:root{
  --black:#050505;
  --ink:#111111;
  --ink-2:#3d3d3d;
  --ink-3:#727272;
  --white:#ffffff;
  --paper:#f6f6f2;
  --paper-2:#eeeeea;
  --line:#d9d9d2;
  --line-dark:#252525;
  --accent:#b8ff2c;
  --accent-2:#e8ff9c;
  --shadow:0 22px 60px rgba(0,0,0,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:112px;overflow-x:hidden}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{border:0;background:none;cursor:pointer}
.container{width:min(1180px,100%);margin:0 auto;padding:0 18px}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  flex-direction:column;
  gap:14px;
  padding:10px 14px;
  background:rgba(5,5,5,.92);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(16px);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{
  width:38px;
  height:38px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:8px;
  object-fit:cover;
  background:#000;
}
.brand span{display:grid;gap:1px;min-width:0}
.brand b{
  font-size:13px;
  line-height:1.1;
  letter-spacing:.16em;
  font-weight:800;
}
.brand small{
  max-width:78vw;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:rgba(255,255,255,.64);
  font-size:11px;
}
.topbar nav{display:flex;align-items:center;justify-content:space-between;gap:4px;width:100%}
.topbar nav a{
  flex:1;
  border:1px solid transparent;
  border-radius:7px;
  color:rgba(255,255,255,.74);
  font-size:12px;
  font-weight:700;
  padding:7px 8px;
  text-align:center;
}
.topbar nav a:hover{border-color:rgba(255,255,255,.18);color:#fff}
.hero{
  background:
    linear-gradient(110deg,rgba(184,255,44,.12),transparent 34%),
    radial-gradient(circle at 86% 22%,rgba(255,255,255,.14),transparent 26%),
    var(--black);
  color:#fff;
  border-bottom:1px solid #1f1f1f;
}
.hero-grid{
  display:grid;
  gap:20px;
  padding-top:28px;
  padding-bottom:24px;
}
.hero-copy{min-width:0}
.eyebrow{
  color:var(--accent);
  font-size:11px;
  font-weight:900;
  letter-spacing:.18em;
  margin-bottom:10px;
}
.hero h1{
  max-width:820px;
  font-size:clamp(30px,7.6vw,58px);
  line-height:1.02;
  font-weight:900;
  letter-spacing:0;
  overflow-wrap:anywhere;
  word-break:break-all;
}
.lede{
  max-width:760px;
  margin-top:14px;
  color:rgba(255,255,255,.74);
  font-size:15px;
  line-height:1.75;
}
.hero-panel{
  border:1px solid rgba(255,255,255,.14);
  border-radius:8px;
  background:rgba(255,255,255,.055);
  padding:14px;
}
.hero-panel span{
  display:block;
  color:var(--accent);
  font-size:11px;
  font-weight:900;
  letter-spacing:.16em;
  margin-bottom:8px;
}
.hero-panel ol{
  display:grid;
  gap:6px;
  padding-left:19px;
  color:rgba(255,255,255,.78);
  font-size:13px;
  line-height:1.55;
}
.main{padding-top:18px;padding-bottom:44px}
.section-head{margin-bottom:14px}
.section-head span,
.quick-head span,
.ai-head span{
  display:block;
  color:#4d5f00;
  font-size:11px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:4px;
}
.section-head h2,
.quick-head h2{
  font-size:22px;
  line-height:1.22;
  font-weight:900;
}
.section-head p,
.quick-head p{
  max-width:760px;
  color:var(--ink-3);
  font-size:13px;
  line-height:1.65;
  margin-top:5px;
}
.quick-access,
.tool-section,
.ai-panel,
.summary,
.taxonomy{
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(255,255,255,.76);
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset;
}
.quick-access{padding:15px;margin-bottom:16px}
.quick-head{
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  flex-direction:column;
  gap:14px;
  margin-bottom:12px;
}
.quick-head b{
  flex:none;
  align-self:flex-start;
  border:1px solid #cbd49b;
  border-radius:999px;
  background:var(--accent-2);
  color:#293400;
  font-size:11px;
  font-weight:900;
  padding:5px 8px;
}
.quick-grid{display:grid;grid-template-columns:1fr;gap:9px}
.quick-item{
  display:grid;
  gap:8px;
  min-height:150px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:12px;
}
.quick-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.quick-meta strong,
.index-source{
  display:inline-grid;
  place-items:center;
  border-radius:999px;
  background:var(--black);
  color:#fff;
  font-size:11px;
  font-weight:900;
  padding:3px 8px;
}
.quick-meta span,
.qa-meta-top span,
.meta span{
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper);
  color:var(--ink-3);
  font-size:11px;
  line-height:1.2;
  padding:4px 8px;
}
.quick-item h3{font-size:16px;line-height:1.28;font-weight:900}
.quick-item p,
.quick-item ol{
  color:var(--ink-2);
  font-size:13px;
  line-height:1.58;
}
.quick-item ol{padding-left:18px}
.quick-action{
  align-self:end;
  justify-self:start;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:36px;
  border-radius:7px;
  background:var(--black);
  color:#fff;
  font-size:13px;
  font-weight:900;
  padding:8px 12px;
}
.quick-action:hover{background:#242424}
.quick-action-muted{
  background:transparent;
  color:var(--ink-3);
  border:1px dashed var(--line);
}
.tool-section{padding:15px;margin-bottom:16px}
.tool-grid{display:grid;grid-template-columns:1fr;gap:10px}
.tool-card{
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:14px;
}
.tool-kicker{
  width:max-content;
  border-radius:999px;
  background:var(--black);
  color:#fff;
  font-size:11px;
  font-weight:900;
  padding:4px 9px;
}
.tool-card h3{font-size:18px;line-height:1.32;margin:10px 0 12px;font-weight:900}
.placeholder-form{display:grid;gap:10px}
.placeholder-form label{
  display:grid;
  gap:5px;
  color:var(--ink-2);
  font-size:12px;
  font-weight:800;
}
.form-row{display:grid;grid-template-columns:1fr;gap:10px}
.placeholder-form input,
.placeholder-form textarea,
.search input,
.ai-panel textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:7px;
  background:var(--paper);
  color:var(--ink);
  outline:none;
  padding:10px 11px;
}
.placeholder-form textarea,
.ai-panel textarea{resize:vertical;min-height:86px;line-height:1.65}
.placeholder-form input:focus,
.placeholder-form textarea:focus,
.search input:focus,
.ai-panel textarea:focus{
  border-color:#1a1a1a;
  box-shadow:0 0 0 3px rgba(184,255,44,.28);
  background:#fff;
}
.placeholder-form button{
  width:max-content;
  border-radius:7px;
  background:var(--paper-2);
  color:var(--ink-3);
  font-size:13px;
  font-weight:900;
  padding:9px 13px;
  cursor:not-allowed;
}
.tool-note{margin-top:10px;color:var(--ink-3);font-size:12px;line-height:1.55}
.workspace{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
.sidebar{
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:13px;
}
.side-block{padding-bottom:15px;margin-bottom:15px;border-bottom:1px solid var(--line)}
.side-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.side-label,.side-title{
  display:block;
  color:var(--ink-3);
  font-size:11px;
  font-weight:900;
  letter-spacing:.14em;
  margin-bottom:8px;
}
.search{position:relative}
.search::before{
  content:"";
  position:absolute;
  left:12px;
  top:50%;
  width:7px;
  height:7px;
  border:2px solid var(--ink-3);
  border-radius:50%;
  transform:translateY(-54%);
}
.search::after{
  content:"";
  position:absolute;
  left:22px;
  top:25px;
  width:7px;
  height:2px;
  background:var(--ink-3);
  transform:rotate(45deg);
}
.search input{padding-left:37px}
.group-filters,.day-filters{display:flex;flex-wrap:wrap;gap:7px}
.group-filters button,.day-filters button{
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper);
  color:var(--ink-2);
  font-size:12px;
  font-weight:800;
  padding:6px 9px;
}
.group-filters button span,.day-filters button span{
  margin-left:5px;
  color:var(--ink-3);
  font-weight:700;
}
.group-filters button.active,.day-filters button.active{
  border-color:#1a1a1a;
  background:var(--black);
  color:#fff;
}
.group-filters button.active span,.day-filters button.active span{color:rgba(255,255,255,.68)}
.topic-nav{padding:10px 0;border-bottom:1px solid var(--line)}
.topic-nav:last-child{border-bottom:0}
.topic-link{display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:900}
.topic-link span{font-size:14px}
.topic-link b{
  min-width:25px;
  height:22px;
  border-radius:999px;
  background:var(--paper);
  display:grid;
  place-items:center;
  font-size:12px;
  color:var(--ink-3);
}
.topic-nav ol{display:grid;gap:7px;margin-top:8px;padding-left:18px}
.topic-nav li{font-size:12px;color:var(--ink-3);line-height:1.45}
.topic-nav li a{display:grid;gap:5px}
.topic-nav li a:hover{color:var(--ink)}
.reader{min-width:0}
.summary{padding:16px;margin-bottom:14px}
.summary .date{
  color:#4d5f00;
  font-size:11px;
  font-weight:900;
  letter-spacing:.12em;
}
.summary h2{font-size:21px;line-height:1.28;margin-top:4px;font-weight:900}
.summary p{color:var(--ink-3);font-size:13px;line-height:1.65;margin-top:7px}
.summary .count{
  margin-top:12px;
  width:max-content;
  border-radius:7px;
  background:var(--black);
  color:#fff;
  font-size:12px;
  font-weight:900;
  padding:7px 10px;
}
.contributor-strip{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.contributor-strip span{
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper);
  color:var(--ink-3);
  font-size:12px;
  padding:5px 8px;
}
.contributor-strip b{color:var(--ink);margin-right:4px}
.taxonomy{padding:16px;margin-bottom:16px}
.taxonomy h2{font-size:18px;line-height:1.3;font-weight:900;margin-bottom:7px}
.taxonomy p{color:var(--ink-2);font-size:13px;line-height:1.65}
.taxonomy-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px}
.taxonomy-grid div{border-top:1px solid var(--line);padding-top:8px}
.taxonomy-grid b{display:block;font-size:13px;margin-bottom:2px}
.taxonomy-grid span{color:var(--ink-3);font-size:12px;line-height:1.5}
.topic-section{scroll-margin-top:90px;margin-bottom:30px}
.topic-head{display:flex;gap:11px;align-items:flex-start;margin-bottom:9px}
.topic-head > span{
  flex:none;
  border-radius:7px;
  background:var(--black);
  color:#fff;
  font-size:11px;
  font-weight:900;
  padding:4px 7px;
  margin-top:3px;
}
.topic-head h2{font-size:21px;line-height:1.28;font-weight:900}
.topic-head p{color:var(--ink-3);font-size:13px;margin-top:3px}
.question-list{
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
}
.qa-row{padding:16px 13px;border-bottom:1px solid var(--line);scroll-margin-top:94px}
.qa-row:last-child{border-bottom:0}
.qa-meta-top{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:9px}
.qa-meta-top .source-badge{background:var(--black);color:#fff;border-color:var(--black);font-weight:900}
.qline{display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px;align-items:start;margin-bottom:8px}
.qline > span{color:#4d5f00;font-size:12px;font-weight:900;padding-top:3px}
.qline h3{font-size:16px;line-height:1.55;font-weight:900}
.answer{color:var(--ink-2);font-size:14px;line-height:1.86;white-space:pre-line;overflow-wrap:anywhere}
.meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}
.attachments{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px}
.attachment{
  display:inline-flex;
  align-items:center;
  gap:7px;
  border:1px solid var(--line);
  border-radius:7px;
  background:var(--paper);
  color:var(--ink-2);
  font-size:12px;
  font-weight:800;
  padding:6px 9px;
}
.attachment b{
  border-radius:5px;
  background:var(--black);
  color:#fff;
  font-size:10px;
  padding:1px 5px;
}
.attachment-image{display:grid;align-items:start;gap:5px;max-width:220px;padding:7px}
.attachment-image img{
  width:100%;
  max-height:150px;
  object-fit:cover;
  border-radius:6px;
  border:1px solid var(--line);
  background:#fff;
}
.empty{
  border:1px dashed var(--line);
  border-radius:8px;
  background:#fff;
  color:var(--ink-3);
  padding:18px;
}
.ai-panel{padding:15px;margin-bottom:16px}
.ai-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.ai-head h2{font-size:21px;line-height:1.28;font-weight:900}
.ai-head b{
  flex:none;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--ink-3);
  font-size:11px;
  font-weight:900;
  padding:5px 8px;
}
.chat-messages{
  display:flex;
  flex-direction:column;
  gap:10px;
  height:min(47vh,420px);
  min-height:270px;
  overflow:auto;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:12px;
  scroll-behavior:smooth;
}
.chat-message{display:grid;grid-template-columns:30px minmax(0,1fr);gap:9px;max-width:100%}
.chat-message.from-user{align-self:flex-end;grid-template-columns:minmax(0,1fr) 30px}
.chat-message.from-user .chat-avatar{order:2;background:var(--accent);color:#1f2600}
.chat-message.from-user .chat-bubble{order:1;background:var(--black);color:#fff;border-color:var(--black)}
.chat-avatar{
  width:30px;
  height:30px;
  border-radius:7px;
  background:var(--paper);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-size:11px;
  font-weight:900;
}
.chat-bubble{
  min-width:0;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:10px 11px;
}
.chat-message.from-ai .chat-bubble{border-top-left-radius:3px}
.chat-message.from-user .chat-bubble{border-top-right-radius:3px}
.chat-text{font-size:14px;line-height:1.74;overflow-wrap:anywhere}
.chat-message.from-user .chat-text{white-space:pre-wrap}
.chat-message.from-user .chat-text,.chat-message.from-user .chat-text strong{color:#fff}
.chat-message.is-pending .chat-bubble{animation:chatPulse 1.3s ease-in-out infinite}
.chat-suggestions{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0}
.chat-suggestions button{
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper);
  color:var(--ink-2);
  font-size:12px;
  font-weight:900;
  padding:7px 10px;
}
.chat-suggestions button:hover{border-color:#1a1a1a;background:#fff}
.chat-compose{margin-top:9px}
.ai-actions{display:flex;align-items:center;gap:9px;margin-top:10px;flex-wrap:wrap}
.ai-actions button{
  border-radius:7px;
  background:var(--black);
  color:#fff;
  font-weight:900;
  min-height:39px;
  padding:9px 15px;
}
.ai-actions .ghost-btn{
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
}
.ai-actions button:disabled{opacity:.55;cursor:not-allowed}
.ai-actions span{color:var(--ink-3);font-size:12px;line-height:1.5}
.ai-output{display:none}
@keyframes chatPulse{
  0%,100%{opacity:1;transform:translateY(0)}
  50%{opacity:.72;transform:translateY(-1px)}
}
.markdown-body > * + *{margin-top:9px}
.markdown-body p{margin:0}
.markdown-body h3,.markdown-body h4,.markdown-body h5{color:inherit;line-height:1.38;margin-top:12px;margin-bottom:5px}
.markdown-body h3{font-size:17px}
.markdown-body h4{font-size:15px}
.markdown-body h5{font-size:14px}
.markdown-body ul,.markdown-body ol{padding-left:20px;margin-top:7px}
.markdown-body li{margin:4px 0}
.markdown-body strong{font-weight:900}
.markdown-body em{font-style:normal;color:inherit}
.markdown-body a{text-decoration:underline;text-underline-offset:3px}
.markdown-body code{
  border-radius:5px;
  background:rgba(184,255,44,.24);
  color:inherit;
  padding:1px 5px;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  font-size:.92em;
}
.markdown-body pre{
  overflow:auto;
  background:#111;
  color:#f8f8f8;
  border-radius:7px;
  padding:11px;
  line-height:1.65;
}
.markdown-body pre code{background:transparent;padding:0}
.markdown-body blockquote{
  border-left:3px solid var(--accent);
  padding:6px 0 6px 10px;
  background:var(--paper);
}
.site-footer{
  border-top:1px solid var(--line-dark);
  background:var(--black);
  color:rgba(255,255,255,.58);
  padding:18px 0;
  font-size:12px;
}
.site-footer .container{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
}
@media (min-width:680px){
  html{scroll-padding-top:86px}
  .container{padding:0 28px}
  .topbar{align-items:center;justify-content:space-between;flex-direction:row;padding:12px 22px}
  .brand img{width:44px;height:44px}
  .brand b{font-size:14px}
  .brand small{max-width:none;font-size:12px}
  .topbar nav{width:auto;gap:8px}
  .topbar nav a{flex:none;font-size:13px;padding:8px 11px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 330px;align-items:end;padding-top:42px;padding-bottom:36px}
  .quick-access,.tool-section,.ai-panel{padding:18px;margin-bottom:20px}
  .quick-head{flex-direction:row;justify-content:space-between}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-row{grid-template-columns:1fr 1fr}
  .summary{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;padding:20px}
  .summary .count{flex:none;margin-top:0}
  .taxonomy{padding:20px}
  .taxonomy-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}
}
@media (min-width:980px){
  .hero-grid{padding-top:54px;padding-bottom:48px}
  .main{padding-top:24px;padding-bottom:58px}
  .quick-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
  .workspace{grid-template-columns:300px minmax(0,1fr);gap:24px}
  .sidebar{
    position:sticky;
    top:78px;
    max-height:calc(100vh - 96px);
    overflow:auto;
  }
  .chat-message{max-width:min(850px,100%)}
  .chat-message.from-user{max-width:min(780px,100%)}
}
@media (max-width:420px){
  .topbar{align-items:flex-start;flex-direction:column}
  .topbar nav{width:100%;justify-content:space-between}
  .topbar nav a{flex:1;text-align:center}
  .hero-grid{padding-top:22px}
  .hero h1{font-size:35px;line-height:1.08}
  .hero-panel{padding:12px}
  .quick-head{flex-direction:column}
  .ai-actions button{flex:1;min-width:112px}
}