.qv-guide-page--free-websocket-stock-api{
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  --qv-bg-2: #08111C;
  --qv-panel: rgba(10, 14, 22, 0.88);
  --qv-floating-panel: #0A0E16;
  --qv-control-bg: rgba(255, 255, 255, 0.04);
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.qv-guide-page--free-websocket-stock-api{
  scroll-behavior: smooth;
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}
.qv-guide-page--free-websocket-stock-api ::-webkit-scrollbar{ width: 10px; height: 10px; }
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  border: 2px solid #05070B;
}
.qv-guide-page--free-websocket-stock-api ::-webkit-scrollbar-thumb:hover{ background: rgba(255,255,255,0.42); }
.qv-guide-page--free-websocket-stock-api{
  margin: 0;
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}
.qv-guide-page--free-websocket-stock-api a{ color: inherit; text-decoration: none; }
.qv-guide-page--free-websocket-stock-api .page-shell{
  min-height: 100vh;
  background:
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}
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  content: "";
  position: fixed;
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  pointer-events: none;
  opacity: 0.022;
  z-index: 20;
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}
.qv-guide-page--free-websocket-stock-api .qv-container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb{
  padding-top: 124px;
}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-inner{
  max-width: 988px;
  min-height: 32px;
  display: flex;
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  gap: 8px;
  color: var(--qv-text-3);
  font-size: 13px;
  line-height: 19.5px;
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}
.qv-guide-page--free-websocket-stock-api .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, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--qv-text-2);
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}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-back svg{
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  fill: none;
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  stroke-linecap: round;
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}
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  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
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  clip: rect(0, 0, 0, 0);
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}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb a:not(.qv-breadcrumb-back){
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  color: var(--qv-text-3);
  transition: color 160ms ease;
}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb a:not(.qv-breadcrumb-back):hover{ color: var(--qv-text-1); }
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-separator{
  flex: 0 0 auto;
  color: var(--qv-text-4);
}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-current{
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  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--qv-text-2);
}
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  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 77px;
  line-height: 24px;
  background: rgba(5, 7, 11, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  filter: saturate(1.15);
  transition: background-color 180ms ease, border-color 180ms ease;
}
.qv-guide-page--free-websocket-stock-api .qv-nav.is-scrolled{
  background: rgba(5, 7, 11, 0.68);
}
.qv-guide-page--free-websocket-stock-api .qv-nav-inner{
  height: 76px;
  max-width: 1536px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  transform: none;
}
.qv-guide-page--free-websocket-stock-api .brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: 87.9px;
  flex: 0 0 87.9px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 0;
  color: var(--qv-text-1);
  white-space: nowrap;
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}
.qv-guide-page--free-websocket-stock-api .brand > span:not(.brand-logo){
  display: block;
  font-size: 15px;
  font-weight: 650;
  line-height: 18.75px;
  letter-spacing: -0.03em;
  color: var(--qv-text-1);
  text-rendering: optimizeLegibility;
}
.qv-guide-page--free-websocket-stock-api .brand-logo{
  position: relative;
  display: block;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  overflow: hidden;
  filter: drop-shadow(0 0 12px rgba(37, 184, 255, 0.18));
}
.qv-guide-page--free-websocket-stock-api .brand-logo img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: transparent;
  object-fit: contain;
  filter: none;
}
.qv-guide-page--free-websocket-stock-api .nav-links{
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
  font-weight: 400;
  line-height: 18.75px;
  height: 20.75px;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}
.qv-guide-page--free-websocket-stock-api .nav-item{
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 20.75px;
  line-height: 18.75px;
}
.qv-guide-page--free-websocket-stock-api .nav-link{
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-sizing: border-box;
  height: 20.75px;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  font: inherit;
  line-height: 18.75px;
  cursor: pointer;
  transition: color 0.18s var(--qv-ease);
}
.qv-guide-page--free-websocket-stock-api .nav-item > button.nav-link,.qv-guide-page--free-websocket-stock-api .lang-toggle,.qv-guide-page--free-websocket-stock-api .signin-btn,.qv-guide-page--free-websocket-stock-api .nav-actions .qv-btn,.qv-guide-page--free-websocket-stock-api .mobile-nav-toggle{ text-rendering: auto; }
.qv-guide-page--free-websocket-stock-api .nav-links > a.nav-link{ text-rendering: optimizeLegibility; }
.qv-guide-page--free-websocket-stock-api .nav-links .nav-item:nth-child(1) > .nav-link{ width: 72.05px; }
.qv-guide-page--free-websocket-stock-api .nav-links .nav-item:nth-child(2) > .nav-link{ width: 45.36px; }
.qv-guide-page--free-websocket-stock-api .nav-links .nav-item:nth-child(3) > .nav-link{ width: 100.24px; }
.qv-guide-page--free-websocket-stock-api .nav-links .nav-item:nth-child(4) > .nav-link{ width: 97.54px; }
.qv-guide-page--free-websocket-stock-api .nav-links > a[href="/skills"]{ width: 60.41px; }
.qv-guide-page--free-websocket-stock-api .nav-links > a[href="/guides"]{ width: 51.21px; }
.qv-guide-page--free-websocket-stock-api .nav-links > a[href="/pricing"]{ width: 49.11px; }
.qv-guide-page--free-websocket-stock-api .nav-links > a[href="/docs"]{ width: 37.6px; }
.qv-guide-page--free-websocket-stock-api .nav-link:hover,.qv-guide-page--free-websocket-stock-api .nav-item.open .nav-link{ color: var(--qv-text-1); }
.qv-guide-page--free-websocket-stock-api .chev-icon{
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  top: -0.8px;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  opacity: 0.72;
}
.qv-guide-page--free-websocket-stock-api .dropdown{
  position: absolute;
  top: 60px;
  left: -18px;
  width: 276px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--qv-radius-md);
  background: #0A0E16;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
  display: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.18s var(--qv-ease), transform 0.18s var(--qv-ease), visibility 0.18s var(--qv-ease);
}
.qv-guide-page--free-websocket-stock-api .nav-item.open .dropdown{
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  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
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  color: var(--qv-text-2);
  font-size: 14px;
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}
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  background: var(--qv-control-hover-bg);
}
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  display: flex;
  align-items: center;
  gap: 10px;
}
.qv-guide-page--free-websocket-stock-api .lang-toggle{
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  width: 56.8125px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 8px;
  border: 1px solid var(--qv-line);
  background: transparent;
  color: var(--qv-text-3);
  font: 500 12.5px/1.5 var(--qv-font-sans);
  cursor: pointer;
}
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  height: 44.25px;
  width: 78.96875px;
  padding: 11px 18px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--qv-radius-full);
  border: 1px solid rgba(52, 227, 244, 0.12);
  background:
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    rgba(255,255,255,0.016);
  color: var(--qv-text-1);
  font: 600 13.5px/1.5 var(--qv-font-sans);
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}
.qv-guide-page--free-websocket-stock-api .signin-btn .en,.qv-guide-page--free-websocket-stock-api .signin-btn .zh,.qv-guide-page--free-websocket-stock-api .nav-actions .qv-btn .en,.qv-guide-page--free-websocket-stock-api .nav-actions .qv-btn .zh{
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  white-space: nowrap;
}
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  border-color: rgba(52, 227, 244, 0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035)),
    rgba(255,255,255,0.026);
}
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  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
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  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--qv-radius-full);
  padding: 11px 19px;
  font-family: var(--qv-font-sans);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.015em;
  transition: transform 0.2s var(--qv-ease), filter 0.2s var(--qv-ease), border-color 0.2s var(--qv-ease);
  cursor: pointer;
  white-space: nowrap;
  border: none;
}
.qv-guide-page--free-websocket-stock-api .qv-btn:hover{ transform: translateY(-1px); }
.qv-guide-page--free-websocket-stock-api .qv-btn-primary{
  color: #fff;
  background: var(--qv-primary-gradient);
  box-shadow: var(--qv-primary-shadow);
  text-shadow: 0 1px 3px rgba(0, 20, 60, 0.4);
}
.qv-guide-page--free-websocket-stock-api .qv-btn-primary:hover{ filter: brightness(1.06); }
.qv-guide-page--free-websocket-stock-api .nav-actions .qv-btn{
  height: 42.25px;
  width: 110.45px;
  padding: 11px 18px;
  box-sizing: border-box;
}
.qv-guide-page--free-websocket-stock-api .qv-btn-secondary{
  color: var(--qv-text-1);
  border: 1px solid rgba(52, 227, 244, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)), rgba(255, 255, 255, 0.015);
}
.qv-guide-page--free-websocket-stock-api .hero{
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  display: block;
  text-align: center;
}
.qv-guide-page--free-websocket-stock-api .qv-eyebrow{
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  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-family: var(--qv-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--qv-brand-aqua);
}
.qv-guide-page--free-websocket-stock-api .qv-eyebrow::before{
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, var(--qv-brand-aqua), transparent);
}
.qv-guide-page--free-websocket-stock-api .hero h1{
  margin: 0 auto 24px;
  max-width: 820px;
  color: var(--qv-text-1);
  font-size: 56px;
  font-weight: 350;
  line-height: 59.36px;
  letter-spacing: -3.08px;
}
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  color: var(--qv-text-1);
  background: linear-gradient(135deg, #34e3f4 0%, #25b8ff 30%, #1e6bff 62%, #2f43ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.qv-guide-page--free-websocket-stock-api .lead{
  margin: 0 auto;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 17px;
  font-weight: 350;
  line-height: 29.75px;
  letter-spacing: normal;
}
.qv-guide-page--free-websocket-stock-api .hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 22px;
}
.qv-guide-page--free-websocket-stock-api .hero-actions .qv-btn{
  font-size: 14.5px;
  line-height: 21.75px;
  letter-spacing: -0.2175px;
}
.qv-guide-page--free-websocket-stock-api .hero-card{
  border-radius: 0;
  border: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
}
.qv-guide-page--free-websocket-stock-api .hero-card img{
  width: 100%;
  display: block;
  border-radius: 0;
  border: 0;
}
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  gap: 40px;
  align-items: start;
  padding-top: 10px;
  padding-bottom: 42px;
}
.qv-guide-page--free-websocket-stock-api .article-main{ min-width: 0; }
.qv-guide-page--free-websocket-stock-api .article-main > .qv-container{
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}
.qv-guide-page--free-websocket-stock-api .article-visual{
  min-width: 0;
}
.qv-guide-page--free-websocket-stock-api .diagram-image{
  display: block;
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  border: 0;
  border-radius: 22px;
  box-shadow: none;
}
.qv-guide-page--free-websocket-stock-api .page-toc{
  position: sticky;
  top: 106px;
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}
.qv-guide-page--free-websocket-stock-api .page-toc-mobile{ display: none; }
.qv-guide-page--free-websocket-stock-api .page-toc-title{
  margin: 0 0 14px;
  color: var(--qv-text-4);
  font-family: var(--qv-font-mono);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.qv-guide-page--free-websocket-stock-api .page-toc-links{
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  gap: 2px;
}
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  display: block;
  padding: 7px 0;
  color: var(--qv-text-3);
  font-size: 13.5px;
  line-height: 20px;
  transition: color 160ms ease;
}
.qv-guide-page--free-websocket-stock-api .page-toc a:hover,.qv-guide-page--free-websocket-stock-api .page-toc a.is-active{
  color: var(--qv-text-1);
}
.qv-guide-page--free-websocket-stock-api .section[id]{
  scroll-margin-top: 96px;
}
.qv-guide-page--free-websocket-stock-api .section{
  padding: 78px 0;
  border-top: 1px solid var(--qv-line);
}
.qv-guide-page--free-websocket-stock-api .section h2{
  margin: 0 0 18px;
  max-width: 820px;
  color: var(--qv-text-1);
  font-size: 42px;
  font-weight: 400;
  line-height: 47.04px;
  letter-spacing: -1.89px;
}
.qv-guide-page--free-websocket-stock-api .section p{
  margin: 0 0 16px;
  color: var(--qv-text-2);
  font-size: 16px;
  font-weight: 350;
  line-height: 28px;
  letter-spacing: -0.24px;
}
.qv-guide-page--free-websocket-stock-api .cards{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.qv-guide-page--free-websocket-stock-api .card{
  border: 1px solid var(--qv-line);
  border-radius: var(--qv-radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  padding: 24px;
}
.qv-guide-page--free-websocket-stock-api .card-title{
  color: var(--qv-text-1);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.qv-guide-page--free-websocket-stock-api .guide-stack{ display: grid; gap: 14px; margin-top: 28px; }
.qv-guide-page--free-websocket-stock-api .guide-item{
  border-left: 2px solid var(--qv-brand-aqua);
  border-radius: 0 var(--qv-radius-md) var(--qv-radius-md) 0;
  background: rgba(255, 255, 255, 0.035);
  padding: 20px 22px;
}
.qv-guide-page--free-websocket-stock-api .guide-title{
  color: var(--qv-text-1);
  font-size: 18px;
  font-weight: 650;
  margin-bottom: 8px;
}
.qv-guide-page--free-websocket-stock-api .compare-wrap{
  overflow-x: auto;
  margin-top: 28px;
  border: 1px solid var(--qv-line);
  border-radius: var(--qv-radius-lg);
}
.qv-guide-page--free-websocket-stock-api .compare{
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}
.qv-guide-page--free-websocket-stock-api .compare th,.qv-guide-page--free-websocket-stock-api .compare td{
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--qv-line);
  color: var(--qv-text-2);
  font-size: 13.5px;
  line-height: 1.65;
}
.qv-guide-page--free-websocket-stock-api .compare th{
  color: var(--qv-brand-aqua);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.035);
}
.qv-guide-page--free-websocket-stock-api .compare tr:last-child td{ border-bottom: 0; }
.qv-guide-page--free-websocket-stock-api .notice{
  margin-top: 28px;
  border: 1px solid rgba(56, 211, 159, 0.22);
  border-radius: var(--qv-radius-lg);
  background: rgba(56, 211, 159, 0.06);
  padding: 24px;
}
.qv-guide-page--free-websocket-stock-api .bullets{
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
}
.qv-guide-page--free-websocket-stock-api .bullets li{
  list-style: none;
  border: 1px solid var(--qv-line);
  border-radius: var(--qv-radius-md);
  background: rgba(255, 255, 255, 0.035);
  padding: 14px 16px;
  color: var(--qv-text-2);
}
.qv-guide-page--free-websocket-stock-api .refs{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.qv-guide-page--free-websocket-stock-api .refs a{
  border: 1px solid var(--qv-line);
  border-radius: var(--qv-radius-full);
  padding: 10px 14px;
  color: var(--qv-text-2);
  font-size: 14px;
}
.qv-guide-page--free-websocket-stock-api .refs a:hover{ color: var(--qv-text-1); }
.qv-guide-page--free-websocket-stock-api .footer{
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
  padding: 52px 0 28px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 16px;
  line-height: 24px;
}
.qv-guide-page--free-websocket-stock-api .footer .qv-container{
  max-width: 1180px;
  padding: 0 24px;
}
.qv-guide-page--free-websocket-stock-api .footer-grid{
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2fr);
  column-gap: 48px;
  row-gap: 40px;
  align-items: start;
  box-sizing: border-box;
  margin-bottom: 48px;
}
.qv-guide-page--free-websocket-stock-api .footer .brand{
  gap: 12px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.74);
  width: auto;
  flex: 0 0 auto;
}
.qv-guide-page--free-websocket-stock-api .footer .brand > span:not(.brand-logo){
  font-size: 15px;
  font-weight: 650;
  line-height: 22.5px;
  letter-spacing: -0.03em;
  color: var(--qv-text-1);
}
.qv-guide-page--free-websocket-stock-api .footer .brand-logo{
  width: 28px;
  height: 28px;
  flex-basis: 28px;
}
.qv-guide-page--free-websocket-stock-api .footer-copy{
  max-width: 320px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0;
  margin: 0 0 20px;
}
.qv-guide-page--free-websocket-stock-api .footer-cta{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}
.qv-guide-page--free-websocket-stock-api .footer-cta .qv-btn{
  min-height: 44.25px;
  height: 44.25px;
  padding: 11px 18px;
  font-size: 13.5px;
  line-height: 20.25px;
}
.qv-guide-page--free-websocket-stock-api .footer-cta .qv-btn-secondary{
  min-width: 81.3px;
  padding: 11px 18px;
}
.qv-guide-page--free-websocket-stock-api .footer-links-grid{
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  column-gap: 24px;
  row-gap: 40px;
}
.qv-guide-page--free-websocket-stock-api .foot-col.company-col{
  grid-column: span 2;
}
.qv-guide-page--free-websocket-stock-api .company-link-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 22px;
}
.qv-guide-page--free-websocket-stock-api .footer-bottom a,.qv-guide-page--free-websocket-stock-api .foot-col a{
  text-decoration: none;
}
.qv-guide-page--free-websocket-stock-api .foot-col h4{
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.97);
  font-size: 12px;
  line-height: 13.2px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.qv-guide-page--free-websocket-stock-api .foot-col a{
  display: block;
  margin: 0;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 20.25px;
}
.qv-guide-page--free-websocket-stock-api .foot-col a{
  white-space: normal;
}
.qv-guide-page--free-websocket-stock-api .footer-links-grid .foot-col:nth-child(3) a{
  white-space: nowrap;
}
.qv-guide-page--free-websocket-stock-api .foot-col a:hover{ color: var(--qv-text-1); }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .footer-en-only{ display: none; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-en-only{ display: none; }
.qv-guide-page--free-websocket-stock-api .footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-top: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--qv-text-4);
  font-size: 12px;
  line-height: 18px;
}
.qv-guide-page--free-websocket-stock-api .footer-bottom-left,.qv-guide-page--free-websocket-stock-api .footer-bottom-right{
  display: inline-flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.qv-guide-page--free-websocket-stock-api .footer-bottom a{
  color: var(--qv-text-4);
}
.qv-guide-page--free-websocket-stock-api .footer-bottom a:hover{
  color: var(--qv-text-2);
}
.qv-guide-page--free-websocket-stock-api .mobile-nav-toggle{
  display: none;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  padding: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(52, 227, 244, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.74);
  cursor: pointer;
  transition: background-color 180ms ease;
}
.qv-guide-page--free-websocket-stock-api .mobile-nav-toggle:hover{ background: rgba(255, 255, 255, 0.08); }
.qv-guide-page--free-websocket-stock-api .mobile-nav-toggle svg{ display: block; width: 18px; height: 14px; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet{
  position: fixed;
  top: 76px;
  right: 28px;
  z-index: 99;
  width: 303px;
  max-height: calc(100vh - 92px);
  padding: 0 16px 18px;
  overflow-y: auto;
  display: none;
  border: 1px solid rgba(52, 227, 244, 0.12);
  border-radius: 0 0 18px 18px;
  background: rgba(5, 7, 11, 0.98);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(18px);
}
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet.open{ display: block; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet a{
  min-height: 57px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.74);
  font-size: 15px;
  line-height: 20px;
}
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet a:hover{ color: #fff; }
.qv-guide-page--free-websocket-stock-api .mobile-lang-toggle{
  width: 100%;
  min-height: 57px;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
  color: rgba(255, 255, 255, 0.74);
  font: inherit;
  font-size: 15px;
  line-height: 20px;
  cursor: pointer;
}
.qv-guide-page--free-websocket-stock-api .mobile-lang-toggle:hover{ color: #fff; }
.qv-guide-page--free-websocket-stock-api .mobile-lang-toggle .globe-icon{ width: 16px; height: 16px; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet .mobile-primary{ font-weight: 500; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet .mobile-start{
  min-height: 42.25px;
  margin-top: 16px;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--qv-primary-gradient);
  box-shadow: var(--qv-primary-shadow);
}
.qv-guide-page--free-websocket-stock-api .zh{ display: none !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="en"] .nav-links .zh{ display: none !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="en"] .nav-links .en{ display: inline !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .en{ display: none !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .zh{ display: initial !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .zh.block{ display: block !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .zh.grid{ display: grid !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .zh.flex{ display: flex !important; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .brand{
  width: 87.6px;
  flex-basis: 87.6px;
}
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links .nav-item:nth-child(1) > .nav-link{ width: 48px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links .nav-item:nth-child(2) > .nav-link{ width: 48px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links .nav-item:nth-child(3) > .nav-link{ width: 63px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links .nav-item:nth-child(4) > .nav-link{ width: 48px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links > a[href="/skills"]{ width: 60px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links > a[href="/guides"],.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links > a[href="/pricing"],.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-links > a[href="/docs"]{ width: 30px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .lang-toggle{
  width: 65px;
  white-space: nowrap;
}
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .signin-btn{ width: 64.59375px; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-actions .qv-btn{ width: 89.203125px; }
.qv-guide-page--free-websocket-stock-api[data-lang="en"] .signin-btn .en,.qv-guide-page--free-websocket-stock-api[data-lang="en"] .nav-actions .qv-btn .en,.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .signin-btn .zh,.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .nav-actions .qv-btn .zh{
  display: inline-flex !important;
}
@media (max-width: 1279px){
.qv-guide-page--free-websocket-stock-api .nav-links{ display: none; }
.qv-guide-page--free-websocket-stock-api .qv-nav-inner{ gap: 10px; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-toggle{ display: flex; }}
@media (max-width: 1040px){
.qv-guide-page--free-websocket-stock-api .qv-nav-inner{ transform: none; }
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb{ padding-top: 101px; }
.qv-guide-page--free-websocket-stock-api .hero{
    padding-top: 32px;
  }
.qv-guide-page--free-websocket-stock-api .article-layout{
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
.qv-guide-page--free-websocket-stock-api .diagram-image{ max-width: 900px; }
.qv-guide-page--free-websocket-stock-api .page-toc{
    position: static;
    padding: 0;
    border-left: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
.qv-guide-page--free-websocket-stock-api .page-toc-desktop{ display: none; }
.qv-guide-page--free-websocket-stock-api .page-toc-mobile{ display: block; }
.qv-guide-page--free-websocket-stock-api .page-toc::-webkit-scrollbar{ display: none; }
.qv-guide-page--free-websocket-stock-api .page-toc-title{ display: none; }
.qv-guide-page--free-websocket-stock-api .page-toc-links{
    display: flex;
    width: max-content;
    gap: 8px;
  }
.qv-guide-page--free-websocket-stock-api .page-toc a{
    padding: 8px 13px;
    border: 1px solid var(--qv-line);
    border-radius: var(--qv-radius-full);
    background: var(--qv-control-bg);
    white-space: nowrap;
  }
.qv-guide-page--free-websocket-stock-api .qv-nav-inner{ padding: 0 24px; }
.qv-guide-page--free-websocket-stock-api .footer-grid{ grid-template-columns: 1fr; }
.qv-guide-page--free-websocket-stock-api .footer-links-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.qv-guide-page--free-websocket-stock-api .footer .qv-container{ padding: 0 24px; }}
@media (max-width: 700px){
.qv-guide-page--free-websocket-stock-api .qv-container,.qv-guide-page--free-websocket-stock-api .qv-nav-inner{ padding: 0 18px; }
.qv-guide-page--free-websocket-stock-api .qv-nav-inner{ gap: 10px; }
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-inner{ font-size: 13px; }
.qv-guide-page--free-websocket-stock-api .desktop-break{ display: none; }
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .hero h1{ max-width: 300px; }
.qv-guide-page--free-websocket-stock-api .mobile-nav-sheet{
    right: 18px;
    width: min(303px, calc(100vw - 36px));
  }
.qv-guide-page--free-websocket-stock-api .hero h1{ font-size: 36px; line-height: 38.16px; letter-spacing: -1.98px; }
.qv-guide-page--free-websocket-stock-api .lead{ font-size: 17px; line-height: 29.75px; }
.qv-guide-page--free-websocket-stock-api .section h2{ font-size: 30px; line-height: 33.6px; letter-spacing: -1.35px; }
.qv-guide-page--free-websocket-stock-api .section{ padding: 64px 0; }
.qv-guide-page--free-websocket-stock-api .cards,.qv-guide-page--free-websocket-stock-api .footer-grid,.qv-guide-page--free-websocket-stock-api .footer-links-grid,.qv-guide-page--free-websocket-stock-api .company-link-grid{ grid-template-columns: 1fr; }}
@media (max-width: 639px){
.qv-guide-page--free-websocket-stock-api .lang-toggle{ display: none; }}
.qv-guide-page--free-websocket-stock-api{overflow-x:clip;color:rgba(255,255,255,.97)}
.qv-guide-page--free-websocket-stock-api[data-lang="en"] .zh{display:none!important}
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .en{display:none!important}
.qv-guide-page--free-websocket-stock-api[data-lang="zh"] .zh.block{display:block!important}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb{padding-top:48px}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-inner{max-width:1180px;min-height:32px;gap:8px;font-size:13px;line-height:19.5px}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-back{width:32px;height:32px;flex:0 0 32px;margin-right:4px;border-radius:12px}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-arrow{width:16px;height:16px;display:block;position:relative;color:rgba(255,255,255,.74)}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-arrow:before{content:"";position:absolute;left:4px;top:4px;width:7px;height:7px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg)}
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb-arrow:after{content:"";position:absolute;left:4px;top:7px;width:9px;border-top:2px solid currentColor}
.qv-guide-page--free-websocket-stock-api .hero{padding-top:34px;padding-bottom:34px;text-align:center}
.qv-guide-page--free-websocket-stock-api .hero h1{width:min(100%,820px);max-width:820px;margin-left:auto;margin-right:auto;font-size:56px;line-height:59.36px;font-weight:350;letter-spacing:-3.08px}
.qv-guide-page--free-websocket-stock-api .hero .lead{width:min(100%,620px);max-width:620px;margin-left:auto;margin-right:auto;font-size:17px;line-height:29.75px;font-weight:350;color:rgba(255,255,255,.74)}
.qv-guide-page--free-websocket-stock-api .hero-actions{justify-content:center;gap:12px;margin-top:22px}
.qv-guide-page--free-websocket-stock-api .hero-actions .qv-btn{min-height:44px;padding:11px 18px;border-radius:999px;font-size:13.5px;color:#fff}
.qv-guide-page--free-websocket-stock-api .article-visual{width:100%;max-width:900px;height:auto;aspect-ratio:900/506;margin-left:0;margin-right:0;overflow:hidden;border-radius:22px}
.qv-guide-page--free-websocket-stock-api .article-visual img{display:block;width:100%;max-width:900px;height:auto;aspect-ratio:900/506;object-fit:contain;border-radius:22px}
.qv-guide-page--free-websocket-stock-api .section{padding:0;margin-top:60px;scroll-margin-top:120px}
.qv-guide-page--free-websocket-stock-api .section h2{font-size:42px;line-height:47.04px;font-weight:400;letter-spacing:-1.89px}
.qv-guide-page--free-websocket-stock-api .section p{font-size:16px;line-height:28px;font-weight:350;letter-spacing:-.24px}
.qv-guide-page--free-websocket-stock-api a.inline-link{color:#25b8ff;text-decoration:none;border:0;background:none}
.qv-guide-page--free-websocket-stock-api .featured-tool{margin-top:28px}
.qv-guide-page--free-websocket-stock-api .featured-tool-label{margin:0 0 12px;font-family:var(--qv-font-mono);font-size:10.5px;line-height:16px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.48)}
.qv-guide-page--free-websocket-stock-api .featured-tool-card{display:block;width:100%;box-sizing:border-box;padding:18px;border:1px solid rgba(52,227,244,.24);border-radius:18px;background:linear-gradient(135deg,rgba(52,227,244,.055),rgba(30,107,255,.035)),rgba(10,14,22,.72);text-decoration:none}
.qv-guide-page--free-websocket-stock-api .featured-tool-card span{display:block}
.qv-guide-page--free-websocket-stock-api .featured-tool-name{font-size:15px;line-height:21px;font-weight:600;color:rgba(255,255,255,.97)}
.qv-guide-page--free-websocket-stock-api .featured-tool-description{margin-top:8px;font-size:13px;line-height:19px;font-weight:350;color:rgba(255,255,255,.58)}
.qv-guide-page--free-websocket-stock-api .featured-tool-action{margin-top:14px;font-size:13px;line-height:19px;font-weight:600;color:#67e8f9}
@media (max-width:1040px){
.qv-guide-page--free-websocket-stock-api .qv-breadcrumb{padding-top:25px}}
@media (max-width:700px){
.qv-guide-page--free-websocket-stock-api .hero h1{font-size:36px;line-height:38.16px;letter-spacing:-1.98px}
.qv-guide-page--free-websocket-stock-api .section h2{font-size:30px;line-height:33.6px;letter-spacing:-1.35px}}