/* =========================================================
   AVR 独立站 - 全局样式
   风格：阿特拉斯式简洁大气企业站
   配色：深蓝主色 + 橙点缀 + 白底干净
   ========================================================= */
:root {
  --navy: #0a1f44;       /* 深蓝主色 */
  --navy-2: #12306b;     /* 稍亮深蓝 */
  --navy-3: #1b3a7a;
  --orange: #f5821f;     /* 橙色点缀(仅 CTA) */
  --orange-dark: #e06d00;/* 橙加深(统一 hover) */
  --bg: #ffffff;         /* 页面白底 */
  --bg-soft: #f5f7fa;    /* 浅灰蓝背景 */
  --text: #1c1f26;       /* 主文字 */
  --text-muted: #6b7280; /* 次要文字 */
  --border: #e5e8ef;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(10,31,68,.10); /* 更明显的层次阴影 */
  --shadow-lg: 0 12px 36px rgba(10,31,68,.14);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
/* 锚点跳转时避开吸顶导航 */
section[id], [id] { scroll-margin-top: 92px; }
body {
  font-family: "Microsoft YaHei","PingFang SC","Segoe UI",Arial,sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--navy); color: #fff; }
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
.container { max-width:1200px; margin:0 auto; padding:0 5%; }

/* ============ 顶部深蓝导航条 ============ */
.topbar {
  background: var(--navy);
  color:#fff;
  font-size:13px;
}
.topbar .container {
  display:flex; justify-content:space-between; align-items:center;
  height:38px;
}
.topbar-left span { margin-right:18px; color:#c6d2ea; }
.topbar-left i { color:var(--orange); font-style:normal; margin-right:4px; }
.topbar-right a { color:#c6d2ea; margin-left:16px; }
.topbar-right a:hover { color:#fff; }

/* ============ 主导航 ============ */
.main-nav {
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:100;
  box-shadow: 0 2px 10px rgba(10,31,68,.05);
}
.main-nav .container {
  display:flex; justify-content:space-between; align-items:center;
  height:72px;
}
.logo { display:flex; align-items:center; gap:10px; }
.logo .logo-icon {
  width:42px; height:42px; border-radius:8px;
  background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:22px; font-weight:700;
}
.logo .logo-text { font-size:22px; font-weight:700; color:var(--navy); letter-spacing:.5px; }
.logo .logo-sub { font-size:11px; color:var(--text-muted); display:block; line-height:1.3; }
nav ul { display:flex; gap:8px; list-style:none; align-items:center; }
nav ul li a {
  display:block; padding:8px 16px;
  color:#333; font-size:15px; font-weight:500;
  border-radius:6px; transition:.2s;
}
nav ul li a:hover, nav ul li a.active { color:var(--orange); background:#fff7ee; }
.lang-switch { display:flex; gap:4px; margin-left:12px; }
.lang-switch button {
  border:1px solid var(--border); background:#fff;
  padding:5px 10px; border-radius:6px; cursor:pointer;
  font-size:13px; color:#555; transition:.2s;
}
.lang-switch button.active { background:var(--navy); color:#fff; border-color:var(--navy); }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; }

/* 导航搜索框 */
.nav-search { margin-left:12px; }
.nav-search-form {
  position: relative;
  display:flex; align-items:center;
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:20px;
  padding:0 4px 0 14px;
  transition:.2s;
}
.nav-search-form:focus-within { border-color:var(--orange); background:#fff; }
.nav-search-form input {
  border:none; background:transparent; outline:none;
  font-size:14px; color:var(--text);
  padding:7px 0; width:150px;
}
.nav-search-form input::placeholder { color:#aab; }
.nav-search-form button {
  border:none; background:var(--navy); color:#fff;
  width:30px; height:30px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; flex-shrink:0; transition:.2s;
}
.nav-search-form button:hover { background:var(--orange); }

/* 搜索建议下拉（首页 hero / 导航搜索框） */
.search-suggest {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  margin-top: 6px; background: #fff; border-radius: 12px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  overflow: hidden; z-index: 200; max-height: 360px; overflow-y: auto;
}
.search-suggest .ss-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; text-decoration: none; color: inherit;
  border-bottom: 1px solid var(--border); transition: .15s;
}
.search-suggest .ss-item:last-child { border-bottom: none; }
.search-suggest .ss-item:hover { background: #fff7ee; }
.ss-emoji { font-size: 22px; flex-shrink: 0; }
.ss-name { flex: 1; font-size: 14px; font-weight: 600; color: var(--text); }
.ss-model { font-size: 12px; color: var(--orange); font-weight: 700; letter-spacing: .5px; }

/* 搜索高亮统计 + 空结果 */
.search-hl { color: var(--orange); }
.search-none {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.search-none .sn-icon { font-size: 48px; margin-bottom: 12px; }
.search-none .sn-title { font-size: 18px; font-weight: 700; color: var(--text); margin: 0 0 8px; }
.search-none .sn-hint { font-size: 14px; color: var(--text-muted); margin: 0 0 20px; line-height: 1.6; }
.search-none .sn-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.search-none .sn-link { font-size: 14px; padding: 11px 20px; border-radius: 10px; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; word-break: break-all; }
.search-none .sn-link.btn-primary { background: var(--orange); color: #fff; border: none; }
.search-none .sn-link.btn-primary:hover { filter: brightness(1.05); }
.search-none .sn-clear { font-size: 13px; }
.search-results .sr-none { padding: 36px 20px; }

/* 首页 hero 搜索结果面板（就地展示，不跳转） */
.search-results {
  position: fixed; z-index: 1000;
  background: #fff; border-radius: 16px; box-shadow: 0 18px 50px rgba(10,20,35,.28);
  border: 1px solid var(--border); padding: 18px;
  max-height: 60vh; overflow-y: auto;
}
.search-results .sr-head {
  font-size: 13px; color: var(--text-muted); margin-bottom: 14px;
  font-weight: 600; padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.search-results .sr-head .search-hl { color: var(--orange); }
.sr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sr-card {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--border); border-radius: 12px; padding: 12px;
  transition: .2s;
}
.sr-card:hover { border-color: var(--orange); box-shadow: var(--shadow); }
.sr-thumb {
  width: 56px; height: 56px; flex-shrink: 0; border-radius: 10px;
  background: var(--bg-soft); display: flex; align-items: center; justify-content: center;
  font-size: 30px; text-decoration: none;
}
.sr-body { min-width: 0; flex: 1; }
.sr-model { display: inline-block; font-size: 11px; color: var(--orange); font-weight: 700; letter-spacing: .5px; }
.sr-body h4 { margin: 3px 0 4px; font-size: 15px; }
.sr-body h4 a { color: var(--text); text-decoration: none; }
.sr-body h4 a:hover { color: var(--orange); }
.sr-body p { font-size: 12px; color: var(--text-muted); margin: 0 0 8px; line-height: 1.5; }
.sr-btn { font-size: 12px; color: var(--orange); font-weight: 600; text-decoration: none; }
.sr-btn:hover { text-decoration: underline; }

/* ============ Hero 首屏 ============ */
.hero {
  /* 背景图由 cms-hero.css 的 .hero::before 负责,这里不再叠蓝色渐变,让图完整显示 */
  background: transparent;
  color:#fff;
  padding: 88px 0 92px;
  position:relative; overflow:hidden;
}
/* 深色遮罩由 cms-hero.css 的 .hero::after 负责 */
.hero .container { position:relative; z-index:2; }
.hero-tag {
  display:inline-block;
  border:1px solid rgba(255,255,255,.3);
  color:#ffd6a8; font-size:13px;
  padding:5px 16px; border-radius:30px; margin-bottom:22px;
}
.hero h1 {
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight:700; line-height:1.25; margin-bottom:20px;
  max-width:720px;
}
.hero h1 .hl { color:var(--orange); }
.hero p.desc {
  font-size:17px; color:#d3dcef; max-width:640px; margin-bottom:34px;
}
.hero-btns { display:flex; gap:16px; flex-wrap:wrap; }

/* 首页 hero 大搜索栏 */
.hero-search { margin-top: 30px; max-width: 520px; position: relative; }
.hero-search-form {
  position: relative;
  display: flex; align-items: center;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(10,31,68,.18);
  padding: 6px 6px 6px 22px;
}
.hero-search-form input {
  flex: 1; border: none; background: transparent; outline: none;
  font-size: 16px; color: var(--text); padding: 12px 0;
  min-width: 0;
}
.hero-search-form input::placeholder { color: #9aa; }
.hero-search-form button {
  display: flex; align-items: center; gap: 8px;
  border: none; background: var(--navy); color: #fff;
  padding: 12px 26px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  white-space: nowrap; transition: .2s;
}
.hero-search-form button:hover { background: var(--orange); }
.btn {
  display:inline-block; padding:13px 30px; border-radius:50px;
  font-size:15px; font-weight:600; cursor:pointer; transition:.2s; border:none;
}
.btn-primary { background:var(--orange); color:#fff; }
.btn-primary:hover { background:var(--orange-dark); transform:translateY(-2px); box-shadow:0 6px 20px rgba(245,130,31,.4); }
.btn-outline { background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.5); }
.btn-outline:hover { background:rgba(255,255,255,.1); border-color:#fff; }
.btn-navy { background:var(--navy); color:#fff; }
.btn-navy:hover { background:var(--navy-2); }
.btn-white { background:#fff; color:var(--navy); }
.btn-white:hover { background:#eef2f9; }

/* Hero 底部统计条 */
.hero-stats {
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
  margin-top:56px;
}
.stat {
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius); padding:20px; backdrop-filter:blur(4px);
}
.stat b { font-size:34px; color:var(--orange); display:block; line-height:1.1; }
.stat span { font-size:13px; color:#c6d2ea; }

/* ============ 区块通用 ============ */
.section { padding: 80px 0; }
.section.soft { background:var(--bg-soft); }
.section-head { text-align:center; max-width:700px; margin:0 auto 48px; }
.section-head .kicker {
  color:var(--orange); font-size:13px; letter-spacing:.5px; font-weight:700;
  text-transform:uppercase; margin-bottom:10px;
}
.section-head h2 { font-size:clamp(26px,3vw,36px); color:var(--navy); font-weight:700; }
.section-head p { color:var(--text-muted); margin-top:12px; }

/* ============ 产品区域(分类卡片) ============ */
.cat-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.cat-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:32px 28px; text-align:center; transition:.25s; cursor:pointer;
}
.cat-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); border-color:var(--orange); }
.cat-card .icon {
  width:64px; height:64px; margin:0 auto 18px; border-radius:16px;
  background:var(--navy); color:#fff; font-size:30px;
  display:flex; align-items:center; justify-content:center;
}
.cat-card h3 { font-size:18px; color:var(--navy); margin-bottom:8px; }
.cat-card p { font-size:14px; color:var(--text-muted); margin-bottom:16px; }
.cat-card .more { color:var(--orange); font-size:14px; font-weight:600; }

/* ============ 产品页分类筛选 tab ============ */
.cat-tabs {
  display:flex; flex-wrap:wrap; gap:12px; justify-content:center;
  margin-bottom:36px;
}
.cat-tab {
  display:inline-block; padding:10px 22px; border-radius:50px;
  border:1.5px solid var(--border); background:#fff; color:var(--navy);
  font-size:14px; font-weight:600; text-decoration:none; transition:.2s;
}
.cat-tab:hover { border-color:var(--orange); color:var(--orange); }
.cat-tab.active {
  background:var(--orange); border-color:var(--orange); color:#fff;
  box-shadow:0 4px 14px rgba(245,130,31,.35);
}

/* ============ 产品列表卡片 ============ */
.product-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.product-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; transition:.25s;
}
.product-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); border-color:var(--orange); }
.product-thumb {
  aspect-ratio:4/3; background:var(--bg-soft);
  display:flex; align-items:center; justify-content:center;
  font-size:56px;
}
.product-body { padding:20px; }
.product-body h3 { font-size:17px; color:var(--navy); margin-bottom:6px; }
.product-body p { font-size:13px; color:var(--text-muted); margin-bottom:12px; min-height:38px; }
.product-body .model {
  display:inline-block; background:#fff7ee; color:var(--orange);
  font-size:12px; padding:3px 10px; border-radius:20px; font-weight:600;
}

/* ============ 特点 (为什么选我们) ============ */
.feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.feature {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius);
  padding:30px 26px; transition:.25s;
}
.feature:hover { box-shadow:var(--shadow); transform:translateY(-4px); }
.feature .icon { font-size:38px; margin-bottom:14px; }
.feature h3 { font-size:17px; color:var(--navy); margin-bottom:8px; }
.feature p { font-size:14px; color:var(--text-muted); }

/* ============ 联系 CTA 大区 ============ */
.cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color:#fff; padding:64px 0; text-align:center;
}
.cta h2 { font-size:clamp(24px,3vw,34px); margin-bottom:14px; }
.cta p { color:#c6d2ea; max-width:600px; margin:0 auto 30px; font-size:15px; }
.cta-contacts { display:flex; justify-content:center; gap:30px; flex-wrap:wrap; margin-top:28px; }
.cta-contact { display:flex; align-items:center; gap:12px; }
.cta-contact .ci {
  width:46px; height:46px; border-radius:50%;
  background:rgba(245,130,31,.2); display:flex; align-items:center; justify-content:center;
  font-size:22px;
}
.cta-contact .tt { font-size:12px; color:#8fa0c4; }
.cta-contact .vv { font-size:16px; font-weight:700; color:#fff; }

/* ============ 页脚 ============ */
footer { background:#081430; color:#aab6d0; font-size:14px; }
.footer-main .container {
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:36px;
  padding-top:56px; padding-bottom:40px;
}
.footer-main h4 { color:#fff; font-size:16px; margin-bottom:16px; }
.footer-main p { color:#8fa0c4; line-height:1.9; }
.footer-main ul { list-style:none; }
.footer-main ul li { margin-bottom:10px; }
.footer-main ul li a { color:#8fa0c4; }
.footer-main ul li a:hover { color:var(--orange); }
.f-contact li { display:flex; gap:10px; align-items:center; color:#8fa0c4; }
.f-contact .cfi { color:var(--orange); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0; font-size:13px; text-align:center; color:#6b7ba0;
}
.footer-bottom .container { display:flex; flex-direction:column; gap:16px; align-items:center; }
.social-links { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.social-link {
  width:38px; height:38px; border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center;
  color:#aab6d0; transition:.25s;
}
.social-link svg { width:20px; height:20px; }
.social-link:hover {
  background:var(--orange); color:#fff;
  transform:translateY(-3px);
}

/* ============ 页面头部(内页横幅) ============ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color:#fff; padding:56px 0; text-align:center;
}
.page-hero h1 { font-size:33px; font-weight:700; margin-bottom:8px; }
.page-hero p { color:#c6d2ea; font-size:15px; }

/* ============ 联系页 ============ */
.contact-grid { display:grid; grid-template-columns:1fr 1.2fr; gap:40px; }
.contact-info h2, .contact-form h2 { color:var(--navy); font-size:24px; margin-bottom:20px; }
.cinfo-block {
  display:flex; gap:16px; padding:20px 0;
  border-bottom:1px solid var(--border);
}
.cinfo-block .ic {
  width:48px; height:48px; border-radius:12px; flex-shrink:0;
  background:#fff7ee; color:var(--orange); font-size:22px;
  display:flex; align-items:center; justify-content:center;
}
.cinfo-block b { font-size:16px; color:var(--navy); display:block; margin-bottom:4px; }
.cinfo-block span { font-size:15px; color:#333; }
.cinfo-block small { display:block; color:var(--text-muted); font-size:13px; }
.qr-wrap { margin-top:22px; text-align:center; }
.qr-placeholder {
  width:170px; height:170px; margin:0 auto;
  border:2px dashed var(--border); border-radius:12px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  color:var(--text-muted); font-size:13px; background:var(--bg-soft);
}

/* 询盘表单 */
.contact-form { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:32px; box-shadow:var(--shadow); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:14px; font-weight:600; color:#333; margin-bottom:7px; }
.form-group label .req { color:var(--orange); }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:11px 14px; border:1px solid var(--border);
  border-radius:8px; font-size:15px; font-family:inherit;
  color:var(--text); transition:.2s; background:#fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline:none; border-color:var(--orange); box-shadow:0 0 0 3px rgba(245,130,31,.12);
}
.form-group textarea { min-height:110px; resize:vertical; }
.radio-group { display:flex; flex-wrap:wrap; gap:12px 18px; }
.radio-group label {
  display:flex; align-items:center; gap:6px; font-size:14px; font-weight:400;
  color:var(--text); cursor:pointer; margin-bottom:0;
}
.radio-group input { width:auto; margin:0; accent-color:var(--orange); }
.form-note { font-size:12px; color:var(--text-muted); margin-top:10px; }
.form-msg {
  margin-top:14px; padding:12px 16px; border-radius:8px; font-size:14px; display:none;
}
.form-msg.ok { display:block; text-align:center; font-size:16px; font-weight:600; padding:18px 16px; border-radius:10px; background:#e7f8ee; color:#1a7f45; border:1px solid #b5e8c8; }
.form-msg.err { display:block; background:#fdeaea; color:#b3261e; border:1px solid #f5c6c6; }

/* ============ 产品详情页 (Atlas 风格) ============ */
.detail-main { padding: 40px 0 70px; }
.pd-head { display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom:24px; }
.pd-back { color: var(--orange); font-weight:600; font-size:14px; text-decoration:none; }
.pd-back:hover { text-decoration:underline; }
.pd-breadcrumb { font-size:13px; color: var(--text-muted); }
.pd-breadcrumb span { margin:0 4px; color: var(--border); }
.pd-breadcrumb .cur { color: var(--navy); font-weight:600; }

.pd-top { display:grid; grid-template-columns: 1fr 1fr; gap:48px; align-items:start; margin-bottom:40px; }
.pd-gallery { min-width:0; }
.pd-img {
  background: var(--bg-soft); border:1px solid var(--border); border-radius: var(--radius);
  aspect-ratio: 4/3; display:flex; align-items:center; justify-content:center;
  font-size:120px; color: var(--navy); overflow:hidden;
}
.pd-img img { width:100%; height:100%; object-fit:contain; display:block; background:#fff; }
.pd-img-note { font-size:12px; color: var(--text-muted); margin-top:8px; }
.pd-img { cursor:zoom-in; position:relative; }
.pd-zoom-hint {
  position:absolute; right:12px; bottom:12px; width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,.55); color:#fff; border-radius:50%;
  opacity:0; transition:opacity .2s, transform .2s; pointer-events:none; transform:translateY(4px);
}
.pd-img:hover .pd-zoom-hint { opacity:1; transform:translateY(0); }
.pd-img-emoji { cursor:default; }
.pd-img-emoji .pd-zoom-hint { display:none; }
.pd-thumbs { display:flex; gap:10px; margin-top:12px; flex-wrap:wrap; }
.pd-thumb {
  width:72px; height:54px; border:2px solid var(--border); border-radius:6px;
  overflow:hidden; cursor:pointer; background:#fff; transition:.15s;
}
.pd-thumb img { width:100%; height:100%; object-fit:contain; display:block; background:#fff; }
.pd-thumb.active { border-color: var(--orange); }
.pd-thumb:hover { border-color: var(--orange); }

/* lightbox 放大预览 */
.pd-lightbox {
  position:fixed; inset:0; background:rgba(0,0,0,.9); z-index:2000;
  display:flex; align-items:center; justify-content:center; flex-direction:column;
}
.pd-lb-img { max-width:88vw; max-height:72vh; display:flex; align-items:center; justify-content:center; }
.pd-lb-img img { max-width:88vw; max-height:72vh; object-fit:contain; }
.pd-lb-btn {
  position:absolute; top:50%; transform:translateY(-50%); width:48px; height:64px;
  border:none; background:rgba(255,255,255,.12); color:#fff; font-size:34px; cursor:pointer;
  line-height:1; border-radius:6px;
}
.pd-lb-btn:hover { background:rgba(255,255,255,.25); }
.pd-lb-prev { left:20px; }
.pd-lb-next { right:20px; }
.pd-lb-close {
  position:absolute; top:18px; right:20px; width:44px; height:44px; border:none;
  background:rgba(255,255,255,.15); color:#fff; font-size:30px; cursor:pointer; border-radius:50%;
  line-height:1;
}
.pd-lb-close:hover { background:rgba(255,255,255,.3); }
.pd-lb-count { color:#fff; font-size:14px; margin-top:14px; }
.pd-lb-thumbs { display:flex; gap:8px; margin-top:14px; flex-wrap:wrap; justify-content:center; }
.pd-lb-thumbs img {
  width:56px; height:42px; object-fit:cover; border:2px solid transparent; cursor:pointer; border-radius:4px;
}
.pd-lb-thumbs img.active { border-color:#f5821f; }


.pd-info { min-width:0; }
.pd-meta { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:14px; }
.pd-series {
  display:inline-block; background: var(--navy); color:#fff;
  font-size:12.5px; font-weight:600; padding:4px 12px; border-radius:20px; letter-spacing:.3px;
}
.pd-sku { font-size:13px; color: var(--text-muted); }
.pd-title { font-size:30px; line-height:1.3; color: var(--navy); font-weight:700; margin-bottom:16px; }
.pd-desc { font-size:15.5px; color: var(--text-muted); line-height:1.8; margin-bottom:24px; }
.pd-cta {
  display:inline-block; background: var(--orange); color:#fff;
  font-size:16px; font-weight:700; padding:14px 48px; border-radius:8px;
  text-decoration:none; transition:.2s; border:none; cursor:pointer;
}
.pd-cta:hover { background: var(--orange-dark); }

/* 分享按钮组 */
.pd-share { margin-top:22px; display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.pd-share-label { font-size:14px; color: var(--text-muted); font-weight:600; }
.pd-share-btns { display:flex; gap:8px; flex-wrap:wrap; }
.pd-share-btn {
  width:38px; height:38px; border-radius:8px; border:1px solid var(--border);
  background:#fff; color:var(--navy); display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:.15s;
}
.pd-share-btn:hover { border-color: var(--orange); color: var(--orange); transform:translateY(-2px); box-shadow:0 4px 10px rgba(0,0,0,.08); }
/* 微信二维码弹窗 */
.pd-share-qr {
  position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:2100;
  display:flex; align-items:center; justify-content:center;
}
.pd-share-qr-box {
  background:#fff; border-radius:12px; padding:22px 26px; text-align:center; position:relative;
  max-width:260px;
}
.pd-share-qr-box img { width:180px; height:180px; display:block; margin:0 auto; }
.pd-share-qr-box p { margin:12px 0 0; font-size:13.5px; color:var(--text-muted); }
.pd-share-qr-box button {
  position:absolute; top:8px; right:10px; border:none; background:none; font-size:22px;
  cursor:pointer; color:#999;
}

.pd-tabs { display:flex; gap:4px; border-bottom:2px solid var(--border); margin-bottom:24px; }
.pd-tab {
  background:none; border:none; border-bottom:3px solid transparent;
  font-size:16px; font-weight:600; color:var(--text-muted); padding:12px 20px; cursor:pointer;
  transition:.15s; margin-bottom:-2px;
}
.pd-tab:hover { color: var(--navy); }
.pd-tab.active { color: var(--navy); border-bottom-color: var(--orange); }

.pd-panel { animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity:0; transform:translateY(4px);} to { opacity:1; transform:none; } }
.pd-points { margin:0; padding-left:22px; color:var(--text); }
.pd-points li { font-size:15px; line-height:2; margin-bottom:8px; }
.pd-empty { color:var(--text-muted); font-size:14px; padding:20px 0; }

.btn-back {
  display:inline-block; margin-bottom:26px; color:var(--orange);
  font-weight:600; font-size:14px;
}
.btn-back:hover { text-decoration:underline; }

/* 产品详情页参数表 */
.spec-table { width:100%; border-collapse:collapse; margin:0; }
.spec-table th, .spec-table td {
  border:1px solid var(--border); padding:12px 16px; text-align:left; font-size:14px;
}
.spec-table th { background:var(--bg-soft); color:var(--navy); font-weight:700; width:40%; }
.spec-table tr:nth-child(even) td { background:#fafafa; }

/* 应用领域详情页（application-detail 使用） */
.detail-wrap { display:grid; grid-template-columns:1fr 1.2fr; gap:44px; align-items:start; }
.detail-img {
  background:var(--bg-soft); border:1px solid var(--border); border-radius:var(--radius);
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center;
  font-size:110px; color:var(--navy); overflow:hidden;
}
.detail-img img { width:100%; height:100%; object-fit:cover; display:block; }
.app-desc { color:var(--navy); font-size:18px; font-weight:600; line-height:1.7; margin-bottom:20px; }
.app-detail-text { color:var(--text-muted); font-size:15px; line-height:1.9; margin-bottom:26px; white-space:pre-wrap; }

/* ============ 响应式 ============ */
@media (max-width:992px) {
  .cat-grid, .feature-grid { grid-template-columns:repeat(2,1fr); }
  .product-grid { grid-template-columns:repeat(3,1fr); }
  .hero-stats { grid-template-columns:repeat(2,1fr); }
  .footer-main .container { grid-template-columns:1fr 1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .detail-wrap { grid-template-columns:1fr; }
  .pd-top { grid-template-columns:1fr; gap:28px; }
  .pd-title { font-size:24px; }
}
@media (max-width:820px) {
  .menu-toggle { display:block; }
  nav ul {
    display:none; position:absolute; top:72px; left:0; right:0;
    background:#fff; flex-direction:column; padding:16px 5%;
    border-bottom:1px solid var(--border); box-shadow:var(--shadow);
  }
  nav ul.open { display:flex; }
  .lang-switch { margin-left:0; }
  .nav-search { margin-left:0; width:100%; }
  .nav-search-form { width:100%; }
  .nav-search-form input { width:100%; }
}
@media (max-width:600px) {
  .cat-grid, .feature-grid, .product-grid { grid-template-columns:1fr; }
  .pd-cta { display:block; text-align:center; }
  .pd-tabs { width:100%; }
  .pd-tab { flex:1; text-align:center; padding:12px 8px; }
  .form-row { grid-template-columns:1fr; }
  .footer-main .container { grid-template-columns:1fr; }
  .cta-contacts { flex-direction:column; align-items:center; }
  .prods-toolbar { flex-direction:column; align-items:stretch; gap:12px; }
  .prods-search input { width:100%; }
  .hero-search-form button span { display:none; }
  .hero-search-form button { padding:12px 16px; }
  .sr-grid { grid-template-columns:1fr; }
}

/* ============ 非 Hero 板块背景图（.has-bg） ============ */
/* 由 sections.js 给设了背景图的板块加上 .has-bg 类。
   背景图清晰显示 + 一层深色遮罩，让标题/文字浮层可读。 */
section.has-bg {
  position: relative;
  background-size: cover !important;
  background-position: center !important;
  background-blend-mode: normal !important;
}
section.has-bg::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,20,35,.58);
  z-index: 0;
  pointer-events: none;
}
section.has-bg > .container {
  position: relative;
  z-index: 1;
}
/* 背景图板块内，标题区文字改为浅色，保证在深色遮罩上可读 */
section.has-bg .section-head h2 { color: #fff; }
section.has-bg .section-head p { color: #c6d2ea; }
section.has-bg .section-head .kicker { color: var(--orange); }
/* 深色遮罩下，白卡片(.cat-card/.feature)仍白底、文字深色，保持原样可读；
   如 CTA 本身深底白字，背景图 + 遮罩更自然，无需额外处理 */

/* ============ 产品页：左侧分类栏 + 网格卡片（Atlas Copco 风格） ============ */
.prods-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}
.prods-side {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 90px;
}
.prods-side-title {
  font-size: 12px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--orange);
  margin-bottom: 14px;
}
.cat-sides { display: flex; flex-direction: column; gap: 2px; }
.cat-side {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 600; color: var(--navy);
  text-decoration: none; transition: .18s;
}
.cat-side:hover { background: var(--bg-soft); color: var(--orange); }
.cat-side.active { background: var(--orange); color: #fff; }
.cat-side .cs-count {
  min-width: 26px; text-align: center;
  font-size: 12px; font-weight: 700;
  background: var(--bg-soft); color: var(--text-muted);
  border-radius: 20px; padding: 2px 9px;
}
.cat-side.active .cs-count { background: rgba(255,255,255,.25); color: #fff; }

.prods-main { min-width: 0; }
.prods-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.prods-toolbar #prod-count {
  font-size: 14px; color: var(--text-muted); font-weight: 600;
}
.prods-search {
  display: flex; align-items: center;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 20px; padding: 0 4px 0 14px; transition: .2s;
}
.prods-search:focus-within { border-color: var(--orange); background: #fff; }
.prods-search input {
  border: none; background: transparent; outline: none;
  font-size: 14px; padding: 7px 0; width: 180px; color: var(--text);
}
.prods-search input::placeholder { color: #aab; }
.prods-search button {
  border: none; background: var(--navy); color: #fff;
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0; transition: .2s;
}
.prods-search button:hover { background: var(--orange); }

/* 产品网格卡片 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: .25s;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--orange); }
.pcard-thumb {
  aspect-ratio: 4/3; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 64px; cursor: pointer; overflow: hidden;
}
.pcard-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pcard-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.pcard-body .pcard-cat {
  display: inline-block; font-size: 12px; color: var(--text-muted);
  margin-bottom: 6px; letter-spacing: .3px;
}
.pcard-body .pcard-model {
  font-size: 22px; color: var(--navy); font-weight: 800; margin-bottom: 4px;
  line-height: 1.2; letter-spacing: .2px;
}
.pcard-body .pcard-model a:hover { color: var(--orange); }
.pcard-body .pcard-name {
  font-size: 14px; color: var(--orange); font-weight: 600; margin-bottom: 8px;
}
.pcard-body .pcard-desc {
  font-size: 13px; color: var(--text-muted); flex: 1; margin-bottom: 14px; line-height: 1.6;
}
.pcard-btn {
  display: block; text-align: center; text-decoration: none;
  background: var(--orange); color: #fff; font-weight: 700; font-size: 14px;
  padding: 10px; border-radius: 8px; transition: .2s;
}
.pcard-btn:hover { background: var(--orange-dark); }

@media (max-width: 992px) {
  .prods-layout { grid-template-columns: 1fr; }
  .prods-side { position: static; }
  .cat-sides { flex-direction: row; flex-wrap: wrap; }
  .cat-side .cs-count { margin-left: 8px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* ============ Atlas Copco 风格卡片（首页分类 + 为什么选择我们） ============ */
/* 顶部媒体区（真实图或 emoji）+ 深色文字区 + 底部“点击查看详情 →”链路 */
.ac-grid,
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ac-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: .25s;
}
.ac-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--orange);
}
.ac-media {
  display: block;
  aspect-ratio: 4/3;
  background: var(--bg-soft);
  overflow: hidden;
}
.ac-media img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  transition: .35s;
}
.ac-card:hover .ac-media img { transform: scale(1.06); }
.ac-media-emoji {
  display: flex; align-items: center; justify-content: center;
  font-size: 64px;
}
.ac-body {
  display: flex; flex-direction: column; gap: 6px;
  padding: 18px 20px 8px;
  background: var(--navy);
}
.ac-title {
  font-size: 17px; font-weight: 700;
  color: #fff;
}
.ac-desc { color: #c6d2ea; font-size: 13px; line-height: 1.5; flex: 1; }
.ac-more {
  display: block;
  background: var(--navy);
  color: var(--orange);
  font-size: 13px; font-weight: 700;
  padding: 0 20px 18px;
  transition: .2s;
}
.ac-card:hover .ac-more { color: #fff; }

@media (max-width: 992px) {
  .ac-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ac-grid, .cat-grid { grid-template-columns: 1fr; }
}

/* ============ 首页「特色产品」板块（横向滚动） ============ */
.featured-grid {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--orange) var(--bg-soft);
}
.featured-grid::-webkit-scrollbar { height: 8px; }
.featured-grid::-webkit-scrollbar-track { background: var(--bg-soft); border-radius: 4px; }
.featured-grid::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 4px; }
.featured-card {
  flex: 0 0 300px;   /* 固定卡片宽度，超出后横向滚动 */
  scroll-snap-align: start;
}
.featured-card .pcard-emoji {
  font-size: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.section-more {
  text-align: center;
  margin-top: 28px;
}
.section-more .btn {
  min-width: 200px;
}
/* 移动端卡片略窄 */
@media (max-width: 600px) {
  .featured-card { flex: 0 0 260px; }
}

/* ============ 阿拉伯语 RTL（从右到左）专项适配 ============ */
/* 顶栏：左右间距镜像 */
[dir="rtl"] .topbar-left span { margin-right: 0; margin-left: 18px; }
[dir="rtl"] .topbar-left i { margin-right: 0; margin-left: 4px; }
[dir="rtl"] .topbar-right a { margin-left: 0; margin-right: 16px; }

/* 导航：语言切换、搜索框位置镜像 */
[dir="rtl"] .lang-switch { margin-left: 0; margin-right: 12px; }
[dir="rtl"] .nav-search { margin-left: 0; margin-right: 12px; }

/* 所有输入框、文本框：文字右对齐 + 从右往左 */
[dir="rtl"] input[type="text"],
[dir="rtl"] input[type="email"],
[dir="rtl"] input[type="tel"],
[dir="rtl"] input[type="search"],
[dir="rtl"] textarea,
[dir="rtl"] select { text-align: right; direction: rtl; }
[dir="rtl"] .hero-search-form input { text-align: right; direction: rtl; }
[dir="rtl"] .nav-search-form input { text-align: right; direction: rtl; }

/* 联系表单：label 右对齐 */
[dir="rtl"] .contact-form label { text-align: right; }

/* 内容块：图标与文字顺序右对齐 */
[dir="rtl"] .cat-card,
[dir="rtl"] .feature { text-align: right; }

/* 联系卡片：图标在右、文字在左（镜像） */
[dir="rtl"] .cta-contact { flex-direction: row-reverse; }

/* 产品详情要点列表：左边距改右边距 */
[dir="rtl"] .pd-points { padding-left: 0; padding-right: 22px; }

/* 产品详情灯箱左右箭头互换 */
[dir="rtl"] .pd-lb-prev { left: auto; right: 20px; }
[dir="rtl"] .pd-lb-next { right: auto; left: 20px; }

/* 分类侧栏计数：左边距改右边距 */
[dir="rtl"] .cat-sides .cs-count { margin-left: 0; margin-right: 8px; }

/* 移动端覆盖：恢复到镜像后的值 */
@media (max-width: 900px) {
  [dir="rtl"] .lang-switch { margin-left: 0; margin-right: 0; }
  [dir="rtl"] .nav-search { margin-left: 0; margin-right: 0; }
}

/* 动效降级：晕动症用户减少动画 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 表单必填图例 */
.form-legend { color: var(--text-muted); font-size: 13px; margin: -8px 0 18px; }
.form-legend .req { color: #e5484d; margin-right: 2px; }