#vilros-learn{--vl-bg:#f8f7f4;--vl-white:#fff;--vl-ink:#172e42;--vl-muted:#65717b;--vl-line:#e2e6e5;--vl-blue:#306c9a;--vl-blue-soft:#eaf2f7;--vl-teal:#28776d;--vl-teal-soft:#eaf3ed;--vl-peach:#f7eae0;--vl-header:52px;--vl-top:68px;--vl-radius:24px;font-family:var(--font-inter), Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--vl-ink);background:var(--vl-bg);isolation:isolate;-webkit-font-smoothing:antialiased;font-size:16px;font-weight:400;line-height:1.6;position:relative}#vilros-learn *,#vilros-learn :before,#vilros-learn :after{box-sizing:border-box}#vilros-learn [hidden]{display:none!important}#vilros-learn a{color:inherit;text-decoration:none}#vilros-learn button,#vilros-learn input,#vilros-learn select{font:inherit;color:inherit}#vilros-learn button{cursor:pointer;background:0 0;border:0}#vilros-learn button:disabled{cursor:not-allowed;opacity:.5}#vilros-learn :focus-visible{outline:3px solid var(--vl-blue);outline-offset:4px}#vilros-learn h1,#vilros-learn h2,#vilros-learn h3,#vilros-learn p,#vilros-learn figure{margin:0}#vilros-learn h1,#vilros-learn h2,#vilros-learn h3{letter-spacing:-.04em;font-weight:650;line-height:1.12}#vilros-learn h2{font-size:clamp(28px,2.55vw,39px)}#vilros-learn h3{letter-spacing:-.025em;font-size:19px}#vilros-learn img{max-width:100%;display:block}#vilros-learn .vl-icon{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0;width:20px;height:20px;display:inline-block}#vilros-learn .vl-sr{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}#vilros-learn .vl-skip{z-index:100;background:var(--vl-ink);color:#fff;border-radius:8px;padding:12px 20px;position:absolute;top:-100px;left:24px}#vilros-learn .vl-skip:focus{top:12px}#vilros-learn .vl-layout{grid-template-columns:284px minmax(0,1fr);align-items:start;gap:36px;max-width:1432px;margin:0 auto;padding:28px 32px 80px;display:grid}#vilros-learn .vl-sidebar{top:var(--vl-top);height:calc(100dvh - var(--vl-top) - 20px);z-index:15;grid-template-rows:minmax(0,1fr) minmax(0,1fr);gap:14px;min-height:0;display:grid;position:sticky}#vilros-learn .vl-toc-box,#vilros-learn .vl-shop-box{border:1px solid var(--vl-line);background:#ffffffd4;border-radius:22px;flex-direction:column;min-height:0;display:flex;overflow:hidden}#vilros-learn .vl-toc-box{background:#ffffff73}#vilros-learn .vl-rail-heading{justify-content:space-between;align-items:center;gap:10px;padding:17px 19px 10px;display:flex}#vilros-learn .vl-label{color:var(--vl-muted);font-size:13px;font-weight:700}#vilros-learn .vl-chapter-count{color:var(--vl-muted);font-size:13px}#vilros-learn .vl-toc{overscroll-behavior:contain;scrollbar-width:thin;flex:1;min-height:0;padding:0 10px 9px;overflow-y:auto}#vilros-learn .vl-toc a{color:#536371;border-radius:9px;align-items:center;gap:11px;min-height:35px;padding:6px 10px;font-size:15px;transition:background .15s,color .15s;display:flex}#vilros-learn .vl-toc a:hover{background:#eef2f3}#vilros-learn .vl-toc a[aria-current=location]{color:var(--vl-blue);background:var(--vl-blue-soft);font-weight:650}#vilros-learn .vl-chapter-no{font-variant-numeric:tabular-nums;color:#8b969d;min-width:18px;font-size:13px}#vilros-learn .vl-toc a[aria-current=location] .vl-chapter-no{color:var(--vl-blue)}#vilros-learn .vl-progress-wrap{color:var(--vl-muted);padding:8px 19px 14px;font-size:13px}#vilros-learn .vl-progress-track{background:#e5eae9;border-radius:10px;height:3px;margin-bottom:7px;overflow:hidden}#vilros-learn .vl-progress-fill{background:var(--vl-teal);width:0%;height:100%;transition:width .2s}#vilros-learn .vl-shop-head{border-bottom:1px solid var(--vl-line);background:linear-gradient(130deg,#edf4f2,#f5f8fa);flex-shrink:0;padding:16px 17px 10px}#vilros-learn .vl-shop-title-line{justify-content:space-between;align-items:center;gap:9px;display:flex}#vilros-learn .vl-shop-head h2{letter-spacing:-.045em;font-size:19px}#vilros-learn .vl-shop-head p{color:var(--vl-muted);margin-top:4px;font-size:13px}#vilros-learn .vl-shop-tools{align-items:center;gap:5px;margin-top:10px;display:flex}#vilros-learn .vl-shop-filter{min-height:27px;color:var(--vl-muted);border-radius:20px;padding:3px 9px;font-size:13px}#vilros-learn .vl-shop-filter[aria-pressed=true]{color:var(--vl-ink);background:#fff;font-weight:600;box-shadow:0 1px 4px #182e4210}#vilros-learn .vl-clear-selection{min-height:27px;color:var(--vl-muted);text-underline-offset:3px;margin-left:auto;font-size:13px;text-decoration:underline}#vilros-learn .vl-shop-items{scrollbar-width:thin;overscroll-behavior:contain;flex:1;min-height:0;padding:4px 13px;overflow-y:auto}#vilros-learn .vl-shop-row{border-bottom:1px solid #edf0ef;grid-template-columns:17px 35px minmax(0,1fr) 39px;align-items:center;gap:7px;min-height:67px;padding:9px 0;display:grid}#vilros-learn .vl-shop-row:last-child{border-bottom:0}#vilros-learn .vl-shop-row input{width:15px;height:15px;accent-color:var(--vl-teal);cursor:pointer;margin:0}#vilros-learn .vl-thumb{background:#f1f4f1;border-radius:8px;place-items:center;width:35px;height:36px;display:grid;position:relative;overflow:hidden}#vilros-learn .vl-thumb .vl-icon{width:23px;height:23px;color:var(--vl-teal)}#vilros-learn .vl-thumb img{object-fit:contain;background:#fff;width:100%;height:100%;position:absolute;inset:0}#vilros-learn .vl-shop-item-name{font-size:14px;font-weight:600;line-height:1.3;display:block}#vilros-learn .vl-shop-item-name:hover{text-underline-offset:3px;text-decoration:underline}#vilros-learn .vl-shop-row select{width:100%;max-width:100%;height:19px;color:var(--vl-muted);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:0;padding:0 12px 0 0;font-size:12px;display:block}#vilros-learn .vl-shop-price{margin-top:3px;font-size:13px;font-weight:600;line-height:1.2;display:block}#vilros-learn .vl-add-small{min-width:39px;height:33px;color:var(--vl-teal);background:#eff5f1;border:1px solid #d5e4dc;border-radius:9px;font-size:13px;font-weight:600}#vilros-learn .vl-add-small:hover{background:#deeee5}#vilros-learn .vl-shop-foot{border-top:1px solid var(--vl-line);background:#fff;flex-shrink:0;padding:10px 15px 12px}#vilros-learn .vl-selected-total{justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:14px;display:flex}#vilros-learn .vl-selected-total strong{font-variant-numeric:tabular-nums;font-size:16px}#vilros-learn .vl-shop-foot .vl-btn{border-radius:11px;justify-content:center;gap:8px;width:100%;min-height:37px;padding:8px 9px;font-size:14px}#vilros-learn .vl-shop-note{color:var(--vl-muted);text-align:center;margin-top:6px;font-size:12px;line-height:1.4}#vilros-learn .vl-sheet-close{display:none}#vilros-learn .vl-main{min-width:0}#vilros-learn .vl-breadcrumb{color:var(--vl-muted);align-items:center;gap:9px;margin:0 0 17px;font-size:14px;display:flex}#vilros-learn .vl-breadcrumb a:hover{text-decoration:underline}#vilros-learn .vl-breadcrumb .vl-icon{width:12px;height:12px}#vilros-learn .vl-hero{background:linear-gradient(118deg,#f3f7f8 15%,#eaf2f6 75%,#e7efeb 100%);border:1px solid #dee7e9;border-radius:28px;grid-template-columns:1.3fr 1fr;align-items:center;gap:0;min-height:312px;display:grid;position:relative;overflow:hidden}#vilros-learn .vl-hero:before{content:"";pointer-events:none;border:1px solid #ffffff8c;border-radius:50%;width:390px;height:390px;position:absolute;top:-185px;right:-100px}#vilros-learn .vl-hero-copy{z-index:2;padding:32px 0 31px 35px;position:relative}#vilros-learn .vl-eyebrow{color:var(--vl-blue);align-items:center;gap:8px;margin-bottom:13px;font-size:13px;font-weight:650;display:flex}#vilros-learn .vl-eyebrow:before{content:"";background:currentColor;width:17px;height:2px;display:block}#vilros-learn h1{letter-spacing:-.055em;max-width:500px;font-size:clamp(36px,3.5vw,52px);line-height:1.06}#vilros-learn h1 span{color:var(--vl-blue)}#vilros-learn .vl-hero-copy>p{max-width:410px;color:var(--vl-muted);margin-top:15px;font-size:16px;line-height:1.7}#vilros-learn .vl-actions{flex-wrap:wrap;align-items:center;gap:17px;margin-top:22px;display:flex}#vilros-learn .vl-btn{background:var(--vl-ink);color:#fff;border:1px solid #0000;border-radius:30px;justify-content:center;align-items:center;gap:10px;min-height:43px;padding:10px 17px;font-size:15px;font-weight:600;line-height:1.4;transition:background .2s,transform .2s;display:inline-flex}#vilros-learn .vl-btn:hover{background:#284b61;transform:translateY(-1px)}#vilros-learn .vl-btn .vl-icon{width:16px;height:16px}#vilros-learn .vl-btn-teal{background:var(--vl-teal)}#vilros-learn .vl-btn-teal:hover{background:#1d615a}#vilros-learn .vl-btn-light{color:var(--vl-ink);border-color:var(--vl-line);background:#fff}#vilros-learn .vl-btn-light:hover{background:var(--vl-blue-soft)}#vilros-learn .vl-text-link{color:var(--vl-blue);align-items:center;gap:7px;font-size:15px;font-weight:550;line-height:1.4;display:inline-flex}#vilros-learn .vl-text-link:hover{text-underline-offset:4px;text-decoration:underline}#vilros-learn .vl-text-link .vl-icon{width:15px;height:15px}#vilros-learn .vl-hero-art{min-width:0;height:290px;position:relative}#vilros-learn .vl-hero-art>svg{width:100%;height:100%}#vilros-learn .vl-beginner-badge{background:#ffffffdb;border:1px solid #ffffffc9;border-radius:16px;align-items:center;gap:9px;min-width:175px;padding:10px 13px;display:flex;position:absolute;bottom:21px;right:19px;transform:rotate(-3deg);box-shadow:0 6px 24px #1a3e5310}#vilros-learn .vl-beginner-badge>svg{width:35px;height:35px;color:var(--vl-teal);flex-shrink:0}#vilros-learn .vl-beginner-badge strong{font-size:14px;font-weight:650;line-height:1.3;display:block}#vilros-learn .vl-beginner-badge span{color:var(--vl-muted);font-size:12px;display:block}#vilros-learn .vl-below-hero{color:var(--vl-muted);flex-wrap:wrap;align-items:center;gap:22px;padding:14px 2px 0;font-size:13px;display:flex}#vilros-learn .vl-below-hero span{align-items:center;gap:6px;display:inline-flex}#vilros-learn .vl-below-hero .vl-icon{width:13px;height:13px}#vilros-learn .vl-section{border-top:1px solid var(--vl-line);scroll-margin-top:calc(var(--vl-top) + 13px);margin-top:36px;padding-top:46px}#vilros-learn .vl-overview{border-top:0;margin-top:46px;padding-top:0}#vilros-learn .vl-section-head{justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:23px;display:flex}#vilros-learn .vl-section-head>div{max-width:720px}#vilros-learn .vl-kicker{color:var(--vl-teal);margin-bottom:12px;font-size:13px;font-weight:650}#vilros-learn .vl-intro{color:var(--vl-muted);max-width:690px;margin-top:12px;font-size:16px;line-height:1.8}#vilros-learn .vl-overview-layout{grid-template-columns:1fr 1.03fr;align-items:center;gap:38px;display:grid}#vilros-learn .vl-overview h2{max-width:390px}#vilros-learn .vl-overview-copy{max-width:420px;color:var(--vl-muted);margin-top:16px;font-size:16px;line-height:1.85}#vilros-learn .vl-worlds{border-left:1px solid var(--vl-line);flex-direction:column;gap:1px;padding-left:28px;display:flex}#vilros-learn .vl-world{grid-template-columns:47px 1fr;align-items:center;gap:16px;padding:13px 0;display:grid}#vilros-learn .vl-world-icon{background:var(--vl-blue-soft);width:47px;height:47px;color:var(--vl-blue);border-radius:15px;place-items:center;display:grid}#vilros-learn .vl-world:nth-child(2) .vl-world-icon{background:var(--vl-peach);color:#956641}#vilros-learn .vl-world:nth-child(3) .vl-world-icon{background:var(--vl-teal-soft);color:var(--vl-teal)}#vilros-learn .vl-world .vl-icon{width:25px;height:25px}#vilros-learn .vl-world h3{letter-spacing:-.02em;margin-bottom:5px;font-size:16px}#vilros-learn .vl-world p{color:var(--vl-muted);font-size:14px;line-height:1.65}#vilros-learn .vl-small-note{color:var(--vl-muted);margin-top:21px;font-size:13px;line-height:1.6}#vilros-learn .vl-board-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;display:grid}#vilros-learn .vl-board-card{border:1px solid var(--vl-line);background:#fffc;border-radius:20px;flex-direction:column;gap:12px;padding:20px;display:flex;position:relative}#vilros-learn .vl-board-card.featured{background:linear-gradient(150deg,#eff5f3,#fff);border-color:#c8dfd7}#vilros-learn .vl-board-card figure{place-items:center;height:112px;display:grid}#vilros-learn .vl-board-card figure svg{filter:drop-shadow(0 8px 6px #19352f12);width:170px;max-width:100%;height:110px}#vilros-learn .vl-board-card p{color:var(--vl-muted);flex:1;font-size:14px;line-height:1.7}#vilros-learn .vl-board-card h3{font-size:19px}#vilros-learn .vl-board-tag{color:var(--vl-teal);font-size:12px;font-weight:650;line-height:1.2}#vilros-learn .vl-board-card:not(.featured) .vl-board-tag{color:var(--vl-muted)}#vilros-learn .vl-board-card .vl-text-link{font-size:14px}#vilros-learn .vl-fit-note{color:var(--vl-muted);align-items:flex-start;gap:9px;padding:14px 0 0;font-size:14px;line-height:1.75;display:flex}#vilros-learn .vl-fit-note .vl-icon{width:15px;height:15px;margin-top:2px}#vilros-learn .vl-essentials-bar{background:var(--vl-blue-soft);color:var(--vl-blue);border-radius:13px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding:13px 16px;font-size:14px;line-height:1.6;display:flex}#vilros-learn .vl-essentials-bar strong{font-weight:650}#vilros-learn .vl-products-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;display:grid}#vilros-learn .vl-product{border:1px solid var(--vl-line);background:#ffffffe6;border-radius:18px;flex-direction:column;min-width:0;padding:16px;display:flex}#vilros-learn .vl-product.vl-owned{background:#f3f7f2;border-color:#cfdfd0}#vilros-learn .vl-product-top{align-items:center;gap:12px;margin-bottom:12px;display:flex}#vilros-learn .vl-product-top .vl-thumb{border-radius:12px;flex-shrink:0;width:48px;height:48px}#vilros-learn .vl-product-top .vl-icon{width:28px;height:28px}#vilros-learn .vl-product-category{color:var(--vl-muted);margin-bottom:5px;font-size:12px;display:block}#vilros-learn .vl-product h3{letter-spacing:-.015em;font-size:16px;line-height:1.35}#vilros-learn .vl-product h3 a:hover{text-underline-offset:3px;text-decoration:underline}#vilros-learn .vl-product h3 .vl-icon{vertical-align:baseline;width:11px;height:11px}#vilros-learn .vl-product-description{color:var(--vl-muted);flex:1;margin-bottom:12px;font-size:14px;line-height:1.7}#vilros-learn .vl-product select{border:1px solid var(--vl-line);text-overflow:ellipsis;background:#fbfcfc;border-radius:8px;width:100%;max-width:100%;min-height:32px;margin-bottom:8px;padding:5px 25px 5px 8px;font-size:13px}#vilros-learn .vl-product-buy{justify-content:space-between;align-items:center;gap:7px;display:flex}#vilros-learn .vl-product-price{font-variant-numeric:tabular-nums;font-size:16px;font-weight:600}#vilros-learn .vl-product .vl-add-small{background:#edf4f0;min-width:77px;padding:0 9px;font-size:13px}#vilros-learn .vl-owned-button{color:var(--vl-muted);text-align:left;align-items:center;gap:5px;min-height:31px;padding:9px 0 0;font-size:12px;display:flex}#vilros-learn .vl-owned-button[aria-pressed=true]{color:var(--vl-teal);font-weight:600}#vilros-learn .vl-owned-button .vl-icon{width:12px;height:12px}#vilros-learn .vl-extras-title{justify-content:space-between;align-items:center;gap:10px;margin:23px 0 12px;display:flex}#vilros-learn .vl-extras-title h3{font-size:16px}#vilros-learn .vl-extras-title span{color:var(--vl-muted);font-size:13px}#vilros-learn .vl-wifi-note{color:var(--vl-muted);background:#eeefeb;border-radius:12px;align-items:flex-start;gap:11px;margin-top:17px;padding:13px 15px;font-size:14px;display:flex}#vilros-learn .vl-wifi-note .vl-icon{color:var(--vl-teal);flex-shrink:0;width:18px;height:18px}#vilros-learn .vl-wifi-note a{text-underline-offset:3px;text-decoration:underline}#vilros-learn .vl-os-panel{background:linear-gradient(125deg,#eef4f8,#f3f7f6);border:1px solid #dde8ec;border-radius:25px;padding:25px}#vilros-learn .vl-preloaded{background:#f8fcf7;border:1px solid #d5e4da;border-radius:12px;justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px;padding:12px 15px;font-size:14px;display:flex}#vilros-learn .vl-preloaded span{align-items:center;gap:8px;display:flex}#vilros-learn .vl-preloaded .vl-icon{width:16px;height:16px;color:var(--vl-teal)}#vilros-learn .vl-os-layout{grid-template-columns:1.1fr 1fr;align-items:center;gap:26px;display:grid}#vilros-learn .vl-step-list{flex-direction:column;gap:21px;margin:0;padding:0;list-style:none;display:flex}#vilros-learn .vl-step{grid-template-columns:28px 1fr;align-items:start;gap:12px;display:grid}#vilros-learn .vl-step-no{border:1px solid var(--vl-line);width:28px;height:28px;color:var(--vl-blue);background:#fff;border-radius:50%;flex-shrink:0;place-items:center;font-size:13px;font-weight:600;display:grid}#vilros-learn .vl-step h3{letter-spacing:-.02em;margin:4px 0 7px;font-size:16px}#vilros-learn .vl-step p{color:var(--vl-muted);font-size:14px;line-height:1.8}#vilros-learn .vl-step .vl-text-link{margin-top:9px;font-size:14px}#vilros-learn .vl-imager{background:#fffffff2;border:1px solid #dfe6e8;border-radius:17px;overflow:hidden;transform:rotate(1.4deg);box-shadow:0 18px 40px -22px #21405640}#vilros-learn .vl-imager-title{border-bottom:1px solid #edf0f0;align-items:center;gap:6px;padding:13px 16px;font-size:13px;font-weight:600;display:flex}#vilros-learn .vl-window-dots{gap:4px;margin-right:9px;display:flex}#vilros-learn .vl-window-dots i{background:#c9d2d6;border-radius:50%;width:5px;height:5px}#vilros-learn .vl-imager-body{padding:19px}#vilros-learn .vl-imager-body h4{letter-spacing:-.02em;margin:0 0 4px;font-size:16px;font-weight:600}#vilros-learn .vl-imager-body>p{color:var(--vl-muted);margin-bottom:17px;font-size:12px}#vilros-learn .vl-imager-option{border:1px solid var(--vl-line);border-radius:10px;justify-content:space-between;align-items:center;margin-top:9px;padding:10px 12px;font-size:14px;display:flex}#vilros-learn .vl-imager-option small{color:var(--vl-muted);margin-bottom:3px;font-size:12px;display:block}#vilros-learn .vl-imager-option .vl-icon{width:13px;height:13px}#vilros-learn .vl-imager-write{text-align:center;background:var(--vl-blue);color:#fff;border-radius:10px;margin-top:16px;padding:9px;font-size:13px}#vilros-learn .vl-illustration-caption{text-align:center;color:var(--vl-muted);margin-top:11px;font-size:12px}#vilros-learn .vl-caution{color:#7a593b;background:#f8efdf;border-radius:11px;align-items:flex-start;gap:9px;margin-top:22px;padding:12px 14px;font-size:13px;line-height:1.7;display:flex}#vilros-learn .vl-caution .vl-icon{width:15px;height:15px;margin-top:1px}#vilros-learn .vl-boot-layout{grid-template-columns:1fr 1fr;align-items:center;gap:30px;display:grid}#vilros-learn .vl-desktop-art{background:linear-gradient(120deg,#f0f3ee,#f4f2eb);border-radius:22px;padding:22px 15px}#vilros-learn .vl-desktop-art svg{width:100%;height:auto;display:block}#vilros-learn .vl-shutdown{color:var(--vl-muted);border-left:2px solid var(--vl-teal);background:#f0f4f0;margin-top:18px;padding:13px 16px;font-size:14px}#vilros-learn .vl-gpio-layout{grid-template-columns:.88fr 1.12fr;align-items:stretch;gap:27px;display:grid}#vilros-learn .vl-gpio-intro{background:#eaf1ec;border-radius:21px;flex-direction:column;justify-content:space-between;gap:15px;padding:23px;display:flex}#vilros-learn .vl-gpio-intro h3{max-width:230px;font-size:21px}#vilros-learn .vl-gpio-intro p{color:var(--vl-muted);font-size:14px;line-height:1.8}#vilros-learn .vl-pins-art{width:100%;height:85px}#vilros-learn .vl-pin-links{border:1px solid var(--vl-line);background:#fff;border-radius:18px;overflow:hidden}#vilros-learn .vl-pin-link{border-bottom:1px solid #edf0ef;align-items:center;gap:12px;padding:13px 16px;font-size:15px;transition:background .2s;display:flex}#vilros-learn .vl-pin-link:last-child{border-bottom:0}#vilros-learn .vl-pin-link:hover{background:var(--vl-blue-soft)}#vilros-learn .vl-pin-number{width:33px;height:33px;color:var(--vl-blue);background:#f0f4f4;border-radius:10px;flex-shrink:0;place-items:center;font-size:14px;font-weight:600;display:grid}#vilros-learn .vl-pin-link strong{font-size:14px;font-weight:550;display:block}#vilros-learn .vl-pin-link small{color:var(--vl-muted);font-size:12px}#vilros-learn .vl-pin-link>.vl-icon{width:16px;height:16px;color:var(--vl-blue);margin-left:auto}#vilros-learn .vl-help-layout{grid-template-columns:1.35fr 1fr;align-items:start;gap:27px;display:grid}#vilros-learn .vl-faq{border-bottom:1px solid var(--vl-line)}#vilros-learn .vl-faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:15px;padding:17px 0;font-size:15px;font-weight:550;line-height:1.5;list-style:none;display:flex}#vilros-learn .vl-faq summary::-webkit-details-marker{display:none}#vilros-learn .vl-faq summary .vl-icon{width:15px;height:15px;color:var(--vl-muted);transition:transform .2s}#vilros-learn .vl-faq[open] summary .vl-icon{transform:rotate(45deg)}#vilros-learn .vl-faq p{color:var(--vl-muted);padding:0 23px 17px 0;font-size:14px;line-height:1.85}#vilros-learn .vl-support{border:1px solid var(--vl-line);background:#fff;border-radius:21px;padding:25px}#vilros-learn .vl-support h3{margin:12px 0;font-size:23px}#vilros-learn .vl-support p{color:var(--vl-muted);margin-bottom:18px;font-size:14px;line-height:1.8}#vilros-learn .vl-support>.vl-icon{width:30px;height:30px;color:var(--vl-teal)}#vilros-learn .vl-support .vl-text-link{margin-top:12px;font-size:13px;display:flex}#vilros-learn .vl-finish{color:#fff;background:linear-gradient(110deg,#17364b,#27545d);border-radius:26px;justify-content:space-between;align-items:center;gap:35px;margin-top:38px;padding:33px;display:flex;position:relative;overflow:hidden}#vilros-learn .vl-finish:after{content:"";pointer-events:none;border:1px solid #ffffff17;border-radius:50%;width:220px;height:220px;position:absolute;bottom:-130px;right:-130px}#vilros-learn .vl-finish h2{max-width:430px;font-size:29px}#vilros-learn .vl-finish p{color:#c6d8de;max-width:380px;margin-top:12px;font-size:14px;line-height:1.8}#vilros-learn .vl-finish .vl-kicker{color:#bad9cd}#vilros-learn .vl-finish .vl-btn{color:var(--vl-ink);white-space:nowrap;background:#fff;font-size:14px}#vilros-learn .vl-footer{color:var(--vl-muted);justify-content:space-between;align-items:flex-start;gap:22px;padding:25px 0 0;font-size:12px;line-height:1.8;display:flex}#vilros-learn .vl-footer a{text-underline-offset:3px;text-decoration:underline}#vilros-learn .vl-footer-sources{max-width:580px}#vilros-learn .vl-toast{z-index:80;background:var(--vl-ink);color:#fff;border-radius:14px;align-items:center;gap:12px;max-width:400px;padding:14px 19px;font-size:15px;line-height:1.6;display:flex;position:fixed;bottom:25px;right:25px;box-shadow:0 12px 36px #172e4230}#vilros-learn .vl-toast[data-error=true]{background:#8c4031}#vilros-learn .vl-toast a{white-space:nowrap;flex-shrink:0;text-decoration:underline}#vilros-learn .vl-search-dialog,#vilros-learn .vl-bag-dialog{border:1px solid var(--vl-line);background:var(--vl-bg);width:min(590px,100vw - 28px);max-height:80dvh;color:var(--vl-ink);border-radius:22px;margin:auto;padding:0;box-shadow:0 25px 80px #142e4435}#vilros-learn dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#132a4055}#vilros-learn .vl-dialog-head{border-bottom:1px solid var(--vl-line);justify-content:space-between;align-items:center;gap:15px;padding:21px 23px 17px;display:flex}#vilros-learn .vl-dialog-head h2{font-size:24px}#vilros-learn .vl-dialog-close{border:1px solid var(--vl-line);background:#fff;border-radius:50%;place-items:center;width:34px;height:34px;display:grid}#vilros-learn .vl-search-field{border-bottom:1px solid var(--vl-line);background:#fff;align-items:center;gap:12px;padding:17px 23px;display:flex}#vilros-learn .vl-search-field input{outline-offset:2px;background:0 0;border:0;width:100%;min-height:32px;font-size:16px}#vilros-learn .vl-search-results{max-height:48dvh;padding:10px;overflow:auto}#vilros-learn .vl-search-result{border-radius:10px;padding:13px 14px;display:block}#vilros-learn .vl-search-result:hover{background:var(--vl-blue-soft)}#vilros-learn .vl-search-result strong{font-size:16px;display:block}#vilros-learn .vl-search-result span{color:var(--vl-muted);font-size:14px}#vilros-learn .vl-search-empty{color:var(--vl-muted);padding:20px;font-size:16px}#vilros-learn .vl-bag-content{padding:20px 23px}#vilros-learn .vl-bag-intro{color:var(--vl-muted);margin-bottom:15px;font-size:15px;line-height:1.8}#vilros-learn .vl-bag-line{border-bottom:1px solid var(--vl-line);justify-content:space-between;align-items:center;gap:13px;padding:12px 0;font-size:15px;display:flex}#vilros-learn .vl-bag-line small{color:var(--vl-muted);font-size:13px;display:block}#vilros-learn .vl-bag-line button{color:var(--vl-muted);padding:7px 0;font-size:13px;text-decoration:underline}#vilros-learn .vl-bag-total{justify-content:space-between;padding:15px 0;font-size:16px;display:flex}#vilros-learn .vl-no-js{background:#fff5dc;border:1px solid #dec9a3;border-radius:12px;margin:18px 0;padding:14px 18px;font-size:15px}#vilros-learn .vl-mobile-bar,#vilros-learn .vl-scrim{display:none}@media (min-width:1700px){#vilros-learn .vl-hero{min-height:326px}#vilros-learn .vl-hero-copy>p{font-size:16px}}@media (max-width:1180px){#vilros-learn .vl-layout{grid-template-columns:254px minmax(0,1fr);gap:25px;padding:22px 24px 70px}#vilros-learn h1{font-size:41px}#vilros-learn .vl-hero-copy{padding-left:26px}#vilros-learn .vl-hero{grid-template-columns:1.35fr 1fr}#vilros-learn .vl-hero-art{height:260px}#vilros-learn .vl-beginner-badge{gap:6px;min-width:155px;padding:8px;bottom:15px;right:10px;transform:rotate(-3deg)}#vilros-learn .vl-beginner-badge>svg{width:30px;height:30px}#vilros-learn .vl-beginner-badge strong{font-size:13px}#vilros-learn .vl-overview-layout{gap:25px}#vilros-learn .vl-worlds{padding-left:20px}#vilros-learn .vl-board-card{padding:16px}#vilros-learn .vl-board-card h3{font-size:17px}#vilros-learn .vl-products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}#vilros-learn .vl-products-grid.vl-extras-grid{grid-template-columns:repeat(3,minmax(0,1fr))}#vilros-learn .vl-extras-grid .vl-product-top,#vilros-learn .vl-extras-grid .vl-product-buy{flex-direction:column;align-items:flex-start}#vilros-learn .vl-shop-row{grid-template-columns:16px 29px minmax(0,1fr) 35px;gap:6px}#vilros-learn .vl-shop-row .vl-thumb{width:29px;height:32px}#vilros-learn .vl-shop-row .vl-add-small{min-width:35px}#vilros-learn .vl-shop-head h2{font-size:17px}#vilros-learn .vl-os-panel{padding:20px}#vilros-learn .vl-os-layout{grid-template-columns:1.15fr 1fr;gap:20px}#vilros-learn .vl-imager-body{padding:13px}#vilros-learn .vl-finish{gap:20px;padding:27px}#vilros-learn .vl-finish h2{font-size:25px}}@media (max-width:980px){#vilros-learn{--vl-header:52px;--vl-top:68px}#vilros-learn .vl-layout{max-width:850px;padding:22px 26px 95px;display:block}#vilros-learn .vl-sidebar{display:none}#vilros-learn .vl-sidebar.vl-is-open{height:min(640px,86dvh);padding:0 0 env(safe-area-inset-bottom);z-index:65;background:var(--vl-bg);border-radius:24px 24px 0 0;display:block;position:fixed;inset:auto 0 0;box-shadow:0 -15px 50px #122b4425}#vilros-learn .vl-sidebar.vl-is-open .vl-toc-box,#vilros-learn .vl-sidebar.vl-is-open .vl-shop-box{border:0;border-radius:24px 24px 0 0;height:100%}#vilros-learn .vl-sidebar[data-sheet=guide] .vl-shop-box,#vilros-learn .vl-sidebar[data-sheet=shop] .vl-toc-box{display:none}#vilros-learn .vl-sheet-close{border:1px solid var(--vl-line);background:#fff;border-radius:50%;place-items:center;width:36px;height:36px;display:grid}#vilros-learn .vl-toc a{min-height:52px;padding:8px 14px;font-size:16px}#vilros-learn .vl-chapter-no{font-size:15px}#vilros-learn .vl-rail-heading{padding:22px 24px 14px}#vilros-learn .vl-label,#vilros-learn .vl-chapter-count{font-size:15px}#vilros-learn .vl-progress-wrap{padding:15px 24px;font-size:15px}#vilros-learn .vl-shop-head{padding:18px 23px 12px}#vilros-learn .vl-shop-head h2{font-size:23px}#vilros-learn .vl-shop-head p{font-size:15px}#vilros-learn .vl-shop-tools{gap:10px}#vilros-learn .vl-shop-filter,#vilros-learn .vl-clear-selection{min-height:34px;font-size:15px}#vilros-learn .vl-shop-items{padding:5px 23px}#vilros-learn .vl-shop-row{grid-template-columns:20px 45px minmax(0,1fr) 53px;gap:12px;padding:12px 0}#vilros-learn .vl-shop-row .vl-thumb{width:45px;height:45px}#vilros-learn .vl-shop-item-name{font-size:16px}#vilros-learn .vl-shop-row select{height:24px;font-size:14px}#vilros-learn .vl-shop-price{font-size:15px}#vilros-learn .vl-shop-row .vl-add-small{min-height:40px;font-size:15px}#vilros-learn .vl-shop-foot{padding:14px 23px 20px}#vilros-learn .vl-shop-foot .vl-btn{min-height:45px;font-size:16px}#vilros-learn .vl-selected-total{font-size:15px}#vilros-learn .vl-selected-total strong{font-size:18px}#vilros-learn .vl-shop-note{font-size:13px}#vilros-learn .vl-mobile-bar{border-top:1px solid var(--vl-line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:12px 22px calc(12px + env(safe-area-inset-bottom));z-index:40;background:#fafbf8f5;align-items:center;gap:12px;display:flex;position:fixed;bottom:0;left:0;right:0}#vilros-learn .vl-mobile-bar .vl-btn{border-radius:12px;flex:1;min-height:44px;font-size:15px}#vilros-learn .vl-scrim:not([hidden]){-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:60;cursor:pointer;background:#172e4259;display:block;position:fixed;inset:0}#vilros-learn .vl-toast{max-width:calc(100vw - 30px);bottom:88px;right:15px}#vilros-learn .vl-overview-layout{grid-template-columns:1fr 1fr}#vilros-learn .vl-products-grid.vl-extras-grid{grid-template-columns:repeat(3,minmax(0,1fr))}#vilros-learn .vl-hero{min-height:304px}#vilros-learn h1{font-size:44px}}@media (max-width:600px){#vilros-learn .vl-layout{padding:18px 18px 98px}#vilros-learn .vl-breadcrumb{gap:7px;margin-bottom:15px;font-size:13px}#vilros-learn .vl-hero{border-radius:23px;display:block}#vilros-learn .vl-hero-copy{padding:25px 23px 4px}#vilros-learn h1{max-width:340px;font-size:41px}#vilros-learn .vl-hero-copy>p{max-width:300px;margin-top:13px;font-size:15px}#vilros-learn .vl-actions{gap:15px;margin-top:18px}#vilros-learn .vl-actions .vl-text-link{font-size:14px}#vilros-learn .vl-hero-art{max-width:355px;height:163px;margin-top:-2px;margin-left:auto}#vilros-learn .vl-hero-art>svg{width:245px;height:195px;position:absolute;top:-17px;right:-3px}#vilros-learn .vl-beginner-badge{background:#ffffffef;min-width:156px;padding:8px 9px;bottom:19px;left:20px;right:auto;transform:rotate(-3deg)}#vilros-learn .vl-below-hero{gap:12px;padding-top:12px;font-size:12px;line-height:1.5}#vilros-learn .vl-below-hero .vl-icon{width:12px;height:12px}#vilros-learn .vl-section{margin-top:29px;padding-top:31px}#vilros-learn .vl-overview{margin-top:32px;padding-top:0}#vilros-learn h2{font-size:29px}#vilros-learn .vl-section-head{margin-bottom:19px;display:block}#vilros-learn .vl-intro{font-size:15px}#vilros-learn .vl-section-head>.vl-text-link{margin-top:14px}#vilros-learn .vl-overview-layout{display:block}#vilros-learn .vl-overview h2{max-width:330px}#vilros-learn .vl-overview-copy{margin-top:13px;font-size:15px}#vilros-learn .vl-worlds{border-left:0;gap:0;margin-top:17px;padding-left:0}#vilros-learn .vl-world{grid-template-columns:43px 1fr;gap:14px;padding:11px 0}#vilros-learn .vl-world-icon{border-radius:13px;width:43px;height:43px}#vilros-learn .vl-world p{font-size:14px}#vilros-learn .vl-small-note{margin-top:15px;font-size:13px}#vilros-learn .vl-board-grid{grid-template-columns:1fr;gap:12px}#vilros-learn .vl-board-card{grid-template-columns:1fr 96px;gap:10px 13px;padding:19px;display:grid}#vilros-learn .vl-board-tag{grid-area:1/1}#vilros-learn .vl-board-card figure{grid-area:1/2/span 3;align-self:center;height:95px}#vilros-learn .vl-board-card figure svg{width:105px;height:90px}#vilros-learn .vl-board-card h3{grid-area:2/1;font-size:19px}#vilros-learn .vl-board-card p{grid-area:3/1;font-size:14px}#vilros-learn .vl-board-card .vl-text-link{grid-column:1/-1;padding-top:3px;font-size:14px}#vilros-learn .vl-fit-note{font-size:13px}#vilros-learn .vl-essentials-bar{align-items:flex-start;gap:11px;padding:13px;font-size:13px}#vilros-learn .vl-essentials-bar .vl-text-link{flex-shrink:0;font-size:13px}#vilros-learn .vl-products-grid,#vilros-learn .vl-products-grid.vl-extras-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}#vilros-learn .vl-product{border-radius:15px;padding:13px}#vilros-learn .vl-product-top,#vilros-learn .vl-extras-grid .vl-product-top{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:10px}#vilros-learn .vl-product h3{font-size:15px}#vilros-learn .vl-product-top .vl-thumb{width:43px;height:43px}#vilros-learn .vl-product-description{font-size:13px}#vilros-learn .vl-product-price{font-size:16px}#vilros-learn .vl-product-buy,#vilros-learn .vl-extras-grid .vl-product-buy{flex-direction:column;align-items:stretch;gap:7px}#vilros-learn .vl-product .vl-add-small{width:100%;min-height:36px}#vilros-learn .vl-product select{font-size:12px}#vilros-learn .vl-owned-button{padding-top:9px;font-size:12px;line-height:1.5}#vilros-learn .vl-extras-title{align-items:flex-start}#vilros-learn .vl-extras-title span{text-align:right;max-width:145px;font-size:12px}#vilros-learn .vl-wifi-note{padding:12px;font-size:13px}#vilros-learn .vl-os-panel{border-radius:20px;padding:18px}#vilros-learn .vl-preloaded{align-items:flex-start;gap:7px;padding:11px 12px;font-size:13px}#vilros-learn .vl-preloaded span{align-items:flex-start;gap:6px}#vilros-learn .vl-preloaded .vl-text-link{white-space:nowrap;font-size:13px}#vilros-learn .vl-os-layout{display:block}#vilros-learn .vl-step-list{gap:19px}#vilros-learn .vl-step{gap:10px}#vilros-learn .vl-step h3{font-size:16px}#vilros-learn .vl-step p{font-size:14px}#vilros-learn .vl-imager-figure{margin:26px 11px 4px}#vilros-learn .vl-imager-body{padding:19px}#vilros-learn .vl-caution{font-size:13px}#vilros-learn .vl-boot-layout{flex-direction:column-reverse;gap:22px;display:flex}#vilros-learn .vl-desktop-art{width:100%;max-height:233px;padding:10px 20px;overflow:hidden}#vilros-learn .vl-desktop-art svg{height:214px}#vilros-learn .vl-shutdown{font-size:13px}#vilros-learn .vl-gpio-layout{display:block}#vilros-learn .vl-gpio-intro{margin-bottom:16px;padding:22px}#vilros-learn .vl-gpio-intro h3{max-width:none}#vilros-learn .vl-pins-art{height:60px}#vilros-learn .vl-pin-link{padding:14px}#vilros-learn .vl-help-layout{display:block}#vilros-learn .vl-support{margin-top:22px;padding:23px}#vilros-learn .vl-finish{border-radius:21px;padding:27px 24px;display:block}#vilros-learn .vl-finish h2{font-size:28px}#vilros-learn .vl-finish .vl-btn{margin-top:20px}#vilros-learn .vl-footer{font-size:12px;display:block}#vilros-learn .vl-footer>a{margin-top:15px;display:block}}@media (min-width:981px) and (max-height:850px){#vilros-learn .vl-rail-heading{padding:12px 19px 7px}#vilros-learn .vl-toc a{min-height:30px;padding:4px 10px}#vilros-learn .vl-progress-wrap{padding:7px 19px 10px}}@media (prefers-reduced-motion:reduce){#vilros-learn *,#vilros-learn :before,#vilros-learn :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{#vilros-learn .vl-sidebar,#vilros-learn .vl-mobile-bar,#vilros-learn .vl-toast,#vilros-learn dialog,#vilros-learn .vl-scrim,#vilros-learn button,#vilros-learn .vl-product select{display:none!important}#vilros-learn{background:#fff;font-size:15px}#vilros-learn .vl-layout{max-width:none;padding:0;display:block}#vilros-learn .vl-section{break-inside:avoid;margin-top:20px;padding-top:20px}#vilros-learn .vl-product a:after{content:" (" attr(href) ")";word-break:break-all;font-size:12px}#vilros-learn .vl-product,#vilros-learn .vl-board-card{break-inside:avoid}#vilros-learn .vl-hero{background:#f3f5f4}}#vilros-learn .vl-preview-option{color:var(--vl-muted);min-height:14px;margin:3px 0;font-size:12px;line-height:1.5;display:block}#vilros-learn .vl-product .vl-preview-option{border:1px solid var(--vl-line);background:#f8faf9;border-radius:8px;min-height:32px;margin:0 0 8px;padding:6px 8px;font-size:13px}#vilros-learn .vl-bag-line .vl-icon{width:12px;height:12px}
#vilros-learn[data-site]{background:0 0;font-size:16px;line-height:1.65}#vilros-learn[data-site] .vl-layout{gap:32px;max-width:1480px;padding:48px 50px 96px}@media (max-width:1180px){#vilros-learn[data-site] .vl-layout{grid-template-columns:290px minmax(0,1fr);gap:32px;padding:28px 32px 88px}}@media (max-width:980px){#vilros-learn[data-site] .vl-layout{max-width:760px;padding:24px 20px 112px;display:block}}#vilros-learn[data-site] .vl-section,#vilros-learn[data-site] [data-chapter]{scroll-margin-top:16px}#vilros-learn[data-site] .vl-breadcrumb{margin-bottom:20px;font-size:14px}#vilros-learn[data-site] .vl-breadcrumb a:hover{color:var(--vl-ink)}#vilros-learn[data-site] h1{letter-spacing:-.05em;text-wrap:balance;max-width:none;font-size:clamp(40px,4.2vw,58px);line-height:1.03}#vilros-learn[data-site] h2{text-wrap:balance}#vilros-learn[data-site] .vl-hero-copy>p{color:#4d5e6a;max-width:40ch;font-size:18px}#vilros-learn[data-site] .vl-section{margin-top:56px;padding-top:64px}#vilros-learn[data-site] .vl-kicker{margin-bottom:10px;font-size:14px;font-weight:600}#vilros-learn[data-site] .vl-intro,#vilros-learn[data-site] .vl-overview-copy{color:#4d5e6a;max-width:62ch;font-size:17px;line-height:1.7}#vilros-learn[data-site] .vl-footer{font-size:14px;line-height:1.7}#vilros-learn[data-site] .vl-hero-band{background:color-mix(in srgb, var(--vl-peach) 55%, var(--vl-paper))}#vilros-learn[data-site] .vl-hero-inner{max-width:1480px;margin:0 auto;padding:32px 50px 56px}#vilros-learn[data-site] .vl-hero-inner .vl-breadcrumb{margin-bottom:28px}#vilros-learn[data-site] .vl-hero{background:0 0;border:0;border-radius:0;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);min-height:0;overflow:visible}#vilros-learn[data-site] .vl-hero:before{display:none}#vilros-learn[data-site] .vl-hero-copy{padding:0}#vilros-learn[data-site] .vl-hero-art{height:320px}@media (max-width:1180px){#vilros-learn[data-site] .vl-hero-inner{padding:28px 32px 48px}}@media (max-width:980px){#vilros-learn[data-site] .vl-hero-inner{padding:24px 20px 40px}#vilros-learn[data-site] .vl-hero{display:block}#vilros-learn[data-site] .vl-hero-art{height:220px}}#vilros-learn[data-site] .vl-below-hero{display:none}#vilros-learn[data-site] .vl-btn{min-height:48px;padding:0 24px;font-size:15px;transform:none}#vilros-learn[data-site] .vl-btn:hover{transform:none}#vilros-learn[data-site] .vl-add-small,#vilros-learn[data-site] #vl-add-selected{color:#fff;font-family:var(--font-open-sans), "Open Sans", sans-serif;cursor:pointer;background:#37d6fb;border:1px solid #37d6fb;border-radius:10px;font-weight:700;transition:none}#vilros-learn[data-site] .vl-add-small:hover,#vilros-learn[data-site] #vl-add-selected:hover{background:#37d6fb}#vilros-learn[data-site] .vl-add-small:disabled,#vilros-learn[data-site] #vl-add-selected:disabled{opacity:.45;cursor:not-allowed}#vilros-learn[data-site] #vl-add-selected .vl-icon{color:#fff}#vilros-learn[data-site] .vl-product-buy{display:block}#vilros-learn[data-site] .vl-product-price{display:none}#vilros-learn[data-site] .vl-product .vl-add-small{width:100%;height:52px;min-height:52px;padding:0 16px;font-size:17px}#vilros-learn[data-site] .vl-shop-row{grid-template-columns:18px 40px minmax(0,1fr) 58px;gap:10px}#vilros-learn[data-site] .vl-shop-row .vl-add-small{min-width:56px;height:36px;min-height:36px;padding:0 10px;font-size:14px}#vilros-learn[data-site] #vl-add-selected{min-height:52px;font-size:16px}#vilros-learn[data-site] .vl-product{background:#fff;border-radius:20px;padding:20px}#vilros-learn[data-site] .vl-product h3{font-size:17px}#vilros-learn[data-site] .vl-product-top .vl-thumb{width:64px;height:64px}#vilros-learn[data-site] .vl-product-description{color:#4d5e6a;font-size:15px;line-height:1.6}#vilros-learn[data-site] .vl-product-category{font-size:13px}#vilros-learn[data-site] .vl-product select,#vilros-learn[data-site] .vl-product .vl-preview-option{border-radius:10px;min-height:44px;margin-bottom:12px;font-size:15px}#vilros-learn[data-site] .vl-owned-button{min-height:40px;font-size:14px}#vilros-learn[data-site] .vl-products-grid{gap:16px}@media (max-width:600px){#vilros-learn[data-site] .vl-products-grid,#vilros-learn[data-site] .vl-products-grid.vl-extras-grid{grid-template-columns:minmax(0,1fr)}#vilros-learn[data-site] .vl-product-top,#vilros-learn[data-site] .vl-extras-grid .vl-product-top{flex-direction:row;align-items:center;gap:14px}#vilros-learn[data-site] .vl-mobile-bar .vl-btn{white-space:nowrap;padding:0 12px;font-size:14px}}#vilros-learn[data-site] .vl-sidebar{grid-template-rows:auto minmax(240px,1fr)}#vilros-learn[data-site] .vl-label{color:var(--vl-ink);font-size:14px;font-weight:650}#vilros-learn[data-site] .vl-chapter-count,#vilros-learn[data-site] .vl-chapter-no{display:none}#vilros-learn[data-site] .vl-rail-heading{justify-content:space-between}#vilros-learn[data-site] .vl-rail-search{border:1px solid var(--vl-line);width:32px;height:32px;color:var(--vl-ink);cursor:pointer;background:#fff;border-radius:50%;flex-shrink:0;place-items:center;display:grid}#vilros-learn[data-site] .vl-rail-search:hover{background:var(--vl-bg)}#vilros-learn[data-site] .vl-rail-search .vl-icon{width:16px;height:16px}#vilros-learn[data-site] .vl-toc{padding:2px 12px 12px}#vilros-learn[data-site] .vl-progress-wrap{display:none}#vilros-learn[data-site] .vl-toc a{color:#4d5e6a;background:0 0;border-left:2px solid #0000;border-radius:0 8px 8px 0;min-height:40px;padding:6px 12px;font-size:15px}#vilros-learn[data-site] .vl-toc a:hover{color:var(--vl-ink);background:#eef2f1}#vilros-learn[data-site] .vl-toc a[aria-current=location]{color:var(--vl-ink);border-left-color:var(--vl-teal);background:#eef2f1;font-weight:650}@media (min-width:981px){#vilros-learn[data-site] .vl-hero-band{height:500px}#vilros-learn[data-site] .vl-hero-inner{flex-direction:column;height:100%;padding-bottom:32px;display:flex}#vilros-learn[data-site] .vl-hero{flex:1;align-items:center}#vilros-learn[data-site] .vl-layout{grid-template-columns:minmax(0,1fr) 320px}#vilros-learn[data-site] .vl-sidebar{grid-area:1/2}#vilros-learn[data-site] .vl-main{grid-area:1/1}}@media (max-width:980px){#vilros-learn[data-site] .vl-hero-band{min-height:500px}}#vilros-learn[data-site] .vl-section{border:1px solid var(--vl-line);background:#fff;border-radius:24px;margin-top:24px;padding:40px}#vilros-learn[data-site] .vl-main>.vl-section:first-of-type{margin-top:0}#vilros-learn[data-site] .vl-product,#vilros-learn[data-site] .vl-board-card{background:var(--vl-paper)}#vilros-learn[data-site] .vl-footer{border:1px solid var(--vl-line);background:#fff;border-radius:24px;margin-top:24px;padding:24px 28px}@media (max-width:600px){#vilros-learn[data-site] .vl-section{border-radius:20px;padding:24px 18px}}#vilros-learn[data-site] .vl-shop-head{align-items:center;gap:8px;padding:10px 12px 10px 16px;display:flex}#vilros-learn[data-site] .vl-shop-head h2{letter-spacing:-.02em;white-space:nowrap;margin-right:auto;font-size:16px}#vilros-learn[data-site] .vl-shop-tools{gap:2px;margin:0}#vilros-learn[data-site] .vl-shop-filter{min-height:30px;padding:0 10px;font-size:13px}#vilros-learn[data-site] .vl-sidebar.vl-is-open .vl-shop-head{padding:14px 16px 14px 22px}#vilros-learn[data-site] .vl-sidebar.vl-is-open .vl-shop-head h2{font-size:18px}#vilros-learn[data-site] .vl-sidebar.vl-is-open .vl-shop-tools{margin-right:4px}#vilros-learn[data-site] .vl-sidebar.vl-is-open .vl-shop-filter{min-height:34px;font-size:14px}#vilros-learn[data-site] .vl-shop-row{grid-template-columns:40px minmax(0,1fr) 58px}#vilros-learn[data-site] .vl-shop-foot-note{border-top:1px solid var(--vl-line);background:#fff;flex-shrink:0;margin:0;padding:10px 16px}#vilros-learn[data-site] .vl-shop-item-name,#vilros-learn[data-site] .vl-shop-price{font-size:14px}#vilros-learn[data-site] .vl-shop-note{font-size:13px}