/* ==================== 通用基础样式（变量统一在 tencent-theme.css） ==================== */
.section {
  padding: 60px 20px;
  background: var(--bg-section, #FFFFFF);
  color: var(--text-primary, #1D2129);
}
.section-alt {
  background: var(--bg-section-alt, #F5F7FA);
}
.section-gradient {
  background: linear-gradient(135deg, var(--bg-section-alt, #F5F7FA) 0%, var(--bg-primary, #FFFFFF) 50%, var(--bg-section, #FFFFFF) 100%);
}
.section-header {
  text-align: center;
  margin-bottom: 40px;
}
.section-header h2 {
  font-size: 28px;
  color: var(--text-primary, #1D2129) !important;
  font-weight: 500;
}
.section-header p {
  color: var(--text-secondary, #4E5969) !important;
  font-size: 16px;
  margin-top: 10px;
}
/* .section 子元素颜色由继承决定 */
.bb-11 {
  background: var(--bg-section, #FFFFFF);
}

/* ==================== Banner ==================== */
.page-banner {
  min-height: 400px;
  height: 55vh;
  max-height: 520px;
  padding: 190px 20px 100px; /* top 含 90px header 偏移 */
  background: linear-gradient(135deg, #0040B0 0%, #0052D9 40%, #3D7BFF 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
}

.banner-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.3;
}

.banner-desc {
  font-size: 22px;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  margin-bottom: 15px;
  opacity: 0.95;
  line-height: 1.5;
}

.banner-sub {
  font-size: 16px;
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  margin-bottom: 30px;
  opacity: 0.85;
  line-height: 1.6;
}

.banner-btn {
  display: inline-block;
  padding: 14px 40px;
  background: #fff;
  color: #0052D9;
  font-size: 16px;
  font-weight: 600;
  border-radius: 30px;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.banner-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 82, 217, 0.3);
  color: #0052D9;
}
.button {
  border: 1px solid var(--blue, #0052D9);
  padding: 10px 20px;
  min-width: 120px;
  border-radius: 5px;
  background-color: rgba(0,82,217,0.1);
  color: var(--blue, #0052D9);
}
.button:hover {
  background-color: rgba(0,82,217,0.2);
  cursor: pointer;
}
.core .row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.core .item {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  margin: 0;
  padding: 25px 15px;
  background-color: var(--bg-card, #FFFFFF);
  box-shadow: var(--shadow-blue, 0 2px 12px rgba(0,82,217,0.08));
  box-sizing: border-box;
  text-align: center;
  border-radius: 8px;
  border: 1px solid var(--border-color, #E5E6EB);
  transition: all 0.3s ease;
}
.core .item:hover {
  border-color: var(--blue, #0052D9);
  box-shadow: 0 8px 30px rgba(0,82,217,0.15);
  transform: translateY(-4px);
}

.core .title {
  margin: 12px 0;
  font-weight: 500;
  color: var(--text-primary, #1D2129);
}

.core img {
  width: 60px;
  height: 60px;
}

.scene {
  background: var(--bg-section-alt, #F5F7FA) url("https://oss-files.lingmaosoft.cn/lingmao-website-2025-4/skin/lingmao2025/img/product/banner2-bg.png");
  text-align: center;
  color: var(--text-secondary, #4E5969);
}

.c-blue {
  color: var(--blue, #0052D9);
}
.values {
  display: flex;
  align-items: center;
  position: relative;
  gap: 40px;
}

.values .values-left {
  flex: 1;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
}
.values .values-left > div {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.values .values-left .justify-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.values .item {
  flex: 1;
  max-width: 280px;
  padding: 20px;
  background: var(--bg-card, #FFFFFF);
  border-radius: 8px;
  box-shadow: var(--shadow-sm, 0 1px 4px rgba(0,0,0,0.04));
  box-sizing: border-box;
}
.values .item img {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
}
.values .item .title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1D2129);
  margin-bottom: 8px;
}
.values .item p {
  line-height: 20px;
  color: var(--text-secondary, #4E5969);
  font-size: 13px;
}
.values-right {
  flex: 1;
  text-align: center;
  padding: 20px;
}
.values-right::after {
  display: none;
}

.sub-system {
  background-color: var(--bg-section-alt, #F5F7FA);
  padding: 70px 0;
}

.system-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.system-container .item {
  display: block;
  padding: 25px;
  background-color: var(--bg-card, #FFFFFF);
  border-radius: 8px;
  box-shadow: var(--shadow-blue, 0 2px 12px rgba(0,82,217,0.08));
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.system-container .item:hover {
  border-color: var(--blue, #0052D9);
  box-shadow: 0 8px 30px rgba(0,82,217,0.15);
  transform: translateY(-5px);
}

.system-container .item a {
  color: var(--blue, #0052D9);
  text-decoration: none;
  font-size: 14px;
}
.system-container .item a:hover {
  text-decoration: underline;
}

.w-30-percent {
  justify-content: center;
}

.w-30-percent .item {
  width: 33%;
  max-width: 270px;
}

/* ==================== CTA（统一入口，含 .page-cta 别名） ==================== */
.cta-section,
.page-cta {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(61,123,255,0.35) 0%, transparent 70%),
    linear-gradient(135deg, #002C7A 0%, #0040B0 40%, #3D7BFF 100%);
  padding: 50px 20px;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 15px;
  opacity: 0.9;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
}

.cta-section .button {
  display: inline-block;
  background: #fff;
  color: #0052D9;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-section .button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 82, 217, 0.3);
}

@media (max-width: 1024px) {
  .core .row {
    gap: 15px;
  }
  .core .item {
    min-width: 180px;
  }
  .system-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-banner {
    min-height: 350px;
    padding: 160px 20px 70px; /* top 含 90px header 偏移 */
  }
  .section {
    padding: 40px 15px;
  }
  .banner-title {
    font-size: 28px;
  }
  .banner-desc {
    font-size: 18px;
  }
  .banner-sub {
    font-size: 14px;
  }
  .core .row {
    flex-direction: column;
    align-items: center;
  }
  .core .item {
    width: 100%;
    max-width: 320px;
  }
  .values {
    flex-direction: column;
  }

  .values .values-left {
    order: 2;
    padding: 0;
  }
  .values .values-left > div {
    flex-direction: column;
    align-items: center;
  }
  .values .item {
    width: 100%;
    max-width: 320px;
  }
  .values-right {
    width: 100%;
    order: 1;
    text-align: center;
  }
  .values-right::after {
    display: none;
  }
  .system-container {
    grid-template-columns: 1fr;
  }
  .system-container .item {
    margin: 0;
  }
  .sub-system {
    padding: 40px 15px;
  }
}