:root {
  --su-color-navy: #0B3B60;
  --su-color-navy-deep: #071E33;
  --su-color-steel: #1D4E7A;
  --su-color-cream: #F5F0E6;
  --su-color-ink: #22201C;
  --su-color-orange: #FF6B35;
  --su-color-lime: #A3E635;
  --su-color-gray: #6B7B8D;
  --su-color-warm: #FFFDF7;
  --su-radius-lg: 32px;
  --su-radius-md: 20px;
  --su-radius-pill: 999px;
  --su-shadow-sm: 0 2px 8px rgba(7, 30, 51, 0.08);
  --su-shadow-md: 0 12px 32px rgba(7, 30, 51, 0.12);
  --su-shadow-hover: 0 20px 44px rgba(7, 30, 51, 0.18);
  --su-space: 1.5rem;
  --su-ease: 180ms ease-out;
  --su-font-display: "Arial Black", "Impact", "Noto Sans SC", "PingFang SC", sans-serif;
  --su-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--su-font-body);
  background-color: var(--su-color-cream);
  color: var(--su-color-ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

.su-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--su-space);
}

.su-skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 2000;
  background: var(--su-color-ink);
  color: var(--su-color-cream);
  padding: 0.75rem 1.25rem;
  border-radius: var(--su-radius-pill);
  font-weight: 600;
  transition: top var(--su-ease);
}

.su-skip-link:focus-visible {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--su-color-orange);
  outline-offset: 3px;
  border-radius: 6px;
}

.su-header {
  position: relative;
  background:
    linear-gradient(115deg, var(--su-color-navy-deep) 0%, var(--su-color-navy) 54%, var(--su-color-steel) 100%);
  color: var(--su-color-cream);
  padding: 0 0 0.5rem;
  overflow: hidden;
}

.su-header::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  right: -120px;
  top: -160px;
  background: radial-gradient(circle, rgba(163, 230, 53, 0.18) 0%, rgba(163, 230, 53, 0) 70%);
  pointer-events: none;
}

.su-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 86px;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.su-brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.su-brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: var(--su-color-orange);
  color: var(--su-color-ink);
  font-family: var(--su-font-display);
  font-style: italic;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  transform: rotate(-6deg);
  box-shadow: 4px 6px 0 var(--su-color-lime);
  transition: transform var(--su-ease), box-shadow var(--su-ease);
}

.su-brand:hover .su-brand-mark {
  transform: rotate(2deg) translateY(-2px);
  box-shadow: -3px 6px 0 var(--su-color-lime);
}

.su-brand-mark-slash {
  position: absolute;
  right: -3px;
  top: -3px;
  width: 12px;
  height: 12px;
  background: var(--su-color-lime);
  border-radius: 3px 8px 3px 8px;
  transform: rotate(45deg);
}

.su-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.su-brand-title {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.su-brand-tagline {
  font-size: 0.78rem;
  color: var(--su-color-lime);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.su-nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(255, 253, 247, 0.1);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.su-nav-toggle-line {
  display: block;
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--su-color-cream);
  transition: transform var(--su-ease), opacity var(--su-ease);
}

.su-nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.su-nav-list a {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: var(--su-radius-pill);
  font-size: 0.98rem;
  font-weight: 600;
  color: rgba(255, 253, 247, 0.86);
  transition: background var(--su-ease), color var(--su-ease), transform var(--su-ease);
}

.su-nav-list a:hover {
  color: var(--su-color-cream);
  background: rgba(255, 253, 247, 0.1);
  transform: translateY(-1px);
}

.su-nav-list a[aria-current="page"] {
  background: var(--su-color-orange);
  color: var(--su-color-ink);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}

.su-header-progress {
  height: 4px;
  background: rgba(255, 253, 247, 0.18);
  position: relative;
  overflow: hidden;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 80ms linear;
}

.su-header-progress.is-visible {
  transform: scaleX(calc(var(--su-scroll-progress, 0)));
}

.su-btn {
  display: inline-block;
  border: 0;
  border-radius: var(--su-radius-pill);
  padding: 0.9rem 2rem;
  font-family: var(--su-font-body);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  background: transparent;
  transition: transform var(--su-ease), box-shadow var(--su-ease), background var(--su-ease);
}

.su-btn-primary {
  background: var(--su-color-navy);
  color: var(--su-color-lime);
  box-shadow: 0 6px 0 var(--su-color-steel), 0 14px 24px rgba(11, 59, 96, 0.2);
}

.su-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 var(--su-color-steel), 0 18px 32px rgba(11, 59, 96, 0.28);
}

.su-btn-accent {
  background: var(--su-color-orange);
  color: var(--su-color-ink);
  box-shadow: 0 6px 0 #C14A1F, 0 14px 24px rgba(255, 107, 53, 0.22);
}

.su-btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 #C14A1F, 0 18px 32px rgba(255, 107, 53, 0.3);
}

.su-btn-ghost {
  border: 2px solid rgba(255, 253, 247, 0.55);
  color: var(--su-color-warm);
}

.su-btn-ghost:hover {
  border-color: var(--su-color-lime);
  color: var(--su-color-lime);
  background: rgba(163, 230, 53, 0.08);
}

.su-card {
  background: var(--su-color-warm);
  border: 1px solid rgba(11, 59, 96, 0.08);
  border-radius: var(--su-radius-lg);
  box-shadow: var(--su-shadow-sm);
  padding: 1.8rem;
  transition: transform var(--su-ease), box-shadow var(--su-ease), border-color var(--su-ease);
}

.su-card[data-card]:hover {
  transform: translateY(-4px);
  box-shadow: var(--su-shadow-hover);
  border-color: rgba(11, 59, 96, 0.16);
}

.su-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--su-color-gray);
}

.su-eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--su-color-orange);
  border-radius: 2px;
}

.su-title-display {
  font-family: var(--su-font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--su-color-navy);
  text-transform: uppercase;
  font-style: italic;
  text-shadow: 4px 4px 0 var(--su-color-lime), 8px 8px 0 rgba(255, 107, 53, 0.35);
}

.su-panel {
  --panel-angle: 4deg;
  position: relative;
  border-radius: var(--su-radius-lg);
  background: var(--su-color-warm);
  box-shadow: var(--su-shadow-md);
  padding: 2rem;
  margin: 2rem 0;
}

.su-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(163, 230, 53, 0.08));
  clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.su-panel > * {
  position: relative;
  z-index: 1;
}

.su-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: var(--su-radius-pill);
  background: var(--su-color-navy);
  color: var(--su-color-warm);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  line-height: 1.4;
}

.su-tag-live {
  background: rgba(163, 230, 53, 0.15);
  color: #5E7A00;
}

.su-tag-live::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8FBF00;
  box-shadow: 0 0 0 0 rgba(143, 191, 0, 0.6);
  animation: su-pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes su-pulse {
  0% { box-shadow: 0 0 0 0 rgba(143, 191, 0, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(143, 191, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(143, 191, 0, 0); }
}

.su-data-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.2rem;
}

.su-col-3 { grid-column: span 3; }
.su-col-4 { grid-column: span 4; }
.su-col-5 { grid-column: span 5; }
.su-col-6 { grid-column: span 6; }
.su-col-7 { grid-column: span 7; }
.su-col-8 { grid-column: span 8; }
.su-col-12 { grid-column: span 12; }

.su-metric-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.8rem;
  border-radius: var(--su-radius-md);
  padding: 1.2rem 1.4rem;
  background: var(--su-color-warm);
  border: 1px solid rgba(11, 59, 96, 0.1);
}

.su-metric-card .su-metric-value {
  font-family: var(--su-font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
  color: var(--su-color-navy);
  font-style: italic;
}

.su-metric-card .su-metric-label {
  font-size: 0.85rem;
  color: var(--su-color-gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.su-metric-card[data-trend="up"] .su-metric-value {
  color: var(--su-color-orange);
}

.su-metric-card[data-trend="live"] .su-metric-value {
  color: var(--su-color-navy);
  position: relative;
}

.su-metric-card[data-trend="live"] .su-metric-value::after {
  content: "●";
  color: var(--su-color-lime);
  font-size: 0.6em;
  vertical-align: super;
  margin-left: 0.2em;
}

.su-footer {
  background: var(--su-color-navy-deep);
  color: rgba(255, 253, 247, 0.82);
  margin-top: 5rem;
  border-radius: 32px 32px 0 0;
  background:
    radial-gradient(circle at 0% 100%, rgba(255, 107, 53, 0.14) 0%, transparent 30%),
    radial-gradient(circle at 100% 0%, rgba(163, 230, 53, 0.08) 0%, transparent 35%),
    linear-gradient(120deg, #071E33 0%, #0B3B60 80%);
  padding-top: 4rem;
}

.su-footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.su-footer-logo {
  font-family: var(--su-font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-style: italic;
  color: var(--su-color-cream);
  line-height: 1;
  margin-bottom: 1rem;
}

.su-footer-logo-dot {
  color: var(--su-color-orange);
}

.su-footer-about,
.su-footer-trust {
  font-size: 0.92rem;
  line-height: 1.85;
  max-width: 34ch;
}

.su-footer-trust {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  background: rgba(255, 253, 247, 0.06);
  border-left: 3px solid var(--su-color-lime);
  border-radius: 12px;
  font-size: 0.83rem;
  color: rgba(245, 240, 230, 0.66);
}

.su-footer-heading {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--su-color-lime);
  margin-bottom: 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 253, 247, 0.18);
}

.su-footer-links li {
  margin-bottom: 0.55rem;
}

.su-footer-links a {
  color: rgba(255, 253, 247, 0.78);
  font-size: 0.95rem;
  transition: color var(--su-ease), padding-left var(--su-ease);
}

.su-footer-links a:hover {
  color: var(--su-color-orange);
  padding-left: 0.35rem;
}

.su-footer-contact li {
  font-size: 0.95rem;
  line-height: 1.7;
}

.su-footer-bottom {
  border-top: 1px solid rgba(255, 253, 247, 0.12);
  background: rgba(0, 0, 0, 0.16);
}

.su-footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
  font-size: 0.85rem;
}

.su-footer-icp {
  color: rgba(255, 253, 247, 0.45);
}

@media (max-width: 1024px) {
  .su-footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .su-footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .su-container {
    padding: 0 1.25rem;
  }

  .su-header-inner {
    gap: 1rem;
  }

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

  .su-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(82vw, 360px);
    height: 100vh;
    background: var(--su-color-navy);
    padding: 5rem 2rem 2rem;
    transform: translateX(105%);
    transition: transform 260ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -20px 0 48px rgba(0, 0, 0, 0.24);
    z-index: 1000;
    overflow-y: auto;
  }

  .su-nav[data-open] {
    transform: translateX(0);
  }

  .su-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .su-nav-list a {
    display: block;
    width: 100%;
    font-size: 1.3rem;
    padding: 0.8rem 1rem;
    border-radius: 18px;
  }

  .su-brand-title {
    font-size: 0.98rem;
  }

  .su-brand-tagline {
    letter-spacing: 0.14em;
  }

  .su-brand-mark {
    width: 46px;
    height: 46px;
    font-size: 1rem;
    border-radius: 14px;
  }

  .su-data-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .su-col-3, .su-col-4, .su-col-5, .su-col-6, .su-col-7, .su-col-8 {
    grid-column: span 4;
  }
}

@media (max-width: 560px) {
  .su-footer-top {
    grid-template-columns: 1fr;
  }

  .su-footer-brand {
    grid-column: span 1;
  }

  .su-footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .su-title-display {
    text-shadow: 3px 3px 0 var(--su-color-lime), 6px 6px 0 rgba(255, 107, 53, 0.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}