*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-width:260px;--navbar-height:56px;--content-max-width:740px;--sidebar-bg:#f6f6f7;--sidebar-border:#e2e2e3;--sidebar-text:#60606b;--sidebar-text-hover:#213547;--sidebar-text-active:#213547;--sidebar-active-bg:#646cff14;--sidebar-group-color:#aeaeb5;--navbar-bg:#ffffffeb;--navbar-border:#e2e2e3;--content-bg:#fff;--content-text:#374151;--content-text-muted:#9ca3af;--content-border:#e5e7eb;--accent:#646cff;--accent-hover:#535bf2;--accent-subtle:#646cff14;--heading:#111827;--code-bg:#1a1b26;--code-text:#c0caf5;--code-border:#2a2b3d;--code-header-bg:#ffffff08;--inline-code-bg:#f3f4f6;--inline-code-text:#374151;--inline-code-border:#e5e7eb;--table-head-bg:#f9fafb;--table-border:#e5e7eb;--table-row-hover:#f3f4f6;--callout-info-bg:#eff6ff;--callout-info-border:#646cff;--callout-info-text:#1d4ed8;--callout-warn-bg:#fffbeb;--callout-warn-border:#f59e0b;--callout-warn-text:#78350f;--callout-danger-bg:#fef2f2;--callout-danger-border:#ef4444;--callout-danger-text:#991b1b;--badge-cp-bg:#dbeafe;--badge-cp-text:#1e40af;--badge-cs-bg:#dcfce7;--badge-cs-text:#15803d;--scrollbar:#d1d5db;--shadow-sm:0 1px 2px #0000000a;--shadow:0 2px 8px #00000012;--shadow-md:0 4px 16px #0000001a}[data-theme=dark]{--sidebar-bg:#1b1b1f;--sidebar-border:#2e2e32;--sidebar-text:#8e8ea0;--sidebar-text-hover:#ebebef;--sidebar-text-active:#ebebef;--sidebar-active-bg:#646cff24;--sidebar-group-color:#484850;--navbar-bg:#1b1b1feb;--navbar-border:#2e2e32;--content-bg:#1b1b1f;--content-text:#c9c9d1;--content-text-muted:#636371;--content-border:#2e2e32;--accent:#a8b4ff;--accent-hover:#c4cbff;--accent-subtle:#a8b4ff1f;--heading:#ebebef;--code-bg:#0d0e17;--code-border:#2a2b3d;--inline-code-bg:#252529;--inline-code-text:#c9c9d1;--inline-code-border:#3a3a40;--table-head-bg:#252529;--table-border:#2e2e32;--table-row-hover:#252529;--callout-info-bg:#646cff1a;--callout-info-border:#a8b4ff;--callout-info-text:#a8b4ff;--callout-warn-bg:#f59e0b1a;--callout-warn-border:#f59e0b;--callout-warn-text:#fcd34d;--callout-danger-bg:#ef44441a;--callout-danger-border:#f87171;--callout-danger-text:#fca5a5;--badge-cp-bg:#1e40af40;--badge-cp-text:#93c5fd;--badge-cs-bg:#15803d40;--badge-cs-text:#86efac;--scrollbar:#3a3a40;--shadow-sm:0 1px 2px #0000004d;--shadow:0 2px 8px #00000059;--shadow-md:0 4px 16px #0006}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-family:Plus Jakarta Sans,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.6}body{background:var(--content-bg);color:var(--content-text);transition:background-color .2s,color .2s}#app{text-align:left;border:none;width:100%;max-width:100%;min-height:100svh;margin:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:var(--scrollbar);border-radius:3px}::-webkit-scrollbar-track{background:0 0}.app-shell{flex-direction:column;min-height:100vh;display:flex}.navbar{height:var(--navbar-height);background:var(--navbar-bg);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--navbar-border);z-index:200;align-items:center;gap:12px;padding:0 24px;display:flex;position:fixed;inset:0 0 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16px;display:flex}.error-row{gap:14px;display:flex}.error-label{text-transform:uppercase;letter-spacing:.07em;color:var(--content-text-muted);flex-shrink:0;min-width:62px;padding-top:2px;font-size:10.5px;font-weight:700}.error-val{font-size:13.5px;line-height:1.6}.collapsible{border:1px solid var(--content-border);box-shadow:var(--shadow-sm);border-radius:10px;margin:22px 0;overflow:hidden}.collapsible-title{color:var(--heading);background:var(--table-head-bg);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:13px 18px;font-size:14px;font-weight:600;list-style:none;transition:background-color .15s;display:flex}.collapsible-title::-webkit-details-marker{display:none}.collapsible-title:hover{background:var(--table-row-hover)}.collapsible-chevron{color:var(--content-text-muted);font-size:10px;transition:transform .2s;display:inline-block}.collapsible[open] .collapsible-chevron{transform:rotate(90deg)}.collapsible-body{border-top:1px solid var(--content-border);background:var(--content-bg);padding:18px 20px}.collapsible-body p{margin-bottom:14px;font-size:14px;line-height:1.7}.collapsible-body .code-block{margin-top:14px;margin-bottom:14px}@media (width<=1280px){.doc-content{padding:48px 48px 72px}}@media (width<=1024px){.doc-content{padding:40px 36px 64px}.eco-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.hamburger{display:flex}.sidebar{z-index:150;box-shadow:none;transform:translate(-100%)}.sidebar.is-open{transform:translate(0);box-shadow:4px 0 24px #00000026}.sidebar-backdrop.is-visible{display:block}.doc-content{margin-left:0;padding:28px 20px 56px}.eco-grid,.concept-grid,.sender-list{grid-template-columns:1fr}.doc-section h1{font-size:1.75rem}.doc-section h2{margin-top:40px;font-size:1.375rem}}