/* Shared KM123 guide presentation. Existing article content remains untouched. */
:root{--guide-accent:#165dff;--guide-ink:#172b4d;--guide-muted:#718096;--guide-line:#e8edf4}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{background:#f6f8fb!important;color:var(--guide-ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75}
body>header{height:72px!important;border-bottom:1px solid var(--guide-line);box-shadow:none!important;background:#fff!important}
body>header>div{height:100%;max-width:none!important;padding:0 32px!important}
.guide-brand{font-size:13px;color:#718096;border-left:1px solid #dce3ed;padding-left:18px;margin-left:18px;letter-spacing:1px}
.guide-home-link{font-size:14px;color:var(--guide-accent);text-decoration:none;padding:8px 14px;border:1px solid #dce6fa;border-radius:8px}
#sidebar{top:72px!important;width:272px!important;border-right:1px solid var(--guide-line);box-shadow:none!important;scrollbar-width:thin;scrollbar-color:#dce3ed transparent;background:#fff}
#sidebar nav{padding:22px 14px 80px!important}
#sidebar a,#sidebar button{line-height:1.65;white-space:normal;text-align:left;border-left:3px solid transparent!important;font-size:14px;transition:background .15s,color .15s}
#sidebar a:hover,#sidebar button:hover{background:#f2f6fd;color:var(--guide-accent)}
#sidebar a[aria-current="page"]{background:#edf3ff!important;color:var(--guide-accent)!important;border-left-color:var(--guide-accent)!important;font-weight:650}
#sidebar .submenu-expanded{max-height:none!important}
.main-content{margin-left:272px!important;padding:36px clamp(24px,4vw,64px) 96px!important;min-width:0;width:calc(100% - 272px);font-size:16px;overflow-wrap:break-word}
.main-content.main-expanded{margin-left:0!important;width:100%}
.main-content>div,.main-content>section,.main-content>article{max-width:1120px;margin-left:auto;margin-right:auto}
.main-content h1{font-size:clamp(25px,2.6vw,36px)!important;line-height:1.4;letter-spacing:-.5px;color:var(--guide-ink)}
.main-content h2{line-height:1.5;color:var(--guide-ink);scroll-margin-top:96px}
.main-content h3{line-height:1.6;scroll-margin-top:96px}
.main-content p{line-height:1.9}
.main-content img{max-width:100%!important;height:auto;object-fit:contain;border-radius:8px}
.main-content .bg-white{border:1px solid var(--guide-line);box-shadow:0 3px 16px #243b5310!important;border-radius:14px}
.main-content table{max-width:100%;font-size:14px}
.guide-table-scroll{overflow-x:auto;margin:20px 0}
.guide-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 26px;max-width:1120px;font-size:13px;color:var(--guide-muted)}
.guide-toolbar a{color:var(--guide-accent)}
.guide-search{margin:0 0 20px;position:relative}
.guide-search input{width:100%;border:1px solid #dee5ef;background:#f7f9fc;border-radius:9px;padding:10px 12px;font:inherit;font-size:13px;color:var(--guide-ink)}
.guide-search input:focus{outline:2px solid #a9c4ff;outline-offset:2px;background:white}
.guide-search-results{margin-top:8px;max-height:340px;overflow:auto;border:1px solid var(--guide-line);border-radius:8px;background:#fff}
.guide-search-results a{display:block;padding:9px 10px;text-decoration:none}
.guide-search-results p{padding:10px;font-size:13px;color:var(--guide-muted)}
.guide-toc{max-width:1120px;margin:0 auto 28px;border:1px solid var(--guide-line);border-radius:12px;background:white;padding:14px 20px}
.guide-toc summary{font-size:14px;font-weight:600;cursor:pointer;color:var(--guide-ink)}
.guide-toc nav{display:flex;flex-wrap:wrap;gap:8px 22px;padding-top:12px}
.guide-toc a{font-size:14px;color:#536783;text-decoration:none}
.guide-toc a:hover{color:var(--guide-accent)}
.guide-hero{max-width:1120px;margin:0 auto 28px;padding:30px 32px;border:1px solid #dce7fa;border-radius:16px;background:linear-gradient(120deg,#edf4ff,#fff)}
.guide-hero small{font-size:12px;letter-spacing:2px;color:var(--guide-accent)}
.guide-hero h1{margin:8px 0 12px;font-weight:750}
.guide-hero p{color:#62748c;margin:0}
.guide-shortcuts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.guide-shortcuts a{display:block;background:#fff;border:1px solid #dce6f5;border-radius:8px;padding:8px 14px;font-size:14px;color:var(--guide-accent)}
#sidebarToggleDesktop{width:32px!important;height:48px!important;border-radius:0 10px 10px 0!important;box-shadow:2px 3px 8px #243b5310!important;left:272px!important}
body:has(#sidebar.sidebar-hidden) #sidebarToggleDesktop{left:0!important}
#sidebarToggle{position:static!important;transform:none!important;width:34px!important;height:34px!important;box-shadow:none!important;border-radius:8px!important;margin-right:10px}
.guide-back-top{position:fixed;right:24px;bottom:92px;width:40px;height:40px;background:white;border:1px solid #dce3ed;border-radius:10px;color:var(--guide-accent);z-index:25;cursor:pointer}
.guide-overlay{display:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--guide-accent);outline-offset:3px}
@media(min-width:768px){#sidebarToggle{display:none!important}}
@media(max-width:767px){body>header>div{padding:0 16px!important}.guide-brand{display:none}.guide-home-link{padding:6px 9px;font-size:12px}body>header img{max-width:130px}#sidebar{z-index:45;width:272px!important}.main-content,.main-content.main-expanded{margin-left:0!important;width:100%;padding:22px 16px 100px!important}.main-content>.container{padding:0!important}.guide-hero{padding:24px 20px}.guide-toolbar{font-size:12px}.guide-toc{padding:12px 16px}#sidebarToggleDesktop{display:none!important}.guide-overlay.is-open{display:block;position:fixed;inset:72px 0 0;background:#172b4d66;z-index:40}.main-content .grid{grid-template-columns:minmax(0,1fr)!important}.main-content .p-6,.main-content .p-8{padding:20px!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
@media print{header,#sidebar,.sidebar-toggle,.guide-toolbar,.guide-toc,.guide-back-top,.guide-overlay,body>a.fixed{display:none!important}.main-content{margin:0!important;width:100%!important;padding:0!important}body{background:white!important}}