.qv-guides-embed.qv-guide-page--why-not-langchain{--bg:#05070B;--card-bg:#0D1117;--text-1:rgba(255,255,255,0.97);--text-2:rgba(255,255,255,0.72);--text-3:rgba(255,255,255,0.45);--text-4:rgba(255,255,255,0.28);--line:rgba(255,255,255,0.08);--grad:linear-gradient(135deg,#7C3AED,#06B6D4);--green:#10B981;--red:#ef4444;--radius:12px}
.qv-guides-embed.qv-guide-page--why-not-langchain *,
.qv-guides-embed.qv-guide-page--why-not-langchain *::before,
.qv-guides-embed.qv-guide-page--why-not-langchain *::after{box-sizing:border-box;margin:0;padding:0}
.qv-guides-embed.qv-guide-page--why-not-langchain a{color:#06B6D4;text-decoration:none;transition:color .15s}
.qv-guides-embed.qv-guide-page--why-not-langchain a:hover{color:#22d3ee}
.qv-guides-embed.qv-guide-page--why-not-langchain .active{color:#06B6D4;border-color:rgba(6,182,212,0.30);background:rgba(6,182,212,0.08)}
.qv-guides-embed.qv-guide-page--why-not-langchain section{padding:80px 0}
.qv-guides-embed.qv-guide-page--why-not-langchain .container-sm{max-width:860px;margin:0 auto;padding:0 24px}
.qv-guides-embed.qv-guide-page--why-not-langchain h1,
.qv-guides-embed.qv-guide-page--why-not-langchain h2,
.qv-guides-embed.qv-guide-page--why-not-langchain h3{color:var(--text-1);line-height:1.2}
.qv-guides-embed.qv-guide-page--why-not-langchain h1{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:700;letter-spacing:-0.02em}
.qv-guides-embed.qv-guide-page--why-not-langchain h2{font-size:clamp(1.2rem,2.2vw,1.6rem);font-weight:700;margin-bottom:1rem}
.qv-guides-embed.qv-guide-page--why-not-langchain h3{font-size:1rem;font-weight:600}
.qv-guides-embed.qv-guide-page--why-not-langchain p{color:var(--text-2);font-size:.9rem;line-height:1.7;margin-bottom:1rem}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn{display:inline-flex;align-items:center;padding:12px 28px;border-radius:999px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .15s;text-decoration:none;gap:6px}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-primary{background:var(--grad);color:#fff!important;box-shadow:0 8px 28px rgba(124,58,237,0.3)}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-primary:hover{opacity:0.92;color:#fff!important;transform:translateY(-1px)}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-outline{border:1px solid rgba(255,255,255,0.16);color:var(--text-1)!important;background:transparent}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-outline:hover{background:rgba(255,255,255,0.04)}
.qv-guides-embed.qv-guide-page--why-not-langchain .hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.5rem}
.qv-guides-embed.qv-guide-page--why-not-langchain .quote-box{position:relative;background:rgba(124,58,237,0.06);border:1px solid rgba(124,58,237,0.12);border-radius:var(--radius);padding:24px 28px;margin:2rem 0;text-align:center;overflow:hidden}
.qv-guides-embed.qv-guide-page--why-not-langchain .quote-box::before{content:"\"";position:absolute;top:-20px;left:16px;font-size:120px;color:rgba(124,58,237,0.12);font-family:Georgia,serif;line-height:1}
.qv-guides-embed.qv-guide-page--why-not-langchain .quote-box p{font-size:.95rem;color:var(--text-2);font-style:italic;margin:0;position:relative;z-index:1}
.qv-guides-embed.qv-guide-page--why-not-langchain .grid-3{display:grid;gap:16px}
@media (min-width:640px){
.qv-guides-embed.qv-guide-page--why-not-langchain .grid-3{grid-template-columns:1fr 1fr}}
@media (min-width:768px){
.qv-guides-embed.qv-guide-page--why-not-langchain .grid-3{grid-template-columns:1fr 1fr 1fr}}
.qv-guides-embed.qv-guide-page--why-not-langchain .card{background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.qv-guides-embed.qv-guide-page--why-not-langchain .card h3{font-size:.9rem;margin-bottom:8px}
.qv-guides-embed.qv-guide-page--why-not-langchain .card p{font-size:.8rem;color:var(--text-3);line-height:1.5;margin:0}
.qv-guides-embed.qv-guide-page--why-not-langchain .card-icon{font-size:1.4rem;margin-bottom:10px}
.qv-guides-embed.qv-guide-page--why-not-langchain .issue-card{border-left:3px solid rgba(239,68,68,0.4);border-radius:0 var(--radius) var(--radius) 0;background:var(--card-bg);border-right:1px solid var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 20px;margin-bottom:12px}
.qv-guides-embed.qv-guide-page--why-not-langchain .issue-card h3{font-size:.9rem;margin-bottom:4px}
.qv-guides-embed.qv-guide-page--why-not-langchain .issue-card p{font-size:.8rem;color:var(--text-3);line-height:1.5;margin:0}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal{background:#0F1117;border:1px solid rgba(255,255,255,0.06);border-radius:8px;overflow:hidden;margin:12px 0;position:relative}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-header{display:flex;align-items:center;gap:6px;padding:8px 12px;background:rgba(255,255,255,0.02);border-bottom:1px solid rgba(255,255,255,0.04)}
.qv-guides-embed.qv-guide-page--why-not-langchain .tdot{width:10px;height:10px;border-radius:50%}
.qv-guides-embed.qv-guide-page--why-not-langchain .tdot-r{background:var(--red)}
.qv-guides-embed.qv-guide-page--why-not-langchain .tdot-y{background:#fbbf24}
.qv-guides-embed.qv-guide-page--why-not-langchain .tdot-g{background:var(--green)}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-label{font-size:.65rem;color:var(--text-4);font-family:monospace;margin-left:8px}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-body{padding:10px 14px;font-family:"SF Mono","Fira Code",Consolas,monospace;font-size:.7rem;line-height:1.7;overflow-x:auto;white-space:pre;color:#D1D5DB}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-body .cm{color:#6B7280}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-body .kw{color:#F87171}
.qv-guides-embed.qv-guide-page--why-not-langchain .terminal-body .fn{color:#10B981}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer{text-align:center;padding:18px 24px;border-radius:8px;margin:4px 0}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-top{background:rgba(255,255,255,0.03);border:1px solid var(--line)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-fw{border:2px solid rgba(124,58,237,0.4);background:rgba(124,58,237,0.06)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-qv{background:var(--grad);color:#fff;padding:22px}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-qv h3{color:#fff}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-qv p{color:rgba(255,255,255,0.7)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-bot{background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.04)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-name{font-weight:700;font-size:.9rem;margin-bottom:2px}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-desc{font-size:.72rem;color:var(--text-3)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-qv .layer-desc{color:rgba(255,255,255,0.7)}
.qv-guides-embed.qv-guide-page--why-not-langchain .layer-divider{text-align:center;padding:8px 0;font-size:.72rem;color:var(--text-4)}
.qv-guides-embed.qv-guide-page--why-not-langchain .table-wrap{overflow-x:auto;margin:1.5rem 0}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table{width:100%;border-collapse:collapse;font-size:.82rem;min-width:550px}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table thead th{text-align:left;padding:10px 14px;font-weight:600;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--line);color:#C084FC;background:rgba(124,58,237,0.1)}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table tbody td{padding:10px 14px;border-bottom:1px solid rgba(255,255,255,0.04);color:var(--text-2)}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table tbody tr:nth-child(odd) td{background:rgba(255,255,255,0.02)}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table tbody td:first-child{font-weight:600;color:var(--text-1)}
.qv-guides-embed.qv-guide-page--why-not-langchain .comp-table .g{color:var(--green)}
.qv-guides-embed.qv-guide-page--why-not-langchain .faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.qv-guides-embed.qv-guide-page--why-not-langchain .faq-q{font-weight:600;font-size:.9rem;color:var(--text-1);cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:8px}
.qv-guides-embed.qv-guide-page--why-not-langchain .faq-q::before{content:"▸";color:#06B6D4;font-size:.7rem;margin-top:2px;flex-shrink:0;transition:transform .15s}
.qv-guides-embed.qv-guide-page--why-not-langchain details[open] .faq-q::before{transform:rotate(90deg)}
.qv-guides-embed.qv-guide-page--why-not-langchain .faq-a{font-size:.82rem;color:var(--text-2);margin-top:10px;margin-left:22px;line-height:1.65}
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer{background:linear-gradient(135deg,rgba(124,58,237,0.1),rgba(6,182,212,0.06));border:1px solid rgba(124,58,237,0.15);border-radius:var(--radius);padding:48px 32px;text-align:center;margin-top:3rem}
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer h2{font-size:1.5rem;margin-bottom:8px}
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer p{color:var(--text-2);max-width:480px;margin:0 auto 1.5rem}
.qv-guides-embed.qv-guide-page--why-not-langchain img.inline-img{max-width:100%;height:auto;border-radius:8px;margin:24px auto;display:block;border:1px solid rgba(255,255,255,0.06)}
.qv-guides-embed.qv-guide-page--why-not-langchain{--qv-bg:#05070B;--qv-panel:#0A0E16;--qv-panel2:#101622;--qv-line:rgba(255,255,255,.08);--qv-line2:rgba(255,255,255,.14);--qv-text1:rgba(255,255,255,.97);--qv-text2:rgba(255,255,255,.72);--qv-text3:rgba(255,255,255,.48);--qv-cyan:#34E3F4;--qv-blue:#1E6BFF;--qv-green:#67D89A;--qv-amber:#FFC24B;--qv-gradient:linear-gradient(135deg,#E8FDFF 0%,#BFF8FF 12%,#34E3F4 32%,#25B8FF 58%,#1E6BFF 82%,#2F43FF 100%);--qv-shadow:0 14px 34px rgba(30,107,255,.22),0 0 26px rgba(52,227,244,.10)}
.qv-guides-embed.qv-guide-page--why-not-langchain h1{color:#fff!important;font-size:clamp(2.4rem,5vw,4.8rem)!important;line-height:1.02!important;letter-spacing:-.045em!important}
.qv-guides-embed.qv-guide-page--why-not-langchain h2{color:#fff!important;letter-spacing:-.025em!important}
.qv-guides-embed.qv-guide-page--why-not-langchain h3{color:#fff!important}
.qv-guides-embed.qv-guide-page--why-not-langchain p{color:rgba(255,255,255,.66)!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-primary{background:var(--qv-gradient)!important;color:#fff!important;border-radius:999px!important;box-shadow:var(--qv-shadow)!important;font-weight:500!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-outline{border:1px solid rgba(255,255,255,.14)!important;background:rgba(255,255,255,.035)!important;color:#fff!important;border-radius:999px!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .card{background:rgba(255,255,255,.035)!important;border:1px solid rgba(255,255,255,.08)!important;border-radius:16px!important;box-shadow:none!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .card:hover{border-color:rgba(52,227,244,.18)!important;box-shadow:0 0 20px rgba(52,227,244,.06),0 0 40px rgba(37,184,255,.04)!important}
.qv-guides-embed.qv-guide-page--why-not-langchain img.inline-img{border-radius:18px!important;border:1px solid rgba(255,255,255,.10)!important;background:#080C14!important;box-shadow:0 24px 58px rgba(0,0,0,.28)!important}
.qv-guides-embed.qv-guide-page--why-not-langchain img.inline-img,
.qv-guides-embed.qv-guide-page--why-not-langchain .inline-img{display:block!important;
  width:100%!important;
  max-width:920px!important;
  aspect-ratio:16/9!important;
  height:auto!important;
  max-height:520px!important;
  object-fit:cover!important;
  object-position:center!important;
  margin:28px auto!important;
  border-radius:18px!important;
  border:1px solid rgba(255,255,255,.10)!important;
  background:#080C14!important;
  box-shadow:0 24px 58px rgba(0,0,0,.28)!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer .btn-primary,
.qv-guides-embed.qv-guide-page--why-not-langchain .hero-btns .btn-primary,
.qv-guides-embed.qv-guide-page--why-not-langchain a.btn-primary{color:#fff!important;
  background:linear-gradient(135deg,#9AECFF 0%,#2BA8FF 48%,#3D5AFE 100%)!important;
  border:0!important;
  text-decoration:none!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer .btn-outline,
.qv-guides-embed.qv-guide-page--why-not-langchain .hero-btns .btn-outline,
.qv-guides-embed.qv-guide-page--why-not-langchain a.btn-outline{color:#fff!important;
  background:rgba(255,255,255,.035)!important;
  border:1px solid rgba(255,255,255,.16)!important;
  text-decoration:none!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain{--qv-shell-bg:#05070b;--qv-shell-panel:#0a0e16;--qv-shell-line:rgba(255,255,255,.08);--qv-shell-text1:rgba(255,255,255,.97);--qv-shell-text2:rgba(255,255,255,.74);--qv-shell-text3:rgba(255,255,255,.48);--qv-shell-text4:rgba(255,255,255,.36);--qv-shell-control:rgba(255,255,255,.04);--qv-shell-font:"Plus Jakarta Sans","Plus Jakarta Sans Fallback",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--qv-shell-gradient:linear-gradient(135deg,#e8fdff 0%,#bff8ff 12%,#34e3f4 32%,#25b8ff 58%,#1e6bff 82%,#2f43ff 100%)}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-en .en{display:inline}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-zh .zh{display:inline}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-en .en{display:block!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-en .zh{display:none!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-zh .en{display:none!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-lang-zh .zh{display:block!important}
@media (max-width:1279px){
.qv-guides-embed.qv-guide-page--why-not-langchain .open{display:block}}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb{padding-top:124px}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-inner{max-width:988px;min-height:32px;display:flex;align-items:center;gap:8px;color:var(--qv-text-3);font-size:13px;line-height:19.5px;white-space:nowrap;min-width:0}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-back{width:32px;height:32px;flex:0 0 32px;display:inline-flex;align-items:center;justify-content:center;margin-right:4px;border:1px solid rgba(255,255,255,.08);border-radius:12px;background:rgba(255,255,255,.04);color:var(--qv-text-2);transition:color 160ms ease}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-back svg{display:block;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb a:not(.qv-breadcrumb-back){flex:0 0 auto;color:var(--qv-text-3);transition:color 160ms ease}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb a:not(.qv-breadcrumb-back):hover{color:var(--qv-text-1)}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-separator{flex:0 0 auto;color:var(--qv-text-4)}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-current{min-width:0;overflow:hidden;text-overflow:ellipsis;color:var(--qv-text-2)}
@media (max-width:1040px){
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb{padding-top:101px}}
@media (max-width:700px){
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-inner{font-size:13px}}
.qv-guides-embed.qv-guide-page--why-not-langchain{--qv-text-1:rgba(255,255,255,.97);
  --qv-text-2:rgba(255,255,255,.74);
  --qv-text-3:rgba(255,255,255,.48);
  --qv-text-4:rgba(255,255,255,.36);}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb{padding-top:34px!important;background:transparent!important;border:0!important;box-shadow:none!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-breadcrumb-inner{max-width:1180px!important}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-editorial-visual{background:transparent!important;border:0!important;border-radius:0!important;
  box-shadow:none!important;padding:0!important;overflow:visible!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-editorial-image{display:block!important;width:100%!important;height:auto!important;
  max-width:100%!important;object-fit:contain!important;border:0!important;
  border-radius:0!important;box-shadow:none!important;background:transparent!important;}
@media (max-width:720px){
.qv-guides-embed.qv-guide-page--why-not-langchain *,
.qv-guides-embed.qv-guide-page--why-not-langchain *::before,
.qv-guides-embed.qv-guide-page--why-not-langchain *::after{box-sizing:border-box}
.qv-guides-embed.qv-guide-page--why-not-langchain main,
.qv-guides-embed.qv-guide-page--why-not-langchain article{min-width:0;max-width:100%}
.qv-guides-embed.qv-guide-page--why-not-langchain main table{display:block;width:100%;max-width:100%;overflow-x:auto}}
.qv-guides-embed.qv-guide-page--why-not-langchain nav.qv-breadcrumb .qv-breadcrumb-inner{flex-wrap: nowrap !important;}
.qv-guides-embed.qv-guide-page--why-not-langchain nav.qv-breadcrumb .qv-breadcrumb-current{min-width: 0 !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;}
@media (max-width: 700px){
.qv-guides-embed.qv-guide-page--why-not-langchain main .table-wrap{width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;}
.qv-guides-embed.qv-guide-page--why-not-langchain main table{display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;}
.qv-guides-embed.qv-guide-page--why-not-langchain main pre,
.qv-guides-embed.qv-guide-page--why-not-langchain main .terminal,
.qv-guides-embed.qv-guide-page--why-not-langchain main .terminal-body{width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;}}
.qv-guides-embed.qv-guide-page--why-not-langchain main section a[href^="http"]:not(.btn){color:#25b8ff}
.qv-guides-embed.qv-guide-page--why-not-langchain main section a[href^="http"]:not(.btn):hover{color:#34e3f4}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn,
.qv-guides-embed.qv-guide-page--why-not-langchain .btn-outline,
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer .btn,
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer .btn-outline{color:#fff!important;
  background:rgba(5,7,11,.84)!important;
  border:1px solid rgba(255,255,255,.22)!important;
  box-shadow:0 12px 32px rgba(0,0,0,.26)!important;
  text-shadow:none!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain .btn:first-of-type,
.qv-guides-embed.qv-guide-page--why-not-langchain .cta-footer .btn:first-of-type{background:linear-gradient(135deg,#9AECFF 0%,#2BA8FF 50%,#3D5AFE 100%)!important;
  border:0!important;
  color:#fff!important;}
.qv-guides-embed.qv-guide-page--why-not-langchain .inline-img{max-width:100%!important;
  height:auto!important;
  object-fit:contain!important;}

/* Page audit 369: preserve the framework-versus-infrastructure table on mobile. */
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-table-wrap{
  width:100%!important;
  max-width:100%!important;
  overflow-x:auto!important;
  -webkit-overflow-scrolling:touch;
}
.qv-guides-embed.qv-guide-page--why-not-langchain .qv-table-wrap .qv-table{
  display:table!important;
  width:100%!important;
  max-width:none!important;
  table-layout:auto!important;
}
@media(max-width:700px){
  .qv-guides-embed.qv-guide-page--why-not-langchain .qv-table-wrap .qv-table{
    width:680px!important;
    min-width:680px!important;
  }
  .qv-guides-embed.qv-guide-page--why-not-langchain .qv-table-wrap :is(th,td){
    word-break:normal!important;
    overflow-wrap:normal!important;
    white-space:normal!important;
  }}
