/* ==========================================================================
   成都迪瑞克电气有限公司 官网样式
   Industrial · Tech · Blue (#0F3878 / #2584E7 / #F5F7FA / #FFFFFF)
   ========================================================================== */

/* ---------- 0. 设计变量 ---------- */
:root {
  --c-primary:        #0F3878;   /* 主深蓝 */
  --c-primary-dark:   #0a2858;   /* 悬停更深 */
  --c-accent:         #2584E7;   /* 科技浅蓝 */
  --c-accent-soft:    #e8f2fc;   /* 浅蓝背景 */
  --c-bg:             #F5F7FA;   /* 浅灰背景 */
  --c-bg-soft:        #f9fafc;
  --c-white:          #FFFFFF;
  --c-text:           #1f2937;
  --c-text-muted:     #6b7280;
  --c-text-light:     #9ca3af;
  --c-border:         #e5e7eb;
  --c-border-strong:  #d1d5db;
  --c-success:        #10b981;
  --c-warn:           #f59e0b;
  --c-danger:         #ef4444;

  --shadow-sm:  0 1px 2px rgba(15,56,120,.06);
  --shadow-md:  0 4px 12px rgba(15,56,120,.08);
  --shadow-lg:  0 12px 32px rgba(15,56,120,.12);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;

  --container: 1200px;
  --nav-h:     72px;

  --ff-base:   -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-mono:   ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;

  --tr:  all .2s ease;
}

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-base);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--c-primary); text-decoration: none; transition: var(--tr); }
a:hover { color: var(--c-accent); }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding-left: 1.2em; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .6em; font-weight: 700; line-height: 1.3; color: var(--c-primary); }
h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; }

/* ---------- 2. 容器 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 3. 顶栏导航 ---------- */
.topbar {
  background: var(--c-primary);
  color: rgba(255,255,255,.85);
  font-size: 12px;
  line-height: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: #fff; }
.topbar .topbar-info span + span { margin-left: 18px; }
.topbar .topbar-info i { font-style: normal; opacity: .7; margin-right: 4px; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
  height: var(--nav-h);
}
.navbar .container { display: flex; align-items: center; height: 100%; gap: 20px; }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px; color: var(--c-primary);
  white-space: nowrap;
}
.nav-logo svg { flex-shrink: 0; }
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo .logo-text small { font-size: 10px; color: var(--c-text-muted); font-weight: 400; letter-spacing: .5px; }
.nav-menu { display: flex; list-style: none; gap: 4px; margin: 0; padding: 0; flex: 1; }
.nav-menu li { position: relative; }
.nav-menu a {
  display: block;
  padding: 0 12px;
  line-height: var(--nav-h);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--c-primary); }
.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: 14px;
  height: 2px; background: var(--c-accent); border-radius: 2px;
}
.nav-search { display: flex; align-items: center; }
.nav-search input {
  width: 195px; height: 36px; padding: 0 12px;
  border: 1px solid var(--c-border); border-radius: var(--radius-md);
  background: var(--c-bg); font-size: 13px; outline: none;
  transition: var(--tr);
}
.nav-search input:focus { border-color: var(--c-accent); background: #fff; box-shadow: 0 0 0 3px rgba(37,132,231,.12); }
.nav-toggle {
  display: none;
  background: transparent; border: 0; padding: 8px;
  font-size: 24px; color: var(--c-primary);
}
.nav-cta {
  background: var(--c-accent); color: #fff !important;
  padding: 8px 18px !important; line-height: 1 !important;
  border-radius: var(--radius-md);
}
.nav-cta:hover { background: var(--c-primary); }
.nav-cta::after { display: none !important; }

/* 移动端抽屉 */
.nav-drawer {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,40,88,.5);
}
.nav-drawer.open { display: block; }
.nav-drawer-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 280px; background: #fff;
  padding: 24px;
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto;
}
.nav-drawer-panel a {
  display: block; padding: 12px 14px;
  color: var(--c-text); border-radius: var(--radius-md);
  font-size: 15px;
}
.nav-drawer-panel a:hover, .nav-drawer-panel a.active {
  background: var(--c-accent-soft); color: var(--c-primary);
}
/* 抽屉里 .btn 系列保留按钮本身的颜色 + hover 底色(避免被浅蓝 hover 覆盖) */
.nav-drawer-panel a.btn { color: #fff; background: var(--c-primary); }
.nav-drawer-panel a.btn:hover { color: #fff; background: var(--c-accent); }
.nav-drawer-close {
  align-self: flex-end;
  background: transparent; border: 0; font-size: 24px;
  color: var(--c-text-muted); margin-bottom: 8px;
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--c-accent);
  color: #fff;
  text-align: center;
  cursor: pointer;
  transition: var(--tr);
  line-height: 1.4;
}
.btn:hover { background: var(--c-primary); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary { background: var(--c-primary); }
.btn-primary:hover { background: var(--c-accent); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn-light { background: #fff; color: var(--c-primary); }
.btn-light:hover { background: var(--c-accent-soft); color: var(--c-primary); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- 5. 通用区块 ---------- */
.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-bg { background: var(--c-bg); }
.section-dark { background: var(--c-primary); color: rgba(255,255,255,.92); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title .eyebrow {
  display: inline-block;
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 8px;
  font-weight: 600;
}
.section-title h2 {
  font-size: 30px; margin: 0 0 12px;
  position: relative; display: inline-block;
}
.section-title h2::after {
  content: ''; display: block;
  width: 40px; height: 3px; background: var(--c-accent);
  margin: 12px auto 0; border-radius: 2px;
}
.section-title p { color: var(--c-text-muted); max-width: 720px; margin: 0 auto; font-size: 15px; }

/* ---------- 6. 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 520px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15,56,120,.92) 0%, rgba(10,40,88,.85) 60%, rgba(37,132,231,.78) 100%),
    radial-gradient(ellipse at 80% 20%, rgba(37,132,231,.4), transparent 60%),
    linear-gradient(180deg, #0a2858 0%, #0F3878 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; padding: 80px 0 100px; max-width: 780px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  padding: 6px 14px; border-radius: 20px; font-size: 13px;
  color: #cde0f7; margin-bottom: 24px;
}
.hero-eyebrow::before { content: ''; width: 6px; height: 6px; background: #5ac8fa; border-radius: 50%; box-shadow: 0 0 8px #5ac8fa; }
.hero h1 {
  color: #fff;
  font-size: 46px; line-height: 1.2;
  margin: 0 0 20px; font-weight: 800;
  letter-spacing: -0.5px;
}
.hero h1 .accent { color: #5ac8fa; }
.hero .lead {
  font-size: 18px; line-height: 1.7;
  color: rgba(255,255,255,.85);
  max-width: 640px; margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 56px; padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stats .stat-num { font-size: 32px; font-weight: 800; color: #5ac8fa; line-height: 1; }
.hero-stats .stat-label { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 8px; }

/* ---------- 7. 卡片 ---------- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--tr);
  border: 1px solid var(--c-border);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-accent-soft); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 优势 */
.feature {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 24px; background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  transition: var(--tr);
}
.feature:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--c-accent-soft); }
.feature-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--c-accent-soft); color: var(--c-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature h4 { margin: 0 0 6px; color: var(--c-text); }
.feature p { margin: 0; color: var(--c-text-muted); font-size: 14px; line-height: 1.65; }

/* 产品卡 */
.product-card {
  display: block;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--tr);
  text-decoration: none;
  color: inherit;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-accent); color: inherit; }
.product-card .pc-image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f0f4f9 0%, #e8f2fc 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--c-border);
}
.product-card .pc-image svg { width: 60%; height: 60%; }
.product-card .pc-image .badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--c-primary); color: #fff;
  font-size: 11px; padding: 4px 10px; border-radius: 12px;
  font-weight: 600;
}
.product-card .pc-body { padding: 20px 22px 22px; }
.product-card .pc-body h3 { font-size: 17px; margin: 0 0 6px; color: var(--c-primary); }
.product-card .pc-body p { font-size: 13px; color: var(--c-text-muted); margin: 0 0 12px; line-height: 1.6; }
.product-card .pc-body .pc-link { font-size: 13px; font-weight: 600; color: var(--c-accent); }
.product-card:hover .pc-body .pc-link { color: var(--c-primary); }

/* 案例卡 */
.case-card {
  display: block; background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--c-border);
  text-decoration: none; color: inherit;
  transition: var(--tr);
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.case-card .cc-image {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0F3878, #2584E7);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.85); font-weight: 600;
}
.case-card .cc-image::after {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(255,255,255,.04) 14px, rgba(255,255,255,.04) 28px);
}
.case-card .cc-image .tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,.15); color: #fff;
  font-size: 11px; padding: 4px 10px; border-radius: 12px;
  backdrop-filter: blur(4px);
}
.case-card .cc-body { padding: 18px 20px 20px; }
.case-card .cc-body h4 { font-size: 15px; margin: 0 0 6px; color: var(--c-text); }
.case-card .cc-body p { font-size: 13px; color: var(--c-text-muted); margin: 0 0 8px; line-height: 1.55; }
.case-card .cc-body .meta { font-size: 12px; color: var(--c-text-light); }

/* 行业 */
.industry {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--tr);
}
.industry:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.industry-icon { width: 56px; height: 56px; color: var(--c-primary); }
.industry span { font-size: 14px; font-weight: 600; color: var(--c-text); }

/* 新闻 */
.news-item {
  display: flex; gap: 18px; padding: 18px 0; align-items: flex-start;
  border-bottom: 1px solid var(--c-border);
  transition: var(--tr);
}
.news-item:hover { background: var(--c-accent-soft); padding-left: 12px; padding-right: 12px; border-radius: var(--radius-md); transition: background .2s, padding .2s; }
.news-date {
  flex-shrink: 0; width: 76px; text-align: center;
  background: var(--c-bg); border-radius: var(--radius-md);
  padding: 10px 6px;
}
.news-date .d { font-size: 22px; font-weight: 800; color: var(--c-primary); line-height: 1; }
.news-date .m { font-size: 11px; color: var(--c-text-muted); margin-top: 4px; }
.news-body h4 { font-size: 15px; margin: 0 0 6px; }
.news-body h4 a { color: var(--c-text); }
.news-body h4 a:hover { color: var(--c-primary); }
.news-body p { font-size: 13px; color: var(--c-text-muted); margin: 0; line-height: 1.6; }

/* 暗色 section 内新闻条目 — 反色 */
.section-dark .news-item { border-bottom-color: rgba(255,255,255,.1); }
.section-dark .news-item:hover { background: rgba(255,255,255,.08); }
.section-dark .news-date { background: rgba(255,255,255,.08); }
.section-dark .news-date .d { color: #5ac8fa; }
.section-dark .news-date .m { color: rgba(255,255,255,.6); }
.section-dark .news-body h4 a { color: #fff; }
.section-dark .news-body h4 a:hover { color: #5ac8fa; }
.section-dark .news-body p { color: rgba(255,255,255,.7); }

/* ---------- 8. 关于我们页 ---------- */
.page-hero {
  background:
    linear-gradient(135deg, rgba(15,56,120,.95) 0%, rgba(37,132,231,.85) 100%),
    linear-gradient(180deg, #0a2858 0%, #0F3878 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 36px; margin: 0 0 12px; }
.page-hero .breadcrumb { color: rgba(255,255,255,.7); font-size: 14px; }
.page-hero .breadcrumb a { color: rgba(255,255,255,.85); }
.page-hero .breadcrumb a:hover { color: #fff; }

.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.about-text p { font-size: 15px; line-height: 1.85; color: #374151; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.about-stat {
  background: #fff; padding: 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--c-border); text-align: center;
  box-shadow: var(--shadow-sm);
}
.about-stat .num { font-size: 32px; font-weight: 800; color: var(--c-primary); line-height: 1; }
.about-stat .label { font-size: 13px; color: var(--c-text-muted); margin-top: 8px; }

/* 文化卡片 */
.value-card {
  padding: 28px; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--c-border); text-align: center;
  transition: var(--tr);
}
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.value-card .v-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  background: var(--c-accent-soft); color: var(--c-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
}
.value-card h4 { margin: 0 0 8px; }
.value-card p { color: var(--c-text-muted); font-size: 14px; margin: 0; line-height: 1.65; }

/* 资质 */
.qual-item {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f8fafc 0%, #e8f2fc 100%);
  border: 1px solid var(--c-border); border-radius: var(--radius-md);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--c-text-muted);
  font-size: 13px;
}
.qual-item svg { width: 48px; height: 48px; color: var(--c-accent); }

/* ---------- 9. 产品中心页 ---------- */
.products-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; }
.product-sidebar {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 8px; position: sticky; top: calc(var(--nav-h) + 16px); align-self: start;
}
.product-sidebar h4 { padding: 14px 16px 8px; font-size: 13px; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 1px; margin: 0; }
.product-sidebar ul { list-style: none; padding: 0; margin: 0; }
.product-sidebar li > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-radius: var(--radius-md);
  color: var(--c-text); font-size: 14px;
  border-left: 3px solid transparent;
}
.product-sidebar li > a:hover, .product-sidebar li > a.active {
  background: var(--c-accent-soft); color: var(--c-primary);
  border-left-color: var(--c-accent);
}
.product-sidebar .count { font-size: 12px; color: var(--c-text-light); background: var(--c-bg); padding: 1px 8px; border-radius: 10px; }

.products-toolbar {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  padding: 16px 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-md);
  margin-bottom: 24px;
}
.products-toolbar input, .products-toolbar select {
  height: 38px; padding: 0 14px; border: 1px solid var(--c-border); border-radius: var(--radius-md);
  font-size: 14px; outline: none; background: #fff; font-family: inherit;
}
.products-toolbar input { flex: 1; min-width: 200px; }
.products-toolbar input:focus, .products-toolbar select:focus { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(37,132,231,.1); }
.products-toolbar .result-count { font-size: 13px; color: var(--c-text-muted); margin-left: auto; }

/* 产品详情页 */
.product-detail-hero {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  color: #fff; padding: 64px 0;
}
.product-detail-hero .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.product-detail-hero h1 { color: #fff; font-size: 32px; margin: 0 0 12px; }
.product-detail-hero .model {
  display: inline-block; padding: 4px 12px; border-radius: 4px;
  background: rgba(255,255,255,.18); font-family: var(--ff-mono);
  font-size: 13px; margin-bottom: 16px;
}
.product-detail-hero p { color: rgba(255,255,255,.85); margin: 0; }
.product-detail-hero .pd-image {
  aspect-ratio: 4/3;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.15);
}
.product-detail-hero .pd-image svg { width: 70%; height: 70%; }

.product-tabs {
  display: flex; gap: 4px; padding: 4px; background: var(--c-bg);
  border-radius: var(--radius-md); margin: 32px 0 24px; flex-wrap: wrap;
}
.product-tabs button {
  background: transparent; border: 0; padding: 10px 18px;
  font-size: 14px; color: var(--c-text-muted); border-radius: var(--radius-sm);
  font-weight: 500;
}
.product-tabs button.active { background: #fff; color: var(--c-primary); box-shadow: var(--shadow-sm); }

/* 技术参数表 */
.spec-table {
  width: 100%; border-collapse: collapse; background: #fff;
  border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm);
  font-size: 14px;
}
.spec-table th, .spec-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.spec-table thead th {
  background: var(--c-primary); color: #fff; font-weight: 600;
  font-size: 14px;
}
.spec-table tbody tr:nth-child(even) { background: var(--c-bg-soft); }
.spec-table tbody tr:hover { background: var(--c-accent-soft); }
.spec-table td:first-child { color: var(--c-text); font-weight: 600; width: 30%; }
.spec-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- 10. 解决方案页 ---------- */
.solution-card {
  display: block; padding: 32px; background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); text-decoration: none; color: inherit;
  transition: var(--tr);
}
.solution-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-accent); }
.solution-card .s-tag {
  display: inline-block; background: var(--c-accent-soft); color: var(--c-primary);
  font-size: 12px; padding: 3px 10px; border-radius: 12px; margin-bottom: 12px;
  font-weight: 600;
}
.solution-card h3 { font-size: 19px; margin: 0 0 10px; }
.solution-card p { font-size: 14px; color: var(--c-text-muted); margin: 0 0 14px; }
.solution-card ul { list-style: none; padding: 0; margin: 0 0 16px; }
.solution-card ul li {
  font-size: 13px; color: var(--c-text); padding: 4px 0;
  display: flex; align-items: center; gap: 6px;
}
.solution-card ul li::before { content: '✓'; color: var(--c-accent); font-weight: 700; }

/* ---------- 11. 案例页 ---------- */
.cases-filter {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px;
  padding: 16px 20px; background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}
.cases-filter button {
  padding: 6px 16px; font-size: 13px; border-radius: 20px;
  background: var(--c-bg); border: 0; color: var(--c-text);
}
.cases-filter button.active, .cases-filter button:hover { background: var(--c-primary); color: #fff; }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 32px; }
.pagination a, .pagination span {
  min-width: 36px; height: 36px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); background: #fff; border: 1px solid var(--c-border);
  color: var(--c-text); font-size: 14px;
}
.pagination a:hover, .pagination .current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.pagination .disabled { opacity: .5; pointer-events: none; }

/* ---------- 12. 联系我们页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; }
.contact-info-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-sm);
}
.contact-info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--c-border); }
.contact-info-item:last-child { border-bottom: 0; }
.contact-info-item .ci-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--c-accent-soft); color: var(--c-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.contact-info-item h4 { margin: 0 0 4px; font-size: 15px; color: var(--c-text); }
.contact-info-item p { margin: 0; color: var(--c-text-muted); font-size: 14px; line-height: 1.6; }

.form-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.form-card h3 { margin: 0 0 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--c-text); font-weight: 500; }
.form-group label .req { color: var(--c-danger); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--c-border); border-radius: var(--radius-md);
  outline: none; transition: var(--tr);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(37,132,231,.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-msg { padding: 12px 16px; border-radius: var(--radius-md); font-size: 14px; display: none; }
.form-msg.success { display: block; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.form-msg.error { display: block; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.map-embed {
  aspect-ratio: 16/9; width: 100%; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--c-border); margin-top: 24px;
  background: var(--c-bg);
}
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- 13. 通用内容样式 ---------- */
.prose { max-width: 920px; margin: 0 auto; }
.prose h2 { font-size: 26px; margin: 40px 0 16px; padding-bottom: 12px; border-bottom: 2px solid var(--c-accent-soft); }
.prose h3 { font-size: 19px; margin: 28px 0 12px; color: var(--c-primary); }
.prose p { font-size: 15px; line-height: 1.85; color: #374151; }
.prose ul, .prose ol { padding-left: 1.4em; color: #374151; }
.prose li { margin: 6px 0; line-height: 1.75; }

.alert {
  padding: 14px 18px; border-radius: var(--radius-md);
  background: var(--c-accent-soft); color: var(--c-primary);
  border-left: 3px solid var(--c-accent);
  font-size: 14px; margin: 16px 0;
}

/* ---------- 14. 页脚 ---------- */
.footer {
  background: #0a2858;
  color: rgba(255,255,255,.7);
  padding: 56px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer h5 {
  color: #fff; font-size: 15px; margin: 0 0 18px; font-weight: 600;
  position: relative; padding-bottom: 10px;
}
.footer h5::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 28px; height: 2px; background: var(--c-accent);
}
.footer-about { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.65); }
.footer-about .f-logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
  color: #fff; font-size: 18px; font-weight: 700;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: rgba(255,255,255,.65); font-size: 14px; }
.footer ul a:hover { color: #fff; }
.footer-contact-item {
  display: flex; gap: 8px; margin-bottom: 12px; font-size: 13px;
  color: rgba(255,255,255,.65); line-height: 1.6;
}
.footer-contact-item svg { flex-shrink: 0; color: var(--c-accent); margin-top: 3px; }
.footer-qr {
  width: 96px; height: 96px; background: #fff; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-top: 12px; padding: 6px;
}
.footer-qr svg { width: 100%; height: 100%; }
.footer-bottom {
  padding: 18px 0; font-size: 12px;
  color: rgba(255,255,255,.5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: rgba(255,255,255,.85); }

/* ---------- 15. 浮动工具栏 ---------- */
.floating-tools {
  position: fixed; right: 20px; bottom: 80px;
  z-index: 99; display: flex; flex-direction: column; gap: 10px;
}
.floating-tools .tool-btn {
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1px solid var(--c-border);
  color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--tr);
  cursor: pointer;
  text-decoration: none;
}
.floating-tools .tool-btn:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }
.floating-tools .tool-btn svg { width: 20px; height: 20px; }
.floating-tools .tool-btn.consult { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.floating-tools .tool-btn.consult:hover { background: var(--c-primary); }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .products-layout { grid-template-columns: 220px 1fr; }
  .hero h1 { font-size: 38px; }
  .product-detail-hero .container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .nav-menu, .nav-search { display: none; }
  .nav-toggle { display: block; margin-left: auto; padding: 8px 12px; }
  .navbar .container { gap: 12px; padding: 0 20px; }
  .nav-cta { display: none !important; }
  .nav-drawer-panel { width: 80%; }

  .container { padding: 0 16px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }
  .section { padding: 48px 0; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-inner { padding: 48px 0 64px; }
  .hero h1 { font-size: 30px; }
  .hero .lead { font-size: 15px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px; padding-top: 24px; }
  .hero-stats .stat-num { font-size: 24px; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }

  .products-layout { grid-template-columns: 1fr; }
  .product-sidebar { position: static; }
  .product-sidebar ul { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .page-hero { padding: 56px 0 40px; }
  .page-hero h1 { font-size: 26px; }

  .product-detail-hero { padding: 40px 0; }
  .product-detail-hero h1 { font-size: 24px; }

  .floating-tools { right: 12px; bottom: 16px; }
  .floating-tools .tool-btn { width: 42px; height: 42px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .product-sidebar ul { grid-template-columns: 1fr; }
  .section-title h2 { font-size: 24px; }
}

/* 搜索结果高亮 */
mark.search-hl { background: #fff3a3; color: #1f2937; padding: 0 2px; border-radius: 2px; }

/* 加载隐藏 */
[hidden] { display: none !important; }