/* ==========================================================================
   锐淏科技官网 v3 - 全站样式（深色科技风 + 移动端适配）
   ========================================================================== */

/* ---------- 字体 ---------- */
@font-face {
  font-family: 'Alibaba PuHuiTi';
  font-weight: 500;
  font-display: swap;
  src: url('/assets/fonts/AlibabaPuHuiTi-Medium.woff2') format('woff2');
}
@font-face {
  font-family: 'Alibaba PuHuiTi';
  font-weight: 700;
  font-display: swap;
  src: url('/assets/fonts/AlibabaPuHuiTi-Bold.woff2') format('woff2');
}

/* ---------- 变量 ---------- */
:root {
  --color-bg: #07070d;
  --color-bg-soft: #0d0d1c;
  --color-card: rgba(255, 255, 255, 0.04);
  --color-card-hover: rgba(255, 255, 255, 0.07);
  --color-primary: #6b8bff;
  --color-primary-light: #93adff;
  --color-primary-dark: #3b5bdb;
  --color-accent: #8b7cf6;
  --color-text: #eef0ff;
  --color-text-2: rgba(238, 240, 255, 0.72);
  --color-text-3: rgba(238, 240, 255, 0.5);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(147, 173, 255, 0.45);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --nav-h: 72px;
  --font-base: 'Alibaba PuHuiTi', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 30px rgba(107, 139, 255, 0.25);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-base);
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-light); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; line-height: 1.25; color: var(--color-text); }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
input, textarea, button, select { font-family: inherit; font-size: inherit; }

.container { width: min(1280px, 100% - 48px); margin-inline: auto; }

/* 页面氛围光晕 */
.page-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 15% -5%, rgba(107, 139, 255, 0.14), transparent 60%),
    radial-gradient(700px 500px at 90% 10%, rgba(139, 124, 246, 0.10), transparent 60%);
}

/* ---------- 通用区块 ---------- */
main { display: block; }
.section { padding: 88px 0; }
.section-soft { background: var(--color-bg-soft); border-block: 1px solid var(--color-border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head p { color: var(--color-text-3); margin: 0; }
.section-head.row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  text-align: left; max-width: none; margin-bottom: 44px;
}
.section-head .tag { margin-bottom: 12px; }
.section-title { font-size: clamp(26px, 3.4vw, 38px); }
.section-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 34px; color: var(--color-text-2); font-weight: 500; white-space: nowrap;
}
.section-head.row .section-more { margin-top: 0; }
.section-more:hover { color: var(--color-primary-light); }

.tag {
  display: inline-block; padding: 4px 14px; margin-bottom: 14px;
  border: 1px solid var(--color-border-strong); border-radius: 999px;
  color: var(--color-primary-light); font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: 15px; line-height: 1.4; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; box-shadow: var(--shadow-glow);
}
.btn-primary:hover { color: #fff; box-shadow: 0 0 40px rgba(107, 139, 255, 0.45); transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--color-border-strong); color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { color: #fff; border-color: var(--color-primary-light); background: rgba(107, 139, 255, 0.1); }
.btn-sm { padding: 8px 18px; font-size: 13.5px; }
.btn-lg { padding: 15px 34px; font-size: 16.5px; }

/* ---------- 导航 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.navbar.navbar-scrolled, .navbar.nav-open {
  background: rgba(7, 7, 13, 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
}
.navbar-inner { display: flex; align-items: center; gap: 26px; height: var(--nav-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--color-text); }
.brand:hover { color: var(--color-text); }
.brand img { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 17px; letter-spacing: 1px; }
.brand-text small { font-size: 10px; letter-spacing: 3px; color: var(--color-text-3); }

.nav-pill { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-pill a {
  padding: 8px 15px; border-radius: 999px;
  color: var(--color-text-2); font-weight: 500; font-size: 15px;
  transition: color .2s, background .2s;
}
.nav-pill a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.nav-pill a.active { color: #fff; background: rgba(107, 139, 255, 0.18); box-shadow: inset 0 0 0 1px rgba(107, 139, 255, 0.35); }

.navbar-actions { display: flex; align-items: center; gap: 16px; }
.nav-cta { flex-shrink: 0; }
.nav-tel { display: inline-flex; align-items: center; gap: 7px; color: var(--color-text-2); font-weight: 700; font-size: 14px; }
.nav-tel:hover { color: var(--color-primary-light); }

.nav-toggle { display: none; }

/* ---------- 首页 Hero ---------- */
.home-hero {
  position: relative; min-height: 96vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.home-hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.home-hero-mask {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(7, 7, 13, 0.55) 0%, rgba(7, 7, 13, 0.35) 45%, rgba(7, 7, 13, 0.9) 100%);
}
.home-hero-content { position: relative; z-index: 2; text-align: center; padding-bottom: 8vh; }
.hero-eyebrow { color: var(--color-text-2); font-size: clamp(14px, 1.6vw, 17px); margin-bottom: 18px; }
.home-hero-title {
  font-size: clamp(34px, 7.2vw, 84px);
  font-weight: 700; line-height: 1.18; margin-bottom: 22px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .45);
}
.home-hero-sub {
  max-width: 680px; margin: 0 auto 34px;
  color: var(--color-text-2); font-size: clamp(14px, 1.5vw, 17px);
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.home-hero-stat {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 46px; padding: 8px 20px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--color-border);
  backdrop-filter: blur(6px); font-size: 14px; color: var(--color-text-2);
}
.home-hero-stat b { color: #fff; font-size: 18px; }
.stat-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55);
  animation: dot-pulse 2s infinite;
}
@keyframes dot-pulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}
.home-hero-fade {
  position: absolute; left: 0; right: 0; bottom: 0; height: 140px; z-index: 2;
  background: linear-gradient(180deg, transparent, var(--color-bg));
  pointer-events: none;
}

/* ShinyText 流光标题 */
.shiny {
  background: linear-gradient(120deg, var(--color-primary-light) 40%, #ffffff 50%, var(--color-primary-light) 60%);
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shiny-move 4.5s linear infinite;
}
@keyframes shiny-move {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- 卡片网格 ---------- */
.grid-2, .adv-grid, .product-grid, .solution-grid, .cat-grid {
  display: grid; gap: 22px;
}
.adv-grid { grid-template-columns: repeat(4, 1fr); }
.adv-grid-3 { grid-template-columns: repeat(3, 1fr); }
.product-grid, .solution-grid { grid-template-columns: repeat(4, 1fr); }
.product-grid.cols-3, .solution-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cat-grid { grid-template-columns: repeat(3, 1fr); }

.adv-card, .adv-item { text-align: center; }
.adv-card:hover, .adv-item:hover, .service-card:hover, .product-card:hover, .solution-card:hover, .cat-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-strong);
  background: var(--color-card-hover);
  box-shadow: var(--shadow-card);
}
.adv-no {
  display: block; font-size: 30px; font-weight: 700; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.svc-icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: rgba(107, 139, 255, 0.14); border: 1px solid rgba(107, 139, 255, 0.3);
  color: var(--color-primary-light); font-size: 24px;
}
.service-card { text-align: center; }
.service-card h3, .adv-card h3, .adv-item h3 { font-size: 18px; margin-bottom: 8px; }
.service-card p, .adv-card p, .adv-item p { color: var(--color-text-3); font-size: 14px; margin: 0; }
.service-card .svc-icon { margin: 0 0 16px; }

/* ---------- 产品 / 方案 / 分类卡片 ---------- */
.product-card, .solution-card, .cat-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.product-card { color: var(--color-text); }
.product-card:hover, .solution-card:hover, .cat-card:hover { color: var(--color-text); }
.pc-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-bg-soft); }
.pc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .pc-img img { transform: scale(1.05); }
.pc-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.pcat {
  display: inline-block; align-self: flex-start;
  font-size: 12px; font-weight: 700; color: var(--color-primary-light);
  background: rgba(107, 139, 255, 0.12); border: 1px solid rgba(107, 139, 255, 0.28);
  padding: 2px 10px; border-radius: 999px; margin-bottom: 10px;
}
.psub { font-size: 13px; color: var(--color-text-3); }
.pc-meta { margin-bottom: 6px; display: flex; flex-direction: column; gap: 4px; }
.product-card h3, .solution-card h3, .cat-card h3 { font-size: 17px; margin: 0 0 8px; }
.psum { color: var(--color-text-3); font-size: 14px; flex: 1; margin: 0 0 14px; }
.plink {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-primary-light); font-weight: 700; font-size: 14px;
}
.product-card:hover .plink, .solution-card:hover .plink { color: #fff; }

.solution-card { padding: 22px; }
.sc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.sc-star {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 700; color: #ffd166;
  background: rgba(255, 209, 102, 0.12); border: 1px solid rgba(255, 209, 102, 0.3);
  padding: 2px 10px; border-radius: 999px; white-space: nowrap;
}
.sc-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.cat-card { padding: 30px; text-align: center; align-items: center; }
.cat-icon {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(107, 139, 255, 0.22), rgba(139, 124, 246, 0.22));
  border: 1px solid rgba(107, 139, 255, 0.35);
  color: var(--color-primary-light); font-size: 26px;
}
.cat-count { font-size: 13px; color: var(--color-text-3); margin: 0; }

/* ---------- 资讯列表 ---------- */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item.card { padding: 0; overflow: hidden; color: var(--color-text); display: flex; align-items: stretch; }
.news-item:hover { color: var(--color-text); border-color: var(--color-border-strong); background: var(--color-card-hover); transform: translateX(6px); }
.ni-img { width: 200px; flex-shrink: 0; background: var(--color-bg-soft); overflow: hidden; }
.ni-img img { width: 100%; height: 100%; object-fit: cover; }
.ni-body { padding: 20px 24px; flex: 1; min-width: 0; }
.ni-meta { display: flex; align-items: center; gap: 16px; color: var(--color-text-3); font-size: 13px; margin-bottom: 8px; }
.news-item h3 { font-size: 18px; margin-bottom: 6px; }
.news-item .psum { margin-bottom: 0; }
.news-item.is-top h3::before {
  content: '置顶'; display: inline-block; margin-right: 8px; padding: 1px 8px;
  font-size: 11px; font-weight: 700; color: #ffd166;
  background: rgba(255, 209, 102, 0.12); border: 1px solid rgba(255, 209, 102, 0.3);
  border-radius: 999px; vertical-align: 2px;
}

/* 首页资讯行 */
.news-home { display: flex; flex-direction: column; }
.news-home .news-item {
  display: flex; align-items: center; gap: 16px; padding: 17px 18px;
  border-bottom: 1px solid var(--color-border); color: var(--color-text);
}
.news-home .news-item:hover { color: var(--color-primary-light); background: rgba(255, 255, 255, 0.03); transform: none; }
.news-home time { color: var(--color-text-3); font-size: 13.5px; flex-shrink: 0; }
.news-t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15.5px; }
.news-arrow { color: var(--color-primary-light); font-size: 18px; flex-shrink: 0; opacity: 0; transition: opacity .2s; }
.news-home .news-item:hover .news-arrow { opacity: 1; }

/* ---------- CTA 区 ---------- */
.cta-box {
  text-align: center; padding: 64px 32px; border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 300px at 50% -40%, rgba(107, 139, 255, 0.25), transparent 70%),
    var(--color-bg-soft);
  border-color: rgba(107, 139, 255, 0.3);
}
.cta-box h2 { font-size: clamp(24px, 3vw, 34px); }
.cta-box p { color: var(--color-text-3); max-width: 560px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-inline {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: 44px; padding: 26px 30px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(107, 139, 255, 0.12), rgba(139, 124, 246, 0.1));
  border: 1px solid rgba(107, 139, 255, 0.28);
}
.cta-inline p { margin: 0; }
.cta-inline h3 { margin: 0 0 4px; font-size: 19px; }

/* ---------- 页首横幅 ---------- */
.page-hero { padding: calc(var(--nav-h) + 66px) 0 46px; text-align: center; position: relative; }
.page-hero h1 { font-size: clamp(30px, 4.6vw, 46px); }
.page-hero-sm { padding: calc(var(--nav-h) + 46px) 0 30px; text-align: left; }
.page-hero-sm h1 { font-size: clamp(24px, 3.6vw, 38px); }
.page-hero-sub { color: var(--color-text-3); max-width: 640px; margin: 8px auto 0; font-size: 15.5px; }
.page-hero-sm .page-hero-sub { margin-left: 0; }

.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; font-size: 13.5px; color: var(--color-text-3); }
.breadcrumb a { color: var(--color-text-3); }
.breadcrumb a:hover { color: var(--color-primary-light); }
.breadcrumb .bi { font-size: 11px; opacity: .6; }
.breadcrumb span { color: var(--color-text-2); }

/* ---------- 筛选条 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 34px; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; border-radius: 999px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--color-border); color: var(--color-text-2);
  background: rgba(255, 255, 255, 0.03); transition: all .2s;
}
a.chip:hover, .chip:hover { color: #fff; border-color: var(--color-border-strong); }
.chip.active {
  color: #fff; background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-color: transparent; box-shadow: var(--shadow-glow);
}
.chip-label { font-style: normal; color: var(--color-text-3); font-size: 13px; padding: 7px 0; }
.chip-sm { padding: 3px 12px; font-size: 12.5px; }

/* ---------- 详情布局 ---------- */
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 26px; align-items: start; }
.detail-card { padding: 34px; }
.detail-cover { margin: -34px -34px 26px; border-radius: var(--radius-md) var(--radius-md) 0 0; overflow: hidden; aspect-ratio: 21 / 9; background: var(--color-bg-soft); }
.detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.detail-summary {
  font-size: 16.5px; color: var(--color-text-2); line-height: 1.9;
  padding: 16px 20px; margin-bottom: 26px;
  background: rgba(107, 139, 255, 0.07); border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.detail-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--color-border); }
.detail-views { color: var(--color-text-3); font-size: 13.5px; display: inline-flex; align-items: center; gap: 6px; }
.detail-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.page-hero-sm .detail-tags { justify-content: flex-start; }

.detail-side { position: sticky; top: calc(var(--nav-h) + 16px); display: flex; flex-direction: column; gap: 14px; }
.side-title { font-size: 15px; color: var(--color-text-2); margin: 6px 0 4px; letter-spacing: 1px; }
.side-item {
  display: flex; flex-direction: column; gap: 3px; padding: 13px 16px;
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.side-item:hover { border-color: var(--color-border-strong); background: var(--color-card-hover); }
.side-item-t { color: var(--color-text); font-size: 14px; font-weight: 700; line-height: 1.5; }
.side-item:hover .side-item-t { color: var(--color-primary-light); }
.side-item-s { color: var(--color-text-3); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-all { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; margin-top: 4px; }
.side-cta { text-align: center; padding: 24px 18px; }
.side-cta p { font-weight: 700; margin-bottom: 14px; }
.side-cta .btn { display: flex; width: 100%; margin-top: 8px; }

/* 上一篇 / 下一篇 */
.article-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.article-pager:empty { display: none; }
.pager-item {
  display: flex; flex-direction: column; gap: 5px; padding: 16px 18px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02); min-width: 0;
}
.pager-item:hover { border-color: var(--color-border-strong); background: var(--color-card-hover); }
.pager-item small { color: var(--color-text-3); font-size: 12.5px; }
.pager-item span { color: var(--color-text); font-weight: 700; font-size: 14.5px; line-height: 1.5; }
.pager-item:hover span { color: var(--color-primary-light); }
.pager-next { text-align: right; align-items: flex-end; }

/* ---------- 空态 / 分页 ---------- */
.empty-tip { text-align: center; color: var(--color-text-3); padding: 70px 0; font-size: 15.5px; }
.empty-tip .bi { font-size: 44px; display: block; margin-bottom: 14px; opacity: .4; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.page-link {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border); color: var(--color-text-2); font-size: 14px;
  background: rgba(255, 255, 255, 0.02);
}
.page-link:hover { color: #fff; border-color: var(--color-border-strong); }
.page-link.active { color: #fff; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); border-color: transparent; font-weight: 700; }
.page-link.disabled { opacity: .35; pointer-events: none; }

/* ---------- 富文本正文 ---------- */
.rich-content { font-size: 16px; line-height: 1.95; color: var(--color-text-2); word-break: break-word; }
.rich-content h2, .rich-content h3, .rich-content h4 { color: var(--color-text); margin: 1.6em 0 .7em; line-height: 1.35; }
.rich-content h2 { font-size: 22px; padding-left: 14px; border-left: 4px solid var(--color-primary); }
.rich-content h3 { font-size: 19px; padding-left: 12px; border-left: 3px solid var(--color-accent); }
.rich-content h4 { font-size: 17px; }
.rich-content p { margin: 0 0 1.2em; }
.rich-content ul, .rich-content ol { margin: 0 0 1.2em; padding-left: 1.6em; }
.rich-content ul { list-style: none; padding-left: 1.3em; }
.rich-content ul li { position: relative; }
.rich-content ul li::before {
  content: ''; position: absolute; left: -1.15em; top: .72em;
  width: 7px; height: 7px; background: var(--color-primary); border-radius: 2px;
}
.rich-content ol li { padding-left: .25em; }
.rich-content li { margin-bottom: .5em; }
.rich-content li > ul, .rich-content li > ol { margin: .5em 0 0; }
.rich-content img { border-radius: var(--radius-md); margin: 1.2em auto; box-shadow: var(--shadow-card); }
.rich-content a { color: var(--color-primary-light); text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.rich-content a:hover { color: #fff; }
.rich-content blockquote {
  margin: 1.3em 0; padding: 14px 20px;
  background: rgba(139, 124, 246, 0.08); border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--color-text-2);
}
.rich-content blockquote p:last-child { margin: 0; }
.rich-content pre {
  margin: 1.3em 0; padding: 18px 20px; overflow-x: auto;
  background: #0a0a14; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font: 13.5px/1.7 Consolas, 'Courier New', monospace; color: #b7c4ff;
}
.rich-content code {
  padding: 2px 7px; border-radius: 5px; font: .9em Consolas, 'Courier New', monospace;
  background: rgba(107, 139, 255, 0.12); color: var(--color-primary-light);
}
.rich-content pre code { padding: 0; background: none; color: inherit; }
.rich-content table { width: 100%; border-collapse: collapse; margin: 1.3em 0; font-size: 15px; }
.rich-content th, .rich-content td { border: 1px solid var(--color-border); padding: 10px 14px; text-align: left; }
.rich-content th { background: rgba(107, 139, 255, 0.12); color: var(--color-text); font-weight: 700; }
.rich-content tr:nth-child(even) td { background: rgba(255, 255, 255, 0.02); }
.rich-content hr { border: none; border-top: 1px solid var(--color-border); margin: 2em 0; }
.rich-content u { text-decoration: none; border-bottom: 1px dashed var(--color-primary-light); }

/* ---------- 关于页 ---------- */
.about-intro { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 40px; padding: 44px; }
.about-intro-text h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 18px; }
.about-intro-text p { color: var(--color-text-2); font-size: 15.5px; }
.about-intro-stats {
  display: flex; flex-direction: column; justify-content: center; gap: 22px;
  padding-left: 40px; border-left: 1px solid var(--color-border);
}
.about-stats-note { color: var(--color-text-3); font-size: 14px; margin: 0; }
.about-big-stat .num {
  font-size: 46px; font-weight: 700; line-height: 1.1;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.about-big-stat .label { color: var(--color-text-2); font-size: 14.5px; }

.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.process-item { position: relative; text-align: center; padding: 30px 18px; overflow: hidden; }
.process-item:hover { transform: translateY(-6px); border-color: var(--color-border-strong); background: var(--color-card-hover); }
.process-icon { font-size: 26px; color: var(--color-primary-light); margin-bottom: 14px; }
.process-step {
  position: absolute; top: 12px; right: 16px; font-size: 26px; font-weight: 700;
  color: rgba(255, 255, 255, 0.07); line-height: 1;
}
.process-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.process-item p { font-size: 13px; color: var(--color-text-3); margin: 0; }

.about-ip-note { text-align: center; margin-top: 46px; font-size: 16px; font-weight: 700; color: var(--color-primary-light); }
.about-ip-note .bi { margin-right: 6px; }
.about-ip-note sup { font-size: 11px; }
.about-ip-tip { text-align: center; color: var(--color-text-3); font-size: 13px; margin-top: 6px; }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 26px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.info-block { padding: 24px 26px; }
.info-tel { display: flex; align-items: center; gap: 16px; color: var(--color-text); }
.info-tel:hover { color: var(--color-text); }
.info-tel .svc-icon { margin: 0; width: 52px; height: 52px; flex-shrink: 0; }
.info-tel small { display: block; color: var(--color-text-3); font-size: 12.5px; }
.info-tel strong { display: block; font-size: 21px; color: var(--color-primary-light); }
.info-mail p { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 10px; font-size: 14px; }
.info-mail p:last-child { margin-bottom: 0; }
.info-mail span { color: var(--color-text-3); flex-shrink: 0; }
.info-block .qr-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 4px; }
.info-block .qr-row img { border-radius: var(--radius-sm); }
.info-block .qr-row figcaption { font-size: 12px; }

.contact-form { padding: 30px 34px 34px; }
.contact-form h3 { margin-bottom: 20px; }
.form-alert { padding: 13px 18px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 14.5px; }
.form-ok { background: rgba(74, 222, 128, 0.1); border: 1px solid rgba(74, 222, 128, 0.35); color: #86efac; }
.form-err { background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.35); color: #fca5a5; }
.form-rows { display: flex; flex-direction: column; gap: 18px; }
.field label { display: block; font-size: 14px; font-weight: 700; color: var(--color-text-2); margin-bottom: 7px; }
.field em { color: #f87171; font-style: normal; }
.field input, .field textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: rgba(255, 255, 255, 0.04);
  color: var(--color-text); font-size: 15px; line-height: 1.6;
  transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-3); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 139, 255, 0.18);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field-error { display: block; margin-top: 6px; color: #fca5a5; font-size: 13px; }
.field-captcha .captcha-q { margin-left: 10px; color: var(--color-primary-light); font-weight: 700; font-variant-numeric: tabular-nums; }
.contact-form .btn { width: 100%; }
.form-note { color: var(--color-text-3); font-size: 12.5px; margin: 4px 0 0; text-align: center; }

/* ---------- 404 ---------- */
.page-404 { padding: calc(var(--nav-h) + 90px) 0 120px; text-align: center; }
.nf-code {
  font-size: clamp(90px, 16vw, 170px); font-weight: 700; line-height: 1; margin: 0;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.page-404 .hero-cta { margin-top: 26px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--color-border); background: var(--color-bg-soft); margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr; gap: 34px; padding: 56px 0 40px; }
.fcol { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.fcol h4 { font-size: 15px; color: var(--color-text); margin: 0 0 8px; }
.fcol a { color: var(--color-text-3); font-size: 14px; display: inline-flex; align-items: center; gap: 7px; }
.fcol a:hover { color: var(--color-primary-light); }
.fcol-brand p { color: var(--color-text-3); font-size: 13.5px; margin: 10px 0 0; max-width: 280px; }
.fcol-qrcode .qr-row { display: flex; gap: 14px; }
.qr-row figure { margin: 0; text-align: center; }
.qr-row img { width: 86px; height: 86px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-border); }
.qr-row figcaption { margin-top: 7px; font-size: 12px; color: var(--color-text-3); }
.footer-bottom { border-top: 1px solid var(--color-border); padding: 18px 0; }
.footer-bottom p { margin: 0; text-align: center; color: var(--color-text-3); font-size: 13px; display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-bottom a { color: var(--color-text-3); }
.footer-bottom a:hover { color: var(--color-primary-light); }
.police { display: inline-flex; align-items: center; gap: 5px; }
.police img { width: 14px; height: 14px; display: inline-block; }

/* ---------- 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .09s; }
.reveal.d2 { transition-delay: .18s; }
.reveal.d3 { transition-delay: .27s; }
.reveal.d4 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .shiny { animation: none; }
  .stat-dot { animation: none; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .product-grid, .solution-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 270px; }
  .contact-layout { grid-template-columns: 320px minmax(0, 1fr); }
}

@media (max-width: 990px) {
  .section { padding: 64px 0; }
  .product-grid, .solution-grid, .cat-grid, .adv-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { display: grid; grid-template-columns: 1fr 1fr; }
  .contact-info .info-block:first-child { grid-column: 1 / -1; }
  .about-intro { grid-template-columns: 1fr; gap: 28px; padding: 32px; }
  .about-intro-stats { flex-direction: row; align-items: center; padding: 22px 0 0; border-left: none; border-top: 1px solid var(--color-border); }
  .about-stats-note { margin: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-tel span { display: none; }
  /* 导航切换为抽屉 */
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; padding: 10px; margin-left: auto;
    background: transparent; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; width: 100%; background: var(--color-text); border-radius: 2px; transition: transform .25s, opacity .25s; }
  .navbar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .navbar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .navbar-inner { gap: 14px; }
  .nav-pill {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; margin-left: 0;
    background: rgba(7, 7, 13, 0.97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 24px 18px;
    transform: translateY(-120%); visibility: hidden;
    transition: transform .3s ease, visibility .3s;
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .navbar.nav-open .nav-pill { transform: none; visibility: visible; }
  .nav-pill a { padding: 14px 10px; border-radius: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); font-size: 16px; }
  .nav-pill a.active { background: none; box-shadow: none; color: var(--color-primary-light); }
  .navbar-actions { margin-left: auto; }
}

@media (max-width: 768px) {
  .container { width: min(1280px, 100% - 36px); }
  .home-hero { min-height: 88vh; }
  .home-hero-title { font-size: clamp(30px, 9vw, 44px); }
  .hero-cta .btn { flex: 1; min-width: 140px; }
  .home-hero-stat { margin-top: 32px; }
  .product-grid, .solution-grid, .cat-grid, .adv-grid, .adv-grid-3, .process-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .ni-img { width: 100%; aspect-ratio: 16 / 8; }
  .article-pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; align-items: flex-start; }
  .detail-card { padding: 22px; }
  .detail-cover { margin: -22px -22px 20px; aspect-ratio: 16 / 9; }
  .contact-info { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
  .field-pair { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 44px 0 30px; }
  .cta-box { padding: 44px 22px; }
  .cta-inline { flex-direction: column; align-items: flex-start; }
  .nav-cta { display: none; }
  .filter-bar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .chip { flex-shrink: 0; }
}