/* ==================== 首页科技实力区 ==================== */
.section-dark-hero {
  position: relative;
  padding: 110px 0 90px;
  background:
    radial-gradient(
      circle at 16% 18%,
      rgba(50, 202, 184, 0.18),
      transparent 28%
    ),
    radial-gradient(
      circle at 84% 16%,
      rgba(56, 153, 255, 0.18),
      transparent 30%
    ),
    linear-gradient(135deg, #eef7ff 0%, #dff1ff 42%, #ebf8f6 100%);
  overflow: hidden;
}

.section-dark-hero::before,
.section-dark-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(12px);
}

.section-dark-hero::before {
  width: 360px;
  height: 360px;
  top: -120px;
  left: -80px;
  background: rgba(0, 184, 148, 0.09);
}

.section-dark-hero::after {
  width: 420px;
  height: 420px;
  right: -120px;
  bottom: -120px;
  background: rgba(0, 102, 204, 0.1);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(88, 131, 188, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 131, 188, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 42%, transparent 100%);
  opacity: 0.65;
  animation: heroGridFloat 16s linear infinite;
}

@keyframes heroGridFloat {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(8px, -10px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.container-dark {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 28px;
}

.hero-header {
  margin-bottom: 44px;
}

.hero-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.hero-eyebrow,
.panel-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 2px;
  color: #2b7ec6;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-eyebrow::before,
.panel-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(43, 126, 198, 0),
    rgba(43, 126, 198, 0.9)
  );
}

.hero-badge-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.hero-badge-strip span {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(70, 145, 219, 0.22);
  background: rgba(255, 255, 255, 0.74);
  color: #215d96;
  font-size: 13px;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 28px rgba(66, 129, 184, 0.12);
}

.hero-intro-panel {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 30px 34px;
  border-radius: 28px;
  border: 1px solid rgba(100, 166, 226, 0.2);
  background:
    linear-gradient(
      160deg,
      rgba(255, 255, 255, 0.92),
      rgba(240, 248, 255, 0.88)
    ),
    linear-gradient(120deg, rgba(0, 184, 148, 0.06), rgba(0, 102, 204, 0.06));
  box-shadow: 0 22px 54px rgba(74, 134, 183, 0.14);
}

.hero-intro-copy {
  width: 100%;
}

.hero-title {
  margin: 0 0 14px;
  color: #133a62;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.16;
  letter-spacing: 1px;
}

.brand-intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(37, 74, 111, 0.84);
}

.hero-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, #00b894, #0d7eff);
  box-shadow: 0 18px 36px rgba(0, 118, 211, 0.34);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.hero-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 44px rgba(0, 118, 211, 0.4);
}

.hero-btn svg {
  width: 18px;
  height: 18px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.05fr 1.2fr 1.05fr;
  gap: 24px;
  align-items: stretch;
}

.hero-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
}

.content-panel,
.earth-stage,
.metric-chip,
.location-chip {
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(104, 164, 222, 0.18);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.9),
    rgba(239, 247, 255, 0.88)
  );
  box-shadow: 0 20px 48px rgba(89, 142, 186, 0.14);
  overflow: hidden;
}

.content-panel::before,
.earth-stage::before,
.metric-chip::before,
.location-chip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(100, 180, 243, 0.08),
    transparent 34%,
    rgba(0, 184, 148, 0.06)
  );
  pointer-events: none;
}

.content-panel,
.earth-stage {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.panel-heading h3,
.earth-stage-head h3 {
  margin: 12px 0 10px;
  color: #133a62;
  font-size: 24px;
  font-weight: 700;
}

.panel-heading p,
.earth-stage-head p,
.qual-intro p {
  margin: 0;
  color: rgba(66, 95, 128, 0.8);
  font-size: 14px;
  line-height: 1.8;
}

.advantage-panel,
.qualification-panel,
.earth-stage {
  flex: 1 1 auto;
}

.advantage-grid {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.advantage-card {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(113, 173, 228, 0.16);
  background: rgba(247, 251, 255, 0.92);
  opacity: 0;
  transform: translateY(26px);
  transition:
    transform 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    opacity 0.4s ease;
}

.advantage-card.visible,
.qual-tag-card.visible,
.metric-chip.visible {
  opacity: 1;
  transform: translateY(0);
}

.advantage-card:hover,
.qual-tag-card:hover,
.metric-chip:hover,
.location-chip:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 155, 224, 0.3);
  box-shadow: 0 20px 40px rgba(77, 144, 196, 0.16);
}

.advantage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(
    135deg,
    rgba(55, 197, 180, 0.14),
    rgba(61, 149, 236, 0.16)
  );
  border: 1px solid rgba(104, 176, 235, 0.18);
  color: #19507f;
  font-weight: 800;
  letter-spacing: 1px;
}

.advantage-body h4,
.qual-tag-card h4 {
  margin: 0 0 8px;
  color: #17426e;
  font-size: 18px;
  font-weight: 700;
}

.advantage-body p,
.qual-tag-card p {
  margin: 0;
  color: rgba(64, 94, 126, 0.82);
  font-size: 14px;
  line-height: 1.8;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.metric-strip-right {
  margin-top: 0;
}

.metric-chip {
  padding: 20px 22px;
  opacity: 0;
  transform: translateY(24px);
  transition:
    transform 0.4s ease,
    box-shadow 0.4s ease,
    border-color 0.4s ease,
    opacity 0.4s ease;
}

.metric-chip strong {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 10px;
}

.dc-number {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #11528a 0%, #2f8fe0 48%, #16b89a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dc-unit {
  color: #18a88f;
  font-size: 18px;
  font-weight: 700;
}

.dc-label {
  color: rgba(65, 95, 126, 0.76);
  font-size: 13px;
  letter-spacing: 0.5px;
}

.earth-stage {
  min-height: 100%;
  justify-content: flex-start;
}

.earth-container {
  position: relative;
  flex: 1 1 auto;
  min-height: 420px;
  height: auto;
  margin: 20px 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  overflow: hidden;
}

.map-stage-backdrop {
  position: absolute;
  inset: 20px;
  border-radius: 28px;
  background:
    radial-gradient(
      circle at 50% 45%,
      rgba(72, 167, 236, 0.16),
      transparent 42%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.64),
      rgba(224, 239, 250, 0.82)
    );
  border: 1px solid rgba(105, 170, 228, 0.18);
  box-shadow: inset 0 0 30px rgba(91, 158, 219, 0.12);
}

.sichuan-project-map {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  min-height: 100%;
}

.sichuan-project-map canvas {
  border-radius: 22px;
}

.sichuan-map-outline {
  fill: rgba(87, 174, 235, 0.12);
  stroke: rgba(47, 131, 201, 0.72);
  stroke-width: 2.6;
  filter: drop-shadow(0 18px 24px rgba(73, 133, 183, 0.18));
}

.sichuan-map-glow {
  fill: none;
  stroke: rgba(66, 182, 225, 0.18);
  stroke-width: 14;
  filter: blur(6px);
}

.map-grid-line {
  stroke: rgba(98, 164, 220, 0.14);
  stroke-width: 1;
}

.map-link-line {
  fill: none;
  stroke: rgba(73, 159, 228, 0.26);
  stroke-width: 2;
  stroke-dasharray: 7 8;
}

.map-link-line.core {
  stroke: rgba(0, 184, 148, 0.34);
}

.map-project-point {
  transition: transform 0.3s ease;
}

.map-project-core {
  fill: #00b894;
}

.map-project-base {
  fill: #35a8ff;
}

.map-project-plan {
  fill: #ffc857;
}

.map-project-ring {
  fill: none;
  stroke-width: 2;
  opacity: 0.42;
}

.map-project-ring.core {
  stroke: rgba(0, 184, 148, 0.6);
}

.map-project-ring.base {
  stroke: rgba(53, 168, 255, 0.6);
}

.map-project-ring.plan {
  stroke: rgba(255, 200, 87, 0.65);
}

.map-project-label {
  font-size: 13px;
  font-weight: 700;
  fill: #14446f;
}

.map-project-name {
  font-size: 11px;
  font-weight: 500;
  fill: rgba(69, 95, 123, 0.84);
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(52, 86, 120, 0.82);
  font-size: 12px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.03);
}

.legend-dot-core {
  background: #00b894;
}

.legend-dot-base {
  background: #35a8ff;
}

.legend-dot-plan {
  background: #ffc857;
}

.location-chip-list {
  display: grid;
  gap: 10px;
  margin-top: auto;
}

.location-chip {
  padding: 12px 14px;
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.location-chip strong {
  display: block;
  margin-bottom: 6px;
  color: #17446f;
  font-size: 15px;
}

.location-chip span {
  color: rgba(68, 97, 127, 0.8);
  font-size: 12px;
  line-height: 1.6;
}

.qualification-panel .panel-heading {
  margin-bottom: 24px;
}

.qual-intro {
  margin-bottom: 20px;
}

.qual-intro:empty {
  display: none;
}

.qual-tag-grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.map-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 220px;
  padding: 24px;
  text-align: center;
  color: rgba(33, 93, 150, 0.88);
  font-size: 14px;
  line-height: 1.7;
}

.map-state.is-error {
  color: rgba(165, 74, 74, 0.9);
}

.qual-tag-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(109, 173, 232, 0.16);
  background: rgba(248, 252, 255, 0.92);
  opacity: 0;
  transform: translateY(24px);
  transition:
    transform 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    opacity 0.4s ease;
}

.qual-tag-card-featured {
  background:
    linear-gradient(135deg, rgba(0, 184, 148, 0.08), rgba(0, 102, 204, 0.1)),
    rgba(248, 252, 255, 0.94);
}

.qual-type {
  display: inline-flex;
  margin-bottom: 15px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(73, 164, 239, 0.12);
  color: #21659f;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.qual-tag-card h4 {
  font-size: 16px;
}

.qual-tag-card p {
  font-size: 12px;
  line-height: 1.65;
}

@keyframes haloPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.05);
    opacity: 1;
  }
}

@keyframes haloRotate {
  0% {
    transform: rotateX(74deg) rotateZ(0deg);
  }
  100% {
    transform: rotateX(74deg) rotateZ(360deg);
  }
}

@keyframes haloRotateReverse {
  0% {
    transform: rotateX(74deg) rotateZ(30deg);
  }
  100% {
    transform: rotateX(74deg) rotateZ(-330deg);
  }
}

@media (max-width: 1320px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .earth-container {
    height: 500px;
  }
}

@media (max-width: 992px) {
  .section-dark-hero {
    padding: 90px 0 70px;
  }

  .hero-intro-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-badge-strip {
    justify-content: flex-start;
  }

  .advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qual-tag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .earth-container {
    height: 440px;
  }
}

@media (max-width: 768px) {
  .container-dark {
    padding: 0 18px;
  }

  .hero-intro-panel,
  .content-panel,
  .earth-stage {
    padding: 22px;
    border-radius: 24px;
  }

  .hero-title {
    font-size: 28px;
  }

  .brand-intro {
    font-size: 15px;
    line-height: 1.8;
  }

  .advantage-grid,
  .qual-tag-grid,
  .metric-strip {
    grid-template-columns: 1fr;
  }

  .qual-tag-grid {
    grid-template-rows: none;
  }

  .advantage-card {
    grid-template-columns: 48px 1fr;
    padding: 18px;
  }

  .advantage-icon {
    width: 48px;
    height: 48px;
  }

  .earth-container {
    height: 380px;
  }
}

@media (max-width: 576px) {
  .section-dark-hero {
    padding: 76px 0 56px;
  }

  .hero-badge-strip span,
  .hero-btn,
  .qual-type {
    font-size: 12px;
  }

  .panel-heading h3,
  .earth-stage-head h3 {
    font-size: 21px;
  }

  .earth-container {
    height: 320px;
  }

  .dc-number {
    font-size: 34px;
  }

  .map-project-label {
    font-size: 11px;
  }

  .map-project-name {
    font-size: 10px;
  }
}