body{color:#201f1e;background-color:#f3f2f1;margin:0;padding:0;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.container{background:#fff;border:1px solid #edebe9;border-radius:8px;max-width:850px;margin:40px auto;overflow:hidden;box-shadow:0 4px 12px #00000014}header{color:#fff;text-align:left;background:linear-gradient(135deg,#c43e1c,#9e2f12);align-items:center;gap:20px;padding:15px 30px;display:flex}header .header-logo{object-fit:contain;background:#ffffff26;border-radius:10px;flex-shrink:0;width:52px;height:52px;padding:4px;box-shadow:0 2px 6px #00000026}header .header-text{flex-direction:column;gap:4px;display:flex}header .header-text h1{margin:0;font-size:22px;font-weight:600}header .header-text p{opacity:.9;color:#ffffffe6;margin:0;font-size:14px}.content{padding:30px}section{margin-bottom:30px}section h2{color:#201f1e;border-bottom:2px solid #edebe9;margin-bottom:16px;padding-bottom:8px;font-size:18px}p{color:#605e5c;margin:0 0 12px}.install-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-bottom:24px;display:flex}.install-actions .btn{cursor:pointer;border-radius:4px;align-items:center;font-weight:600;text-decoration:none;transition:background .2s,box-shadow .2s,transform .1s;display:inline-flex}.install-actions .btn--large{color:#fff;background-color:#c43e1c;padding:14px 24px;font-size:15px;box-shadow:0 3px 6px #c43e1c59}.install-actions .btn--large:hover{background-color:#a03114;transform:translateY(-1px)}.install-actions .btn--small{color:#201f1e;background-color:#f3f2f1;border:1px solid #edebe9;padding:10px 16px;font-size:13px}.install-actions .btn--small:hover{background-color:#edebe9}.demo-showcase{background:#faf9f8;border:1px solid #edebe9;border-radius:8px;flex-direction:column;align-items:center;gap:12px;padding:20px;display:flex}.webcam-wrapper{aspect-ratio:4/3;background:#000;border-radius:6px;width:100%;max-width:480px;position:relative;overflow:hidden;box-shadow:0 2px 6px #00000026}.webcam-wrapper video{object-fit:cover;width:100%;height:100%;display:block}.webcam-wrapper canvas{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.result{text-align:center;background:#fff;border:1px solid #edebe9;border-radius:4px;width:100%;max-width:480px;padding:10px;font-size:13px;font-weight:500;box-shadow:0 1px 3px #0000000a}.setting-control{cursor:pointer;align-items:center;gap:8px;margin-top:8px;font-size:14px;display:flex}.instruction-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=600px){.instruction-grid{grid-template-columns:1fr}}.instruction-card{background:#faf9f8;border:1px solid #edebe9;border-radius:6px;align-items:flex-start;gap:14px;padding:16px;transition:all .25s;display:flex}.instruction-card.highlighted{background-color:#c43e1c0a;border-color:#c43e1c;transform:translateY(-2px);box-shadow:0 0 0 2px #c43e1c33}.instruction-card.highlighted .instruction-icon{background-color:#c43e1c1f}.instruction-card.highlighted .instruction-icon img{transform:scale(1.05)}.instruction-card .instruction-icon{background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.instruction-card .instruction-icon img{object-fit:contain;width:32px;height:32px;display:block}.instruction-card .instruction-text strong{color:#201f1e;margin-bottom:4px;font-size:14px;display:block}.instruction-card .instruction-text p{margin:0;font-size:13px}.privacy-box{color:#605e5c;background:#c43e1c0d;border-left:4px solid #c43e1c;border-radius:0 6px 6px 0;padding:14px 16px;font-size:13px;font-style:italic}footer{text-align:center;color:#605e5c;background:#faf9f8;border-top:1px solid #edebe9;padding:20px 30px;font-size:12px}html{scroll-behavior:smooth}section[id]{scroll-margin-top:84px}.topbar{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fffffff5;border-bottom:1px solid #edebe9;position:sticky;top:0}.topbar__inner{align-items:center;gap:24px;max-width:1100px;margin:0 auto;padding:10px 24px;display:flex}.topbar__brand{color:#201f1e;white-space:nowrap;align-items:center;gap:12px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.topbar__brand img{object-fit:contain;border-radius:10px;width:40px;height:40px}.topbar__links{flex:1;justify-content:center;gap:28px;display:flex}.topbar__links a{color:#201f1e;white-space:nowrap;border-bottom:2px solid #0000;padding:6px 0;font-size:14px;font-weight:500;text-decoration:none;transition:color .15s,border-color .15s}.topbar__links a:hover{color:#c43e1c;border-bottom-color:#c43e1c}@media (width<=760px){.topbar__inner{flex-wrap:wrap;gap:10px 16px}.topbar__brand{flex:1}.topbar__links{order:3;justify-content:flex-start;gap:20px;width:100%;overflow-x:auto}}.install-split{flex-shrink:0;align-items:stretch;display:flex;position:relative}.install-split__main{color:#fff;background:#c43e1c;border-radius:6px 0 0 6px;align-items:center;padding:9px 16px;font-size:13px;font-weight:600;text-decoration:none;display:flex}.install-split__main:hover{background:#a03114}.install-split__more{display:flex}.install-split__more summary{cursor:pointer;background:#c43e1c;border-left:1px solid #ffffff59;border-radius:0 6px 6px 0;align-items:center;padding:0 12px;list-style:none;display:flex}.install-split__more summary::-webkit-details-marker{display:none}.install-split__more summary:after{content:"";border:5px solid #0000;border-top-color:#fff;margin-top:5px}.install-split__more summary:hover{background:#a03114}.install-split__menu{background:#fff;border:1px solid #edebe9;border-radius:6px;min-width:200px;position:absolute;top:calc(100% + 6px);right:0;overflow:hidden;box-shadow:0 4px 12px #0000001f}.install-split__menu a{color:#201f1e;padding:10px 14px;font-size:13px;text-decoration:none;display:block}.install-split__menu a:hover{background:#f3f2f1}.faq-item{background:#faf9f8;border:1px solid #edebe9;border-radius:8px;margin-bottom:12px;overflow:hidden}.faq-item summary{color:#201f1e;cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;font-size:15px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"";border-bottom:2px solid #605e5c;border-right:2px solid #605e5c;flex-shrink:0;width:8px;height:8px;transition:transform .2s;transform:rotate(45deg)}.faq-item summary:hover{background:#f3f2f1}.faq-item[open] summary:after{transform:rotate(-135deg)}.faq-item .faq-body{padding:4px 16px 16px}.faq-item h3{color:#201f1e;margin:20px 0 6px;font-size:14px}.faq-item .cmd-list{margin:8px 0 12px}.faq-item .cmd-row{align-items:stretch;gap:8px;margin-bottom:6px;display:flex}.faq-item .cmd-row code{white-space:nowrap;background:#fff;border:1px solid #edebe9;border-radius:4px;flex:1;padding:8px 12px;font-family:Consolas,Courier New,monospace;font-size:13px;overflow-x:auto}.faq-item .cmd-row button{color:#201f1e;cursor:pointer;background:#fff;border:1px solid #edebe9;border-radius:4px;flex-shrink:0;padding:0 14px;font-weight:600}.faq-item .cmd-row button:hover{background:#f3f2f1}.faq-item .guide-download{color:#c43e1c;border:1px solid #c43e1c;border-radius:4px;padding:8px 14px;font-weight:600;text-decoration:none;display:inline-block}.faq-item .guide-download:hover{background:#c43e1c0f}.faq-item .guide-warning{background:#fff4ce;border-left:4px solid #ffb900;border-radius:2px;margin:14px 0 0;padding:10px 12px;font-size:13px}.faq-item .video-preview-card{max-width:420px;color:inherit;background:#fff;border:1px solid #edebe9;border-radius:8px;margin:14px 0;text-decoration:none;transition:box-shadow .15s;display:block;overflow:hidden}.faq-item .video-preview-card:hover{box-shadow:0 2px 10px #00000026}.faq-item .video-preview-card .thumbnail-container{line-height:0;position:relative}.faq-item .video-preview-card .thumbnail-container img{width:100%;height:auto;display:block}.faq-item .video-preview-card .thumbnail-container .play-icon{text-align:center;color:#fff;background:#000000a6;border-radius:50%;width:56px;height:56px;font-size:24px;line-height:56px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.faq-item .video-preview-card .video-title{padding:10px 12px;font-size:14px;font-weight:600;display:block}