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

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #ffffff;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

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

/* 动态背景 */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  opacity: 0.5;
}

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

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.3), transparent);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3), transparent);
  bottom: -150px;
  right: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #1f2937;
  font-weight: 700;
  font-size: 18px;
  transition: transform 0.3s ease;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
  position: relative;
  overflow: hidden;
}

.logo-mark::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.logo-text {
  font-size: 20px;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.nav-link {
  color: #4b5563;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #1f2937;
}

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

.nav-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid rgba(148, 163, 184, 0.5);
}

.lang-btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 4px 10px;
  font-size: 12px;
  background: transparent;
  color: #4b5563;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn-active {
  border-color: rgba(148, 163, 184, 0.5);
  background: rgba(249, 250, 251, 0.8);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(229, 231, 235, 0.8);
  background: rgba(249, 250, 251, 0.8);
  padding: 0 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-toggle:hover {
  background: rgba(243, 244, 246, 0.9);
  border-color: rgba(209, 213, 219, 0.9);
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: #4b5563;
  transition: all 0.3s ease;
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(180deg, #f9fafb 0%, #ffffff 50%, #f0f9ff 100%);
  color: #1f2937;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(229, 231, 235, 0.8);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  font-size: 12px;
  color: #4b5563;
  margin-bottom: 20px;
  animation: fadeInUp 0.5s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.hero-title {
  font-size: 48px;
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  font-weight: 700;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.accent {
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.accent::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
  opacity: 0.3;
  border-radius: 2px;
}

.hero-subtitle {
  margin: 0 0 32px;
  font-size: 18px;
  color: #6b7280;
  animation: fadeInUp 0.6s ease 0.2s both;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  color: #f9fafb;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(34, 197, 94, 0.5);
}

.btn-outline {
  border: 2px solid rgba(229, 231, 235, 0.8);
  color: #4b5563;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(249, 250, 251, 0.95);
  border-color: rgba(14, 165, 233, 0.5);
  color: #1f2937;
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  animation: fadeInRight 0.7s ease 0.2s both;
}

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

.hero-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  border-radius: 24px;
  padding: 20px;
  border: 1px solid rgba(229, 231, 235, 0.8);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  min-width: 300px;
  max-width: 380px;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(34, 197, 94, 0.1), transparent);
  animation: cardShine 4s infinite;
}

@keyframes cardShine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.hero-screen {
  border-radius: 18px;
  overflow: hidden;
  background: #1f2937;
  border: 1px solid rgba(229, 231, 235, 0.5);
  position: relative;
  z-index: 1;
}

.hero-screen-header {
  height: 24px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(90deg, #1f2937, #374151);
  border-bottom: 1px solid rgba(75, 85, 99, 0.3);
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  box-shadow: 0 0 4px currentColor;
}

.hero-dot-red {
  background: #ef4444;
  color: #ef4444;
}

.hero-dot-yellow {
  background: #facc15;
  color: #facc15;
}

.hero-dot-green {
  background: #22c55e;
  color: #22c55e;
}

.hero-screen-body {
  display: flex;
  align-items: flex-start;
  padding: 14px;
  gap: 12px;
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.2), #1f2937);
  min-height: 120px;
}

.code-gutter {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 24px;
  font-size: 10px;
  color: #4b5563;
  font-family: 'Courier New', monospace;
}

.code-gutter span {
  text-align: right;
}

.code-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.code-line {
  height: 8px;
  border-radius: 999px;
  background: rgba(31, 41, 55, 0.9);
  animation: codePulse 2s ease-in-out infinite;
}

.code-line:nth-child(odd) {
  animation-delay: 0.2s;
}

@keyframes codePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.code-line-keyword {
  width: 70%;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
}

.code-line-highlight {
  width: 78%;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.code-line-comment {
  width: 60%;
  background: #4b5563;
}

.code-line.short {
  width: 40%;
}

.code-line.shorter {
  width: 28%;
}

.hero-screen-footer {
  border-top: 1px solid rgba(75, 85, 99, 0.3);
  padding: 10px 14px;
  background: #1f2937;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-badges span {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 10px;
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(55, 65, 81, 0.9);
  font-weight: 500;
}

/* Sections */
.section {
  padding: 80px 0;
  background: #ffffff;
  position: relative;
  z-index: 1;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.2), transparent);
}

.section-alt {
  background: #f9fafb;
}

.section-title {
  margin: 0 0 16px;
  font-size: 36px;
  text-align: left;
  color: #1f2937;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
  animation: titleGlow 2s ease-in-out infinite;
}

@keyframes titleGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(34, 197, 94, 0.5); }
  50% { box-shadow: 0 0 20px rgba(34, 197, 94, 0.8); }
}

.section-lead {
  max-width: 880px;
  color: #6b7280;
  line-height: 1.8;
  margin: 0 0 32px;
  font-size: 16px;
}

.card {
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.8);
  padding: 24px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #22c55e, #0ea5e9);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(14, 165, 233, 0.1) inset;
  border-color: rgba(14, 165, 233, 0.3);
}

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

.card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: #1f2937;
  font-weight: 600;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* Platform grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.platform-card {
  text-align: left;
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.8), #ffffff);
}

.platform-card h3 {
  font-size: 16px;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tool grid */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.tool-card {
  min-height: 140px;
}

/* Benefit grid */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.benefit-card {
  background: linear-gradient(135deg, rgba(236, 253, 245, 0.8), #ffffff);
}

.benefit-card h3 {
  font-size: 20px;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Brand grid */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.brand-card {
  background: linear-gradient(135deg, rgba(245, 243, 255, 0.8), #ffffff);
}

/* Timeline */
.timeline {
  margin-top: 40px;
  border-left: 3px solid rgba(229, 231, 235, 0.8);
  padding-left: 32px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #22c55e, #0ea5e9);
  opacity: 0.5;
  animation: timelineFlow 3s ease-in-out infinite;
}

@keyframes timelineFlow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

.timeline-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  animation: fadeInUp 0.5s ease both;
}

.timeline-step:nth-child(1) { animation-delay: 0.05s; }
.timeline-step:nth-child(2) { animation-delay: 0.1s; }
.timeline-step:nth-child(3) { animation-delay: 0.15s; }
.timeline-step:nth-child(4) { animation-delay: 0.2s; }

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-left: -56px;
  margin-right: 16px;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
  flex-shrink: 0;
}

.timeline-step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #1f2937;
  font-weight: 600;
}

.timeline-step p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* Demo grid */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.demo-card {
  background: linear-gradient(135deg, rgba(245, 243, 255, 0.8), #ffffff);
}

/* Ecosystem */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.ecosystem-card {
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.8), #ffffff);
}

/* IDE Links */
.ide-container {
  margin-top: 32px;
  max-width: 900px;
}

.ide-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ide-links-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.ide-links-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.1), transparent);
  transition: left 0.5s ease;
}

.ide-links-item:hover::before {
  left: 100%;
}

.ide-links-item:hover {
  transform: translateX(8px) translateY(-2px);
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.4);
  background: #ffffff;
}

.ide-links-item i {
  color: #0ea5e9;
  font-size: 18px;
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: 1;
}

.ide-links-item:hover i {
  transform: translate(4px, -4px) scale(1.1);
  color: #22c55e;
}

.ide-links-item a {
  color: #1f2937;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  flex: 1;
  transition: color 0.3s ease;
  z-index: 1;
}

.ide-links-item:hover a {
  color: #0ea5e9;
}

/* Partner placeholder */
.partner-placeholder {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
  justify-content: center;
}

.partner-tag {
  padding: 12px 24px;
  border-radius: 12px;
  border: 1px solid rgba(229, 231, 235, 0.8);
  font-size: 14px;
  background: #ffffff;
  color: #4b5563;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.partner-tag:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.15);
  background: #ffffff;
  color: #1f2937;
}

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

::-webkit-scrollbar-track {
  background: #f9fafb;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #22c55e, #0ea5e9);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #0ea5e9, #22c55e);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.1fr);
    gap: 40px;
  }

  .hero-visual {
    justify-content: center;
  }

  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .demo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ide-container {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 64px 0 auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.8);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 8px 0;
    width: 100%;
  }

  .nav-lang {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: 12px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .platform-grid,
  .tool-grid,
  .benefit-grid,
  .demo-grid,
  .ecosystem-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .ide-links-item {
    padding: 16px 20px;
  }

  .ide-links-item a {
    font-size: 14px;
  }

  .section {
    padding: 60px 0;
  }

  .timeline {
    padding-left: 24px;
  }

  .step-index {
    width: 36px;
    height: 36px;
    margin-left: -48px;
  }
}