body {
  font-family: "Microsoft YaHei", sans-serif;
  background-color: #f0f2f5;
  margin: 0;
  padding: 0;
}

.top-alert {
  width: 100%;
  background-color: #fff3cd; 
  color: #856404;
  text-align: center;
  padding: 12px 0;
  font-size: 16px;
  font-weight: bold;
  position: fixed;
  top: -50px; 
  left: 0;
  z-index: 9999;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.top-alert .close-btn {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  font-weight: bold;
  font-size: 18px;
  color: #856404;
}
.top-alert .close-btn:hover { color: #000; }

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  75% { transform: translateX(-5px); }
  100% { transform: translateX(0); }
}
.shake {
  animation: shake 0.4s 2;
}

.container {
  width: 95%;
  max-width: 1000px;
  margin: 120px auto 40px auto; 
  background: #fff;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 20px #aaa;
  display: flex;
  flex-direction: column;
}

h1 { text-align: center; color: #333; font-size: 36px; }
p { text-align: center; color: #666; font-size: 18px; }

.download-buttons { display: flex; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 220px;
  padding: 25px;
  margin: 15px;
  background-color: #ffffff;
  color: #1e88e5;
  text-decoration: none;
  border-radius: 12px;
  font-size: 22px;
  border: 2px solid #1e88e5;
  text-align: center;
  transition: background 0.3s, color 0.3s;
}
.btn:hover { background-color: #1e88e5; color: #fff; }
.btn img {
  width: 100%;
  max-width: 140px;
  height: auto;
  margin-bottom: 15px;
  display: block;
}

.friend-links-label {
  margin-top: 50px;
  font-size: 20px;
  font-weight: bold;
  color: #333;
  text-align: center;
}
.friend-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 15px;
}
.friend-links a {
  display: flex;
  align-items: center;
  margin: 8px 15px;
  padding: 8px 12px;
  background-color: #f9f9f9;
  border-radius: 8px;
  text-decoration: none;
  color: #1e88e5;
  font-size: 16px;
  border: 1px solid #ddd;
  transition: background 0.3s, color 0.3s;
}
.friend-links a:hover { background-color: #1e88e5; color: #fff; }
.friend-links img.link-logo {
  width: 32px;
  height: 32px;
  margin-right: 8px;
  display: inline-block;
}

.bottom-text {
  margin-top: 30px;
  text-align: center;
  color: #999;
  font-size: 14px;
  line-height: 1.6;
}

.page-footer {
  width: 100%;
  text-align: center;
  padding: 8px 0;
  font-size: 14px;
  color: #999;
  background-color: #f0f2f5;
  border-top: 1px solid #ddd;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 1000;
}

@media screen and (max-width: 700px){
  .btn { width: 80%; }
}


.btn-todesk {
    position: relative;
}

.recommend-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff3b30, #ff6b6b);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    z-index: 3;
    white-space: nowrap;
    box-shadow: 0 3px 10px rgba(255, 59, 48, 0.3);
}

.recommend-badge::before {
    content: "👍 ";
}