:root{color-scheme:light;--bg:#f6f8f7;--paper:#fff;--ink:#18342c;--text:#31443d;--muted:#65776f;--accent:#17765b;--accent-hover:#105c46;--line:#dce5df;--soft:#eef4f0;--warn:#83580e;--error:#9e3737;--radius:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}a{color:var(--accent);text-underline-offset:4px}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #74b99b;outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--ink);line-height:1.25}h2{font-size:25px;letter-spacing:-.035em}h3{font-size:17px}svg{display:block}.page{max-width:1100px;margin:auto;padding:0 28px}.site-header{display:flex;align-items:center;gap:36px;min-height:100px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:25px;font-weight:750;color:var(--ink);text-decoration:none;letter-spacing:-1px}.brand-dot{color:var(--accent);margin-left:-10px}.header-links{display:flex;gap:24px;margin-left:auto}.header-links a{font-size:13px;text-decoration:none;color:var(--muted)}.header-links a:hover{color:var(--accent)}.lang-switch{display:flex;padding:3px;gap:2px;border:1px solid var(--line);border-radius:8px}.lang-link{padding:4px 8px;text-decoration:none;font-size:11px;font-weight:650;color:var(--muted);border-radius:5px}.lang-link.active{background:var(--ink);color:#fff}.hero{text-align:center;max-width:760px;margin:68px auto 31px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:.075em;color:var(--accent);text-transform:uppercase}.hero .eyebrow{display:flex;justify-content:center;align-items:center;gap:9px}.small-line{width:22px;height:1px;background:var(--accent)}.hero h1{font-size:clamp(35px,5vw,53px);letter-spacing:-.05em;font-weight:650;margin:14px 0}.subtitle{color:var(--muted);font-size:17px;max-width:580px;margin:auto}.download-panel{max-width:866px;margin:auto;padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 25px #17352b07}.field-label{display:block;font-weight:600;font-size:13px;margin-bottom:10px}.input-row{display:flex;gap:10px}.input-wrap{position:relative;flex:1;min-width:0}.input-wrap input{width:100%;height:56px;padding:0 108px 0 44px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:#fafcfb;font-size:14px}.input-wrap input::placeholder{color:#85948e}.input-wrap input:focus{border-color:var(--accent);outline:2px solid #17765b18;outline-offset:1px}.input-icon{position:absolute;left:15px;top:18px;width:20px;height:20px;color:var(--muted)}.paste-btn,.clear-btn{position:absolute;top:12px;height:32px;border:0;border-radius:5px;background:transparent;color:var(--muted);padding:0;display:flex;justify-content:center;align-items:center}.paste-btn{right:9px;width:48px;font-size:11px;font-weight:650}.clear-btn{right:61px;width:28px;font-size:22px}.paste-btn:hover,.clear-btn:hover{background:var(--soft);color:var(--ink)}.primary,.secondary,.button{border-radius:9px;padding:13px 19px;font-size:13px;font-weight:650;display:inline-flex;justify-content:center;align-items:center;gap:15px;min-height:44px;text-decoration:none;border:1px solid transparent;white-space:nowrap}.primary{background:var(--accent);color:white}.primary:hover{background:var(--accent-hover)}.primary svg{width:19px;height:19px}.secondary{background:var(--paper);border-color:var(--line);color:var(--text)}.secondary:hover{background:var(--soft)}.hint{font-size:11px;color:var(--muted);margin:10px 0 0;line-height:1.7}.status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:23px}.status-dot{width:6px;height:6px;flex-shrink:0;background:#8da49a;border-radius:50%}.status.ok{color:var(--accent)}.status.ok .status-dot{background:var(--accent)}.status.error{color:var(--error)}.status.error .status-dot{background:var(--error)}.status.busy .status-dot{width:12px;height:12px;background:transparent;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite}.results{border-top:1px solid var(--line);margin-top:24px;padding-top:23px}.video-summary{display:flex;gap:18px;align-items:center;margin-bottom:24px}.video-summary img{object-fit:cover;width:140px;height:80px;border-radius:8px;background:var(--soft)}.video-summary>div{min-width:0}.video-summary h2{font-size:19px;letter-spacing:-.025em;overflow-wrap:anywhere;margin-top:5px}.video-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:7px;font-size:12px;color:var(--muted)}.formats-heading{display:flex;justify-content:space-between;align-items:baseline;gap:15px;margin-bottom:12px}.formats-heading h3{font-size:13px}.formats-heading>span{font-size:11px;color:var(--muted)}.format-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.format-card{background:white;border:1px solid var(--line);border-radius:10px;cursor:pointer;display:flex;align-items:flex-start;gap:12px;padding:15px;text-align:left;min-width:0;color:var(--text)}.format-card:hover{border-color:#8aaf9e}.format-card.selected{border-color:var(--accent);background:#f0f7f2}.format-card .radio{width:16px;height:16px;flex-shrink:0;border:1px solid #abbdb4;border-radius:50%;margin-top:4px}.format-card.selected .radio{border:5px solid var(--accent);background:#fff}.format-card strong{display:block;font-size:14px;color:var(--ink)}.format-card .format-meta{display:block;font-size:11px;color:var(--muted);margin-top:4px}.format-card .format-type{display:block;font-size:11px;margin-top:5px}.format-card.warn .format-type{color:var(--warn)}.rec-tag{display:inline-block;margin-left:7px;font-size:9px;font-weight:650;border-radius:4px;background:#dcefe2;color:var(--accent);padding:1px 5px}.format-notice{background:var(--soft);padding:11px 13px;border-radius:7px;font-size:12px;margin-top:13px}.format-advanced{grid-column:1/-1}.format-advanced>summary{font-size:12px;cursor:pointer;color:var(--warn);padding:8px 0}.format-advanced .format-list{margin-top:8px}.download-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}.delivery-panel{margin-top:20px;padding:19px;border:1px solid #a8c5b6;border-radius:10px;background:#f6faf7}.delivery-panel h3{font-size:15px}.delivery-panel p{font-size:12px;color:var(--muted);margin:8px 0 15px}.delivery-actions{display:flex;gap:10px;flex-wrap:wrap}.help-link{display:inline-block;font-size:12px;margin-top:12px}.source-list{display:flex;justify-content:center;gap:14px;font-size:11px;font-weight:600;letter-spacing:.025em;color:#7b8e84;margin:23px auto 72px;flex-wrap:wrap}.source-list span{color:#b5c3bb}.howto,.guides,.faq-section{padding:32px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:260px 1fr;gap:55px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{font-size:24px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.step-number{font-size:11px;color:var(--muted);display:block;margin-bottom:13px}.step h3{font-size:14px;margin-bottom:9px}.step p{font-size:12px;color:var(--muted)}.guide-grid{display:grid;gap:0}.guide-link{display:flex;align-items:center;justify-content:space-between;text-decoration:none;font-size:14px;padding:16px 0;border-bottom:1px solid var(--line);gap:10px;color:var(--ink)}.guide-link:first-child{padding-top:0}.guide-link:last-child{border:0}.guide-link:hover{color:var(--accent)}.faq-list{min-width:0}.faq-item{border-bottom:1px solid var(--line);padding:13px 0}.faq-item:first-child{padding-top:0}.faq-item summary{display:flex;justify-content:space-between;gap:16px;cursor:pointer;font-size:13px;font-weight:600;list-style:none;color:var(--ink)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{color:var(--accent);font-size:17px}.faq-item[open] summary span{transform:rotate(45deg)}.faq-item p{font-size:12px;line-height:1.8;margin-top:12px;color:var(--muted)}.capabilities{max-width:700px;margin:24px auto 40px;text-align:center}.capabilities h2{font-size:15px;letter-spacing:0}.capabilities p{color:var(--muted);font-size:12px;margin-top:9px}.history-panel{margin:36px auto;padding-top:24px;border-top:1px solid var(--line);max-width:866px}.history-heading{display:flex;align-items:center;justify-content:space-between}.history-heading h2{font-size:18px}.text-button{background:none;border:0;font-size:11px;color:var(--muted)}.history-item{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}.history-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.history-reuse{font-size:11px;border:0;color:var(--accent);background:none;white-space:nowrap}.footer{display:flex;align-items:flex-start;justify-content:space-between;border-top:1px solid var(--line);margin:36px 0 0;padding:28px 0 35px;gap:30px}.footer-brand{color:var(--ink);font-weight:700;font-size:20px;text-decoration:none}.footer p{font-size:10px;color:var(--muted);margin-top:8px}.footer nav{display:flex;gap:22px;justify-content:flex-end}.footer nav a{font-size:11px;color:var(--muted);text-decoration:none}.footer>div:last-child{text-align:right}.skip-link{position:absolute;left:16px;top:-80px;padding:10px;background:white;z-index:20}.skip-link:focus{top:10px}.article{max-width:750px;margin:38px auto 65px}.breadcrumb{display:flex;gap:12px;font-size:11px;color:var(--muted);margin-bottom:38px}.breadcrumb a{text-decoration:none}.article h1{font-size:36px;letter-spacing:-.04em;margin:12px 0 18px}.article-intro{font-size:17px;color:var(--muted)}.contents{border:1px solid var(--line);background:#fff;border-radius:10px;padding:17px 21px;display:grid;gap:8px;font-size:13px;margin:30px 0}.article-section{margin:32px 0;scroll-margin-top:20px}.article-section h2{font-size:21px;margin-bottom:14px}.article-section p{font-size:14px;line-height:1.9;margin:11px 0;color:var(--text)}.related{border-top:1px solid var(--line);margin-top:40px;padding-top:23px;display:grid;gap:10px}.related h2{font-size:19px;margin-bottom:10px}.related a{font-size:13px;text-decoration:none}.error-page{max-width:600px;padding:70px 0;margin:auto;text-align:center}.error-page h1{font-size:28px}.error-code{color:var(--accent);font-size:48px}.error-hint{margin:16px 0;color:var(--muted)}.error-back{font-size:14px}.inline{width:auto}
.desktop-option{max-width:866px;margin:-42px auto 45px;display:flex;align-items:center;gap:24px;justify-content:space-between;padding:15px 19px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}.desktop-option h2{font-size:13px;letter-spacing:0}.desktop-option p{font-size:11px;color:var(--muted);margin-top:4px}.desktop-option>a{font-size:11px;white-space:nowrap;font-weight:600;text-decoration:none}.desktop-box{border:1px solid var(--line);border-radius:10px;background:var(--soft);padding:18px;margin:25px 0}.desktop-box p{font-size:13px;margin-bottom:14px}
@media(max-width:680px){.desktop-option{margin:-18px auto 32px;align-items:flex-start;flex-direction:column;gap:10px}}
@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important}}
@media(max-width:900px){.howto,.guides,.faq-section{grid-template-columns:210px 1fr;gap:28px}.steps{gap:18px}.step h3{font-size:13px}}
@media(max-width:680px){.page{padding:0 18px}.site-header{min-height:78px;gap:12px;flex-wrap:wrap}.brand{font-size:22px}.brand img{width:29px;height:29px}.header-links{display:none}.lang-switch{margin-left:auto}.hero{margin:43px auto 25px}.hero h1{font-size:36px;line-height:1.13}.hero .eyebrow{font-size:9px}.subtitle{font-size:14px;max-width:330px}.download-panel{padding:19px 16px;border-radius:12px}.input-row{flex-direction:column;gap:11px}.input-wrap input{height:54px;padding-left:38px;font-size:13px}.input-icon{left:12px;top:17px;width:18px;height:18px}.input-row>.primary{min-height:49px;justify-content:space-between}.hint{font-size:10px}.status{margin-top:19px;font-size:11px}.source-list{gap:9px;font-size:10px;margin:21px auto 41px}.howto,.guides,.faq-section{grid-template-columns:1fr;gap:25px;padding:27px 0}.section-heading h2{font-size:23px}.steps{grid-template-columns:1fr;gap:18px}.step{display:grid;grid-template-columns:30px 1fr;gap:3px 14px}.step-number{grid-row:1/3;margin:2px 0}.step h3{font-size:14px;margin:0}.step p{font-size:12px}.format-list{grid-template-columns:1fr}.video-summary{gap:12px;align-items:flex-start}.video-summary img{width:93px;height:64px}.video-summary h2{font-size:16px}.video-meta{font-size:10px;gap:4px 8px}.video-summary .eyebrow{font-size:9px}.formats-heading{align-items:flex-start}.formats-heading h3{font-size:12px}.formats-heading>span{font-size:10px}.download-actions .primary{flex:1}.delivery-actions .primary{width:100%}.delivery-actions .secondary{width:100%}.footer{flex-direction:column;gap:22px}.footer>div:last-child{text-align:left}.footer nav{justify-content:flex-start}.article{margin-top:26px}.article h1{font-size:29px}.article-intro{font-size:15px}.article-section p{font-size:13px}.breadcrumb{margin-bottom:26px}.article-section h2{font-size:20px}}