:root {
  --navy: #0A2A43;
  --grey: #5B7C99;
  --coral: #FF7A45;
  --foam: #F5F8FC;
  --aqua: #1B9AAA;
  --ink: #101820;
  --mist: #A8C6DF;
  --signal: #E63B2E;
  --sand: #E8B04B;
  --night: #06121C;
  --font-display: "Arial Black", "Impact", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --header-h: 64px;
  --rail: 260px;
  --page-gutter: clamp(20px, 3vw, 40px);
  --content-width: 1280px;
  --radius: 18px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow-sm: 0 8px 20px rgba(6, 18, 28, .08);
  --shadow-lg: 0 24px 60px rgba(6, 18, 28, .18);
  --header-gradient: linear-gradient(140deg, #0A2A43 0%, #06121C 78%);
  --coral-soft: rgba(255, 122, 69, .16);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--foam);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

body, h1, h2, h3, h4, p, ul, ol {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

p {
  margin-bottom: .8em;
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: color .22s ease;
}

a:hover {
  color: var(--coral);
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

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

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--coral);
  color: #fff;
}

.skip-link {
  position: fixed;
  left: 50%;
  top: 12px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 22px;
  border-radius: 999px;
  background: var(--foam);
  color: var(--navy);
  font-weight: 700;
  border: 2px solid var(--coral);
  box-shadow: var(--shadow-lg);
  transform: translate(-50%, -220%);
  transition: transform .25s ease;
}

.skip-link:focus {
  transform: translate(-50%, 0);
  color: var(--ink);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  display: flex;
  width: var(--rail);
  height: 100vh;
  background: var(--header-gradient);
  color: var(--foam);
  box-shadow: inset -1px 0 0 rgba(245, 248, 252, .08);
  isolation: isolate;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .16;
  background: repeating-linear-gradient(115deg, transparent 0 18px, rgba(245, 248, 252, .12) 18px 19px, transparent 19px 44px);
}

.header-shell {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px 16px 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 8px 14px;
  border-bottom: 1px solid rgba(245, 248, 252, .14);
}

.brand-mark {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1;
  color: #fff;
}

.brand-accent {
  color: var(--coral);
}

.brand-tag {
  display: block;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--mist);
}

.site-nav {
  margin-top: 20px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  position: relative;
  display: block;
  padding: 11px 14px 11px 18px;
  border-left: 3px solid transparent;
  border-radius: 0 10px 10px 0;
  color: var(--mist);
  font-size: 16px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 20px;
  bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(245, 248, 252, .06);
  border-left-color: var(--coral);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: #fff;
  background: linear-gradient(90deg, var(--coral-soft), rgba(255, 122, 69, 0));
  border-left-color: var(--coral);
}

.header-meta {
  margin-top: auto;
  padding: 16px 8px 0;
}

.site-search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(168, 198, 223, .35);
  border-radius: 999px;
  background: rgba(245, 248, 252, .05);
  color: var(--mist);
}

.site-search::before {
  content: "⌕";
  font-size: 18px;
  color: var(--coral);
}

.site-search-text {
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
  border: 1px solid rgba(245, 248, 252, .3);
  border-radius: 12px;
  background: rgba(245, 248, 252, .08);
  color: var(--foam);
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 65;
  background: rgba(6, 18, 28, .58);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.nav-backdrop[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}

.site-main {
  margin-left: var(--rail);
  min-height: 60vh;
}

.site-footer {
  position: relative;
  margin-left: var(--rail);
  background: var(--night);
  color: var(--mist);
}

.footer-wave {
  position: absolute;
  left: 0;
  right: 0;
  top: -18px;
  height: 18px;
  pointer-events: none;
  background: radial-gradient(circle at 24px 18px, var(--night) 17px, transparent 18px) repeat-x;
  background-size: 48px 18px;
}

.footer-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.1fr 1.6fr;
  gap: 36px;
  max-width: var(--content-width);
  margin-inline: auto;
  padding: 64px var(--page-gutter) 40px;
}

.footer-block ul {
  display: grid;
  gap: 10px;
}

.footer-block a {
  color: var(--mist);
  font-size: 15px;
  transition: color .2s ease, padding-left .2s ease;
}

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

.footer-title {
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sand);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 30px;
  color: #fff;
}

.footer-slogan {
  margin-top: 12px;
  color: #dfeaf5;
  font-size: 17px;
  font-weight: 600;
}

.footer-trust {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--coral);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.footer-contact-line {
  line-height: 1.8;
  font-size: 14px;
}

.footer-note {
  margin-top: 8px;
  color: var(--grey);
  font-size: 12px;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--content-width);
  margin-inline: auto;
  padding: 20px var(--page-gutter);
  border-top: 1px solid rgba(168, 198, 223, .18);
  color: var(--grey);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

.page-shell {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: 56px var(--page-gutter) 80px;
}

.section {
  position: relative;
  max-width: var(--content-width);
  margin-inline: auto;
  padding: clamp(56px, 8vw, 96px) var(--page-gutter);
}

.section-head {
  margin-bottom: 32px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding-left: 2px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .16em;
}

.section-kicker::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 4px;
  border-radius: 4px;
  background: var(--coral);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--navy);
  transform: skewX(-3deg);
}

.section-sub {
  max-width: 720px;
  margin-top: 12px;
  color: var(--grey);
  font-size: 17px;
  line-height: 1.8;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 10px;
  color: var(--grey);
  font-size: 14px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--mist);
}

.breadcrumb-link {
  color: var(--grey);
}

.breadcrumb-link:hover {
  color: var(--coral);
}

.breadcrumb-current {
  color: var(--navy);
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gap-sm {
  gap: 12px;
}

.gap-lg {
  gap: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--navy);
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.button-primary {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 122, 69, .3);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 122, 69, .36);
  color: #fff;
}

.button-ghost {
  border-color: var(--mist);
  color: var(--navy);
  background: transparent;
}

.button-ghost:hover {
  border-color: var(--coral);
  background: var(--coral-soft);
  color: var(--coral);
}

.glass-card {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(245, 248, 252, .65);
  border-radius: var(--radius);
  background: rgba(245, 248, 252, .72);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.info-card {
  padding: 22px;
  border: 1px solid rgba(91, 124, 153, .18);
  border-radius: var(--radius);
  background: var(--foam);
}

.stat-card {
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--navy), #123a5c);
  box-shadow: var(--shadow-sm);
  color: #fff;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  color: var(--coral);
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--mist);
  font-size: 14px;
  letter-spacing: .08em;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid rgba(27, 154, 170, .22);
  border-radius: 999px;
  background: rgba(27, 154, 170, .1);
  color: var(--aqua);
  font-size: 13px;
  font-weight: 700;
}

.tag-coral {
  border-color: rgba(255, 122, 69, .3);
  background: var(--coral-soft);
  color: var(--coral);
}

.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy), var(--aqua));
  box-shadow: var(--shadow-sm);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, transparent 0 20px, rgba(255, 255, 255, .08) 20px 21px, transparent 21px 48px);
  mix-blend-mode: overlay;
}

.media-frame img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame[data-ratio="wide"] {
  aspect-ratio: 21 / 9;
}

.media-frame[data-ratio="square"] {
  aspect-ratio: 1 / 1;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  will-change: opacity, transform;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  box-shadow: 0 12px 28px rgba(255, 122, 69, .35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: #ff8f63;
  color: #fff;
}

@media (max-width: 1023.98px) {
  :root {
    --rail: 0px;
  }

  .site-header {
    width: 100%;
    height: var(--header-h);
    box-shadow: 0 4px 20px rgba(6, 18, 28, .18);
  }

  .header-shell {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
  }

  .brand {
    flex-direction: row;
    align-items: baseline;
    gap: 6px;
    padding: 0;
    border-bottom: 0;
  }

  .brand-mark {
    font-size: 24px;
  }

  .brand-tag {
    display: none;
  }

  .header-meta {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 68;
    width: min(320px, 82vw);
    height: 100vh;
    margin: 0;
    padding: 96px 20px 32px;
    background: linear-gradient(150deg, #0A2A43, #06121C);
    box-shadow: 6px 0 30px rgba(6, 18, 28, .2);
    transform: translateX(-105%);
    visibility: hidden;
    transition: transform .35s var(--ease), visibility .35s ease;
  }

  .site-nav[data-open="true"] {
    transform: translateX(0);
    visibility: visible;
    box-shadow: 10px 0 40px rgba(6, 18, 28, .35);
  }

  .site-main {
    margin-left: 0;
    padding-top: var(--header-h);
  }

  .site-footer {
    margin-left: 0;
  }

  .footer-shell {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 48px 20px 28px;
  }

  .footer-bottom {
    padding: 16px 20px;
  }

  .to-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 640px) {
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding-inline: 18px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .site-nav,
  .nav-backdrop {
    transition: none;
  }
}