:root {
  --font-size-base: 14px;
  --line-height-base: 22px;
  --font-size-sm: 13px;
  --line-height-sm: 20px;
  --font-size-xs: 12px;
  --line-height-xs: 18px;
  --login-orange: #ff7d00;
  --login-orange-deep: #ff4d00;
  --login-ink: #1d2129;
  --login-muted: #6b7280;
  --login-border: #dfe5ee;
  --login-card: rgba(255, 255, 255, 0.90);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--login-ink);
  background: #f7f8fb;
  font-family: Inter, "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1;
  letter-spacing: 0em;
}

.login-shell {
  min-height: 100vh;
  width: 100%;
  background: linear-gradient(135deg, #fff8f1 0%, #f7f8fb 48%, #eef4ff 100%);
}

.login-stage {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  align-items: center;
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(28px, 5vw, 64px) clamp(34px, 7vw, 96px);
  overflow: hidden;
  background-image: url('/static/img/login-hero-20260603.png?v=20260603-1');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.login-brand-panel,
.login-card-wrap {
  position: relative;
  z-index: 1;
}

.login-brand-panel {
  max-width: 520px;
  opacity: 0;
  pointer-events: none;
}

.login-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(28px, 5vw, 54px);
}

.login-brand-mark img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(255, 125, 0, 0.26);
}

.login-brand-mark span {
  color: #202632;
  font-size: 24px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.login-kicker {
  display: inline-flex;
  align-items: center;
  height: 30px;
  margin-bottom: 18px;
  padding: 0 13px;
  border: 1px solid rgba(255, 125, 0, 0.18);
  border-radius: 999px;
  color: #c64d00;
  background: rgba(255, 255, 255, 0.62);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-sm);
  font-weight: 800;
}

.login-title {
  margin: 0;
  max-width: 580px;
  color: #171b23;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.055em;
  text-wrap: pretty;
}

.login-subtitle {
  margin: 22px 0 0;
  max-width: 520px;
  color: #5b6472;
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.7;
  font-weight: 600;
  text-wrap: pretty;
}

.login-card-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.login-card {
  width: min(420px, calc(100vw - 40px));
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 28px;
  background: var(--login-card);
  box-shadow: 0 28px 80px rgba(31, 35, 41, 0.14), 0 1px 0 rgba(255, 255, 255, 0.88) inset;
  backdrop-filter: blur(18px);
}

.login-card-header {
  margin-bottom: 26px;
}

.login-card-title {
  margin: 0;
  color: #171b23;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.login-card-note {
  margin: 8px 0 0;
  color: var(--login-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-sm);
  font-weight: 600;
}

.login-platform-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.login-platform-logo {
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid rgba(31, 35, 41, 0.08);
  border-radius: 999px;
  background: #fff;
  color: #1f2937;
  font-size: 12px;
  line-height: 18px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(31, 35, 41, 0.06);
}

.login-platform-logo.logo-xhs {
  color: #ff2442;
  border-color: rgba(255, 36, 66, 0.18);
  background: #fff6f7;
}

.login-platform-logo.logo-bili {
  color: #00a1d6;
  border-color: rgba(0, 161, 214, 0.20);
  background: #f2fbff;
}

.login-platform-logo.logo-alipay {
  color: #1677ff;
  border-color: rgba(22, 119, 255, 0.20);
  background: #f2f7ff;
}

.login-live-form {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-live-label {
  display: block;
  margin-bottom: 8px;
  color: #2c3440;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-sm);
  font-weight: 800;
}

.login-field-group {
  width: 100%;
}

.login-live-field {
  width: 100%;
  height: 52px;
  border: 1px solid #dfe5ee;
  border-radius: 14px;
  outline: none;
  color: #1d2129;
  background: #f6f8ff;
  caret-color: var(--login-orange);
  font-size: 16px;
  line-height: 1.2;
  padding: 0 16px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.86) inset;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.login-live-field::placeholder {
  color: #9aa4b2;
}

.login-live-field:focus {
  border-color: rgba(255, 125, 0, 0.52);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 125, 0, 0.13);
}

.login-live-remember {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: #4e5969;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-sm);
  font-weight: 700;
}

.login-live-remember input {
  width: 18px;
  height: 18px;
  margin: 0;
  opacity: 1;
  accent-color: var(--login-orange);
}

.login-live-submit {
  width: 100%;
  height: 54px;
  margin-top: 2px;
  border: 0;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(90deg, #ff8a00 0%, var(--login-orange-deep) 100%);
  box-shadow: 0 14px 28px rgba(255, 96, 0, 0.30);
  font-size: 18px;
  line-height: 1;
  font-weight: 900;
  cursor: pointer;
  opacity: 1;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

.login-live-field:-webkit-autofill,
.login-live-field:-webkit-autofill:hover,
.login-live-field:-webkit-autofill:focus {
  -webkit-text-fill-color: #1d2129;
  caret-color: var(--login-orange);
  box-shadow: 0 0 0 1000px #f6f8ff inset;
  transition: background-color 999999s ease-in-out 0s;
}

.login-live-submit:hover {
  filter: brightness(1.02);
  box-shadow: 0 16px 32px rgba(255, 96, 0, 0.34);
  transform: translateY(-1px);
}

.login-alert {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-sm);
  font-weight: 700;
}

.login-alert-error {
  color: #b42318;
  background: rgba(255, 241, 240, 0.94);
}

.login-alert-success {
  color: #027a48;
  background: rgba(236, 253, 243, 0.94);
}

@media (max-width: 900px) {
  .login-stage {
    min-height: 100vh;
    grid-template-columns: 1fr;
    align-content: end;
    gap: 0;
    padding: 0 20px 32px;
    background-image: url('/static/img/login-mobile-hero-20260603.png?v=20260603-1');
    background-size: cover;
    background-position: center;
  }

  .login-brand-panel {
    display: none;
  }

  .login-card-wrap {
    justify-content: center;
  }

  .login-card {
    width: min(420px, calc(100vw - 40px));
    padding: 26px 22px;
    border-radius: 24px;
  }

  .login-card-header {
    margin-bottom: 22px;
  }

  .login-card-title {
    font-size: 24px;
  }
}

@media (max-width: 420px) {
  .login-stage {
    padding: 0 14px 20px;
  }

  .login-card {
    width: 100%;
    padding: 22px 18px;
  }

  .login-live-field,
  .login-live-submit {
    height: 50px;
  }
}