/* 全站动效 — 滚动显现、入场、交互微动（配合 js/motion.js） */
:root {
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-duration: 0.75s;
}

/* ---------- 滚动显现基础 ---------- */
.motion-reveal {
  opacity: 0;
  transition:
    opacity var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease),
    filter var(--motion-duration) var(--motion-ease);
  transition-delay: var(--motion-delay, 0s);
}
/* 首页图片卡片：更短、更轻的入场，减轻滚动卡顿 */
.motion-reveal.motion-home-card {
  --motion-duration: 0.45s;
}
.motion-reveal.motion-home-card.motion-fade-up {
  transform: translateY(18px);
}
.motion-reveal.motion-visible {
  opacity: 1;
  transform: none !important;
  filter: none !important;
}

.motion-fade-up { transform: translateY(36px); }
.motion-fade-down { transform: translateY(-24px); }
.motion-fade-left { transform: translateX(40px); }
.motion-fade-right { transform: translateX(-40px); }
.motion-scale-in { transform: scale(0.92); }
.motion-blur-in {
  transform: translateY(20px);
  filter: blur(8px);
}

/* 首屏立即播放 */
.motion-reveal.motion-immediate {
  transition-delay: var(--motion-delay, 0s);
}
.motion-immediate.motion-visible,
html.motion-boot .motion-immediate {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ---------- 页面入场 ---------- */
html.motion-enabled body {
  opacity: 0;
  transition: opacity 0.45s ease;
}
html.motion-boot body {
  opacity: 1;
}

/* ---------- 导航 ---------- */
.motion-enabled .main-nav .nav-item > a {
  position: relative;
}
.motion-enabled .main-nav .nav-item > a::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  height: 2px;
  background: linear-gradient(90deg, #7dd3fc, var(--blue));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s var(--motion-ease);
}
.motion-enabled .main-nav .nav-item > a:hover::after,
.motion-enabled .main-nav .nav-item.active > a::after {
  transform: scaleX(1);
}

.motion-enabled .dropdown {
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.35s var(--motion-ease);
}

/* ---------- 首页 Banner 文案 ---------- */
.motion-enabled .banner-content > * {
  pointer-events: auto;
}

/* Swiper 当前 slide 轻微缩放 */
.motion-enabled .home-banner-swiper .swiper-slide-active img {
  animation: motionKenBurns 9s var(--motion-ease-out) forwards;
}
@keyframes motionKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

/* ---------- 区块标题下划线生长 ---------- */
.motion-enabled .section-title h2::after {
  width: 0;
  opacity: 0;
  transition: width 0.7s var(--motion-ease), opacity 0.5s ease;
  transition-delay: 0.15s;
}
.motion-enabled .section-title.motion-visible h2::after {
  width: 48px;
  opacity: 1;
}

/* ---------- 卡片高光与悬浮 ---------- */
.motion-enabled .solution-card,
.motion-enabled .product-card,
.motion-enabled .solution-list-item {
  position: relative;
  overflow: hidden;
}
.motion-enabled .solution-card::before,
.motion-enabled .product-card::before,
.motion-enabled .solution-list-item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  transition: transform 0.65s ease;
}
.motion-enabled .solution-card:hover::before,
.motion-enabled .product-card:hover::before,
.motion-enabled .solution-list-item:hover::before {
  transform: translateX(120%);
}

.motion-enabled .solution-card:hover,
.motion-enabled .product-card:hover,
.motion-enabled .solution-list-item:hover {
  box-shadow: 0 20px 48px rgba(33, 134, 219, 0.18);
}

.motion-enabled .about-card.motion-reveal:not(.motion-visible) {
  transition:
    opacity var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
}
.motion-enabled .about-card.motion-visible:hover {
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.2);
}

/* ---------- 数据条数字 ---------- */
.motion-enabled .stats-inner .stat .num {
  transition: color 0.3s, text-shadow 0.3s;
}
.motion-enabled .stats-inner .stat.motion-visible .num {
  text-shadow: 0 0 24px rgba(33, 134, 219, 0.35);
}

/* ---------- 内页 Hero ---------- */
.motion-enabled .page-hero-solutions::after,
.motion-enabled .page-hero-about::after,
.motion-enabled .page-banner::after {
  animation: motionHeroShade 1.2s ease forwards;
}
@keyframes motionHeroShade {
  from { opacity: 0.3; }
  to { opacity: 1; }
}

/* ---------- 面包屑 ---------- */
.motion-enabled .breadcrumb {
  transform-origin: top center;
}

/* ---------- Tab 切换 ---------- */
.motion-enabled .tab-panel.active.motion-tab-enter {
  animation: motionTabIn 0.5s var(--motion-ease) forwards;
}
@keyframes motionTabIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 富文本图片懒入 ---------- */
.motion-enabled .solution-tab-body img,
.motion-enabled .product-detail .content img,
.motion-enabled .about-intro .content img {
  transition: box-shadow 0.35s ease, transform 0.35s var(--motion-ease);
}
.motion-enabled .solution-tab-body img.motion-visible,
.motion-enabled .product-detail .content img.motion-visible,
.motion-enabled .about-intro .content img.motion-visible {
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.1);
}

/* ---------- 按钮与链接 ---------- */
.motion-enabled .banner-btns a,
.motion-enabled .section-more a,
.motion-enabled .product-card .more {
  position: relative;
  overflow: hidden;
}
.motion-enabled .banner-btns a::after,
.motion-enabled .section-more a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.35), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.motion-enabled .banner-btns a:hover::after,
.motion-enabled .section-more a:hover::after {
  opacity: 1;
}

.motion-enabled .section-more a {
  transition:
    background 0.25s,
    color 0.25s,
    transform 0.3s var(--motion-ease),
    box-shadow 0.3s ease;
}
.motion-enabled .section-more a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(33, 134, 219, 0.25);
}

/* ---------- 返回顶部 ---------- */
.motion-enabled .back-top {
  transition:
    transform 0.35s var(--motion-ease),
    background 0.2s,
    box-shadow 0.3s;
}
.motion-enabled .back-top.show {
  animation: motionBackTopPop 0.5s var(--motion-ease);
}
@keyframes motionBackTopPop {
  0% { transform: scale(0.6); opacity: 0; }
  70% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}
.motion-enabled .back-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 28px rgba(33, 134, 219, 0.45);
}

/* ---------- 页脚 ---------- */
.motion-enabled .footer-col {
  transition: transform 0.4s var(--motion-ease);
}
.motion-enabled .footer-col.motion-visible:hover {
  transform: translateY(-3px);
}

/* 产品研发区背景流光已关闭（滚动经过时持续动画易卡顿） */

/* ---------- 流程步骤 ---------- */
.motion-enabled .process-step {
  transition: transform 0.35s var(--motion-ease), box-shadow 0.35s;
}
.motion-enabled .process-step.motion-visible:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(33, 134, 219, 0.15);
}

/* ---------- 移动端抽屉滑入 ---------- */
@media (max-width: 768px) {
  .motion-enabled .mobile-drawer {
    display: block !important;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 0.42s var(--motion-ease),
      opacity 0.3s ease,
      visibility 0.42s;
  }
  .motion-enabled .mobile-drawer.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .motion-enabled .mobile-drawer.open a {
    animation: motionDrawerLink 0.45s var(--motion-ease) backwards;
    animation-delay: calc(var(--link-i, 0) * 0.04s);
  }
  @keyframes motionDrawerLink {
    from {
      opacity: 0;
      transform: translateX(16px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .motion-reveal,
  .motion-reveal.motion-visible {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
    animation: none !important;
  }
  html.motion-enabled body {
    opacity: 1;
    transition: none;
  }
  .motion-enabled .home-banner-swiper .swiper-slide-active img {
    animation: none;
  }
  .motion-enabled .section-products::after {
    display: none;
  }
}