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

:root {
  --primary-color: #3877fa;
  --primary-gradient: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  --dark-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 8px 32px rgba(56, 119, 250, 0.4);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #0a0a0a;
  background-color: #fafafa;
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

.pricing-section {
  padding: 100px 0;
  background: #fff;
}

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

.pricing-header {
  text-align: center;
  margin-bottom: 48px;
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #e5e7eb;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.pricing-title {
  font-size: 36px;
  font-weight: 800;
  color: #0a0a0a;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.pricing-subtitle {
  font-size: 16px;
  color: #666;
  margin: 0;
}

.pricing-tables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.pricing-table {
  background: #fff;
  border-radius: 16px;
  border: 1.5px solid #e5e7eb;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.pricing-table:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.pro-table {
  border-color: #3877fa;
  box-shadow: 0 4px 16px rgba(56, 119, 250, 0.1);
}

.pro-table:hover {
  box-shadow: 0 16px 40px rgba(56, 119, 250, 0.2);
}

.custom-table {
  border-color: #8b5cf6;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.1);
}

.custom-table:hover {
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.2);
}

.popular-tag {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #fff;
  padding: 8px 20px;
  border-radius: 0 0 100px 100px;
  font-size: 12px;
  font-weight: 700;
}

.table-header {
  text-align: center;
  padding: 32px 24px 20px;
}

.free-header {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.pro-header {
  background: linear-gradient(135deg, #eef4ff 0%, #e0ebff 100%);
}

.custom-header {
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.table-name {
  font-size: 20px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 12px;
}

.table-price {
  margin-bottom: 8px;
}

.price-symbol {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  vertical-align: top;
}

.price-value {
  font-size: 48px;
  font-weight: 900;
  color: #0a0a0a;
  letter-spacing: -1px;
  line-height: 1;
}

.price-period {
  font-size: 14px;
  color: #999;
  font-weight: 500;
}

.pro-header .price-symbol,
.pro-header .price-value {
  color: #3877fa;
}

.free-header .price-value {
  font-size: 24px;
  color: #333;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.custom-header .price-value {
  font-size: 24px;
  color: #8b5cf6;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.table-desc {
  font-size: 13px;
  color: #999;
  margin: 0;
}

.table-body {
  padding: 0 24px;
}

.feature-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid #f5f5f5;
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-name {
  font-size: 14px;
  color: #333;
  font-weight: 500;
}

.feature-status {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-status.yes {
  color: #10b981;
}

.feature-status.no {
  color: #d1d5db;
}

.feature-value {
  font-size: 13px;
  color: #3877fa;
  font-weight: 600;
}

.table-btn {
  display: block;
  text-align: center;
  padding: 14px 24px;
  margin: 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-free {
  background: #1a1a1a;
  color: #fff;
}

.btn-free:hover {
  background: #000;
}

.btn-pro {
  background: var(--primary-gradient);
  color: #fff;
}

.btn-pro:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(56, 119, 250, 0.3);
}

.btn-custom {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: #fff;
}

.btn-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.pricing-notes {
  text-align: center;
  margin-bottom: 40px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-radius: 12px;
}

.note-text {
  font-size: 15px;
  color: #0369a1;
  margin: 0;
  font-weight: 500;
}

.item-name {
  font-size: 14px;
  color: #333;
  font-weight: 500;
}

.item-value {
  font-size: 13px;
  color: #666;
  font-weight: 600;
}

.item-value.highlight {
  color: #3877fa;
  font-weight: 700;
}

.item-status {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.item-status svg {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.item-status.available {
  background: rgba(56, 119, 250, 0.1);
}

.item-status.available svg {
  color: #3877fa;
}

.item-status.unavailable {
  background: #f5f5f5;
}

.item-status.unavailable svg {
  color: #ccc;
}

.plan-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-free {
  background: #1a1a1a;
  color: #fff;
}

.btn-free:hover {
  background: #000;
  transform: translateY(-2px);
}

.btn-pro {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 6px 20px rgba(56, 119, 250, 0.3);
}

.btn-pro:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(56, 119, 250, 0.45);
}

.btn-custom {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.3);
}

.btn-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(139, 92, 246, 0.45);
}

@media (max-width: 768px) {
  .pricing-section {
    padding: 60px 20px;
  }
  
  .pricing-title {
    font-size: 28px;
  }
  
  .pricing-tables {
    grid-template-columns: 1fr;
  }
  
  .price-value {
    font-size: 40px;
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(
    135deg, 
    rgba(56, 119, 250, 0.95) 0%, 
    rgba(37, 99, 235, 0.95) 40%,
    rgba(57, 94, 232, 0.95) 70%,
    rgba(79, 140, 255, 0.92) 100%
  );
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  height: 62px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo a {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  transition: transform 0.3s ease;
}

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

.nav-menu {
  display: flex;
  gap: 48px;
  align-items: center;
}

.nav-link {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-link:hover {
  color: #fff;
}

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

.btn-contact {
  background: rgba(255, 255, 255, 0.15);
  padding: 10px 28px;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-weight: 600;
  color: #fff;
}

.btn-contact:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-contact::after {
  display: none;
}

.hero {
  position: relative;
  padding-top: 80px;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  overflow: hidden;
}

.hero-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 0px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  box-sizing: border-box;
}

.hero-left {
  flex: 1;
  text-align: left;
}

.hero-right {
  width: 500px;
  flex-shrink: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 25s ease-in-out infinite;
}

.hero-particles::before {
  top: -250px;
  left: -250px;
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.3), rgba(37, 99, 235, 0.3));
  box-shadow: 
    0 0 120px rgba(56, 119, 250, 0.2),
    0 0 240px rgba(37, 99, 235, 0.15),
    inset 0 0 80px rgba(56, 119, 250, 0.1);
}

.hero-particles::after {
  bottom: -250px;
  right: -250px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(56, 119, 250, 0.3));
  animation-delay: -12s;
  box-shadow: 
    0 0 120px rgba(37, 99, 235, 0.2),
    0 0 240px rgba(56, 119, 250, 0.15),
    inset 0 0 80px rgba(37, 99, 235, 0.1);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  25% { transform: translate(60px, -60px) scale(1.15) rotate(5deg); }
  50% { transform: translate(0, 60px) scale(0.85) rotate(-5deg); }
  75% { transform: translate(-60px, -30px) scale(1.1) rotate(3deg); }
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(102, 126, 234, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 126, 234, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
  animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(80px, 80px); }
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.12) 0%, transparent 60%);
  animation: pulseGlow 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulseGlow {
  0%, 100% { 
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.3);
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 15% 85%, rgba(102, 126, 234, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(118, 75, 162, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.08) 0%, transparent 50%);
  animation: bgShift 12s ease-in-out infinite;
  pointer-events: none;
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}

.hero-orb-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
  top: 20%;
  left: 10%;
  animation: orbFloat1 15s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(102, 126, 234, 0.3);
}

.hero-orb-2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(118, 75, 162, 0.3) 0%, transparent 70%);
  bottom: 20%;
  right: 15%;
  animation: orbFloat2 18s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(118, 75, 162, 0.3);
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.25) 0%, transparent 70%);
  top: 60%;
  left: 40%;
  animation: orbFloat3 20s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(102, 126, 234, 0.25);
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  33% { transform: translate(80px, -60px) scale(1.2); opacity: 1; }
  66% { transform: translate(-40px, 40px) scale(0.8); opacity: 0.4; }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  33% { transform: translate(-60px, 80px) scale(1.2); opacity: 1; }
  66% { transform: translate(40px, -40px) scale(0.8); opacity: 0.4; }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(60px, 60px) scale(1.3); opacity: 0.9; }
}

.hero-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-lines::before,
.hero-lines::after {
  content: '';
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
  height: 1px;
  width: 200px;
  animation: lineMove 8s ease-in-out infinite;
}

.hero-lines::before {
  top: 30%;
  left: -200px;
  animation-delay: 0s;
}

.hero-lines::after {
  top: 70%;
  left: -200px;
  animation-delay: -4s;
}

@keyframes lineMove {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(calc(100vw + 400px)); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 119, 250, 0.1);
  border: 1px solid rgba(56, 119, 250, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  color: #3877fa;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  color: #0a0a0a;
  margin-bottom: 20px;
  letter-spacing: -2px;
  line-height: 1.1;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .subtitle {
  font-size: 18px;
  color: #666666;
  margin-bottom: 40px;
  line-height: 1.6;
  font-weight: 400;
  max-width: 600px;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-gradient);
  color: #fff;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::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 0.6s;
}

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

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 40px rgba(56, 119, 250, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(56, 119, 250, 0.08);
  color: #3877fa;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(56, 119, 250, 0.2);
}

.btn-secondary:hover {
  background: rgba(56, 119, 250, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(56, 119, 250, 0.2);
  border-color: rgba(56, 119, 250, 0.35);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  margin-top: 80px;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.changelog-panel {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 24px;
  overflow: hidden;
  width: 100%;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-icon {
  width: 44px;
  height: 44px;
  background: rgba(56, 119, 250, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-icon svg {
  width: 22px;
  height: 22px;
  color: #3877fa;
}

.panel-title h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 0;
}

.panel-subtitle {
  font-size: 12px;
  color: #999999;
}

.panel-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.changelog-panel .changelog-list {
  padding: 4px 0;
  max-height: 280px;
  overflow-y: auto;
}

.changelog-panel .changelog-list::-webkit-scrollbar {
  width: 4px;
}

.changelog-panel .changelog-list::-webkit-scrollbar-track {
  background: transparent;
}

.changelog-panel .changelog-list::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
}

.changelog-panel .log-item-link {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.changelog-panel .log-item-link:hover {
  background: rgba(56, 119, 250, 0.03);
}

.changelog-panel .log-item {
  display: flex;
  align-items: center;
  width: 100%;
}

.changelog-panel .log-dot {
  width: 8px;
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 12px;
}

.changelog-panel .log-item:first-child .log-dot {
  background: #3877fa;
}

.changelog-panel .log-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.changelog-panel .log-version {
  font-size: 14px;
  font-weight: 600;
  color: #0a0a0a;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.changelog-panel .log-desc {
  font-size: 13px;
  color: #666666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.changelog-panel .log-time {
  font-size: 12px;
  color: #999999;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 12px;
}

.home-changelog-list {
  padding: 4px 0;
}

.home-log-item {
  display: block;
  padding: 10px 20px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.home-log-item:hover {
  background: rgba(56, 119, 250, 0.03);
}

.home-log-inner {
  display: flex;
  align-items: flex-start;
}

.home-log-dot {
  width: 8px;
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 12px;
  margin-top: 5px;
}

.home-log-item:first-child .home-log-dot {
  background: #3877fa;
}

.home-log-content {
  flex: 1;
  min-width: 0;
}

.home-log-version {
  font-size: 13px;
  font-weight: 600;
  color: #0a0a0a;
  font-family: 'SF Mono', 'Fira Code', monospace;
  display: block;
}

.home-log-desc {
  font-size: 13px;
  color: #666666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  margin-top: 2px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -2px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

.section {
  padding: 100px 0;
  max-width: 1200px;
  margin: 0 auto;
}

.features {
  width: 100% !important;
  max-width: 100%;
  background:#fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.changelog-section {
  padding: 100px 0;
  background: #fafafa;
}

.changelog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
}

.changelog-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e8e8e8;
  overflow: hidden;
  transition: all 0.3s ease;
}

.changelog-card:hover {
  box-shadow: 0 8px 32px rgba(56, 119, 250, 0.1);
  border-color: rgba(56, 119, 250, 0.2);
  transform: translateY(-2px);
}

.changelog-link {
  display: block;
  padding: 24px;
  text-decoration: none;
  color: inherit;
}

.changelog-card-header {
  margin-bottom: 12px;
}

.changelog-version {
  display: inline-block;
  background: rgba(56, 119, 250, 0.1);
  color: #3877fa;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.changelog-title {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 8px;
}

.changelog-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.section-more {
  text-align: center;
}

.hero-right {
  width: 580px;
  flex-shrink: 0;
}


.preview-image {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 1024px) {
  .hero-right {
    display: none;
  }
}

.changelog-panel {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.changelog-panel-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-icon {
  width: 44px;
  height: 44px;
  background: rgba(56, 119, 250, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-icon svg {
  width: 22px;
  height: 22px;
  color: #3877fa;
}

.panel-title h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 0;
}

.panel-subtitle {
  font-size: 12px;
  color: #999999;
}

.panel-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.changelog-panel .changelog-list {
  padding: 4px 0;
}

.changelog-panel .log-item {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.changelog-panel .log-item:hover {
  background: rgba(56, 119, 250, 0.03);
}

.changelog-panel .log-dot {
  width: 6px;
  height: 6px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 10px;
}

.changelog-panel .log-item:first-child .log-dot {
  background: #3877fa;
}

.changelog-panel .log-content {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.changelog-panel .log-version {
  font-size: 12px;
  font-weight: 600;
  color: #3877fa;
  font-family: 'SF Mono', 'Fira Code', monospace;
  flex-shrink: 0;
}

.changelog-panel .log-desc {
  font-size: 13px;
  color: #666666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #3877fa;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 16px;
  color: #666;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 ;
}

.feature-card-wrapper {
  position: relative;
}

.feature-link {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
}

.feature-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(56, 119, 250, 0.1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(56, 119, 250, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  transition: all 0.4s ease;
}

.feature-card:hover::before {
  transform: scale(1.5);
  background: radial-gradient(circle, rgba(56, 119, 250, 0.12) 0%, transparent 70%);
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 20px 40px rgba(56, 119, 250, 0.15),
    0 8px 20px rgba(56, 119, 250, 0.1),
    0 2px 8px rgba(56, 119, 250, 0.08);
  border-color: rgba(56, 119, 250, 0.3);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.08) 0%, rgba(37, 99, 235, 0.08) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(56, 119, 250, 0.4);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: #3877fa;
  transition: all 0.4s ease;
}

.feature-icon i {
  font-size: 28px;
  color: #3877fa;
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon svg {
  color: #fff;
  transform: scale(1.15);
}

.feature-card:hover .feature-icon i {
  color: #fff;
  transform: scale(1.15);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
  position: relative;
  z-index: 1;
}

.feature-card p {
  font-size: 15px;
  color: #666;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.feature-arrow {
  position: absolute;
  bottom: 32px;
  right: 32px;
  color: #999;
  transition: all 0.4s ease;
  opacity: 0.5;
}

.feature-card:hover .feature-arrow {
  opacity: 1;
  transform: translateX(4px);
  color: #3877fa;
}

.feature-card-wrapper:has(.feature-link) .feature-card {
  cursor: pointer;
}

.cta-section {
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  margin: 0;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: ctaGridMove 25s linear infinite;
  pointer-events: none;
}

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

.cta-section::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
  animation: ctaPulse 10s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ctaPulse {
  0%, 100% { 
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  50% { 
    opacity: 0.7;
    transform: translate(-50%, -50%) scale(1.3);
  }
}

.cta-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.cta-deco-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  top: -20%;
  right: -15%;
  animation: decoFloat1 25s ease-in-out infinite;
  box-shadow: 0 0 150px rgba(255, 255, 255, 0.1);
}

.cta-deco-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
  bottom: -15%;
  left: -10%;
  animation: decoFloat2 30s ease-in-out infinite;
  box-shadow: 0 0 150px rgba(255, 255, 255, 0.08);
}

.cta-deco-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: decoFloat3 20s ease-in-out infinite;
}

.cta-deco-4 {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
  top: 30%;
  left: 20%;
  animation: decoFloat4 18s ease-in-out infinite;
  pointer-events: none;
  box-shadow: 0 0 80px rgba(255, 255, 255, 0.15);
}

.cta-deco-5 {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  bottom: 25%;
  right: 25%;
  animation: decoFloat5 22s ease-in-out infinite;
  pointer-events: none;
  box-shadow: 0 0 80px rgba(255, 255, 255, 0.1);
}

@keyframes decoFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-60px, 50px); }
}

@keyframes decoFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(50px, -60px); }
}

@keyframes decoFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes decoFloat4 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(40px, -40px) scale(1.3); opacity: 1; }
}

@keyframes decoFloat5 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(-40px, 40px) scale(1.3); opacity: 1; }
}

.cta-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.cta-left {
  text-align: left;
}

.cta-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.label-dot {
  width: 8px;
  height: 8px;
  background: #3877fa;
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.cta-title {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: #fff;
}

.cta-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.6;
}

.cta-proof {
  display: flex;
  align-items: center;
  gap: 16px;
}

.proof-avatars {
  display: flex;
}

.proof-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-left: -12px;
  transition: all 0.3s;
}

.proof-avatar:first-child {
  margin-left: 0;
}

.proof-avatar:hover {
  transform: translateY(-4px);
  z-index: 1;
}

.proof-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.cta-right {
  display: flex;
  justify-content: center;
}

.cta-card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  padding: 48px;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-card:hover {
  transform: translateY(-8px);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: 0 24px 64px rgba(102, 126, 234, 0.15);
}

.card-glow {
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
  pointer-events: none;
  animation: cardGlow 8s ease-in-out infinite;
}

@keyframes cardGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 30px) scale(1.1); }
}

.card-content {
  position: relative;
  z-index: 1;
}

.card-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #3877fa, #2563eb);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.card-icon svg {
  width: 36px;
  height: 36px;
  color: #fff;
}

.card-title {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.card-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin-bottom: 32px;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: #0a0a0a;
  padding: 16px 32px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.card-btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  transition: left 0.6s;
}

.card-btn-primary:hover::before {
  left: 100%;
}

.feature-compare {
  background: #fafafa;
  padding: 100px 0;
}

.feature-compare .section-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.compare-table {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.compare-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  padding: 24px 0;
}

.compare-header .compare-col {
  text-align: center;
  padding: 0 20px;
}

.compare-header .feature-col {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  font-size: 15px;
}

.compare-header .col-header {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.compare-header .col-price {
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  font-weight: 700;
}

.compare-header .col-price span {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
}

.compare-body {
  border-top: 1px solid #e8e8e8;
}

.compare-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.2s;
}

.compare-row:hover {
  background-color: #fafafa;
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-body .compare-col {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-body .feature-col {
  justify-content: flex-start;
  color: #333;
  font-weight: 500;
}

.compare-body .free-col,
.compare-body .vip-col {
  justify-content: center;
}

.compare-body .yes {
  color: #10b981;
  font-size: 20px;
  font-weight: bold;
}

.compare-body .no {
  color: #ef4444;
  font-size: 20px;
  font-weight: bold;
}

.compare-body .limited {
  color: #f59e0b;
  font-size: 13px;
  font-weight: 600;
}

.compare-body .price {
  color: #3877fa;
  font-size: 13px;
  font-weight: 600;
}

.card-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.25);
}

.card-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  text-decoration: none;
}

.card-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.tutorials {
  background: #ffffff;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  width: 100%;
  min-width: 100vw;
}

.tutorials .hero-particles,
.tutorials .hero-grid,
.tutorials .hero-lines,
.tutorials .hero-orb {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.tutorials .hero-particles {
  overflow: hidden;
}

.tutorials .hero-grid {
  background-image: 
    linear-gradient(rgba(56, 119, 250, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 119, 250, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: gridMove 30s linear infinite;
}

.tutorials .hero-lines {
  pointer-events: none;
  overflow: hidden;
}

.tutorials .hero-orb {
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}

.tutorials .hero-orb-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(56, 119, 250, 0.15) 0%, transparent 70%);
  top: 20%;
  left: 10%;
  animation: orbFloat1 15s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(56, 119, 250, 0.1);
}

.tutorials .hero-orb-2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  bottom: 20%;
  right: 15%;
  animation: orbFloat2 18s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(37, 99, 235, 0.1);
}

.tutorials .hero-orb-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(56, 119, 250, 0.12) 0%, transparent 70%);
  top: 60%;
  left: 40%;
  animation: orbFloat3 20s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(56, 119, 250, 0.08);
}

.tutorials .section-wrapper {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.tutorials .section-header .section-label {
  color: #3877fa;
}

.tutorials .section-header .section-title {
  color: #0a0a0a;
}

.tutorials .section-header .section-subtitle {
  color: #666;
}

.tutorials .tab-btn {
  background: rgba(56, 119, 250, 0.08);
  border: 1px solid rgba(56, 119, 250, 0.2);
  color: #3877fa;
}

.tutorials .tab-btn:hover {
  background: rgba(56, 119, 250, 0.15);
  border-color: rgba(56, 119, 250, 0.4);
}

.tutorials .tab-btn.active {
  background: linear-gradient(135deg, #3877fa, #2563eb);
  border-color: transparent;
  color: #fff;
}

.tutorials .tutorial-card {
  background: #fff;
  border: 1px solid #e8e8e8;
}

.tutorials .tutorial-card:hover {
  background: #fff;
  border-color: rgba(56, 119, 250, 0.4);
  box-shadow: 0 8px 24px rgba(56, 119, 250, 0.1);
}

.tutorials .tutorial-card h3 a {
  color: #0a0a0a;
}

.tutorials .tutorial-card p {
  color: #666;
}

.tutorials .tutorial-meta span {
  color: #999;
}

.tutorials .tutorial-tag {
  background: rgba(56, 119, 250, 0.1);
  color: #3877fa;
}

.tutorials .tutorial-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.tutorials .tutorial-link:hover h3 {
  color: #3877fa;
}

.tutorials .faq-item h3 {
  color: #0a0a0a;
}

.tutorials .faq-item p {
  color: #666;
}

.tutorial-tabs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.tab-nav {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  justify-content: center;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-btn.active {
  background: #3877fa;
  color: #fff;
  border-color: #3877fa;
}

.tab-btn:hover:not(.active) {
  border-color: #3877fa;
  color: #3877fa;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.tutorial-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid #e8e8e8;
  padding: 28px;
}

.tutorial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: #d0d0d0;
}

.tutorial-info {
  padding: 0;
}

.tutorial-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.tutorial-tag {
  font-size: 12px;
  font-weight: 600;
  color: #3877fa;
  background: rgba(102, 126, 234, 0.1);
  padding: 5px 12px;
  border-radius: 6px;
}

.tutorial-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tutorial-icon.article-icon {
  background: rgba(56, 119, 250, 0.1);
  color: #3877fa;
}

.tutorial-icon.video-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.tutorial-icon.faq-icon {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.tutorial-card h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 12px;
  line-height: 1.45;
  letter-spacing: -0.2px;
}

.tutorial-read-time {
  font-size: 13px;
  color: #888;
}

.tutorial-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 12px;
  line-height: 1.45;
  letter-spacing: -0.2px;
}

.tutorial-card h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

.tutorial-card h3 a:hover {
  color: #3877fa;
}

.tutorial-card p {
  font-size: 15px;
  color: #555;
  line-height: 1.65;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tutorial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid #f0f0f0;
}

.tutorial-date {
  font-size: 13px;
  color: #888;
}

.tutorial-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #3877fa;
  text-decoration: none;
  transition: all 0.3s;
}

.tutorial-link:hover {
  color: #2563eb;
  gap: 10px;
}



.faq-section {
  background: #fff;
}

.faq-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.faq-item {
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 12px;
}

.faq-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.footer-qrcode-container {
  display: flex;
  gap: 24px;
  margin-top: 16px;
}

.footer-qrcode {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-qrcode .qrcode-img {
  width: 100px;
  height: 100px;
  border-radius: 5px;
  overflow: hidden;
  background: #fff;
  padding: 5px;
  box-sizing: border-box;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.footer-qrcode .qrcode-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.footer-qrcode .qrcode-text {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  text-align: center;
}

@media (max-width: 1024px) {
  .tutorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .tab-nav {
    flex-direction: column;
  }
  
  .tab-btn {
    justify-content: center;
  }
}

.footer {
  position: relative;
  background: linear-gradient(135deg, #1e3a8a 0%, #395ee8 30%, #3877fa 70%, #4f8cff 100%);
  color: #fff;
  padding: 60px 56px 24px;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

.footer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(100, 181, 246, 0.15) 0%, transparent 30%),
              radial-gradient(circle at 70% 80%, rgba(66, 165, 245, 0.1) 0%, transparent 30%),
              radial-gradient(circle at 50% 50%, rgba(56, 119, 250, 0.08) 0%, transparent 40%);
  animation: pulse 8s ease-in-out infinite;
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

.footer-content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 12px;
  max-width: 260px;
}

.footer-section h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.1px;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.2s ease;
}

.footer-section ul li a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

@media (max-width: 1024px) {
  .nav-container {
    padding: 0 32px;
  }

  .nav-menu {
    gap: 32px;
  }

  .hero-wrapper {
    max-width: 100%;
    padding: 80px 32px;
    gap: 60px;
  }

  .hero h1 {
    font-size: 48px;
    letter-spacing: -1.5px;
  }

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

  .section {
    padding: 80px 32px;
  }

  .section-title {
    font-size: 36px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .cta-wrapper {
    max-width: 100%;
    gap: 60px;
  }

  .cta-title {
    font-size: 40px;
  }

  .pricing-section {
    padding: 80px 32px;
  }

  .tutorials {
    padding: 80px 32px;
  }

  .cta-section {
    padding: 80px 32px;
  }

  .footer {
    padding: 80px 32px 30px;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

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

  .nav-container {
    padding: 0 20px;
  }

  .logo a {
    font-size: 18px;
  }

  .nav-menu {
    gap: 20px;
  }

  .nav-link {
    font-size: 14px;
  }

  .btn-contact {
    padding: 8px 20px;
    font-size: 13px;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-wrapper {
    flex-direction: column;
    gap: 48px;
    padding: 60px 20px;
  }

  .hero-left {
    text-align: center;
    justify-content: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-badge {
    margin-bottom: 20px;
  }

  .hero h1 {
    font-size: 36px;
    letter-spacing: -1px;
    margin-bottom: 16px;
  }

  .hero .subtitle {
    font-size: 15px;
    margin-bottom: 32px;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-right {
    justify-content: center;
    max-width: 100%;
  }

  .changelog-panel {
    max-width: 400px;
    width: 100%;
  }

  .section {
    padding: 60px 20px;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-label {
    font-size: 12px;
    padding: 5px 14px;
  }

  .section-title {
    font-size: 28px;
    margin-bottom: 12px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 32px 24px;
  }

  .cta-section {
    padding: 60px 20px;
  }

  .tutorials {
    padding: 60px 20px;
  }

  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .cta-left {
    text-align: center;
  }

  .cta-label {
    margin-bottom: 24px;
  }

  .cta-title {
    font-size: 28px;
    margin-bottom: 16px;
  }

  .cta-desc {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .cta-proof {
    justify-content: center;
    flex-direction: column;
  }

  .cta-right {
    justify-content: center;
  }

  .cta-card {
    padding: 36px 28px;
    max-width: 100%;
  }

  .card-icon {
    width: 56px;
    height: 56px;
  }

  .card-title {
    font-size: 22px;
  }

  .card-desc {
    font-size: 14px;
  }

  .card-btn-primary,
  .card-btn-secondary {
    width: 100%;
  }

  .pricing-section {
    padding: 60px 20px;
  }

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

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

  .pricing-table {
    padding: 28px 24px;
  }

  .footer {
    padding: 60px 20px 30px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding-top: 32px;
  }

  .footer-social {
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .header {
    height: 56px;
  }

  .nav-container {
    padding: 0 16px;
  }

  .logo a {
    font-size: 16px;
  }

  .nav-menu {
    gap: 16px;
  }

  .nav-link {
    font-size: 13px;
  }

  .btn-contact {
    padding: 6px 16px;
    font-size: 12px;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-wrapper {
    padding: 36px 16px;
    gap: 36px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero .subtitle {
    font-size: 14px;
  }

  .hero-buttons {
    gap: 12px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 12px 24px;
    font-size: 14px;
  }

  .section {
    padding: 60px 16px;
  }

  .section-title {
    font-size: 24px;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .feature-icon {
    width: 44px;
    height: 44px;
  }

  .feature-icon svg {
    width: 22px;
    height: 22px;
  }

  .feature-card h3 {
    font-size: 16px;
  }

  .feature-card p {
    font-size: 13px;
  }

  .cta-section {
    padding: 60px 16px;
  }

  .cta-title {
    font-size: 24px;
  }

  .cta-card {
    padding: 28px 20px;
    border-radius: 20px;
  }

  .pricing-section {
    padding: 48px 16px;
  }

  .pricing-table {
    padding: 24px 20px;
  }

  .price-value {
    font-size: 40px;
  }

  .footer {
    padding: 48px 16px 24px;
  }
}

.tutorials-page,
.tutorial-detail-page,
.changelog-detail-page,
.changelogs-page,
.about-page,
.contact-page,
.feedback-page {
  padding-top: 72px;
}

.page-header {
  padding-top: 24px;
  padding-bottom: 8px;
}

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

.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #666;
}

.page-breadcrumb a {
  color: #3877fa;
  text-decoration: none;
}

.page-breadcrumb a:hover {
  text-decoration: underline;
}

.page-breadcrumb .separator {
  color: #ddd;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: #0a0a0a;
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 16px;
  color: #666;
}

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

.content-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 0px 0 48px 0;
}

.changelog-detail-page .content-wrapper {
  grid-template-columns: 1fr;
}

.sidebar {
  position: sticky;
  top: 88px;
  height: fit-content;
}

.sidebar-nav {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
}

.sidebar-nav h3 {
  font-size: 14px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: 8px;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  color: #666;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 14px;
}

.sidebar-nav li a .iconfont {
  margin-right: 8px;
}

.sidebar-nav li a:hover {
  background: rgba(56, 119, 250, 0.08);
  color: #3877fa;
}

.sidebar-nav li.active a {
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
  color: #3877fa;
  font-weight: 600;
}

.sidebar-section {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  margin-top: 16px;
}

.sidebar-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

.related-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-list li {
  margin-bottom: 10px;
}

.related-list li a {
  display: block;
  padding: 8px 10px;
  color: #666;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-size: 13px;
  line-height: 1.4;
}

.related-list li a:hover {
  background: rgba(56, 119, 250, 0.08);
  color: #3877fa;
}

.main-content {
  min-width: 0;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e8e8e8;
  transition: all 0.3s ease;
}

.article-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(56, 119, 250, 0.2);
}

.article-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #3877fa;
  background: rgba(56, 119, 250, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.article-title {
  font-size: 20px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-title a {
  color: inherit;
  text-decoration: none;
}

.article-title a:hover {
  color: #3877fa;
}

.article-excerpt {
  font-size: 15px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #999;
}

.pagination {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.pagination-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #e8e8e8;
  color: #666;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.pagination-link:hover {
  background: rgba(56, 119, 250, 0.08);
  border-color: rgba(56, 119, 250, 0.2);
  color: #3877fa;
}

.pagination-link.active {
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  border-color: transparent;
  color: #fff;
}

.pagination-info {
  text-align: center;
  font-size: 13px;
  color: #999;
}

.article-detail,
.changelog-detail {
  background: #fff;
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0f0f0;
}

.article-detail .article-title {
  font-size: 28px;
  margin-bottom: 16px;
}

.changelog-detail .article-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f5f5f5;
}

.changelog-detail .article-version {
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  box-shadow: 0 4px 12px rgba(56, 119, 250, 0.3);
  width: fit-content;
}

.changelog-detail .article-date {
  font-size: 14px;
  color: #999;
}

.changelog-detail .article-title {
  font-size: 28px;
  margin-bottom: 24px;
}

.changelog-detail .article-content {
  font-size: 16px;
  line-height: 2;
  color: #444;
  padding-top: 16px;
}

/* 视频容器样式 */
.video-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 24px auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  background: #000;
}

.video-container iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: none;
}

@media (max-width: 768px) {
  .video-container iframe {
    height: 280px;
  }
}

.changelog-detail .article-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 32px 0 16px;
}

.changelog-detail .article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 24px 0 12px;
}

.changelog-detail .article-content p {
  margin-bottom: 16px;
}

.changelog-detail .article-content ul,
.changelog-detail .article-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.changelog-detail .article-content li {
  margin-bottom: 8px;
}

.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.article-body h2 {
  font-size: 22px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 32px 0 16px;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: #0a0a0a;
  margin: 24px 0 12px;
}

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

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 16px 0;
}

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

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

.article-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.article-tags {
  font-size: 14px;
  color: #666;
}

.article-tags .tag {
  display: inline-block;
  font-size: 12px;
  color: #666;
  background: #f5f5f5;
  padding: 4px 10px;
  border-radius: 6px;
  margin-left: 8px;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.article-nav .nav-prev,
.article-nav .nav-next {
  flex: 1;
}

.article-nav .nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  background: #fafafa;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #e8e8e8;
}

.article-nav .nav-link:hover {
  background: rgba(56, 119, 250, 0.08);
  border-color: rgba(56, 119, 250, 0.2);
}

.article-nav .nav-link.disabled {
  background: #fafafa;
  border-color: #e8e8e8;
  opacity: 0.5;
  pointer-events: none;
}

.article-nav .nav-label {
  font-size: 12px;
  font-weight: 600;
  color: #3877fa;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-nav .nav-title {
  font-size: 14px;
  color: #0a0a0a;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-nav .nav-link:hover .nav-title {
  color: #3877fa;
}

.article-nav .nav-link.disabled .nav-title {
  color: #999;
}

.changelog-content {
  padding: 48px 0;
}

.changelog-content .changelog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.changelog-item {
  background: #fff;
  border-radius: 16px;
  padding: 0;
  border: 1px solid #e8e8e8;
  transition: all 0.3s ease;
  overflow: hidden;
}

.changelog-item:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(56, 119, 250, 0.2);
}

.changelog-link {
  display: block;
  padding: 28px;
  text-decoration: none;
  color: inherit;
}

.changelog-link:hover {
  color: inherit;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.changelog-version {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.changelog-version .version-label {
  font-size: 14px;
  font-weight: 600;
  color: #3877fa;
}

.changelog-version .version-number {
  font-size: 20px;
  font-weight: 700;
  color: #0a0a0a;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.changelog-date {
  margin-left: auto;
  font-size: 14px;
  color: #999;
}

.changelog-body {
  font-size: 15px;
  line-height: 1.7;
  color: #333;
}

.empty-state {
  text-align: center;
  padding: 60px 0;
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: #ccc;
}

.changelog-panel-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.changelog-panel-link:hover .changelog-panel {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(56, 119, 250, 0.15);
}

.about-content {
  padding: 0 0 48px 0;
}

.about-section {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 24px;
  border: 1px solid #e8e8e8;
}

.about-section h2 {
  font-size: 22px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 16px;
}

.about-section p {
  font-size: 15px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 12px;
}

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

.value-item {
  background: #fafafa;
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3877fa;
}

.value-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
}

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

.team-item {
  text-align: center;
  padding: 24px;
  background: #fafafa;
  border-radius: 12px;
}

.team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.team-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 4px;
}

.team-item p {
  font-size: 13px;
  color: #666;
}

.contact-content {
  padding:0 0 48px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.contact-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  border: 1px solid #e8e8e8;
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: 0 8px 32px rgba(56, 119, 250, 0.1);
  border-color: rgba(56, 119, 250, 0.2);
  transform: translateY(-2px);
}

.contact-icon-wrapper {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.08) 0%, rgba(37, 99, 235, 0.08) 100%);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon {
  font-size: 44px;
  color: #3877fa;
}

.contact-qrcode {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  object-fit: cover;
}

.contact-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 15px;
  color: #555;
  margin-bottom: 16px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #3877fa;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: #2563eb;
}

.contact-cta {
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.contact-cta .cta-content h2 {
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.contact-cta .cta-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-cta .cta-buttons {
  display: flex;
  gap: 12px;
}

.contact-cta .btn-primary {
  background: #fff;
  color: #3877fa;
}

.contact-cta .btn-primary:hover {
  background: #f0f0f0;
}

.contact-cta .btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

.contact-form-wrapper {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #e8e8e8;
}

.contact-form-wrapper h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 24px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form label {
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

.contact-form input,
.contact-form textarea {
  padding: 14px 16px;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #3877fa;
  box-shadow: 0 0 0 3px rgba(56, 119, 250, 0.1);
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.feedback-content {
  padding: 0 0 48px 0;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.feedback-form-wrapper {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #e8e8e8;
}

.form-intro h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 8px;
}

.form-intro p {
  font-size: 14px;
  color: #666;
  margin-bottom: 24px;
}

.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feedback-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feedback-form label {
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

.feedback-form input,
.feedback-form select,
.feedback-form textarea {
  padding: 14px 16px;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.feedback-form input:focus,
.feedback-form select:focus,
.feedback-form textarea:focus {
  outline: none;
  border-color: #3877fa;
  box-shadow: 0 0 0 3px rgba(56, 119, 250, 0.1);
}

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

.feedback-tips {
  background: linear-gradient(135deg, rgba(56, 119, 250, 0.05) 0%, rgba(37, 99, 235, 0.05) 100%);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(56, 119, 250, 0.1);
}

.feedback-tips h3 {
  font-size: 16px;
  font-weight: 600;
  color: #0a0a0a;
  margin-bottom: 16px;
}

.feedback-tips ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feedback-tips li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(56, 119, 250, 0.1);
}

.feedback-tips li:last-child {
  border-bottom: none;
}

.tip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #3877fa 0%, #2563eb 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .changelog-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-cta {
    flex-direction: column;
    text-align: center;
  }

  .content-wrapper {
    grid-template-columns: 240px 1fr;
    gap: 32px;
  }

  .page-header .container,
  .container {
    padding: 0 32px;
  }
}

@media (max-width: 768px) {
  .changelog-cards {
    grid-template-columns: 1fr;
  }

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

  .contact-cta {
    padding: 28px 20px;
  }

  .content-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .page-header .container,
  .container {
    padding: 0 20px;
  }

  .sidebar {
    position: static;
  }

  .page-title {
    font-size: 26px;
  }

  .article-detail,
  .changelog-detail {
    padding: 28px 20px;
  }

  .article-detail .article-title {
    font-size: 22px;
  }

  .pagination-list {
    flex-wrap: wrap;
  }
}

.qrcode-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.qrcode-modal .modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.qrcode-modal .modal-content {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 320px;
  width: 90%;
  text-align: center;
  animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.qrcode-modal .modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f5f5f5;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  transition: all 0.2s ease;
}

.qrcode-modal .modal-close:hover {
  background: #e5e5e5;
  color: #333;
}

.qrcode-modal .qrcode-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qrcode-modal .qrcode-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 12px;
  margin-bottom: 16px;
}

.qrcode-modal .qrcode-text {
  font-size: 16px;
  color: #333;
  font-weight: 500;
  margin: 0;
}