```css
:root {
  --bg: #f7faf9;
  --bg-card: #ffffff;
  --bg-nav: #1f5130;
  --bg-footer: #1a2e24;
  --text-primary: #1F2937;
  --text-secondary: #334155;
  --text-heading: #111827;
  --text-nav: #f1f5f9;
  --text-footer: #d1d5db;
  --border-light: #e5e7eb;
  --accent: #1f5130;
  --accent-light: #2d6a4f;
  --btn-text: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --radius: 16px;
  --max-width: 1280px;
  --glass-bg: rgba(255,255,255,0.7);
  --glass-border: rgba(255,255,255,0.3);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-nav: #0b1e14;
  --bg-footer: #0b1e14;
  --text-primary: #E2E8F0;
  --text-secondary: #CBD5E1;
  --text-heading: #F8FAFC;
  --text-nav: #f1f5f9;
  --text-footer: #cbd5e1;
  --border-light: #334155;
  --accent: #2d6a4f;
  --accent-light: #40916c;
  --btn-text: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --glass-bg: rgba(30,41,59,0.7);
  --glass-border: rgba(255,255,255,0.08);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.2s, color 0.2s;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

a:hover {
  text-decoration: underline;
  color: var(--accent);
}

/* 导航栏 - 毛玻璃效果 */
.navbar {
  background: var(--bg-nav);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-nav);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.logo svg {
  width: 36px;
  height: 36px;
  transition: transform 0.3s;
}

.logo:hover svg {
  transform: rotate(15deg) scale(1.05);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--text-nav);
  font-weight: 500;
  opacity: 0.9;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width 0.3s;
}

.nav-links a:hover {
  color: #ffffff;
  text-decoration: none;
  opacity: 1;
}

.nav-links a:hover::after {
  width: 100%;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.15);
  border-radius: 40px;
  padding: 4px 12px;
  transition: background 0.3s, box-shadow 0.3s;
}

.search-box:focus-within {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}

.search-box input {
  background: transparent;
  border: none;
  padding: 6px 8px;
  color: #fff;
  outline: none;
  width: 140px;
  font-size: 0.9rem;
}

.search-box input::placeholder {
  color: #d1e7dd;
}

.search-box button {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.2s;
}

.search-box button:hover {
  transform: scale(1.2);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-nav);
  font-size: 1.4rem;
  cursor: pointer;
  margin-left: 12px;
  display: flex;
  align-items: center;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.3s, transform 0.3s;
}

.icon-btn:hover {
  background: rgba(255,255,255,0.15);
  transform: scale(1.1);
}

.mobile-menu-btn {
  display: none;
}

/* Hero 区域 */
.hero {
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-light) 100%);
  color: white;
  border-radius: 0 0 40px 40px;
  padding: 40px 0 56px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  animation: heroGlow 6s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translateY(0); }
  100% { transform: translateY(30px); }
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1 1 300px;
}

.hero-text h1 {
  color: white;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.2);
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-text p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.93);
  margin-bottom: 24px;
  max-width: 600px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
  display: inline-block;
  background: white;
  color: var(--accent) !important;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 40px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.1);
  transition: 0.3s;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white !important;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.2);
}

.hero-visual {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-visual svg {
  width: 260px;
  height: auto;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.2));
  transition: transform 0.3s;
}

.hero-visual svg:hover {
  transform: scale(1.05) rotate(-3deg);
}

/* 区块 */
.section {
  padding: 48px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
  border-left: 6px solid var(--accent);
  padding-left: 16px;
  position: relative;
  transition: color 0.3s;
}

.section-title::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
  border-radius: 0 4px 4px 0;
}

.section-sub {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

/* 网格与卡片 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--glass-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  transition: 0.3s;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card h3 {
  color: var(--text-heading);
  font-size: 1.3rem;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.card p {
  color: var(--text-secondary);
  transition: color 0.3s;
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  display: inline-block;
  transition: transform 0.3s;
}

.card:hover .card-icon {
  transform: scale(1.2);
}

.badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.8rem;
  margin-right: 6px;
  transition: background 0.3s;
}

.badge:hover {
  background: var(--accent-light);
}

/* 案例 */
.case-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-item {
  background: var(--glass-bg);
  padding: 20px;
  border-radius: 12px;
  border-left: 4px solid var(--accent);
  backdrop-filter: blur(10px);
  transition: 0.3s;
}

.case-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-sm);
}

.case-item h4 {
  color: var(--text-heading);
  margin-bottom: 8px;
}

.case-item p {
  color: var(--text-secondary);
}

/* 文章列表 */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 12px;
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s, padding-left 0.3s;
  border-radius: 8px;
}

.article-item:hover {
  background: var(--glass-bg);
  padding-left: 20px;
}

.article-item a {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 1.1rem;
  transition: color 0.3s;
}

.article-item a:hover {
  color: var(--accent);
  text-decoration: none;
}

.article-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
}

.article-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
  display: block;
}

/* FAQ */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
  transition: background 0.3s;
  border-radius: 8px;
  padding-left: 12px;
  padding-right: 12px;
}

.faq-item:hover {
  background: var(--glass-bg);
}

.faq-question {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-heading);
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.3s;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  color: var(--text-secondary);
  padding-top: 8px;
  display: none;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-toggle {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--accent);
  transition: transform 0.3s;
  display: inline-block;
}

.faq-item.open .faq-toggle {
  transform: rotate(180deg);
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--glass-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  transition: background 0.2s;
}

th {
  background: var(--accent);
  color: white;
  font-weight: 600;
}

tr:hover td {
  background: var(--glass-bg);
}

/* 联系方式 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 24px;
  margin-top: 24px;
}

.contact-item {
  background: var(--glass-bg);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  transition: 0.3s;
  text-align: center;
}

.contact-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-item .card-icon {
  font-size: 2.5rem;
}

/* Footer */
footer {
  background: var(--bg-footer);
  color: var(--text-footer);
  padding: 40px 0 20px;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
  background-size: 200% 100%;
  animation: gradientMove 3s linear infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-grid a {
  color: var(--text-footer);
  display: block;
  margin: 6px 0;
  transition: color 0.3s, padding-left 0.3s;
}

.footer-grid a:hover {
  color: white;
  padding-left: 8px;
  text-decoration: none;
}

.copyright {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-footer);
}

/* 滚动动画 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.6s;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* 回到顶部按钮 */
#backTop {
  position: fixed;
  bottom: 40px;
  right: 30px;
  background: var(--accent);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0,0,0,0.2);
  z-index: 99;
  display: none;
  transition: all 0.3s;
}

#backTop:hover {
  background: var(--accent-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
}

/* 特殊区块背景 */
#products .container > div:last-child,
#solutions .container > div:last-child {
  background: var(--glass-bg);
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

#products .container > div:last-child h3,
#solutions .container > div:last-child h3 {
  color: var(--text-heading);
  margin-bottom: 12px;
}

#products ul,
#solutions ol {
  color: var(--text-secondary);
  margin-left: 20px;
}

#products li,
#solutions li {
  margin-bottom: 8px;
}

/* 列表样式优化 */
ul, ol {
  padding-left: 0;
}

li::marker {
  color: var(--accent);
}

/* 移动端适配 */
@media (max-width: 800px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-nav);
    padding: 16px 24px;
    gap: 12px;
    flex-direction: column;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    backdrop-filter: blur(12px);
  }

  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s ease-out;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .mobile-menu-btn {
    display: flex;
  }

  .search-box {
    display: none;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .hero-visual svg {
    width: 180px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .article-item {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .article-date {
    align-self: flex-end;
  }

  #backTop {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    border-radius: 0 0 24px 24px;
    padding: 32px 0 40px;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    text-align: center;
    width: 100%;
  }
}

/* 暗色模式适配 */
[data-theme="dark"] .card,
[data-theme="dark"] .case-item,
[data-theme="dark"] #products .container > div:last-child,
[data-theme="dark"] #solutions .container > div:last-child {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}

/* 无障碍 */
:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 5px;
}

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