/* gratitude-warmth（暖意致谢）样式 */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: #5a3d2b;
  background: linear-gradient(180deg, #ffe9c9 0%, #ffd9a8 45%, #ffc98f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

#fx-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.card {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 44px 30px;
  margin: 0 20px;
  max-width: 520px;
  width: 100%;
  border-radius: 20px;
  background: rgba(255, 251, 243, 0.92);
  border: 1px solid rgba(214, 160, 110, 0.25);
  box-shadow: 0 14px 44px rgba(150, 95, 40, 0.22);
  animation: card-in 1.2s ease both;
}

.flower { font-size: 40px; margin-bottom: 6px; }

.title {
  font-size: 15px;
  letter-spacing: 5px;
  color: #b3793f;
  opacity: 0.85;
  margin-bottom: 16px;
}

.to {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 18px;
  color: #8a5426;
}

.msg {
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 2;
  color: #5a3d2b;
  opacity: 0.95;
  min-height: 2em;
}

.from { margin-top: 26px; font-size: 15px; color: #7a5138; }
.date { margin-top: 8px; font-size: 13px; color: #a98a6b; letter-spacing: 1px; }

@keyframes card-in {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}