body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  font-weight: bold;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(#f2fff2, #eaeae2);
  pointer-events: none;
}

* {
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

button:focus,
a:focus {
  outline: none;
}

/* =========================
   所有按鈕
   ========================= */
button {
  position: relative;
  width: 150px;
  height: 50px;
  color: #fff;
  font-size: 24px;
  font-weight: bold;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 16px;
  background: rgba(34, 177, 76, 0.80);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow:
    0 5px 16px rgba(0, 0, 0, 0.16),
    inset 0 1px 1px rgba(255, 255, 255, 0.22);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.18s ease, background 0.18s ease;
}

button:active {
  transform: scale(0.94);
}

/* 只有滑鼠才啟用 hover */
@media (hover: hover) and (pointer: fine) {
  button:hover {
    background: rgba(34, 177, 76, 0.62);
    transform: scale(1.03);
  }
}

/* =========================
   頂部懸浮列
   ========================= */
.container {
  position: fixed;
  top: 12px;
  left: 12px;
  width: calc(100% - 24px);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 177, 76, 0.67);
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 20px;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow:
    0 7px 22px rgba(0, 0, 0, 0.16),
    inset 0 1px 1px rgba(255, 255, 255, 0.24);
  overflow: hidden;
  z-index: 999;
}

.title {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: left;
}

.content {
  margin-top: 96px;
  text-align: center;
}

.topimg {
  height: 60px;
  width: 60px;
  object-fit: contain;
  margin-right: 8px;
}

.bigimg {
  height: 256px;
  width: 256px;
}

.white {
  color: #fff;
}

/* =========================
   三 → 玻璃圓球
   ========================= */
.menu-btn {
  position: absolute;
  left: 7px;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 27px;
  line-height: 46px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow:
    0 5px 14px rgba(0, 0, 0, 0.18),
    inset 1px 1px 2px rgba(255, 255, 255, 0.25);
  transition: transform 0.18s ease;
  z-index: 3;
}

.menu-btn:active {
  transform: scale(0.91);
}

@media (hover: hover) and (pointer: fine) {
  .menu-btn:hover {
    transform: scale(1.05);
  }
}

/* =========================
   懸浮側邊選單
   ========================= */
.side-menu {
  position: fixed;
  top: 72px;
  left: 12px;
  width: 210px;
  height: 83vh;
  max-height: 83vh;
  padding: 14px;

  background: rgba(34, 177, 76, 0.67);
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 22px;

  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);

  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.18),
    inset 1px 1px 2px rgba(255, 255, 255, 0.22);

  overflow-x: hidden;
  overflow-y: auto;

  transform: translate(-4px, -4px) scale(0.08);
  transform-origin: 23px 23px;

  opacity: 0;
  visibility: hidden;

  transition:
    transform 0.42s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    opacity 0.20s ease,
    visibility 0s linear 0.42s;

  z-index: 998;
}

/* 開啟：從三冒出來 */
.side-menu.open {
  transform: translate(0, 0) scale(1);
  opacity: 1;
  visibility: visible;

  transition:
    transform 0.42s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    opacity 0.20s ease;
}

/* =========================
   選單項目
   ========================= */
.side-menu a {
  display: block;
  position: relative;
  z-index: 2;
  margin: 7px 0;
  padding: 10px 12px;
  color: #fff;
  font-size: 20px;
  text-decoration: none;

  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  box-shadow:
    inset 1px 1px 2px rgba(255, 255, 255, 0.18);

  transition:
    transform 0.18s ease,
    background 0.18s ease;
}

@media (hover: hover) and (pointer: fine) {
  .side-menu a:hover {
    text-decoration: none;
    transform: translateX(3px);
    background: rgba(255, 255, 255, 0.10);
  }
}

/* =========================
   輸入框
   ========================= */
input[type="text"] {
  border: 1px solid rgba(255, 255, 255, 0.30);
  outline: none;
  padding: 10px 14px;
  color: #fff;
  border-radius: 18px;
  background: rgba(34, 177, 76, 0.67);

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.10),
    inset 0 1px 1px rgba(255, 255, 255, 0.20);
}

/* =========================
   玻璃卡片
   ========================= */
.crad {
  position: relative;
  width: min(90%, 520px);
  margin: 16px auto;
  padding: 20px;

  display: inline-block;

  color: #000;
  text-align: center;

  background: rgba(192, 224, 184, 0.80);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 20px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.14),
    inset 1px 1px 2px rgba(255, 255, 255, 0.20);

  overflow: hidden;
}

/* 卡片邊緣反射 */
.crad::before {
  content: "";
  position: absolute;
  inset: 0;

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: inherit;

  pointer-events: none;
}