.member-auth-page {
  background: #f3f5f7;
  min-width: 1200px;
  min-height: 100vh;
}

.auth-card {
  width: 420px;
  margin: 48px auto 80px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(23, 87, 206, 0.12);
  padding: 28px 32px 24px;
  border-top: 4px solid #1757ce;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  height: 40px;
  border: 1px solid #d0d7e2;
  background: #f7f9fc;
  color: #555;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  font-family: inherit;
}

.auth-tab.active {
  background: #1757ce;
  border-color: #1757ce;
  color: #fff;
  font-weight: 600;
}

.auth-form h2 {
  font-size: 18px;
  margin-bottom: 6px;
  color: #191e27;
}

.auth-tip {
  font-size: 12px;
  color: #888;
  margin-bottom: 16px;
  line-height: 1.5;
}

.auth-form label {
  display: block;
  font-size: 13px;
  color: #555;
  margin: 12px 0 6px;
}

.auth-form input {
  width: 100%;
  height: 40px;
  border: 1px solid #d0d7e2;
  border-radius: 4px;
  padding: 0 12px;
  font-size: 14px;
  font-family: inherit;
  box-sizing: border-box;
}

.auth-form input:focus {
  outline: none;
  border-color: #1757ce;
  box-shadow: 0 0 0 2px rgba(23, 87, 206, 0.12);
}

.auth-btn {
  width: 100%;
  height: 42px;
  margin-top: 22px;
  border: none;
  border-radius: 4px;
  background: #1757ce;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.auth-btn:hover {
  opacity: 0.92;
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-msg {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.5;
}

.auth-msg.ok {
  background: #f6ffed;
  color: #389e0d;
  border: 1px solid #b7eb8f;
}

.auth-msg.err {
  background: #fff1f0;
  color: #cf1322;
  border: 1px solid #ffa39e;
}

.auth-back {
  text-align: center;
  margin-top: 18px;
}

.auth-back a {
  color: #0170d7;
  font-size: 13px;
}