:root {
  --color-primary: #0a1930;
  --color-primary-deep: #060e1a;
  --color-primary-alpha: rgba(10, 25, 48, 0.92);
  --color-card: #1e2a3a;
  --color-card-hover: #24344a;
  --color-accent: #00ff88;
  --color-accent-dark: #0d4d3f;
  --color-hot: #ff4d00;
  --color-text: #f5f7fa;
  --color-text-mid: #8b98a8;
  --color-border: rgba(226, 232, 240, 0.14);
  --font-heading: Impact, 'Arial Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Roboto Mono', Consolas, 'Courier New', monospace;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --container-width: 1200px;
  --header-h: 74px;
  --transition-fast: 0.2s;
  --transition-smooth: 0.4s;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text);
  background:
    radial-gradient(ellipse at 80% 0%, rgba(0, 255, 136, 0.06), transparent 60%),
    radial-gradient(ellipse at 10% 30%, rgba(255, 77, 0, 0.05), transparent 50%),
    var(--color-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
  margin-top: 0;
  font-weight: 400;
}

p, ul, ol, dl, blockquote {
  margin-top: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #43ffa6;
}

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

ul, ol {
  padding-left: 1.2em;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

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

#main-content {
  min-height: 62vh;
  display: block;
}

.container,
.header-top-inner,
.header-main-inner,
.footer-bottom-inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.page-container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding: 48px 24px;
}

.content-container {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 40px 24px;
}

.container-narrow {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.skip-link {
  position: fixed;
  top: -70px;
  left: 16px;
  z-index: 2000;
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 24px rgba(0, 255, 136, 0.35);
  transition: top var(--transition-fast);
}

.skip-link:focus-visible {
  top: 12px;
  outline: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-hot) 100%);
  z-index: 1500;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.4);
}

.site-header {
  position: relative;
  z-index: 100;
  background: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.header-top {
  position: relative;
  background: rgba(0, 0, 0, 0.22);
  border-bottom: 1px solid var(--color-border);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.header-top-text {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--color-text-mid);
  text-transform: uppercase;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.header-top-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: status-pulse 2.2s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.75); }
}

.header-main {
  position: relative;
}

.header-main::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: 0;
  width: 42%;
  max-width: 420px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent) 40%, var(--color-hot) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 18px) 100%, 0 100%);
  opacity: 0.7;
  pointer-events: none;
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-lockup:hover {
  color: var(--color-text);
  opacity: 0.92;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-accent) 0%, #5cffbe 55%, var(--color-hot) 120%);
  border-radius: 15px;
  box-shadow: 0 4px 18px rgba(0, 255, 136, 0.25);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
  white-space: nowrap;
}

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

.brand-ver {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-hot);
  border: 1px solid var(--color-hot);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  margin: 0;
}

.nav-link {
  display: inline-block;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  color: rgba(245, 247, 250, 0.68);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link[aria-current="page"] {
  color: var(--color-accent);
  background: rgba(0, 255, 136, 0.1);
  box-shadow: inset 0 0 0 1px rgba(0, 255, 136, 0.2);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--color-accent);
  background: rgba(0, 255, 136, 0.06);
}

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

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.25s ease, background 0.25s ease;
}

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

.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);
  background: var(--color-accent);
}

.site-footer {
  position: relative;
  background: var(--color-primary-deep);
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--color-hot) 0%, rgba(255, 77, 0, 0.4) 22%, var(--color-accent) 55%, transparent 85%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 80px) 100%, 0 100%);
  opacity: 0.85;
}

.footer-top {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 44px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 44px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.brand-lockup-footer .brand-mark {
  width: 42px;
  height: 42px;
  font-size: 1.35rem;
  border-radius: 13px;
}

.brand-lockup-footer .brand-name {
  font-size: 1.35rem;
}

.footer-trust {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  max-width: 32ch;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  display: inline-block;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-nav-list a {
  color: var(--color-text-mid);
  font-size: 0.92rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-nav-list a:hover,
.footer-nav-list a:focus-visible {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer-contact-item {
  font-size: 0.92rem;
  color: var(--color-text-mid);
  line-height: 1.7;
  margin-bottom: 4px;
}

.footer-service-note {
  font-size: 0.82rem;
  color: var(--color-hot);
  border: 1px solid rgba(255, 77, 0, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  display: inline-block;
  margin-top: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.18);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  padding-bottom: 16px;
}

.footer-copy,
.footer-icp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-mid);
  margin: 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 7px 16px;
  border: 1px solid rgba(0, 255, 136, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(0, 255, 136, 0.06);
}

.section-no {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--color-hot);
  letter-spacing: 0.2em;
  font-weight: 700;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 2.5rem);
  line-height: 1.15;
  margin: 18px 0 12px;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-mid);
  line-height: 1.7;
  max-width: 60ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(0, 255, 136, 0.2);
}

.btn-primary:hover {
  background: #43ffa6;
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 255, 136, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-hot {
  background: var(--color-hot);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 77, 0, 0.22);
}

.btn-hot:hover {
  background: #ff6a24;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 77, 0, 0.3);
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
  position: relative;
}

.card:hover {
  background: var(--color-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
}

.data-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.data-label {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-text-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-text-mid);
  font-size: 0.8rem;
}

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

.breadcrumb[aria-label="面包屑"] span,
.breadcrumb li[aria-current="page"] {
  color: var(--color-text-mid);
}

.figure-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #0d1b2d 0%, #1e2a3a 100%);
  min-height: 200px;
}

.figure-img::after {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.figure-img > img,
.figure-img > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js-enabled [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

.js-enabled [data-reveal-child] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.js-enabled [data-reveal-child][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary-alpha);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    overflow-y: auto;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.45s ease, opacity 0.3s ease, visibility 0.3s;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }

  .site-nav[data-open="true"] {
    max-height: 480px;
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 18px 24px 24px;
    gap: 2px;
  }

  .nav-link {
    display: block;
    padding: 14px 18px;
    font-size: 1rem;
  }

  .nav-link[aria-current="page"] {
    background: rgba(0, 255, 136, 0.08);
  }

  .header-top-text {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
  }

  .header-top-status {
    font-size: 0.7rem;
  }
}

@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 44px;
  }

  .footer-brand-col {
    max-width: 100%;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .page-container {
    padding: 36px 20px;
  }

  .content-container {
    padding: 32px 20px;
  }

  .header-main-inner {
    min-height: 66px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 13px;
    font-size: 1.3rem;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .brand-ver {
    display: none;
  }

  .header-top-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .nav-toggle-label {
    display: none;
  }

  .nav-toggle {
    padding: 10px 14px;
  }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .status-dot {
    animation: none;
  }

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

  .js-enabled [data-reveal],
  .js-enabled [data-reveal-child] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .nav-toggle-bar {
    transition: none;
  }
}