*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#212529;background:#ffffff;line-height:1.6;min-height:100vh}a{color:#4a9eff;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.3;color:#212529}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.site-header{background:#1a1b2e;padding:0;border-bottom:3px solid #4a9eff}.header-inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:56px}.site-logo{font-size:1.1rem;font-weight:800;color:#ffffff;text-decoration:none;letter-spacing:-.02em}.site-logo span{color:#4a9eff}.header-nav{display:flex;gap:.25rem}.nav-link{font-size:.8rem;color:#adb5bd;padding:.4rem .75rem;border-radius:6px;text-decoration:none;transition:all .15s}.nav-link:hover{color:#ffffff;background:rgba(255,255,255,.1);text-decoration:none}.page-main{padding:2.5rem 0 4rem}.page-header{margin-bottom:2rem}.page-header h1{font-size:2rem;font-weight:800;margin-bottom:.75rem;color:#1a1b2e}.page-intro{font-size:1rem;color:#495057;max-width:700px;line-height:1.7}.site-footer{background:#f8f9fa;border-top:1px solid #e9ecef;padding:2rem 0;margin-top:4rem}.footer-inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}.footer-text{font-size:.8rem;color:#868e96}.footer-links{display:flex;gap:1.5rem}.footer-link{font-size:.8rem;color:#868e96;text-decoration:none}.footer-link:hover{color:#495057}.converters-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:1rem;gap:1rem;margin-top:2rem}.converter-card{display:block;padding:1.25rem 1.5rem;border:1px solid #dee2e6;border-radius:12px;text-decoration:none;color:inherit;background:white;transition:all .2s;position:relative;overflow:hidden}.converter-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:#4a9eff;transform:scaleY(0);transform-origin:bottom;transition:transform .2s}.converter-card:hover{border-color:#4a9eff;box-shadow:0 4px 16px rgba(74,158,255,.15);transform:translateY(-2px);text-decoration:none}.converter-card:hover:before{transform:scaleY(1)}.converter-card-title{font-size:.95rem;font-weight:700;color:#1a1b2e;margin-bottom:.25rem}.converter-card-desc{font-size:.8rem;color:#868e96}.section-heading{font-size:1.3rem;font-weight:700;color:#1a1b2e;margin-bottom:.5rem;margin-top:3rem;padding-bottom:.5rem;border-bottom:2px solid #e9ecef}@media (max-width:768px){.page-header h1{font-size:1.5rem}.header-nav{display:none}.footer-inner{flex-direction:column;align-items:flex-start}}