius:2px;width:100%;height:120px;transition:transform .2s cubic-bezier(.2,.8,.2,1);display:block;position:relative}.home-page .color-strip-link:hover{z-index:10;border-radius:4px;transform:scale(1.15);box-shadow:0 5px 15px #0003}.home-page .color-strip-link:after{content:attr(data-name);color:#fff;white-space:nowrap;opacity:0;pointer-events:none;background:#111827;border-radius:6px;padding:6px 10px;font-size:.8rem;position:absolute;bottom:-34px;left:50%;transform:translate(-50%)}.home-page .color-strip-link:hover:after{opacity:1}.home-page .features-list{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:80px;display:grid}.home-page .feature-card{background:#f8fafc;border:1px solid #e6ebf2;border-radius:12px;align-items:flex-start;gap:14px;padding:22px;display:flex}.home-page .feature-icon-box{flex-shrink:0;justify-content:center;align-items:center;width:36px;min-width:36px;height:36px;margin-top:1px;font-size:1.25rem;line-height:1;display:flex}.home-page .feature-text h4{margin-bottom:6px;font-size:1.05rem;font-weight:700}.home-page .feature-text p{color:var(--text-gray);font-size:.9rem;line-height:1.5}.home-page .faq-section{flex-direction:column;gap:12px;margin-bottom:60px;display:flex}.color-page .test-hero{text-align:center;margin-bottom:80px}.color-page .test-hero h1{color:var(--text-dark);margin-bottom:20px;font-size:2.8rem;font-weight:800;line-height:1.15}.color-page .test-hero p{color:var(--text-gray);max-width:700px;margin:0 auto 40px;font-size:1.1rem}.color-page .btn-start{background:var(--text-dark);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-bottom:50px;padding:16px 40px;font-family:Manrope,sans-serif;font-size:1.1rem;font-weight:700;display:inline-block}.color-page .btn-start:hover{opacity:.9}.color-page .color-preview-card{border:1px solid var(--border);cursor:pointer;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;max-width:600px;height:280px;margin:0 auto 30px;transition:all .2s;display:flex;position:relative;box-shadow:0 20px 40px -10px #0000000d}.color-page .color-preview-card:hover{transform:translateY(-4px);box-shadow:0 25px 50px -12px #2563eb1a}.color-page .preview-text{text-transform:uppercase;letter-spacing:1px;font-size:1.1rem;font-weight:700}.color-page .preview-sub{margin-top:5px;font-size:.9rem}.color-page .section-header{color:var(--text-dark);text-align:center;margin-top:60px;margin-bottom:30px;font-size:1.5rem;font-weight:700}.color-page .faq-section{flex-direction:column;gap:12px;max-width:800px;margin-bottom:60px;margin-left:auto;margin-right:auto;display:flex}.tool-page .section-header{color:var(--text-dark);text-align:center;margin-bottom:30px;font-size:1.5rem;font-weight:700}.tool-page .tool-test-hero{text-align:center;margin-bottom:80px}.tool-page .tool-test-hero h1{color:var(--text-dark);margin-bottom:20px;font-size:2.8rem;font-weight:800;line-height:1.15}.tool-page .tool-test-hero p{color:var(--text-gray);max-width:700px;margin:0 auto 40px;font-size:1.1rem}.tool-page .section-header{margin:64px 0 24px}.tool-page .tool-test-hero+.section-header{margin-top:0}.tool-page .tool-test-hero{margin-bottom:88px}.dead-pixel-page{--accent-green:#10b981;--accent-red:#e53e3e}.dead-pixel-page .start-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;max-width:600px;margin:0 auto 30px;padding:60px 20px;transition:transform .2s;box-shadow:0 10px 30px -10px #2563eb26}.dead-pixel-page .start-card:hover{transform:translateY(-2px)}.dead-pixel-page .btn-start{background:var(--blue-accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:16px 40px;font-family:Manrope,sans-serif;font-size:1.2rem;font-weight:700;transition:background .2s;display:inline-block;box-shadow:0 4px 6px #2563eb4d}.dead-pixel-page .btn-start:hover{background:#1d4ed8}.dead-pixel-page .test-hint{color:var(--text-gray);margin-top:15px;font-size:.9rem}.dead-pixel-page .steps-grid{grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:80px;display:grid}.dead-pixel-page .step-card{border:1px solid var(--border);background:#fff;border-radius:8px;gap:15px;padding:24px;display:flex}.dead-pixel-page .step-num{color:var(--blue-accent);min-width:30px;font-size:1.5rem;font-weight:800;line-height:1}.dead-pixel-page .step-content{color:var(--text-gray);font-size:.95rem}.dead-pixel-page .step-content strong{color:var(--text-dark);margin-bottom:5px;display:block}.dead-pixel-page .visual-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:80px;display:grid}.dead-pixel-page .visual-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;transition:all .2s;overflow:hidden}.dead-pixel-page .visual-card:hover{border-color:var(--blue-accent)}.dead-pixel-page .visual-img-box{border-bottom:1px solid var(--border);justify-content:center;align-items:center;height:160px;display:flex;position:relative}.dead-pixel-page .screen-mock{width:100%;height:100%;position:relative}.dead-pixel-page .pixel-spot{width:14px;height:14px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 3px #7d7d7d4d}.dead-pixel-page .mock-white{background:#fff}.dead-pixel-page .dead-spot{background:#000}.dead-pixel-page .mock-dark{background:#1f2937}.dead-pixel-page .stuck-spot{background:#0f0;box-shadow:0 0 10px #0f0}.dead-pixel-page .mock-black{background:#000}.dead-pixel-page .hot-spot{background:#fff;box-shadow:0 0 5px #fff}.dead-pixel-page .visual-content{text-align:center;padding:20px}.dead-pixel-page .visual-content h3{margin-bottom:8px;font-size:1.1rem;font-weight:700}.dead-pixel-page .visual-content p{color:var(--text-gray);font-size:.9rem;line-height:1.5}.dead-pixel-page .text-green{color:var(--accent-green)}.dead-pixel-page .text-red{color:var(--accent-red)}.dead-pixel-page .tool-faq-section{flex-direction:column;gap:12px;max-width:800px;margin-bottom:60px;margin-left:auto;margin-right:auto;display:flex}.dead-pixel-page .instruction-text{color:#fff;text-align:center;pointer-events:none;backdrop-filter:blur(5px);background:#0009;border-radius:12px;padding:30px;font-size:1.5rem;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.refresh-rate-page{--status-green-bg:#dcfce7;--status-green-text:#15803d;--status-red-bg:#fee2e2;--status-red-text:#b91c1c}.refresh-rate-page .tool-test-hero{margin-bottom:60px}.refresh-rate-page .tool-test-hero h1{margin-bottom:30px}.refresh-rate-page .hz-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;max-width:600px;margin:0 auto 40px;padding:50px 20px;position:relative;box-shadow:0 10px 30px -10px #2563eb26}.refresh-rate-page .hz-number{color:var(--blue-accent);font-variant-numeric:tabular-nums;letter-spacing:-2px;font-size:6rem;font-weight:800;line-height:1}.refresh-rate-page .hz-unit{color:var(--text-dark);margin-bottom:20px;font-size:1.5rem;font-weight:600}.refresh-rate-page .status-badge{color:var(--text-gray);background:#f3f4f6;border-radius:50px;padding:6px 16px;font-size:.9rem;font-weight:700;transition:all .3s;display:inline-block}.refresh-rate-page .btn-restart{color:var(--text-dark);border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;margin-top:25px;padding:10px 24px;font-family:Manrope,sans-serif;font-weight:700;transition:all .2s}.refresh-rate-page .btn-restart:hover{border-color:var(--blue-accent);color:var(--blue-accent)}.refresh-rate-page .visualizer-box{border:1px solid var(--border);background:#f3f4f6;border-radius:8px;max-width:600px;height:60px;margin:0 auto 40px;position:relative;overflow:hidden}.refresh-rate-page .moving-bar{background:var(--blue-accent);width:80px;height:100%;animation:1.5s linear infinite moveRight;position:absolute;top:0;left:0}.refresh-rate-page .visualizer-label{width:100%;height:100%;color:var(--text-dark);z-index:2;text-transform:uppercase;letter-spacing:1px;background:#ffffff4d;justify-content:center;align-items:center;font-size:.8rem;font-weight:700;display:flex;position:absolute}@keyframes moveRight{0%{transform:translate(-80px)}to{transform:translate(600px)}}.refresh-rate-page .intro-points-card{text-align:left;border:1px solid var(--border);background:#fff;border-radius:8px;max-width:700px;margin:0 auto;padding:30px}.refresh-rate-page .intro-points-card li{color:var(--text-gray);margin-bottom:12px;padding-left:24px;font-size:.95rem;position:relative}.refresh-rate-page .intro-points-card li:before{content:"•";color:var(--blue-accent);font-size:1.2rem;font-weight:700;line-height:1.4;position:absolute;left:0}.refresh-rate-page .intro-points-card strong{color:var(--text-dark);font-weight:700}.refresh-rate-page .refresh-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-bottom:30px;padding:30px}.refresh-rate-page .refresh-info-card h3{color:var(--text-dark);margin-bottom:15px;font-size:1.25rem;font-weight:700}.refresh-rate-page .refresh-info-card p{color:var(--text-gray);margin-bottom:15px;font-size:1rem}.refresh-rate-page .reasons-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:20px;display:grid}.refresh-rate-page .reason-item{border:1px solid var(--border);background:#f9fafb;border-radius:8px;padding:20px}.refresh-rate-page .reason-item h4{color:var(--text-dark);margin-bottom:8px;font-weight:700}.refresh-rate-page .reason-item p{color:var(--text-gray);margin-bottom:0;font-size:.9rem;line-height:1.5}.refresh-rate-page .hz-table{border-collapse:collapse;width:100%;margin-top:10px}.refresh-rate-page .hz-table th{text-align:left;border-bottom:1px solid var(--border);color:var(--text-dark);padding:12px;font-size:.95rem;font-weight:700}.refresh-rate-page .hz-table 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