.nav{position:sticky;top:0;z-index:100;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:rgba(13,13,17,.85);border-bottom:1px solid rgba(255,255,255,.06)}

.site-bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 30% 10%, rgba(16, 185, 129, 0.04) 0%, rgba(13, 13, 17, 0) 50%);
  z-index: -2;
}

.site-bg-mask {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 13, 17, 0.8) 0%, rgba(13, 13, 17, 0.6) 50%, rgba(13, 13, 17, 0.9) 100%);
  z-index: -1;
}

.static-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.hero {
  text-align: center;
  padding: 36px 0 24px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #10B981, #06B6D4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .sub {
  font-size: 15px;
  color: rgba(243, 244, 246, 0.6);
}

.content-section {
  background: rgba(21, 21, 26, 0.9);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.content-section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #F3F4F6;
}

.content-section p {
  font-size: 14px;
  color: rgba(243, 244, 246, 0.8);
  line-height: 1.8;
  margin-bottom: 12px;
}

.content-section ul {
  padding-left: 24px;
  margin-bottom: 12px;
}

.content-section li {
  font-size: 14px;
  color: rgba(243, 244, 246, 0.8);
  line-height: 1.8;
  margin-bottom: 8px;
}

.btn-primary {
  display: inline-block;
  padding: 12px 32px;
  background: linear-gradient(135deg, #10B981, #059669);
  color: #0D0D11;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: opacity .3s;
}

.btn-primary:hover {
  opacity: .9;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(13, 13, 17, 0.8);
  border-radius: 12px;
}

.contact-icon {
  font-size: 28px;
}

.contact-label {
  font-size: 12px;
  color: rgba(243, 244, 246, 0.5);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 14px;
  font-weight: 500;
}

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

.faq-item {
  padding: 16px;
  background: rgba(13, 13, 17, 0.8);
  border-radius: 12px;
}

.faq-question {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-answer {
  font-size: 13px;
  color: rgba(243, 244, 246, 0.7);
  line-height: 1.6;
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.tutorial-card {
  background: rgba(21, 21, 26, 0.9);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: .2s;
}

.tutorial-card:hover {
  border-color: rgba(16, 185, 129, 0.2);
  transform: translateY(-2px);
}

.tutorial-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.tutorial-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tutorial-desc {
  font-size: 13px;
  color: rgba(243, 244, 246, 0.6);
  line-height: 1.5;
}

@media (max-width: 680px) {
  .hero h1 {
    font-size: 28px;
  }
}

.site-footer {
  background:#08080A;
  border-top:1px solid rgba(255,255,255,0.08);
  padding:46px 24px 36px;
  text-align: center;
  margin-top: 56px;
}

.footer-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 13px;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: .5px;
  transition: color .2s;
}

.footer-links a:hover {
  color: #10B981;
}

.footer-promise {
  font-size: 12px;
  color: #10B981;
  margin-bottom: 12px;
  letter-spacing: .3px;
}

.footer-text {
  font-size: 12px;
  color: #999999;
  margin-bottom: 6px;
  line-height: 1.6;
}

.footer-icp {
  font-size: 11.5px;
  color: #999999;
  text-decoration: none;
  letter-spacing: .3px;
  transition: color .2s;
  display: inline-block;
  margin-bottom: 4px;
}

.footer-icp:hover {
  color: #666666;
}

.footer-ga {
  font-size: 12px;
  color: #666666;
  text-decoration: none;
  letter-spacing: .5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.footer-ga:hover {
  color: #333333;
}

.footer-ga img {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
}

@media(max-width:600px) {
  .footer-links {
    gap: 12px;
  }
  .footer-ga {
    font-size: 11px;
  }
  .footer-ga img {
    width: 16px;
    height: 16px;
  }
}
/* ===== Footer ===== */