:root{font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#17314b;background:#f2f6fb;--header-height:84px}*{box-sizing:border-box}body{margin:0}a{color:#075eb9;text-underline-offset:3px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #dd860b;outline-offset:4px}[hidden]{display:none!important}header{position:sticky;top:0;z-index:20;background:#103b68;color:white;box-shadow:0 2px 8px #102e4822}.header-inner{max-width:1440px;margin:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand img{width:44px;height:44px;object-fit:contain}.brand strong{font-size:22px;display:block;line-height:1.2}.brand small{font-size:12px;color:#d1e3f5}.header-actions{display:flex;align-items:center;gap:10px}.header-actions a{color:#fff;font-size:14px}.languages{display:flex;gap:4px}.languages button{border:1px solid #93b6dc;border-radius:5px;background:transparent;color:white;padding:6px 9px;cursor:pointer}.languages button[aria-pressed="true"]{background:#fff;color:#103b68}.skip{position:absolute;left:12px;top:-90px;z-index:30;padding:8px;background:white}.skip:focus{top:8px}.layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;max-width:1350px;margin:0 auto;padding:28px 24px}.sidebar{align-self:start;position:sticky;top:calc(var(--header-height) + 16px);max-height:calc(100vh - var(--header-height) - 40px);overflow:auto;padding:0 6px 20px}.series-nav a,.toc nav a{display:block;padding:7px 10px;border-radius:5px;font-size:14px;text-decoration:none}.series-nav a[aria-current="page"]{background:#dceafa;font-weight:750;border-left:4px solid #0874ca}.series-nav a:hover,.toc a:hover{background:#e3eef9}.sidebar summary{font-weight:750;cursor:pointer;padding:10px}.toc{border-top:1px solid #c9d8e7;margin-top:16px}.toc nav{max-height:45vh;overflow:auto}.content{min-width:0;background:#fff;padding:30px 38px 42px;border:1px solid #d7e2ee;border-radius:12px}.eyebrow{font-size:13px;font-weight:750;letter-spacing:.08em;color:#3b6a97}h1{font-size:clamp(28px,3.2vw,42px);line-height:1.3;color:#103b68;margin:6px 0 15px}h2{font-size:25px;line-height:1.4;color:#123e66;margin:38px 0 14px;border-top:2px solid #cce0f4;padding-top:18px}h3{font-size:19px;line-height:1.5;margin:24px 0 10px}p{margin:12px 0}li+li{margin-top:9px}p,li,td{overflow-wrap:anywhere}code{font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;background:#edf3f9;padding:2px 4px;border-radius:3px}pre{background:#102a40;color:#eef5fb;padding:18px;border-radius:8px;max-width:100%;overflow:auto;line-height:1.7}pre code{background:none;padding:0;color:inherit;white-space:pre}.table-scroll{overflow-x:auto;margin:20px 0}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:12px;border:1px solid #bcd0e4;vertical-align:top;text-align:left;min-width:135px}th{background:#eaf3fc}td code{overflow-wrap:anywhere}.note,.limit-note{background:#eef6fd;border-left:4px solid #2078bd;padding:14px 18px;margin:20px 0}.limit-note{font-size:14px;color:#3e5770}.source-chapter{margin-top:40px}.source-chapter>.chapter-title{padding:18px;background:#e8f1fa;border-radius:7px;border:0}.chapter-toc{padding:10px 15px;border:1px solid #c9daeb;border-radius:6px;margin:15px 0}.chapter-toc summary{cursor:pointer;font-weight:650}.chapter-toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;padding-top:12px}.chapter-toc a{font-size:14px;overflow-wrap:anywhere}.chapter-top{font-size:13px}.page-controls{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;border-top:2px solid #d4e2f0;padding-top:22px;margin-top:40px}.page-controls a{padding:8px 12px;background:#eaf3fc;border-radius:6px}.part-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.part-card{border:1px solid #bdd3e9;border-radius:9px;padding:20px;background:#f7fbff}.part-card h2{border:0;padding:0;margin:0 0 10px;font-size:22px}.part-card p{font-size:14px}.part-card a{font-weight:750}footer{padding:20px 24px;font-size:13px;text-align:center;color:#536a80}html{scroll-padding-top:calc(var(--header-height) + 12px)}.architecture-figure img{max-width:100%;height:auto}.architecture-figure{margin:20px 0}
@media(max-width:850px){.layout{display:block;padding:16px}.sidebar{position:static;max-height:none;padding:0 0 16px}.series-nav{display:flex;gap:5px;overflow-x:auto}.series-nav a{white-space:nowrap;flex:none}.toc{margin-top:8px}.toc nav{max-height:35vh}.content{padding:22px 18px}.header-inner{padding:12px 16px;gap:8px;flex-wrap:wrap}.brand img{width:35px;height:35px}.brand strong{font-size:20px}.header-actions{gap:10px;margin-left:auto}h2{font-size:22px}.chapter-toc nav{grid-template-columns:1fr}.part-cards{grid-template-columns:1fr}pre{font-size:12px;padding:13px}.table-scroll table{min-width:580px}}
@media print{@page{margin:16mm}body{background:white;font-size:10.5pt;line-height:1.55}header{position:static;box-shadow:none;background:white;color:#17314b;border-bottom:1px solid #aabbcc}.header-actions,.sidebar,.skip,.page-controls,.chapter-top,.chapter-toc{display:none}.layout{display:block;padding:0}.content{border:0;padding:18px 0}.brand small{color:#3c5871}h1{font-size:24pt}h2{font-size:17pt;break-after:avoid}h3{break-after:avoid}pre{white-space:pre-wrap;background:#f0f4f8;color:#17314b;overflow:visible}pre code{white-space:pre-wrap;overflow-wrap:anywhere}.table-scroll{overflow:visible}table{font-size:9pt;min-width:0!important}th,td{min-width:0;padding:7px}a{color:inherit}tr,.note,.part-card{break-inside:avoid}.part-cards{display:block}.part-card{margin:15px 0}html{scroll-padding-top:0}}

.exercise-resources h2{margin-top:0;border:0;padding-top:0;font-size:22px}.exercise-resources a{overflow-wrap:anywhere}.exercise-action a{display:inline-block;border:1px solid #8fb7db;padding:7px 12px;border-radius:6px;background:#edf6ff;font-weight:700}.workbook-chapter{border-bottom:3px solid #c4dcef;padding-bottom:24px;margin-bottom:28px}

.workflow-position{margin:20px 0}.workflow-position p{margin:7px 0}.workflow-figure{max-width:720px;margin:24px auto}.workflow-figure img{display:block;width:100%;height:auto}.workflow-figure figcaption{font-size:.9rem;color:#51657a;margin-top:8px}.workflow-chapter{border-top:2px solid #ccdbe7;margin:24px 0;padding-top:12px}
.workflow-stage-nav{display:flex;flex-wrap:wrap;gap:8px 12px;margin:16px 0}.workflow-stage-nav a{display:inline-block;padding:7px 10px;border:1px solid #c4d7e7;border-radius:6px;background:#f3f8fc}
/* READER_CHECKPOINT_STYLES_BEGIN */
.reader-checkpoint{margin:20px 0;line-height:1.65;overflow-wrap:anywhere}.reader-checkpoint dl{margin:12px 0}.reader-checkpoint dt{font-weight:700;margin-top:12px}.reader-checkpoint dd{margin:3px 0 8px}.reader-checkpoint .reader-links{padding-left:22px}.reader-checkpoint .reader-links li{margin:6px 0}.numbering-note{border:1px solid #c8d8e7;border-radius:6px;padding:10px 12px;margin:14px 0}.numbering-note summary{font-weight:650;cursor:pointer}
/* READER_CHECKPOINT_STYLES_END */

/* Common navigation for the installation entry and Parts 2–8. */
/* One toolbar row; the full document title belongs in the content heading. */
:root{--header-height:56px;--manual-control-size:44px}
.manual-header{padding:0}
.manual-header .header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;position:relative;min-height:56px;padding:6px 24px;gap:16px;flex-wrap:nowrap}
.manual-header .brand{grid-column:1;grid-row:1;gap:8px;min-height:var(--manual-control-size);min-width:0}
.manual-header .brand img{width:28px;height:28px;flex:none}
.manual-header .brand strong{font-size:18px;line-height:1.2;white-space:nowrap}
.manual-header .header-actions,.manual-header .header-inner>.languages{grid-column:3;grid-row:1;margin:0;gap:0;flex-wrap:nowrap}
.manual-header .languages{display:flex;align-items:center;gap:2px;white-space:nowrap}
.manual-header .languages button,.manual-header .languages a[data-language-route]{width:44px;height:44px;min-height:var(--manual-control-size);padding:0;font-size:13px;line-height:1.2}
.manual-header .language-separator,.manual-header .language-divider{width:8px;text-align:center;font-size:12px}
.navigation-menus{grid-column:2;grid-row:1;display:flex;align-items:center;gap:10px;min-width:0;width:auto;position:static;flex-wrap:nowrap}
.navigation-menus>details{flex:none;margin:0;border:0;padding:0}
.navigation-menus summary{cursor:pointer;border:1px solid #87a9ce;border-radius:6px;padding:0 10px;font-size:13px;line-height:1.25;color:#fff;min-height:var(--manual-control-size);display:flex;align-items:center;justify-content:center;gap:7px;list-style:none;white-space:nowrap}
.navigation-menus summary::-webkit-details-marker{display:none}
.navigation-menus summary::marker{content:""}
.navigation-menus summary::after{content:"⌄";font-size:12px;line-height:1;transition:transform .12s}
.navigation-menus details[open]>summary::after{transform:rotate(180deg)}
.navigation-menus summary:hover{background:#24537f}
.navigation-menus .toc-menu{margin-left:auto}
.menu-icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8}
.current-part{font-size:13px;line-height:1.3;margin:0;min-width:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.menu-panel{position:absolute;left:16px;right:16px;top:calc(100% + 4px);max-width:900px;margin-inline:auto;background:white;color:#17314b;padding:12px;border:1px solid #9eb9d4;border-radius:8px;box-shadow:0 10px 24px #102e4833;max-height:calc(100dvh - var(--header-height) - 12px);overflow:auto;overscroll-behavior:contain}
.manual-index-link,.manual-site-link{display:block;min-height:44px;padding:8px 10px;border-bottom:1px solid #d7e2ee;margin-bottom:6px;font-weight:650}
@media(prefers-reduced-motion:reduce){.navigation-menus summary::after{transition:none}}
.menu-panel .series-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}
.menu-panel nav a{display:block;text-decoration:none;padding:10px;color:#075eb9;border-radius:5px;white-space:normal;overflow-wrap:anywhere;min-height:44px}
.menu-panel a:hover{background:#e3eef9}.toc-menu{display:block}
.sidebar .toc nav{max-height:none;overflow:visible}.sidebar{max-height:calc(100dvh - var(--header-height) - 32px)}
.toc a[aria-current="location"],.toc-menu a[aria-current="location"]{background:#e4f0fc;border-left:4px solid #0874ca;font-weight:750;color:#103b68}
.reference-details{border:1px solid #bfd2e5;border-radius:8px;margin:24px 0;padding:14px 18px;scroll-margin-top:calc(var(--header-height) + 12px)}
.reference-details>summary{cursor:pointer;font-weight:750;color:#123e66;padding:5px 0;min-height:40px}
.reference-details>.source-chapter{margin-top:12px}.reference-details .chapter-title{font-size:23px}.study-path{margin-top:15px}.study-path p{margin:6px 0}.study-path a,.start-action a{display:inline-block;padding:9px 13px;background:#125b99;color:white;border-radius:6px;font-weight:700;text-decoration:none;min-height:44px}
.page-controls{align-items:stretch}.page-controls a{display:flex;align-items:center;min-height:44px;max-width:100%}.page-controls a[data-flow]{flex:1 1 240px}
.manual-shell{max-width:none;background:transparent;box-shadow:none;min-height:100vh}
.manual-shell>.manual-header{display:block;padding:0;background:#103b68}
.manual-shell .content nav{background:none;color:inherit;padding:0}
.manual-shell .content nav a{white-space:normal;color:#075eb9;font-weight:inherit}
.manual-shell .content .page-controls a{padding:8px 12px;background:#eaf3fc;font-weight:650}
.manual-shell .content .sdk-toc nav{display:grid;padding:12px 0 0}
.manual-shell .content .sdk-toc a{padding:7px 9px}
.manual-shell .content .section-title{display:block}
.manual-shell .content{line-height:1.8}
@media(max-width:850px){
 .manual-header .header-inner{padding:6px 16px;gap:12px}
 .navigation-menus{gap:7px;flex-wrap:nowrap}.navigation-menus>details{flex:none}.navigation-menus summary{font-size:13px}
 .current-part{font-size:13px}.toc-menu{display:block}.menu-panel .series-nav{display:block;overflow:visible}.menu-panel .series-nav a{white-space:normal}.menu-panel nav{display:block}
 .sidebar{display:none}.layout{padding:16px 10px}.content{padding:22px 16px}.reference-details{padding:12px}.page-controls{flex-direction:column;gap:10px}.page-controls a[data-flow]{flex:auto}.manual-shell .content{padding:22px 16px}
}
@media(max-width:600px){
 .manual-header .header-inner{grid-template-columns:44px minmax(0,1fr) auto;padding:6px 8px;gap:8px}
 .manual-header .brand{justify-content:center;width:44px}
 .manual-header .brand>span:not(.visually-hidden),.manual-header .brand>strong,.manual-header .current-part{display:none}
 .navigation-menus{gap:6px}
 .navigation-menus summary{padding:0 8px}
 .toc-menu summary{width:44px;padding:0;gap:0}
 .toc-menu summary::after{display:none}
 .toc-menu .nav-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
 .menu-panel{left:8px;right:8px}
}
@media print{
 .navigation-menus,.current-part,.study-path>a,.manual-header .header-inner>.languages{display:none!important}.manual-header .header-inner{display:block;padding:8px 0;min-height:0}.manual-header .brand>span:not(.visually-hidden),.manual-header .brand>strong{display:block}.manual-shell>.manual-header{background:white;color:#17314b}
 main details::details-content{display:block!important;content-visibility:visible!important}main details>*:not(summary){display:revert!important}
 .reference-details{border:0;padding:0;break-inside:auto}.reference-details>summary{font-size:16pt;margin-top:18pt}.manual-shell .content{padding:18px 0}
}

/* Usability: consistent controls and visible keyboard destinations. */
.languages button,.series-nav a,.toc nav a{min-height:44px}
.content [tabindex="-1"]:focus{outline:3px solid #dd860b;outline-offset:5px}
.study-path a{margin:4px 6px 4px 0}.part-guidance{border-left:3px solid #8fb7db;padding-left:10px}

.languages .language-divider{align-self:center;padding:0 2px}

.reader-connections{margin:28px 0;padding:20px;border:1px solid #b7cde2;border-radius:9px;background:#f5f9fd;color:#17314b;font:16px/1.8 system-ui,sans-serif}
.reader-connections h2{font-size:25px;margin:0 0 16px;color:#173d67}
.reader-connections h3{font-size:19px;margin:20px 0 10px}
.reader-connections a{color:#075aa6;text-underline-offset:3px}
.reader-connections li{margin:10px 0;overflow-wrap:anywhere}
.reader-connections summary{min-height:44px;cursor:pointer;font-weight:750;padding:8px 0}
.reader-connection-details{margin:14px 0;padding:10px 14px;border:1px solid #c5d6e7;border-radius:6px;background:#fff}
.reader-connections dt{font-weight:750;margin-top:16px}.reader-connections dd{margin:6px 0 16px}
.reader-connection-table{overflow-x:auto}.reader-connection-table table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}.reader-connection-table th,.reader-connection-table td{border:1px solid #b7cde1;padding:12px;vertical-align:top;text-align:left;min-width:180px}
.reader-connection-diagram{margin:20px 0}.reader-diagram-scroll{overflow:auto;border:1px solid #c5d6e7;border-radius:8px;background:#f6f9fd}.reader-diagram-scroll img{display:block;width:100%;min-width:760px;height:auto}.reader-connection-diagram figcaption{font-size:14px;margin-top:10px;color:#40576f}
.reader-original-illustration{display:block;max-width:100%;height:auto;margin:14px auto;border:1px solid #d4e0ed}
.reader-alignment-jump a{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;background:#e8f2fc;border:1px solid #b7cde1;border-radius:6px;text-decoration:none;font-weight:650}
[data-diagram-language="ko"]{display:none!important}html[lang="ko"] [data-diagram-language="en"]{display:none!important}html[lang="ko"] [data-diagram-language="ko"]{display:block!important}
.reader-diagram-scroll:focus-visible,.reader-connections a:focus-visible,.reader-connections summary:focus-visible{outline:3px solid #dd860b;outline-offset:3px}
@media(max-width:600px){.reader-connections{padding:14px}.reader-connection-details{padding:8px 10px}.reader-connections h2{font-size:22px}}
@media print{.reader-diagram-scroll img{min-width:0}.reader-connection-details::details-content{display:block!important;content-visibility:visible!important}.reader-connection-details>*:not(summary){display:revert!important}}