/* ---------- 顶部蓝色 Banner ---------- */
.solution-hero {
  position: relative;
  overflow: hidden;
  height: 389px;
  background: linear-gradient(90deg, #0d5bff 0%, #4aa6ff 100%);
  color: #fff;
}
.solution-hero__bg img {
  width: 100%;
  height: 389px;
  object-fit: cover;
  /* mix-blend-mode: screen; 有图时淡化到渐变里 */
  /* opacity: 0.25; */
  display: block;
}
.solution-hero__content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.hero-title {
  font-weight: 800;
  font-size: 48px;
  color: #ffffff;
  margin-bottom: 12px;
}
.hero-sub {
  font-weight: 400;
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 58px;
}
.hero-cta {
  width: 210px;
  height: 58px;
  background: #ffffff;
  border-radius: 8px;
  font-weight: 800;
  font-size: 20px;
  color: #0866ff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.hero-cta img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* ---------- 运营需求与挑战 ---------- */
.needs {
  margin-top: 90px;
  padding-bottom: 12px;
}
.sec-title {
  text-align: center;
  font-weight: bold;
  font-size: 40px;
  color: #1e304a;
  margin-bottom: 62px;
}
.need-cards {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  justify-content: space-between;
  gap: 12px;
}
.need-card {
  background-color: #fff;
  position: relative;
  border: 1px solid #e7ecf5;
  border-radius: 14px;
  width: 216px;
  height: 174px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  box-shadow: 0 6px 20px rgba(13, 91, 255, 0.06);
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}
.need-card::before {
  content: "";
  position: absolute;
  top: 15px;
  width: calc(100% - 30px);
  height: calc(100% - 30px);
  background: #f7fbfe;
  border-radius: 14px;
  z-index: 0;
}
.need-card img,
.need-card .title {
  position: relative;
  z-index: 1;
}
.need-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(13, 91, 255, 0.12);
}
.need-card img {
  width: 62px;
  height: 62px;
  object-fit: contain;
}
.need-card .title {
  font-size: 14px;
  color: #1e304a;
  font-weight: 600;
}

/* ---------- 方案明细块 ---------- */

.sol-block {
  margin-top: 90px;
  padding: 18px 0 10px;
}
.sol-block.sol-alt {
  background: #f5fafe;
  padding: 26px 0;
}

.sol-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.sol-grid--reverse {
  grid-template-columns: 1fr 1.1fr;
}

.sol-visual {
  width: 680px;
  height: 532px;
  background: linear-gradient(-45deg, #f6f8fa, #eef0f9);
  border-radius: 20px;
  border: 1px solid #f1f3f6;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sol-visual-simplified {
  width: 472px;
  height: 532px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: none;
}
.sol-visual img {
  width: 570px;
  height: 390px;
  display: block;
}
.sol-text {
  width: 425px;
  display: flex;
  flex-direction: column;
  margin-top: 42px;
  gap: 8px;
}

.sol-text .sol-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 24px;
  color: #1e304a;
  margin-bottom: 42px;
}
.sol-text .dot {
  width: 24px;
  height: 24px;
}

.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 24px;
}
.bullets li{
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bullets li p {
  font-weight: bold;
  font-size: 18px;
  color: #1e304a;
}
.bullets li span {
  font-family: PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #1e304a;
}
/* 蓝色 CTA 横条 */
.cta-strip {
  height: 147px;
  margin-top: 120px;
  background: linear-gradient(90deg, #0d5bff 0%, #4aa6ff 100%);
  display: flex;
  justify-content: center;
  align-items: center;
}
.cta-strip .container {
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 24px;
  color: #fefefe;
  gap: 32px;
}

.cta-strip .btn {
  width: 215px;
  height: 62px;
  background: #f5fafe;
  border-radius: 8px;
  font-weight: 400;
  font-size: 24px;
  color: #0866ff;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .need-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
@media (max-width: 992px) {
  .solution-hero__bg img {
    height: 220px;
  }
  .sol-grid,
  .sol-grid--reverse {
    grid-template-columns: 1fr;
  }
  .need-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .solution-hero__bg img {
    height: 200px;
  }
  .hero-title {
    font-size: 22px;
  }
  .need-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .cta-strip {
    border-radius: 12px;
  }
}