@font-face {
  font-family: PlusJakartaSans;
  src: url(../../../fonts/PlusJakartaSans-Medium.ttf);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: PlusJakartaSans, 微軟正黑體, -apple-system, SF UI Text, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif;
  color: #f9f9f9;
  margin: 0;
  background: #0b0619;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: #2eaac8;
}

/* ===== Page wrapper ===== */
.page-wrapper {
  min-height: 100vh;
  background: #0b0619 url(../../../images/bg-B6peDtMg.png) no-repeat center top;
  background-size: contain;
  position: relative;
  overflow: hidden;
}

/* ===== Particle canvas ===== */
#particlesBg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: .5;
  z-index: 0;
  pointer-events: none;
}

/* ===== Header area ===== */
.header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 20px 40px;
}

.inner-header {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo {
  width: 100px;
  height: 100px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(46, 170, 200, 0.25));
}

.inner-tex {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.inner-tex h1 {
  font-size: 36px;
  font-weight: bold;
  color: #f9f9f9;
  letter-spacing: 2px;
  text-shadow: 0 2px 20px rgba(46, 170, 200, 0.3);
}

/* ===== Waves - hidden in dark theme ===== */
.waves {
  display: none;
}

/* ===== Overlay (WeChat) ===== */
.overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  z-index: 999;
}

.overlay img {
  position: absolute;
  opacity: 0.9;
  top: 8%; left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 90%;
}

/* ===== Download buttons ===== */
.centerButton {
  margin-top: 10px;
}

.center {
  text-align: center;
  position: relative;
  z-index: 1;
}

.btn {
  width: 220px;
  margin: 12px auto 0;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  filter: drop-shadow(0 4px 20px rgba(46, 170, 200, 0.25));
}

.btn:hover {
  transform: translateY(-3px);
  filter: drop-shadow(0 8px 30px rgba(46, 170, 200, 0.4));
}

/* ===== iOS explain ===== */
.iosexplain {
  text-align: center;
  margin: 16px auto 0;
  color: #2eaac8;
  font-size: 14px;
  cursor: pointer;
  transition: color 0.3s;
}

.iosexplain:hover {
  color: #5cc8de;
}

.iosexplain b {
  display: inline-block;
  vertical-align: middle;
  width: 20px;
  height: 20px;
  line-height: 20px;
  margin: -2px 5px 0 0;
  text-align: center;
  background: #2eaac8;
  color: #fff;
  border-radius: 100%;
  font-size: 12px;
}

/* ===== Install info card ===== */
.centerjieshao {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}

.update-info___1KZ0J {
  margin: 40px 16px 0;
  width: 320px;
  max-width: 90vw;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.title___vZvj6 {
  font-weight: 700;
  font-size: 16px;
  color: #f9f9f9;
}

.content___3LVDL {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(249, 249, 249, 0.5);
  line-height: 1.8;
}

/* ===== Footer ===== */
.fixed_web {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 0 40px;
  font-size: 13px;
  color: rgba(249, 249, 249, 0.35);
}

/* ===== Modal ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; bottom: 0;
  width: 100%; height: 75%;
  overflow: auto;
  background: #1a1528;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.6);
}

.modal-content {
  background: #1a1528;
  margin: auto;
  padding: 24px;
  width: 100%; height: 100%;
  box-sizing: border-box;
}

.modal-content h2 {
  font-size: 22px;
  margin: 16px 0;
  text-align: center;
  font-weight: 600;
  color: #f9f9f9;
}

.modal-content p {
  font-size: 14px;
  margin: 24px 0 8px;
  text-align: center;
  font-weight: 600;
  color: #2eaac8;
}

.modal-content img {
  max-width: 300px;
  display: block;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.gb {
  position: sticky;
  top: 0;
  right: 0;
  text-align: right;
  padding: 4px;
  z-index: 1001;
}

.close {
  color: rgba(249, 249, 249, 0.5);
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: #f9f9f9;
}

.hr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin: 24px 0;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.header { animation: fadeInUp 0.8s ease both; }
.center { animation: fadeInUp 0.8s ease both; }
.center:nth-child(4) { animation-delay: 0.1s; }
.center:nth-child(5) { animation-delay: 0.2s; }
.centerjieshao { animation: fadeInUp 0.8s ease both 0.3s; }

/* ===== Mobile responsive ===== */
@media (max-width: 768px) {
  .header { padding: 60px 16px 30px; }
  .logo { width: 80px; height: 80px; }
  .inner-tex h1 { font-size: 28px; }
  .btn { width: 200px; }
  .update-info___1KZ0J { width: 90vw; }
}

/* ===== Hide unused ===== */
#module1, #module2 { display: none; }
.system { display: none; }
.title { display: none; }