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8px);top:50%;transform:translateY(-50%)}._searchInlineShell_6u59w_93{height:var(--nav-control-h);width:0;opacity:0;transform:translate(10px);pointer-events:none;overflow:hidden;transition:width .18s ease,opacity .15s ease,transform .18s ease;will-change:width,opacity,transform}._searchInlineShellOpen_6u59w_104{width:clamp(200px,34vw,360px);opacity:1;transform:translate(0);pointer-events:auto}._searchField_6u59w_111{position:relative;height:var(--nav-control-h);width:100%;border-radius:9999px;background:var(--field);border:1px solid rgba(0,0,0,.08)}._searchField_6u59w_111:focus-within{background:var(--paper);border-color:#00000024}._searchIcon_6u59w_125{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted2);pointer-events:none}._searchInput_6u59w_136{width:100%;height:100%;padding:0 16px 0 44px;background:transparent;border:0;border-radius:9999px}._searchInput_6u59w_136:focus,._searchInput_6u59w_136:focus-visible{outline:none}._iconButton_6u59w_150{height:var(--nav-control-h);width:var(--nav-control-h);display:inline-flex;align-items:center;justify-content:center;background:transparent;border:0;border-radius:9999px;cursor:pointer}._iconButton_6u59w_150:hover{background:#0000000a}._iconButton_6u59w_150[aria-expanded=true]{background:#0000000f}._icon_6u59w_150{width:20px;height:20px;color:var(--text)}._searchPanel_6u59w_176{padding:16px}._searchHeader_6u59w_180{display:flex;align-items:center;gap:10px}._searchPopupForm_6u59w_186{flex:1 1 auto}._searchBody_6u59w_190{margin-top:12px;max-height:min(520px,calc(100vh - 240px));overflow:auto}._searchMuted_6u59w_196{margin:0;color:var(--muted)}._searchResults_6u59w_201{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:14px}._searchResultItem_6u59w_209{padding:0}._searchResultTitle_6u59w_213{font-size:16px;font-weight:650;color:var(--accent);text-decoration:none}._searchResultTitle_6u59w_213:hover{text-decoration:underline}._searchResultSnippet_6u59w_224{margin:6px 0 0;color:var(--text);font-size:14px}._searchResultMeta_6u59w_230{margin:6px 0 0;color:var(--muted2);font-size:13px}._searchFooter_6u59w_236{margin-top:14px;padding-top:12px;border-top:1px solid rgba(0,0,0,.08);display:flex;align-items:center;justify-content:space-between;gap:12px}._searchHint_6u59w_246{margin:0;color:var(--muted2);font-size:13px}._searchAllLink_6u59w_252{font-weight:600}._dropdownWrap_6u59w_256{position:relative;z-index:1;padding:12px var(--page-pad-x) 16px}._menuPanel_6u59w_262{max-width:var(--reader-shell);margin:0 auto;padding:18px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:20px;animation:_menuPop_6u59w_1 .16s ease-out}._menuPanelBare_6u59w_272{padding:0;background:transparent;border:0;border-radius:0}@keyframes _menuPop_6u59w_1{0%{opacity:0;transform:translateY(-8px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}._menuNav_6u59w_290{display:flex;flex-wrap:wrap;align-items:center;gap:10px}._menuLink_6u59w_297{display:inline-flex;align-items:center;padding:12px;border-radius:14px;font-size:18px;font-weight:500;color:var(--text);text-decoration:none;white-space:nowrap}._menuLink_6u59w_297:hover{background:#0000000a;text-decoration:none}._menuDivider_6u59w_314{height:1px;background:#00000014;margin:8px 6px}._link_6u59w_320,._navItem_6u59w_321{color:var(--accent)}._buttonLink_6u59w_325{padding:0;background:transparent;border:0;color:var(--accent);cursor:pointer}@media(prefers-reduced-motion:reduce){._menuPanel_6u59w_262{animation:none}._searchInlineShell_6u59w_93{transition:none;transform:none}}@media(max-width:640px){._header_6u59w_1{padding:14px var(--page-pad-x);--nav-control-h: 36px}._topInner_6u59w_36{gap:12px}._brand_6u59w_52{font-size:clamp(24px,7vw,32px)}._searchIcon_6u59w_125{left:12px}._searchInput_6u59w_136{padding:0 14px 0 40px}._searchBody_6u59w_190{max-height:min(520px,calc(100vh - 210px))}._searchInlineShellOpen_6u59w_104{width:clamp(150px,50vw,240px)}._dropdownWrap_6u59w_256{padding:12px var(--page-pad-x) 14px}._menuPanel_6u59w_262{padding:14px;border-radius:18px}._menuLink_6u59w_297{font-size:16px;padding:10px;border-radius:12px}}._page_w12qv_1{min-height:100vh;display:flex;flex-direction:column}._main_w12qv_7{flex:1;width:100%;max-width:1440px;margin:0 auto;padding:44px var(--page-pad-x) 96px}._mainArticle_w12qv_15{max-width:none;margin:0}@media(max-width:640px){._main_w12qv_7{padding:30px var(--page-pad-x) 72px}}._footer_sogj0_1{background-color:#1d1d1f;padding:64px 24px 34px;color:#e6e2d8}._inner_sogj0_8{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:48px}._brandSection_sogj0_16{max-width:360px}._brandLink_sogj0_20{display:inline-flex}._logo_sogj0_29{height:42px;width:auto;display:block;filter:brightness(0) invert(.88);opacity:.95}._description_sogj0_38{margin-top:14px;font-size:14px;line-height:1.75;color:#cfc9bc}._motto_sogj0_45{margin-top:18px;display:flex;flex-direction:column;gap:6px}._mottoLabel_sogj0_52{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:#9f9585}._mottoText_sogj0_59{font-size:13px;color:#bdb6a8}._nav_sogj0_65{display:flex;gap:72px}._navGroup_sogj0_70{display:flex;flex-direction:column;gap:12px}._groupTitle_sogj0_76{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:#9f9585;margin-bottom:8px}._link_sogj0_84{font-size:14px;color:#e6e2d8;text-decoration:none;font-weight:600;transition:transform .15s ease,color .15s ease}._link_sogj0_84:hover{color:#fff;transform:translate(2px)}._bottomBar_sogj0_98{max-width:1200px;margin:44px auto 0;padding-top:18px;display:flex;justify-content:space-between;font-size:12.5px;color:#bdb6a8}._legalLinks_sogj0_108{display:inline-flex;gap:10px}._dot_sogj0_113{opacity:.5}@media(max-width:768px){._inner_sogj0_8{flex-direction:column;gap:40px}._nav_sogj0_65{justify-content:space-between;gap:28px}._bottomBar_sogj0_98{flex-direction:column;gap:12px;text-align:center}}:root{--bg: #f5f5f7;--paper: #ffffff;--field: #eef0f3;--text: #1d1d1f;--muted: #666666;--muted2: #979797;--accent: #0088cc;--page-pad-x: 56px;--reader-main: 900px;--reader-toc: 220px;--reader-gap: 44px;--reader-shell: calc(var(--reader-toc) + var(--reader-gap) + var(--reader-main));font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55;font-weight:400;color:var(--text);background:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.srOnly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}mark{background:#ededf0;color:inherit}@media(max-width:640px){:root{--page-pad-x: 22px}}