/* ============================================================
   电竞RGB七彩跑马动效样式
   仅作用于 .gaming-* 命名空间，不污染全局
   依赖 site.css 的 CSS 变量（--bg-900 / --bg-800 / --bg-700 / --ease 等）
   必须在 site.css 之后引入
   ============================================================ */

/* ---------- 布局层：确保内容在背景线条之上 ---------- */
main { position: relative; z-index: 1; }
.site-footer { position: relative; z-index: 1; }

/* ---------- 背景SVG流光线条（全局fixed装饰） ---------- */
.gaming-bg-lines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.2;
  width: 100%;
  height: 100%;
}
.gaming-line {
  fill: none;
  stroke-width: 1;
  stroke-dasharray: 600;
  animation: gaming-lineflow 9s linear infinite;
}
.gaming-line-1 { stroke: #00ffff; }
.gaming-line-2 { stroke: #ff33aa; animation-delay: 3s; }
.gaming-line-3 { stroke: #33ff66; animation-delay: 6s; }
@keyframes gaming-lineflow {
  to { stroke-dashoffset: -1200; }
}

/* ---------- 异形切角跑马边框容器（Hero产品展示区用） ---------- */
.gaming-marquee {
  position: relative;
  overflow: hidden;
  padding: 2.5rem;
  clip-path: polygon(0 16px,16px 0,calc(100% - 16px) 0,100% 16px,100% calc(100% - 16px),calc(100% - 16px) 100%,16px 100%,0 calc(100% - 16px));
}
/* 跑马光源：圆锥渐变七彩旋转 */
.gaming-marquee::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(#ff2255,#ffaa00,#33ff66,#00ffff,#3366ff,#ff33aa,#ff2255);
  animation: gaming-spin 4s linear infinite;
  filter: blur(14px);
  z-index: 0;
}
/* 内部遮罩：盖住中间，只留3px发光描边 */
.gaming-marquee::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--bg-900);
  clip-path: polygon(0 16px,16px 0,calc(100% - 16px) 0,100% 16px,100% calc(100% - 16px),calc(100% - 16px) 100%,16px 100%,0 calc(100% - 16px));
  z-index: 1;
}
.gaming-marquee > * {
  position: relative;
  z-index: 2;
}
@keyframes gaming-spin {
  to { transform: rotate(360deg); }
}

/* ---------- 产品图片RGB光效叠加 ---------- */
.gaming-product {
  position: relative;
  overflow: hidden;
}
.gaming-product img {
  width: 100%;
  display: block;
}
/* 七彩渐变光层，screen混合模式模拟RGB灯效 */
.gaming-product-light {
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg,#f00,#ff0,#0f0,#0ff,#00f,#f0f);
  mix-blend-mode: screen;
  opacity: 0.32;
  animation: gaming-hue 3s ease-in-out infinite alternate;
  pointer-events: none;
}
.gaming-product:hover .gaming-product-light {
  opacity: 0.5;
}
@keyframes gaming-hue {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ---------- Hero左右网格布局 ---------- */
.gaming-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.gaming-hero-text .hero-stats {
  margin-top: 2rem;
}
.gaming-product-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.gaming-product-row .gaming-product {
  flex: 1;
  min-width: 100px;
  max-width: 180px;
}

/* ---------- 文字霓虹效果（仅Hero主标题） ---------- */
.gaming-title {
  text-shadow: 0 0 12px rgba(0,255,255,0.6), 0 0 24px rgba(255,51,170,0.3);
}

/* ---------- 电竞产品卡片（精选产品区用） ---------- */
.gaming-card {
  border-radius: 0 !important;
  clip-path: polygon(0 10px,10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px));
  position: relative;
  overflow: hidden;
}
/* 卡片小型跑马光，比Hero慢且弱 */
.gaming-card::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(#ff2255,#ffaa00,#33ff66,#00ffff,#3366ff,#ff33aa,#ff2255);
  animation: gaming-spin 6s linear infinite;
  filter: blur(8px);
  z-index: 0;
  opacity: 0.5;
}
.gaming-card::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--bg-800);
  clip-path: polygon(0 10px,10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px));
  z-index: 1;
  transition: background 0.3s var(--ease);
}
.gaming-card > * {
  position: relative;
  z-index: 2;
}
.gaming-card:hover::before {
  filter: blur(12px);
  opacity: 0.85;
}
.gaming-card:hover::after {
  background: var(--bg-700);
}
/* 卡片内产品封面取消圆角，跟随切角 */
.gaming-card .cover {
  border-radius: 0 !important;
}

/* ---------- 响应式：平板端Hero单列 ---------- */
@media (max-width: 860px) {
  .gaming-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ---------- 移动端降级：减弱发光，关闭卡片跑马 ---------- */
@media (max-width: 768px) {
  .gaming-marquee {
    padding: 1.5rem;
  }
  .gaming-marquee::before {
    filter: blur(6px);
  }
  .gaming-product-light {
    opacity: 0.22;
  }
  .gaming-bg-lines {
    opacity: 0.1;
  }
  .gaming-card::before {
    display: none; /* 移动端关闭卡片跑马光，减少性能消耗 */
  }
  .gaming-card::after {
    inset: 1px;
  }
  .gaming-product-row .gaming-product {
    max-width: 120px;
  }
}

/* ---------- 无障碍：尊重系统减少动效设置 ---------- */
@media (prefers-reduced-motion: reduce) {
  .gaming-marquee::before,
  .gaming-product-light,
  .gaming-line,
  .gaming-card::before {
    animation: none !important;
  }
}

/* ============================================================
   Hero 效果图层：素材层叠 + 动态效果
   层叠结构（从下到上）：
     1. .hero-bg-layer       透明背景图（底部七彩发光脉动）
     2. .hero-lines-layer    透明线条（RGB流动 hue-rotate）
     3. .hero-products-layer 耳机键盘鼠标（微动浮动）
     4. .container            文字内容（霓虹发光）
     5. .hero-cat-bar         底部分类按钮
   ============================================================ */

.hero.hero-gaming {
  position: relative;
  min-height: 720px;
  padding: 0;
  overflow: hidden;
  background: #050510;
  /* containment：将 hero 内 20+ 个无限动画的重排/重绘隔离，不外溢影响页面总高度 */
  contain: layout style paint;
}

/* 层1：背景图（七彩发光快速流动 + 亮度脉动） */
.hero-gaming .hero-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  animation: hero-glow-pulse 4s ease-in-out infinite alternate;
}
.hero-gaming .hero-bg-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  animation: hero-rgb-fast 3s linear infinite;
}
/* 底部七彩发光快速流动带（横向流动+模糊发光） */
.hero-gaming .hero-bg-layer::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(90deg,
    rgba(255,0,80,0.7),
    rgba(255,170,0,0.7),
    rgba(50,255,100,0.7),
    rgba(0,255,255,0.7),
    rgba(50,100,255,0.7),
    rgba(255,50,170,0.7),
    rgba(255,0,80,0.7));
  background-size: 200% 100%;
  animation: hero-bottom-flow 2s linear infinite;
  mix-blend-mode: screen;
  filter: blur(24px);
  pointer-events: none;
}
@keyframes hero-glow-pulse {
  0%   { filter: brightness(0.9); }
  100% { filter: brightness(1.15); }
}
@keyframes hero-rgb-fast {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}
@keyframes hero-bottom-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* 层2：透明线条（快速发光流动：颜色流动+亮度脉动+霓虹发光） */
.hero-gaming .hero-lines-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-gaming .hero-lines-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  animation: lines-fast-glow 2s linear infinite;
}
@keyframes lines-fast-glow {
  0%   { filter: hue-rotate(0deg) brightness(3.5) contrast(1.4) saturate(2) drop-shadow(0 0 10px rgba(0,255,255,0.9)) drop-shadow(0 0 20px rgba(255,0,255,0.6)); }
  100% { filter: hue-rotate(360deg) brightness(3.5) contrast(1.4) saturate(2) drop-shadow(0 0 10px rgba(0,255,255,0.9)) drop-shadow(0 0 20px rgba(255,0,255,0.6)); }
}

/* 层3：产品（耳机键盘鼠标，微动浮动，无文字版正常比例显示） */
.hero-gaming .hero-products-layer {
  position: absolute;
  right: 3%;
  top: 50%;
  transform: translateY(-50%);
  width: 52%;
  z-index: 2;
  pointer-events: none;
}
.hero-gaming .hero-products-inner {
  animation: hero-float 5s ease-in-out infinite;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.6));
}
.hero-gaming .hero-products-inner img {
  width: 100%;
  height: auto;
  display: block;
}
@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* 层4：文字内容 */
.hero-gaming .container {
  position: relative;
  z-index: 3;
  height: 100%;
  min-height: 720px;
  display: flex;
  align-items: center;
}
.hero-gaming .hero-content {
  max-width: 46%;
  padding-top: 1rem;
  padding-bottom: 7rem;
}
.hero-gaming .hero-content .eyebrow {
  color: #00ffff;
  text-shadow: 0 0 8px rgba(0,255,255,0.6);
}
.hero-gaming .hero-content h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.12;
  color: #fff;
  margin-bottom: 0.8rem;
  text-shadow:
    0 0 12px rgba(0,255,255,0.7),
    0 0 24px rgba(255,0,255,0.5),
    0 0 48px rgba(0,80,255,0.3);
  animation: hero-neon-pulse 3s ease-in-out infinite alternate;
}
@keyframes hero-neon-pulse {
  0% {
    text-shadow:
      0 0 8px rgba(0,255,255,0.5),
      0 0 16px rgba(255,0,255,0.3);
  }
  100% {
    text-shadow:
      0 0 14px rgba(0,255,255,0.9),
      0 0 28px rgba(255,0,255,0.7),
      0 0 48px rgba(0,80,255,0.4);
  }
}
.hero-gaming .hero-content .lead {
  font-size: 1.05rem;
  color: #c8d6f0;
  margin-bottom: 1.2rem;
  text-shadow: 0 0 8px rgba(0,0,0,0.8);
  max-width: 100%;
}

/* 标签条：工厂制造 | 私模定制 | 批量供货 */
.hero-gaming .hero-tags {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0.45rem 1.1rem;
  border: 1px solid rgba(0,255,255,0.35);
  border-radius: 999px;
  background: rgba(0,20,40,0.55);
  margin-bottom: 1.3rem;
  backdrop-filter: blur(4px);
}
.hero-gaming .hero-tags span {
  font-size: 0.82rem;
  color: #a0e8ff;
  font-weight: 500;
}
.hero-gaming .hero-tags span:not(:last-child)::after {
  content: "|";
  margin: 0 0.6rem;
  color: rgba(255,0,255,0.5);
}

/* 按钮 */
.hero-gaming .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.8rem;
}
.hero-gaming .btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  color: #fff;
  border: none;
  box-shadow: 0 0 20px rgba(139,92,246,0.5);
}
.hero-gaming .btn-primary:hover {
  box-shadow: 0 0 30px rgba(236,72,153,0.7);
  background: linear-gradient(135deg, #7c3aed, #db2777);
}
.hero-gaming .btn-ghost {
  border-color: rgba(0,255,255,0.5);
  color: #00ffff;
  background: rgba(0,40,60,0.4);
}
.hero-gaming .btn-ghost:hover {
  border-color: #00ffff;
  background: rgba(0,60,80,0.6);
  box-shadow: 0 0 16px rgba(0,255,255,0.4);
}

/* 数据统计 */
.hero-gaming .hero-stats {
  border-top: 1px solid rgba(0,255,255,0.2);
  padding-top: 1rem;
  margin-top: 0;
}
.hero-gaming .stat .num {
  color: #00ffff;
  text-shadow: 0 0 10px rgba(0,255,255,0.5);
}

/* 层5：底部分类按钮栏 */
.hero-gaming .hero-cat-bar {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 1rem;
  width: 82%;
  max-width: 780px;
  justify-content: center;
}
.hero-gaming .hero-cat-btn {
  flex: 1;
  max-width: 200px;
  padding: 0.85rem 0.8rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  text-decoration: none;
  background: rgba(20,10,50,0.55);
  border: 1px solid rgba(139,92,246,0.5);
  clip-path: polygon(12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
  transition: all 0.3s var(--ease);
  backdrop-filter: blur(4px);
}
.hero-gaming .hero-cat-btn:hover {
  background: rgba(60,20,100,0.8);
  box-shadow: 0 0 20px rgba(139,92,246,0.5);
  transform: translateY(-2px);
  text-decoration: none;
}
.hero-gaming .hero-cat-btn:nth-child(1):hover { border-color: rgba(168,85,247,0.9); box-shadow: 0 0 20px rgba(168,85,247,0.6); }
.hero-gaming .hero-cat-btn:nth-child(2):hover { border-color: rgba(236,72,153,0.9); box-shadow: 0 0 20px rgba(236,72,153,0.6); }
.hero-gaming .hero-cat-btn:nth-child(3):hover { border-color: rgba(34,211,238,0.9); box-shadow: 0 0 20px rgba(34,211,238,0.6); }
.hero-gaming .hero-cat-btn:nth-child(4):hover { border-color: rgba(59,130,246,0.9); box-shadow: 0 0 20px rgba(59,130,246,0.6); }

/* 响应式：平板 */
@media (max-width: 980px) {
  .hero-gaming .hero-products-layer {
    width: 48%;
    right: 1%;
    opacity: 0.7;
  }
  .hero-gaming .hero-content {
    max-width: 48%;
  }
}

/* 响应式：移动端 */
@media (max-width: 768px) {
  .hero.hero-gaming {
    min-height: 560px;
  }
  .hero-gaming .container {
    min-height: 560px;
  }
  .hero-gaming .hero-products-layer {
    display: none;
  }
  .hero-gaming .hero-content {
    max-width: 100%;
    padding-bottom: 6.5rem;
  }
  .hero-gaming .hero-cat-bar {
    gap: 0.4rem;
    bottom: 0.9rem;
  }
  .hero-gaming .hero-cat-btn {
    font-size: 0.75rem;
    padding: 0.65rem 0.4rem;
  }
  .hero-gaming .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-gaming .hero-tags span {
    font-size: 0.72rem;
  }
}

/* Hero 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .hero-gaming .hero-bg-layer,
  .hero-gaming .hero-bg-layer img,
  .hero-gaming .hero-bg-layer::after,
  .hero-gaming .hero-lines-layer img,
  .hero-gaming .hero-products-inner,
  .hero-gaming .hero-content h1 {
    animation: none !important;
  }
}

/* ---------- RTL 阿拉伯语镜像适配 ---------- */
[dir="rtl"] .hero-gaming .hero-bg-layer img {
  transform: scaleX(-1);
}
[dir="rtl"] .hero-gaming .hero-lines-layer img {
  transform: scaleX(-1);
}
[dir="rtl"] .hero-gaming .hero-products-layer {
  right: auto;
  left: 3%;
}
[dir="rtl"] .hero-gaming .hero-content {
  margin-left: auto;
  margin-right: 0;
  text-align: right;
}
[dir="rtl"] .hero-gaming .hero-content .lead {
  margin-left: 0;
  margin-right: auto;
}
[dir="rtl"] .hero-gaming .hero-actions {
  justify-content: flex-start;
}
[dir="rtl"] .hero-gaming .hero-stats {
  direction: rtl;
}
@media (max-width: 980px) {
  [dir="rtl"] .hero-gaming .hero-products-layer {
    left: 1%;
  }
}

/* ---------- 首页顶部公告栏 ---------- */
.announcement-bar {
  position: relative;
  background: linear-gradient(90deg, #0a0018, #180030, #0a0018);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, #ff0040, #ffaa00, #33ff66, #00ffff, #3366ff, #ff33aa, #ff0040) 1;
  padding: 0.55rem 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  overflow: hidden;
}
/* 背景七彩光晕流动 */
.announcement-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(255,0,64,0.18),
    rgba(255,170,0,0.18),
    rgba(51,255,102,0.18),
    rgba(0,255,255,0.18),
    rgba(51,102,255,0.18),
    rgba(255,51,170,0.18),
    rgba(255,0,64,0.18)
  );
  background-size: 200% 100%;
  animation: ann-bg-flow 6s linear infinite;
  pointer-events: none;
}
@keyframes ann-bg-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
/* 七彩扫光 */
.announcement-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  animation: ann-shine 3s linear infinite;
  pointer-events: none;
}
@keyframes ann-shine {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.announcement-text {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  background: linear-gradient(90deg, #ffaa00, #ff0040, #ff33aa, #00ffff, #3366ff, #ffaa00);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: ann-text-flow 5s linear infinite;
  letter-spacing: 0.06em;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 6px rgba(255,0,100,0.4));
}
@keyframes ann-text-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.announcement-close {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,51,170,0.5);
  color: #ff33aa;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  z-index: 2;
}
.announcement-close:hover {
  background: rgba(255,51,170,0.15);
  border-color: #ff33aa;
  box-shadow: 0 0 12px rgba(255,51,170,0.6);
}
@media (max-width: 768px) {
  .announcement-bar {
    padding: 0.5rem 2.5rem;
  }
  .announcement-text {
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    white-space: normal;
    line-height: 1.4;
  }
}

/* ---------- 品牌LOGO图片 ---------- */
.brand-logo-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}
/* Logo七彩渐变：mask遮罩方案，渐变只显示在文字区域，底色完全透明 */
.brand-logo-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #ffaa00, #ff0040, #ff33aa, #00ffff, #3366ff, #ffaa00);
  background-size: 200% 100%;
  animation: logo-gradient-flow 4s linear infinite;
  -webkit-mask: url(../images/hero/logo.png) center/contain no-repeat;
  mask: url(../images/hero/logo.png) center/contain no-repeat;
  pointer-events: none;
}
@keyframes logo-gradient-flow {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}
.site-footer .brand-logo {
  height: 52px;
}
/* 导航栏内边距：拉开logo与底部边框线条的距离 */
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.7rem;
  padding-bottom: 1rem;
}
@media (max-width: 768px) {
  .brand-logo {
    height: 32px;
  }
  .site-footer .brand-logo {
    height: 38px;
  }
  .site-header .container {
    padding-top: 0.5rem;
    padding-bottom: 0.7rem;
  }
}

/* ---------- 页脚社媒图标 ---------- */
.footer-grid {
  align-items: stretch !important;
}
.footer-grid > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* brand列内容水平居中 */
.footer-grid > div:first-child {
  align-items: center;
  text-align: center;
}
.footer-social {
  display: flex;
  gap: 0.55rem;
  margin-top: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.social-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #a78bfa;
  text-decoration: none;
  transition: all 0.3s var(--ease);
  position: relative;
}
.social-icon svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
  display: block;
  transition: all 0.3s var(--ease);
  filter: drop-shadow(0 0 2px currentColor);
}
.social-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.social-icon:hover {
  transform: translateY(-3px) scale(1.15);
}
.social-icon:hover svg {
  filter: drop-shadow(0 0 6px currentColor) drop-shadow(0 0 12px currentColor);
}
.social-icon:hover::after {
  opacity: 1;
  animation: social-glow-pulse 1.5s ease-in-out infinite;
}
@keyframes social-glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 0; }
}
/* 各平台品牌色 */
.social-icon:nth-child(1) { color: #07c160; }
.social-icon:nth-child(1):hover { color: #07c160; }
.social-icon:nth-child(1):hover::after { background: radial-gradient(circle, rgba(7,193,96,0.4) 0%, transparent 70%); }
.social-icon:nth-child(2) { color: #25f4ee; }
.social-icon:nth-child(2):hover { color: #fe2c55; }
.social-icon:nth-child(2):hover::after { background: radial-gradient(circle, rgba(254,44,85,0.4) 0%, transparent 70%); }
.social-icon:nth-child(3) { color: #ff2442; }
.social-icon:nth-child(3):hover { color: #ff2442; }
.social-icon:nth-child(3):hover::after { background: radial-gradient(circle, rgba(255,36,66,0.4) 0%, transparent 70%); }
.social-icon:nth-child(4) { color: #1877f2; }
.social-icon:nth-child(4):hover { color: #1877f2; }
.social-icon:nth-child(4):hover::after { background: radial-gradient(circle, rgba(24,119,242,0.4) 0%, transparent 70%); }
.social-icon:nth-child(5) { color: #e1306c; }
.social-icon:nth-child(5):hover { color: #833ab4; }
.social-icon:nth-child(5):hover::after { background: radial-gradient(circle, rgba(131,58,180,0.4) 0%, transparent 70%); }
.social-icon:nth-child(6) { color: #ff0000; }
.social-icon:nth-child(6):hover { color: #ff0000; }
.social-icon:nth-child(6):hover::after { background: radial-gradient(circle, rgba(255,0,0,0.4) 0%, transparent 70%); }
.social-icon:nth-child(7) { color: #25f4ee; }
.social-icon:nth-child(7):hover { color: #fe2c55; }
.social-icon:nth-child(7):hover::after { background: radial-gradient(circle, rgba(254,44,85,0.4) 0%, transparent 70%); }
@media (max-width: 768px) {
  .footer-social {
    gap: 0.45rem;
  }
  .social-icon {
    width: 32px;
    height: 32px;
  }
  .social-icon svg {
    width: 15px;
    height: 15px;
  }
}

/* ============================================================
   科幻OEM模块：立体切面 + 动态边框灯效 + 扫描线动画
   ============================================================ */
.oem-sci-section {
  position: relative;
  background: var(--bg-900);
  border-top: 1px solid rgba(0, 255, 255, 0.08);
  border-bottom: 1px solid rgba(0, 255, 255, 0.08);
  overflow: hidden;
}
/* 背景科技网格 */
.oem-sci-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
.oem-sci-section > .container {
  position: relative;
  z-index: 1;
}

/* ---------- 标题区 ---------- */
.sci-section-head {
  margin-bottom: 2.5rem;
}
.sci-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #00ffff;
  font-weight: 600;
}
.sci-dot {
  width: 8px;
  height: 8px;
  background: #00ffff;
  border-radius: 50%;
  box-shadow: 0 0 8px #00ffff, 0 0 16px rgba(0, 255, 255, 0.5);
  animation: sci-dot-pulse 2s ease-in-out infinite;
}
@keyframes sci-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.sci-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin: 0.5rem 0;
  background: linear-gradient(135deg, #ffffff 0%, #00ffff 50%, #ff33aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.sci-sub {
  font-size: 1.05rem;
  color: var(--text-muted, #999);
  line-height: 1.7;
}

/* ---------- 卡片网格 ---------- */
.sci-card-grid {
  gap: 1.5rem;
}

/* ---------- 科幻卡片主体 ---------- */
.sci-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 2px; /* 边框厚度 */
  /* containment：隔离每张卡片内部动画（扫描线/边框旋转/头像光晕），防止外溢影响页面高度 */
  contain: layout style;
  clip-path: polygon(
    0 18px, 18px 0,
    calc(100% - 18px) 0, 100% 18px,
    100% calc(100% - 18px), calc(100% - 18px) 100%,
    18px 100%, 0 calc(100% - 18px)
  );
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.4s ease;
  cursor: pointer;
}
.sci-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 255, 255, 0.15),
              0 0 40px rgba(255, 51, 170, 0.1);
}

/* 动态流光边框 */
.sci-card-border {
  position: absolute;
  inset: 0;
  background: conic-gradient(
    from 0deg,
    #00ffff 0deg,
    transparent 60deg,
    transparent 120deg,
    #ff33aa 180deg,
    transparent 240deg,
    transparent 300deg,
    #00ffff 360deg
  );
  animation: sci-border-spin 4s linear infinite;
  z-index: 0;
}
.sci-card:hover .sci-card-border {
  animation-duration: 1.5s;
}
@keyframes sci-border-spin {
  to { transform: rotate(360deg); }
}

/* 卡片内部背景（覆盖边框中间，只留2px边） */
.sci-card-inner {
  position: relative;
  z-index: 2;
  background: linear-gradient(145deg, rgba(15, 20, 35, 0.95) 0%, rgba(10, 14, 26, 0.98) 100%);
  padding: 2rem 1.8rem;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  clip-path: polygon(
    0 16px, 16px 0,
    calc(100% - 16px) 0, 100% 16px,
    100% calc(100% - 16px), calc(100% - 16px) 100%,
    16px 100%, 0 calc(100% - 16px)
  );
  overflow: hidden;
}

/* 扫描线动画 */
.sci-card-scan {
  position: absolute;
  inset: 2px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 255, 255, 0.06) 50%,
    transparent 100%
  );
  height: 40%;
  z-index: 1;
  animation: sci-scan 3s ease-in-out infinite;
  pointer-events: none;
  clip-path: polygon(
    0 16px, 16px 0,
    calc(100% - 16px) 0, 100% 16px,
    100% calc(100% - 16px), calc(100% - 16px) 100%,
    16px 100%, 0 calc(100% - 16px)
  );
}
@keyframes sci-scan {
  0% { top: -40%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* 四角装饰线 */
.sci-card-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  z-index: 3;
  pointer-events: none;
}
.sci-card-corner.tl {
  top: 6px; left: 6px;
  border-top: 2px solid #00ffff;
  border-left: 2px solid #00ffff;
}
.sci-card-corner.tr {
  top: 6px; right: 6px;
  border-top: 2px solid #00ffff;
  border-right: 2px solid #00ffff;
}
.sci-card-corner.bl {
  bottom: 6px; left: 6px;
  border-bottom: 2px solid #ff33aa;
  border-left: 2px solid #ff33aa;
}
.sci-card-corner.br {
  bottom: 6px; right: 6px;
  border-bottom: 2px solid #ff33aa;
  border-right: 2px solid #ff33aa;
}

/* ---------- 卡片内容 ---------- */
.sci-ico {
  position: relative;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.08), rgba(255, 51, 170, 0.08));
  border: 1px solid rgba(0, 255, 255, 0.25);
  clip-path: polygon(0 10px, 10px 0, calc(100% - 10px) 0, 100% 10px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px));
  color: #00ffff;
  transition: all 0.4s ease;
}
.sci-card:hover .sci-ico {
  color: #ff33aa;
  border-color: rgba(255, 51, 170, 0.4);
  box-shadow: 0 0 20px rgba(255, 51, 170, 0.2), inset 0 0 15px rgba(255, 51, 170, 0.05);
}
.sci-icon-svg {
  width: 34px;
  height: 34px;
  stroke: currentColor;
  filter: drop-shadow(0 0 4px currentColor);
  transition: all 0.4s ease;
}
.sci-card:hover .sci-icon-svg {
  filter: drop-shadow(0 0 8px currentColor);
  transform: scale(1.08);
}
.sci-ico-glow {
  position: absolute;
  inset: -4px;
  background: radial-gradient(circle, rgba(0, 255, 255, 0.3) 0%, transparent 70%);
  animation: sci-ico-glow 2.5s ease-in-out infinite;
  z-index: -1;
}
@keyframes sci-ico-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}
.sci-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: #fff;
  letter-spacing: 0.02em;
}
.sci-card p {
  font-size: 0.9rem;
  color: var(--text-muted, #888);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.sci-arrow {
  margin-top: 1rem;
  font-size: 1.2rem;
  color: #00ffff;
  opacity: 0.6;
  transition: all 0.3s ease;
  align-self: flex-end;
}
.sci-card:hover .sci-arrow {
  opacity: 1;
  transform: translateX(6px);
  color: #ff33aa;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .sci-card-grid {
    grid-template-columns: 1fr;
  }
  .sci-card-inner {
    min-height: auto;
    padding: 1.5rem;
  }
  .sci-card-scan {
    display: none;
  }
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .sci-card-border,
  .sci-card-scan,
  .sci-dot,
  .sci-ico-glow {
    animation: none !important;
  }
  .sci-card:hover {
    transform: none;
  }
}

/* ============================================================
   产品分类卡片：紧凑版科幻样式
   ============================================================ */
.sci-card-compact .sci-card-inner {
  min-height: 160px;
  padding: 1.5rem 1.3rem;
  align-items: flex-start;
}
.sci-card-compact .sci-ico {
  width: 48px;
  height: 48px;
  margin-bottom: 0.9rem;
}
.sci-card-compact .sci-icon-svg {
  width: 28px;
  height: 28px;
}
.sci-card-compact h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}
.sci-cat-count {
  font-size: 0.82rem;
  color: var(--text-muted, #888);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.sci-count-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #00ffff;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 4px;
  transition: all 0.3s ease;
}
.sci-card-compact:hover .sci-count-num {
  color: #ff33aa;
  background: rgba(255, 51, 170, 0.1);
  border-color: rgba(255, 51, 170, 0.4);
}

/* ============================================================
   产品分类卡片 v2：4列紧凑 + 边框呼吸 + 斜向光扫
   ============================================================ */
.cat-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.cat-grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

/* ---------- 卡片主体 ---------- */
.cat-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1.5px;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.4s ease;
}
.cat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 255, 255, 0.12),
              0 0 30px rgba(255, 51, 170, 0.08);
}

/* 边框呼吸渐变：颜色缓慢流动，非旋转 */
.cat-card-border {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: linear-gradient(
    135deg,
    rgba(0, 255, 255, 0.4) 0%,
    rgba(255, 51, 170, 0.4) 25%,
    rgba(0, 255, 255, 0.2) 50%,
    rgba(255, 51, 170, 0.4) 75%,
    rgba(0, 255, 255, 0.4) 100%
  );
  background-size: 300% 300%;
  animation: cat-border-breathe 6s ease-in-out infinite;
  z-index: 0;
}
@keyframes cat-border-breathe {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.cat-card:hover .cat-card-border {
  animation-duration: 2.5s;
  opacity: 1;
}

/* 斜向光扫：hover时从左上扫到右下，循环 */
.cat-card-sweep {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    transparent 35%,
    rgba(0, 255, 255, 0.08) 48%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(255, 51, 170, 0.08) 52%,
    transparent 65%
  );
  transform: translate(-100%, -100%) rotate(0deg);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.cat-card:hover .cat-card-sweep {
  opacity: 1;
  animation: cat-sweep 1.8s ease-in-out infinite;
}
@keyframes cat-sweep {
  0%   { transform: translate(-60%, -60%); }
  100% { transform: translate(60%, 60%); }
}

/* 四角装饰线 */
.cat-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  z-index: 3;
  pointer-events: none;
  transition: all 0.3s ease;
}
.cat-corner.tl { top: 4px; left: 4px; border-top: 1.5px solid rgba(0,255,255,0.6); border-left: 1.5px solid rgba(0,255,255,0.6); }
.cat-corner.tr { top: 4px; right: 4px; border-top: 1.5px solid rgba(0,255,255,0.6); border-right: 1.5px solid rgba(0,255,255,0.6); }
.cat-corner.bl { bottom: 4px; left: 4px; border-bottom: 1.5px solid rgba(255,51,170,0.6); border-left: 1.5px solid rgba(255,51,170,0.6); }
.cat-corner.br { bottom: 4px; right: 4px; border-bottom: 1.5px solid rgba(255,51,170,0.6); border-right: 1.5px solid rgba(255,51,170,0.6); }
.cat-card:hover .cat-corner {
  width: 20px;
  height: 20px;
}
.cat-card:hover .cat-corner.tl,
.cat-card:hover .cat-corner.tr { border-color: #00ffff; }
.cat-card:hover .cat-corner.bl,
.cat-card:hover .cat-corner.br { border-color: #ff33aa; }

/* ---------- 内部内容区：横向布局 ---------- */
.cat-card-inner {
  position: relative;
  z-index: 2;
  background: linear-gradient(145deg, rgba(14, 19, 32, 0.97) 0%, rgba(9, 13, 24, 0.99) 100%);
  border-radius: 9px;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 72px;
}

/* 图标 */
.cat-ico {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,255,255,0.08), rgba(255,51,170,0.08));
  border: 1px solid rgba(0,255,255,0.2);
  border-radius: 8px;
  color: #00ffff;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.cat-card:hover .cat-ico {
  transform: rotate(360deg) scale(1.1);
  color: #ff33aa;
  border-color: rgba(255,51,170,0.4);
  box-shadow: 0 0 15px rgba(255,51,170,0.2);
}
.cat-icon-svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  filter: drop-shadow(0 0 3px currentColor);
}

/* 文字 */
.cat-text {
  flex: 1;
  min-width: 0;
}
.cat-text h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.2rem 0;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s ease;
}
.cat-card:hover .cat-text h3 {
  color: #00ffff;
}
.cat-count {
  font-size: 0.75rem;
  color: var(--text-muted, #888);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.cat-count b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #00ffff;
  background: rgba(0,255,255,0.1);
  border: 1px solid rgba(0,255,255,0.25);
  border-radius: 3px;
  transition: all 0.3s ease;
}
.cat-card:hover .cat-count b {
  color: #ff33aa;
  background: rgba(255,51,170,0.1);
  border-color: rgba(255,51,170,0.35);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .cat-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  .cat-grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .cat-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cat-grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cat-card-sweep {
    display: none;
  }
}
@media (max-width: 480px) {
  .cat-grid-4 {
    grid-template-columns: 1fr;
  }
  .cat-grid-5 {
    grid-template-columns: 1fr;
  }
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .cat-card-border,
  .cat-card-sweep {
    animation: none !important;
  }
  .cat-card:hover {
    transform: none;
  }
  .cat-card:hover .cat-ico {
    transform: none;
  }
}

/* ============================================================
   首页合作案例 + 买家怎么说：科幻灯效卡片
   ============================================================ */

/* ---------- 合作案例卡片 ---------- */
.home-case-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
}
.home-case-card .sci-card-inner {
  padding: 1.8rem 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.case-client-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #00ffff;
  background: rgba(0, 255, 255, 0.08);
  border: 1px solid rgba(0, 255, 255, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}
.case-client-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,255,255,0.15), transparent);
  animation: tag-sweep 3s ease-in-out infinite;
}
@keyframes tag-sweep {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}
.case-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.75rem 0;
  line-height: 1.4;
  background: linear-gradient(135deg, #fff 0%, #00ffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-summary {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  flex-grow: 1;
}

/* ---------- 买家怎么说卡片 ---------- */
.home-testi-card {
  min-height: 240px;
}
.home-testi-card .sci-card-inner {
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.testi-quote-mark {
  font-size: 4rem;
  font-family: Georgia, serif;
  line-height: 1;
  color: rgba(0, 255, 255, 0.2);
  margin-bottom: -1rem;
  position: relative;
  z-index: 1;
  text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}
.testi-quote {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 1.5rem 0;
  font-style: italic;
  position: relative;
  z-index: 2;
  flex-grow: 1;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 255, 255, 0.1);
}
.testi-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  padding: 2px;
  background: linear-gradient(135deg, #00ffff 0%, #ff33aa 100%);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
  animation: avatar-glow 2.5s ease-in-out infinite;
}
.testi-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
@keyframes avatar-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0,255,255,0.2); }
  50% { box-shadow: 0 0 20px rgba(0,255,255,0.4), 0 0 30px rgba(255,51,170,0.2); }
}
.testi-info {
  display: flex;
  flex-direction: column;
}
.testi-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}
.testi-company {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 0.15rem;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .home-case-card .sci-card-inner {
    padding: 1.3rem 1.1rem;
  }
  .home-testi-card .sci-card-inner {
    padding: 1.5rem 1.3rem;
  }
  .case-title {
    font-size: 1rem;
  }
  .testi-quote {
    font-size: 0.88rem;
  }
}

/* ============================================================
   首页关于我们板块 v2：错落卡片 + SVG图标 + 动画
   ============================================================ */
.about-home-section {
  position: relative;
  overflow: hidden;
}
.about-home-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.about-home-v2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.about-copy-v2 .lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.about-copy-v2 > p:not(.lead) {
  color: rgba(255,255,255,0.55);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

/* 数据统计条 */
.about-stats-v2 {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 1.5rem;
  background: linear-gradient(135deg, rgba(0,255,255,0.06) 0%, rgba(255,51,170,0.04) 100%);
  border: 1px solid rgba(0,255,255,0.15);
  border-radius: 10px;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.about-stats-v2::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,255,255,0.08), transparent);
  animation: stats-sweep 4s ease-in-out infinite;
}
@keyframes stats-sweep {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}
.about-stat-item {
  text-align: center;
  flex: 1;
}
.about-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #00ffff 0%, #ff33aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.about-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  margin-top: 0.2rem;
}
.about-stat-divider {
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, transparent, rgba(0,255,255,0.2), transparent);
}

/* CTA按钮 */
.about-cta-btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.about-cta-btn:hover {
  border-color: rgba(0,255,255,0.5);
  box-shadow: 0 0 20px rgba(0,255,255,0.15);
  transform: translateX(4px);
}

/* 右侧错落卡片 */
.about-cards-v2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.about-card-v2 {
  position: relative;
  padding: 1.5rem 1.3rem;
  background: linear-gradient(145deg, rgba(20,20,40,0.9) 0%, rgba(15,15,30,0.95) 100%);
  border: 1px solid rgba(0,255,255,0.12);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  opacity: 0;
  transform: translateY(20px);
}
.about-card-v2:nth-child(1) { margin-top: 0; }
.about-card-v2:nth-child(2) { margin-top: 2rem; }
.about-card-v2:nth-child(3) { margin-top: -1rem; }
.about-card-v2:nth-child(4) { margin-top: 1rem; }
.about-card-v2:hover {
  transform: translateY(-6px);
  border-color: rgba(0,255,255,0.4);
  box-shadow: 0 12px 40px rgba(0,255,255,0.12), 0 0 0 1px rgba(0,255,255,0.2);
}
.about-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,255,255,0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.about-card-v2:hover .about-card-glow {
  opacity: 1;
  animation: card-glow-rotate 6s linear infinite;
}
@keyframes card-glow-rotate {
  to { transform: rotate(360deg); }
}
.about-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,255,255,0.1) 0%, rgba(255,51,170,0.08) 100%);
  border: 1px solid rgba(0,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: #00ffff;
  transition: all 0.4s ease;
}
.about-card-v2:hover .about-card-icon {
  transform: scale(1.1) rotate(-5deg);
  border-color: rgba(0,255,255,0.5);
  box-shadow: 0 0 15px rgba(0,255,255,0.2);
}
.about-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}
.about-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem 0;
  transition: color 0.3s ease;
}
.about-card-v2:hover .about-card-title {
  color: #00ffff;
}
.about-card-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

/* 淡入动画 */
.about-fade-item {
  opacity: 0;
  transform: translateY(15px);
  animation: about-fade-up 0.7s ease forwards;
}
.about-card-anim {
  animation: about-fade-up 0.7s ease forwards;
}
@keyframes about-fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式 */
@media (max-width: 960px) {
  .about-home-v2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-cards-v2 {
    max-width: 500px;
    margin: 0 auto;
  }
  .about-card-v2:nth-child(2) { margin-top: 0; }
  .about-card-v2:nth-child(3) { margin-top: 0; }
  .about-card-v2:nth-child(4) { margin-top: 0; }
}
@media (max-width: 560px) {
  .about-stats-v2 {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .about-stat-divider {
    display: none;
  }
  .about-cards-v2 {
    grid-template-columns: 1fr;
  }
}