*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;line-height:1.6;color:#131720}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:#fff;border-bottom:1px solid #e2e8f0;height:60px;display:flex;align-items:center;padding:0 24px}.site-header .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#27314A;font-weight:700;font-size:18px}.site-header .logo img{height:36px;width:auto;border-radius:0;box-shadow:none;margin:0}.sidebar-toggle{display:none;background:none;border:1px solid #e2e8f0;border-radius:6px;padding:6px 10px;margin-left:auto;cursor:pointer;font-size:20px;color:#27314A;line-height:1}.layout{display:flex;margin-top:60px}.sidebar{position:fixed;top:60px;left:0;bottom:0;width:260px;background:#f9f9f9;border-right:1px solid #e2e8f0;overflow-y:auto;padding:24px 0;z-index:50}.sidebar-category{padding:0 20px;margin-bottom:8px}.sidebar-category-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:#7F8AA4;padding:8px 0 4px;cursor:pointer;user-select:none;list-style:none;display:flex;justify-content:space-between;align-items:center}.sidebar-category-title::-webkit-details-marker{display:none}.sidebar-category-title::after{content:'▾';font-size:14px;transition:transform 0.2s ease}.sidebar-category[open]>.sidebar-category-title::after{transform:rotate(180deg)}.sidebar-link{display:block;padding:7px 12px;margin:2px 0;border-radius:6px;font-size:14px;color:#27314A;text-decoration:none;line-height:1.4}.sidebar-link:hover{background:#edf0f5;color:#27314A;text-decoration:none}.sidebar-link.active{background:#FEF7E0;color:#27314A;font-weight:600;border-left:3px solid #FCB607;padding-left:9px}.main-content{margin-left:260px;flex:1;max-width:900px;padding:30px 40px 60px}.breadcrumb{margin-bottom:8px}.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:4px;list-style:none;padding:0;margin:0;font-size:13px}.breadcrumb li{display:flex;align-items:center;margin-bottom:0}.breadcrumb li:not(:last-child)::after{content:'/';margin-left:4px;color:#27314A}.breadcrumb li a{color:#27314A;text-decoration:underline}h1{color:#27314A;border-bottom:3px solid #FCB607;padding-bottom:10px;margin-top:40px;margin-bottom:16px}h2{color:#27314A;padding-bottom:8px;margin-top:40px}h3{color:#131720;margin-top:30px}a{color:#27314A;text-decoration:underline}strong{color:#131720}p{margin:12px 0}ul,ol{padding-left:25px;margin:12px 0}li{margin-bottom:8px}table{width:100%;border-collapse:collapse;margin:20px 0;background-color:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.1);border-radius:8px;overflow:hidden}th,td{padding:12px 15px;text-align:left;border-bottom:1px solid #e2e8f0}th{background-color:#27314A;color:white;font-weight:600}tr:hover{background-color:#f9f9f9}hr{border:none;border-top:1px solid #e2e8f0;margin:40px 0}blockquote{background-color:#FEF7E0;border-left:4px solid #FCB607;padding:15px 20px;margin:20px 0;border-radius:0 8px 8px 0}blockquote p{margin:0}img{max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin:15px 0;display:block}.iframe-outer-wrapper{max-width:640px;margin:auto;margin-top:2rem;margin-bottom:2rem;overflow:hidden}.iframe-wrapper{position:relative;padding-bottom:56.25%;height:0;overflow:hidden}.iframe-wrapper iframe{position:absolute;top:0;left:0;width:100% !important;height:100% !important;border:none}@media (max-width: 768px){.sidebar-toggle{display:block}.sidebar{transform:translateX(-100%);transition:transform 0.25s ease;box-shadow:none}.sidebar.open{transform:translateX(0);box-shadow:2px 0 12px rgba(0,0,0,0.1)}.sidebar-overlay{display:none;position:fixed;inset:60px 0 0 0;background:rgba(0,0,0,0.3);z-index:40}.sidebar-overlay.open{display:block}.main-content{margin-left:0;padding:24px 20px 60px}}