.auth-main {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 110px 20px 60px;
  background: radial-gradient(ellipse at 30% 20%, rgba(229, 9, 20, 0.12), transparent 45%),
    radial-gradient(ellipse at 75% 80%, rgba(30, 120, 180, 0.12), transparent 50%),
    var(--bg-primary);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.auth-head {
  text-align: center;
  margin-bottom: 26px;
}

.auth-head .logo {
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
}

.auth-head h1 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.auth-head p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.auth-tabs {
  display: flex;
  background: var(--bg-primary);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab.active {
  background: var(--accent);
  color: #fff;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus {
  border-color: var(--accent);
}

.auth-error {
  color: var(--accent);
  font-size: 0.85rem;
  min-height: 20px;
  margin-bottom: 8px;
}

.auth-submit {
  width: 100%;
  padding: 12px 0;
  font-size: 1rem;
  margin-top: 4px;
}

.auth-tip {
  margin-top: 22px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.auth-tip strong {
  color: var(--text-secondary);
}

/* VIP 会员中心 */
.vip-badge-text {
  color: #ffb400;
  font-weight: 600;
}

.vip-status {
  text-align: center;
  padding: 20px 0 6px;
}

.vip-status.vip-active .vip-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.vip-status p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.plan-list {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 10px 0 0;
  flex-wrap: wrap;
}

.qr-block {
  display: flex;
  justify-content: center;
  padding: 18px 0 6px;
}

.qr-img {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
  background: #fff;
}

.qr-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.06);
}

.contact-list {
  padding: 14px 0 0;
}

.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-value {
  color: var(--text-primary);
  font-weight: 700;
}

.plan-card {
  width: 100%;
  max-width: 320px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 24px;
  text-align: center;
}

.plan-card.plan-popular {
  border-color: #ffb400;
  box-shadow: 0 0 30px rgba(255, 180, 0, 0.15);
}

.plan-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.plan-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffb400;
  margin: 12px 0;
}

.plan-price span {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  text-align: left;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.plan-features li {
  padding: 6px 0;
}