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

:root{
  --bg: #000;
  --text: #fff;
  --gold1: #f0dfcf;
  --gold2: #d9b89d;
  --gold3: #c99974;
  --gold4: #a97554;
  --bar1: #3a291e;
  --bar2: #1d140f;
}

html, body {
  width: 100%;
  min-height: 100%;
  background: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

body {
  overflow-x: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(rgba(0,0,0,.12), rgba(0,0,0,.12)),
    url("assets/bg.jpg") center top / cover no-repeat,
    #000;
}

.page {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: #000;
}

.header {
  padding: 22px 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 6px;
  background: rgba(255,255,255,.08);
}

.brand-name {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.main {
  padding-bottom: 28px;
}

.title-block {
  padding: 28px 24px 0;
  text-align: center;
}

.title-line {
  color: var(--gold1);
  font-weight: 900;
  letter-spacing: 2px;
}

.title-1 {
  font-size: 46px;
  line-height: 1.15;
}

.title-2 {
  margin-top: 14px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--gold2);
}

.poster-section {
  padding: 26px 0 0;
}

.poster-box {
  position: relative;
  width: 100%;
  min-height: 760px;
  overflow: hidden;
}

.poster-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.floating-tag {
  position: absolute;
  color: var(--gold1);
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,.45);
  white-space: nowrap;
}

.tag-top-right {
  top: 70px;
  right: 36px;
  font-size: 30px;
}

.tag-left-mid {
  top: 390px;
  left: 26px;
  font-size: 28px;
}

.tag-center {
  top: 525px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
}

.tag-bottom-left {
  bottom: 88px;
  left: 28px;
  font-size: 32px;
}

.tag-bottom-right {
  bottom: 98px;
  right: 32px;
  font-size: 30px;
}

.notice-bar {
  margin-top: -4px;
  padding: 16px 14px;
  text-align: center;
  background:
    linear-gradient(rgba(42,28,20,.92), rgba(24,16,12,.92)),
    url("assets/bar-bg.jpg") center / cover no-repeat;
}

.notice-text {
  color: var(--gold1);
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 2px;
}

.download-row {
  padding: 14px 16px 0;
  display: flex;
  gap: 12px;
}

.download-btn {
  flex: 1;
  min-height: 92px;
  border-radius: 999px;
  background: linear-gradient(180deg, #c7936c 0%, #b47c56 100%);
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
}

.icon-wrap {
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.android-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.btn-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.btn-text strong {
  font-size: 17px;
  line-height: 1.2;
  font-weight: 800;
  white-space: nowrap;
}

.btn-text small {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.2;
  color: rgba(255,255,255,.95);
  white-space: nowrap;
}

@media (max-width: 420px) {
  .page {
    max-width: 100%;
  }

  .header {
    padding: 20px 18px 0;
  }

  .brand-name {
    font-size: 20px;
  }

  .title-block {
    padding: 24px 16px 0;
  }

  .title-1 {
    font-size: 40px;
  }

  .title-2 {
    font-size: 24px;
    margin-top: 10px;
  }

  .poster-box {
    min-height: 680px;
  }

  .tag-top-right {
    top: 64px;
    right: 26px;
    font-size: 24px;
  }

  .tag-left-mid {
    top: 350px;
    left: 16px;
    font-size: 22px;
  }

  .tag-center {
    top: 485px;
    font-size: 22px;
  }

  .tag-bottom-left {
    bottom: 74px;
    left: 18px;
    font-size: 26px;
  }

  .tag-bottom-right {
    bottom: 82px;
    right: 20px;
    font-size: 24px;
  }

  .notice-text {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .download-btn {
    min-height: 84px;
    padding: 0 12px;
  }

  .btn-text strong {
    font-size: 15px;
  }

  .btn-text small {
    font-size: 10px;
  }
}