.visually-hidden,.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.eraser-page{color:#1e293b;background:#fff;flex-direction:column;min-height:100vh;font-family:Montserrat,sans-serif;display:flex;overflow-x:hidden}.eraser-container{max-width:1200px;margin:0 auto;padding:0 24px}.eraser-container--narrow{max-width:700px}.eraser-breadcrumb{background:#f8fafc;border-bottom:1px solid #e2e8f0;margin-top:100px;padding:.75rem 0}.eraser-breadcrumb ol{color:#64748b;flex-wrap:wrap;align-items:center;gap:.3rem;margin:0;padding:0 24px;font-size:.88rem;list-style:none;display:flex}.eraser-breadcrumb a{color:#3b82f6;text-decoration:none;transition:color .2s}.eraser-breadcrumb a:hover{color:#1d4ed8;text-decoration:underline}.breadcrumb-sep{color:#94a3b8;font-size:1rem;line-height:1}.eraser-section{background:#fff;padding:80px 0}.eraser-section--alt{background:#f8fafc}.eraser-section h2{color:#1e293b;text-align:center;margin:0 0 16px;font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:800;line-height:1.25}.section-lead{text-align:center;color:#64748b;max-width:720px;margin:0 auto 50px;font-size:1.05rem;line-height:1.75}.eraser-grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;margin-top:48px;display:grid}.eraser-grid-4{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:48px;display:grid}.eraser-hero{text-align:center;background:linear-gradient(#f0f7ff 0%,#fff 100%);padding:72px 24px 80px;position:relative;overflow:hidden}.eraser-hero__bg-grid{pointer-events:none;background-image:linear-gradient(#3b82f60f 1px,#0000 1px),linear-gradient(90deg,#3b82f60f 1px,#0000 1px);background-size:40px 40px;position:absolute;inset:0}.eraser-hero__inner{z-index:1;max-width:860px;margin:0 auto;position:relative}.eraser-hero__badge{color:#2563eb;letter-spacing:.06em;text-transform:uppercase;background:#3b82f614;border:1px solid #3b82f633;border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:.8rem;font-weight:700;display:inline-flex}.badge-dot{background:#3b82f6;border-radius:50%;width:6px;height:6px;animation:2s infinite pulseDot;box-shadow:0 0 0 3px #3b82f640}@keyframes pulseDot{0%,to{box-shadow:0 0 0 3px #3b82f640}50%{box-shadow:0 0 0 6px #3b82f61a}}.eraser-hero__h1{color:#0f172a;letter-spacing:-.02em;margin:0 0 20px;font-size:clamp(2rem,5vw,3.2rem);font-weight:900;line-height:1.15}.gradient-text{background:linear-gradient(90deg,#2563eb,#7c3aed,#db2777);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.eraser-hero__sub{color:#475569;max-width:740px;margin:0 auto 32px;font-size:clamp(1rem,2vw,1.15rem);line-height:1.8}.eraser-hero__trust-row{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:36px;display:flex}.trust-chip{color:#2563eb;background:#3b82f614;border:1px solid #3b82f62e;border-radius:100px;padding:6px 16px;font-size:.82rem;font-weight:700}.eraser-hero__footnote{color:#94a3b8;margin-top:14px;font-size:.82rem}.eraser-hero__img-wrap{border:0;max-width:840px;margin:48px auto 0}.eraser-hero__img{border-radius:14px;max-width:100%;height:auto;transition:transform .35s;box-shadow:0 12px 48px #0000001f}.eraser-hero__img:hover{transform:translateY(-6px)}.eraser-cta-primary{color:#fff;letter-spacing:-.01em;background:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);border-radius:14px;align-items:center;gap:10px;padding:16px 36px;font-size:1.05rem;font-weight:800;text-decoration:none;transition:box-shadow .25s,transform .25s;display:inline-flex;position:relative;overflow:hidden;box-shadow:0 6px 28px #2563eb61}.eraser-cta-primary:after{content:"";background:linear-gradient(90deg,#0000 0%,#ffffff2e 50%,#0000 100%);transition:transform .5s;position:absolute;inset:0;transform:translate(-100%)}.eraser-cta-primary:hover:after{transform:translate(100%)}.eraser-cta-primary:hover{box-shadow:0 10px 40px #2563eb80}.eraser-cta-primary--large{border-radius:16px;padding:20px 48px;font-size:1.15rem}.cta-icon{font-size:1.2rem}.cta-arrow{font-size:1.1rem;transition:transform .2s}.eraser-cta-primary:hover .cta-arrow{transform:translate(4px)}.mid-cta-wrap{justify-content:center;margin-top:56px;display:flex}.eraser-definition{background:#f8fafc;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;padding:32px 0}.definition-card{background:#fff;border-left:5px solid #3b82f6;border-radius:0 12px 12px 0;max-width:900px;padding:24px 28px;box-shadow:0 2px 12px #0000000f}.definition-text{color:#334155;margin:0;font-size:1.05rem;line-height:1.75}.definition-text strong{color:#1e293b}.eraser-card{background:#fff;border:1px solid #3b82f614;border-radius:16px;padding:36px 30px;transition:box-shadow .3s,transform .3s;position:relative;overflow:hidden;box-shadow:0 4px 20px #00000012}.eraser-card:before{content:"";transform-origin:0;background:linear-gradient(90deg,#3b82f6,#7c3aed);height:3px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.eraser-card:hover:before{transform:scaleX(1)}.eraser-card:hover{box-shadow:0 12px 40px #3b82f624}.eraser-card__icon{margin-bottom:18px;font-size:2.4rem;display:block}.eraser-card h3{color:#1e293b;margin:0 0 12px;font-size:1.2rem;font-weight:700}.eraser-card p{color:#64748b;margin:0;font-size:.97rem;line-height:1.7}.platform-table-wrap{border-radius:14px;margin-top:40px;overflow-x:auto;box-shadow:0 4px 20px #00000012}.platform-table{border-collapse:collapse;background:#fff;width:100%;font-size:.97rem}.platform-table thead{color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed)}.platform-table th{text-align:left;letter-spacing:.04em;text-transform:uppercase;padding:16px 20px;font-size:.9rem;font-weight:700}.platform-table td{color:#475569;vertical-align:middle;border-bottom:1px solid #f1f5f9;padding:16px 20px;line-height:1.6}.platform-table tbody tr:last-child td{border-bottom:none}.platform-table tbody tr:hover{background:#f8fafc}.platform-icon{margin-right:8px;font-size:1.1rem}.platform-check{color:#16a34a;font-size:1rem;font-weight:700}.steps-row{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;margin-top:50px;display:grid;position:relative}.steps-row:before{content:"";z-index:0;background:linear-gradient(90deg,#3b82f6,#7c3aed);height:2px;position:absolute;top:36px;left:10%;right:10%}.step-item{z-index:1;text-align:center;padding:0 20px 40px;position:relative}.step-num{color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 20px;font-size:1.5rem;font-weight:900;display:inline-flex;position:relative;box-shadow:0 6px 24px #2563eb4d}.step-item h3{color:#1e293b;margin:0 0 10px;font-size:1.1rem;font-weight:700}.step-item p{color:#64748b;margin:0;font-size:.94rem;line-height:1.7}.product-type-card{text-align:center;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:24px 20px;transition:box-shadow .25s,transform .25s;box-shadow:0 3px 14px #0000000f}.product-type-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px #3b82f61f}.pt-icon{margin-bottom:12px;font-size:2.2rem;display:block}.product-type-card strong{color:#1e293b;margin-bottom:8px;font-size:1rem;font-weight:700;display:block}.product-type-card p{color:#64748b;margin:0;font-size:.88rem;line-height:1.6}.ba-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:48px;display:grid}.ba-card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;align-items:center;gap:16px;padding:24px 20px;display:flex;box-shadow:0 4px 16px #00000012}.ba-before,.ba-after{text-align:center;flex:1}.ba-label{letter-spacing:.08em;text-transform:uppercase;color:#dc2626;background:#ef44441a;border-radius:100px;margin-bottom:8px;padding:3px 10px;font-size:.72rem;font-weight:800;display:inline-block}.ba-label--after{color:#16a34a;background:#16a34a1a}.ba-before p,.ba-after p{color:#475569;margin:0;font-size:.9rem;line-height:1.5}.ba-arrow{color:#3b82f6;flex-shrink:0;font-size:1.5rem;font-weight:900}.mistakes-list{flex-direction:column;gap:24px;margin-top:48px;display:flex}.mistake-item{background:#fff;border-left:5px solid #f59e0b;border-radius:14px;padding:28px 32px;transition:box-shadow .25s;box-shadow:0 3px 16px #0000000f}.mistake-item:hover{box-shadow:0 8px 28px #f59e0b24}.mistake-header{align-items:flex-start;gap:16px;margin-bottom:14px;display:flex}.mistake-num{color:#f59e0b;opacity:.6;min-width:48px;font-size:1.8rem;font-weight:900;line-height:1}.mistake-item h3{color:#1e293b;margin:0;font-size:1.1rem;font-weight:700;line-height:1.4}.mistake-item p{color:#475569;margin:0;padding-left:64px;font-size:.97rem;line-height:1.75}.tech-explainer{flex-direction:column;gap:40px;margin-top:48px;display:flex}.tech-block{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:36px 32px}.tech-block h3{color:#1e293b;margin:0 0 16px;font-size:1.35rem;font-weight:700}.tech-block p{color:#475569;margin:0 0 16px;font-size:1rem;line-height:1.8}.tech-block p:last-child{margin-bottom:0}.tech-block em{color:#64748b;font-style:italic}.tech-block strong{color:#2563eb;font-weight:700}.tech-list{flex-direction:column;gap:10px;margin:16px 0;padding-left:24px;display:flex}.tech-list li{color:#475569;font-size:.97rem;line-height:1.7}.tech-list strong{color:#1e293b;font-weight:700}.eraser-cta-band{text-align:center;color:#fff;background:linear-gradient(135deg,#1e40af 0%,#5b21b6 50%,#be185d 100%);padding:100px 24px;position:relative;overflow:hidden}.eraser-cta-band:before{content:"";pointer-events:none;background:radial-gradient(circle at 20%,#ffffff0f 0%,#0000 50%),radial-gradient(circle at 80% 20%,#ffffff0f 0%,#0000 40%);position:absolute;inset:0}.eraser-cta-band .eraser-container{z-index:1;position:relative}.eraser-cta-band h2{color:#fff;text-align:center;text-shadow:0 2px 8px #00000026;margin:0 0 16px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900}.eraser-cta-band p{color:#ffffffe0;max-width:620px;margin:0 auto 36px;font-size:1.1rem;line-height:1.7}.eraser-cta-band .eraser-cta-primary{color:#2563eb;background:#fff;box-shadow:0 8px 32px #0003}.eraser-cta-band .eraser-cta-primary:hover{box-shadow:0 14px 48px #00000047}.eraser-cta-band__note{color:#ffffff8c;margin-top:18px;margin-bottom:0;font-size:.82rem}.faq-list{flex-direction:column;gap:16px;max-width:900px;margin-top:48px;margin-left:auto;margin-right:auto;display:flex}.faq-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;transition:box-shadow .25s;overflow:hidden}.faq-item[open]{border-color:#3b82f640;box-shadow:0 6px 24px #3b82f61a}.faq-q{cursor:pointer;color:#1e293b;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;font-size:1.05rem;font-weight:700;list-style:none;transition:background .2s;display:flex}.faq-q::-webkit-details-marker{display:none}.faq-q:after{content:"+";color:#3b82f6;flex-shrink:0;font-size:1.4rem;font-weight:400;transition:transform .25s}.faq-item[open] .faq-q:after{transform:rotate(45deg)}.faq-q:hover{background:#eff6ff}.faq-a{color:#475569;border-top:1px solid #e2e8f0;margin:0;padding:16px 24px 22px;font-size:.97rem;line-height:1.8}.eraser-related h2{margin-bottom:32px}.related-links{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:0;display:flex}.related-link{color:#2563eb;background:#fff;border:2px solid #2563eb33;border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .25s;display:inline-flex;box-shadow:0 2px 8px #0000000d}.related-link:hover{background:#eff6ff;border-color:#3b82f6;transform:translateY(-3px);box-shadow:0 6px 20px #2563eb26}@media (max-width:900px){.steps-row:before{display:none}.steps-row{grid-template-columns:1fr 1fr;gap:24px}.eraser-grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.eraser-breadcrumb{margin-top:80px}.eraser-hero{padding:56px 20px 60px}.eraser-section{padding:60px 0}.eraser-grid-3,.eraser-grid-4{grid-template-columns:1fr}.steps-row{grid-template-columns:1fr;gap:32px}.ba-grid{grid-template-columns:1fr}.ba-card{text-align:center;flex-direction:column}.ba-arrow{transform:rotate(90deg)}.mistake-item p{padding-left:0}.mistake-header{flex-direction:column;gap:8px}.mistake-num{min-width:auto;font-size:1.4rem}.platform-table th,.platform-table td{padding:12px 14px;font-size:.88rem}.eraser-cta-band{padding:72px 20px}.tech-block{padding:28px 22px}.related-links{flex-direction:column;align-items:center}}@media (max-width:480px){.eraser-hero__h1{font-size:1.85rem}.eraser-hero__sub{font-size:.95rem}.eraser-cta-primary{justify-content:center;width:100%;padding:14px 24px;font-size:.95rem}.eraser-cta-primary--large{padding:16px 24px;font-size:1rem}.eraser-hero__trust-row{gap:8px}.trust-chip{padding:5px 12px;font-size:.76rem}.eraser-section h2{font-size:1.6rem}.faq-q{padding:16px 18px;font-size:.95rem}.faq-a{padding:12px 18px 18px;font-size:.92rem}.platform-table{font-size:.82rem}.platform-table th,.platform-table td{padding:10px}.eraser-cta-band h2{font-size:1.6rem}.eraser-cta-band p,.definition-text{font-size:.97rem}}