/* ============================================================
   page-index.css — 首页 · Midnight Aurora 动态极光与版式
   ============================================================ */

html.theme-midnight-aurora .home-page {
  --idx-vitrine-bg: linear-gradient(
    155deg,
    rgba(28, 16, 48, 0.82) 0%,
    rgba(14, 8, 28, 0.88) 45%,
    rgba(18, 10, 36, 0.78) 100%
  );
  --idx-vitrine-border: rgba(167, 139, 250, 0.22);
  --idx-vitrine-shadow: 0 24px 60px -28px rgba(79, 70, 229, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* —— Hero：极光雾与动态光带 —— */
.idx-hero {
  position: relative;
  padding: clamp(32px, 6vw, 72px) 0 clamp(40px, 7vw, 88px);
  overflow: hidden;
}

/* 首页：整块 hero 接到视口顶缘，导航叠在其上（首屏不分节） */
html.theme-midnight-aurora:has(#page-home) .home-page .idx-hero {
  margin-top: calc(-1 * var(--nav-height));
  padding-top: calc(clamp(32px, 6vw, 72px) + var(--nav-height));
}

/* 整板轻微 3D：自略前倾姿态「压平」到正面（退阶折纸方案） */
.idx-hero__stage {
  position: relative;
  z-index: 1;
  perspective: 1280px;
  perspective-origin: 50% 40%;
  transform-style: preserve-3d;
}

.idx-hero__panel {
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transform-origin: 50% 45%;
  animation: idx-hero-panel-unfold 1.12s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes idx-hero-panel-unfold {
  0% {
    opacity: 0.9;
    transform: rotateX(11deg) translateZ(-22px) scale(0.988);
  }
  100% {
    opacity: 1;
    transform: rotateX(0) translateZ(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-hero__panel {
    animation: none;
    transform: none;
    opacity: 1;
  }

  .idx-hero__aurora::before {
    animation: none;
    opacity: 0.45;
    transform: none;
  }

  .title-metal--sub {
    animation: none;
  }

  .idx-hero .btn-primary.btn-gold {
    animation: none;
  }
}

.idx-hero__aurora {
  position: absolute;
  inset: -40% -20% -15%;
  height: auto;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(99, 102, 241, 0.35) 0, transparent 55%),
    radial-gradient(ellipse 50% 45% at 75% 35%, rgba(232, 121, 249, 0.22) 0, transparent 50%),
    radial-gradient(ellipse 40% 35% at 55% 75%, rgba(244, 114, 182, 0.12) 0, transparent 50%);
  filter: blur(0px);
  animation: idx-aurora-pulse 14s ease-in-out infinite alternate;
}

.idx-hero__aurora::after {
  content: '';
  position: absolute;
  inset: 10% 10% auto;
  height: 75%;
  z-index: 1;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(129, 140, 248, 0.15) 25%,
    rgba(244, 114, 182, 0.12) 50%,
    rgba(167, 139, 250, 0.1) 75%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: idx-aurora-sweep 18s linear infinite;
  opacity: 0.85;
  /* fade out toward bottom so the edge blends with the mesh layer below */
  -webkit-mask-image: linear-gradient(to bottom, black 45%, transparent 88%);
          mask-image: linear-gradient(to bottom, black 45%, transparent 88%);
}

@keyframes idx-aurora-pulse {
  0% {
    opacity: 0.85;
    transform: scale(1) translate(0, 0);
  }
  100% {
    opacity: 1;
    transform: scale(1.03) translate(1%, -1%);
  }
}

@keyframes idx-aurora-sweep {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 200% 50%;
  }
}

/* 极光底层：极慢「呼吸」光斑（与 pulse/sweep 错频，不抢戏） */
.idx-hero__aurora::before {
  content: '';
  position: absolute;
  inset: 8% 5% 12%;
  border-radius: 50%;
  background: radial-gradient(ellipse 72% 58% at 48% 44%, rgba(139, 92, 246, 0.14) 0%, transparent 62%);
  pointer-events: none;
  z-index: 0;
  animation: idx-aurora-breathe 22s ease-in-out infinite alternate;
}

@keyframes idx-aurora-breathe {
  0% {
    opacity: 0.35;
    transform: scale(0.98);
  }
  100% {
    opacity: 0.58;
    transform: scale(1.03);
  }
}

.idx-hero .container {
  position: relative;
  z-index: 1;
}

.idx-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

.idx-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c4b5fd;
  margin-bottom: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(232, 121, 249, 0.08));
  box-shadow: 0 0 24px -8px rgba(139, 92, 246, 0.45);
}

.idx-kicker .idx-ico--kicker {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.92;
}

.title-metal {
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #f5f3ff;
  text-shadow: 0 0 60px rgba(167, 139, 250, 0.25);
}

.title-metal--sub {
  display: inline-block;
  max-width: 100%;
  background: linear-gradient(135deg, #e9d5ff 0%, #c4b5fd 35%, #f0abfc 65%, #fda4af 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(232, 121, 249, 0.35));
  animation: idx-title-sub-flow 12s ease-in-out infinite alternate;
}

@keyframes idx-title-sub-flow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

/* 首屏一句话卖点（替代长段落 + 列表） */
.idx-hero__tagline {
  margin-top: 18px;
  max-width: 38em;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: rgba(233, 223, 255, 0.96);
  text-wrap: balance;
}

.idx-hero__tagline strong {
  color: #f5d0fe;
  font-weight: 800;
}

.idx-lead {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 52ch;
}

.idx-lead strong {
  color: #e9d5ff;
  font-weight: 800;
}

.idx-bullets {
  list-style: none;
  margin: 22px 0 0;
}

.idx-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 10px;
}

.idx-bullets i {
  width: 18px;
  height: 18px;
  color: #a78bfa;
  flex-shrink: 0;
  margin-top: 2px;
}

.idx-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

/* 首屏主按钮：极光渐变，替代全站金色 CTA，避免与紫粉主色冲突 */
.idx-hero .btn-primary.btn-gold {
  color: #faf5ff;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 38%, #a855f7 72%, #d946ef 100%);
  box-shadow:
    0 14px 40px -12px rgba(139, 92, 246, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  animation: idx-hero-cta-glow 3.2s ease-in-out infinite;
}

@keyframes idx-hero-cta-glow {
  0%,
  100% {
    box-shadow:
      0 14px 40px -12px rgba(139, 92, 246, 0.48),
      0 0 0 0 rgba(232, 121, 249, 0),
      inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }
  50% {
    box-shadow:
      0 18px 46px -10px rgba(167, 92, 246, 0.58),
      0 0 32px -4px rgba(232, 121, 249, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }
}

.idx-hero .btn-primary.btn-gold:hover {
  animation: none;
  filter: brightness(1.07);
  transform: translateY(-2px);
  box-shadow:
    0 20px 48px -14px rgba(217, 70, 239, 0.48),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.idx-hero .btn-secondary {
  border-color: rgba(167, 139, 250, 0.38);
  background: rgba(10, 6, 22, 0.55);
  color: #e9d5ff;
}

.idx-hero .btn-secondary:hover {
  border-color: rgba(244, 114, 182, 0.45);
  background: rgba(99, 102, 241, 0.14);
  color: #fdf4ff;
}

.idx-hero .btn-secondary.btn-secondary--has-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.idx-hero .btn-secondary.btn-secondary--has-icon .idx-ico--btn {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.88;
}

.idx-vitrine {
  border-radius: 18px;
  border: 1px solid var(--idx-vitrine-border, rgba(167, 139, 250, 0.22));
  background: var(--idx-vitrine-bg, rgba(22, 12, 38, 0.75));
  box-shadow: var(--idx-vitrine-shadow, var(--soft-shadow));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.idx-hero__aside {
  padding: 22px 22px 20px;
}

@keyframes idx-aside-idle-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

/* 首屏定价卡：空闲小浮动 + hover 再上浮一层、边框提亮 */
.idx-hero__aside.idx-vitrine {
  animation: idx-aside-idle-float 5.5s ease-in-out infinite alternate;
  transition:
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.idx-hero__aside.idx-vitrine:hover {
  animation: none;
  transform: translateY(-7px);
  border-color: rgba(167, 139, 250, 0.38);
  box-shadow:
    0 28px 64px -28px rgba(79, 70, 229, 0.45),
    0 0 0 1px rgba(232, 121, 249, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

@media (prefers-reduced-motion: reduce) {
  .idx-hero__aside.idx-vitrine {
    animation: none;
    transition: none;
  }

  .idx-hero__aside.idx-vitrine:hover {
    transform: none;
  }
}

.idx-aside__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #f0abfc;
  margin-bottom: 16px;
}

.idx-aside__label > i {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: #f0abfc;
  opacity: 0.95;
}

.idx-aside__list {
  list-style: none;
}

.idx-aside__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(167, 139, 250, 0.12);
}

.idx-aside__list li:last-child {
  border-bottom: none;
}

.idx-aside__sku {
  font-size: 15px;
  font-weight: 700;
  color: #e8e4f5;
}

.idx-aside__price {
  font-size: 22px;
  font-weight: 900;
  color: #fdf4ff;
  text-shadow:
    0 0 32px rgba(232, 121, 249, 0.42),
    0 0 2px rgba(167, 139, 250, 0.35);
}

.idx-aside__usd {
  font-size: 16px;
  color: rgba(233, 213, 255, 0.88);
}

.idx-aside__per {
  font-size: 13px;
  font-weight: 700;
  color: rgba(196, 181, 253, 0.82);
  margin-left: 2px;
}

.idx-aside__hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.5;
}

.idx-aside__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 800;
  color: #a5b4fc;
  text-decoration: none;
  transition: color 0.2s ease;
}

.idx-aside__link:hover {
  color: #f0abfc;
}

.idx-aside__link i {
  width: 16px;
  height: 16px;
}

/* 定价表 */
.idx-pricing {
  padding: clamp(36px, 6vw, 72px) 0;
}

.idx-block-head {
  text-align: center;
  margin-bottom: 32px;
}

.idx-block-head__title {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.02em;
}

.idx-block-head__sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}

.idx-block-head--tight {
  margin-bottom: 20px;
}

.idx-pricing__masthead {
  display: grid;
  grid-template-columns: minmax(120px, 220px) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  align-items: center;
  padding: clamp(20px, 4vw, 28px);
  border-radius: 22px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.idx-pricing__masthead-visual {
  position: relative;
  min-height: 112px;
  border-radius: 16px;
  border: 1px solid rgba(167, 139, 250, 0.22);
  overflow: hidden;
  background: #0a0612;
}

.idx-pricing__masthead-img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  aspect-ratio: 440 / 224;
  object-fit: cover;
}

.idx-pricing__masthead-title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.02em;
}

.idx-pricing__masthead-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(220, 210, 245, 0.92);
}

.idx-pricing__masthead-sub strong {
  color: #e9d5ff;
  font-weight: 800;
}

.idx-pricing__masthead-muted {
  color: var(--muted);
}

@media (max-width: 640px) {
  .idx-pricing__masthead {
    grid-template-columns: 1fr;
  }

  .idx-pricing__masthead-visual {
    min-height: 96px;
  }
}

.idx-pricing__shell {
  padding: clamp(20px, 4vw, 32px);
  border-radius: 22px;
}

/* 节点区：玻璃拟态胶囊条（统一 globe 图标） */
.idx-pricing__capsule-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(8px, 2vw, 12px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.idx-node-capsule {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #f5f3ff;
  background: linear-gradient(
    145deg,
    rgba(99, 102, 241, 0.14) 0%,
    rgba(24, 14, 42, 0.45) 45%,
    rgba(8, 5, 16, 0.65) 100%
  );
  border: 1px solid rgba(196, 181, 253, 0.28);
  box-shadow:
    0 8px 28px -12px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.idx-node-capsule__ico {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(167, 139, 250, 0.28);
  color: #ddd6fe;
}

.idx-node-capsule__ico i {
  width: 16px;
  height: 16px;
}

.idx-node-capsule__text {
  white-space: nowrap;
}

@media (max-width: 520px) {
  .idx-node-capsule {
    padding: 9px 14px;
    font-size: 13px;
  }
}

.idx-pricing__shell .idx-pricing__note {
  margin-top: 18px;
  margin-bottom: 0;
  max-width: none;
}

.idx-subhead {
  font-size: 18px;
  font-weight: 800;
  color: #e9d5ff;
  margin: 32px 0 16px;
}

.idx-pricing__note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 72ch;
}

/* 算力场景（扩充） */
.idx-ai-scenes {
  padding: clamp(28px, 5vw, 56px) 0;
}

.idx-ai-scenes__head {
  text-align: center;
  margin-bottom: clamp(28px, 5vw, 40px);
}

.idx-ai-scenes__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #7dd3fc;
  text-shadow: 0 0 28px rgba(125, 211, 252, 0.22);
}

.idx-ai-scenes__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.idx-ai-scenes__title-brand {
  color: #fbbf24;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .idx-ai-scenes__title-brand {
    background: linear-gradient(115deg, #fcd34d 0%, #f59e0b 42%, #fbbf24 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.idx-ai-scenes__sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  max-width: 58ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.idx-ai-scenes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 28px);
}

@media (max-width: 900px) {
  .idx-ai-scenes__grid {
    grid-template-columns: 1fr;
  }
}

.idx-ai-card {
  padding: 0;
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.idx-ai-card--bubble {
  overflow: visible;
  border-radius: 22px;
  background: linear-gradient(165deg, rgba(18, 10, 36, 0.55), rgba(6, 4, 14, 0.92));
  box-shadow:
    0 22px 56px -28px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(167, 139, 250, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.idx-ai-card--bubble.idx-lower-card {
  overflow: visible;
}

.idx-ai-card__bubble-stack {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3.5vw, 28px);
  height: 100%;
}

/* 五星评价（参考浅色卡顶部星标，适配暗色） */
.idx-ai-card__stars {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 12px;
}

.idx-ai-card__star {
  font-size: 15px;
  line-height: 1;
  color: #fbbf24;
  text-shadow:
    0 0 12px rgba(251, 191, 36, 0.45),
    0 1px 0 rgba(180, 83, 9, 0.35);
}

/* 对话气泡：浅紫半透明 + 细边 + 毛玻璃 */
.idx-ai-card__bubble {
  position: relative;
  padding: clamp(18px, 3vw, 24px) clamp(18px, 3vw, 24px) clamp(20px, 3.2vw, 26px);
  border-radius: 22px;
  border: 1px solid rgba(196, 181, 253, 0.38);
  background: linear-gradient(
    168deg,
    rgba(99, 102, 241, 0.24) 0%,
    rgba(36, 22, 62, 0.72) 45%,
    rgba(12, 8, 24, 0.92) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 14px 40px -20px rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.idx-ai-card__bubble--brain {
  border-color: rgba(232, 121, 249, 0.32);
}

.idx-ai-card__bubble--ci {
  border-color: rgba(129, 140, 248, 0.38);
}

.idx-ai-card__bubble--iso {
  border-color: rgba(244, 114, 182, 0.28);
}

.idx-ai-card__bubble-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.idx-ai-card__tag {
  position: static;
  display: inline-block;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(233, 213, 255, 0.95);
  background: rgba(8, 5, 18, 0.45);
  border: 1px solid rgba(167, 139, 250, 0.4);
}

.idx-ai-card__bubble-thumb {
  display: block;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid rgba(196, 181, 253, 0.25);
  box-shadow: 0 6px 18px -6px rgba(0, 0, 0, 0.55);
}

.idx-ai-card__quote {
  margin: 0;
  padding: 0;
  border: none;
}

.idx-ai-card__quote p {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: rgba(237, 233, 254, 0.92);
  line-height: 1.72;
  letter-spacing: -0.01em;
}

.idx-ai-card__quote p::before {
  content: '\201C';
  margin-right: 2px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.05em;
  font-weight: 600;
  color: rgba(196, 181, 253, 0.42);
}

.idx-ai-card__quote p::after {
  content: '\201D';
  margin-left: 2px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.05em;
  font-weight: 600;
  color: rgba(196, 181, 253, 0.42);
}

/* 气泡小三角，指向左下角署名 */
.idx-ai-card__bubble-notch {
  align-self: flex-start;
  width: 0;
  height: 0;
  margin-left: 40px;
  margin-top: -1px;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 12px solid rgba(16, 10, 32, 0.95);
}

.idx-ai-card__bubble-notch--ci {
  border-top-color: rgba(14, 10, 40, 0.96);
}

.idx-ai-card__bubble-notch--iso {
  border-top-color: rgba(18, 8, 28, 0.96);
}

.idx-ai-card__cite {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 10px;
  padding: 0 0 2px 4px;
  border: none;
}

.idx-ai-card__avatar {
  display: block;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  object-fit: cover;
  object-position: center top;
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.35), rgba(232, 121, 249, 0.18));
  border: 1px solid rgba(196, 181, 253, 0.38);
  box-shadow: 0 6px 18px -8px rgba(99, 102, 241, 0.45);
}

.idx-ai-card__who {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  text-align: left;
}

.idx-ai-card__name {
  font-size: 15px;
  font-weight: 800;
  font-style: normal;
  color: #f5f3ff;
  letter-spacing: -0.02em;
}

.idx-ai-card__role {
  font-size: 13px;
  color: rgba(196, 181, 253, 0.72);
  line-height: 1.4;
}

.idx-ai-scenes--band {
  position: relative;
  padding: clamp(40px, 8vw, 88px) 0;
  overflow: hidden;
}

.idx-ai-scenes--band::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  width: min(100%, 980px);
  height: min(55vw, 440px);
  background: radial-gradient(ellipse at 50% 40%, rgba(99, 102, 241, 0.14) 0%, rgba(232, 121, 249, 0.05) 48%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.idx-ai-scenes--band .container {
  position: relative;
  z-index: 1;
}

/* —— 信任规格条（重设计：单面板 · 彩色图标徽章 · 大数字） —— */
.idx-stat-strip {
  padding: clamp(16px, 3vw, 24px) 0;
}

/* 单块连通玻璃面板，idx-vitrine 放在 ul 上 */
.idx-stat-strip__list {
  display: flex;
  list-style: none;
  padding: 0;
  gap: 0;
  border-radius: 22px;
  overflow: hidden;
}

/* 内部分隔线 */
.idx-stat-strip__item {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(28px, 4vw, 44px) clamp(14px, 2vw, 24px);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-right: 1px solid rgba(167, 139, 250, 0.1);
  transition: background 0.32s ease;
}

.idx-stat-strip__item:last-child {
  border-right: none;
}

/* 悬停底部光晕 */
.idx-stat-strip__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 65% at 50% 110%,
    var(--stat-glow, rgba(99, 102, 241, 0.1)) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.36s ease;
  pointer-events: none;
  z-index: 0;
}

.idx-stat-strip__item:hover::before {
  opacity: 1;
}

.idx-stat-strip__item > * {
  position: relative;
  z-index: 1;
}

/* 彩色图标徽章 */
.idx-stat-strip__ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  margin-bottom: 20px;
  background: var(--stat-ico-bg, rgba(99, 102, 241, 0.14));
  border: 1px solid var(--stat-ico-border, rgba(99, 102, 241, 0.28));
  box-shadow: 0 0 24px var(--stat-ico-glow, rgba(99, 102, 241, 0.16));
  transition: box-shadow 0.32s ease, transform 0.32s ease;
}

.idx-stat-strip__item:hover .idx-stat-strip__ico {
  box-shadow: 0 0 36px var(--stat-ico-glow, rgba(99, 102, 241, 0.28));
  transform: translateY(-3px);
}

.idx-stat-strip__ico i {
  width: 22px;
  height: 22px;
  color: var(--stat-ico-color, #a5b4fc);
}

/* 每格独立配色 */
.idx-stat-strip__item:nth-child(1) {
  --stat-ico-bg:     rgba(99, 102, 241, 0.14);
  --stat-ico-border: rgba(99, 102, 241, 0.28);
  --stat-ico-glow:   rgba(99, 102, 241, 0.18);
  --stat-ico-color:  #a5b4fc;
  --stat-glow:       rgba(99, 102, 241, 0.10);
}

.idx-stat-strip__item:nth-child(2) {
  --stat-ico-bg:     rgba(14, 165, 233, 0.12);
  --stat-ico-border: rgba(14, 165, 233, 0.26);
  --stat-ico-glow:   rgba(14, 165, 233, 0.16);
  --stat-ico-color:  #7dd3fc;
  --stat-glow:       rgba(14, 165, 233, 0.08);
}

.idx-stat-strip__item:nth-child(3) {
  --stat-ico-bg:     rgba(139, 92, 246, 0.14);
  --stat-ico-border: rgba(139, 92, 246, 0.28);
  --stat-ico-glow:   rgba(139, 92, 246, 0.18);
  --stat-ico-color:  #c4b5fd;
  --stat-glow:       rgba(139, 92, 246, 0.10);
}

.idx-stat-strip__item:nth-child(4) {
  --stat-ico-bg:     rgba(232, 121, 249, 0.12);
  --stat-ico-border: rgba(232, 121, 249, 0.24);
  --stat-ico-glow:   rgba(232, 121, 249, 0.16);
  --stat-ico-color:  #f0abfc;
  --stat-glow:       rgba(232, 121, 249, 0.08);
}

/* 数字：比原来大一倍 */
.idx-stat-strip__value {
  display: block;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  background: linear-gradient(135deg, #f5f3ff 0%, #e9d5ff 45%, #c4b5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.idx-stat-strip__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.45;
  transition: color 0.28s ease;
}

.idx-stat-strip__item:hover .idx-stat-strip__label {
  color: rgba(196, 181, 253, 0.88);
}

/* 响应式 */
@media (max-width: 900px) {
  .idx-stat-strip__list {
    flex-wrap: wrap;
    border-radius: 18px;
  }

  .idx-stat-strip__item {
    flex: 1 1 50%;
    border-bottom: 1px solid rgba(167, 139, 250, 0.10);
  }

  .idx-stat-strip__item:nth-child(odd) {
    border-right: 1px solid rgba(167, 139, 250, 0.10);
  }

  .idx-stat-strip__item:nth-child(even) {
    border-right: none;
  }

  .idx-stat-strip__item:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

@media (max-width: 480px) {
  .idx-stat-strip__item {
    flex: 1 1 100%;
    border-right: none !important;
    border-bottom: 1px solid rgba(167, 139, 250, 0.10);
  }

  .idx-stat-strip__item:last-child {
    border-bottom: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .idx-stat-strip__item::before,
  .idx-stat-strip__item:hover::before {
    transition: none;
    opacity: 0;
  }

  .idx-stat-strip__ico,
  .idx-stat-strip__item:hover .idx-stat-strip__ico {
    transition: none;
    transform: none;
  }
}

/* —— 开发工作流 Tab（对标参考布局 · Aurora 紫粉高光，非默认蓝） —— */
.idx-workflow {
  position: relative;
  padding: clamp(32px, 6vw, 72px) 0;
  overflow: hidden;
}

.idx-workflow::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  width: min(96vw, 920px);
  height: min(55vw, 380px);
  background: radial-gradient(ellipse at 50% 40%, rgba(99, 102, 241, 0.16) 0%, rgba(232, 121, 249, 0.06) 45%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.idx-workflow .container {
  position: relative;
  z-index: 1;
}

/* 置于页脚前：与「算力场景」区分，底部多留呼吸感 */
.idx-workflow.idx-workflow--pre-footer {
  border-top: 1px solid rgba(167, 139, 250, 0.12);
  padding-top: clamp(40px, 7vw, 80px);
  padding-bottom: clamp(56px, 10vw, 104px);
}

.idx-workflow__head {
  text-align: center;
  margin-bottom: clamp(22px, 4vw, 32px);
}

.idx-workflow__head-badge {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.idx-workflow__head-badge i {
  width: 28px;
  height: 28px;
  color: rgba(196, 181, 253, 0.55);
}

.idx-workflow__title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.02em;
}

.idx-workflow__sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

.idx-workflow__rail-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 22px;
  padding: 4px 2px 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(167, 139, 250, 0.35) transparent;
}

.idx-workflow__rail {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 10px 12px;
  flex-wrap: wrap;
  min-width: min-content;
  margin: 0 auto;
}

@media (max-width: 520px) {
  .idx-workflow__rail {
    justify-content: flex-start;
    flex-wrap: nowrap;
    padding: 0 4px;
  }
}

.idx-workflow__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  min-width: 86px;
  max-width: 112px;
  border: 1px solid rgba(167, 139, 250, 0.12);
  border-radius: 16px;
  background: rgba(10, 6, 22, 0.65);
  color: rgba(180, 170, 210, 0.88);
  cursor: pointer;
  font-family: inherit;
  transition:
    color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease,
    border-color 0.22s ease;
}

.idx-workflow__tab-ico {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  color: #a78bfa;
  transition: inherit;
}

.idx-workflow__tab-ico i {
  width: 22px;
  height: 22px;
}

.idx-workflow__tab-label {
  font-size: 11px;
  font-weight: 800;
  text-align: center;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.idx-workflow__tab.is-active {
  color: #fdf4ff;
  border-color: rgba(232, 121, 249, 0.45);
  background: radial-gradient(ellipse 90% 120% at 50% 0%, rgba(139, 92, 246, 0.35) 0%, rgba(18, 10, 32, 0.95) 52%);
  box-shadow:
    0 0 0 1px rgba(167, 139, 250, 0.45),
    0 0 40px -10px rgba(217, 70, 239, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.idx-workflow__tab.is-active .idx-workflow__tab-ico {
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.55), rgba(232, 121, 249, 0.28));
  color: #fef3ff;
  box-shadow: 0 0 22px rgba(167, 139, 250, 0.45);
}

.idx-workflow__tab:not(.is-active):hover {
  color: #ddd6fe;
  border-color: rgba(167, 139, 250, 0.28);
  background: rgba(99, 102, 241, 0.12);
}

.idx-workflow__panels {
  position: relative;
}

.idx-workflow__panel {
  padding: clamp(22px, 4vw, 36px) clamp(20px, 4vw, 40px);
  border-radius: 20px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  box-shadow:
    0 24px 60px -28px rgba(79, 70, 229, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 0 1px rgba(167, 139, 250, 0.12),
    0 0 52px -18px rgba(232, 121, 249, 0.18);
}

.idx-workflow__panel[hidden] {
  display: none !important;
}

.idx-workflow__panel-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 900;
  color: #f5f3ff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.idx-workflow__panel-title .idx-ico--panel {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: #c4b5fd;
}

.idx-workflow__panel-desc {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(215, 205, 240, 0.93);
  margin: 0;
}

.idx-workflow__cta-wrap {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

.idx-workflow__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 14px 30px;
  border: none;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  line-height: 1.25;
  text-align: center;
  font-family: inherit;
  cursor: pointer;
  color: #faf5ff;
  box-sizing: border-box;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 38%, #a855f7 72%, #d946ef 100%);
  box-shadow:
    0 14px 40px -12px rgba(139, 92, 246, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

.idx-workflow__cta:hover {
  filter: brightness(1.07);
  transform: translateY(-2px);
  box-shadow:
    0 20px 48px -14px rgba(217, 70, 239, 0.48),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.idx-workflow__cta i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .idx-workflow__tab {
    transition: none;
  }

  .idx-workflow__tab.is-active {
    transform: none;
  }

  .idx-workflow__cta:hover {
    transform: none;
  }
}

/* —— 首屏以下：统一大卡片节奏 —— */
@keyframes idx-lower-spot-breathe {
  0%,
  100% {
    opacity: 0.35;
    transform: translate(0, 0) scale(1);
  }
  50% {
    opacity: 0.62;
    transform: translate(2%, -2%) scale(1.04);
  }
}

.idx-lower-card {
  position: relative;
  overflow: hidden;
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.idx-lower-card::before {
  content: '';
  position: absolute;
  inset: -40% -30% -30% -30%;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 55% 58% at 30% 28%, rgba(139, 92, 246, 0.22) 0%, transparent 58%),
    radial-gradient(ellipse 42% 48% at 72% 65%, rgba(232, 121, 249, 0.12) 0%, transparent 52%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: idx-lower-spot-breathe 8s ease-in-out infinite alternate;
}

.idx-lower-card > * {
  position: relative;
  z-index: 1;
}

.idx-lower-card:hover {
  transform: translateY(-3px);
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow:
    0 22px 52px -26px rgba(79, 70, 229, 0.42),
    0 0 0 1px rgba(232, 121, 249, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.idx-lower-card:hover::before {
  opacity: 0.72;
  animation-play-state: paused;
}

/* —— 服务一览（主：大图 / 次：侧卡） —— */
.idx-proposition--visual {
  position: relative;
}

.idx-proposition__intro {
  text-align: center;
  margin-bottom: clamp(24px, 5vw, 40px);
  max-width: 62ch;
  margin-left: auto;
  margin-right: auto;
}

.idx-proposition__kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #f0abfc;
}

.idx-proposition__kicker > i {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: #f0abfc;
  opacity: 0.95;
}

.idx-proposition__h {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.idx-proposition__intro-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

.idx-proposition__intro-text strong {
  color: #ddd6fe;
  font-weight: 800;
}

.idx-proposition__bento {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: clamp(14px, 2.2vw, 18px);
  align-items: stretch;
}

.idx-proposition__hero {
  grid-column: 1;
  grid-row: 1 / -1;
  display: flex;
  flex-direction: column;
  padding: 0;
  border-radius: 22px;
  overflow: hidden;
}

.idx-proposition__side {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-radius: 18px;
  overflow: hidden;
  min-height: 0;
}

.idx-proposition__hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #0a0612;
}

.idx-proposition__hero-img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  object-fit: cover;
  aspect-ratio: 960 / 520;
}

.idx-proposition__hero-badge {
  position: absolute;
  left: clamp(14px, 3vw, 22px);
  bottom: clamp(14px, 3vw, 22px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px 10px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #f5f3ff;
  background: rgba(12, 6, 22, 0.72);
  border: 1px solid rgba(167, 139, 250, 0.35);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.idx-proposition__hero-badge-t {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #0c0614;
  background: linear-gradient(135deg, #e9d5ff 0%, #c4b5fd 45%, #f0abfc 100%);
}

.idx-proposition__hero-badge-ico {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: #c4b5fd;
  opacity: 0.95;
}

.idx-proposition__hero-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: clamp(22px, 4vw, 32px);
  position: relative;
  border-top: 1px solid rgba(167, 139, 250, 0.12);
  background: linear-gradient(180deg, rgba(12, 8, 22, 0.55) 0%, rgba(10, 6, 18, 0.88) 45%, rgba(8, 5, 14, 0.98) 100%);
}

.idx-proposition__hero-body::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse 95% 70% at 50% 0%, rgba(139, 92, 246, 0.14) 0%, transparent 58%);
}

.idx-proposition__hero-body-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.5vw, 18px);
  flex: 1;
  min-height: 0;
}

.idx-proposition__hero-highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

@media (max-width: 640px) {
  .idx-proposition__hero-highlights {
    grid-template-columns: 1fr;
  }
}

.idx-proposition__hero-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 8px 28px -18px rgba(79, 70, 229, 0.35);
  font-size: 13px;
  line-height: 1.5;
  color: rgba(222, 212, 248, 0.95);
}

.idx-proposition__hero-hl-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  margin-top: 1px;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.25), rgba(232, 121, 249, 0.08));
  border: 1px solid rgba(167, 139, 250, 0.22);
}

.idx-proposition__hero-hl-ico i {
  width: 18px;
  height: 18px;
  color: #d8b4fe;
}

.idx-proposition__hero-hl-text {
  display: block;
  min-width: 0;
}

.idx-proposition__hero-hl-text strong {
  display: block;
  margin-bottom: 3px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f0e8ff;
}

.idx-proposition__hero-body-inner .idx-proposition__hero-title {
  margin: 0;
}

.idx-proposition__hero-title {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.02em;
}

.idx-proposition__hero-title > i {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 3px;
  color: #c4b5fd;
}

.idx-proposition__hero-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(220, 210, 245, 0.95);
}

.idx-proposition__hero-lead strong {
  color: #fff;
  font-weight: 800;
}

.idx-proposition__hero-meta {
  margin: 0;
  margin-top: auto;
  padding-top: clamp(12px, 2vw, 16px);
  border-top: 1px solid rgba(167, 139, 250, 0.12);
  font-size: 13px;
  line-height: 1.55;
  color: rgba(180, 170, 210, 0.75);
}

.idx-proposition__side-media {
  position: relative;
  flex-shrink: 0;
  line-height: 0;
  background: #080510;
}

.idx-proposition__side-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 480 / 200;
}

.idx-proposition__side-body {
  padding: clamp(16px, 3vw, 20px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.idx-proposition__side-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(196, 181, 253, 0.85);
}

.idx-proposition__side-label > i {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  color: rgba(196, 181, 253, 0.75);
}

.idx-proposition__side-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: #f5f3ff;
}

.idx-proposition__side-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  flex: 1;
}

.idx-proposition__side-text strong {
  color: #e9d5ff;
  font-weight: 800;
}

.idx-proposition__side-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 13px;
  font-weight: 800;
  color: #a5b4fc;
  text-decoration: none;
  transition: color 0.2s ease;
}

.idx-proposition__side-link:hover {
  color: #f0abfc;
}

.idx-proposition__side-link i {
  width: 16px;
  height: 16px;
}

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

  .idx-proposition__hero {
    grid-column: 1;
    grid-row: auto;
  }
}

.idx-proposition {
  padding: clamp(28px, 5vw, 56px) 0 clamp(16px, 3vw, 28px);
}

/* —— 机型选购指南（双卡对比 + 底栏 · 适配 use-case 式布局，极光色非荧光绿） —— */
.idx-m4-guide {
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid rgba(167, 139, 250, 0.15);
}

.idx-m4-guide__head--usecase {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.idx-m4-guide__head--usecase .idx-m4-guide__title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.03em;
  text-transform: none;
}

.idx-m4-guide__title > i {
  width: 24px;
  height: 24px;
  color: #c4b5fd;
}

.idx-m4-guide__sub {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  color: rgba(180, 170, 210, 0.88);
  line-height: 1.55;
}

.idx-m4-guide__bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2.5vw, 20px);
  align-items: stretch;
}

@media (max-width: 820px) {
  .idx-m4-guide__bento {
    grid-template-columns: 1fr;
  }
}

/* 左卡：高亮渐变（对标参考图「浅色主卡」） */
.idx-m4-use {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(20px, 3.5vw, 28px);
  border-radius: 26px;
  text-align: left;
}

.idx-m4-use--pop {
  background: linear-gradient(155deg, #ddd6fe 0%, #e9d5ff 28%, #f5d0fe 72%, #fbcfe8 100%);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow:
    0 0 0 1px rgba(12, 6, 22, 0.06) inset,
    0 24px 56px -28px rgba(124, 58, 237, 0.45);
}

.idx-m4-use__badge {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #f5f3ff;
  background: #0c0614;
  margin-bottom: 14px;
}

.idx-m4-use--pop .idx-m4-use__hl {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  color: #12081f;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.idx-m4-use--pop .idx-m4-use__lead {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(30, 16, 48, 0.88);
}

.idx-m4-use--pop .idx-m4-use__lead strong {
  color: #4c1d95;
  font-weight: 800;
}

.idx-m4-use__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(40, 22, 62, 0.82);
  flex: 1;
}

.idx-m4-use__list li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 1em;
}

.idx-m4-use__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7c3aed;
}

.idx-m4-use__list li:last-child {
  margin-bottom: 0;
}

.idx-m4-use--pop .idx-m4-use__list strong {
  color: #5b21b6;
  font-weight: 800;
}

/* 右卡：深色 + 描边光晕（对标参考图「暗色副卡」） */
.idx-m4-use--pro {
  position: relative;
  background: linear-gradient(165deg, #0f081c 0%, #080510 55%, #0a0614 100%);
  border: 1px solid rgba(167, 139, 250, 0.35);
  box-shadow:
    0 0 0 1px rgba(232, 121, 249, 0.08) inset,
    0 28px 64px -32px rgba(79, 70, 229, 0.55);
  overflow: hidden;
}

.idx-m4-use--pro::after {
  content: '';
  position: absolute;
  right: -20%;
  bottom: -25%;
  width: 70%;
  height: 55%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35) 0%, rgba(232, 121, 249, 0.12) 45%, transparent 70%);
  pointer-events: none;
}

.idx-m4-use--pro > * {
  position: relative;
  z-index: 1;
}

.idx-m4-use__badge--ghost {
  background: rgba(22, 12, 38, 0.92);
  border: 1px solid rgba(167, 139, 250, 0.35);
  color: #e9d5ff;
}

.idx-m4-use--pro .idx-m4-use__hl {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  color: #f5f3ff;
  letter-spacing: -0.03em;
}

.idx-m4-use__tagline {
  margin: 0 0 12px;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 800;
  line-height: 1.3;
}

.idx-m4-use__accent {
  background: linear-gradient(105deg, #e9d5ff 0%, #f0abfc 45%, #c4b5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(232, 121, 249, 0.35));
}

.idx-m4-use__lead--dim {
  color: rgba(200, 190, 225, 0.88) !important;
}

.idx-m4-use--pro .idx-m4-use__lead--dim strong {
  color: #f5f3ff;
}

.idx-m4-use--pro .idx-m4-use__list {
  color: rgba(180, 170, 210, 0.9);
}

.idx-m4-use--pro .idx-m4-use__list strong {
  color: #fdf4ff;
  font-weight: 800;
}

.idx-m4-use--pro .idx-m4-use__list li::before {
  background: linear-gradient(135deg, #e879f9, #a78bfa);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.5);
}

/* CTA：左深丸按钮 / 右极光丸按钮 */
.idx-m4-use__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: auto;
  align-self: flex-start;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.idx-m4-use__cta i {
  width: 18px;
  height: 18px;
}

.idx-m4-use__cta--ink {
  color: #faf5ff;
  background: #0c0614;
  border: 1px solid rgba(12, 6, 22, 0.5);
  box-shadow: 0 10px 28px -12px rgba(12, 6, 22, 0.5);
}

.idx-m4-use__cta--ink:hover {
  transform: translateY(-2px);
  color: #fff;
}

.idx-m4-use__cta--neon {
  color: #0f0518;
  background: linear-gradient(135deg, #e9d5ff 0%, #d8b4fe 40%, #f0abfc 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 36px -14px rgba(232, 121, 249, 0.65);
}

.idx-m4-use__cta--neon:hover {
  transform: translateY(-2px);
}

/* 与 idx-vitrine / idx-lower-card 共存：浅色卡去掉毛玻璃与过强光斑 */
.idx-m4-use--pop.idx-vitrine {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.idx-m4-use--pop.idx-lower-card::before {
  opacity: 0.08;
}

.idx-m4-use--pro.idx-lower-card::before {
  opacity: 0.35;
}

@media (prefers-reduced-motion: reduce) {
  .idx-hero__aurora,
  .idx-hero__aurora::before,
  .idx-hero__aurora::after {
    animation: none;
  }

  .idx-lower-card {
    transition: none;
  }

  .idx-lower-card:hover {
    transform: none;
    border-color: var(--idx-vitrine-border, rgba(167, 139, 250, 0.22));
    box-shadow: var(--idx-vitrine-shadow, var(--soft-shadow));
  }

  .idx-lower-card::before,
  .idx-lower-card:hover::before {
    animation: none;
    opacity: 0.45;
    transform: none;
  }
}

/* ============================================================
   方案 A：全宽居中超大标题 Hero
   ============================================================ */

/* 增加垂直呼吸空间 */
.idx-hero:has(.idx-hero__center) {
  padding: clamp(64px, 11vw, 128px) 0 clamp(72px, 12vw, 128px);
}

/* 居中单栏容器 */
.idx-hero__center {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.idx-hero__center .idx-hero__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* 超大标题 */
.title-hero-xl {
  margin: 0;
  font-size: clamp(52px, 9vw, 110px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-align: center;
  color: #f5f3ff;
}

.title-hero-xl__primary {
  text-shadow: 0 0 80px rgba(167, 139, 250, 0.3);
}

.title-hero-xl__sub {
  display: block;
  text-shadow: none;
  filter: none;
  background: linear-gradient(135deg, #e9d5ff 0%, #c4b5fd 35%, #f0abfc 65%, #fda4af 100%);
  background-size: 200% 200%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: idx-title-sub-flow 12s ease-in-out infinite alternate;
}

/* tagline 居中 */
.idx-hero__tagline--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* 价格胶囊条 */
.idx-hero__price-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.idx-price-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #ddd6fe;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.28);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.idx-price-pill > i {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: #f0abfc;
  opacity: 0.82;
}

.idx-price-pill strong {
  font-weight: 900;
  color: #fdf4ff;
  text-shadow: 0 0 18px rgba(232, 121, 249, 0.4);
}

.idx-price-pill--accent {
  background: rgba(139, 92, 246, 0.14);
  border-color: rgba(232, 121, 249, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 24px -8px rgba(232, 121, 249, 0.2);
}

/* CTA 居中 */
.idx-hero__cta--center {
  justify-content: center;
}

@media (prefers-reduced-motion: reduce) {
  .title-hero-xl__sub {
    animation: none;
  }
}

/* ============================================================
   Stat Strip 动效 Y + X：电流脉冲 + 霓虹闪烁
   ============================================================ */

/* 清除旧扫光 */
.idx-stat-strip__list::after {
  content: none;
}

/* 清除旧图标扩散环 */
.idx-stat-strip__ico::after {
  content: none;
}

/* 清除旧 spring 弹跳，恢复简洁 hover */
.idx-stat-strip__item:hover .idx-stat-strip__ico {
  animation: none;
  transform: translateY(-3px);
}

/* —— Y：电流脉冲（Circuit Pulse）—— */

/* items 改为 visible，让电流光束能覆盖右侧边框
   list 的 overflow:hidden 负责在面板上下边界截断 */
.idx-stat-strip__item {
  overflow: visible;
}

/* 每条分隔线（除末格）叠一个垂直光束 */
.idx-stat-strip__item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 28%,
    rgba(255, 255, 255, 0.08) 36%,
    var(--stat-ico-color, #a5b4fc) 43%,
    rgba(255, 255, 255, 0.95) 50%,
    var(--stat-ico-color, #a5b4fc) 57%,
    rgba(255, 255, 255, 0.08) 64%,
    transparent 72%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  animation: circuit-spark 4.5s linear infinite;
}

/* 3 条分隔线接力，依次间隔 1.5s */
.idx-stat-strip__item:nth-child(1)::after { animation-delay: 0s;   }
.idx-stat-strip__item:nth-child(2)::after { animation-delay: 1.5s; }
.idx-stat-strip__item:nth-child(3)::after { animation-delay: 3.0s; }

/* translateY 以自身高度（= 面板高度）为基准：
   -100% → 光束中心在面板上方 50%（刚出顶部）
   +100% → 光束中心在面板下方 50%（刚出底部） */
@keyframes circuit-spark {
  0%   { transform: translateY(-100%); opacity: 0; }
  5%   { opacity: 1; }
  88%  { opacity: 1; }
  100% { transform: translateY(100%);  opacity: 0; }
}

/* 移动端竖向布局时隐藏电流（分隔线方向改变） */
@media (max-width: 900px) {
  .idx-stat-strip__item:not(:last-child)::after {
    display: none;
  }
}

/* —— X：霓虹闪烁（Neon Flicker）—— */

/* 每格独立节奏，4 格不同时闪 */
.idx-stat-strip__item:nth-child(1) .idx-stat-strip__value {
  animation: neon-flicker 7s  ease-in-out infinite;
  animation-delay: 1.4s;
}
.idx-stat-strip__item:nth-child(2) .idx-stat-strip__value {
  animation: neon-flicker 10s ease-in-out infinite;
  animation-delay: 4.2s;
}
.idx-stat-strip__item:nth-child(3) .idx-stat-strip__value {
  animation: neon-flicker 8s  ease-in-out infinite;
  animation-delay: 2.8s;
}
.idx-stat-strip__item:nth-child(4) .idx-stat-strip__value {
  animation: neon-flicker 11s ease-in-out infinite;
  animation-delay: 0s;
}

/* 双脉冲：强 → 弱 → 稳，模拟霓虹管电压波动 */
@keyframes neon-flicker {
  0%, 84%, 100% {
    filter: brightness(1);
  }
  86% {
    filter: brightness(2.4) drop-shadow(0 0 16px var(--stat-ico-color, #a5b4fc));
  }
  87% {
    filter: brightness(1.15);
  }
  89% {
    filter: brightness(2.0) drop-shadow(0 0 10px var(--stat-ico-color, #a5b4fc));
  }
  91% {
    filter: brightness(1);
  }
}

/* 无障碍：减少动效偏好时关闭两者 */
@media (prefers-reduced-motion: reduce) {
  .idx-stat-strip__item:not(:last-child)::after {
    display: none;
  }

  .idx-stat-strip__item:nth-child(n) .idx-stat-strip__value {
    animation: none;
  }
}

/* ============================================================
   Hero 动效 E：动态渐变网格（Mesh Gradient）
   5 个模糊色块独立漂移，叠加形成流动有机色场
   ============================================================ */

/* 容器：绝对定位覆盖整个 Hero，超出边界由 .idx-hero 的 overflow:hidden 截断 */
.idx-hero__mesh {
  position: absolute;
  inset: -40% -20%;
  pointer-events: none;
  z-index: 0;
  filter: blur(72px) saturate(1.25);
  opacity: 0.35;
}

.idx-hero__blob {
  position: absolute;
  border-radius: 50%;
}

/* 靛蓝 · 左上，慢速 */
.idx-hero__blob--1 {
  width: 55%;
  height: 65%;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.92) 0%, transparent 65%);
  top: 5%;
  left: 5%;
  animation: mesh-a 20s ease-in-out infinite alternate;
}

/* 紫粉 · 右上，中速 */
.idx-hero__blob--2 {
  width: 48%;
  height: 60%;
  background: radial-gradient(circle at 50% 50%, rgba(232, 121, 249, 0.88) 0%, transparent 65%);
  top: 0%;
  right: 8%;
  animation: mesh-b 26s ease-in-out infinite alternate;
}

/* 深紫 · 正中，最慢（主色调稳定锚点） */
.idx-hero__blob--3 {
  width: 52%;
  height: 70%;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.82) 0%, transparent 65%);
  top: 20%;
  left: 24%;
  animation: mesh-c 32s ease-in-out infinite alternate;
}

/* 玫瑰粉 · 右下 */
.idx-hero__blob--4 {
  width: 42%;
  height: 55%;
  background: radial-gradient(circle at 50% 50%, rgba(244, 114, 182, 0.72) 0%, transparent 65%);
  bottom: 5%;
  right: 10%;
  animation: mesh-d 22s ease-in-out infinite alternate;
}

/* 蓝紫 · 左下，稍快 */
.idx-hero__blob--5 {
  width: 38%;
  height: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(129, 140, 248, 0.78) 0%, transparent 65%);
  bottom: 8%;
  left: 12%;
  animation: mesh-e 18s ease-in-out infinite alternate;
}

/* 各 blob 漂移路径互不相同，速度也错开，避免规律感 */
@keyframes mesh-a {
  0%   { transform: translate(0%,   0%)   scale(1);    }
  50%  { transform: translate(9%,   14%)  scale(1.07); }
  100% { transform: translate(4%,   22%)  scale(0.94); }
}

@keyframes mesh-b {
  0%   { transform: translate(0%,   0%)   scale(1);    }
  50%  { transform: translate(-13%, 10%)  scale(1.09); }
  100% { transform: translate(-7%,  18%)  scale(0.93); }
}

@keyframes mesh-c {
  0%   { transform: translate(0%,   0%)   scale(1);    }
  33%  { transform: translate(-8%,  -10%) scale(0.92); }
  66%  { transform: translate(10%,  -6%)  scale(1.07); }
  100% { transform: translate(5%,   8%)   scale(0.97); }
}

@keyframes mesh-d {
  0%   { transform: translate(0%,   0%)   scale(1);    }
  50%  { transform: translate(-16%, -12%) scale(1.11); }
  100% { transform: translate(-8%,  -20%) scale(0.95); }
}

@keyframes mesh-e {
  0%   { transform: translate(0%,   0%)   scale(1);    }
  50%  { transform: translate(12%,  -10%) scale(0.92); }
  100% { transform: translate(18%,  -18%) scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .idx-hero__blob {
    animation: none;
  }
}