/* ==========================================================================
   khot-pro.css — 科鸿特电脑设计系统 v1.0
   定位：全站视觉权威层（最后加载，覆盖旧体系）
   语言：极光工程感 · 品牌蓝 #2563EB 单色系 · 白色发光 · 毛玻璃白70%
   规则：页头区域禁用 opacity 脉冲；动效克制；亮/暗双主题完整适配
   ========================================================================== */

/* ── 1. 设计令牌 ─────────────────────────────────────────────── */
:root {
  /* 品牌 */
  --brand: #2563EB;
  --brand-strong: #1D4ED8;
  --brand-deep: #1E40AF;
  --brand-soft: #3B82F6;
  --brand-sky: #60A5FA;
  --brand-wash: rgba(37, 99, 235, .08);
  --brand-wash-2: rgba(37, 99, 235, .14);
  /* 墨色 */
  --ink: #0B1526;
  --ink-2: #334155;
  --ink-3: #64748B;
  /* 背景与表面 */
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --surface-2: #F8FAFD;
  --line: rgba(11, 21, 38, .08);
  --line-strong: rgba(11, 21, 38, .14);
  /* 白色发光（主人定稿偏好） */
  --glow-white: rgba(255, 255, 255, .65);
  --glow-white-soft: rgba(255, 255, 255, .35);
  /* 毛玻璃白70% */
  --glass-bg: rgba(255, 255, 255, .7);
  --glass-brd: rgba(255, 255, 255, .55);
  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-pill: 999px;
  /* 阴影（三层柔和） */
  --sh-1: 0 1px 2px rgba(11, 21, 38, .05);
  --sh-2: 0 1px 2px rgba(11, 21, 38, .04), 0 10px 28px -14px rgba(11, 21, 38, .16);
  --sh-3: 0 2px 4px rgba(11, 21, 38, .05), 0 22px 48px -18px rgba(11, 21, 38, .26);
  --sh-brand: 0 6px 20px -8px rgba(37, 99, 235, .45);
  /* 动效 */
  --ease: cubic-bezier(.22, .68, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.4, .5, 1);
  --t-fast: .18s;
  --t-med: .32s;
  /* 布局 */
  --header-h: 68px;
  --maxw: 1240px;
}

/* ── 2. 基础 ─────────────────────────────────────────────────── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg) !important;
  color: var(--ink) !important;
  font-family: 'Noto Sans SC', -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* 全局淡网格纹理（静态，无动画） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(11,21,38,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,21,38,.028) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 30%, transparent 78%);
}
a { color: var(--brand); text-decoration: none !important; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--brand-strong); }
img { max-width: 100%; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; letter-spacing: -.02em; font-weight: 700; }
::selection { background: rgba(37, 99, 235, .18); color: var(--ink); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(100, 116, 139, .35); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: rgba(37, 99, 235, .55); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── 3. 页头 + 导航 ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t-med) var(--ease), background var(--t-med) var(--ease);
}
.site-header--scrolled, .site-header.scrolled {
  background: rgba(255, 255, 255, .82);
  box-shadow: var(--sh-2);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 20px; }
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { height: 38px; width: auto; }
.logo-text { font-weight: 800; font-size: 1.1rem; color: var(--ink); letter-spacing: -.01em; }

.main-nav { margin-left: auto; }
.nav-menu { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-menu > li { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: .94rem;
  font-weight: 500;
  position: relative;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-link:hover { color: var(--brand); background: var(--brand-wash); }
.nav-link.active { color: var(--brand); font-weight: 600; background: var(--brand-wash); }
/* 活动态下划光条（白色发光，非脉冲） */
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  box-shadow: 0 0 8px var(--glow-white), 0 0 3px rgba(37,99,235,.5);
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-3);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--t-fast) var(--ease);
  z-index: 50;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-menu a { display: block; padding: 9px 12px; border-radius: var(--r-sm); color: var(--ink-2); font-size: .92rem; }
.nav-dropdown-menu a:hover { background: var(--brand-wash); color: var(--brand); }
.nav-spy-active { color: var(--brand) !important; }

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-size: .9rem;
  font-weight: 600;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.5);
  transition: all var(--t-fast) var(--ease);
}
.header-phone:hover { color: var(--brand); border-color: var(--brand-wash-2); background: var(--brand-wash); box-shadow: 0 0 0 3px rgba(255,255,255,.4); }
.header-phone-number { font-weight: 700; }
.header-phone svg { color: var(--brand); }

/* 语言切换 */
.lang-toggle, .theme-toggle, .mobile-lang-toggle {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.5);
  color: var(--ink-2);
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  transition: all var(--t-fast) var(--ease);
}
.lang-toggle:hover, .theme-toggle:hover { color: var(--brand); border-color: var(--brand-wash-2); background: var(--brand-wash); transform: translateY(-1px); }

/* 汉堡按钮 */
.mobile-menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.6);
  color: var(--ink);
  cursor: pointer;
  align-items: center; justify-content: center;
}

/* ── 4. 按钮体系 ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-fast) var(--ease-spring), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
  will-change: transform;
}
.btn:active { transform: scale(.97); }
.btn--primary, .btn-primary, .btn.btn--primary {
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong));
  color: #fff !important;
  box-shadow: var(--sh-brand), inset 0 1px 0 var(--glow-white-soft);
}
.btn--primary:hover, .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(37, 99, 235, .55), 0 0 0 4px rgba(255,255,255,.35), inset 0 1px 0 var(--glow-white);
  color: #fff !important;
}
/* 主按钮白光扫过（hover 触发，非循环） */
.btn--primary::after, .btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-20deg);
  transition: left .55s var(--ease);
  pointer-events: none;
}
.btn--primary:hover::after, .btn-primary:hover::after { left: 130%; }
.btn--outline, .btn-outline {
  background: var(--surface);
  color: var(--brand) !important;
  border-color: var(--brand-wash-2);
}
.btn--outline:hover, .btn-outline:hover {
  border-color: var(--brand);
  background: var(--brand-wash);
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}
.btn--ghost, .btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--line); }
.btn--ghost:hover { color: var(--brand); border-color: var(--brand-wash-2); background: var(--brand-wash); }
.btn--lg { padding: 14px 32px; font-size: 1.02rem; }
.btn--sm { padding: 7px 16px; font-size: .86rem; }
.btn--block { width: 100%; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* 卡片上的按钮链接（pcard-btn 等） */
.pcard-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-size: .88rem; font-weight: 600;
  background: var(--brand-wash);
  color: var(--brand) !important;
  transition: all var(--t-fast) var(--ease);
}
.pcard-btn:hover { background: var(--brand); color: #fff !important; box-shadow: var(--sh-brand); transform: translateY(-1px); }

/* 涟漪 */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.55), transparent 65%);
  transform: scale(0);
  animation: khtRipple .55s var(--ease) forwards;
  pointer-events: none;
}
@keyframes khtRipple { to { transform: scale(3); opacity: 0; } }

/* ── 5. 标签/徽章 ────────────────────────────────────────────── */
.tag, .article-badge, .news-card__badge, .product-card-badge, .detail-badge, .article-detail-badge, .tech-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--brand-wash);
  color: var(--brand);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.5;
}
.tech-card-meta .tag { background: var(--brand-wash); color: var(--brand); }

/* ── 6. Hero 首屏（极光工程感） ─────────────────────────────── */
.hero {
  position: relative;
  padding: 96px 0 88px;
  background: linear-gradient(160deg, #EAF1FE 0%, #F6F9FF 45%, #EDF3FF 100%);
  overflow: hidden;
}
/* 极光：品牌蓝 mesh + 白色光带（静态+慢速漂浮，非脉冲） */
.hero::before {
  content: '';
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(42% 55% at 12% 18%, rgba(37, 99, 235, .22), transparent 65%),
    radial-gradient(38% 48% at 88% 12%, rgba(96, 165, 250, .25), transparent 60%),
    radial-gradient(50% 60% at 75% 85%, rgba(37, 99, 235, .14), transparent 62%);
  filter: blur(8px);
  animation: khtAurora 22s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 30%, rgba(255,255,255,.5) 46%, rgba(255,255,255,.12) 54%, transparent 70%),
    linear-gradient(65deg, transparent 40%, rgba(255,255,255,.35) 55%, transparent 72%);
  mix-blend-mode: screen;
  pointer-events: none;
}
@keyframes khtAurora {
  0%   { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(2.5%, -2%, 0) scale(1.06); }
}
.hero .container { position: relative; z-index: 2; }
.hero h1, .hero-title {
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.18;
  color: var(--ink);
}
.hero h1 .text-gradient, .hero .gradient-text, .text-gradient {
  background: linear-gradient(120deg, var(--brand) 10%, var(--brand-sky) 55%, var(--brand-strong) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero p, .hero-desc, .hero-subtitle { color: var(--ink-2); font-size: 1.08rem; max-width: 620px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--brand);
  font-size: .85rem;
  font-weight: 600;
  box-shadow: var(--sh-1);
}
.hero-orb { display: none; } /* 旧装饰球退役，由极光取代 */
.hero-mouse-glow { display: none; }
.hero-data-streams, .hero-data-stream, .hero-data-bar, .hero-data-corner, .hero-bg-gradient { display: none; }

/* 首屏数据条/跑马灯 */
.news-ticker-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}
.news-ticker-inner { display: flex; gap: 36px; padding: 12px 0; }
.news-ticker-item { color: var(--ink-2); font-size: .88rem; }
.news-ticker-item a { color: var(--ink-2); }
.news-ticker-item a:hover { color: var(--brand); }

/* 滚动提示 */
.scroll-indicator, .scroll-mouse { color: var(--ink-3); }
.scroll-dot { background: var(--brand); }

/* ── 7. 版块标题体系 ────────────────────────────────────────── */
.section { padding: 84px 0; position: relative; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--r-pill);
  background: var(--brand-wash);
  color: var(--brand);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}
/* 白色彗星光带扫过（6s 一次，极缓） */
.section-label::after {
  content: '';
  position: absolute;
  top: 0; left: -70%;
  width: 45%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.75), transparent);
  transform: skewX(-18deg);
  animation: khtComet 6.5s ease-in-out infinite;
}
@keyframes khtComet { 0%, 55% { left: -70%; } 90%, 100% { left: 140%; } }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.025em;
  margin: 16px 0 12px;
  color: var(--ink);
}
.section-desc, .section-header__desc { color: var(--ink-3); font-size: 1.02rem; }

/* ── 8. 卡片族（统一质感） ─────────────────────────────────── */
.tech-card, .product-card, .news-card, .advantage-card, .feature-item,
.value-card, .team-card, .honor-card, .review-card, .related-card,
.contact-info-card, .sidebar-card, .about-stat-item, .article-detail,
.office-promo .tech-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform var(--t-med) var(--ease-spring), box-shadow var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  position: relative;
  overflow: hidden;
}
/* 卡片顶部品牌渐变光线（静态，hover 增强） */
.tech-card::before, .product-card::before, .news-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-sky), rgba(255,255,255,.9));
  opacity: 0;
  transition: opacity var(--t-med) var(--ease);
}
.tech-card:hover, .product-card:hover, .news-card:hover,
.advantage-card:hover, .feature-item:hover, .value-card:hover,
.team-card:hover, .honor-card:hover, .review-card:hover, .related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-3), 0 0 0 4px rgba(255,255,255,.5);
  border-color: var(--brand-wash-2);
}
.tech-card:hover::before, .product-card:hover::before, .news-card:hover::before { opacity: 1; }

.tech-card { display: flex; flex-direction: column; height: 100%; }
.tech-card-content { padding: 26px 26px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tech-card-title { font-size: 1.14rem; font-weight: 700; letter-spacing: -.015em; color: var(--ink); }
.tech-card-title a { color: inherit; }
.tech-card-title a:hover { color: var(--brand); }
.tech-card-desc { color: var(--ink-3); font-size: .92rem; line-height: 1.7; flex: 1; }
.tech-card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }

/* 产品卡 */
.products-grid, .tech-grid, .news-grid, .related-grid, .team-grid, .honor-grid, .strength-grid, .value-grid, .advantage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.product-card { display: flex; flex-direction: column; }
.product-card-image, .tech-card-image { position: relative; overflow: hidden; background: var(--surface-2); }
.product-card-image img, .tech-card-image img { transition: transform .5s var(--ease); }
.product-card:hover .product-card-image img, .tech-card:hover .tech-card-image img { transform: scale(1.05); }
.product-card-content, .product-card-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card-category { color: var(--ink-3); font-size: .8rem; font-weight: 600; letter-spacing: .04em; }
.product-card__title, .product-card-title { font-size: 1.04rem; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.product-card__title a, .product-card-title a { color: inherit; }
.product-card__desc { color: var(--ink-3); font-size: .9rem; flex: 1; }
.product-card-price, .related-price, .price-value { color: var(--brand); font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.price-label { color: var(--ink-3); font-size: .8rem; }
.product-card__link, .read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 600;
  font-size: .9rem;
  margin-top: 6px;
}
.product-card__link svg, .read-more-link svg { transition: transform var(--t-fast) var(--ease-spring); }
.product-card:hover .product-card__link svg, .tech-card:hover .read-more-link svg { transform: translateX(5px); }

/* 新闻卡 */
.news-card { padding: 22px 24px; }
.news-card__date, .tech-article-date, .article-date { color: var(--ink-3); font-size: .82rem; font-weight: 500; }
.news-card__title { font-size: 1.05rem; font-weight: 700; margin: 8px 0; }
.news-card__title a { color: var(--ink); }
.news-card__title a:hover { color: var(--brand); }
.news-card__desc { color: var(--ink-3); font-size: .9rem; }

/* ── 9. 页头横幅（内页） ────────────────────────────────────── */
.page-header {
  position: relative;
  padding: 72px 0 60px;
  background: linear-gradient(150deg, #E9F0FD 0%, #F5F8FE 60%, #EDF3FF 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(40% 60% at 85% 20%, rgba(37,99,235,.18), transparent 62%),
    radial-gradient(36% 50% at 8% 80%, rgba(96,165,250,.16), transparent 60%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 2; }
.page-header-title { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; letter-spacing: -.025em; }
.page-header-desc { color: var(--ink-2); font-size: 1.02rem; margin-top: 10px; max-width: 640px; }
.page-header-decor { display: none; }
.breadcrumb-bar, .breadcrumb { color: var(--ink-3); font-size: .85rem; }
.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--brand); }

/* ── 10. CTA 区块 ───────────────────────────────────────────── */
.cta-section, .contact-cta-section { padding: 84px 0; }
.cta-inner, .contact-cta-inner, .cta-content {
  position: relative;
  background: linear-gradient(135deg, var(--brand-strong) 0%, var(--brand) 55%, var(--brand-deep) 100%);
  border-radius: var(--r-xl);
  padding: 56px 60px;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--sh-3);
}
/* CTA 内白色极光 */
.cta-inner::before, .contact-cta-inner::before, .cta-content::before {
  content: '';
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(45% 60% at 80% 15%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(40% 55% at 15% 90%, rgba(255,255,255,.18), transparent 62%);
  pointer-events: none;
}
.cta-inner > *, .contact-cta-inner > *, .cta-content > * { position: relative; z-index: 2; }
.cta-title { color: #fff; font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -.02em; }
.cta-desc { color: rgba(255,255,255,.85); margin-top: 10px; max-width: 560px; }
.cta-actions { margin-top: 26px; display: flex; gap: 14px; flex-wrap: wrap; }
.cta-section .btn--outline, .contact-cta-section .btn--outline { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.4); color: #fff !important; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.cta-section .btn--outline:hover, .contact-cta-section .btn--outline:hover { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.7); }
.cta-time, .cta-work-time { color: rgba(255,255,255,.75); font-size: .88rem; }

/* ── 11. 页脚 ───────────────────────────────────────────────── */
.site-footer, .footer-section {
  background: linear-gradient(180deg, #0C1B33 0%, #081226 100%);
  color: rgba(255,255,255,.72);
  position: relative;
  overflow: hidden;
}
.site-footer::before, .footer-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 40% at 85% 0%, rgba(37,99,235,.28), transparent 65%),
    radial-gradient(40% 35% at 5% 100%, rgba(37,99,235,.16), transparent 60%);
  pointer-events: none;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 40px; position: relative; z-index: 2; }
.footer-brand-text, .footer-col-title { color: #fff; font-weight: 700; }
.footer-col-title { font-size: .95rem; margin-bottom: 16px; letter-spacing: .02em; }
.footer-brand-text { font-size: 1.15rem; }
.footer-desc { font-size: .88rem; line-height: 1.8; margin-top: 12px; color: rgba(255,255,255,.6); }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.65); font-size: .9rem; transition: all var(--t-fast) var(--ease); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-time, .footer-qr-text { font-size: .84rem; color: rgba(255,255,255,.55); }
.footer-qr { border-radius: var(--r-md); box-shadow: 0 0 0 4px rgba(255,255,255,.08); }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.75);
  transition: all var(--t-fast) var(--ease);
}
.footer-social a:hover { background: var(--brand); border-color: var(--brand); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px -6px rgba(37,99,235,.7); }
.footer-bottom, .footer-copyright { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; font-size: .84rem; color: rgba(255,255,255,.45); position: relative; z-index: 2; }
.footer-links-inline { display: flex; gap: 18px; flex-wrap: wrap; }

/* ── 12. 漂浮咨询条 + 返回顶部 ─────────────────────────────── */
.social-float {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 99;
}
.social-float-btn {
  position: relative;
  width: 46px; height: 46px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--brand) !important;
  box-shadow: var(--sh-2);
  transition: all var(--t-fast) var(--ease-spring);
}
.social-float-btn:hover {
  background: var(--brand);
  color: #fff !important;
  transform: translateX(-4px) scale(1.06);
  box-shadow: var(--sh-brand), 0 0 0 4px rgba(255,255,255,.4);
}
.social-float-btn .s-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--ink);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  font-size: .8rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-fast) var(--ease);
  pointer-events: none;
}
.social-float-btn:hover .s-tooltip { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }

.back-to-top {
  position: fixed;
  bottom: 26px;
  right: 22px;
  width: 46px; height: 46px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ink-2);
  cursor: pointer;
  box-shadow: var(--sh-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--t-med) var(--ease);
  z-index: 9999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }

/* 微信弹窗 */
.wechat-popup { position: fixed; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center; background: rgba(8, 15, 30, .55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); opacity: 0; visibility: hidden; transition: all var(--t-med) var(--ease); }
.wechat-popup.active { opacity: 1; visibility: visible; }
.wechat-popup-inner { background: var(--surface); border-radius: var(--r-xl); padding: 34px; text-align: center; box-shadow: var(--sh-3); max-width: 320px; }
.wechat-popup-qr { width: 200px; border-radius: var(--r-md); }
.wechat-popup-text { color: var(--ink); font-weight: 600; margin-top: 14px; }
.wechat-popup-hint { color: var(--ink-3); font-size: .85rem; margin-top: 6px; }
.wechat-popup-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%; border: none; background: var(--brand-wash); color: var(--brand); cursor: pointer; }

/* 阅读进度条 */
.scroll-progress-bar { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: transparent; z-index: 10000; }
.scroll-progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), var(--brand-sky), rgba(255,255,255,.9)); box-shadow: 0 0 8px rgba(255,255,255,.6); }

/* ── 13. 表单 / 搜索 / 筛选 ────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink-2); margin-bottom: 7px; }
.form-control, .form-group input, .form-group textarea, .form-group select, .contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--ink);
  font-size: .95rem;
  font-family: inherit;
  transition: all var(--t-fast) var(--ease);
}
.form-control:focus, .contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-wash);
}
.form-submit-btn { width: 100%; }
.form-success { background: rgba(16, 185, 129, .1); color: #047857; padding: 12px 16px; border-radius: var(--r-md); font-size: .9rem; }
.form-error { background: rgba(239, 68, 68, .1); color: #B91C1C; padding: 12px 16px; border-radius: var(--r-md); font-size: .9rem; }

.search-form, .search-form--page { display: flex; gap: 10px; }
.search-form__input {
  flex: 1;
  padding: 13px 20px;
  border-radius: var(--r-pill) !important;
  border: 1px solid var(--line-strong) !important;
  background: var(--surface) !important;
  box-shadow: var(--sh-1) !important;
  font-size: .95rem;
  transition: all var(--t-fast) var(--ease);
}
.search-form__input:focus { outline: none; border-color: var(--brand) !important; box-shadow: 0 0 0 4px var(--brand-wash) !important; }
.search-form__btn, .search-form__submit {
  padding: 13px 28px;
  border-radius: var(--r-pill);
  border: none;
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--sh-brand);
  transition: all var(--t-fast) var(--ease);
}
.search-form__btn:hover, .search-form__submit:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(37,99,235,.55); }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn, .cat-filter button, .category-filter button, .tab-btn {
  padding: 9px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-2);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}
.filter-btn:hover, .cat-filter button:hover, .category-filter button:hover, .tab-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-wash); }
.filter-btn.active, .cat-filter button.active, .category-filter button.active, .tab-btn.active {
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: var(--sh-brand);
}
.filter-label { font-weight: 600; color: var(--ink-2); margin-right: 4px; }

/* ── 14. 分页 / 吐司 / 弹窗 ────────────────────────────────── */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-2);
  font-weight: 600;
  font-size: .92rem;
  transition: all var(--t-fast) var(--ease);
}
.pagination a:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); box-shadow: var(--sh-2); }
.pagination .current {
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: var(--sh-brand);
}

.toast-container { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%); z-index: 10001; display: flex; flex-direction: column; gap: 10px; }
.toast {
  padding: 12px 22px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
  box-shadow: var(--sh-3);
  animation: khtToastIn .3s var(--ease-spring);
}
.toast-success { background: linear-gradient(135deg, #059669, #047857); }
.toast-error { background: linear-gradient(135deg, #DC2626, #B91C1C); }
.toast-warning { background: linear-gradient(135deg, #D97706, #B45309); }
@keyframes khtToastIn { from { opacity: 0; transform: translateY(14px) scale(.95); } }

.modal-overlay { position: fixed; inset: 0; z-index: 1000; background: rgba(8,15,30,.6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all var(--t-med) var(--ease); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { background: var(--surface); border-radius: var(--r-xl); padding: 32px; max-width: 520px; width: 92%; box-shadow: var(--sh-3); }

/* ── 15. 移动导航抽屉 ──────────────────────────────────────── */
.mobile-nav { position: fixed; inset: 0; z-index: 200; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .28s var(--ease), visibility .28s; }
.mobile-nav.active { visibility: visible !important; opacity: 1 !important; pointer-events: auto !important; }
.mobile-nav-veil, .mobile-nav-overlay { position: absolute; inset: 0; background: rgba(8, 15, 30, .5); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); opacity: 0; transition: opacity .28s var(--ease); }
.mobile-nav.active .mobile-nav-veil, .mobile-nav.active .mobile-nav-overlay { opacity: 1; }
.mobile-nav-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(340px, 86vw);
  background: var(--surface);
  box-shadow: var(--sh-3);
  display: flex;
  flex-direction: column;
  transform: translateX(102%);
  transition: transform .32s var(--ease);
}
.mobile-nav.active .mobile-nav-panel { transform: translateX(0) !important; }
.mobile-nav-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.mobile-nav-brand { display: flex; align-items: center; gap: 10px; }
.mobile-logo-img { height: 30px; }
.mobile-logo-text { font-weight: 800; color: var(--ink); }
.mobile-nav-close { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); color: var(--ink-2); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.mobile-nav-menu { list-style: none; margin: 0; padding: 14px 16px; flex: 1; overflow-y: auto; }
.mobile-nav-link {
  display: block;
  padding: 13px 16px;
  border-radius: var(--r-md);
  color: var(--ink-2);
  font-weight: 500;
  font-size: .98rem;
  margin-bottom: 2px;
  transition: all var(--t-fast) var(--ease);
}
.mobile-nav-link:hover { background: var(--brand-wash); color: var(--brand); }
.mobile-nav-link.active { background: var(--brand-wash); color: var(--brand); font-weight: 700; }
.mobile-nav-footer { padding: 16px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.mobile-phone-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; border-radius: var(--r-md); border: 1px solid var(--line-strong); color: var(--ink-2); font-weight: 600; }
.mobile-cta-btn {
  display: block;
  text-align: center;
  padding: 13px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong));
  color: #fff !important;
  font-weight: 700;
  box-shadow: var(--sh-brand);
}

/* ── 16. 文章/详情/侧栏 ────────────────────────────────────── */
.article-content, .article-body, .tech-article-body, .article-detail-body, .article-detail-content { color: var(--ink-2); line-height: 1.85; font-size: .98rem; }
.article-content h2, .article-body h2, .article-detail-body h2 { font-size: 1.4rem; margin: 1.6em 0 .7em; letter-spacing: -.02em; }
.article-content h3, .article-body h3 { font-size: 1.18rem; margin: 1.4em 0 .6em; }
.article-content img, .article-body img, .article-detail-content img { border-radius: var(--r-lg); box-shadow: var(--sh-2); margin: 18px 0; }
.article-content a, .article-body a { color: var(--brand); border-bottom: 1px solid var(--brand-wash-2); }
.article-content blockquote, .article-body blockquote {
  margin: 20px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--brand);
  background: var(--brand-wash);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--ink-2);
}
.article-detail-title, .article-detail-header h1 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.35; }
.article-detail-meta, .detail-meta, .tech-article-meta { color: var(--ink-3); font-size: .86rem; display: flex; gap: 16px; flex-wrap: wrap; }
.article-detail-cover, .article-detail-cover-wrapper { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh-2); }

.sidebar-widget, .sidebar-card { padding: 24px; margin-bottom: 24px; }
.sidebar-widget__title, .sidebar-card__title { font-size: 1.02rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--brand-wash-2); position: relative; }
.sidebar-widget__title::after, .sidebar-card__title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 42px; height: 2px; background: var(--brand); }
.sidebar-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.sidebar-link { display: flex; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: var(--r-sm); color: var(--ink-2); font-size: .9rem; transition: all var(--t-fast) var(--ease); }
.sidebar-link:hover { background: var(--brand-wash); color: var(--brand); }
.sidebar-link__date { color: var(--ink-3); font-size: .8rem; flex-shrink: 0; }
.sidebar-cta { background: linear-gradient(150deg, var(--brand-strong), var(--brand-deep)); border: none; color: #fff; text-align: center; }
.sidebar-cta .sidebar-card__title { color: #fff; border-color: rgba(255,255,255,.3); }
.sidebar-cta .sidebar-card__title::after { background: #fff; }

/* 规格表 */
.spec-table, .specs-table, .specs-table-modern { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; font-size: .92rem; }
.spec-table tr:nth-child(odd), .specs-table tr:nth-child(odd) { background: var(--surface-2); }
.spec-label, .spec-table td:first-child { padding: 12px 18px; color: var(--ink-3); font-weight: 600; width: 38%; border-bottom: 1px solid var(--line); }
.spec-value, .spec-table td:last-child { padding: 12px 18px; color: var(--ink); border-bottom: 1px solid var(--line); }

/* 时间轴 */
.timeline { position: relative; padding-left: 28px; }
.timeline-line { position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--brand-wash-2)); border-radius: 2px; }
.timeline-item { position: relative; padding-bottom: 30px; }
.timeline-dot-wrapper { position: absolute; left: -28px; top: 4px; }
.timeline-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px var(--brand-wash); }
.timeline-year { color: var(--brand); font-weight: 800; font-size: 1.05rem; }
.timeline-title { font-weight: 700; color: var(--ink); margin: 4px 0; }
.timeline-desc { color: var(--ink-3); font-size: .92rem; }

/* 实力数字 */
.strength-item { text-align: center; padding: 30px 18px; }
.strength-number { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -.03em; background: linear-gradient(120deg, var(--brand), var(--brand-sky)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.strength-label { color: var(--ink-3); font-size: .9rem; margin-top: 6px; }
.strength-divider { display: none; }

/* 联系页 */
.contact-info-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info-item:last-child { border-bottom: none; }
.contact-icon, .contact-info__icon { width: 44px; height: 44px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: var(--r-md); background: var(--brand-wash); color: var(--brand); }
.contact-info__label { color: var(--ink-3); font-size: .82rem; }
.contact-info-item strong, .contact-info__value { color: var(--ink); font-weight: 700; }
.contact-form-wrap, .contact-form-wrapper, .contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 34px; box-shadow: var(--sh-2); }
.contact-form-header { font-size: 1.2rem; font-weight: 800; margin-bottom: 20px; letter-spacing: -.01em; }

/* 地图占位 */
.map-container, .map-placeholder { border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--sh-2); }

/* 团队/荣誉/评价 */
.team-card { text-align: center; padding: 28px 22px; }
.team-card-avatar { width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px; object-fit: cover; box-shadow: 0 0 0 4px var(--brand-wash); }
.team-card-title { font-weight: 700; color: var(--ink); }
.honor-card { padding: 24px; text-align: center; }
.honor-icon { width: 54px; height: 54px; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; border-radius: var(--r-md); background: linear-gradient(135deg, var(--brand-soft), var(--brand-strong)); color: #fff; box-shadow: var(--sh-brand); }
.review-card { padding: 24px; }
.review-card__avatar { width: 46px; height: 46px; border-radius: 50%; }
.review-author { font-weight: 700; color: var(--ink); }

/* 关于页 */
.about-stat-item { text-align: center; padding: 26px 16px; }
.about-stat-item strong { font-size: 1.9rem; font-weight: 800; background: linear-gradient(120deg, var(--brand), var(--brand-sky)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-intro-content h2 { letter-spacing: -.02em; font-weight: 800; }
.about-text { color: var(--ink-2); line-height: 1.85; }
.about-image-badge { background: var(--glass-bg); border: 1px solid var(--glass-brd); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-radius: var(--r-lg); box-shadow: var(--sh-3); }

/* ── 17. 出现动画体系 ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }
.reveal-delay-5 { transition-delay: .4s; }
.reveal-left { transform: translateX(-22px); }
.reveal-right { transform: translateX(22px); }
.reveal-scale { transform: scale(.94); }
.reveal-left.visible, .reveal-right.visible, .reveal-scale.visible { transform: none; }
.rise-up, .zoom-in, .slide-left, .slide-right { opacity: 0; transition: all .7s var(--ease); }
.rise-up { transform: translateY(26px); }
.zoom-in { transform: scale(.92); }
.slide-left { transform: translateX(-26px); }
.slide-right { transform: translateX(26px); }
.rise-up.visible, .zoom-in.visible, .slide-left.visible, .slide-right.visible { opacity: 1 !important; transform: none !important; }

/* ── 18. 响应式 ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-inner, .contact-cta-inner, .cta-content { padding: 44px 40px; }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .header-phone { display: none; }
  .section { padding: 60px 0; }
  .hero { padding: 64px 0 56px; }
  .hero::before { animation: none; }
}
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .tech-grid, .products-grid, .news-grid, .related-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; padding: 48px 0 28px; }
  .social-float { right: 14px; }
  .social-float-btn { width: 42px; height: 42px; }
  /* 移动端关闭纯装饰动效 */
  .section-label::after { animation: none; display: none; }
  .cta-inner, .contact-cta-inner, .cta-content { padding: 36px 26px; border-radius: var(--r-lg); }
}
@media (max-width: 480px) {
  .tech-grid, .products-grid, .news-grid { grid-template-columns: 1fr; }
  .btn { padding: 11px 20px; font-size: .92rem; }
  .btn-group { gap: 10px; }
  .filter-btn { padding: 8px 14px; font-size: .82rem; }
}

/* 尊重系统减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ════════════════════════════════════════════════════════════
   19. 暗色主题（body.dark-mode）— 深蓝黑 · 白发光 · 全组件适配
   ════════════════════════════════════════════════════════════ */
body.dark-mode {
  --ink: #E8EEF8;
  --ink-2: #B6C2D6;
  --ink-3: #8494AD;
  --bg: #070D1A;
  --surface: #0D1729;
  --surface-2: #101D33;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --brand-wash: rgba(59, 130, 246, .16);
  --brand-wash-2: rgba(59, 130, 246, .28);
  --glass-bg: rgba(13, 23, 41, .7);
  --glass-brd: rgba(255, 255, 255, .12);
  --glow-white: rgba(255, 255, 255, .55);
  --sh-1: 0 1px 2px rgba(0, 0, 0, .3);
  --sh-2: 0 1px 2px rgba(0,0,0,.3), 0 10px 28px -14px rgba(0, 0, 0, .6);
  --sh-3: 0 2px 4px rgba(0,0,0,.35), 0 22px 48px -18px rgba(0, 0, 0, .7);
}
body.dark-mode::before {
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
}
body.dark-mode { background: #070D1A !important; color: #E8EEF8 !important; }
body.dark-mode h1, body.dark-mode h2, body.dark-mode h3, body.dark-mode h4 { color: #E8EEF8; }
body.dark-mode ::selection { background: rgba(59, 130, 246, .35); }
body.dark-mode ::-webkit-scrollbar-thumb { background: rgba(255,255,255,.18); border-color: #070D1A; }

/* 页头 */
body.dark-mode .site-header { background: var(--glass-bg); border-bottom-color: var(--line); }
body.dark-mode .site-header--scrolled, body.dark-mode .site-header.scrolled { background: rgba(9, 16, 30, .85); }
body.dark-mode .logo-text { color: #E8EEF8; }
body.dark-mode .nav-link { color: var(--ink-2); }
body.dark-mode .nav-link:hover, body.dark-mode .nav-link.active { color: #7FB0FF; background: var(--brand-wash); }
body.dark-mode .header-phone, body.dark-mode .lang-toggle, body.dark-mode .theme-toggle {
  background: rgba(255,255,255,.05); border-color: var(--line-strong); color: var(--ink-2);
}
body.dark-mode .header-phone:hover, body.dark-mode .lang-toggle:hover, body.dark-mode .theme-toggle:hover { color: #7FB0FF; border-color: var(--brand-wash-2); background: var(--brand-wash); }
body.dark-mode .mobile-menu-toggle { background: rgba(255,255,255,.05); border-color: var(--line); color: #E8EEF8; }

/* Hero */
body.dark-mode .hero { background: linear-gradient(160deg, #0A1428 0%, #081120 50%, #0A1730 100%); }
body.dark-mode .hero h1, body.dark-mode .hero-title { color: #F2F6FD; }
body.dark-mode .hero p, body.dark-mode .hero-desc { color: var(--ink-2); }
body.dark-mode .hero::before {
  background:
    radial-gradient(42% 55% at 12% 18%, rgba(37, 99, 235, .32), transparent 65%),
    radial-gradient(38% 48% at 88% 12%, rgba(96, 165, 250, .26), transparent 60%),
    radial-gradient(50% 60% at 75% 85%, rgba(37, 99, 235, .2), transparent 62%);
}
body.dark-mode .hero-badge { background: rgba(13,23,41,.7); border-color: rgba(255,255,255,.14); color: #8FBBFF; }
body.dark-mode .news-ticker-wrap { background: var(--surface); border-bottom-color: var(--line); }
body.dark-mode .news-ticker-item, body.dark-mode .news-ticker-item a { color: var(--ink-2); }

/* 内页横幅 */
body.dark-mode .page-header { background: linear-gradient(150deg, #0B1630 0%, #081120 60%, #0A1834 100%); border-bottom-color: var(--line); }
body.dark-mode .page-header-title { color: #F2F6FD; }
body.dark-mode .page-header-desc { color: var(--ink-2); }

/* 卡片 */
body.dark-mode .tech-card, body.dark-mode .product-card, body.dark-mode .news-card,
body.dark-mode .advantage-card, body.dark-mode .feature-item, body.dark-mode .value-card,
body.dark-mode .team-card, body.dark-mode .honor-card, body.dark-mode .review-card,
body.dark-mode .related-card, body.dark-mode .contact-info-card, body.dark-mode .sidebar-card,
body.dark-mode .about-stat-item, body.dark-mode .contact-form-wrap, body.dark-mode .contact-form,
body.dark-mode .article-detail {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--sh-1);
}
body.dark-mode .tech-card:hover, body.dark-mode .product-card:hover, body.dark-mode .news-card:hover,
body.dark-mode .advantage-card:hover, body.dark-mode .feature-item:hover, body.dark-mode .value-card:hover,
body.dark-mode .team-card:hover, body.dark-mode .honor-card:hover, body.dark-mode .review-card:hover,
body.dark-mode .related-card:hover {
  border-color: var(--brand-wash-2);
  box-shadow: var(--sh-3), 0 0 0 4px rgba(255,255,255,.04);
}
body.dark-mode .tech-card-title, body.dark-mode .product-card__title, body.dark-mode .product-card-title,
body.dark-mode .news-card__title, body.dark-mode .team-card-title, body.dark-mode .review-author { color: #E8EEF8; }
body.dark-mode .news-card__title a { color: #E8EEF8; }
body.dark-mode .news-card__title a:hover { color: #8FBBFF; }
body.dark-mode .tech-card-desc, body.dark-mode .product-card__desc, body.dark-mode .news-card__desc { color: var(--ink-3); }
body.dark-mode .product-card-image, body.dark-mode .tech-card-image { background: var(--surface-2); }
body.dark-mode .product-card-price, body.dark-mode .price-value { color: #7FB0FF; }

/* 标签 */
body.dark-mode .tag, body.dark-mode .article-badge, body.dark-mode .news-card__badge,
body.dark-mode .product-card-badge, body.dark-mode .tech-badge { background: var(--brand-wash); color: #8FBBFF; }

/* 按钮 */
body.dark-mode .btn--outline, body.dark-mode .btn-outline { background: var(--surface); color: #8FBBFF !important; border-color: var(--brand-wash-2); }
body.dark-mode .btn--outline:hover { background: var(--brand-wash); border-color: var(--brand-soft); }
body.dark-mode .btn--ghost, body.dark-mode .btn-ghost { color: var(--ink-2); border-color: var(--line-strong); }
body.dark-mode .pcard-btn { background: var(--brand-wash); color: #8FBBFF !important; }

/* CTA */
body.dark-mode .cta-inner, body.dark-mode .contact-cta-inner, body.dark-mode .cta-content {
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 55%, #1D4ED8 100%);
  box-shadow: 0 24px 60px -20px rgba(37, 99, 235, .55);
}

/* 表单 */
body.dark-mode .form-control, body.dark-mode .form-group input, body.dark-mode .form-group textarea,
body.dark-mode .contact-form input, body.dark-mode .contact-form textarea {
  background: var(--surface-2); border-color: var(--line-strong); color: #E8EEF8;
}
body.dark-mode .form-control:focus { border-color: var(--brand-soft); box-shadow: 0 0 0 4px var(--brand-wash); }
body.dark-mode .search-form__input { background: var(--surface) !important; border-color: var(--line-strong) !important; color: #E8EEF8; }
body.dark-mode .filter-btn, body.dark-mode .cat-filter button, body.dark-mode .category-filter button, body.dark-mode .tab-btn {
  background: var(--surface); border-color: var(--line-strong); color: var(--ink-2);
}
body.dark-mode .filter-btn:hover { color: #8FBBFF; border-color: var(--brand-wash-2); background: var(--brand-wash); }

/* 分页 */
body.dark-mode .pagination a, body.dark-mode .pagination span { background: var(--surface); border-color: var(--line-strong); color: var(--ink-2); }

/* 文章 */
body.dark-mode .article-content, body.dark-mode .article-body, body.dark-mode .tech-article-body,
body.dark-mode .article-detail-body { color: var(--ink-2); }
body.dark-mode .article-content blockquote { background: var(--brand-wash); color: var(--ink-2); }
body.dark-mode .article-detail-meta, body.dark-mode .article-date { color: var(--ink-3); }
body.dark-mode .sidebar-widget__title, body.dark-mode .sidebar-card__title { color: #E8EEF8; }
body.dark-mode .sidebar-link { color: var(--ink-2); }
body.dark-mode .sidebar-link:hover { color: #8FBBFF; }

/* 规格表 */
body.dark-mode .spec-table tr:nth-child(odd), body.dark-mode .specs-table tr:nth-child(odd) { background: var(--surface-2); }
body.dark-mode .spec-label { color: var(--ink-3); border-bottom-color: var(--line); }
body.dark-mode .spec-value { color: #E8EEF8; border-bottom-color: var(--line); }

/* 漂浮条 */
body.dark-mode .social-float-btn { background: rgba(13,23,41,.75); border-color: rgba(255,255,255,.14); color: #8FBBFF !important; }
body.dark-mode .social-float-btn:hover { background: var(--brand); color: #fff !important; }
body.dark-mode .back-to-top { background: rgba(13,23,41,.75); border-color: rgba(255,255,255,.14); color: var(--ink-2); }
body.dark-mode .wechat-popup-inner { background: var(--surface); }
body.dark-mode .wechat-popup-text { color: #E8EEF8; }

/* 移动抽屉 */
body.dark-mode .mobile-nav-panel { background: var(--surface); }
body.dark-mode .mobile-nav-header { border-bottom-color: var(--line); }
body.dark-mode .mobile-logo-text { color: #E8EEF8; }
body.dark-mode .mobile-nav-link { color: var(--ink-2); }
body.dark-mode .mobile-nav-link:hover, body.dark-mode .mobile-nav-link.active { color: #8FBBFF; background: var(--brand-wash); }
body.dark-mode .mobile-nav-footer { border-top-color: var(--line); }
body.dark-mode .mobile-phone-btn { color: var(--ink-2); border-color: var(--line-strong); }
body.dark-mode .mobile-nav-close { background: var(--surface); border-color: var(--line); color: var(--ink-2); }

/* 联系页 */
body.dark-mode .contact-info-item { border-bottom-color: var(--line); }
body.dark-mode .contact-info__label { color: var(--ink-3); }
body.dark-mode .contact-info-item strong, body.dark-mode .contact-info__value { color: #E8EEF8; }
body.dark-mode .contact-form-header { color: #E8EEF8; }

/* 时间轴/实力 */
body.dark-mode .timeline-title { color: #E8EEF8; }
body.dark-mode .timeline-desc { color: var(--ink-3); }
body.dark-mode .strength-number { background: linear-gradient(120deg, #7FB0FF, #B9D4FF); -webkit-background-clip: text; background-clip: text; }
body.dark-mode .strength-label { color: var(--ink-3); }
body.dark-mode .about-stat-item strong { background: linear-gradient(120deg, #7FB0FF, #B9D4FF); -webkit-background-clip: text; background-clip: text; }
body.dark-mode .about-text { color: var(--ink-2); }
body.dark-mode .about-image-badge { background: rgba(13,23,41,.7); border-color: rgba(255,255,255,.12); }
body.dark-mode .team-card-avatar { box-shadow: 0 0 0 4px var(--brand-wash); }

/* 弹窗 */
body.dark-mode .modal-content { background: var(--surface); }

/* 设计系统完 */