/* ==================== 通用 Section ==================== */
.section {
  padding: var(--sp-80) var(--sp-16);
  background: var(--bg-primary);
  color: #000000;
}
@media (max-width: 991px) {
  .section { padding: var(--sp-48) var(--sp-16); }
}
@media (max-width: 767px) {
  .section { padding: var(--sp-32) var(--sp-16); }
}
.section-alt {
  background: var(--bg-section-alt);
}
.section-gradient {
  background: linear-gradient(135deg, var(--bg-section-alt) 0%, var(--bg-primary) 50%, var(--bg-primary) 100%);
}

/* ==================== Section 标题 ==================== */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-32);
}
.section-header h2 {
  font-size: 32px;
  color: #000000 !important;
  font-weight: 700;
}
.section-header p {
  color: var(--text-secondary) !important;
  font-size: 14px;
  margin-top: var(--sp-8);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 768px) {
  .section-header h2 { font-size: 36px; }
}
@media (max-width: 767px) {
  .section-header h2 { font-size: 24px; }
  .section-header p { font-size: 13px; }
}

.bb-11 {
  background: var(--bg-section-alt);
}

/* ==================== Banner ==================== */
.page-banner {
  min-height: 400px;
  height: 55vh;
  max-height: 520px;
  padding: 190px 20px 100px;
  background: #000000;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 120%;
  height: 200%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.banner-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-16);
  line-height: 1.3;
}

.banner-desc {
  font-size: 20px;
  font-weight: 400;
  color: var(--text-white-2);
  margin-bottom: var(--sp-8);
  line-height: 1.5;
}

.banner-sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-white-3);
  margin-bottom: var(--sp-24);
  line-height: 1.6;
}

.banner-btn {
  display: inline-block;
  padding: 12px 32px;
  background: #fff;
  color: #000000 !important;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s;
}

.banner-btn:hover {
  background: #F0F0F0;
  color: #000000 !important;
  text-decoration: none;
}

/* ==================== 通用按钮（黑色背景） ==================== */
.button,
.button:link,
.button:visited,
.button:hover,
.button:focus,
.button:active {
  display: inline-block;
  padding: 10px 24px;
  min-width: 120px;
  border-radius: var(--radius-sm);
  border: none;
  background: #000000;
  color: #fff !important;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none !important;
  transition: background 0.15s ease;
}
.button:hover {
  background: #333333;
  color: #fff !important;
  transform: none;
}

/* ==================== 核心能力卡片 ==================== */
.core .row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-16);
}

.core .item {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  margin: 0;
  padding: var(--sp-24) var(--sp-16);
  background-color: var(--bg-card);
  box-shadow: none;
  box-sizing: border-box;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: border-color 0.15s ease;
}
.core .item:hover {
  border-color: #000000;
  box-shadow: none;
  transform: none;
}

.core .title {
  margin: var(--sp-8) 0;
  font-weight: 500;
  color: #000000;
}

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

/* ==================== 场景 ==================== */
.scene {
  background: var(--bg-section-alt) url("/skin/lingmao2025/img/product/banner2-bg.png");
  text-align: center;
  color: var(--text-secondary);
}

.c-blue {
  color: #000000;
}

/* ==================== 价值卡片 ==================== */
.values {
  display: flex;
  align-items: center;
  position: relative;
  gap: var(--sp-32);
}

.values .values-left {
  flex: 1;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
  justify-content: center;
}
.values .values-left > div {
  display: flex;
  gap: var(--sp-16);
  justify-content: center;
}

.values .values-left .justify-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.values .item {
  flex: 1;
  max-width: 280px;
  padding: var(--sp-16);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  box-shadow: none;
  box-sizing: border-box;
  border: 1px solid var(--border-color);
}
.values .item img {
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-8);
}
.values .item .title {
  font-size: 16px;
  font-weight: 700;
  color: #000000;
  margin-bottom: var(--sp-8);
}
.values .item p {
  line-height: 1.6;
  color: var(--text-secondary);
  font-size: 13px;
}
.values-right {
  flex: 1;
  text-align: center;
  padding: var(--sp-16);
}
.values-right::after {
  display: none;
}

/* ==================== 子系统网格 ==================== */
.sub-system {
  background-color: var(--bg-section-alt);
  padding: var(--sp-64) 0;
}

.system-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-16);
}

.system-container .item {
  display: block;
  padding: var(--sp-24);
  background-color: var(--bg-card);
  border-radius: var(--radius-sm);
  box-shadow: none;
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: border-color 0.15s ease;
}

.system-container .item:hover {
  border-color: #000000;
  box-shadow: none;
  transform: none;
}

.system-container .item a {
  color: #000000;
  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 ==================== */
.cta-section,
.page-cta {
  background: #000000;
  padding: var(--sp-64) var(--sp-16);
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--sp-8);
}

.cta-section p {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: var(--sp-16);
  color: var(--text-white-2);
}

.cta-section .button {
  display: inline-block;
  background: #fff;
  color: #000000 !important;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s;
}

.cta-section .button:hover {
  background: #F0F0F0;
  color: #000000 !important;
  transform: none;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .core .row {
    gap: var(--sp-8);
  }
  .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;
  }
  .banner-title {
    font-size: 28px;
  }
  .banner-desc {
    font-size: 16px;
  }
  .banner-sub {
    font-size: 13px;
  }
  .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: var(--sp-32) var(--sp-16);
  }
}