/* ============================================================
   星极科技 · 首页科技蓝版式 (kk-style v4)
   结构事实：Swiper 初始化后删除了原幻灯片，banner 内只剩
   .banner-s（4 张浮动卡片）。大标题文案由 kk-hero.js 注入 .xj-hero。
   布局：banner 深蓝大屏，.xj-hero 文案在上，.banner-s 卡片悬浮压在底部。
   ============================================================ */

/* ---------- 1. HERO 深色科技大屏 ---------- */
body#index .section.banner {
  position: relative !important;
  background: linear-gradient(118deg, #0A1733 0%, #0E2347 48%, #123C7A 100%) !important;
  background-color: #0A1733 !important;
  overflow: hidden !important;
  padding-top: 60px !important;
}
body#index .banner .swiper,
body#index .banner .swiper-wrapper { background: transparent !important; }
/* 隐藏原浅色大图 */
body#index .banner img,
body#index .banner a img { display: none !important; }

/* ---------- 注入的 hero 文案区 ---------- */
body#index .section.banner .xj-hero {
  position: relative;
  z-index: 3;
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 40px 150px;
}
body#index .section.banner .xj-hero-inner { max-width: 620px; }
body#index .xj-h1 {
  color: #ffffff !important;
  font-size: 46px !important;
  line-height: 1.3 !important;
  letter-spacing: 1px;
  margin: 0 !important;
  text-shadow: 0 4px 26px rgba(0,30,90,.5) !important;
}
body#index .xj-h1::after {
  content: '';
  display: block;
  width: 72px; height: 4px; border-radius: 2px;
  margin-top: 22px;
  background: linear-gradient(90deg, #1E7FFF, #4FC3FF);
  box-shadow: 0 2px 10px rgba(30,127,255,.6);
}
body#index .xj-desc {
  color: rgba(218,232,255,.9) !important;
  font-size: 16px !important;
  line-height: 1.9 !important;
  max-width: 540px;
  margin: 24px 0 36px !important;
}
body#index .xj-btns { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
body#index .xj-cta {
  background: linear-gradient(135deg, #1E7FFF, #3FA0FF) !important;
  box-shadow: 0 8px 26px rgba(30,127,255,.5) !important;
  border-radius: 24px !important;
  padding: 13px 36px !important;
  font-size: 15px !important;
  color: #ffffff !important;
  display: inline-block;
  transition: transform .25s, box-shadow .25s;
}
body#index .xj-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(30,127,255,.65) !important;
  background: linear-gradient(135deg, #3FA0FF, #1E7FFF) !important;
  color: #fff;
}
body#index .xj-cta-ghost {
  color: rgba(218,232,255,.92) !important;
  font-size: 15px;
  padding: 12px 30px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 24px;
  transition: border-color .25s, color .25s, background .25s;
}
body#index .xj-cta-ghost:hover {
  color: #fff !important;
  border-color: #fff;
  background: rgba(255,255,255,.1);
}

/* ---------- 科技网格 + 渐变光晕 + 粒子层 ---------- */
/* 网格：加密加深，右侧聚焦 */
body#index .section.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120,200,255,.20) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.20) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at 62% 46%, rgba(0,0,0,.95), rgba(0,0,0,.5) 70%, transparent 100%);
  mask-image: radial-gradient(ellipse at 62% 46%, rgba(0,0,0,.95), rgba(0,0,0,.5) 70%, transparent 100%);
  z-index: 0;
  pointer-events: none;
}
/* 双层渐变光晕：右上一亮、左下一暗，营造纵深感 */
body#index .section.banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(620px 520px at 84% 30%, rgba(30,127,255,.38), transparent 68%),
    radial-gradient(520px 420px at 70% 82%, rgba(79,195,255,.26), transparent 68%),
    linear-gradient(105deg, transparent 42%, rgba(79,195,255,.16) 60%, rgba(30,127,255,.08) 78%, transparent 100%),
    radial-gradient(420px 360px at 96% 72%, rgba(79,195,255,.22), transparent 66%),
    radial-gradient(520px 420px at 8% 100%, rgba(18,60,122,.5), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
/* 粒子网络层（canvas 由 kk-particles.js 绘制） */
body#index .section.banner .xj-particles {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
@keyframes xjFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50%     { transform: translateY(-18px) scale(1.03); }
}
/* 分页器 */
body#index .banner .swiper-pagination-bullet { background: rgba(255,255,255,.5) !important; }
body#index .banner .swiper-pagination-bullet-active { background: #fff !important; width: 22px; border-radius: 3px; }


/* ---------- 2. 顶部悬浮 4 卡片 ---------- */
body#index .banner-s {
  position: relative !important;
  z-index: 5 !important;
  margin-top: -100px !important;
  border-radius: 14px !important;
  box-shadow: 0 18px 50px rgba(8,28,80,.18) !important;
  overflow: hidden !important;
  background: #fff !important;
}
body#index .banner-s .banner-item {
  padding: 32px 30px !important;
  border-right: 1px solid #EEF2F8 !important;
  transition: background .3s;
}
body#index .banner-s .banner-item:last-child { border-right: none !important; }
body#index .banner-s .banner-item h5 { color: #0D1F40 !important; font-size: 17px !important; }
body#index .banner-s .banner-item .banner-tag {
  background: #E8F2FF !important;
  border: none !important;
  color: #1E7FFF !important;
  border-radius: 12px !important;
  padding: 3px 12px !important;
  font-size: 12px !important;
}
body#index .banner-s .banner-item:hover { background: #F4F9FF !important; }

/* ---------- 3. section 标题 ---------- */
body#index .section .section-title h2 { color: #0D1F40 !important; }
body#index .section .section-title .section-desc { color: rgba(13,31,64,.6) !important; }

/* ---------- 4. 服务卡片 ---------- */
body#index .service .service-box {
  border: 1px solid #E4EDFA !important;
  border-radius: 10px !important;
  background: linear-gradient(175deg, #FFFFFF, #F7FBFF) !important;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
body#index .service .service-box:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 16px 42px rgba(30,127,255,.16) !important;
  border-color: rgba(30,127,255,.35) !important;
}
body#index .service .service-title { color: #0D1F40 !important; }
body#index .service .service-tag {
  background: #E8F2FF !important;
  color: #1E7FFF !important;
  border-radius: 10px !important;
  border: none !important;
}
body#index .service .service-price { color: #1E7FFF !important; }

/* ---------- 5. 解决方案：深色科技底 ---------- */
body#index .section.resolve,
body#index .section[class*="resolve"] {
  background-image:
    radial-gradient(800px 300px at 88% 18%, rgba(79,195,255,.2), transparent 58%),
    linear-gradient(115deg, #0C1C3C 0%, #112E62 100%) !important;
  background-color: #0E2150 !important;
}
body#index .section.resolve .section-title h2 { color: #ffffff !important; }
body#index .section.resolve .section-title .section-desc { color: rgba(218,232,255,.8) !important; }
body#index .resolve .resolve-box {
  background: rgba(255,255,255,.07) !important;
  border: 1px solid rgba(255,255,255,.14) !important;
  border-radius: 10px !important;
  backdrop-filter: blur(6px);
  transition: transform .3s, background .3s, border-color .3s;
}
body#index .resolve .resolve-box:hover {
  transform: translateY(-5px) !important;
  background: rgba(255,255,255,.13) !important;
  border-color: rgba(79,195,255,.5) !important;
}
body#index .resolve .resolve-box h4 { color: #ffffff !important; }
body#index .resolve .resolve-box .title-desc { color: rgba(218,232,255,.75) !important; }
body#index .resolve .resolve-link { color: #7EC8FF !important; }

/* ---------- 6. 基础设施（.section-base）深色科技底 ---------- */
body#index .section-base {
  position: relative !important;
  overflow: hidden !important;
  background-image:
    radial-gradient(700px 280px at 10% 40%, rgba(79,195,255,.18), transparent 58%),
    linear-gradient(115deg, #0A1733 0%, #0D2854 100%) !important;
  background-color: #0D2854 !important;
}
body#index .section-base .section-title h2 { color: #ffffff !important; }
body#index .section-base .base-content h2 { color: #ffffff !important; }
body#index .section-base .base-content h2::after {
  content: ''; display: block; width: 44px; height: 3px; border-radius: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, #1E7FFF, #4FC3FF);
}
body#index .section-base .base-content .title-desc { color: rgba(218,232,255,.82) !important; }
body#index .section-base .cert { background: transparent !important; }
body#index .section-base .cert-item { color: rgba(218,232,255,.9) !important; }

/* ---------- 7. 新闻区 ---------- */
body#index .news .news-cont {
  border: 1px solid #E4EDFA !important;
  border-radius: 10px !important;
  padding: 24px !important;
  background: #FAFDFF !important;
  transition: box-shadow .3s, transform .3s;
}
body#index .news .news-cont:hover {
  box-shadow: 0 14px 36px rgba(30,127,255,.12) !important;
  transform: translateY(-4px) !important;
}
body#index .news .news-title {
  color: #0D1F40 !important;
  position: relative;
  padding-left: 12px;
}
body#index .news .news-title::before {
  content: ''; position: absolute; left: 0; top: 4px;
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(180deg, #1E7FFF, #4FC3FF);
}