/* 科研页 — 亮点 pills + 指标 */
.research-hero-block {
  --red: #e60012;
  --gray-50: #f7f7f8;
  --gray-200: #e8e8e8;
  --gray-500: #888888;
  --radius: 12px;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 10px 40px;
  box-sizing: border-box;
  text-align: center;
}

.research-hero-block .hero-pills {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.research-hero-block .hero-pill {
  padding: 12px 22px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  color: #666;
  letter-spacing: 1px;
}

.research-hero-block .hero-pill b {
  color: var(--red);
  font-weight: 700;
}

.research-hero-block .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.research-hero-block .hero-stat {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  box-sizing: border-box;
}

.research-hero-block .hero-stat .num {
  font-size: 34px;
  font-weight: 900;
  color: var(--red);
  letter-spacing: 1px;
  line-height: 1.2;
}

.research-hero-block .hero-stat .label {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 6px;
  letter-spacing: 1px;
  line-height: 1.5;
}

@media (max-width: 850px) {
  .research-hero-block .hero-stats {
    grid-template-columns: 1fr;
  }

  .research-hero-block .hero-stat .num {
    font-size: 28px;
  }
}

/* 趋势洞察 — 文案 + 图 */
.research-insight-block {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 10px 24px;
  box-sizing: border-box;
}

.research-insight-text {
  max-width: 900px;
  margin: 0 auto 36px;
}

.research-insight-text p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 2.2;
  letter-spacing: 0.04em;
  color: #666;
  text-align: justify;
}

.research-insight-text p:last-child {
  margin-bottom: 0;
}

.research-insight-block .img {
  width: 100%;
}

.research-insight-block .img img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* 四大重点方向 */
.dp-wrap {
  --red: #e60012;
  --white: #ffffff;
  --shadow: 0 10px 28px rgba(230, 0, 18, 0.08);
  background: var(--white);
  padding: 8px 0 6px;
}

.dp-head {
  text-align: center;
  margin-bottom: 46px;
}

.dp-title {
  font-size: 32px;
  font-weight: 900;
  color: var(--red);
  letter-spacing: 3px;
  line-height: 1.3;
}

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

.dp-card {
  background: var(--white);
  border: 1px solid #ececec;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
}

.dp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.dp-card-head {
  background: #e9e9e6;
  color: var(--red);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 16px 10px;
  line-height: 1.35;
}

.dp-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px 16px 20px;
  flex: 1;
  color: var(--red, #e60012);
}

.dp-icon img,
.dp-icon svg {
  width: 88px;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.dp-divider {
  width: 64px;
  height: 1px;
  background: #d4d2d1;
  margin: 0 auto 16px;
}

.dp-text {
  color: var(--red);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 1px;
  padding: 0 14px 26px;
}

@media (max-width: 960px) {
  .dp-grid {
    grid-template-columns: 1fr 1fr;
  }

  .dp-title {
    font-size: 26px;
    letter-spacing: 1px;
  }
}

@media (max-width: 600px) {
  .dp-grid {
    grid-template-columns: 1fr;
  }
}

/* 四大主攻产业方向 */
.ind-grid {
  --red: #e60012;
  --red-soft: #fbecee;
  --white: #ffffff;
  --gray-200: #e8e8e8;
  --gray-600: #888888;
  --radius: 12px;
  --shadow: 0 10px 28px rgba(230, 0, 18, 0.08);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.ind-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  box-sizing: border-box;
}

.ind-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--red);
}

.ind-ic {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: var(--red-soft);
  color: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ind-ic svg {
  width: 24px;
  height: 24px;
}

.ind-card h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: #3d3d3d;
  line-height: 1.35;
}

.ind-card p {
  margin: 0;
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .ind-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .ind-grid {
    grid-template-columns: 1fr;
  }
}

/* 方案优势 — 2×2 + 客户条（覆盖 education.css 的 adv-flow 卡片样式） */
.adv-grid {
  --red: #e60012;
  --white: #ffffff;
  --gray-200: #e8e8e8;
  --gray-700: #666666;
  --gray-900: #3d3d3d;
  --shadow: 0 10px 28px rgba(230, 0, 18, 0.08);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
  width: 100%;
  box-sizing: border-box;
}

.adv-grid .adv-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 38px 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  display: block;
}

.adv-grid .adv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gray-200);
}

.adv-grid .adv-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  height: auto;
  background: var(--red);
  transform: none;
}

.adv-grid .adv-card:last-child,
.adv-grid .adv-card:last-of-type {
  border-color: var(--gray-200);
  background: var(--white);
}

.adv-grid .adv-num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 3px;
  margin-bottom: 0;
  line-height: 1.4;
}

.adv-grid .adv-num::after {
  display: none;
}

.adv-grid .adv-card h3 {
  font-size: 24px;
  font-weight: 900;
  margin: 10px 0 16px;
  letter-spacing: 2px;
  color: #111;
  line-height: 1.35;
  min-height: 0;
}

.adv-grid .adv-slogan {
  font-size: 16px;
  color: var(--gray-900);
  font-weight: 500;
  margin: 0 0 14px;
  line-height: 1.6;
}

.adv-grid .adv-card > p:not(.adv-slogan) {
  margin: 0;
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.75;
}

.adv-grid .adv-clients {
  grid-column: 1 / -1;
  background: var(--red);
  color: #fff;
  border-radius: 16px;
  padding: 40px 44px;
  display: flex;
  gap: 34px;
  align-items: center;
  box-sizing: border-box;
}

.adv-grid .adv-clients .ac-title {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.6;
}

.adv-grid .adv-clients .ac-list {
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.5px;
  color: #ffe9eb;
}

@media (max-width: 720px) {
  .adv-grid {
    grid-template-columns: 1fr;
  }

  .adv-grid .adv-clients {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 28px 24px;
  }

  .adv-grid .adv-card {
    padding: 28px 22px;
  }

  .adv-grid .adv-card h3 {
    font-size: 20px;
  }
}

/* 标杆案例上方客户图 */
.research-clients-banner {
  width: 1140px;
  max-width: calc(100% - 40px);
  margin: 0 auto 36px;
  box-sizing: border-box;
}

.research-clients-banner .img {
  width: 100%;
}

.research-clients-banner .img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}