:root {
  --color-primary: #0A1F44;
  --color-primary-light: #16336B;
  --color-accent: #FF6B35;
  --color-accent-dark: #E55A2B;
  --color-tea: #C4A882;
  --color-tea-light: #D9C7A9;
  --color-bg: #F5F2EE;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-muted: #4A4A4A;
  --color-border: #D8D3CC;
  --font-fallback: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-display: "Impact", "Arial Black", var(--font-fallback);
  --font-body: "Source Serif 4", Georgia, var(--font-fallback);
  --container-width: 1200px;
  --shadow-hard: 8px 8px 0 rgba(10, 31, 68, 0.12);
  --shadow-pill: 0 12px 40px rgba(10, 31, 68, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--color-accent) var(--color-primary);
}

body {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-primary);
}

p {
  overflow-wrap: break-word;
}

a {
  color: var(--color-primary);
}

ul,
ol {
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

::selection {
  background: var(--color-accent);
  color: var(--color-primary);
}

main {
  min-height: 60vh;
}

#main-content {
  scroll-margin-top: 120px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 300;
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: var(--shadow-hard);
  pointer-events: auto;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 24px;
  pointer-events: none;
  transition: top 0.3s ease;
}

.site-header.is-scrolled {
  top: 8px;
}

.nav-pill {
  position: relative;
  pointer-events: auto;
  width: 100%;
  max-width: var(--container-width);
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(10, 31, 68, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 12px 20px;
  box-shadow: var(--shadow-pill);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled .nav-pill {
  padding-top: 8px;
  padding-bottom: 8px;
  box-shadow: 0 8px 28px rgba(10, 31, 68, 0.45);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-tea));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 5;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: #F5F2EE;
  white-space: nowrap;
}

.brand-accent {
  font-style: normal;
  color: var(--color-accent);
}

.site-nav {
  display: block;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-fallback);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-list a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.nav-list a[aria-current="page"] {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 28px;
  font-family: var(--font-fallback);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  box-shadow: 6px 6px 0 rgba(255, 107, 53, 0.25);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(255, 107, 53, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  box-shadow: 6px 6px 0 var(--color-accent);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

.btn-dark:hover {
  background: transparent;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-my-team {
  padding: 10px 18px;
  font-size: 0.9rem;
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  box-shadow: 3px 3px 0 rgba(255, 255, 255, 0.14);
}

.btn-my-team:hover {
  background: var(--color-tea);
  border-color: var(--color-tea);
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(255, 255, 255, 0.1);
}

.icon-btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.icon-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 16px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  margin-top: 5rem;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  border-top: 4px solid var(--color-accent);
}

.footer-inner {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
}

.footer-col {
  min-width: 0;
}

.footer-logo {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.footer-slogan {
  color: var(--color-tea);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
}

.footer-trust {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 40ch;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--color-tea);
  text-transform: uppercase;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.contact-label {
  display: inline-block;
  min-width: 3.5em;
  color: var(--color-tea);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-right: 6px;
}

.contact-note {
  margin-top: 10px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  max-width: 44ch;
}

.footer-bottom {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.42);
}

.footer-copyright,
.footer-icp {
  margin: 0;
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

.page-section {
  padding-block: 72px;
}

.section-kicker {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 32px;
}

.prose {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  max-width: 720px;
}

.prose p + p {
  margin-top: 1.2em;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 24px 0 16px;
}

.breadcrumbs a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.breadcrumbs a:hover {
  border-bottom-color: var(--color-accent);
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-tea);
  margin-right: 0.5rem;
}

.grid {
  display: grid;
  gap: 28px;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.card {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  box-shadow: var(--shadow-hard);
  padding: 28px;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-pill {
    padding: 10px 16px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 60;
    background: rgba(10, 31, 68, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 12px;
    box-shadow: var(--shadow-pill);
    margin-left: 0;
  }

  .site-nav[data-open] {
    display: block;
    animation: navDrop 0.25s ease;
  }

  @keyframes navDrop {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .nav-list a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .btn-my-team {
    padding: 10px 14px;
  }
}

@media (max-width: 767px) {
  .site-header {
    padding: 0 12px;
  }

  .nav-pill {
    gap: 8px;
    border-radius: 999px;
    padding: 8px 12px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .nav-actions {
    gap: 6px;
  }

  .btn-my-team {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
  }

  .btn-my-team span {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 0 32px;
  }

  .footer-bottom {
    padding-top: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-section {
    padding-block: 48px;
  }
}

@media (min-width: 901px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}