:root {
  --mw-primary: #1a5c3a;
  --mw-primary-light: #2e8b57;
  --mw-primary-dark: #0f3d26;
  --mw-accent: #f0a500;
  --mw-accent-soft: #ffc94d;
  --mw-bg: #f4f7f4;
  --mw-bg-alt: #e9f0e9;
  --mw-surface: #ffffff;
  --mw-surface-glass: rgba(255, 255, 255, 0.7);
  --mw-text: #17251d;
  --mw-text-soft: #4a5a50;
  --mw-text-muted: #6f8076;
  --mw-border: rgba(26, 92, 58, 0.14);
  --mw-shadow-sm: 0 2px 8px rgba(15, 61, 38, 0.08);
  --mw-shadow: 0 8px 24px rgba(15, 61, 38, 0.1);
  --mw-shadow-lg: 0 18px 48px rgba(15, 61, 38, 0.16);
  --mw-radius-sm: 10px;
  --mw-radius: 18px;
  --mw-radius-lg: 28px;
  --mw-radius-pill: 999px;
  --mw-max-width: 1160px;
  --mw-header-h: 68px;
  --mw-transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  --mw-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

[data-theme="dark"],
@media (prefers-color-scheme: dark) {
  :root {
    --mw-bg: #0c1510;
    --mw-bg-alt: #101c15;
    --mw-surface: #142219;
    --mw-surface-glass: rgba(20, 34, 25, 0.72);
    --mw-text: #e8f1ea;
    --mw-text-soft: #b3c6b9;
    --mw-text-muted: #8aa093;
    --mw-border: rgba(46, 139, 87, 0.24);
    --mw-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --mw-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    --mw-shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--mw-header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--mw-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--mw-text);
  background-color: var(--mw-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(46, 139, 87, 0.1), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(240, 165, 0, 0.08), transparent 38%),
    radial-gradient(circle at 50% 100%, rgba(26, 92, 58, 0.06), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: var(--mw-primary-light);
  text-decoration: none;
  transition: color var(--mw-transition), opacity var(--mw-transition);
}

a:hover,
a:focus-visible {
  color: var(--mw-accent);
}

:focus-visible {
  outline: 2px solid var(--mw-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--mw-text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.65rem, 3.6vw, 2.5rem);
  margin: 0 0 0.6em;
}

h2 {
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  margin: 0 0 0.7em;
  position: relative;
  padding-left: 16px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: var(--mw-radius-pill);
  background: linear-gradient(180deg, var(--mw-primary-light), var(--mw-accent));
}

h3 {
  font-size: clamp(1.08rem, 1.9vw, 1.25rem);
  margin: 1.6em 0 0.5em;
  color: var(--mw-primary);
}

[data-theme="dark"] h3,
@media (prefers-color-scheme: dark) {
  h3 { color: var(--mw-accent-soft); }
}

h4 {
  font-size: 1rem;
  margin: 1.1em 0 0.4em;
  color: var(--mw-text-soft);
}

p {
  margin: 0 0 1em;
  color: var(--mw-text-soft);
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.3em;
  color: var(--mw-text-soft);
}

li {
  margin-bottom: 0.4em;
}

blockquote {
  margin: 1.2em 0;
  padding: 1em 1.3em;
  border-left: 4px solid var(--mw-accent);
  border-radius: 0 var(--mw-radius-sm) var(--mw-radius-sm) 0;
  background: var(--mw-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--mw-shadow-sm);
}

blockquote p {
  margin: 0;
  color: var(--mw-text-soft);
  font-style: italic;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--mw-surface-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--mw-border);
  box-shadow: 0 4px 20px rgba(15, 61, 38, 0.06);
}

header > div {
  max-width: var(--mw-max-width);
  margin: 0 auto;
  padding: 0 20px;
  min-height: var(--mw-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

header > div > a {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--mw-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  transition: transform var(--mw-transition);
}

header > div > a::before {
  content: "";
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--mw-primary-light), var(--mw-accent));
  box-shadow: 0 4px 12px rgba(26, 92, 58, 0.35);
}

header > div > a:hover {
  transform: translateY(-1px) scale(1.02);
  color: var(--mw-primary-light);
}

nav[aria-label="主导航"] ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav[aria-label="主导航"] li {
  margin: 0;
}

nav[aria-label="主导航"] a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--mw-radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mw-text-soft);
  position: relative;
  transition: color var(--mw-transition), background var(--mw-transition),
    transform var(--mw-transition);
}

nav[aria-label="主导航"] a:hover,
nav[aria-label="主导航"] a:focus-visible {
  color: var(--mw-primary);
  background: rgba(46, 139, 87, 0.12);
  transform: translateY(-2px);
}

main {
  max-width: var(--mw-max-width);
  margin: 0 auto;
  padding: 0 20px 40px;
}

nav[aria-label="面包屑导航"] {
  margin: 20px 0 0;
}

nav[aria-label="面包屑导航"] ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--mw-text-muted);
}

nav[aria-label="面包屑导航"] li {
  margin: 0;
  display: inline-flex;
  align-items: center;
}

nav[aria-label="面包屑导航"] li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--mw-text-muted);
  opacity: 0.6;
}

section[id] {
  margin-top: 28px;
  padding: 32px;
  background: var(--mw-surface-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--mw-border);
  border-radius: var(--mw-radius-lg);
  box-shadow: var(--mw-shadow);
  animation: mw-fade-up 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  animation-timeline: view();
  animation-range: entry 0% cover 28%;
}

@supports not (animation-timeline: view()) {
  section[id] {
    animation: none;
  }
}

@keyframes mw-fade-up {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#hero {
  margin-top: 24px;
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
  border-radius: var(--mw-radius-lg);
  background:
    linear-gradient(135deg, rgba(26, 92, 58, 0.95) 0%, rgba(46, 139, 87, 0.88) 48%, rgba(240, 165, 0, 0.82) 100%);
  border: none;
  box-shadow: var(--mw-shadow-lg);
  color: #fff;
}

#hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 25% 30%, rgba(255, 255, 255, 0.28), transparent 45%),
    radial-gradient(circle at 75% 70%, rgba(255, 201, 77, 0.35), transparent 50%);
  animation: mw-aurora 14s ease-in-out infinite alternate;
  pointer-events: none;
}

#hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  pointer-events: none;
}

@keyframes mw-aurora {
  0% { transform: translate3d(-4%, -3%, 0) scale(1); }
  100% { transform: translate3d(4%, 3%, 0) scale(1.08); }
}

#hero h1 {
  position: relative;
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.22);
  max-width: 22ch;
}

#hero p {
  position: relative;
  color: rgba(255, 255, 255, 0.92);
  max-width: 68ch;
  margin-bottom: 0;
  font-size: 1.02rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.18);
}

#hero h1::before,
#hero h2::before {
  display: none;
}

#products,
#services,
#solutions,
#knowledge,
#howto {
  background: var(--mw-surface-glass);
}

#products > h3,
#services > h3,
#solutions > h3 {
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--mw-border);
}

#products > h4,
#services > h4,
#solutions > h4 {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--mw-radius-pill);
  background: rgba(46, 139, 87, 0.1);
  color: var(--mw-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1.2em;
}

[data-theme="dark"] #products > h4,
@media (prefers-color-scheme: dark) {
  #products > h4,
  #services > h4,
  #solutions > h4 {
    color: var(--mw-accent-soft);
    background: rgba(240, 165, 0, 0.12);
  }
}

#cases blockquote {
  transition: transform var(--mw-transition), box-shadow var(--mw-transition);
}

#cases blockquote:hover {
  transform: translateX(6px);
  box-shadow: var(--mw-shadow);
}

#news article {
  margin-top: 18px;
  padding: 22px 24px;
  background: var(--mw-surface);
  border: 1px solid var(--mw-border);
  border-radius: var(--mw-radius);
  box-shadow: var(--mw-shadow-sm);
  transition: transform var(--mw-transition), box-shadow var(--mw-transition),
    border-color var(--mw-transition);
  position: relative;
  overflow: hidden;
}

#news article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--mw-primary-light), var(--mw-accent));
  opacity: 0;
  transition: opacity var(--mw-transition);
}

#news article:hover {
  transform: translateY(-5px);
  box-shadow: var(--mw-shadow-lg);
  border-color: rgba(46, 139, 87, 0.4);
}

#news article:hover::before {
  opacity: 1;
}

#news article h3 {
  margin-top: 0;
  transition: color var(--mw-transition);
}

#news article:hover h3 {
  color: var(--mw-primary-light);
}

#news article p:nth-of-type(1) {
  font-size: 0.82rem;
  color: var(--mw-text-muted);
  letter-spacing: 0.02em;
}

#news article p:nth-of-type(1)::before {
  content: "🗓 ";
  opacity: 0.8;
}

#news article p:nth-of-type(2) {
  color: var(--mw-text-soft);
}

#news article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: var(--mw-radius-pill);
  background: rgba(46, 139, 87, 0.1);
  color: var(--mw-primary);
  transition: background var(--mw-transition), color var(--mw-transition),
    transform var(--mw-transition), box-shadow var(--mw-transition);
}

#news article a::after {
  content: "→";
  transition: transform var(--mw-transition);
}

#news article a:hover {
  background: var(--mw-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(26, 92, 58, 0.3);
}

#news article a:hover::after {
  transform: translateX(4px);
}

#knowledge h3 {
  padding-left: 0;
}

#knowledge > h3 {
  margin-top: 1.3em;
}

#howto h4 {
  position: relative;
  padding-left: 34px;
  color: var(--mw-text);
  font-weight: 600;
}

#howto h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mw-primary-light), var(--mw-accent));
  box-shadow: 0 3px 10px rgba(26, 92, 58, 0.35);
}

#howto h4::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  transform: translateY(-50%);
}

#faq h3 {
  margin-top: 1.1em;
  padding: 14px 18px;
  background: var(--mw-surface);
  border: 1px solid var(--mw-border);
  border-radius: var(--mw-radius) var(--mw-radius) 0 0;
  border-bottom: none;
  font-size: 1rem;
  color: var(--mw-text);
  transition: background var(--mw-transition), color var(--mw-transition);
  position: relative;
  cursor: default;
}

#faq h3::after {
  content: "?";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(46, 139, 87, 0.14);
  color: var(--mw-primary);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--mw-transition), color var(--mw-transition),
    transform var(--mw-transition);
}

#faq h3 + p {
  margin-top: 0;
  padding: 14px 18px;
  background: var(--mw-surface-glass);
  border: 1px solid var(--mw-border);
  border-radius: 0 0 var(--mw-radius) var(--mw-radius);
  transition: box-shadow var(--mw-transition), transform var(--mw-transition);
}

#faq h3:hover {
  background: rgba(46, 139, 87, 0.08);
  color: var(--mw-primary);
}

#faq h3:hover::after {
  background: var(--mw-primary);
  color: #fff;
  transform: translateY(-50%) rotate(12deg);
}

#faq h3:hover + p {
  box-shadow: var(--mw-shadow-sm);
}

#contact p {
  margin-bottom: 0.5em;
  padding-left: 0;
}

#contact p:nth-of-type(1),
#contact p:nth-of-type(2),
#contact p:nth-of-type(3),
#contact p:nth-of-type(4),
#contact p:nth-of-type(5),
#contact p:nth-of-type(6) {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.95rem;
}

#contact p::first-line {
  font-weight: 500;
}

#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  list-style: none;
}

#sitemap li,
#links li {
  margin: 0;
}

#sitemap a,
#links a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--mw-radius-pill);
  background: var(--mw-surface);
  border: 1px solid var(--mw-border);
  font-size: 0.88rem;
  color: var(--mw-text-soft);
  transition: all var(--mw-transition);
}

#sitemap a:hover,
#links a:hover {
  background: linear-gradient(135deg, var(--mw-primary), var(--mw-primary-light));
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(26, 92, 58, 0.3);
}

footer {
  margin-top: 48px;
  padding: 48px 20px 32px;
  background: linear-gradient(180deg, transparent, rgba(26, 92, 58, 0.08));
  border-top: 1px solid var(--mw-border);
}

[data-theme="dark"] footer,
@media (prefers-color-scheme: dark) {
  footer {
    background: linear-gradient(180deg, transparent, rgba(46, 139, 87, 0.1));
  }
}

footer > section {
  max-width: var(--mw-max-width);
  margin: 0 auto 28px;
  padding: 26px 28px;
  background: var(--mw-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--mw-border);
  border-radius: var(--mw-radius);
  box-shadow: var(--mw-shadow-sm);
}

footer h2 {
  font-size: 1.05rem;
  margin-bottom: 0.8em;
  padding-left: 12px;
}

footer h2::before {
  width: 4px;
}

footer p {
  font-size: 0.9rem;
  margin-bottom: 0.5em;
}

footer > nav[aria-label="底部导航"] {
  max-width: var(--mw-max-width);
  margin: 0 auto;
  padding-top: 8px;
}

footer > nav[aria-label="底部导航"] ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0;
  list-style: none;
  margin: 0;
}

footer > nav[aria-label="底部导航"] li {
  margin: 0;
}

footer > nav[aria-label="底部导航"] a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 0.88rem;
  color: var(--mw-text-muted);
  border-radius: var(--mw-radius-pill);
  transition: color var(--mw-transition), background var(--mw-transition);
}

footer > nav[aria-label="底部导航"] a:hover {
  color: var(--mw-primary);
  background: rgba(46, 139, 87, 0.1);
}

@media (max-width: 900px) {
  header > div {
    padding: 10px 16px;
    gap: 8px;
  }

  nav[aria-label="主导航"] {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }

  nav[aria-label="主导航"]::-webkit-scrollbar {
    display: none;
  }

  nav[aria-label="主导航"] ul {
    flex-wrap: nowrap;
  }

  nav[aria-label="主导航"] a {
    white-space: nowrap;
    font-size: 0.86rem;
    padding: 7px 12px;
  }

  main {
    padding: 0 14px 32px;
  }

  section[id] {
    padding: 24px 20px;
    border-radius: var(--mw-radius);
    margin-top: 20px;
  }

  #hero {
    padding: 40px 24px;
  }

  #hero h1 {
    max-width: none;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
    line-height: 1.7;
  }

  header > div > a {
    font-size: 1.15rem;
  }

  header > div > a::before {
    width: 26px;
    height: 26px;
  }

  h2 {
    padding-left: 13px;
  }

  h2::before {
    width: 4px;
  }

  #hero {
    padding: 32px 20px;
    border-radius: var(--mw-radius);
  }

  #hero p {
    font-size: 0.95rem;
  }

  section[id] {
    padding: 20px 16px;
  }

  #news article {
    padding: 18px;
  }

  #faq h3 {
    padding: 12px 44px 12px 14px;
    font-size: 0.95rem;
  }

  #faq h3 + p {
    padding: 12px 14px;
  }

  #sitemap a,
  #links a {
    padding: 7px 14px;
    font-size: 0.84rem;
  }

  footer {
    padding: 36px 14px 24px;
  }

  footer > section {
    padding: 20px 16px;
  }

  #howto h4 {
    padding-left: 30px;
  }

  #howto h4::before {
    width: 20px;
    height: 20px;
  }

  #howto h4::after {
    left: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  header,
  footer > nav,
  #sitemap,
  #links {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  section[id] {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}