:root{
  --public-bg:#f4f6f9;
  --public-surface:#ffffff;
  --public-surface-soft:#fbfbfd;
  --public-text:#111827;
  --public-muted:#5f6673;
  --public-border:#e5e7eb;
  --public-blue:#0a66c2;
  --public-blue-dark:#064f9e;
  --public-green:#0f8f62;
  --public-radius:8px;
  --public-shadow:0 12px 28px rgba(15,23,42,.07);
  --public-font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  min-height:100%;
  background:var(--public-bg);
  color:var(--public-text);
  font-family:var(--public-font);
  font-size:14px;
  line-height:1.5;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input{font:inherit;letter-spacing:0}
a{color:inherit}
.itb-public-wrap{
  width:min(1240px,100%);
  margin:0 auto;
  padding:14px 18px 22px;
}
.itb-public-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:10px;
}
.itb-public-brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  min-width:0;
  color:var(--public-text);
  text-decoration:none;
}
.itb-public-logo{
  width:38px;
  height:38px;
  border:1px solid var(--public-border);
  border-radius:10px;
  background:#fff;
  display:grid;
  place-items:center;
  overflow:hidden;
  box-shadow:0 8px 18px rgba(15,23,42,.06);
  flex:0 0 auto;
}
.itb-public-logo img{
  width:28px;
  height:28px;
  object-fit:contain;
}
.itb-public-brand strong{
  display:block;
  font-size:17px;
  font-weight:760;
  line-height:1.1;
}
.itb-public-brand small{
  display:block;
  margin-top:2px;
  color:var(--public-muted);
  font-size:12px;
  font-weight:520;
  white-space:nowrap;
}
.itb-public-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.itb-public-actions button,
.itb-action-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:32px;
  border:1px solid var(--public-border);
  border-radius:8px;
  background:#fff;
  color:#1f2937;
  padding:0 12px;
  font-size:13px;
  font-weight:650;
  text-decoration:none;
  cursor:pointer;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.itb-public-actions button:hover,
.itb-action-link:hover{
  border-color:#cfd5df;
  background:#f9fafb;
}
.itb-action-link.primary{
  background:var(--public-blue);
  border-color:var(--public-blue);
  color:#fff;
}
.itb-action-link.primary:hover{
  background:var(--public-blue-dark);
  border-color:var(--public-blue-dark);
}
.itb-public-lang{position:relative}
.itb-public-lang-menu{
  display:none;
  position:absolute;
  right:0;
  top:40px;
  z-index:50;
  width:148px;
  padding:6px;
  background:#fff;
  border:1px solid var(--public-border);
  border-radius:10px;
  box-shadow:var(--public-shadow);
}
.itb-public-lang-menu.open{display:block}
.itb-public-lang-menu button{
  width:100%;
  justify-content:flex-start;
  min-height:32px;
  border:0;
  box-shadow:none;
}
.itb-public-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) 250px;
  gap:10px;
  align-items:stretch;
  margin-bottom:10px;
}
.itb-public-hero-copy,
.itb-public-status,
.itb-tools-card{
  background:var(--public-surface);
  border:1px solid var(--public-border);
  border-radius:var(--public-radius);
  box-shadow:var(--public-shadow);
}
.itb-public-hero-copy{
  padding:20px 22px;
  min-height:178px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.itb-public-hero-copy:before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:4px;
  background:linear-gradient(180deg,var(--public-blue),var(--public-green));
}
.itb-public-eyebrow,
.itb-section-kicker{
  display:block;
  margin-bottom:6px;
  color:var(--public-blue);
  font-size:11px;
  font-weight:760;
  text-transform:uppercase;
}
.itb-public-hero h1{
  margin:0;
  max-width:760px;
  font-size:34px;
  line-height:1.1;
  font-weight:780;
  letter-spacing:0;
}
.itb-public-hero p{
  margin:8px 0 0;
  max-width:680px;
  color:var(--public-muted);
  font-size:14px;
  line-height:1.6;
  font-weight:450;
}
.itb-public-search-form{
  display:flex;
  gap:8px;
  width:min(720px,100%);
  margin-top:14px;
  padding:4px;
  background:var(--public-surface-soft);
  border:1px solid #d6dbe3;
  border-radius:10px;
}
.itb-public-search-form input{
  flex:1;
  min-width:0;
  height:34px;
  border:0;
  outline:0;
  border-radius:7px;
  background:transparent;
  color:var(--public-text);
  padding:0 12px;
  font-size:14px;
}
.itb-public-search-form button{
  min-width:78px;
  height:34px;
  border:0;
  border-radius:7px;
  background:var(--public-blue);
  color:#fff;
  font-weight:720;
  cursor:pointer;
}
.itb-public-search-form button:hover{background:var(--public-blue-dark)}
.itb-public-status{
  display:grid;
  grid-template-rows:repeat(3,1fr);
  overflow:hidden;
}
.itb-public-status div{
  padding:13px 15px;
  border-bottom:1px solid var(--public-border);
}
.itb-public-status div:last-child{border-bottom:0}
.itb-public-status span{
  display:block;
  color:var(--public-muted);
  font-size:12px;
  font-weight:650;
}
.itb-public-status strong{
  display:block;
  margin-top:4px;
  font-size:18px;
  font-weight:760;
}
.itb-tools-card{
  padding:14px;
}
.itb-tools-title{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.itb-tools-title h2{
  margin:0;
  font-size:21px;
  line-height:1.2;
  font-weight:760;
}
.itb-mode-switch{
  display:inline-grid;
  grid-template-columns:1fr 1fr;
  gap:3px;
  min-width:198px;
  padding:3px;
  border:1px solid var(--public-border);
  border-radius:10px;
  background:#f3f4f6;
}
.itb-mode-switch button{
  min-height:30px;
  border:0;
  border-radius:7px;
  background:transparent;
  color:#4b5563;
  padding:0 11px;
  font-size:13px;
  font-weight:720;
  cursor:pointer;
  white-space:nowrap;
}
.itb-mode-switch button.active{
  background:#fff;
  color:var(--public-blue-dark);
  box-shadow:0 1px 3px rgba(15,23,42,.12);
}
.itb-tools-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:8px;
}
.itb-tool-card{
  display:grid;
  grid-template-columns:34px minmax(0,1fr);
  gap:10px;
  align-items:center;
  min-height:76px;
  padding:11px;
  color:var(--public-text);
  text-decoration:none;
  background:#fff;
  border:1px solid var(--public-border);
  border-radius:var(--public-radius);
  transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.itb-tool-card:hover{
  transform:translateY(-1px);
  border-color:#b8c7da;
  box-shadow:0 10px 22px rgba(10,102,194,.12);
}
.itb-pro-mode .itb-tool-card{
  background:linear-gradient(180deg,#fff,#f8fbff);
}
.itb-pro-mode .itb-tools-card{
  background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg,rgba(10,102,194,.42),rgba(15,143,98,.28)) border-box;
  border-color:transparent;
}
.itb-pro-mode .itb-tools-grid{
  grid-template-columns:repeat(5,minmax(0,1fr));
}
.itb-pro-mode .itb-tool-card h3{
  font-size:13px;
}
.itb-pro-mode .itb-tool-card p{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:10.5px;
}
.itb-pro-mode .itb-tool-icon{
  background:#eef2ff;
  color:#1d4ed8;
}
.itb-tool-icon{
  width:34px;
  height:34px;
  border-radius:8px;
  display:grid;
  place-items:center;
  background:#eef6ff;
  color:var(--public-blue-dark);
  font-size:10px;
  font-weight:780;
  line-height:1;
}
.itb-tool-card h3{
  margin:0 0 2px;
  font-size:14px;
  line-height:1.32;
  font-weight:720;
}
.itb-tool-card p{
  margin:0;
  color:var(--public-muted);
  font-size:11px;
  line-height:1.35;
  overflow-wrap:anywhere;
}
.itb-public-footer{
  margin-top:10px;
  color:#6b7280;
  font-size:12px;
  text-align:center;
}
@media(max-width:920px){
  .itb-public-wrap{padding:16px}
  .itb-public-header{align-items:flex-start;flex-direction:column}
  .itb-public-actions{justify-content:flex-start}
  .itb-public-hero{grid-template-columns:1fr}
  .itb-public-status{grid-template-columns:repeat(3,1fr);grid-template-rows:auto}
  .itb-public-status div{border-bottom:0;border-right:1px solid var(--public-border)}
  .itb-public-status div:last-child{border-right:0}
  .itb-tools-grid,.itb-pro-mode .itb-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
  html,body{font-size:13px}
  .itb-public-wrap{padding:12px}
  .itb-public-brand small{white-space:normal}
  .itb-public-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
  .itb-public-actions .primary{grid-column:1 / -1}
  .itb-public-lang{width:100%}
  .itb-public-actions button,.itb-action-link{width:100%;min-height:36px}
  .itb-public-lang-menu{left:0;right:auto;width:100%}
  .itb-public-hero-copy{padding:22px;min-height:0}
  .itb-public-hero h1{font-size:30px;line-height:1.14}
  .itb-public-hero p{font-size:14px}
  .itb-public-search-form{flex-direction:column}
  .itb-public-search-form button{width:100%}
  .itb-public-status{grid-template-columns:1fr}
  .itb-public-status div{border-right:0;border-bottom:1px solid var(--public-border);padding:15px}
  .itb-tools-card{padding:14px}
  .itb-tools-title{align-items:stretch;flex-direction:column}
  .itb-mode-switch{width:100%;min-width:0}
  .itb-tools-grid,.itb-pro-mode .itb-tools-grid{grid-template-columns:1fr;gap:8px}
  .itb-tool-card{min-height:88px;padding:13px}
}