:root {
  --bg: #f8fdf8;
  --card: #ffffff;
  --text: #1a2e1a;
  --subtext: #4a6b4a;
  --primary: #2d8a4e;
  --primary-dark: #1e6b38;
  --primary-light: #e8f5ec;
  --primary-glow: rgba(45, 138, 78, 0.15);
  --accent: #2563eb;
  --accent-light: #eff6ff;
  --accent-dark: #1e40af;
  --border: #d4e8d4;
  --success: #0f9d58;
  --warning: #f59e0b;
  --shadow-sm: 0 4px 12px rgba(26, 46, 26, 0.06);
  --shadow: 0 8px 32px rgba(26, 46, 26, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 46, 26, 0.12);
  --radius: 20px;
  --radius-lg: 28px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(45, 138, 78, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(245, 166, 35, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, #f8fdf8 0%, #f0f9f0 50%, #e8f5ec 100%);
  pointer-events: none;
  z-index: -1;
}

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

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(45, 138, 78, 0.1);
  transition: all 0.3s ease;
}

.topbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(45, 138, 78, 0.2);
}

.brand-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.3);
  transition: transform 0.3s ease;
}

.brand-logo:hover {
  transform: scale(1.05);
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--subtext);
  padding: 8px 14px;
  border-radius: 10px;
  transition: all 0.25s ease;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all 0.25s ease;
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav a:hover::after {
  width: calc(100% - 28px);
}

.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav a.active::after {
  width: calc(100% - 28px);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fdf8 0%, #e8f5ec 50%, #f0f9f0 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(45, 138, 78, 0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(45, 138, 78, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 20px 60px rgba(45, 138, 78, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  padding: 80px 100px;
  position: relative;
  overflow: hidden;
  max-width: 1000px;
  text-align: center;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
  background-size: 200% 100%;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(37, 99, 235, 0.08) 100%);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 32px;
  border: 1px solid rgba(45, 138, 78, 0.2);
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.1);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

h1 {
  margin: 0 0 24px;
  font-size: 56px;
  line-height: 1.2;
  letter-spacing: -2px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  margin: 0 0 12px;
  font-size: 36px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
}

h3 {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

h4 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--subtext);
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-highlight {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.mini-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mini-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

.mini-card .label {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mini-card .value {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
}

.section {
  padding: 60px 0;
  position: relative;
}

.section-header {
  margin-bottom: 32px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(37, 99, 235, 0.08) 100%);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
  border: 1px solid rgba(45, 138, 78, 0.15);
  box-shadow: 0 2px 8px rgba(45, 138, 78, 0.08);
  letter-spacing: 0.5px;
}

.section-title {
  margin: 0 0 12px;
  font-size: 36px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
}

.section-desc {
  margin: 0;
  color: var(--subtext);
  font-size: 17px;
  max-width: 900px;
  line-height: 1.8;
}

.statement {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.statement::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.statement::after {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 80px;
  font-family: Georgia, serif;
  opacity: 0.15;
  line-height: 1;
}

.statement strong {
  display: block;
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 12px;
  font-weight: 700;
  position: relative;
}

.statement span {
  display: block;
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.7;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.card p {
  margin: 0;
  color: var(--subtext);
  font-size: 15px;
  line-height: 1.7;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(45, 138, 78, 0.1) 100%);
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 16px;
  border: 1px solid rgba(45, 138, 78, 0.15);
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.logic-list,
.check-list {
  display: grid;
  gap: 20px;
}

.logic-item,
.check-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.logic-item:hover,
.check-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.logic-num,
.check-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.3);
}

.logic-content p,
.check-content p {
  margin: 0;
  color: var(--subtext);
  font-size: 15px;
  line-height: 1.7;
}

.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.flow-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  min-height: 160px;
  transition: all 0.3s ease;
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.flow-step .step-no {
  font-size: 11px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.flow-step p {
  margin: 0;
  color: var(--subtext);
  font-size: 14px;
  line-height: 1.6;
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--primary-light);
}

.benefit-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.benefit-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.benefit-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--subtext);
}

.benefit-card li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.benefit-card li::marker {
  color: var(--primary);
}

.center-quote {
  margin-top: 28px;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(45, 138, 78, 0.08) 100%);
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 18px;
  position: relative;
}

.center-quote::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
}

.action-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 36px;
}

.action-steps {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.action-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(45, 138, 78, 0.05) 100%);
  border: 1px solid rgba(45, 138, 78, 0.15);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.action-step:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.action-step .num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
  flex: 0 0 36px;
  box-shadow: 0 4px 12px rgba(45, 138, 78, 0.3);
}

.action-step .content p {
  margin: 0;
  color: var(--subtext);
  font-size: 14px;
  line-height: 1.6;
}

.footer {
  padding: 50px 0 80px;
  color: var(--subtext);
  font-size: 14px;
}

.footer-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(45, 138, 78, 0.2);
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  font-weight: 900;
}

.footer-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}

.btns {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 8px 24px rgba(45, 138, 78, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(45, 138, 78, 0.45);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.icon-arrow {
  width: 16px;
  height: 16px;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
  padding: 40px 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 16px 48px rgba(45, 138, 78, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  overflow: hidden;
}

.stats-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.stat-item {
  text-align: center;
  color: white;
  position: relative;
  z-index: 1;
}

.stat-value {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 8px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-label {
  font-size: 14px;
  opacity: 0.95;
  font-weight: 500;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 0.3s ease;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.floating {
  animation: float 4s ease-in-out infinite;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1024px) {
  .hero-card {
    padding: 60px 80px;
  }

  .hero-highlight,
  .grid-3,
  .grid-4,
  .flow,
  .stats-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-step:not(:last-child)::after {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .topbar-inner {
    position: relative;
    flex-direction: row;
    align-items: center;
    padding: 12px 0;
    gap: 12px;
  }

  .brand {
    position: relative;
    z-index: 5;
  }

  .nav {
    justify-content: flex-start;
    width: 100%;
    display: none;
  }

  .nav.active {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-card {
    padding: 40px 24px;
  }

  h1 {
    font-size: 32px;
    letter-spacing: -1px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

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

  .btn {
    width: 100%;
  }

  .stats-bar {
    padding: 24px;
    gap: 16px;
  }

  .stat-value {
    font-size: 28px;
  }

  .scroll-indicator {
    display: none;
  }

  h2 {
    font-size: 24px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .hero-highlight,
  .benefit-wrap,
  .flow,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .statement {
    padding: 28px 24px;
  }

  .statement strong {
    font-size: 20px;
  }
}