/* ================= CORE LAYOUT ================= */
.od-wrap{
  max-width:1200px;
  margin:0 auto;
  font-family:Arial, sans-serif;
  color:#222;
  line-height:1.6;
}

/* ================= HERO ================= */
.od-hero{
  display:flex;
  gap:40px;
  align-items:center;
  padding:70px 0;
  flex-direction:column; /* ✅ FIX：避免左右结构 */
  align-items:flex-start;
}

.od-hero h1{
  font-size:38px;
  margin:0;
}

.od-hero h2{
  font-size:18px;
  font-weight:400;
  color:#555;
}

.od-tags span{
  display:inline-block;
  background:#f2f2f2;
  padding:6px 10px;
  margin:5px 5px 0 0;
  font-size:13px;
  border-radius:4px;
}

/* ================= SECTION ================= */
.od-section{
  padding:65px 0;
}

.od-section h2{
  font-size:26px;
  margin-bottom:20px;
}

/* ================= FLEX ================= */
.od-flex{
  display:flex;
  gap:30px;
  align-items:center;
}

.od-flex img{
  width:100%;
  border-radius:8px;
}

/* ================= GRID FEATURES ================= */
.od-grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.od-card{
  border:1px solid #eee;
  padding:15px;
  border-radius:8px;
  text-align:center;
}

.od-card img{
  width:100%;
  border-radius:6px;
  margin-bottom:10px;
}

/* ================= APPLICATIONS ================= */
.od-grid-app{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:15px;
}

.od-app img{
  width:100%;
  border-radius:8px;
}

.od-app p{
  text-align:center;
  margin-top:8px;
}

/* ================= TABLE ================= */
.od-table{
  width:100%;
  border-collapse:collapse;
}

.od-table td{
  border:1px solid #eee;
  padding:10px;
}

/* ================= AI SUMMARY BOX ================= */
.od-summary{
  background:#f7f9fc;
  border-left:4px solid #2d6cdf;
  padding:20px;
  margin:20px 0;
  font-size:14px;
}

/* ================= TRUST ================= */
.od-trust{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  text-align:center;
}

.od-trust div{
  border:1px solid #eee;
  padding:20px;
  border-radius:8px;
}

/* ================= IMAGE (ANTI-DISTORTION FIX) ================= */
img{
  max-width:100%;
  height:auto;
  object-fit:cover;
}

/* ================= MOBILE ================= */
@media(max-width:768px){

  .od-hero,
  .od-flex{
    flex-direction:column;
  }

  .od-grid-4,
  .od-grid-app{
    grid-template-columns:repeat(2,1fr);
  }

  .od-trust{
    grid-template-columns:1fr;
  }

  .od-hero h1{
    font-size:26px;
  }
}