:root {
  --color-primary: #0A1B3D;
  --color-primary-light: #1E3A5F;
  --color-primary-dark: #050F23;
  --color-accent: #FF6B00;
  --color-accent-light: #FF9E45;
  --color-surface-dark: #121212;
  --color-surface-alt: #1C1C1E;
  --color-text-light: #FFFFFF;
  --color-text-muted: #B0B8C4;
  --color-success: #00C853;
  --color-warning: #FFD600;
  --color-info: #00B0FF;
  --font-heading: "Anton", "Impact", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Roboto", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-h1: clamp(2.5rem, 5vw, 4rem);
  --font-h2: clamp(2rem, 4vw, 3rem);
  --font-h3: clamp(1.4rem, 2.2vw, 2rem);
  --font-body: 1.125rem;
  --font-caption: 0.875rem;
  --nav-breakpoint: 920px;
  --header-height: 88px;
}

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

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

body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd,
ul,
ol {
  margin: 0;
}

ul[class],
ol[class] {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

main {
  display: block;
  width: 100%;
  flex: 1 0 auto;
}

main[id="main-content"] {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.12;
  letter-spacing: 0.01em;
  font-weight: 700;
}

h1 {
  font-size: var(--font-h1);
}

h2 {
  font-size: var(--font-h2);
}

h3 {
  font-size: var(--font-h3);
}

p {
  margin-bottom: 1em;
}

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

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 6px;
  border: 3px solid var(--color-primary-dark);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

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

a:focus-visible,
button:focus-visible {
  outline-offset: 3px;
}

.container {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.container a:not(.btn):not(.brand):not(.nav-link):not(.footer-link):not(.skip-link) {
  color: var(--color-accent-light);
  text-decoration: underline;
  text-decoration-color: rgba(255, 107, 0, 0.35);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.container a:not(.btn):not(.brand):not(.nav-link):not(.footer-link):not(.skip-link):hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.section {
  padding-block: clamp(56px, 8vw, 110px);
}

.section-header {
  max-width: 720px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.section-title {
  margin-bottom: 10px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 10px 18px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  transform: translateY(-240%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px clamp(16px, 3vw, 32px);
  pointer-events: none;
}

.site-header .header-inner {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 8px 10px 8px 22px;
  background:
    linear-gradient(100deg, rgba(255, 107, 0, 0.16) 0%, transparent 26%),
    rgba(10, 27, 61, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: 0 3px 3px 0;
  z-index: 3;
  transition: width 0.1s linear;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--color-text-light);
}

.brand-emblem {
  position: relative;
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 14px 14px 14px 4px;
  transform: rotate(-6deg);
  box-shadow: 0 6px 18px rgba(255, 107, 0, 0.35);
  flex-shrink: 0;
}

.brand-emblem::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-right-color: transparent;
  transform: rotate(35deg);
}

.brand-emblem i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: #fff;
}

.brand-sub {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--color-accent-light);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: translateX(-50%) rotate(-4deg);
  transition: width 0.25s ease;
}

.nav-link:hover::after {
  width: 22px;
}

.nav-link[aria-current="page"] {
  color: #fff;
  background: rgba(255, 107, 0, 0.16);
}

.nav-link[aria-current="page"]::after {
  width: calc(100% - 28px);
}

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

.lang-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 107, 0, 0.1);
  color: var(--color-accent-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: default;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--color-accent);
  background: rgba(255, 107, 0, 0.15);
}

.nav-toggle-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle-line {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

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

.nav-toggle-text {
  letter-spacing: 0.04em;
}

.site-footer {
  position: relative;
  margin-top: auto;
  background: var(--color-primary-dark);
  color: var(--color-text-muted);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 240px;
  background: repeating-linear-gradient(-45deg, rgba(255, 107, 0, 0.06) 0 8px, transparent 8px 16px);
  pointer-events: none;
}

.footer-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light) 45%, transparent 90%);
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px clamp(20px, 4vw, 40px) 36px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 1.2fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.site-footer .brand-emblem {
  width: 46px;
  height: 46px;
  border-radius: 16px 16px 16px 5px;
}

.site-footer .brand-name {
  font-size: 1.5rem;
}

.footer-slogan {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #fff;
  letter-spacing: 0.06em;
}

.footer-trust {
  max-width: 34em;
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--color-accent-light);
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-link::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.footer-link:hover {
  color: var(--color-accent-light);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.95rem;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
}

.footer-contact-item::before {
  content: "›";
  color: var(--color-accent);
  font-weight: 700;
}

.footer-note {
  margin-top: 8px;
  font-size: 0.88rem;
  opacity: 0.85;
}

.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px clamp(20px, 4vw, 40px) 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom span {
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 10px 28px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(255, 107, 0, 0.4);
}

.btn-outline {
  border-color: rgba(255, 107, 0, 0.7);
  background: transparent;
  color: var(--color-accent-light);
}

.btn-outline:hover {
  background: rgba(255, 107, 0, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

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

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

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  opacity: 0.6;
  color: rgba(255, 255, 255, 0.35);
}

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

.panel {
  position: relative;
  background: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: clamp(24px, 3vw, 36px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 18px;
  background: var(--color-primary-light);
  line-height: 0;
}

.media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.media-frame--ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.media-frame--ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.media-frame--ratio-1-1 {
  aspect-ratio: 1 / 1;
}

.media-frame--ratio-16-9 img,
.media-frame--ratio-4-3 img,
.media-frame--ratio-1-1 img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.media-frame--slant {
  transform: rotate(-1.2deg);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: #fff;
}

.stat-value::after {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-top: 10px;
  background: var(--color-accent);
  border-radius: 2px;
}

.stat-label {
  margin-top: 12px;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.stat-delta {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent-light);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.tag--accent {
  background: rgba(255, 107, 0, 0.18);
  color: var(--color-accent-light);
}

.tag--dark {
  background: rgba(5, 15, 35, 0.6);
}

.status-dot {
  position: relative;
  display: inline-block;
  vertical-align: 1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  margin-right: 8px;
  flex-shrink: 0;
}

.status-live {
  background: var(--color-accent);
  animation: statusPulse 1.6s ease-in-out infinite;
}

@keyframes statusPulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.28);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 107, 0, 0.08);
  }
}

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--color-accent), rgba(255, 107, 0, 0.12), transparent);
  margin: clamp(28px, 4vw, 52px) 0;
}

.slant-band {
  height: 10px;
  background: repeating-linear-gradient(-45deg, var(--color-accent) 0 14px, transparent 14px 28px);
  opacity: 0.8;
}

@media (prefers-reduced-motion: no-preference) {
  [data-reveal][data-reveal="pending"] {
    opacity: 0;
    transform: translateY(26px);
  }
  [data-reveal][data-reveal="shown"] {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  }
}

@media (max-width: 1024px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-inner {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (max-width: 920px) {
  .site-header {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  body {
    padding-top: 76px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: absolute;
    top: calc(100% + 14px);
    left: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-left: 0;
    padding: 12px;
    background: rgba(5, 15, 35, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }
  .main-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-link {
    display: block;
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 1.05rem;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link[aria-current="page"] {
    background: rgba(255, 107, 0, 0.18);
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .brand-sub {
    display: none;
  }
  .brand-name {
    font-size: 1.15rem;
  }
  .nav-toggle-text {
    display: none;
  }
  .header-inner {
    padding-left: 14px;
    gap: 12px;
  }
}

@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;
  }
}