/* ========================
   CSS Variables & Reset — 浅色鲜明主题 v3
   浅绿灰底 + 高饱和翠绿，现代专业感
   ======================== */
:root {
  /* 背景色系 — 浅绿灰 */
  --bg: #F5F7F3;
  --bg-alt: #EBF0E6;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFFFF;

  /* 翠绿主色 — 高饱和 */
  --primary: #2ECC71;
  --primary-light: #58D68D;
  --primary-dark: #27AE60;

  /* 深绿辅助 */
  --green-mid: #1E8845;
  --green-deep: #145A2C;

  /* 点缀色 */
  --accent: #F39C12;
  --accent-dark: #E67E22;

  /* 文字 */
  --text: #1A2E1A;
  --text-secondary: #5A7A5A;
  --text-light: #7A9A7A;

  /* 其他 */
  --border: rgba(46, 204, 113, 0.2);
  --border-hover: rgba(46, 204, 113, 0.45);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 8px 30px rgba(46, 204, 113, 0.25);
  --shadow-glow-sm: 0 4px 15px rgba(46, 204, 113, 0.15);
  --glass: rgba(245, 247, 243, 0.9);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul { list-style: none; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================
   Navbar
   ======================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-deep);
}

.logo-icon {
  font-size: 1.6rem;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-links a:hover {
  color: var(--primary-dark);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 1px;
}

/* ========================
   Hero
   ======================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(160deg, #F5F7F3 0%, #E8F5E9 30%, #C8E6C9 50%, #E8F5E9 70%, #F5F7F3 100%);
  overflow: hidden;
}

/* 几何网格 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 204, 113, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 204, 113, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 70%);
}

/* 中心光晕 */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.12) 0%, rgba(88, 214, 141, 0.06) 50%, transparent 70%);
  filter: blur(60px);
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

/* 侧边光晕 */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 10%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(243, 156, 18, 0.08) 0%, transparent 70%);
  filter: blur(50px);
  animation: floatBlob 10s ease-in-out infinite;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(-20px, 15px); }
  66% { transform: translate(15px, -20px); }
}

/* 漂浮叶子 — 可见度高 */
.hero-leaves {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.leaf {
  position: absolute;
  opacity: 0.45;
  animation: leafFloat linear infinite;
}

.leaf:nth-child(1) { left: 8%; animation-duration: 12s; animation-delay: 0s; font-size: 2.2rem; }
.leaf:nth-child(2) { left: 18%; animation-duration: 15s; animation-delay: 2s; font-size: 2.8rem; }
.leaf:nth-child(3) { left: 28%; animation-duration: 14s; animation-delay: 5s; font-size: 1.8rem; }
.leaf:nth-child(4) { left: 40%; animation-duration: 18s; animation-delay: 1s; font-size: 2.6rem; }
.leaf:nth-child(5) { left: 52%; animation-duration: 13s; animation-delay: 4s; font-size: 2rem; }
.leaf:nth-child(6) { left: 62%; animation-duration: 16s; animation-delay: 6s; font-size: 3rem; }
.leaf:nth-child(7) { left: 72%; animation-duration: 14s; animation-delay: 3s; font-size: 2.2rem; }
.leaf:nth-child(8) { left: 82%; animation-duration: 17s; animation-delay: 7s; font-size: 2.4rem; }
.leaf:nth-child(9) { left: 92%; animation-duration: 15s; animation-delay: 2s; font-size: 1.8rem; }
.leaf:nth-child(10) { left: 48%; animation-duration: 19s; animation-delay: 8s; font-size: 2rem; }

@keyframes leafFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  5% { opacity: 0.45; }
  95% { opacity: 0.45; }
  100% { transform: translateY(-120px) rotate(360deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #145a2c 0%, #2ecc71 50%, var(--primary-dark) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-secondary);
  margin-top: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-top: 20px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

/* ========================
   Buttons
   ======================== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(243, 156, 18, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

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

/* ========================
   Scroll Indicator
   ======================== */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-light);
  border-radius: 12px;
  position: relative;
  opacity: 0.5;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { top: 8px; opacity: 1; }
  50% { top: 20px; opacity: 0.3; }
}

/* ========================
   Sections
   ======================== */
.section {
  padding: 120px 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--green-deep);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, #145a2c 0%, #2ecc71 50%, var(--primary-dark) 100%);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 24px auto 64px;
  line-height: 1.8;
}

/* ========================
   About / Stats
   ======================== */
.about {
  background: var(--bg);
}

.about .section-desc {
  max-width: 700px;
}

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

.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

.stat-num {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #145a2c 0%, #2ecc71 50%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-unit {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========================
   Services
   ======================== */
.services {
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 40px 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-card:hover::before {
  opacity: 1;
}

.service-badge {
  display: inline-block;
  padding: 4px 14px;
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(88, 214, 141, 0.08));
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  border: 1px solid rgba(46, 204, 113, 0.15);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--primary);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--green-deep);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.service-cta:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.service-cta svg {
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

/* ========================
   Process / 服务流程
   ======================== */
.process {
  background: var(--bg);
}

.process-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 16px;
}

/* 进度条连线 */
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--accent));
  border-radius: 2px;
  z-index: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.process-step:hover .step-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.step-num {
  display: inline-block;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  line-height: 24px;
  margin-bottom: 12px;
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--green-deep);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 160px;
  margin: 0 auto;
}

/* ========================
   Advantages
   ======================== */
.advantages {
  background: var(--bg-alt);
}

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

.advantage-card {
  padding: 40px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.advantage-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.advantage-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  transition: var(--transition);
}

.advantage-card:hover .advantage-num {
  color: rgba(46, 204, 113, 0.2);
}

.advantage-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--green-deep);
}

.advantage-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ========================
   Contact
   ======================== */
.contact {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--green-deep);
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* ========================
   Footer
   ======================== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green-deep);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--primary);
}

.footer-copy {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ========================
   Scroll Animations
   ======================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================
   Responsive
   ======================== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    flex-wrap: wrap;
    justify-content: center;
  }
  .process-steps::before {
    display: none;
  }
  .process-step {
    flex: 0 0 30%;
    margin-bottom: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: rgba(245, 247, 243, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

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

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

  .process-step {
    flex: 0 0 45%;
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  .section {
    padding: 80px 0;
  }
  .process-step {
    flex: 0 0 100%;
  }
}

/* ========================
   Inner Page Common Styles
   ======================== */

/* Page Banner */
.page-banner {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(160deg, #F5F7F3 0%, #E8F5E9 40%, #C8E6C9 70%, #F5F7F3 100%);
  padding: 120px 24px 60px;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46, 204, 113, 0.1) 0%, transparent 70%);
  filter: blur(60px);
}

.page-banner h1 {
  position: relative;
  z-index: 2;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--green-deep);
  margin-bottom: 16px;
}

/* Breadcrumb */
.breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

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

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

.breadcrumb .separator {
  color: var(--text-light);
}

/* Inner page content */
.inner-content {
  padding: 60px 0;
}

/* Article List */
.article-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.article-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.article-tab:hover,
.article-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.article-cover {
  width: 100%;
  height: 180px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 3rem;
}

.article-body {
  padding: 20px;
}

.article-category {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(46, 204, 113, 0.1);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  margin-bottom: 12px;
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
}

.article-read-more {
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}

.article-read-more:hover {
  color: var(--primary-dark);
}

/* Article Detail */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.article-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-header {
  padding: 32px;
  border-bottom: 1px solid var(--border);
}

.article-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--green-deep);
  margin-bottom: 16px;
  line-height: 1.4;
}

.article-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.article-info .tag {
  padding: 3px 10px;
  background: rgba(46, 204, 113, 0.1);
  color: var(--primary-dark);
  border-radius: 12px;
  font-weight: 600;
}

.article-text {
  padding: 32px;
  line-height: 1.9;
  font-size: 1.05rem;
  color: var(--text);
}

.article-text h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-deep);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

.article-text h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--green-deep);
  margin: 24px 0 12px;
}

.article-text p {
  margin-bottom: 16px;
}

.article-text ul, .article-text ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-text li {
  margin-bottom: 8px;
}

.article-text blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-alt);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-text img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

.article-text code {
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-text pre {
  background: var(--bg-alt);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 16px 0;
}

/* Article Navigation */
.article-nav {
  display: flex;
  justify-content: space-between;
  padding: 24px 32px;
  border-top: 1px solid var(--border);
}

.article-nav a {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  max-width: 45%;
}

.article-nav a:hover {
  color: var(--primary-dark);
}

.article-nav .next {
  text-align: right;
}

/* Sidebar */
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  position: sticky;
  top: 80px;
}

.sidebar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.sidebar-list {
  list-style: none;
}

.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list a {
  color: var(--text);
  font-size: 0.9rem;
  transition: var(--transition);
  display: block;
}

.sidebar-list a:hover {
  color: var(--primary);
}

.sidebar-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-alt);
  color: var(--text-secondary);
  border-radius: 16px;
  font-size: 0.85rem;
  margin: 4px;
  transition: var(--transition);
  cursor: pointer;
}

.sidebar-tag:hover {
  background: var(--primary);
  color: #fff;
}

/* Case Cards */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.case-cover {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--bg-alt), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 3rem;
}

.case-info {
  padding: 20px;
}

.case-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 8px;
}

.case-industry {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(46, 204, 113, 0.1);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  margin-bottom: 12px;
}

.case-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Case Detail */
.case-detail-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.case-detail-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-deep);
  margin: 32px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.case-detail-content h2:first-child {
  margin-top: 0;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.case-stat {
  text-align: center;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: 12px;
}

.case-stat h4 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.case-stat p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.case-quote {
  background: var(--bg-alt);
  border-left: 4px solid var(--primary);
  padding: 24px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
}

.case-quote p {
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.case-quote cite {
  color: var(--text);
  font-weight: 600;
  font-style: normal;
}

/* Team Page */
.team-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.team-story-image {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, var(--bg-alt), var(--border));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-light);
}

.team-story-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 16px;
}

.team-story-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.team-member {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-alt), var(--border));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--text-light);
  border: 3px solid var(--border);
}

.team-member h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 4px;
}

.team-member .position {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.team-member p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.value-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.value-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Service Detail */
.service-hero {
  text-align: center;
  padding: 60px 0;
}

.service-hero .service-icon-lg {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(88, 214, 141, 0.08));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 2.5rem;
}

.service-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green-deep);
  margin-bottom: 12px;
}

.service-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.service-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.service-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.service-checklist {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.service-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-alt);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
}

.service-checklist li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Timeline */
.service-timeline {
  position: relative;
  padding-left: 32px;
}

.service-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--bg);
}

.timeline-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--green-deep);
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Pricing Table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--green-deep);
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table .price {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--green-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--border);
}

.faq-answer {
  padding: 16px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}

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

.faq-item.active .faq-question {
  background: var(--primary);
  color: #fff;
}

/* Service CTA */
.service-cta-section {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, var(--bg-alt), rgba(46, 204, 113, 0.05));
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.service-cta-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 12px;
}

.service-cta-section p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Responsive for inner pages */
@media (max-width: 1024px) {
  .article-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-card {
    position: static;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-checklist {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .article-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }
  .team-story {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .case-stats {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
  .page-banner {
    padding: 100px 24px 40px;
    min-height: 200px;
  }
  .inner-content {
    padding: 40px 0;
  }
}
