#tool-body {
  --ts: #00A3A3;
  --ts-dark: #007878;
  --ts-light: #E0F5F5;
  --ts-mid: #B2E6E6;
}
#tool-body * { box-sizing: border-box; }

#tool-body .ext-hero {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--ts-light);
  border-radius: 12px;
  border: 1px solid var(--ts-mid);
  position: relative;
  overflow: hidden;
}
.theme-dark-mode #tool-body .ext-hero {
  background: #073333;
  border-color: #0a5555;
}
#tool-body .ext-hero::before {
  content: '';
  position: absolute;
  right: -40px; top: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: var(--ts-mid);
  opacity: 0.3;
  pointer-events: none;
}
#tool-body .ext-hero-icon {
  width: 64px; height: 64px;
  background: rgba(255, 255, 255, 0.6);;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative; z-index: 1;
}
.theme-dark-mode #tool-body .ext-hero-icon {
  background: #0078787d;
}
#tool-body .ext-hero-icon svg { width: 34px; height: 34px; }
#tool-body .ext-hero-text { position: relative; z-index: 1; }
#tool-body .ext-hero-text h2 {
  font-size: 18px; font-weight: 600;
  color: #333; margin-bottom: 6px;
}
.theme-dark-mode #tool-body .ext-hero-text h2 { color: #eee; }
#tool-body .ext-hero-text p {
  font-size: 13px; color: #666;
  line-height: 1.6; max-width: 420px;
}
.theme-dark-mode #tool-body .ext-hero-text p { color: #aaa; }
#tool-body .ext-badges { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
#tool-body .badge {
  font-size: 11px; font-weight: 500;
  padding: 2px 10px; border-radius: 20px;
  background: var(--ts); color: #fff;
}
#tool-body .badge.outline {
  background: transparent; color: var(--ts-dark);
  border: 1px solid var(--ts);
}
.theme-dark-mode #tool-body .badge.outline { color: var(--ts); }

#tool-body .sec-title {
  font-size: 12px; font-weight: 600;
  color: #999; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 12px;
}

#tool-body .browser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px; margin-bottom: 2rem;
}
#tool-body .browser-card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 1.25rem 1rem;
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  transition: border-color 0.15s, transform 0.12s;
  text-decoration: none;
}
.theme-dark-mode #tool-body .browser-card {
  background: #1a1a1a; border-color: #333;
}
#tool-body .browser-card:hover { border-color: var(--ts); transform: translateY(-2px); }
#tool-body .browser-card.primary { border: 2px solid var(--ts); }
#tool-body .browser-icon { width: 42px; height: 42px; }
#tool-body .browser-head { display:flex;align-items:center;gap:6px; }
#tool-body .browser-name { line-height: 1.5em; font-size: 14px; font-weight: 500; color: #333; }
.theme-dark-mode #tool-body .browser-name { color: #ddd; }
#tool-body .browser-note { font-size: 11px; color: #999; text-align: center; line-height: 1.4;min-height: 2.8em; }
#tool-body .rec-tag {
  font-size: 10px; background: var(--ts);
  color: #fff; padding: 1px 7px; border-radius: 10px;
}
#tool-body .dl-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 500;
  border: none; cursor: pointer;
  text-decoration: none; transition: opacity 0.15s;
}
#tool-body .dl-btn.main { background: var(--ts); color: #fff; }
#tool-body .dl-btn.main:hover { opacity: 0.85; }
#tool-body .dl-btn.ghost {
  background: transparent; color: #666;
  border: 1px solid #ccc;
}
#tool-body .dl-btn.ghost:hover { border-color: var(--ts); color: var(--ts); }
.theme-dark-mode #tool-body .dl-btn.ghost { color: #aaa; border-color: #444; }

#tool-body .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 2rem;
}
#tool-body .feature-card {
  background: #f7f7f7;
  border-radius: 8px; padding: 1rem;
}
.theme-dark-mode #tool-body .feature-card { background: #1e1e1e; }
#tool-body .feature-icon { font-size: 18px; color: var(--ts); margin-bottom: 6px; }
#tool-body .feature-title { font-size: 13px; font-weight: 500; color: #333; margin-bottom: 3px; }
.theme-dark-mode #tool-body .feature-title { color: #ddd; }
#tool-body .feature-desc { font-size: 12px; color: #888; line-height: 1.5; }

#tool-body .step-list { margin-bottom: 2rem; }
#tool-body .step-item {
  display: flex; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}
.theme-dark-mode #tool-body .step-item { border-color: #2a2a2a; }
#tool-body .step-item:last-child { border-bottom: none; }
#tool-body .step-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--ts-light); color: var(--ts-dark);
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.theme-dark-mode #tool-body .step-num { background: #073333; color: var(--ts); }
#tool-body .step-label { font-size: 13px; font-weight: 500; color: #333; margin-bottom: 3px; }
.theme-dark-mode #tool-body .step-label { color: #ddd; }
#tool-body .step-sub { font-size: 12px; color: #888; }
#tool-body code {
  background: #eee; padding: 1px 5px;
  border-radius: 3px; font-size: 11px; color: var(--ts-dark);
}
.theme-dark-mode #tool-body code { background: #2a2a2a; color: var(--ts); }

#tool-body .faq-item { border-bottom: 1px solid #eee; padding: 12px 0; cursor: pointer; }
.theme-dark-mode #tool-body .faq-item { border-color: #2a2a2a; }
#tool-body .faq-item:last-child { border-bottom: none; }
#tool-body .faq-q {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; font-weight: 500; color: #333;
}
.theme-dark-mode #tool-body .faq-q { color: #ddd; }
#tool-body .faq-q i { color: #aaa; font-size: 15px; transition: transform 0.2s; }
#tool-body .faq-a {
  font-size: 12px; color: #888; line-height: 1.6;
  max-height: 0; overflow: hidden;
  transition: max-height 0.25s, padding 0.2s;
}
#tool-body .faq-item.open .faq-a { max-height: 120px; padding-top: 8px; }
#tool-body .faq-item.open .faq-q i { transform: rotate(180deg); }
#tool-body .browser-shots { margin-top: 10px; }
#tool-body .shot-label {
  font-size: 11px; font-weight: 600;
  color: #999; margin: 10px 0 4px;
  letter-spacing: 0.05em;
}
#tool-body .shot-label:first-child { margin-top: 0; }
#tool-body .illustration {
  width: 100%; border-radius: 6px;
  border: 1px solid #e5e5e5;
  display: block;
}
.theme-dark-mode #tool-body .illustration { border-color: #333; }
#tool-body .shot-tip {
  margin-top: 10px; font-size: 11px;
  color: #aaa; line-height: 1.5;
}