body {
  margin: 0;
  font-family: "Microsoft YaHei UI", sans-serif;
  background: radial-gradient(circle at top, #103b68, #051220 58%);
  color: #eef8ff;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.hero,
.panel {
  border: 1px solid rgba(74, 215, 243, 0.25);
  background: rgba(8, 24, 46, 0.84);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}

.hero {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  align-items: center;
  padding: 24px 28px;
}

.hero-mark {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(74, 215, 243, 0.42);
  color: #7ff2ff;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 6px;
  background: linear-gradient(180deg, rgba(26, 72, 110, 0.8), rgba(8, 22, 39, 0.8));
  box-shadow: inset 0 0 36px rgba(74, 215, 243, 0.2), 0 0 34px rgba(74, 215, 243, 0.12);
}

.hero-copy h1 {
  margin: 0 0 8px;
  font-size: 36px;
}

.hero-copy p {
  margin: 0;
  color: #b7ddef;
  font-size: 16px;
}

.panel {
  margin-top: 18px;
  padding: 22px 24px;
}

.panel h2 {
  margin: 0 0 18px;
  color: #77eaff;
}

.plan-grid,
.pay-actions {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.plan-card,
.pay-button {
  cursor: pointer;
  border: 1px solid rgba(74, 215, 243, 0.28);
  background: #0d2542;
  color: #eef8ff;
  border-radius: 16px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
}

.plan-card input {
  margin-bottom: 8px;
}

.plan-name {
  font-weight: 700;
  font-size: 18px;
}

.plan-price {
  color: #77eaff;
  font-size: 24px;
  font-weight: 800;
}

.plan-days {
  color: #9ec8dc;
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-grid span {
  color: #b7ddef;
}

.form-grid input {
  border: 1px solid rgba(74, 215, 243, 0.28);
  background: #09192d;
  color: #eef8ff;
  border-radius: 12px;
  padding: 12px 14px;
}

.pay-button {
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 700;
}

.payment-result,
.activation-box {
  margin-top: 18px;
}

.result-card,
.activation-box {
  border-radius: 18px;
  border: 1px solid rgba(74, 215, 243, 0.24);
  background: rgba(6, 18, 35, 0.82);
  padding: 18px;
}

.qr-box {
  display: flex;
  justify-content: center;
  min-height: 240px;
  align-items: center;
}

.qr-box img {
  width: 240px;
  height: 240px;
  background: white;
  padding: 10px;
  border-radius: 12px;
}

.redirect-link,
#activationCode {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #103456;
  color: #77eaff;
}

.hidden {
  display: none;
}

.admin-session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 14px 18px;
  border: 1px solid rgba(74, 215, 243, 0.28);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(11, 33, 64, 0.96), rgba(8, 22, 39, 0.88));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.admin-session-bar strong {
  margin-right: 12px;
  color: #7ff2ff;
}

.admin-session-bar span {
  margin-right: 10px;
  color: #b7ddef;
}

.admin-session-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-session-actions a,
.admin-session-actions button,
.primary-action {
  cursor: pointer;
  border: 1px solid rgba(74, 215, 243, 0.3);
  border-radius: 12px;
  background: #0d2542;
  color: #eef8ff;
  padding: 10px 14px;
  font-weight: 700;
  text-decoration: none;
}

.admin-session-actions button,
.primary-action {
  background: linear-gradient(135deg, #28b9d6, #4ad7f3);
  color: #031522;
}

.login-shell {
  max-width: 980px;
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
  gap: 0;
  margin: 7vh auto;
  border: 1px solid rgba(74, 215, 243, 0.26);
  background: rgba(8, 24, 46, 0.86);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.login-visual,
.login-card {
  padding: 44px;
}

.login-visual {
  background:
    radial-gradient(circle at 22% 20%, rgba(74, 215, 243, 0.26), transparent 28%),
    linear-gradient(145deg, rgba(8, 34, 66, 0.96), rgba(5, 13, 26, 0.98));
}

.login-visual h1 {
  margin: 20px 0 14px;
  font-size: 42px;
}

.login-visual p {
  color: #b7ddef;
  font-size: 16px;
  line-height: 1.8;
}

.login-card {
  background: rgba(5, 14, 28, 0.72);
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  color: #b7ddef;
}

.login-card input,
.login-card textarea,
.login-card select {
  border: 1px solid rgba(74, 215, 243, 0.28);
  background: #09192d;
  color: #eef8ff;
  border-radius: 12px;
  padding: 12px 14px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.pill-list span {
  border: 1px solid rgba(74, 215, 243, 0.24);
  border-radius: 999px;
  padding: 8px 12px;
  color: #9ec8dc;
  background: rgba(13, 37, 66, 0.72);
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .login-shell {
    grid-template-columns: 1fr;
    margin: 24px;
  }

  .admin-session-bar {
    align-items: flex-start;
    flex-direction: column;
  }
}