@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=LXGW+WenKai+Mono+TC&display=swap");
* {
  margin: 0;
  padding: 0;
  font-family: "LXGW WenKai Mono TC", monospace;
  font-weight: 400;
}

.wrap {
  background-color: rgba(255, 128, 192, 0.5);
  margin: auto;
  max-width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.wrap .envelope {
  margin: auto;
  background-color: #a82127;
  width: min(90vw, 750px);
  aspect-ratio: 4/2.5; /* 🔥 寬高比例 */
  position: relative;
  perspective: 1200px;
  border-radius: 0 0 15px 15px;
}
.wrap .envelope .flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  border-radius: 0 0 15px 15px;
  transform-origin: top center;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.wrap .envelope .gold {
  background: linear-gradient(#b28d2f, #ffd700, #d4af37);
  /* 三角形 */
  clip-path: polygon(0 0, 50% 105%, 100% 0);
  z-index: 8;
}
.wrap .envelope .main {
  background-color: #b72127;
  clip-path: polygon(0 0, 50% 105%, 100% 0);
  transform: scale(98%);
  z-index: 10;
}
.wrap .envelope .seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffd700, #caa21a);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 10;
  transition: transform 0.25s ease, opacity 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wrap .envelope .seal .seal-text {
  color: #fff;
  font-size: 25px;
  text-shadow: 0 0 5px #000000, 0 0 10px #000000;
}
.wrap .envelope .body {
  background-color: #da434a;
  position: absolute;
  inset: 0;
  border-radius: 0 0 15px 15px;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 12px 12px 10px rgba(0, 0, 0, 0.5);
}
.wrap .envelope .body .letter {
  background-color: #ff80c0;
  margin: 0 auto;
  width: 80%;
  height: 60%;
  box-sizing: border-box;
  text-align: center;
  padding: 1.5em;
  z-index: 2;
  transform: translateY(35%); /* 關起來先往下藏 */
  transition: transform 0.7s ease;
}
.wrap .envelope .body .letter p {
  color: #ff3a2f;
  font-size: 150px;
  text-shadow: 0 0 10px #000000, 0 0 10px #000000;
}
@media (max-width: 700px) {
  .wrap .envelope .body .letter p {
    font-size: 90px;
  }
}
@media (max-width: 500px) {
  .wrap .envelope .body .letter p {
    font-size: 75px;
  }
}
.wrap .envelope.open .flap {
  transform: rotateX(180deg);
}
.wrap .envelope.open .letter {
  transform: translateY(-0.5%);
}
.wrap .envelope.open .seal {
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
}
.wrap .envelope .pocket {
  position: absolute;
  inset: 0;
  border-radius: 0 0 15px 15px;
  z-index: 4; /* 一定要比 letter 高，才遮得住 */
  pointer-events: none; /* 不要擋住點擊 */
  overflow: hidden;
  border: 5px gold solid;
  border-left: 4px #ffd700 solid;
  border-top: none;
}
.wrap .envelope .pocket::before {
  content: "";
  background-color: #fff;
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0); /* 這層可不設色，避免蓋掉你的紅色信封 */
}
.wrap .envelope .pocket::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 100%;
  background: transparent;
  clip-path: polygon(0 0, 48% 45%, 52% 45%, 100% 0, 100% 100%, 0 100%);
  background: #a51d22; /* ← 改成你信封本體紅色 */
  box-sizing: border-box;
}/*# sourceMappingURL=website.css.map */