*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:#0a0a0a;color:#fff;overflow-x:hidden;padding-bottom:20px}.container{max-width:720px;margin:5px auto 20px;padding:10px;opacity:0;transition:opacity .5s ease}.container.loaded{opacity:1}.header{background:linear-gradient(145deg,#111,#0a0a0a);padding:20px;border-radius:16px;border:1px solid #2a2a2a;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px;position:relative;box-shadow:0 4px 20px rgba(0,0,0,.3)}.header-row{display:flex;align-items:center;gap:15px;flex:1}.logo{width:50px;height:50px;border-radius:12px;flex-shrink:0;background:#1a1a1a;display:flex;align-items:center;justify-content:center;overflow:hidden}.logo img{width:100%;height:100%;object-fit:cover}.header-text{display:flex;flex-direction:column;justify-content:center}.header-text h1{font-size:1.25rem;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.02em}.header-text p{color:#888;font-size:12px;margin-top:3px;font-weight:500;line-height:1.2}.content-card{background:#000;border-radius:16px;border:1px dashed #333;max-width:100%;overflow:visible;margin-bottom:15px;box-shadow:0 4px 15px rgba(0,0,0,.2)}.card-header{padding:20px;background:#000}.card-title{margin:0;font-size:1.25rem;color:#fff;text-align:center}.iframe-wrap{width:100%;height:160px;padding-top:10px;overflow:hidden;position:relative;background:#000;transition:height .3s ease}.zoom{transform:scale(.8);transform-origin:top left;width:125%;height:125%}#converterFrame{position:absolute;top:-398px;left:-10px;width:100%;height:2000px;border:none;opacity:0;transition:opacity .3s ease}#converterFrame.loaded{opacity:1}.helper-text{color:#888;font-size:13px;margin:10px 0 10px 15px;text-align:center}.loader-container{position:absolute;inset:0;background:#000;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10;transition:opacity .3s ease}.loader-container.hidden{opacity:0;pointer-events:none}.loader{width:40px;height:40px;border:4px solid #2a2a2a;border-top-color:#f00;border-radius:50%;animation:spinLoader 1s linear infinite;will-change:transform;-webkit-backface-visibility:hidden;backface-visibility:hidden;transform:translateZ(0)}@keyframes spinLoader{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.global-loader{position:fixed;inset:0;background:#000;display:flex;justify-content:center;align-items:center;z-index:9999}.global-spinner{width:50px;height:50px;border:5px solid #fff;border-top-color:#FF5700;border-radius:50%;animation:spinGlobal .8s linear infinite;will-change:transform;-webkit-backface-visibility:hidden;backface-visibility:hidden;transform:translateZ(0)}@keyframes spinGlobal{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.button-row{display:flex;gap:12px;margin:15px 15px 20px;justify-content:center}.format-btn{flex:0 1 auto;max-width:160px;padding:10px 16px;background:#111;color:#aaa;border:1px solid #333;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;text-align:center}.format-btn:hover{background:#1a1a1a;color:#fff;border-color:#555}.support-card{background:#000;border:1px solid #2a2a2a;border-radius:16px;max-width:640px;padding:28px;margin:15px auto;transition:border-color .3s ease,transform .2s ease}.support-card:hover{border-color:#3d9dff;transform:translateY(-2px)}.support-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px;border-bottom:1px solid #1a1a1a;padding-bottom:16px}.support-top h2,.support-top h3{font-size:18px;font-weight:700;margin:0;color:#fff;display:flex;align-items:center;gap:10px}.section-icon{width:22px;height:22px;color:#3d9dff;flex-shrink:0}.support-card p{color:#bdbdbd;line-height:1.7;font-size:15px;margin-top:10px}.intro-text{margin-bottom:20px}.support-card a{color:#3d9dff;text-decoration:none;border-bottom:1px dotted #3d9dff;transition:color .2s}.support-card a:hover{color:#22e3c5;border-bottom-style:solid}.promo-card{width:100%;max-width:760px;margin:14px auto;padding:20px;box-sizing:border-box;background:#000;border:1px solid #252525;border-radius:18px;color:#fff}.promo-card .support-top{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}.promo-card h2{margin:0;padding:0;flex:1;color:#f5f5f5;font-size:18px;font-weight:700;line-height:1.3}.promo-card .promo-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:40px;padding:0 20px;background:#0867f5;color:#fff;border-radius:11px;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap;box-sizing:border-box;transition:background .2s ease,transform .2s ease}.promo-card .promo-btn:hover{background:#0058dc;transform:translateY(-1px)}.promo-btn-green{background:#1EA547;color:#fff;border:none;cursor:pointer}.promo-btn-green:hover{background:#188a3c}.promo-btn-disabled{pointer-events:none;cursor:default}.promo-card p{margin:14px 0 0;color:#bdbdbd;font-size:15px;line-height:1.75}.feature-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}.feature-item{background:#0E1113;border:1px solid #2a2a2a;border-radius:12px;padding:20px;display:flex;gap:16px;align-items:flex-start;transition:all .3s ease}.feature-item:hover{border-color:#22e3c5;transform:translateX(4px)}.feature-icon{width:44px;height:44px;background:rgba(34,227,197,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#22e3c5}.feature-icon svg{width:22px;height:22px}.feature-content h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:6px}.feature-content p{font-size:13px;color:#9ca3af;line-height:1.5;margin:0}.steps-list{list-style:none;padding:0;margin:0}.step-item{display:flex;gap:16px;margin-bottom:20px;padding:16px;background:#0E1113;border-radius:10px;border:1px solid #2a2a2a}.step-item:last-child{margin-bottom:0}.step-number{width:32px;height:32px;background:linear-gradient(135deg,#3d9dff,#22e3c5);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}.step-content{color:#bdbdbd;line-height:1.6;font-size:14px}.step-content strong{color:#fff;display:block;margin-bottom:4px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.stat-card{background:#0E1113;border:1px solid #2a2a2a;border-radius:12px;padding:20px;text-align:center;transition:all .3s ease}.stat-card:hover{border-color:#3d9dff;transform:translateY(-2px)}.stat-number{font-size:28px;font-weight:800;color:#3d9dff;margin-bottom:8px;line-height:1}.stat-label{font-size:13px;color:#9ca3af;line-height:1.4}.faq-container{margin-top:20px}.faq-item{margin-bottom:12px;border:1px solid #2a2a2a;border-radius:10px;overflow:hidden;transition:all .3s ease;cursor:pointer}.faq-item:hover{border-color:#444}.faq-item.active{border-color:#3d9dff;background:#0E1113}.faq-question{width:100%;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:15px;font-weight:600;color:#fff;background:none;border:none;cursor:pointer;transition:all .2s ease}.faq-question:hover{background:rgba(61,157,255,.05)}.faq-icon{width:20px;height:20px;color:#3d9dff;flex-shrink:0;transition:transform .3s ease}.faq-item.active .faq-icon{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.faq-item.active .faq-answer{max-height:300px}.faq-answer p{padding:0 20px 20px;font-size:14px;color:#d1d5db;line-height:1.7;margin:0}.resource-list{list-style:none;padding:0;margin:16px 0 0 0}.resource-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;padding:14px;background:#0E1113;border-radius:10px;border:1px solid #2a2a2a;transition:all .2s ease}.resource-list li:hover{border-color:#3d9dff}.list-icon{width:18px;height:18px;color:#3d9dff;flex-shrink:0;margin-top:2px}.resource-list a{color:#bdbdbd;font-size:14px;line-height:1.5}.site-footer{background:#050505;border-top:1px solid #1a1a1a;padding:40px 20px 20px;margin-top:40px;text-align:center}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;margin-bottom:24px}.footer-links a{color:#888;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}.footer-links a:hover{color:#fff}.footer-copy{color:#555;font-size:13px;margin-bottom:10px}.footer-copy b{color:#888}.last-updated-tag{text-align:center;color:#444;font-size:12px;margin-top:20px;padding-bottom:20px;font-style:italic}.lang-selector{margin-left:auto;position:relative}.lang-btn{display:flex;align-items:center;gap:6px;background:#1a1a1a;border:1px solid #333;color:#fff;padding:8px 12px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease}.lang-btn:hover{background:#242424;border-color:#3d9dff}.lang-arrow{font-size:10px;color:#888;transition:transform .2s ease}.lang-selector.open .lang-arrow{transform:rotate(180deg)}.lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:#111;border:1px solid #333;border-radius:12px;list-style:none;padding:6px;width:180px;max-height:280px;overflow-y:auto;display:none!important;z-index:9999;box-shadow:0 8px 24px rgba(0,0,0,.6)}.lang-selector.open .lang-menu{display:block!important;animation:fadeIn .2s ease}.lang-menu li{padding:9px 10px;border-radius:8px;font-size:13px;cursor:pointer;transition:background .15s ease;white-space:nowrap;display:flex;align-items:center;color:#bdbdbd}.lang-menu li:hover{background:#242424;color:#fff}.lang-menu::-webkit-scrollbar{width:5px}.lang-menu::-webkit-scrollbar-thumb{background:#333;border-radius:5px}.fi{border-radius:2px;margin-right:8px;vertical-align:middle;width:16px;height:12px;object-fit:cover}@keyframes fadeIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.converter{padding:0 20px 20px}.converter .card{background:#0E1113;border:1px solid #2a2a2a;border-radius:12px;padding:16px;margin-bottom:12px}#main-card{background:#111;border:1px solid #2f6fe4;border-radius:14px;padding:20px;margin-bottom:14px;box-shadow:0 0 0 1px rgba(47,111,228,.25),0 12px 40px rgba(47,111,228,.15)}.options-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.opt-group{flex:1 1 140px;display:flex;flex-direction:column;gap:6px;min-width:0}.opt-group label{font-size:12px;color:#888;font-weight:600}.custom-select{position:relative;z-index:10}.custom-select.active,.custom-select:focus-within{z-index:1000}.select-selected{background:#111;border:1px solid #333;border-radius:8px;color:#fff;padding:10px 34px 10px 12px;font-size:14px;cursor:pointer;position:relative;user-select:none}.select-selected::after{content:"▾";position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:11px;color:#888}.select-selected:hover{border-color:#3d9dff}.select-items{display:none;position:absolute;top:100%;left:0;right:0;background:#111;border:1px solid #333;border-radius:8px;z-index:1000;max-height:260px;overflow-y:auto;box-shadow:0 8px 24px rgba(0,0,0,.6)}.custom-select.active .select-items{display:block}.select-items div{padding:10px 12px;font-size:14px;color:#bdbdbd;cursor:pointer}.select-items div:hover{background:#242424;color:#fff}.input-group{display:flex;flex-direction:column;gap:10px}.input-wrapper{position:relative}#yt-url{width:100%;background:#000;border:1.5px dotted #444;border-radius:10px;color:#fff;font-size:15px;padding:13px 84px 13px 14px;outline:none}#yt-url:focus{border-color:#3d9dff}#paste-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:#1a1a1a;color:#fff;border:1px solid #333;border-radius:8px;padding:7px 12px;font-size:13px;cursor:pointer}#paste-btn:hover{border-color:#3d9dff}.btn-go{background:#0867f5;color:#fff;border:none;border-radius:12px;padding:13px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease}.btn-go:hover{background:#0058dc}.btn-go:disabled{opacity:.6;cursor:not-allowed}#video-preview{display:none;align-items:center;gap:12px;margin-bottom:12px}#video-preview.visible{display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-bottom:14px}#video-thumb{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:#111;flex-shrink:0}.video-meta{min-width:0;width:100%}#video-title{font-size:1.1rem;font-weight:600;color:#fff;line-height:1.35;word-break:break-word;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}#video-channel{font-size:.9rem;color:#888;opacity:.7;margin-top:2px}#rahul-container{padding:16px;margin-bottom:14px;transition:opacity .4s ease}#status-box{display:none;align-items:center;gap:10px;color:#bdbdbd;font-size:14px;margin-top:4px}#status-box.visible{display:flex}.infinity-loader{width:18px;height:18px;border:3px solid #2a2a2a;border-top-color:#3d9dff;border-radius:50%;animation:spinLoader 1s linear infinite;flex-shrink:0}#progress-track{display:none}#user-known{display:none;color:#888;font-size:13px;text-align:center;margin:8px 0}#rahul-container.fade-out{opacity:0}#download-btn{display:none}#success-view{display:none;text-align:center;background:#0E1113;border:1px solid #2a2a2a;border-radius:12px;padding:20px}#success-view.visible{display:block}#success-view .success-title{font-size:18px;font-weight:700;margin-bottom:14px}.success-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}#clipboardBackdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:9990}#clipboardDialog{display:none;position:fixed;left:50%;top:50%;transform:translate(-50%,-48%);opacity:0;width:min(92vw,380px);background:#111;border:1px solid #333;border-radius:14px;z-index:9991;transition:opacity .25s ease,transform .25s ease}#clipboardDialog.cd-open{opacity:1;transform:translate(-50%,-50%)}.cd-header{padding:16px 18px 0;font-weight:700;font-size:16px}.cd-body{padding:12px 18px 18px}.cd-body p{color:#bdbdbd;font-size:14px;line-height:1.6;margin:0}.cd-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.cd-actions button{background:#1a1a1a;color:#fff;border:1px solid #333;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer}#cd-continue{background:#0867f5;border-color:#0867f5}@media(prefers-reduced-motion:reduce){.infinity-loader,#clipboardDialog,#rahul-container{animation:none;transition:none}}@media(max-width:600px){.header{flex-direction:column;align-items:flex-start;gap:15px;padding:15px}.header-row{width:100%;align-items:flex-start}.header-text{justify-content:flex-start}.header-text h1{font-size:1.15rem}.lang-selector{width:100%;margin-left:0;margin-top:5px}.lang-btn{width:100%;justify-content:center}.lang-menu{width:100%;right:0}.support-card{margin:15px 5px;padding:20px}.support-top{flex-direction:column;align-items:flex-start;gap:10px}.stats-grid{grid-template-columns:1fr}.feature-item{flex-direction:column}.feature-icon{margin-bottom:8px}.promo-card{width:calc(100% - 12px);margin:8px auto;padding:14px;border-radius:17px}.promo-card .support-top{flex-direction:column;align-items:stretch;gap:12px}.promo-card h2{font-size:18px;line-height:1.35}.promo-card .promo-btn{width:100%;min-height:40px;padding:0 12px;font-size:14px;border-radius:11px;white-space:normal;text-align:center}.promo-card p{margin-top:12px;font-size:15px;line-height:1.7}.button-row{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:10px}.format-btn{flex:1 1 45%;max-width:48%;min-width:140px}.converter{padding:0 12px 12px}#main-card{padding:14px}}@media(max-width:480px){.stat-number{font-size:24px}.container{padding:8px}}
/* Ad Banner & Side Rail Banner Stop */ .support-card.banner-card { padding: 0; background: transparent; border: 0; } .support-card.banner-card:hover { transform: none; } .support-card a.ad-banner { border-bottom: 0; } .ad-banner { display: block; width: 100%; max-width: 728px; aspect-ratio: 16 / 9; margin: 0 auto; border-radius: 12px; overflow: hidden; } .ad-banner img { display: block; width: 100%; height: 100%; object-fit: cover; } .container { position: relative; } :root { --rail-w: 160px; --rail-gap: 16px; --rail-top: 90px; } .side-rail-col { display: none; position: absolute; top: 0; bottom: 0; width: var(--rail-w); padding-top: var(--rail-top); } .side-rail-col-left { right: calc(100% + var(--rail-gap)); } .side-rail-col-right { left: calc(100% + var(--rail-gap)); } .side-rail { display: block; position: sticky; top: var(--rail-top); width: min(var(--rail-w), calc((100vh - var(--rail-top) - 16px) * 0.2667)); border-radius: 8px; overflow: hidden; } .side-rail img { display: block; width: 100%; height: auto; } @media (min-width: 1120px) { .side-rail-col { display: block; } } @media (min-width: 1020px) and (max-width: 1119px) { :root { --rail-w: 120px; --rail-gap: 12px; } .side-rail-col { display: block; } }