front/src/views/site/styles/main.css

:root {
  --kc-brand: #054f74;
  --kc-brand-hover: #054b6e;
  --kc-brand-rgb: 5, 79, 116;
  --kc-brand-soft: #e0edf2;
  --kc-primary: #054f74;
  --kc-primary-rgb: 5, 79, 116;
  --kc-secondary: #3d6678;
  --kc-tertiary: #054f74;
  --kc-tertiary-rgb: 5, 79, 116;
  --kc-page-bg: #f0f3f4;
  --kc-neutral: #faf8f6;
  --kc-surface: #ffffff;
  --kc-border: #e0d9cc;
  --kc-border-soft: #ebe4d8;
  --kc-text: #1a2e38;
  --kc-text-muted: #4a6270;
  --kc-on-primary: #ffffff;
  --kc-radius-sm: 10px;
  --kc-radius-md: 20px;
  --kc-radius-lg: 32px;
  --font-default: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Microsoft YaHei', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-primary: var(--font-default);
  --font-secondary: var(--font-default);
  --color-default: var(--kc-primary);
  --color-primary: var(--kc-primary);
  --color-secondary: var(--kc-secondary);
}

body.command-home {
  background: #f3f5f6;
  color: var(--kc-text);
  font-family: var(--font-default);
  font-size: 1.05rem;
  line-height: 1.55;
}

body.command-home a {
  text-decoration: none;
}

html.command-home,
body.command-home {
  overflow-x: hidden;
}

.header {
  z-index: 997;
  padding: 30px 0;
}

.header .logo img {
  max-height: 78px;
  margin-right: 8px;
}

.header .logo h1 {
  margin: 0;
  color: var(--kc-primary);
  font-family: var(--font-primary);
  font-size: 2.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.05;
}

.brand-lockup h1 {
  margin: 0;
  color: var(--kc-primary);
  font-family: var(--font-primary);
  font-size: 2.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-lockup .brand-fullname {
  margin-top: 2px;
  color: var(--kc-secondary);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.85;
  white-space: nowrap;
}

@media (max-width: 991px) {
  .brand-lockup .brand-fullname {
    display: none;
  }
}

@media (min-width: 1280px) {
  .navbar {
    padding: 0;
  }

  .navbar ul {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .navbar li {
    position: relative;
  }

  .navbar a,
  .navbar a:focus {
    display: flex;
    align-items: center;
    padding: 10px 0 10px 22px;
    color: var(--kc-secondary);
    font-family: var(--font-primary);
    font-size: 1.05rem;
    font-weight: 600;
    white-space: nowrap;
    transition: 0.3s;
  }

  .navbar a:hover,
  .navbar .active,
  .navbar .active:focus,
  .navbar li:hover > a {
    color: var(--kc-primary);
  }

  .mobile-nav-show,
  .mobile-nav-hide {
    display: none;
  }
}

@media (max-width: 1279px) {
  .navbar {
    position: fixed;
    top: 0;
    right: -100%;
    bottom: 0;
    z-index: 9997;
    width: 100%;
    max-width: 400px;
    transition: 0.3s;
  }

  .navbar ul {
    position: absolute;
    inset: 0;
    z-index: 9998;
    margin: 0;
    padding: 50px 0 10px;
    overflow-y: auto;
    background: var(--kc-primary);
    border-top-left-radius: var(--kc-radius-lg);
    border-bottom-left-radius: var(--kc-radius-lg);
    transition: 0.3s;
  }

  .navbar a,
  .navbar a:focus {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 500;
    white-space: nowrap;
  }

  .navbar a:hover,
  .navbar .active,
  .navbar .active:focus,
  .navbar li:hover > a {
    color: #fff;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: none;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-toggle .si {
    font-size: 26px;
    line-height: 1;
  }

  .mobile-nav-show {
    z-index: 9999;
    margin-right: 2px;
    color: #fff;
  }

  .mobile-nav-hide {
    position: fixed;
    top: max(16px, env(safe-area-inset-top, 0px));
    right: max(14px, env(safe-area-inset-right, 0px));
    z-index: 9999;
    color: #fff;
  }

  .mobile-nav-active {
    overflow: hidden;
  }

  .mobile-nav-active .navbar {
    right: 0;
  }

  .mobile-nav-active .navbar:before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9996;
    background: rgba(14, 29, 52, 0.8);
  }
}

.language-toggle-link,
.language-toggle-link:focus {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  width: auto;
  height: 36px;
  margin-left: 14px;
  padding: 0 4px 0 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--kc-text-muted);
  font-size: 1rem;
  font-weight: 400;
  cursor: pointer;
}

.language-toggle-link .language-toggle-icon {
  flex-shrink: 0;
  width: 1em;
  height: 1em;
  font-size: 1.05rem;
  line-height: 1;
}

.language-toggle-link:hover {
  background: color-mix(in srgb, var(--kc-brand) 8%, var(--kc-surface));
  color: var(--kc-primary);
}