:root{--brand:#2867b2;--teal:#11c5a9;--nav:#2d4054;--brand-dark:#1f4f88;--success:#2eb85c;--success-dark:#239347;--danger:#c43d3d;--ink:#2b2f36;--muted:#667085;--line:#d8dee8;--paper:#fff;--page:#f3f6fa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--page);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}.site-header{background:var(--nav);z-index:20;border-bottom:0;position:sticky;top:0}.header-inner{align-items:center;gap:22px;max-width:1290px;min-height:82px;margin:0 auto;padding:0 18px;display:flex}.brand{color:#fff;align-items:center;gap:8px;margin-right:auto;font-size:28px;font-weight:700;display:inline-flex}.brand:hover{text-decoration:none}.brand-icon{color:#fff;background:linear-gradient(135deg,#13d7b5,#168abd);border-radius:9px;justify-content:center;align-items:center;width:43px;height:43px;font-size:28px;font-weight:700;display:inline-flex}.nav-links{align-items:stretch;gap:2px;display:flex}.nav-links>a,.nav-menu>span{color:#fff;white-space:nowrap;align-items:center;gap:5px;min-height:82px;padding:0 12px;font-size:18px;font-weight:700;display:inline-flex}.nav-links>a:hover,.nav-menu:hover>span{background:#ffffff14;text-decoration:none}.nav-menu{position:relative}.nav-dropdown{border:1px solid var(--line);background:#fff;min-width:230px;display:none;position:absolute;top:82px;right:0;box-shadow:0 12px 28px #1018281f}.nav-dropdown a{color:#404854;padding:10px 14px;display:block}.nav-dropdown a:hover{background:#f2f5f8;text-decoration:none}.nav-menu:hover .nav-dropdown{display:block}.nav-toggle,.menu-button{display:none}main{max-width:1560px;margin:0 auto;padding:0 18px}.download-panel{box-shadow:none;text-align:center;background:#eef3f5;border:0;border-radius:0;flex-direction:column;align-items:center;max-width:none;min-height:474px;margin:0 -18px 34px;padding:54px 18px 48px;display:flex}.hero-brand{color:#2d4054;letter-spacing:0;align-items:center;gap:14px;font-size:clamp(34px,3.4vw,49px);font-weight:700;display:inline-flex}.hero-brand span span{font-size:23px}.hero-brand.small{gap:12px;font-size:38px}.hero-brand.small span span{font-size:19px}.hero-icon{color:#fff;background:linear-gradient(135deg,#13d7b5,#168abd);border-radius:15px;justify-content:center;align-items:center;width:clamp(74px,6vw,88px);height:clamp(74px,6vw,88px);font-size:clamp(42px,4vw,58px);line-height:1;display:inline-flex}.hero-brand.small .hero-icon{border-radius:13px;width:62px;height:62px;font-size:38px}.download-copy h1{color:#24384d;margin:15px 0 4px;font-size:clamp(24px,2vw,32px);font-weight:700;line-height:1.15}.download-copy p{color:#aeb9c3;margin:0 0 38px;font-size:clamp(16px,1.3vw,20px);font-weight:700}.download-form{flex-direction:column;gap:12px;width:100%;max-width:855px;display:flex}.input-row{width:100%;min-height:75px;display:flex}.input-row input{color:#1f2937;border:3px solid #2d4054;border-radius:7px 0 0 7px;flex:1;min-width:0;padding:0 28px;font-size:clamp(18px,1.3vw,23px)}.input-row input:focus{border-color:var(--brand);z-index:1;outline:none;box-shadow:0 0 0 3px #2867b21f}.paste-button,.download-button,.quality-button,.how-button,.download-inline-button,.paste-mobile-button{cursor:pointer;border:0;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:0 18px;font-weight:700;display:inline-flex}.paste-button{color:#334155;background:#eef2f7;border:1px solid #b7c2d2;border-left:0;border-radius:0 6px 6px 0}.download-button{background:var(--success);color:#fff;width:100%}.download-inline-button{color:#fff;background:#2d4054;border-radius:0 7px 7px 0;min-width:142px;font-size:16px}.paste-mobile-button{color:#334155;background:#eef2f7;border:1px solid #b7c2d2;display:none}.download-button:hover,.quality-button:hover{background:var(--success-dark);text-decoration:none}.download-button:disabled{cursor:wait;opacity:.72}.spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.progress-wrap{background:#e9eef5;border-radius:5px;width:100%;max-width:650px;height:24px;margin-top:18px;position:relative;overflow:hidden}.progress-bar{background:var(--success);height:100%;transition:width .2s}.progress-wrap span{color:#1f2937;font-size:13px;font-weight:700;line-height:24px;position:absolute;top:0;left:0;right:0}.notice{text-align:left;border-radius:6px;align-items:center;gap:8px;width:100%;max-width:650px;margin-top:14px;padding:10px 12px;display:flex}.notice-error{color:var(--danger);background:#fff1f1}.notice-success{color:#1d7c3d;background:#ecf9f0}.result-box{width:100%;max-width:650px}.result-title{margin:12px 0;font-weight:700}.download-options{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.quality-button{background:var(--success);color:#fff}.how-button{border:1px solid var(--line);color:var(--brand);background:#f7f9fc;margin-top:18px}.how-button.blue{color:#fff;background:#3398db;min-height:52px;margin-top:14px;padding:0 26px;font-size:16px}.download-result-view{width:100%;max-width:960px;position:relative}.back-download{color:#fff;cursor:pointer;background:#9aacad;border:0;border-radius:4px;align-items:center;gap:4px;min-height:50px;padding:0 18px;font-weight:700;display:inline-flex;position:absolute;top:-28px;left:0}.download-result-view h2{color:#10263c;margin:8px 0 34px;font-size:24px}.video-preview-card{text-align:left;background:#fff;border-radius:7px;grid-template-columns:1fr 1fr;max-width:685px;margin:0 auto 46px;display:grid;overflow:hidden;box-shadow:0 7px 22px #10182829}.preview-media{background:#111827;min-height:190px}.preview-media img,.preview-media video{object-fit:cover;width:100%;height:100%;display:block}.preview-info{padding:18px 22px}.preview-info h3{-webkit-line-clamp:3;text-align:center;-webkit-box-orient:vertical;max-height:82px;margin:0;font-size:20px;line-height:1.3;display:-webkit-box;overflow:hidden}.preview-info p{margin:10px 0;font-size:16px;line-height:1.45}.quality-button.dark{background:#2d4054}.result-actions{justify-content:center;margin-bottom:24px}.more-options{max-width:520px;margin:0 auto}.more-options summary{color:#fff;cursor:pointer;background:#9aacad;border:2px solid #10263c;border-radius:5px;padding:12px 22px;font-weight:700;display:inline-flex}.how-section,.article-section,.faq-section,.text-page{background:var(--paper);border:1px solid var(--line);border-radius:8px;margin-bottom:24px;padding:24px}.how-section h2,.updates-section h2,.article-section h2,.faq-section h2,.text-page h1{color:var(--brand);margin:0 0 16px}.info-grid-section{grid-template-columns:1fr 1fr;gap:34px;max-width:1290px;margin:0 auto 32px;display:grid}.updates-section,.compact-faq{border:1px solid #2d4054;border-radius:5px;overflow:hidden}.updates-section h2,.compact-faq h2{color:#fff;background:#2d4054;align-items:center;gap:8px;margin:0;padding:14px 22px;display:flex}.compact-faq h2{background:#3398db}.steps{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.steps article,.feature-grid article{border:1px solid var(--line);border-radius:8px;padding:16px}.steps span{background:var(--brand);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-weight:700;display:inline-flex}.steps h3,.feature-grid h3{margin:10px 0 6px}.steps p,.feature-grid p{color:var(--muted);margin:0}.update-list p{color:#fff;border-bottom:0;border-radius:6px;margin:24px;padding:24px;font-size:18px;font-weight:700}.update-list p:last-child{border-bottom:0}.teal-update{background:#1abc9c}.blue-update{background:#3498db}.article-section p{color:#3f4753}.feature-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px;display:grid}.feature-grid svg{color:var(--brand)}.faq-section details{border-top:0;margin:10px 22px;padding:0}.faq-section summary{color:#24384d;cursor:pointer;background:#e9eef1;border-radius:5px;align-items:center;gap:8px;padding:14px 22px;font-size:20px;font-weight:700;display:flex}.faq-section details p{color:#24384d;background:#fff;margin:0;padding:20px 24px;font-size:17px}.language-note{border:1px solid var(--line);background:#fff;border-radius:8px;max-width:1080px;margin:0 auto 24px;padding:22px}.language-note h1{color:#24384d;margin:4px 0 12px}.language-country{color:var(--brand);margin:0;font-weight:700}.modal-backdrop{z-index:50;background:#0000008c;justify-content:center;align-items:center;padding:18px;display:flex;position:fixed;inset:0}.help-modal{background:#fff;border-radius:4px;width:100%;max-width:680px;padding:22px;position:relative}.modal-close{color:#9aa4b2;cursor:pointer;background:0 0;border:0;font-size:24px;position:absolute;top:12px;right:16px}.help-modal h2{margin:0 0 20px}.help-tabs{grid-template-columns:1fr 1fr;gap:4px;margin-bottom:24px;display:grid}.help-tabs span{color:#09b99f;background:#f3f3f3;border-radius:4px;padding:14px;font-weight:700}.help-tabs .active{color:#fff;background:#2d4054}.help-steps{color:#2d4054;font-size:26px;font-weight:500}.modal-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.page-shell{min-height:56vh}.text-page{max-width:840px;margin-left:auto;margin-right:auto}.text-page h2{margin-top:22px}.text-page li{margin:8px 0}.private-tool{border-top:1px solid #edf1f6;margin-top:24px;padding-top:22px}.private-tool h2{color:var(--brand)}.private-tool textarea{color:#1f2937;resize:vertical;border:1px solid #b7c2d2;border-radius:6px;width:100%;min-height:220px;padding:12px}.private-tool textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px #2867b21f}.private-actions{grid-template-columns:190px 1fr;gap:10px;margin-top:12px;display:grid}.site-footer{color:#5c6675;text-align:center;max-width:1080px;margin:20px auto 0;padding:20px 18px 34px}.footer-title{color:#364152;font-weight:700}.site-footer nav{flex-wrap:wrap;justify-content:center;gap:6px 12px;margin-bottom:12px;display:flex}.site-footer nav a:not(:last-child):after{color:#9aa4b2;content:"|";margin-left:12px}@media (max-width:780px){.header-inner{flex-wrap:wrap;gap:0;min-height:64px;padding:0 14px}.brand{font-size:24px}.brand-icon{width:38px;height:38px}.menu-button{color:#fff;cursor:pointer;align-items:center;min-height:58px;display:inline-flex}.nav-links{flex-direction:column;flex-basis:100%;padding-bottom:10px;display:none}.nav-toggle:checked~.nav-links{display:flex}.nav-links>a,.nav-menu>span{color:#fff;min-height:42px;padding:0 4px}.nav-dropdown{box-shadow:none;border:0;min-width:0;padding-left:18px;display:block;position:static}main{padding:0 12px}.download-panel,.how-section,.updates-section,.article-section,.faq-section,.text-page{padding:18px}.download-panel{min-height:0;margin:0 -12px 22px;padding:34px 14px 36px}.download-copy h1{font-size:24px}.download-copy p{margin-bottom:24px}.hero-brand{gap:10px;font-size:32px}.hero-brand span span{font-size:18px}.hero-icon{border-radius:12px;width:58px;height:58px;font-size:36px}.input-row{flex-direction:column;gap:8px}.download-inline-button,.paste-mobile-button{border-radius:6px;width:100%;min-height:52px}.paste-mobile-button{display:inline-flex}.video-preview-card,.info-grid-section{grid-template-columns:1fr}.video-preview-card{max-width:100%}.preview-media{min-height:220px}.result-actions{flex-direction:column;align-items:stretch}.quality-button.dark{width:100%}.back-download{margin-bottom:20px;position:static}.input-row input,.paste-button{border:1px solid #b7c2d2;border-radius:6px;width:100%;min-height:46px}.input-row input{padding:0 14px;font-size:17px}.steps,.feature-grid,.private-actions{grid-template-columns:1fr}.site-footer nav{flex-direction:column;align-items:center}.site-footer nav a:not(:last-child):after{content:"";margin-left:0}}@media (min-width:781px) and (max-width:980px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
