body {
  background-color: #0f1116;
  color: #ddd;
  font-family: 'Noto Sans KR', sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 1100px;
  margin: 80px auto;
  padding: 40px;
  background-color: #1a1d23;
  border-radius: 8px;
}
h1 {
  font-size: 28px;
  color: #7cd4ff;
  margin-bottom: 24px;
}
h2 {
  font-size: 20px;
  margin-top: 32px;
  color: #a0dfff;
}
h3 {
  font-size: 17px;
  margin-top: 24px;
  color: #cdefff;
}
p, li {
  line-height: 1.8;
  font-size: 15px;
  color: #ccc;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  color: #ccc;
}
th, td {
  border: 1px solid #333;
  padding: 10px;
  text-align: center;
}
th {
  background-color: #222;
  color: #7cd4ff;
}
code {
  display: block;
  background-color: #111318;
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
  font-family: 'Source Code Pro', monospace;
  margin: 16px 0;
}
.detect-guides {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.detect-item {
  display: flex;
  align-items: flex-start;
  background-color: #21252b;
  border-left: 4px solid #7cd4ff;
  padding: 12px 16px;
  border-radius: 6px;
}

.detect-item .emoji {
  font-size: 20px;
  margin-right: 12px;
  line-height: 1.5;
}

.detect-item .text {
  font-size: 15px;
  color: #ccc;
}

.detect-note {
  font-size: 14.5px;
  margin-top: 16px;
  background-color: #181b21;
  padding: 12px 16px;
  border-radius: 6px;
  border-left: 4px solid #4caf50;
  color: #a0ffa0;
}

.recommend-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 24px 0;
}

@media (min-width: 768px) {
  .recommend-wrap {
    grid-template-columns: repeat(3, 1fr);
  }
}

.recommend-card {
  background-color: #21252b;
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid #7cd4ff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.recommend-card:hover {
  background-color: #272b32;
  transform: translateY(-5px);
  transition: all 0.5s ease;
}

.recommend-card h3 {
  color: #7cd4ff;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.set-highlight {
  color: #a3e4ff;
  font-weight: 600;
}

.recommend-card ul {
  padding-left: 18px;
  list-style: disc;
  color: #ccc;
}

.recommend-card li {
  margin-bottom: 8px;
  font-size: 14.5px;
}
.feature-card-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0 40px;
}

@media (min-width: 768px) {
  .feature-card-wrap {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  display: flex;
  align-items: flex-start;
  background-color: #1f232a;
  border-left: 4px solid #7cd4ff;
  border-radius: 8px;
  padding: 16px;
  color: #ddd;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}

.feature-icon {
  font-size: 24px;
  margin-right: 12px;
}

.feature-text {
  font-size: 14.5px;
  line-height: 1.5;
}

.tip-list {
  margin-top: 16px;
}

.tip-item {
  background-color: #2a2e35;
  color: #ccc;
  font-size: 14.5px;
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 10px;
  border-left: 4px solid #7cd4ff;
}

/* 기존 스타일과 잘 어울리는 테이블 전용 스타일 */
.signal-strategy-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 15px;
  background-color: #1a1d23;
  color: #ccc;
  border: 1px solid #2d2d2d;
  border-radius: 6px;
  overflow: hidden;
}

.signal-strategy-table thead {
  background-color: #222831;
  color: #7cd4ff;
}

.signal-strategy-table th,
.signal-strategy-table td {
  padding: 14px 12px;
  border-bottom: 1px solid #2c2c2c;
  text-align: left;
}

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

@media (max-width: 768px) {
  .signal-strategy-table th,
  .signal-strategy-table td {
    font-size: 14px;
    padding: 10px 8px;
  }
}


/* 공통 fade-in 애니메이션 */
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeUp 0.6s ease-out both;
}

/* 애니메이션 적용 대상 요소 초기값 */
.container,
.detect-item,
.recommend-card,
.feature-card,
.tip-item,
.signal-strategy-table {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.6s ease-out both;
}

.container { animation-delay: 0.1s; }
.detect-item:nth-child(1) { animation-delay: 0.2s; }
.detect-item:nth-child(2) { animation-delay: 0.3s; }
.detect-item:nth-child(3) { animation-delay: 0.4s; }

.recommend-card:nth-child(1) { animation-delay: 0.2s; }
.recommend-card:nth-child(2) { animation-delay: 0.3s; }
.recommend-card:nth-child(3) { animation-delay: 0.4s; }

.feature-card:nth-child(1) { animation-delay: 0.2s; }
.feature-card:nth-child(2) { animation-delay: 0.3s; }
.feature-card:nth-child(3) { animation-delay: 0.4s; }

.tip-item:nth-child(1) { animation-delay: 0.2s; }
.tip-item:nth-child(2) { animation-delay: 0.3s; }
.tip-item:nth-child(3) { animation-delay: 0.4s; }

/* 카드 hover 시 강조 */
.recommend-card:hover,
.feature-card:hover {
  background-color: #2a2e35;
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(124, 212, 255, 0.2);
  transition: all 0.2s ease;
}