.st.t-cream{--bg:#e9e3d5;--bg-deep:#e0d8c6;--paper:#f2eee3;--ink:#262219;--ink-2:#4b4536;--ink-3:#766e5c;--ink-4:#9c9482;--rule:#26221924;--rule-strong:#2622194d;--accent:#4a5160;--accent-soft:#d4d8e4;--accent-deep:#363d4e;--feat-bg:#211d16;--feat-ink:#efeadf;--pos:#4a5160;--media-bg:#e7dece;--shadow-card:0 2px 8px #1e1b160f,0 1px 3px #1e1b160a;--shadow-hero:0 1px 2px #00000014,0 40px 80px -48px #0000004d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.st.t-night{--bg:#1b1712;--bg-deep:#161310;--paper:#241f18;--ink:#ece5d6;--ink-2:#c7beac;--ink-3:#998f7c;--ink-4:#6f6757;--rule:#ece5d621;--rule-strong:#ece5d642;--accent:#7a8498;--accent-soft:#2c3040;--accent-deep:#9daabb;--feat-bg:#0e0b07;--feat-ink:#ece5d6;--pos:#7a8498;--media-bg:#0f0c08;--shadow-card:0 2px 8px #0006,0 1px 3px #0000004d;--shadow-hero:0 1px 2px #00000080,0 40px 80px -48px #000000b3;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.st{background:var(--bg);color:var(--ink);font-family:var(--font-sans,"Inter"),system-ui,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;position:relative}.st *{box-sizing:border-box}.st .serif{font-family:var(--font-serif,"Source Serif 4"),Georgia,serif}.st .mono{font-family:var(--font-mono,"JetBrains Mono"),ui-monospace,monospace}.st a{color:inherit;cursor:pointer;text-decoration:none}.st .stnav{z-index:60;background:color-mix(in oklab,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);position:sticky;top:0}.st .stnav .r{align-items:center;gap:26px;max-width:1280px;height:64px;margin:0 auto;padding:0 36px;display:flex}.st .stnav .brand{font-family:var(--font-serif,"Source Serif 4"),serif;align-items:center;gap:9px;font-size:16px;font-weight:600;display:flex}.st .stnav .brand svg{width:23px;height:23px;color:var(--accent)}.st .stnav .lk{gap:22px;margin-left:8px;display:flex}.st .stnav .lk a{color:var(--ink-3);font-size:13.5px}.st .stnav .lk a.on{color:var(--ink)}.st .stnav .right{align-items:center;gap:14px;margin-left:auto;display:flex}.st .sttg{border:1px solid var(--rule);cursor:pointer;width:34px;height:34px;color:var(--ink-3);background:0 0;border-radius:50%;justify-content:center;align-items:center;display:flex}.st .stnav .cta{color:#fff;background:var(--accent);border-radius:10px;padding:9px 18px;font-size:13px;font-weight:600;text-decoration:none}.st .stnav .cta.line{color:var(--ink);border:1px solid var(--rule-strong);background:0 0}.st .stbtn{appearance:none;background:var(--accent);color:#fff;font-family:var(--font-sans,"Inter");cursor:pointer;border:0;border-radius:12px;align-items:center;gap:9px;padding:14px 26px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.st .stbtn .ar{font-family:var(--font-mono,"JetBrains Mono"),monospace;font-weight:400}.st .stbtn.line{color:var(--ink);border:1px solid var(--rule-strong);background:0 0}.st .stbtn:disabled{opacity:.4;pointer-events:none}.st .sthero{max-width:1280px;margin:0 auto;padding:64px 36px 30px}.st .sthero .eyebrow{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);align-items:center;gap:12px;margin:0 0 26px;font-size:11px;display:flex}.st .sthero .eyebrow:before{content:"";background:var(--accent);width:26px;height:1px}.st .herogrid{grid-template-columns:minmax(340px,.86fr) 1.14fr;align-items:center;gap:44px;display:grid}.st .hg-media{box-shadow:var(--shadow-hero);background:var(--media-bg);border-radius:22px;align-self:start;position:relative;overflow:hidden}.st .hg-media img{object-fit:contain;width:100%;height:auto;display:block}.st .hg-media .m-dark,.st.t-night .hg-media .m-light{display:none}.st.t-night .hg-media .m-dark{display:block}.st .hg-right{flex-direction:column;justify-content:center;gap:30px;display:flex}.st .sthero h1{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.03em;white-space:nowrap;max-width:18ch;margin:0;font-size:clamp(36px,4.6vw,66px);font-weight:500;line-height:1}.st .sthero h1 em{color:var(--accent);font-style:italic}.st .sthero .lede{max-width:52ch;color:var(--ink-2);margin:18px 0 0;font-size:clamp(16px,1.9vw,18.5px);line-height:1.62}.st .hg-method{border:1px solid var(--rule-strong);background:var(--paper);border-radius:20px;flex-direction:column;padding:28px 30px;display:flex}.st .hg-method .gradient{align-items:flex-end;gap:6px;height:54px;margin-bottom:18px;display:flex}.st .hg-method .gradient i{background:var(--accent);opacity:.34;border-radius:3px;width:12px}.st .hg-method .gradient i:first-child{height:18%}.st .hg-method .gradient i:nth-child(2){opacity:.46;height:34%}.st .hg-method .gradient i:nth-child(3){opacity:.62;height:54%}.st .hg-method .gradient i:nth-child(4){opacity:.8;height:76%}.st .hg-method .gradient i:nth-child(5){opacity:1;height:100%}.st .hg-method h2{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.018em;margin:0;font-size:clamp(20px,2.4vw,27px);font-weight:500;line-height:1.12}.st .hg-method p{color:var(--ink-3);margin:13px 0 0;font-size:14.5px;line-height:1.6}.st .hg-method p b{color:var(--ink-2);font-weight:600}.st .stwrap{grid-template-columns:1fr 360px;align-items:start;gap:48px;max-width:1280px;margin:0 auto;padding:56px 36px 100px;display:grid}.st .catalog{min-width:0}.st .sec-h{flex-wrap:wrap;align-items:baseline;gap:16px;margin-bottom:6px;display:flex}.st .sec-h .eyebrow{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);align-items:center;gap:12px;margin:0;font-size:11px;display:flex}.st .sec-h .eyebrow:before{content:"";background:var(--accent);width:26px;height:1px}.st .catalog h2.big{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.02em;margin:16px 0 0;font-size:clamp(28px,4vw,44px);font-weight:500;line-height:1.05}.st .catalog .sub{color:var(--ink-3);max-width:60ch;margin:14px 0 0;font-size:15.5px;line-height:1.6}.st .emo{margin-top:40px}.st .emo .ehead{align-items:center;gap:12px;margin-bottom:6px;display:flex}.st .emo .dot{border-radius:50%;flex:none;width:11px;height:11px}.st .emo .ehead h3{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.01em;margin:0;font-size:23px;font-weight:500}.st .emo .escale{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);align-items:center;gap:7px;margin-left:auto;font-size:9.5px;display:flex}.st .emo .escale .ar{background:linear-gradient(90deg,var(--rule),var(--accent));width:34px;height:1px}.st .emo .ecap{color:var(--ink-3);margin:0 0 16px;font-size:13.5px;line-height:1.5}.st .qgrid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;display:grid}.st .qcard{border:1px solid var(--rule);background:var(--paper);border-radius:15px;flex-direction:column;gap:10px;padding:15px 16px;transition:border-color .16s,transform .16s;display:flex;position:relative}.st .qcard:hover{border-color:var(--rule-strong)}.st .qcard .top{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.st .qcard .diff{align-items:center;gap:3px;display:flex}.st .qcard .diff i{background:var(--rule-strong);border-radius:50%;width:5px;height:5px}.st .qcard .diff i.on{background:var(--accent)}.st .qcard .dlabel{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);font-size:8.5px}.st .qcard h4{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.005em;margin:0;font-size:16.5px;font-weight:500;line-height:1.2}.st .qcard .foot{justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:4px;display:flex}.st .qcard .pr{font-family:var(--font-mono,"JetBrains Mono"),monospace;color:var(--ink-3);font-size:11.5px}.st .qcard .add{appearance:none;border:1px solid var(--rule-strong);color:var(--ink);cursor:pointer;background:0 0;border-radius:10px;flex:none;justify-content:center;align-items:center;width:34px;height:34px;transition:all .16s;display:flex}.st .qcard .add svg{width:16px;height:16px;transition:transform .2s}.st .qcard .add:hover{border-color:var(--accent);color:var(--accent)}.st .qcard.in{border-color:var(--accent)}.st .qcard.in .add{background:var(--accent);border-color:var(--accent);color:#fff}.st .qcard.in .add svg{transform:rotate(45deg)}.st .qcard.train{background:color-mix(in oklab,var(--accent) 7%,var(--paper))}.st .qcard.train .tbadge{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-size:8px}.st .disc{border:1px dashed var(--rule-strong);background:0 0;border-radius:14px;margin-top:16px;padding:18px 20px}.st .disc .dh{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:9px;margin-bottom:9px;font-size:10px;display:flex}.st .disc .dh svg{width:15px;height:15px;color:var(--accent)}.st .disc p{color:var(--ink-3);margin:0;font-size:13px;line-height:1.55}.st .disc p b{color:var(--ink-2);font-weight:600}.st .gatebar{border:1px solid var(--rule);background:var(--accent-soft);border-radius:14px;align-items:flex-start;gap:13px;margin-top:22px;padding:15px 18px;display:flex}.st .gatebar svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:1px}.st .gatebar p{color:var(--ink-2);margin:0;font-size:13px;line-height:1.55}.st .gatebar b{font-weight:600}.st .qcard.locked{opacity:1;border-style:dashed;border-color:var(--rule-strong);background:0 0}.st .qcard.locked h4{color:var(--ink-3)}.st .lockpill{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);white-space:nowrap;border-radius:100px;padding:3px 8px;font-size:8px}.st .qcard .lockbar,.st .qcard.locked .foot{display:none}.st .qcard.locked .lockbar{align-items:center;gap:8px;margin-top:auto;padding-top:4px;display:flex}.st .qcard.locked .lockbar svg{width:14px;height:14px;color:var(--ink-4);flex:none}.st .qcard.locked .lockbar .lt{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.04em;color:var(--ink-4);font-size:9.5px;line-height:1.35}.st .qcard.locked .diff i.on{background:var(--ink-4)}.st .qcard.sub-only.locked .lockbar .lt,.st .qcard.sub-only.locked .lockbar svg{color:var(--accent)}.st .qcard .lessonnote{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.03em;color:var(--ink-4);margin-top:2px;font-size:8.5px;line-height:1.4;display:block}.st .qcard.locked .lessonnote{display:none}.st .route{border:1px solid var(--rule-strong);background:var(--paper);border-radius:22px;flex-direction:column;max-height:calc(100vh - 104px);display:flex;position:sticky;top:84px;overflow:hidden}.st .route .rhead{border-bottom:1px solid var(--rule);padding:20px 24px 16px}.st .route .rhead .t{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-4);font-size:10.5px}.st .route .rhead h3{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.01em;margin:6px 0 0;font-size:21px;font-weight:500}.st .route .rhead .cnt{color:var(--ink-3);margin-top:4px;font-size:12.5px}.st .spine{flex:1;padding:14px 22px 4px;overflow-y:auto}.st .snode{margin-bottom:10px;padding:0 0 4px 30px;position:relative}.st .snode:before{content:attr(data-n);border:1.6px solid var(--accent);background:var(--accent);color:#fff;width:20px;height:20px;font-family:var(--font-mono,"JetBrains Mono"),monospace;z-index:2;border-radius:50%;justify-content:center;align-items:center;font-size:10px;display:flex;position:absolute;top:1px;left:0}.st .snode:after{content:"";background:var(--rule);z-index:1;width:1.6px;position:absolute;top:22px;bottom:-12px;left:9.5px}.st .snode:last-child:after{display:none}.st .schip{background:var(--bg);border:1px solid var(--rule);border-radius:10px;align-items:center;gap:8px;padding:8px 10px;animation:.26s cubic-bezier(.2,.8,.3,1) st-chipin;display:flex}.st .schip .ci{border-radius:50%;flex:none;width:8px;height:8px}.st .schip .cn{flex:1;min-width:0;font-size:12.5px;line-height:1.2}.st .schip .ce{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4);margin-top:2px;font-size:9px;display:block}.st .schip .rm{appearance:none;color:var(--ink-4);cursor:pointer;background:0 0;border:0;flex:none;padding:2px;font-size:15px;line-height:1}.st .schip .rm:hover{color:var(--accent)}@keyframes st-chipin{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:none}}.st .rhint{background:var(--accent-soft);color:var(--ink-2);border-radius:12px;margin:2px 22px 0;padding:12px 14px;font-size:12.5px;line-height:1.5;display:none}.st .rhint.show{display:block}.st .rhint b{font-weight:600}.st .rhint button{appearance:none;color:var(--accent);cursor:pointer;text-underline-offset:2px;background:0 0;border:0;padding:0;font-size:12.5px;font-weight:600;text-decoration:underline}.st .rfoot{border-top:1px solid var(--rule);background:var(--paper);padding:16px 24px 20px}.st .rfoot .opt{color:var(--ink-3);justify-content:space-between;align-items:baseline;padding:6px 0;font-size:13px;display:flex}.st .rfoot .opt b{font-family:var(--font-serif,"Source Serif 4"),serif;color:var(--ink);font-size:17px;font-weight:500}.st .rfoot .opt.best{color:var(--ink-2)}.st .rfoot .opt.best b{color:var(--accent)}.st .rfoot .opt b small{color:var(--ink-4);font-size:.6em;font-family:var(--font-sans,"Inter")}.st .rfoot .save{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.04em;color:var(--accent);text-align:right;margin-top:2px;font-size:10px}.st .rfoot .stbtn{justify-content:center;width:100%;margin-top:12px}.st .rfoot .rempty{color:var(--ink-4);text-align:center;padding:6px 0;font-size:13px;line-height:1.5}.st .route.empty .rfoot .stbtn,.st .route.empty .rfoot .opt,.st .route.empty .rfoot .save{display:none}.st .pricing{max-width:1280px;margin:0 auto;padding:30px 36px 20px}.st .tiers{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:20px;margin-top:34px;display:grid}.st .tier{border:1px solid var(--rule);background:var(--paper);border-radius:22px;flex-direction:column;padding:30px 28px;display:flex}.st .tier.feat{background:var(--feat-bg);color:var(--feat-ink);border:0}.st .tier .lbl{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);font-size:10.5px}.st .tier.feat .lbl{color:color-mix(in oklab,var(--feat-ink) 60%,transparent)}.st .tier h3{font-family:var(--font-serif,"Source Serif 4"),serif;margin:9px 0 2px;font-size:21px;font-weight:500}.st .tier .amt{font-family:var(--font-serif,"Source Serif 4"),serif;color:var(--accent);letter-spacing:-.01em;margin:14px 0 4px;font-size:38px;line-height:1}.st .tier.feat .amt{color:var(--feat-ink)}.st .tier .amt span{color:var(--ink-4);font-size:.36em;font-family:var(--font-sans,"Inter")}.st .tier.feat .amt span{color:color-mix(in oklab,var(--feat-ink) 60%,transparent)}.st .tier .hd{color:var(--ink-3);min-height:38px;font-size:13.5px}.st .tier.feat .hd{color:color-mix(in oklab,var(--feat-ink) 72%,transparent)}.st .tier ul{flex-direction:column;gap:10px;margin:18px 0 24px;padding:0;list-style:none;display:flex}.st .tier li{color:var(--ink-2);align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.45;display:flex}.st .tier.feat li{color:color-mix(in oklab,var(--feat-ink) 88%,transparent)}.st .tier li svg{color:var(--accent);flex:none;margin-top:2px}.st .tier.feat li svg{color:var(--feat-ink)}.st .tier .ribbon{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.12em;text-transform:uppercase;background:var(--accent);color:#fff;border-radius:100px;align-self:flex-start;margin-bottom:12px;padding:4px 10px;font-size:9px}.st .tier .stbtn{justify-content:center;width:100%;margin-top:auto}.st .tier.feat .stbtn{background:var(--feat-ink);color:var(--feat-bg)}.st .tier .stbtn.line{border-color:var(--rule-strong)}.st .included{color:var(--ink-3);text-align:center;margin-top:22px;font-size:13px;line-height:1.6}.st .included b{color:var(--ink-2);font-weight:500}.st .ladder{max-width:1100px;margin:0 auto;padding:80px 36px 30px}.st .ladder .top{text-align:center;margin-bottom:46px}.st .ladder .eyebrow{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);justify-content:center;align-items:center;gap:12px;font-size:11px;display:flex}.st .ladder .eyebrow:before,.st .ladder .eyebrow:after{content:"";background:var(--accent);width:26px;height:1px}.st .ladder h2{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.02em;max-width:20ch;margin:18px auto 0;font-size:clamp(28px,4vw,46px);font-weight:500;line-height:1.06}.st .ladder .lsub{max-width:54ch;color:var(--ink-3);margin:18px auto 0;font-size:16px;line-height:1.6}.st .steps{flex-direction:column;display:flex}.st .lstep{border-bottom:1px solid var(--rule);grid-template-columns:64px 1fr;align-items:baseline;gap:26px;padding:22px 0;display:grid;position:relative}.st .lstep:first-child{border-top:1px solid var(--rule)}.st .lstep .ln{font-family:var(--font-mono,"JetBrains Mono"),monospace;color:var(--accent);letter-spacing:.06em;font-size:13px}.st .lstep h3{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.01em;margin:0;font-size:clamp(20px,2.6vw,27px);font-weight:500;line-height:1.12}.st .lstep p{color:var(--ink-3);max-width:60ch;margin:7px 0 0;font-size:14.5px;line-height:1.55}.st .lstep.peak h3{color:var(--accent)}.st .ladder .culmination{text-align:center;font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.01em;color:var(--ink-2);margin-top:40px;font-size:clamp(20px,3vw,28px);font-style:italic;line-height:1.3}.st .rchevron,.st .rbadge,.st .rhandle{display:none}.st .sysfoot{background:var(--bg-deep);color:var(--ink);font-family:var(--font-sans,"Inter"),system-ui,sans-serif;border-top:1px solid var(--rule)}.st .sysfoot .sf-wrap{max-width:1280px;margin:0 auto;padding:0 36px}.st .sysfoot .sf-top{padding-top:110px;padding-bottom:74px}.st .sf-eyebrow{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);align-items:center;gap:12px;margin:0 0 22px;font-size:11px;display:flex}.st .sf-eyebrow:before{content:"";background:var(--accent);width:26px;height:1px}.st .sf-top h2{font-family:var(--font-serif,"Source Serif 4"),serif;letter-spacing:-.02em;max-width:24ch;margin:0;font-size:clamp(26px,3.4vw,36px);font-weight:500;line-height:1.12}.st .sf-grid{grid-template-columns:1.15fr 1fr;align-items:stretch;gap:48px;margin-top:48px;display:grid}.st .sf-tools{border-top:1px solid var(--rule-strong)}.st .sf-tool{border-bottom:1px solid var(--rule);color:inherit;justify-content:space-between;align-items:baseline;gap:16px;padding:14px 0;text-decoration:none;display:flex}.st .sf-tool .nm{font-family:var(--font-serif,"Source Serif 4"),serif;color:var(--ink);font-size:18px}.st .sf-tool .nm.cur{color:var(--accent)}.st .sf-tool .meta{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4);white-space:nowrap;font-size:10.5px}.st .sf-sub{background:var(--feat-bg);color:var(--feat-ink);border-radius:20px;flex-direction:column;justify-content:center;padding:40px 34px;display:flex}.st .sf-sub .tier{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.14em;text-transform:uppercase;color:color-mix(in oklab,var(--feat-ink) 60%,transparent);background:0 0;border:0;border-radius:0;padding:0;font-size:10px;display:block}.st .sf-sub h3{font-family:var(--font-serif,"Source Serif 4"),serif;margin:8px 0 0;font-size:21px;font-weight:500}.st .sf-sub .amt{font-family:var(--font-serif,"Source Serif 4"),serif;color:var(--feat-ink);margin:12px 0 4px;font-size:38px;line-height:1}.st .sf-sub .amt span{color:color-mix(in oklab,var(--feat-ink) 60%,transparent);font-size:.4em;font-family:var(--font-sans,"Inter")}.st .sf-sub p{color:color-mix(in oklab,var(--feat-ink) 74%,transparent);margin:0 0 18px;font-size:13px;line-height:1.5}.st .sf-sub .sf-btn{background:var(--feat-ink);color:var(--feat-bg);font-family:var(--font-sans,"Inter");cursor:pointer;border:0;border-radius:11px;align-self:flex-start;align-items:center;gap:8px;padding:13px 22px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.st .sysfoot .sf-bottom{padding-top:34px;padding-bottom:74px}.st .sf-bottom{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-top:50px;display:flex}.st .sf-brand{font-family:var(--font-serif,"Source Serif 4"),serif;color:var(--ink);align-items:center;gap:9px;font-size:15px;font-weight:600;display:flex}.st .sf-brand svg{width:20px;height:20px;color:var(--accent)}.st .sf-links{flex-wrap:wrap;gap:20px;display:flex}.st .sf-links a{color:var(--ink-3);font-size:12.5px;text-decoration:none}.st .sf-copy{font-family:var(--font-mono,"JetBrains Mono"),monospace;letter-spacing:.04em;color:var(--ink-4);font-size:11px}@media (max-width:1080px){.st .stwrap{grid-template-columns:1fr;gap:0;padding-top:40px}.st .route{z-index:70;border-bottom:0;border-radius:20px 20px 0 0;max-height:76vh;transition:transform .32s cubic-bezier(.3,.8,.3,1);position:fixed;inset:auto 0 0;transform:translateY(calc(100% - 72px));box-shadow:0 -16px 40px -20px #0006}.st .route.open{transform:translateY(0)}.st .route .rhead{cursor:pointer;position:relative}.st .route .rhandle{background:var(--rule-strong);border-radius:3px;width:36px;height:4px;display:block;position:absolute;top:8px;left:50%;transform:translate(-50%)}.st .rchevron{border:1px solid var(--rule-strong);width:30px;height:30px;color:var(--ink-2);background:var(--bg);border-radius:50%;justify-content:center;align-items:center;transition:transform .3s;display:flex;position:absolute;top:16px;right:20px}.st .route.open .rchevron{transform:rotate(180deg)}.st .rchevron svg{width:18px;height:18px}.st .rbadge{background:var(--accent);color:#fff;min-width:24px;height:24px;font-family:var(--font-mono,"JetBrains Mono"),monospace;border-radius:13px;justify-content:center;align-items:center;padding:0 7px;font-size:12px;font-weight:500;line-height:1;display:none;position:absolute;top:18px;right:58px}.st .rbadge.show{display:flex}.st .route .rhead .t{padding-right:96px}.st .catalog{padding-bottom:90px}.st .tiers{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}.st .herogrid{grid-template-columns:1fr;gap:24px}.st .hg-right{order:1}.st .hg-media{order:0}.st .sf-grid{grid-template-columns:1fr;gap:30px}.st .sf-bottom{flex-direction:column;align-items:flex-start;gap:16px}}@media (max-width:680px){.st .stnav .lk{display:none}.st .stnav .r,.st .sthero,.st .stwrap,.st .pricing,.st .ladder,.st .sysfoot .sf-wrap{padding-left:22px;padding-right:22px}.st .qgrid{grid-template-columns:1fr 1fr}.st .lstep{grid-template-columns:1fr;gap:4px}.st .sthero h1{white-space:normal;font-size:clamp(32px,9vw,46px)}}@media (max-width:480px){.st .qgrid{grid-template-columns:1fr}}@media (max-width:500px){.st .stnav .r{flex-wrap:wrap;row-gap:8px;height:auto;min-height:64px;padding-top:10px;padding-bottom:10px}.st .stnav .right{flex-wrap:wrap;flex-basis:100%;justify-content:flex-end;row-gap:8px;margin-left:0}}