:root{--bg:#fafafa;--sf:#fff;--sf2:#f1f5f9;--sf3:#e9eef3;--ink:#0f172a;--ink-strong:#111;--tx:#334155;--txm:#64748b;--txd:#94a3b8;--bd:#e2e8f0;--bd2:#eef2f6;--accent:#0f172a;--accent-soft:#f1f5f9;--shadow-sm:0 1px 2px #0f172a0f;--pop:0 12px 34px #0f172a2e, 0 3px 10px #0f172a14}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif}a{color:inherit}.tint-indigo{background:#eef2ff}.tint-blue{background:#eff6ff}.tint-slate{background:#f1f5f9}.tint-amber{background:#fff7ed}.tint-rose{background:#fef2f2}.tint-green{background:#f0fdf4}.tint-violet{background:#f5f3ff}.fr{background:var(--bg);min-height:100vh}.fr .top{align-items:center;gap:14px;max-width:1000px;margin:0 auto;padding:22px 28px;display:flex}.fr .brand{color:var(--ink);align-items:center;gap:9px;font-size:18px;font-weight:900;text-decoration:none;display:flex}.fr .brand .m{background:var(--ink-strong);color:#fff;border-radius:9px;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;font-weight:900;display:flex}.fr .top .sp{flex:1}.fr .top a.nav{color:#4b5563;margin-left:20px;font-size:14px;font-weight:600;text-decoration:none}.fr .top a.nav:hover{color:var(--ink)}.fr .hero{text-align:center;padding:50px 28px 40px}.fr h1{letter-spacing:-1.2px;color:var(--ink);margin:0 0 12px;font-size:44px;font-weight:900}.fr .sub{color:#6b7280;margin:0 0 28px;font-size:17px}.fr .srch{max-width:560px;margin:0 auto;position:relative}.fr .srch input{border:2px solid var(--bd);width:100%;color:var(--ink);background:#fff;border-radius:16px;outline:none;padding:17px 20px;font-family:inherit;font-size:16px;box-shadow:0 10px 30px #0f172a14}.fr .srch input:focus{border-color:var(--ink)}.fr .srch input::placeholder{color:var(--txd)}.fr .cats{grid-template-columns:repeat(3,1fr);gap:16px;max-width:1000px;margin:36px auto 0;padding:0 28px;display:grid}.fr .card{cursor:pointer;color:inherit;border:1px solid var(--bd2);background:#fff;border-radius:20px;padding:22px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:block;box-shadow:0 4px 16px #0f172a0f}.fr .card:hover{transform:translateY(-4px);box-shadow:0 14px 34px #0f172a1f}.fr .card .ic{border-radius:15px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:14px;font-size:24px;display:flex}.fr .card h3{color:var(--ink);margin:0 0 5px;font-size:17px;font-weight:800}.fr .card p{color:#6b7280;margin:0 0 10px;font-size:13.5px;line-height:1.5}.fr .card .cnt{color:var(--ink);font-size:12px;font-weight:700}.fr .pop{max-width:1000px;margin:34px auto 0;padding:0 28px 90px}.fr .pop .t{color:var(--ink);margin-bottom:14px;font-size:15px;font-weight:800}.fr .pill{border:1px solid var(--bd2);color:#4b5563;cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:8px;margin:0 8px 8px 0;padding:9px 16px;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex}.fr .pill:hover{border-color:var(--ink);color:var(--ink)}.fr .clist{max-width:820px;margin:8px auto 0;padding:0 28px 90px}.fr .crow{border:1px solid var(--bd2);color:inherit;box-shadow:var(--shadow-sm);background:#fff;border-radius:14px;align-items:center;gap:14px;margin-bottom:10px;padding:16px 18px;text-decoration:none;transition:border-color .12s,transform .12s;display:flex}.fr .crow:hover{border-color:var(--ink);transform:translate(2px)}.fr .crow .cn{color:var(--ink);font-size:15.5px;font-weight:700}.fr .crow .cd{color:var(--txm);margin-top:2px;font-size:13px}.fr .crow .ar{color:var(--txd);margin-left:auto}.fr .back{color:var(--txm);max-width:820px;margin:26px auto 0;padding:0 28px;font-size:13px;font-weight:600;text-decoration:none;display:inline-block}.dd{color:#1a2230;background:#fafafa;min-height:100vh;font-size:14px}.dd .bar{z-index:5;background:#fff;border-bottom:1px solid #eaecef;align-items:center;gap:14px;height:52px;padding:0 20px;display:flex;position:sticky;top:0}.dd .brand{color:var(--ink);align-items:center;gap:8px;font-size:14px;font-weight:800;text-decoration:none;display:flex}.dd .brand .m{background:var(--ink);color:#fff;border-radius:5px;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:900;display:flex}.dd .bar .sp{flex:1}.dd .bar .sr{color:#8a94a3;background:#f7f8fa;border:1px solid #e3e6ea;border-radius:7px;width:260px;padding:6px 10px;font-size:12.5px}.dd .wrap{grid-template-columns:250px minmax(0,1fr) 220px;max-width:1800px;margin:0 auto;display:grid}.dd .nav{border-right:1px solid #eaecef;flex-direction:column;height:calc(100vh - 52px);padding:20px 14px;display:flex;position:sticky;top:52px;overflow:visible}.dd .nav .navlist{flex:auto;min-height:0;overflow-y:auto}.dd .navgroup{margin:0 0 16px}.dd .navgroup:first-child{margin-top:0}.dd .nav .g{text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin:0 10px 6px;font-size:11px;font-weight:800}.dd .nav .navlinks a{color:#3f4a5c;cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:6px 10px;font-size:13px;text-decoration:none;transition:background .12s,color .12s;display:flex}.dd .nav .navlinks a .navicon{flex:none}.dd .nav .navlinks a .lbl{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.dd .nav .navlinks a .chev{opacity:.8;flex:none;font-size:15px;line-height:1}.dd .nav .navlinks a:hover{color:var(--ink);background:#f6f7f9}.dd .nav .navlinks a.on{font-weight:700}.dd .main{min-width:0;padding:34px 44px}.dd .main .kick{color:var(--ink);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;font-size:12px;font-weight:700}.dd .main h1{letter-spacing:-.5px;color:var(--ink);margin:0 0 8px;font-size:30px;font-weight:800}.dd .main .lead{color:#66707e;max-width:560px;margin:0 0 26px;font-size:15px;line-height:1.55}.dd .cards{grid-template-columns:1fr 1fr;gap:10px;display:grid}.dd .cc{cursor:pointer;color:inherit;border:1px solid #eaecef;border-radius:9px;padding:14px 16px;text-decoration:none;transition:border-color .12s;display:block}.dd .cc:hover{border-color:var(--ink)}.dd .cc .h{color:var(--ink);align-items:center;gap:8px;margin-bottom:3px;font-size:14px;font-weight:700;display:flex}.dd .cc .h .i{background:#f1f5f9;border-radius:6px;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;display:flex}.dd .cc .d{color:#8a94a3;font-size:12.5px;line-height:1.45}.dd .toc{border-left:1px solid #eaecef;height:calc(100vh - 52px);padding:34px 18px;position:sticky;top:52px;overflow:auto}.dd .toc .t{text-transform:uppercase;letter-spacing:.06em;color:#9aa4b2;margin-bottom:10px;font-size:11px;font-weight:800}.dd .toc a{color:#66707e;border-left:2px solid #0000;padding:4px 8px;font-size:12.5px;text-decoration:none;transition:color .12s,border-color .12s;display:block}.dd .toc a.sub{padding-left:20px}.dd .toc a:hover{color:var(--ink)}.dd .toc a.active{color:var(--ink);border-left-color:var(--ink);font-weight:700}.reader{max-width:1040px;margin:0 auto;padding:0 40px 130px}.reader .rhead{padding:46px 0 8px}.reader .eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--txm);margin-bottom:15px;font-size:12px;font-weight:800;text-decoration:none;display:inline-block}.reader .eyebrow:hover{color:var(--ink)}.reader .rtitle{letter-spacing:-1.2px;color:var(--ink);max-width:810px;margin:0 0 18px;font-size:43px;font-weight:850;line-height:1.08}.reader .rmeta{color:var(--txm);flex-wrap:wrap;align-items:center;gap:11px;padding-bottom:34px;font-size:13.5px;display:flex}.reader .rmeta .av2{color:#fff;background:linear-gradient(135deg,#334155,#0f172a);border-radius:50%;justify-content:center;align-items:center;width:27px;height:27px;font-size:11px;font-weight:800;display:flex}.reader .rmeta .sepd{background:var(--txd);border-radius:50%;width:3px;height:3px}.rgrid{border-top:1px solid var(--bd);grid-template-columns:minmax(0,1fr) 240px;align-items:start;gap:60px;padding-top:42px;display:grid}.rbody{color:#3a4658;max-width:730px;font-size:17px;line-height:1.8}.rbody>*+*{margin-top:22px}.rbody h1{letter-spacing:-.5px;color:var(--ink);margin-top:48px;scroll-margin-top:80px;font-size:31px;font-weight:850}.rbody h2{letter-spacing:-.4px;color:var(--ink);margin-top:48px;scroll-margin-top:80px;font-size:26px;font-weight:800}.rbody h3{color:var(--ink);margin-top:34px;scroll-margin-top:80px;font-size:20px;font-weight:800}.rbody p{margin:0}.rbody strong{color:var(--ink);font-weight:700}.rbody a{color:var(--ink);border-bottom:1.5px solid var(--bd);font-weight:600;text-decoration:none}.rbody a:hover{border-bottom-color:var(--ink)}.rbody mark{background:#fef08a;border-radius:3px;padding:0 3px}.rbody ul,.rbody ol{padding-left:26px}.rbody li{margin:6px 0}.rbody li>p{margin:0}.rbody img{border:1px solid var(--bd);cursor:zoom-in;border-radius:14px;max-width:100%;margin:0;display:block;box-shadow:0 14px 34px #0f172a1c}.rbody .rfig{max-width:480px;margin:0}.rbody .rfig figcaption{color:var(--txm);text-align:center;margin-top:10px;font-size:13px}.rbody .rfig:has(+.rfig){vertical-align:top;width:calc(50% - 7px);max-width:calc(50% - 7px);margin-right:12px;display:inline-block}.rbody .rfig:has(+.rfig)+.rfig{vertical-align:top;width:calc(50% - 7px);max-width:calc(50% - 7px);margin-top:0;display:inline-block}.rbody .rfig:has(+.rfig) img{width:100%}.rbody .rfig:has(+.rfig)+.rfig img{width:100%}@media (max-width:640px){.rbody .rfig:has(+.rfig){width:100%;max-width:480px;margin-right:0;display:block}.rbody .rfig:has(+.rfig)+.rfig{width:100%;max-width:480px;margin-right:0;display:block}.rbody .rfig:has(+.rfig)+.rfig{margin-top:22px}}.rbody code{background:var(--sf3);color:#334155;border-radius:6px;padding:2px 6px;font-family:ui-monospace,Menlo,monospace;font-size:.87em}.rbody pre{color:#e2e8f0;background:#0f172a;border-radius:14px;padding:18px 20px;font-size:13.5px;line-height:1.6;overflow:auto;box-shadow:0 14px 34px #0f172a33}.rbody pre code{color:inherit;background:0 0;padding:0}.rbody blockquote{border-left:3px solid var(--bd);color:var(--txm);padding:2px 0 2px 20px;font-style:italic}.rbody blockquote p{margin:0}.rbody hr{border:none;border-top:1px solid var(--bd);margin:38px 0}.rbody ul.list-check{padding-left:2px;list-style:none}.rbody li.list-item-checkbox{align-items:flex-start;gap:10px;list-style:none;display:flex}.rbody li.list-item-checkbox input[type=checkbox]{width:17px;height:17px;accent-color:var(--ink);margin-top:3px}.rbody li.list-item-checkbox br{display:none}.rbody li.list-item-checkbox label{flex:1}.rbody table{border-collapse:separate;border-spacing:0;border:1px solid var(--bd);border-radius:14px;width:100%;font-size:15px;overflow:hidden;box-shadow:0 8px 22px #0f172a0f}.rbody th,.rbody td{border-bottom:1px solid var(--bd);border-right:1px solid var(--bd);text-align:left;vertical-align:top;padding:12px 16px}.rbody tr>:last-child{border-right:none}.rbody tbody tr:last-child>*{border-bottom:none}.rbody th{background:var(--sf2);color:var(--ink);font-weight:800}.rbody td p,.rbody th p{margin:0}.rbody .lexical-table-container{border:1px solid var(--bd);border-radius:14px;overflow:hidden;box-shadow:0 8px 22px #0f172a0f}.rbody table.lexical-table{width:100%;font-size:15px;border-collapse:collapse!important}.rbody .lexical-table-cell{text-align:left;vertical-align:top;border:1px solid var(--bd)!important;padding:12px 16px!important}.rbody .lexical-table-cell p{margin:0}.rbody .lexical-table-cell-header-1{color:var(--ink);font-weight:800;background:var(--sf2)!important}.callout{border:1px solid;border-radius:14px;padding:16px 20px 16px 50px;position:relative;box-shadow:0 6px 18px #0f172a0d}.callout:before{font-size:17px;position:absolute;top:15px;left:18px}.callout>*+*{margin-top:8px}.callout p{margin:0}.callout[data-variant=info]{background:#eff6ff;border-color:#bfdbfe}.callout[data-variant=info]:before{content:"ℹ️"}.callout[data-variant=tip]{background:#f5f3ff;border-color:#ddd6fe}.callout[data-variant=tip]:before{content:"💡"}.callout[data-variant=warning]{background:#fffbeb;border-color:#fde68a}.callout[data-variant=warning]:before{content:"⚠️"}.callout[data-variant=success]{background:#f0fdf4;border-color:#bbf7d0}.callout[data-variant=success]:before{content:"✅"}.toggle{border:1px solid var(--bd);background:var(--sf);border-radius:12px;overflow:hidden}.toggle>summary{cursor:pointer;color:var(--ink);-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:12px 16px;font-size:15px;font-weight:700;list-style:none;display:flex}.toggle>summary::-webkit-details-marker{display:none}.toggle>summary:before{content:"▸";color:var(--txm);font-weight:700;transition:transform .15s;display:inline-block}.toggle[open]>summary:before{transform:rotate(90deg)}.toggle .toggle-body{padding:2px 16px 14px 40px}.toggle .toggle-body>*+*{margin-top:8px}.toggle .toggle-body p{margin:0}.vid{border:1px solid var(--bd);border-radius:14px;overflow:hidden}.vid video{background:#0f172a;width:100%;display:block}.vid .frame{background:linear-gradient(160deg,#1e293b,#0f172a);justify-content:center;align-items:center;height:250px;display:flex}.vid .play{background:#fffffff0;border-radius:50%;justify-content:center;align-items:center;width:54px;height:54px;display:flex;box-shadow:0 6px 20px #0000004d}.vid .play:after{content:"";border-top:10px solid #0000;border-bottom:10px solid #0000;border-left:15px solid #0f172a;margin-left:4px}.vid .bar{border-top:1px solid var(--bd);color:var(--txm);background:#fff;align-items:center;gap:8px;padding:9px 14px;font-size:12px;display:flex}.reader .rgrid>aside{align-self:start;position:sticky;top:78px}.rtoc{max-height:calc(100vh - 100px);overflow:auto}.rtoc .t{text-transform:uppercase;letter-spacing:.1em;color:var(--txd);margin-bottom:12px;font-size:11px;font-weight:800}.rtoc,.dd .toc,.dd .navlist,.hs-results{scrollbar-width:none;-ms-overflow-style:none}.rtoc::-webkit-scrollbar{width:0;height:0}.dd .toc::-webkit-scrollbar{width:0;height:0}.dd .nav::-webkit-scrollbar{width:0;height:0}.hs-results::-webkit-scrollbar{width:0;height:0}.rtoc a{color:var(--txm);border-left:2px solid var(--bd);cursor:pointer;padding:6px 10px 6px 14px;font-size:13px;line-height:1.4;text-decoration:none;transition:color .12s,border-color .12s,background .12s;display:block}.rtoc a.sub{padding-left:26px;font-size:12.5px}.rtoc a:hover{color:var(--ink);border-left-color:var(--txd)}.rtoc a.active{color:var(--ink);border-left-color:var(--ink);background:var(--sf2);border-radius:0 8px 8px 0;font-weight:700}.rfoot{max-width:730px;margin-top:58px}.rhelpful{border:1px solid var(--bd);background:var(--sf);box-shadow:var(--shadow-sm);border-radius:16px;flex-wrap:wrap;align-items:center;gap:16px;padding:22px 24px;display:flex}.rhelpful .q{color:var(--ink);font-size:15px;font-weight:800}.rhelpful .btns{gap:8px;margin-left:auto;display:flex}.rhelpful .btns button{border:1px solid var(--bd);background:var(--sf);cursor:pointer;color:var(--tx);border-radius:10px;padding:9px 18px;font-family:inherit;font-size:13px;font-weight:700}.rhelpful .btns button:hover,.rhelpful .btns button.picked{border-color:var(--ink);color:var(--ink);background:var(--sf2)}.rnav{gap:14px;margin-top:18px;display:flex}.rnav a{border:1px solid var(--bd);background:var(--sf);cursor:pointer;border-radius:14px;flex:1;padding:15px 18px;text-decoration:none}.rnav a:hover{border-color:var(--ink);box-shadow:var(--shadow-sm)}.rnav .k{color:var(--txd);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:700}.rnav .v{color:var(--ink);margin-top:4px;font-size:14.5px;font-weight:700}.rnav .next{text-align:right}.fr .crumbs{max-width:1040px;color:var(--txm);flex-wrap:wrap;align-items:center;gap:8px;margin:0 auto;padding:6px 40px 0;font-size:13px;display:flex}.fr .crumbs a{color:var(--txm);text-decoration:none}.fr .crumbs a:hover{color:var(--ink)}.fr .crumbs .sep{color:var(--txd)}.fr .crumbs .cur{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;max-width:340px;font-weight:600;overflow:hidden}.rbody img{cursor:zoom-in}.lightbox{z-index:300;cursor:zoom-out;background:#0f172ad1;justify-content:center;align-items:center;padding:44px;animation:.14s lb-in;display:flex;position:fixed;inset:0}@keyframes lb-in{0%{opacity:0}to{opacity:1}}.lightbox__fig{cursor:default;flex-direction:column;align-items:center;max-width:96%;max-height:92%;margin:0;display:flex}.lightbox__fig img{border:1px solid #ffffff1f;border-radius:12px;max-width:100%;max-height:82vh;box-shadow:0 30px 80px #00000080}.lightbox__fig figcaption{color:#e2e8f0;margin-top:14px;font-size:13.5px}.lightbox__close{color:#fff;cursor:pointer;background:#ffffff1f;border:none;border-radius:50%;width:40px;height:40px;font-size:24px;line-height:1;position:fixed;top:20px;right:24px}.lightbox__close:hover{background:#ffffff38}.site-foot{border-top:1px solid var(--bd);background:#fff;margin-top:20px}.site-foot__inner{flex-wrap:wrap;align-items:center;gap:18px;max-width:1000px;margin:0 auto;padding:26px 28px;display:flex}.site-foot__brand{color:var(--ink);align-items:center;gap:9px;font-size:15px;font-weight:900;text-decoration:none;display:flex}.site-foot__brand .m{background:var(--ink-strong);color:#fff;border-radius:7px;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-weight:900;display:flex}.site-foot__links{gap:18px;display:flex}.site-foot__links a{color:var(--txm);font-size:13.5px;font-weight:600;text-decoration:none}.site-foot__links a:hover{color:var(--ink)}.site-foot__copy{color:var(--txd);text-align:right;max-width:380px;margin-left:auto;font-size:12.5px}.notfound{text-align:center;max-width:620px;margin:60px auto;padding:0 28px 90px}.notfound__code{letter-spacing:-3px;color:var(--bd);font-size:84px;font-weight:900;line-height:1}.notfound h1{letter-spacing:-.8px;color:var(--ink);margin:8px 0 10px;font-size:30px;font-weight:900}.notfound p{color:var(--txm);margin:0 0 26px;font-size:16px}.notfound__btn{background:var(--ink-strong);color:#fff;border-radius:12px;padding:12px 22px;font-size:14px;font-weight:700;text-decoration:none;display:inline-block}.notfound__btn:hover{opacity:.9}.hs{width:100%;position:relative}.hs-compact{width:100%}.hs-input{width:100%;color:var(--ink);background:#fff;border:1px solid #e3e6ea;border-radius:11px;outline:none;padding:9px 12px 9px 36px;font-family:inherit;font-size:13.5px}.hs-input:focus{background:#fff;border-color:#1e73be}.hs-input::placeholder{color:var(--txd)}.hs .hs-mag{color:#9aa1ad;pointer-events:none;width:16px;height:16px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.hs.hs-herowrap .hs-mag{color:#6b7280;width:20px;height:20px;top:28px;left:18px}.fr .top .topsearch{flex:1;max-width:420px;margin:0 8px}.dd .bar .ddsearch{width:360px;position:absolute;left:50%;transform:translate(-50%)}.hs-results{border:1px solid var(--bd);min-width:300px;box-shadow:var(--pop);z-index:80;text-align:left;background:#fff;border-radius:14px;max-height:62vh;padding:6px;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow:auto}.hs-results .hs-hit{color:var(--ink);border-radius:10px;padding:9px 12px;text-decoration:none;display:block}.hs-results .hs-hit:hover{background:var(--sf2)}.hs-hit-title{color:var(--ink);font-size:14px;font-weight:700}.hs-hit-cat{color:var(--txm);margin-top:1px;font-size:11.5px;font-weight:600}.hs-hit-snip{color:var(--txm);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:12px;line-height:1.45;display:-webkit-box;overflow:hidden}.hs-empty{color:var(--txm);padding:14px 12px;font-size:13px}.fr .hero .hs-results{border-radius:16px}.switch{z-index:200;box-shadow:var(--pop);background:#0f172a;border-radius:999px;gap:3px;padding:5px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.switch button{color:#cbd5e1;cursor:pointer;background:0 0;border:none;border-radius:999px;padding:8px 15px;font-family:inherit;font-size:12px;font-weight:700}.switch button.on{color:#fff;background:#334155}.dd .reader{max-width:none;padding:0}.dd .reader .rgrid{border-top:none;grid-template-columns:1fr;gap:0;padding-top:0}.dd .reader .rhead{padding:6px 0 8px}.dd .reader .rtitle{font-size:32px}.dd .reader aside{display:none}.dd .reader .rbody{max-width:none;font-size:16px}.rbody .lexical-table-container{-webkit-overflow-scrolling:touch;overflow-x:auto}@media (max-width:900px){.fr .cats{grid-template-columns:1fr 1fr;gap:12px}.dd .wrap{grid-template-columns:1fr}.dd .nav,.dd .toc{display:none}.dd .cards{grid-template-columns:1fr}.rgrid{grid-template-columns:1fr;gap:0}.rtoc,.reader aside{display:none}.fr h1{font-size:34px}.reader .rtitle{font-size:32px}.reader{padding:0 22px 90px}}@media (max-width:640px){.fr .top{flex-wrap:wrap;gap:8px 10px;padding:16px 18px}.fr .top .topsearch{flex:100%;order:3;max-width:none;margin:0}.fr .top .sp{display:none}.fr .top a.nav{margin-left:0;margin-right:16px;font-size:13px}.fr .brand{font-size:16px}.fr .hero{padding:32px 20px 26px}.fr h1{font-size:28px}.fr .sub{font-size:15px}.fr .cats{grid-template-columns:1fr;padding:0 18px}.fr .pop{padding:26px 18px 60px}.fr .crumbs{padding:8px 18px 0;font-size:12px}.fr .crumbs .cur{max-width:160px}.reader{padding:0 16px 80px}.reader .rhead{padding:24px 0 6px}.reader .rtitle{letter-spacing:-.6px;font-size:26px}.reader .rmeta{font-size:12.5px}.rbody{font-size:16px}.rbody h1{margin-top:34px;font-size:25px}.rbody h2{margin-top:34px;font-size:22px}.rbody h3{margin-top:26px;font-size:18px}.rbody pre{border-radius:10px;padding:14px}.rnav{flex-direction:column}.dd .bar{padding:0 14px}.dd .bar .ddsearch{width:150px}.dd .main{padding:22px 18px}.dd .main h1{font-size:25px}.site-foot__inner{flex-direction:column;align-items:flex-start;gap:12px}.site-foot__copy{text-align:left;margin-left:0}.lightbox{padding:20px}.lightbox__close{top:12px;right:14px}.notfound__code{font-size:64px}.notfound h1{font-size:24px}.switch{bottom:12px}}.grich{--tx:#0f172a;--tx2:#334155;--tx3:#64748b;--txm:#64748b;--txd:#94a3b8;--tl:#1e73be;--tl-06:#1e73be12;--bd:#e5e7eb;--sf:#fff;--sf2:#f1f5f9;--sf-b:#e5e7eb;color:var(--tx2);line-height:1.6}.grich h3,.grich p,.grich ul,.grich ol{margin:0}.grich strong{color:inherit;font-weight:700}.grich a{color:var(--tl)}@media (max-width:720px){.grich-2col{grid-template-columns:1fr!important}.grich-caprow{flex-direction:column!important}}.grich{--bg:#f8fafc;--font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--ok:#15803d;--ok-10:#15803d1a;--tl-10:#1e73be1a}.grich img{max-width:100%}.grich h2{margin:0}.dd .wrap.home{grid-template-columns:250px minmax(0,1fr);max-width:1800px}.dd .main .homehero{text-align:center;padding:30px 0 4px}.dd .homehero h1{letter-spacing:-.7px;color:var(--ink);margin:0 0 8px;font-size:34px;font-weight:800}.dd .homehero p{color:#66707e;max-width:520px;margin:0 auto 22px;font-size:15px}.dd .homehero .hs.hs-herowrap{max-width:620px;margin:0 auto}.hs-hero{background:#fff;border:1px solid #e3e6ea;border-radius:14px;height:56px;padding:0 18px 0 48px;font-size:16px;box-shadow:0 1px 2px #0f172a0a,0 8px 24px #0f172a0d}.hs-hero:focus{background:#fff;border-color:#1e73be}.hs-chips{flex-wrap:wrap;justify-content:center;gap:8px;max-width:640px;margin:16px auto 0;display:flex}.hs-chip{font:inherit;color:#3a3f4a;cursor:pointer;background:#fff;border:1px solid #e3e6ea;border-radius:999px;padding:6px 13px;font-size:12.5px;transition:border-color .14s,color .14s,background .14s}.hs-chip:hover{color:#1e73be;background:#eef4fb;border-color:#1e73be}.dd .hsec{margin-top:42px}.dd .hsec .eyebrow{letter-spacing:.9px;text-transform:uppercase;color:#9aa4b2;margin:0 0 14px;font-size:11.5px;font-weight:800}.dd .starts{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.dd .startcard{color:inherit;background:#fff;border:1px solid #eaecef;border-radius:14px;padding:16px;text-decoration:none;transition:transform .15s,border-color .15s;display:block;box-shadow:0 1px 2px #0f172a0a}.dd .startcard:hover{border-color:#dfe1e7;transform:translateY(-2px)}.dd .startcard .step{color:#9aa4b2;letter-spacing:.4px;margin-bottom:9px;font-size:11px;font-weight:700}.dd .startcard .badge{border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;margin-bottom:12px;display:flex}.dd .startcard h3{color:var(--ink);margin:0 0 5px;font-size:14px;font-weight:700}.dd .startcard p{color:#66707e;margin:0;font-size:12.5px;line-height:1.5}.dd .popular{grid-template-columns:1fr 1fr;gap:6px 24px;display:grid}.dd .poprow{color:inherit;border:1px solid #0000;border-radius:10px;align-items:center;gap:11px;padding:11px 12px;text-decoration:none;display:flex}.dd .poprow:hover{background:#fff;border-color:#eaecef}.dd .poprow .pt{min-width:0}.dd .poprow .t{color:var(--ink);font-size:13.5px;font-weight:600}.dd .poprow .s{color:#8a94a3;margin-top:1px;font-size:12px}.dd .poprow .arw{color:#b6bdc7;opacity:0;margin-left:auto;transition:opacity .14s,transform .14s}.dd .poprow:hover .arw{opacity:1;transform:translate(2px)}.dd .news{background:#fff;border:1px solid #eaecef;border-radius:14px;overflow:hidden;box-shadow:0 1px 2px #0f172a0a}.dd .newsrow{color:inherit;border-bottom:1px solid #eef0f2;align-items:flex-start;gap:16px;padding:15px 18px;text-decoration:none;display:flex}.dd .newsrow:last-of-type{border-bottom:0}.dd .newsrow:hover{background:#fbfbfc}.dd .newsmeta{flex:none;width:128px}.dd .ver{color:#1e73be;background:#eef4fb;border-radius:6px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.dd .date{color:#6b7280;margin-top:2px;font-size:12px;font-weight:600;display:block}.dd .newsbody h3{color:var(--ink);margin:0 0 3px;font-size:14px;font-weight:700}.dd .newsbody p{color:#66707e;margin:0;font-size:12.5px}.dd .newsfoot{text-align:center;padding:12px 18px}.dd .newsfoot a{color:#1e73be;font-size:12.5px;font-weight:600;text-decoration:none}.dd .browse{flex-wrap:wrap;gap:10px;display:flex}.dd .btile{min-width:210px;color:inherit;background:#fff;border:1px solid #eaecef;border-radius:12px;flex:1;align-items:center;gap:11px;padding:13px 15px;text-decoration:none;transition:border-color .14s;display:flex}.dd .btile:hover{border-color:#dcdee4}.dd .btile .bemoji{background:#f1f5f9;border-radius:7px;flex:none;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;display:flex}.dd .btile .btt{color:var(--ink);font-size:13.5px;font-weight:700}.dd .btile .bts{color:#8a94a3;font-size:11.5px}@media (max-width:900px){.dd .starts{grid-template-columns:1fr 1fr}.dd .popular{grid-template-columns:1fr}}.rbody .bh-sec{margin-top:46px}.rbody .bh-sec:first-child{margin-top:8px}.rbody .bh-sec__head{align-items:flex-start;gap:14px;display:flex}.rbody .bh-sec__num{background:var(--ink);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:30px;height:30px;margin-top:6px;font-size:13px;font-weight:700;display:flex}.rbody .bh-sec__title{margin:0;scroll-margin-top:80px;font-size:24px}.rbody .bh-sec__sub{color:var(--txm);margin-top:6px;padding-left:44px;font-size:15px;line-height:1.55}.rbody .bh-cards{gap:12px;display:grid}.rbody .bh-cards[data-cols="3"]{grid-template-columns:repeat(3,1fr)}.rbody .bh-cards[data-cols="2"]{grid-template-columns:repeat(2,1fr)}.rbody .bh-card{background:var(--sf);border:1px solid var(--bd);box-shadow:var(--shadow-sm);border-radius:12px;padding:16px 18px}.rbody .bh-cards--centered .bh-card{text-align:center;padding:22px 16px}.rbody .bh-card__icon{color:var(--ink);margin-bottom:8px;display:flex}.rbody .bh-cards--centered .bh-card__icon{justify-content:center;margin-bottom:10px}.rbody .bh-card__title{color:var(--ink);margin-bottom:5px;font-size:14px;font-weight:700;line-height:1.35}.rbody .bh-cards--centered .bh-card__title{font-size:13.5px}.rbody .bh-card__text{color:var(--txm);font-size:13px;line-height:1.55}@media (max-width:640px){.rbody .bh-cards[data-cols="3"],.rbody .bh-cards[data-cols="2"]{grid-template-columns:1fr}}.rbody .bh-shot{margin-top:24px}.rbody .bh-shot__label{text-transform:uppercase;letter-spacing:.07em;color:var(--txm);align-items:center;gap:8px;margin-bottom:8px;font-size:11px;font-weight:700;display:flex}.rbody .bh-shot__rule{background:var(--bd);flex:1;height:1px}.rbody .bh-shot__frame{border:1px solid var(--bd);background:var(--bg);box-shadow:var(--shadow-sm);border-radius:12px;overflow:hidden}.rbody .bh-shot__chrome{background:var(--sf2);border-bottom:1px solid var(--bd);align-items:center;gap:6px;height:32px;padding:0 12px;display:flex}.rbody .bh-shot__dot{border-radius:50%;flex:none;width:9px;height:9px}.rbody .bh-shot__dot.d1{background:#fc5b56}.rbody .bh-shot__dot.d2{background:#fdbc2c}.rbody .bh-shot__dot.d3{background:#2ac940}.rbody .bh-shot__chrometext{color:var(--txm);margin-left:8px;font-size:11px}.rbody .bh-shot__body{padding:20px 24px}.rbody .bh-shot__body img{border:1px solid var(--bd);border-radius:12px;width:100%;max-width:720px;height:auto;margin:0 auto;display:block;box-shadow:0 6px 20px #0f172a1a}.rbody .bh-steps{margin-top:12px}.rbody .bh-step{align-items:flex-start;gap:14px;display:flex}.rbody .bh-step+.bh-step{margin-top:14px}.rbody .bh-step__num{background:var(--ink);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:28px;height:28px;margin-top:1px;font-size:12px;font-weight:700;display:flex}.rbody .bh-step__label{color:var(--ink);margin-bottom:3px;font-size:14px;font-weight:600}.rbody .bh-step__hint{color:var(--txm);font-size:13px;line-height:1.5}.rbody .bh-deftable{border:1px solid var(--bd);box-shadow:var(--shadow-sm);border-radius:12px;overflow:hidden}.rbody .bh-deftable__head{background:var(--sf2);border-bottom:1px solid var(--bd);grid-template-columns:160px 1fr;gap:12px;padding:9px 16px;display:grid}.rbody .bh-deftable__head span{color:var(--txm);text-transform:uppercase;letter-spacing:.07em;font-size:11px;font-weight:700}.rbody .bh-deftable__row{background:var(--sf);grid-template-columns:160px 1fr;gap:12px;padding:11px 16px;display:grid}.rbody .bh-deftable__row+.bh-deftable__row{border-top:1px solid var(--bd)}.rbody .bh-deftable__term{color:var(--ink);font-size:13px;font-weight:700}.rbody .bh-deftable__def{color:var(--txm);font-size:13px;line-height:1.55}@media (max-width:640px){.rbody .bh-deftable__head,.rbody .bh-deftable__row{grid-template-columns:1fr;gap:3px}}.rbody .bh-faq{border:1px solid var(--bd);box-shadow:var(--shadow-sm);border-radius:12px;overflow:hidden}.rbody .bh-faq__item{padding:16px 20px}.rbody .bh-faq__item+.bh-faq__item{border-top:1px solid var(--bd)}.rbody .bh-faq__q{color:var(--ink);margin-bottom:6px;font-size:14px;font-weight:600}.rbody .bh-faq__a{color:var(--txm);font-size:13px;line-height:1.6}.dd-preview{background:#fff;min-height:100vh}.pvw-inner{max-width:880px;margin:0 auto;padding:36px 30px 90px}.mkt-nav,.mkt-mobile-menu,.mkt-footer,.mkt-skip{--mk-bg:#fafafa;--mk-surface:#fff;--mk-ink:#111;--mk-ink2:#666;--mk-ink3:#999;--mk-line:#e5e5e5;--mk-blue:#2563eb;--mk-ease:cubic-bezier(.16, 1, .3, 1);--mk-logo-h:clamp(26px, 3.5vw, 45px);box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.mkt-skip{z-index:300;background:var(--mk-ink);color:#fff;border-radius:8px;padding:10px 16px;font-size:13px;font-weight:600;text-decoration:none;transition:top .15s;position:fixed;top:-100px;left:12px}.mkt-skip:focus{top:12px}.mkt-nav{z-index:100;background:var(--mk-bg);border-bottom:1px solid #0000;grid-template-columns:1fr auto 1fr;align-items:center;height:64px;padding:0 48px;transition:border-color .3s;display:grid;position:fixed;top:0;left:0;right:0}.mkt-nav.scrolled{border-bottom-color:var(--mk-line)}.mkt-logo{align-items:center;display:flex}.mkt-logo-img{height:var(--mk-logo-h);width:auto;display:block}.dd.mkt .nav .navsearch{background:#fafafa;flex:none;margin-bottom:4px;padding-bottom:12px}.dd.mkt .nav .navsearch .hs-input{height:38px;color:var(--ink);background:#efefed;border:1px solid #e2e2df;border-radius:9px;padding:0 12px 0 34px;font-size:13px}.dd.mkt .nav .navsearch .hs-input::placeholder{color:#8a8a85}.dd.mkt .nav .navsearch .hs-input:focus{background:#fff;border-color:#cfcfc9}.dd.mkt .nav .navsearch .hs-mag{color:#8a8a85;width:15px;height:15px;left:12px}.mkt-links{justify-content:center;align-items:center;gap:28px;font-size:13px;font-weight:500;display:flex}.mkt-links>a{color:var(--mk-ink2);white-space:nowrap;text-decoration:none;transition:color .15s}.mkt-links>a:hover,.mkt-links>a.active{color:var(--mk-ink)}.mkt-actions{justify-content:flex-end;align-items:center;gap:10px;display:flex}.mkt-signin{border:1px solid var(--mk-line);color:var(--mk-ink);white-space:nowrap;background:0 0;border-radius:6px;margin-left:10px;padding:8px 18px;font-size:13px;font-weight:500;text-decoration:none;transition:border-color .15s,background .15s}.mkt-signin:hover{border-color:var(--mk-ink);background:var(--mk-surface)}.mkt-cta{background:var(--mk-ink);color:var(--mk-bg);white-space:nowrap;border:none;border-radius:6px;padding:8px 20px;font-size:13px;font-weight:600;text-decoration:none;transition:background .15s}.mkt-cta:hover{background:#333}.mkt-dropdown{align-items:center;display:flex;position:relative}.mkt-dropdown-trigger{color:var(--mk-ink2);white-space:nowrap;align-items:center;gap:5px;font-size:13px;font-weight:500;text-decoration:none;transition:color .15s;display:flex}.mkt-dropdown-trigger:hover{color:var(--mk-ink)}.mkt-caret{font-size:9px;line-height:1}.mkt-dropdown-menu{background:var(--mk-surface);border:1px solid var(--mk-line);z-index:200;opacity:0;visibility:hidden;pointer-events:none;min-width:210px;transition:opacity .15s var(--mk-ease), transform .15s var(--mk-ease), visibility 0s linear .15s;border-radius:12px;padding:6px;position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%)translateY(-6px);box-shadow:0 3px 4px #00000024,0 3px 3px -2px #0000001f,0 1px 8px #0003}.mkt-dropdown:hover .mkt-dropdown-menu,.mkt-dropdown:focus-within .mkt-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .15s var(--mk-ease), transform .15s var(--mk-ease), visibility 0s linear 0s;transform:translate(-50%)translateY(0)}.mkt-dropdown-item{border-radius:8px;padding:10px 14px;text-decoration:none;transition:background .12s;display:block}.mkt-dropdown-item:hover{background:#f5f5f5}.mkt-dropdown-item-title{color:var(--mk-ink);font-size:13px;font-weight:600;line-height:1.3;display:block}.mkt-dropdown-item-desc{color:var(--mk-ink3);margin-top:2px;font-size:11.5px;line-height:1.4;display:block}.mkt-hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:4px;display:none}.mkt-hamburger span{background:var(--mk-ink);border-radius:1px;width:20px;height:2px;transition:all .2s;display:block}.mkt-mobile-menu{background:var(--mk-ink);padding:84px 24px calc(20px + env(safe-area-inset-bottom));z-index:99;opacity:0;pointer-events:none;transition:transform .3s var(--mk-ease), opacity .25s;flex-direction:column;gap:0;display:flex;position:fixed;inset:0;overflow-y:auto;transform:translateY(-100%)}.mkt-mobile-menu.open{opacity:1;pointer-events:auto;transform:translateY(0)}.mkt-mobile-menu>a{letter-spacing:-.02em;color:var(--mk-bg);border-bottom:1px solid #ffffff17;padding:13px 0;font-family:Space Grotesk,system-ui,sans-serif;font-size:25px;font-weight:600;text-decoration:none;transition:color .15s;display:block}.mkt-mobile-menu>a:hover,.mkt-mobile-menu>a.active{color:#fff9}.mkt-mobile-actions{flex-direction:column;gap:10px;margin-top:24px;display:flex}.mkt-mobile-actions .mkt-signin,.mkt-mobile-actions .mkt-cta{text-align:center;margin-left:0;display:block}.mkt-mobile-actions .mkt-signin{color:#fff;border-color:#ffffff4d}.mkt-mobile-actions .mkt-cta{color:var(--mk-ink);background:#fff}@media (max-width:768px){.mkt-nav{height:56px;padding:0 24px}.mkt-links{display:none}.mkt-hamburger{display:flex}.mkt-nav .mkt-signin{display:none}}.mkt-footer{background:var(--mk-ink);border-top:1px solid #ffffff1a;padding:64px 48px 0}.mkt-footer-inner{grid-template-columns:1.5fr 1fr 1.1fr 1fr .9fr;gap:36px;max-width:1080px;margin:0 auto;padding-bottom:48px;display:grid}.mkt-footer-brand{flex-direction:column;gap:12px;display:flex}.mkt-footer-brand>a{display:inline-flex}.mkt-footer-logo-img{height:var(--mk-logo-h);width:auto;display:block}.mkt-footer-tagline{color:var(--mk-ink3);max-width:300px;margin:0;font-size:15px;line-height:1.5}.mkt-footer-company{color:#ffffff61;margin:0;font-size:13px}.mkt-footer-col-group{flex-direction:column;gap:28px;display:flex}.mkt-footer-col{flex-direction:column;gap:10px;display:flex}.mkt-footer-col h3{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.mkt-footer-col a{color:var(--mk-ink3);font-size:12px;text-decoration:none;transition:color .15s}.mkt-footer-col a:hover{color:var(--mk-bg)}.mkt-footer-badges{align-items:center;gap:8px;margin-top:10px;display:flex}.mkt-footer-badges img{opacity:.9;width:auto;height:44px}.mkt-footer-bottom{color:#ffffff61;border-top:1px solid #ffffff14;max-width:1080px;margin:0 auto;padding:20px 0;font-size:12px}@media (max-width:768px){.mkt-footer{padding:48px 24px 0}.mkt-footer-inner{grid-template-columns:1fr;gap:28px}}.mkt-nav a:focus-visible,.mkt-nav button:focus-visible,.mkt-footer a:focus-visible,.mkt-mobile-menu a:focus-visible{outline:2px solid var(--mk-blue);outline-offset:2px;border-radius:4px}.dd.mkt{padding-top:64px}.dd.mkt .nav,.dd.mkt .toc{height:calc(100vh - 64px);top:64px}.dd.mkt .nav{z-index:30}.dd.mkt .nav .navsearch .hs-results{z-index:90}@media (max-width:768px){.dd.mkt{padding-top:56px}}