body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 15% 12%, rgba(255, 122, 162, 0.18), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(78, 205, 196, 0.18), transparent 30%),
    linear-gradient(135deg, #fff6fb 0%, #eef9ff 100%);
  color: #172033;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 18px 76px;
}

.tool-topbar {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 980px;
  margin: 12px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.tool-brand {
  color: #566500;
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.topbar-btn {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid #dbe5ea;
  border-radius: 999px;
  background: #fff;
  color: #334155;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.topbar-btn.primary {
  border-color: #111827;
  background: #111827;
  color: #fff;
}

.card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
}

.bar {
  height: 6px;
  background: linear-gradient(90deg, #ff7aa2, #f3c75f, #4ecdc4);
}

.content {
  padding: 30px 26px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #effaf8;
  color: #0f766e;
  font-size: 13px;
  font-weight: 800;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.14;
}

h2 {
  margin: 34px 0 12px;
  font-size: 23px;
}

h3 {
  margin: 22px 0 8px;
  font-size: 18px;
}

p,
li {
  color: #4b5563;
  font-size: 16px;
  line-height: 1.9;
}

ul,
ol {
  margin: 0;
  padding-left: 22px;
}

.lead {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: 17px;
}

.tool {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid #dbeafe;
  border-radius: 22px;
  background: linear-gradient(135deg, #f7fbff, #fff7fb);
}

.tool a,
.cta {
  display: inline-flex;
  margin-top: 14px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.mini {
  padding: 16px;
  border: 1px solid #e5edf2;
  border-radius: 18px;
  background: #fff;
}

.mini strong {
  display: block;
  margin-bottom: 6px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.links a {
  padding: 10px 14px;
  border: 1px solid #dbe5ea;
  border-radius: 999px;
  background: #fff;
  color: #334155;
  font-weight: 700;
  text-decoration: none;
}

.note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 4px solid #4ecdc4;
  border-radius: 12px;
  background: #f0fdfa;
  color: #0f766e;
}

footer {
  margin-top: 30px;
  color: #64748b;
  font-size: 14px;
}

@media (max-width: 720px) {
  .tool-topbar {
    position: static;
    margin: 10px 12px 0;
  }

  .tool-brand {
    max-width: 9rem;
  }

  .content {
    padding: 24px 18px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}