@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.header{background:var(--bg-white);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;color:var(--primary-color);transition:transform .2s}.logo:hover{transform:scale(1.05)}.logo-icon{font-size:1.8rem}.logo-text{font-size:1.3rem}.nav{display:flex;gap:2rem;align-items:center}.nav-link{color:var(--text-primary);font-weight:500;transition:color .2s;padding:.5rem 0}.nav-link:hover{color:var(--primary-color)}@media(max-width:768px){.header-content{flex-direction:column;gap:1rem}.nav{gap:1.5rem;font-size:.9rem}.logo-text{font-size:1.1rem}.logo-icon{font-size:1.5rem}}.footer{background:var(--primary-dark);color:var(--bg-white);margin-top:4rem;padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3,.footer-section h4{margin-bottom:1rem;color:var(--primary-light)}.footer-section p{line-height:1.6;opacity:.9}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem;opacity:.9;cursor:pointer;transition:opacity .2s}.footer-section ul li:hover{opacity:1;color:var(--primary-light)}.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:1.5rem;text-align:center;opacity:.8}@media(max-width:768px){.footer{padding:2rem 0 1rem}.footer-content{grid-template-columns:1fr;gap:1.5rem}}.ad-space{margin:2rem 0}.ad-placeholder{background:#f5f5f5;border:1px dashed #ccc;border-radius:8px;padding:2rem;text-align:center;color:#999}.ad-placeholder p{font-size:1rem;margin-bottom:.5rem}.ad-info{font-size:.875rem}.ad-top,.ad-bottom{max-width:728px;margin:2rem auto}.ad-middle{max-width:600px;margin:2rem auto}.ad-sidebar{max-width:300px}@media(max-width:768px){.ad-space{margin:1.5rem 0}.ad-placeholder{padding:1.5rem}}.home{min-height:calc(100vh - 200px)}.hero{background:linear-gradient(135deg,#4a90e2,#2b5d8a);color:#fff;padding:4rem 0;text-align:center}.hero-title{font-size:3rem;margin-bottom:1rem;font-weight:700}.hero-subtitle{font-size:1.25rem;opacity:.95;max-width:600px;margin:0 auto}.services{padding:4rem 0}.section-title{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--text-primary)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.service-card{background:var(--bg-white);padding:2rem;border-radius:12px;box-shadow:var(--shadow);transition:all .3s;text-align:center;border:2px solid transparent}.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.service-icon{font-size:3rem;margin-bottom:1rem}.service-title{font-size:1.5rem;color:var(--text-primary);margin-bottom:.75rem}.service-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.service-formats{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-top:1rem}.format{background:var(--primary-light);color:var(--primary-dark);padding:.5rem 1rem;border-radius:6px;font-weight:600;font-size:.875rem}.arrow{color:var(--primary-color);font-size:1.5rem;font-weight:700}.features{padding:4rem 0;background:var(--bg-light)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature{text-align:center;padding:2rem}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature h3{font-size:1.25rem;color:var(--text-primary);margin-bottom:.75rem}.feature p{color:var(--text-secondary);line-height:1.6}@media(max-width:768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.section-title{font-size:1.75rem}.services-grid,.features-grid{grid-template-columns:1fr;gap:1.5rem}}.file-uploader{width:100%;max-width:600px;margin:0 auto}.upload-area{border:2px dashed var(--border-color);border-radius:12px;padding:3rem 2rem;text-align:center;transition:all .3s;background:var(--bg-white)}.upload-area.drag-active{border-color:var(--primary-color);background:var(--primary-light)}.file-input{display:none}.upload-label{cursor:pointer;display:block}.upload-icon{font-size:4rem;margin-bottom:1rem}.upload-text{font-size:1.1rem;color:var(--text-primary);margin-bottom:.5rem;font-weight:500}.upload-subtext{color:var(--text-secondary);margin:1rem 0}.browse-btn{background:var(--primary-color);color:#fff;border:none;padding:.75rem 2rem;border-radius:8px;font-size:1rem;font-weight:500;transition:all .3s;margin:1rem 0}.browse-btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.upload-info{font-size:.875rem;color:var(--text-secondary);margin-top:1rem}.error-message{background:#ffebee;color:var(--error-color);padding:1rem;border-radius:8px;margin-top:1rem;text-align:center}@media(max-width:768px){.upload-area{padding:2rem 1rem}.upload-icon{font-size:3rem}.upload-text{font-size:1rem}}.conversion-page{min-height:calc(100vh - 200px);padding:2rem 0}.page-header{margin-bottom:3rem}.back-link{display:inline-block;color:var(--primary-color);font-weight:500;margin-bottom:1.5rem;transition:color .2s}.back-link:hover{color:var(--primary-dark)}.service-info{text-align:center}.service-icon-large{font-size:4rem;margin-bottom:1rem}.page-title{font-size:2.5rem;color:var(--text-primary);margin-bottom:.75rem}.page-description{font-size:1.125rem;color:var(--text-secondary)}.conversion-content{display:grid;grid-template-columns:1fr 320px;gap:2rem}.main-content{min-height:400px}.file-preview{background:var(--bg-white);padding:2rem;border-radius:12px;box-shadow:var(--shadow)}.file-info{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:var(--bg-light);border-radius:8px;margin-bottom:2rem}.file-icon{font-size:3rem}.file-details h3{font-size:1.125rem;color:var(--text-primary);margin-bottom:.25rem}.file-details p{color:var(--text-secondary);font-size:.875rem}.actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.convert-btn,.download-btn{background:var(--primary-color);color:#fff;border:none;padding:1rem 2.5rem;border-radius:8px;font-size:1rem;font-weight:600;transition:all .3s}.convert-btn:hover:not(:disabled),.download-btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.convert-btn:disabled{opacity:.6;cursor:not-allowed}.reset-btn{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);padding:1rem 2rem;border-radius:8px;font-size:1rem;transition:all .3s}.reset-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.success{text-align:center;padding:2rem}.success-icon{font-size:4rem;margin-bottom:1rem}.success h3{font-size:1.5rem;color:var(--success-color);margin-bottom:.5rem}.success p{color:var(--text-secondary);margin-bottom:2rem}.sidebar{display:flex;flex-direction:column;gap:1.5rem}.info-box{background:var(--bg-white);padding:1.5rem;border-radius:12px;box-shadow:var(--shadow)}.info-box h3{font-size:1.125rem;color:var(--text-primary);margin-bottom:1rem}.info-box ol,.info-box ul{padding-left:1.5rem}.info-box li{color:var(--text-secondary);margin-bottom:.5rem;line-height:1.6}.info-box ul{list-style:none;padding-left:0}@media(max-width:1024px){.conversion-content{grid-template-columns:1fr}.sidebar{order:-1}}@media(max-width:768px){.page-title{font-size:1.75rem}.page-description{font-size:1rem}.service-icon-large{font-size:3rem}.file-preview{padding:1.5rem}.actions{flex-direction:column}.convert-btn,.download-btn,.reset-btn{width:100%}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4A90E2;--primary-light: #E3F2FD;--primary-dark: #2B5D8A;--text-primary: #333333;--text-secondary: #666666;--bg-white: #FFFFFF;--bg-light: #F8FAFB;--border-color: #E0E0E0;--success-color: #4CAF50;--error-color: #F44336;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg-light);color:var(--text-primary);line-height:1.6}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600}button{font-family:inherit;cursor:pointer}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 20px}@media(max-width:768px){.container{padding:0 16px}}
