/* ============ 首页样式 ============ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--c-dark);
  color: #fff;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 80px;
}
#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}
.hero-glow.g1 {
  width: 520px;
  height: 520px;
  background: rgba(255, 106, 0, 0.32);
  top: -120px;
  right: -80px;
  animation: floatSlow 9s ease-in-out infinite;
}
.hero-glow.g2 {
  width: 420px;
  height: 420px;
  background: rgba(47, 107, 255, 0.35);
  bottom: -100px;
  left: -100px;
  animation: floatSlow 11s ease-in-out infinite reverse;
}
.hero-glow.g3 {
  width: 260px;
  height: 260px;
  background: rgba(0, 212, 255, 0.25);
  top: 40%;
  left: 42%;
  animation: floatSlow 13s ease-in-out infinite;
}
@keyframes floatSlow {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -36px) scale(1.12);
  }
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  font-size: 13.5px;
  letter-spacing: 1px;
  color: #cdd8f5;
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #30d158;
  box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.7);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(48, 209, 88, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(48, 209, 88, 0);
  }
}

.hero-title {
  font-size: clamp(34px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 1px;
}
.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-title .line > span {
  display: inline-block;
  transform: translateY(110%);
  animation: lineUp 0.9s cubic-bezier(0.2, 0.75, 0.25, 1) forwards;
}
.hero-title .line:nth-child(2) > span {
  animation-delay: 0.14s;
}
.hero-title .line:nth-child(3) > span {
  animation-delay: 0.28s;
}
@keyframes lineUp {
  to {
    transform: translateY(0);
  }
}
.hero-title em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero-title .tech {
  background: linear-gradient(120deg, #4d8bff, #00d4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin-top: 24px;
  color: #aab6d6;
  font-size: 16.5px;
  max-width: 560px;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-brands {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  opacity: 0;
  animation: fadeUp 0.8s 0.65s forwards;
}
.hero-brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.3s,
    background 0.3s,
    border-color 0.3s;
  cursor: default;
}
.hero-brand-chip:hover {
  transform: translateY(-3px);
  background: rgba(255, 106, 0, 0.16);
  border-color: rgba(255, 106, 0, 0.5);
}
.hero-brand-chip img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}
.hero-brand-chip .chip-txt {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: 12px;
  background: var(--grad-tech);
  color: #fff;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 38px;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
  flex-wrap: wrap;
}

/* Hero 右侧：环绕轨道图 */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  opacity: 0;
  animation: fadeUp 1s 0.6s forwards;
}
.orbit-wrap {
  position: relative;
  width: min(420px, 80vw);
  aspect-ratio: 1;
}
.orbit-core {
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 30%,
    rgba(255, 154, 61, 0.95),
    rgba(255, 106, 0, 0.85) 45%,
    rgba(214, 80, 0, 0.9)
  );
  box-shadow:
    0 0 80px rgba(255, 106, 0, 0.55),
    inset 0 0 40px rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  animation: coreBreath 4s ease-in-out infinite;
}
.orbit-core img {
  width: 62%;
  border-radius: 22%;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.3));
}
@keyframes coreBreath {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.orbit-ring {
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  animation: spin 26s linear infinite;
}
.orbit-ring.r2 {
  inset: -4%;
  animation-duration: 40s;
  animation-direction: reverse;
  border-color: rgba(0, 212, 255, 0.25);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 公转容器：只负责旋转整个节点组 */
.orbit-node {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  transform-origin: center center;
}
.orbit-node‑inner {
  animation: spin 26s linear infinite;
}
.orbit-node‑outer {
  animation: spin 40s linear infinite reverse;
}

/* 子节点：三角函数计算位置，**自身不旋转**，图片永远正向 */
.orbit-node .node-item {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  /* 极坐标转笛卡尔，固定角度，不会跟着父旋转而歪掉 */
  transform: translate(-50%, -50%) rotate(var(--angle))
    translateY(var(--orbit‑r)) rotate(calc(-1 * var(--angle)));
}

.node-item img {
  width: 54px;
  height: 54px;
  max-width: none;
  border-radius: 14px;
  background: #fff;
  padding: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.node-item .node-txt {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--grad-tech);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.node-item span {
  font-size: 12px;
  color: #cdd8f5;
  letter-spacing: 1px;
  white-space: nowrap;
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  letter-spacing: 3px;
}
.hero-scroll .mouse {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  position: relative;
}
.hero-scroll .mouse::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--c-primary-2);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0% {
    opacity: 1;
    top: 7px;
  }
  70% {
    opacity: 0;
    top: 20px;
  }
  100% {
    opacity: 0;
    top: 7px;
  }
}

/* ---------- 数据条 ---------- */
.stats-band {
  position: relative;
  z-index: 3;
  margin-top: -64px;
}
.stats-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(11, 18, 38, 0.18);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat-cell {
  padding: 34px 20px;
  text-align: center;
  position: relative;
  transition: background 0.35s;
}
.stat-cell:hover {
  background: rgba(255, 106, 0, 0.05);
}
.stat-cell + .stat-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24%;
  height: 52%;
  width: 1px;
  background: var(--c-line);
}
.stat-label {
  margin-top: 8px;
  color: var(--c-text-2);
  font-size: 14.5px;
  letter-spacing: 1px;
}

/* ---------- 市场趋势 ---------- */
.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.market-chart {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 34px 30px 26px;
  position: relative;
  overflow: hidden;
}
.market-chart::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255, 106, 0, 0.18);
  border-radius: 50%;
  filter: blur(50px);
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8%;
  height: 240px;
  padding: 0 6%;
}
.chart-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  height: 100%;
  justify-content: flex-end;
}
.chart-bar .bar {
  width: 100%;
  max-width: 90px;
  border-radius: 10px 10px 4px 4px;
  background: linear-gradient(
    180deg,
    rgba(255, 154, 61, 0.9),
    rgba(255, 106, 0, 0.45)
  );
  box-shadow: 0 0 24px rgba(255, 106, 0, 0.25);
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform 1.2s cubic-bezier(0.2, 0.75, 0.25, 1);
  position: relative;
}
.chart-bar .bar.blue {
  background: linear-gradient(
    180deg,
    rgba(77, 139, 255, 0.9),
    rgba(47, 107, 255, 0.4)
  );
  box-shadow: 0 0 24px rgba(47, 107, 255, 0.25);
}
.in .chart-bar .bar,
.chart-bars.in .bar {
  transform: scaleY(1);
}
.chart-bar .bar-v {
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}
.chart-bar .bar-y {
  color: #8d99bb;
  font-size: 12.5px;
}
.chart-note {
  margin-top: 18px;
  text-align: center;
  color: #8d99bb;
  font-size: 12.5px;
}

.market-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.mstat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 26px 24px;
  transition:
    transform 0.35s,
    border-color 0.35s,
    background 0.35s;
}
.mstat:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.45);
  background: rgba(255, 106, 0, 0.07);
}
.mstat .stat-num {
  font-size: clamp(28px, 3vw, 38px);
}
.mstat p {
  color: #aab6d6;
  font-size: 14px;
  margin-top: 6px;
}

/* ---------- 能力三卡 ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cap-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 42px 34px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-line);
  position: relative;
  overflow: hidden;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.4s;
}
.cap-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s;
}
.cap-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}
.cap-card:hover::before {
  transform: scaleX(1);
}
.cap-ic {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 30px;
  background: linear-gradient(
    135deg,
    rgba(255, 106, 0, 0.12),
    rgba(255, 154, 61, 0.06)
  );
  margin-bottom: 24px;
  transition: transform 0.4s;
}
.cap-card:hover .cap-ic {
  transform: rotate(-8deg) scale(1.1);
}
.cap-card h3 {
  font-size: 21px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.cap-card p {
  color: var(--c-text-2);
  font-size: 14.5px;
}
.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.cap-tags span {
  font-size: 12.5px;
  color: var(--c-primary);
  background: rgba(255, 106, 0, 0.08);
  border: 1px solid rgba(255, 106, 0, 0.2);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- 品牌矩阵 ---------- */
.brand-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.brand-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 34px 26px;
  text-align: center;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.4s,
    background 0.4s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.brand-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% -30%;
  height: 70%;
  background: radial-gradient(
    closest-side,
    rgba(255, 106, 0, 0.28),
    transparent
  );
  opacity: 0;
  transition: opacity 0.5s;
}
.brand-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 106, 0, 0.5);
  background: rgba(255, 255, 255, 0.08);
}
.brand-card:hover::after {
  opacity: 1;
}
.brand-card img,
.brand-card .bc-logo {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  margin: 0 auto 18px;
  background: #fff;
  padding: 6px;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.brand-card .bc-logo {
  display: grid;
  place-items: center;
  background: var(--grad-tech);
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  padding: 0;
}
.brand-card:hover img,
.brand-card:hover .bc-logo {
  transform: scale(1.12) rotate(-4deg);
}
.brand-card h3 {
  color: #fff;
  font-size: 19px;
  letter-spacing: 2px;
}
.brand-card .bc-sub {
  color: var(--c-primary-2);
  font-size: 16px;
  letter-spacing: 1.5px;
  margin: 4px 0 10px;
}
.brand-card p {
  color: #9aa8cc;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 布局模式（5公里） ---------- */
.model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.radius-visual {
  position: relative;
  display: grid;
  place-items: center;
  padding: 20px;
}
.radius-circle {
  position: relative;
  width: min(380px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 106, 0, 0.5);
  display: grid;
  place-items: center;
  animation: spin 60s linear infinite;
}
.radius-circle::before,
.radius-circle::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(255, 106, 0, 0.3);
}
.radius-circle::before {
  inset: 18%;
}
.radius-circle::after {
  inset: 36%;
  border-color: rgba(255, 106, 0, 0.55);
}
.radius-center {
  position: absolute;
  inset: 41%;
  background: var(--grad-main);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  text-align: center;
  line-height: 1.4;
  box-shadow: 0 0 50px rgba(255, 106, 0, 0.5);
  animation:
    spin 60s linear infinite reverse,
    coreBreath 4s ease-in-out infinite;
}
.radius-tag {
  position: absolute;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-text);
  box-shadow: 0 8px 24px rgba(18, 34, 74, 0.12);
  animation: spin 60s linear infinite reverse;
  white-space: nowrap;
}
.radius-tag.t1 {
  top: -6%;
  left: 50%;
  transform: translateX(-50%);
}
.radius-tag.t2 {
  bottom: 8%;
  right: -6%;
}
.radius-tag.t3 {
  bottom: 8%;
  left: -6%;
}

.model-list li {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}
.model-list li:last-child {
  border-bottom: none;
}
.model-num {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(255, 106, 0, 0.12),
    rgba(255, 154, 61, 0.05)
  );
  color: var(--c-primary);
  font-weight: 900;
  font-size: 17px;
  display: grid;
  place-items: center;
}
.model-list h4 {
  font-size: 17.5px;
  margin-bottom: 4px;
}
.model-list p {
  color: var(--c-text-2);
  font-size: 14px;
}

/* ---------- 覆盖地图 ---------- */
.coverage-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.map-wrap {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  position: relative;
}
.map-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 8s ease;
}
.map-wrap:hover img {
  transform: scale(1.1);
}
.map-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 18, 38, 0.55));
  pointer-events: none;
}
.region-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.region-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 14px;
  padding: 14px 20px;
  transition:
    transform 0.3s,
    border-color 0.3s,
    background 0.3s;
}
.region-item:hover {
  transform: translateX(8px);
  border-color: rgba(255, 106, 0, 0.45);
  background: rgba(255, 106, 0, 0.07);
}
.region-name {
  flex-shrink: 0;
  width: 88px;
  font-weight: 700;
  color: var(--c-primary-2);
  font-size: 15px;
  letter-spacing: 1px;
}
.region-city {
  color: #c4cfe9;
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* ---------- 愿景价值观 ---------- */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.vision-stat {
  text-align: center;
  padding: 36px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid #ff7207;
  transition:
    transform 0.35s,
    border-color 0.35s;
}
.vision-stat:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.45);
}
.vision-stat p {
  color: #aab6d6;
  font-size: 14px;
  margin-top: 8px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.value-card {
  text-align: center;
  padding: 28px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  transition:
    transform 0.35s,
    background 0.35s,
    border-color 0.35s;
}
.value-card:hover {
  transform: translateY(-8px) scale(1.03);
  background: rgba(255, 106, 0, 0.1);
  border-color: rgba(255, 106, 0, 0.4);
}
.value-card .en {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--c-cyan);
  text-transform: uppercase;
}
.value-card .cn {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-top: 8px;
  line-height: 1.5;
}

/* ---------- 合作平台 ---------- */
/* 背景氛围：极淡的网格 + 弥散光球 */
.eco-bg {
  position: absolute;
  inset: -10%;
  background-image:
    radial-gradient(
      circle at 20% 30%,
      rgba(123, 92, 255, 0.05) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(0, 212, 255, 0.04) 0%,
      transparent 40%
    ),
    linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size:
    100% 100%,
    100% 100%,
    80px 80px,
    80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    black 30%,
    transparent 80%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    black 30%,
    transparent 80%
  );
}

/* 网格容器 */
.platform-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

@media (max-width: 1024px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 48px;
  }
}

/* ===== 品牌卡片 ===== */
.platform-card {
  --brand: #ffffff;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  animation: cardEnter 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition:
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.5s ease,
    border-color 0.4s ease;
  cursor: default;
}

/* 依次入场 */
.platform-card:nth-child(1) {
  animation-delay: 0.06s;
}
.platform-card:nth-child(2) {
  animation-delay: 0.12s;
}
.platform-card:nth-child(3) {
  animation-delay: 0.18s;
}
.platform-card:nth-child(4) {
  animation-delay: 0.24s;
}
.platform-card:nth-child(5) {
  animation-delay: 0.3s;
}
.platform-card:nth-child(6) {
  animation-delay: 0.36s;
}

@keyframes cardEnter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 内容安全区 */
.card-content {
  padding: 32px 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

/* 顶部弥散光晕（品牌色） */
.card-aura {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px 180px at 50% -10%,
    var(--brand),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Hover：抬升 + 光晕觉醒 + 边框显色 */
.platform-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--brand), transparent 70%);
  box-shadow:
    0 32px 64px -16px rgba(0, 0, 0, 0.5),
    0 0 0 1px color-mix(in srgb, var(--brand), transparent 85%),
    0 0 100px -40px color-mix(in srgb, var(--brand), transparent 45%);
}

.platform-card:hover .card-aura {
  opacity: 0.14;
}

/* ===== 头部：Logo + 标题 ===== */
.pf-header {
  display: flex;
  align-items: center;
  gap: 18px;
}

/* 
   品牌标识容器（核心替换）
   替代原来 14px 的小圆点，现在是一个 60px 的大圆角方块，
   你可以直接往 <img> 里放 Logo，会自动居中显示。
*/
.pf-logo {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--brand), transparent 85%),
    color-mix(in srgb, var(--brand), transparent 92%)
  );
  border: 1px solid color-mix(in srgb, var(--brand), transparent 75%);
  box-shadow:
    0 8px 24px -8px color-mix(in srgb, var(--brand), transparent 60%),
    inset 0 1px 1px rgba(255, 255, 255, 0.08);
  transition:
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.5s ease;
}

.platform-card:hover .pf-logo {
  transform: scale(1.08) rotate(-2deg);
  box-shadow:
    0 12px 32px -6px color-mix(in srgb, var(--brand), transparent 50%),
    inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

.pf-logo img {
  display: none;
}

.pf-fallback {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 1px;
}

/* 标题组 */
.pf-title-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pf-name {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
  margin: 0;
  line-height: 1.2;
}

.pf-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: var(--badge-bg, rgba(255, 255, 255, 0.06));
  color: var(--badge-color, rgba(255, 255, 255, 0.6));
  border: 1px solid var(--badge-bg, rgba(255, 255, 255, 0.06));
  backdrop-filter: blur(4px);
}

/* ===== 简介文字 ===== */
.pf-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.4s ease;
}

.platform-card:hover .pf-desc {
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 底部品牌光条 ===== */
.card-footer {
  position: relative;
  height: 3px;
  margin-top: auto;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.footer-glow {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0.25;
  filter: blur(2px);
  transition:
    width 0.6s ease,
    opacity 0.6s ease;
}

.platform-card:hover .footer-glow {
  width: 100%;
  opacity: 0.7;
  filter: blur(1px);
}

/* ---------- 首页 CTA ---------- */
.home-cta {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: linear-gradient(120deg, #141f45, #0b1226);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 72px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.home-cta::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -60px;
  width: 340px;
  height: 340px;
  background: radial-gradient(
    closest-side,
    rgba(255, 106, 0, 0.35),
    transparent
  );
  filter: blur(10px);
}
.home-cta h2 {
  color: #fff;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.4;
}
.home-cta p {
  color: #aab6d6;
  margin-top: 10px;
  max-width: 520px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-brands,
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .orbit-wrap {
    width: min(320px, 74vw);
  }
  .stats-card {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-cell:nth-child(3)::before {
    display: none;
  }
  .market-grid,
  .model-grid,
  .coverage-grid {
    grid-template-columns: 1fr;
  }
  .cap-grid {
    grid-template-columns: 1fr;
  }
  .brand-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .vision-grid {
    grid-template-columns: 1fr;
  }
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .home-cta {
    padding: 48px 30px;
    text-align: center;
    justify-content: center;
  }
}
@media (max-width: 560px) {
  .brand-matrix {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .brand-card {
    padding: 24px 14px;
  }
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .market-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}
