* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(180deg, #ecfdf5 0%, #f0fdfa 40%, #fff 100%);
  color: #134e4a;
  line-height: 1.72;
}
a { color: #0d9488; }
img { max-width: 100%; height: auto; display: block; border-radius: 12px; }

.t72o-bar {
  background: linear-gradient(120deg, #115e59, #0d9488);
  color: #ccfbf1;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 6px 20px rgba(17, 94, 89, 0.25);
}
.t72o-bar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.t72o-logo { font-weight: 800; font-size: 17px; color: #fff; text-decoration: none; }
.t72o-nav { display: flex; flex-wrap: wrap; gap: 12px; margin-left: auto; font-size: 14px; }
.t72o-nav a { color: #99f6e4; text-decoration: none; font-weight: 600; }
.t72o-nav a:hover { color: #fff; }
.t72o-btn {
  display: inline-block;
  background: #fde047;
  color: #134e4a !important;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.t72o-btn--dark { background: #115e59; color: #ccfbf1 !important; }

.t72o-wrap { max-width: 920px; margin: 0 auto; padding: 28px 22px 64px; }
.t72o-hero h1 { margin: 0 0 12px; font-size: clamp(26px, 4vw, 36px); color: #115e59; }
.t72o-lead { font-size: 18px; color: #475569; margin: 0 0 16px; }
.t72o-quick {
  background: #fff;
  border: 2px solid #5eead4;
  border-radius: 14px;
  padding: 20px;
  margin: 20px 0;
}
.t72o-quick a { font-size: 22px; font-weight: 900; word-break: break-all; }

.t72o-card {
  background: #fff;
  border: 1px solid #99f6e4;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
}
.t72o-card h2 { margin: 0 0 12px; font-size: 22px; color: #0f766e; }

.t72o-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 640px) { .t72o-grid { grid-template-columns: 1fr; } }
.t72o-grid div { background: #f0fdfa; border: 1px solid #ccfbf1; border-radius: 10px; padding: 14px; }

.t72o-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.t72o-tab {
  padding: 8px 14px;
  border: 1px solid #5eead4;
  background: #fff;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  color: #0f766e;
}
.t72o-tab.is-on { background: #0d9488; color: #fff; border-color: #0d9488; }
.t72o-panel { display: none; color: #475569; }
.t72o-panel.is-on { display: block; }

.t72o-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.t72o-table th, .t72o-table td { border: 1px solid #99f6e4; padding: 10px 12px; text-align: left; }
.t72o-table th { background: #ccfbf1; color: #115e59; }

.t72o-faq details { background: #f0fdfa; border: 1px solid #99f6e4; border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
.t72o-faq summary { cursor: pointer; font-weight: 600; color: #115e59; }

.t72o-inner { max-width: 800px; margin: 0 auto; padding: 28px 22px 48px; }
.t72o-foot { text-align: center; padding: 22px; font-size: 13px; color: #64748b; }
.t72o-toast {
  position: fixed; bottom: 20px; right: 20px;
  background: #115e59; color: #fff; padding: 10px 16px; border-radius: 8px;
  opacity: 0; transition: opacity 0.2s; z-index: 60;
}
.t72o-toast.show { opacity: 1; }