*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}
body {
  font-family: 'Noto Serif SC', 'Georgia', 'Times New Roman', serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  color: #FFFFFF;
  background-color: #0A192F;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
:root {
  --primary: #0A192F;
  --primary-light: #1A2A3A;
  --accent: #FF6B35;
  --accent-soft: rgba(255, 107, 53, 0.15);
  --accent-hover: #e85a2a;
  --gray: #8A8D93;
  --gray-light: #b0b3b9;
  --card-bg: #2C3E50;
  --white: #FFFFFF;
  --success: #27AE60;
  --danger: #E74C3C;
  --font-head: 'Poppins', 'Helvetica Neue', 'Arial', sans-serif;
  --font-body: 'Noto Serif SC', 'Georgia', 'Times New Roman', serif;
  --font-data: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 100px;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1440px;
  --header-h: 72px;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.1rem, 1.8vw, 1.4rem); }
p { margin-bottom: 1rem; }
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus-visible {
  color: var(--accent-hover);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
::selection {
  background: var(--accent);
  color: var(--white);
}
.skip-link {
  position: absolute;
  top: -1000px;
  left: 16px;
  background: var(--accent);
  color: var(--white);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 10000;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 16px;
}
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container { padding: 0 40px; }
}
@media (min-width: 1200px) {
  .container { padding: 0 64px; }
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 25, 47, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
@media (min-width: 768px) {
  .header-inner { padding: 0 40px; }
}
@media (min-width: 1200px) {
  .header-inner { padding: 0 64px; }
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  transition: opacity var(--transition);
}
.site-brand:hover {
  color: var(--white);
  opacity: 0.85;
}
.brand-icon {
  font-size: 1.6rem;
  line-height: 1;
}
.brand-text {
  background: linear-gradient(135deg, #FFFFFF 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  z-index: 1001;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.site-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: rgba(10, 25, 47, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 80px 24px 40px;
  z-index: 999;
  overflow-y: auto;
}
.site-nav[data-open] {
  display: flex;
}
.nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}
.nav-list li {
  width: 100%;
  text-align: center;
}
.nav-list a {
  display: block;
  padding: 12px 24px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--gray-light);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.nav-list a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}
.nav-list a[aria-current="page"] {
  color: var(--white);
  background: var(--accent-soft);
  border: 1px solid rgba(255, 107, 53, 0.25);
  font-weight: 600;
}
.nav-cta {
  display: inline-block;
  padding: 12px 32px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  letter-spacing: 0.01em;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}
.nav-cta:hover {
  background: var(--accent-hover);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
  transform: translateY(-1px);
}
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    width: auto;
    height: auto;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    gap: 8px;
    overflow: visible;
  }
  .nav-list {
    flex-direction: row;
    gap: 4px;
    max-width: none;
    width: auto;
  }
  .nav-list li { width: auto; }
  .nav-list a {
    padding: 8px 18px;
    font-size: 0.9rem;
    color: var(--gray-light);
    border-radius: var(--radius-full);
    white-space: nowrap;
  }
  .nav-list a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
  }
  .nav-list a[aria-current="page"] {
    color: var(--white);
    background: var(--accent-soft);
    border: 1px solid rgba(255, 107, 53, 0.2);
  }
  .nav-cta {
    padding: 8px 24px;
    font-size: 0.85rem;
    margin-left: 12px;
    flex-shrink: 0;
  }
}
@media (min-width: 1024px) {
  .nav-list a { padding: 10px 22px; font-size: 0.95rem; }
  .nav-cta { padding: 10px 28px; font-size: 0.9rem; }
}
.site-footer {
  background: var(--primary-light);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 32px;
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .footer-inner { padding: 0 40px; }
}
@media (min-width: 1200px) {
  .footer-inner { padding: 0 64px; }
}
.footer-brand-area {
  margin-bottom: 40px;
}
.footer-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--white);
  background: linear-gradient(135deg, #FFFFFF 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.footer-brand:hover {
  opacity: 0.85;
  color: var(--white);
}
.footer-tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--gray);
  margin-top: 6px;
  margin-bottom: 0;
}
.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (min-width: 600px) {
  .footer-columns { grid-template-columns: repeat(3, 1fr); gap: 40px; }
}
.footer-col-title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--gray);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
@media (min-width: 600px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; flex-wrap: wrap; text-align: left; }
}
.footer-icp,
.footer-contact,
.footer-trust {
  font-family: var(--font-data);
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 0;
}
.footer-trust {
  width: 100%;
  font-family: var(--font-body);
  font-style: italic;
  margin-top: 8px;
  opacity: 0.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
  text-decoration: none;
}
.btn:hover {
  background: var(--accent-hover);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: none;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 0.82rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 16px 0;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--gray);
}
.breadcrumb a {
  color: var(--gray-light);
  transition: color var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb span {
  color: var(--gray);
}
.breadcrumb .current {
  color: var(--white);
  font-weight: 500;
}
.page-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px;
}
@media (min-width: 768px) {
  .page-content { padding: 60px 40px; }
}
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.section-preview {
  padding: 60px 0;
}
.section-preview .preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-preview .preview-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--white);
  line-height: 1.15;
}
.section-preview .preview-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--gray);
  margin-top: 8px;
}
.section-preview .preview-link {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-preview .preview-link::after {
  content: "→";
  transition: transform var(--transition);
}
.section-preview .preview-link:hover::after {
  transform: translateX(4px);
}
.data-card {
  background: linear-gradient(145deg, rgba(44, 62, 80, 0.7), rgba(26, 42, 58, 0.9));
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.data-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.data-card:hover {
  border-color: rgba(255, 107, 53, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.data-card:hover::before {
  opacity: 1;
}
.data-card .card-label {
  font-family: var(--font-data);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.data-card .card-value {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--white);
  line-height: 1.1;
}
.data-card .card-value.accent {
  color: var(--accent);
}
.data-card .card-desc {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--gray-light);
  margin-top: 8px;
}
.stat-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.stat-bar .bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}
.stat-bar .bar-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent), #ff9a5c);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.stat-bar .bar-label {
  font-family: var(--font-data);
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--gray);
  min-width: 36px;
  text-align: right;
}
.stat-value {
  font-family: var(--font-data);
  font-weight: 400;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--white);
  line-height: 1.1;
}
.stat-value.accent { color: var(--accent); }
.stat-value.success { color: var(--success); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: rgba(138, 141, 147, 0.15);
  color: var(--gray-light);
  border-radius: var(--radius-full);
  font-family: var(--font-data);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.tag.accent {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(255, 107, 53, 0.2);
}
.image-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.04);
}
.image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-container .placeholder-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--gray);
  text-align: center;
  opacity: 0.5;
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 1002;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}
.scroll-progress .progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #ff9a5c);
  transition: width 0.1s linear;
}
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(255, 107, 53, 0.4);
  transform: translateY(-2px);
}
.back-to-top:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}
@media (min-width: 768px) {
  .back-to-top { bottom: 40px; right: 40px; }
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .stat-bar .bar-fill { transition: none; }
  .data-card:hover { transform: none; }
  .back-to-top { transition: opacity 0.01s, visibility 0.01s; }
  .nav-toggle-bar { transition: none; }
}