    @font-face {
      font-family: 'Noto Sans KR'; font-style: normal; font-weight: 400;
      src: url(//fonts.gstatic.com/ea/notosanskr/v2/NotoSansKR-Regular.woff2) format('woff2'),
           url(//fonts.gstatic.com/ea/notosanskr/v2/NotoSansKR-Regular.woff) format('woff'),
           url(//fonts.gstatic.com/ea/notosanskr/v2/NotoSansKR-Regular.otf) format('opentype');
    }
    body {
      margin: 0 auto;
      font-family: 'Noto Sans KR', sans-serif;
      background: #f5f7fb;
    }
    a {
      text-decoration: none;
      color: #333;
    }
/* ===== 공통 로그인 화면 스타일 ===== */
#con {
  width: 100%;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 18%, rgba(29, 32, 138, 0.16), transparent 28%),
    radial-gradient(circle at 82% 72%, rgba(255, 120, 80, 0.14), transparent 30%),
    linear-gradient(135deg, #f7f8fc 0%, #eef1f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

#con::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  top: -120px;
  right: -120px;
}

#con::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(29,32,138,0.08);
  bottom: -100px;
  left: -80px;
}

#login {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  z-index: 1;
}

#login_form {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 44px 42px 34px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 24px;
  box-sizing: border-box;
  text-align: center;
  box-shadow:
    0 24px 60px rgba(24, 32, 79, 0.16),
    0 6px 18px rgba(24, 32, 79, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.75);
}

#login_form img {
  width: 140px;
  max-width: 42vw;
  margin-bottom: 12px;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.08));
}

.login {
  margin: 6px 0 18px;
  font-size: 22px;
  font-weight: 900;
  color: #20243a;
  letter-spacing: -0.5px;
}

.login_text {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  background: #f8f9fc;
  border: 1px solid #e0e4ee;
  border-radius: 12px;
  box-sizing: border-box;
  font-size: 14px;
  color: #222;
  outline: none;
  transition: all 0.18s ease;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.03);
}

.login_text:focus {
  border-color: #1D208A;
  background: #fff;
  box-shadow:
    0 0 0 4px rgba(29,32,138,0.10),
    inset 0 1px 2px rgba(0,0,0,0.02);
}

.login_btn {
  width: 100%;
  height: 48px;
  margin-top: 18px;
  font-size: 15px;
  font-weight: 800;
  background: linear-gradient(135deg, #1D208A, #3539c9);
  color: #fff;
  border: none;
  cursor: pointer;
  border-radius: 14px;
  transition: all 0.18s ease;
  box-shadow: 0 10px 22px rgba(29,32,138,0.28);
}

.login_btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(29,32,138,0.34);
}

.login_btn:disabled {
  background: #c8ccd6;
  color: #f1f1f1;
  cursor: not-allowed;
  box-shadow: none;
}

hr {
  margin: 22px 0;
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, #d9deea, transparent);
}

.find {
  margin: 0;
  color: #8a90a3;
  font-size: 12px;
  text-align: right;
}

.find span {
  padding-left: 10px;
}

.find a:hover {
  color: #1D208A;
}

/* ===== 모바일 최적화 ===== */
@media (max-width: 480px) {
  #login {
    padding: 16px;
  }

  #login_form {
    max-width: 360px;
    padding: 32px 24px 28px;
    border-radius: 20px;
  }

  #login_form img {
    width: 170px;
    max-width: 50vw;
  }

  .login {
    font-size: 20px;
  }

  .login_text {
    height: 44px;
    font-size: 14px;
  }

  .login_btn {
    height: 46px;
  }
}
