/* ==========================================================================
   ZYZT — Industrial Edge Intelligence (Shenzhen Zhongyuan Zhaotong Technology Co., Ltd.)
   Global design system  ·  v1.0
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root{
  --navy-900:#0A1628;
  --navy-800:#0F2038;
  --navy-700:#16304F;
  --ink:#0E1B2C;
  --body:#44546A;
  --muted:#6B7A90;
  --faint:#93A0B4;
  --line:#E3E8EF;
  --line-soft:#EEF2F7;
  --bg:#FFFFFF;
  --bg-alt:#F6F8FB;
  --bg-deep:#0A1628;

  --brand:#0B5FFF;
  --brand-dark:#0A47C2;
  --brand-light:#EAF1FF;
  --accent:#00C2A8;
  --accent-dark:#009C88;
  --accent-light:#E5F9F6;
  --amber:#FF8A3D;
  --amber-light:#FFF1E7;

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans SC","PingFang SC","Microsoft YaHei","Meiryo","Malgun Gothic","Noto Sans Arabic","Noto Naskh Arabic",Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,"Courier New",monospace;

  --container:1200px;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;

  --shadow-sm:0 1px 2px rgba(14,27,44,.06),0 1px 3px rgba(14,27,44,.05);
  --shadow:0 4px 16px rgba(14,27,44,.07),0 1px 3px rgba(14,27,44,.05);
  --shadow-lg:0 18px 48px rgba(14,27,44,.12),0 4px 12px rgba(14,27,44,.06);

  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.2;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:inherit}
table{border-collapse:collapse;width:100%}
::selection{background:var(--brand);color:#fff}

/* ---------- 3. Layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:64px 0}
.section--dark{background:var(--navy-900);color:#B9C6D8}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}

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

/* ---------- 4. Section headings ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.eyebrow--light{color:var(--accent)}
.eyebrow--light::before{background:var(--accent)}

.section-head{max-width:760px;margin-bottom:56px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:18px}
.section-head p{font-size:17px;color:var(--muted)}
.section--dark .section-head p{color:#93A6BE}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  transition:all .22s var(--ease);white-space:nowrap;border:1.5px solid transparent;
}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(11,95,255,.28)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(11,95,255,.34)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy-900)}
.btn-light:hover{background:#EAF1FF;color:var(--navy-900);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.32);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
}
.link-arrow svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 6. Header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 2px 16px rgba(14,27,44,.06)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand:hover{color:inherit}
.brand-mark{width:36px;height:36px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:17.5px;font-weight:800;letter-spacing:.06em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:600;white-space:nowrap}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 14px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--body);
  transition:all .2s var(--ease);white-space:nowrap;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-light)}
.main-nav a.is-active{color:var(--brand);background:var(--brand-light)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.header-actions .btn{white-space:nowrap}
/* 中等宽度桌面：压缩表头防止长语言（de/fr/ru）溢出 */
@media (min-width:961px) and (max-width:1440px){
  .header-inner{gap:16px}
  .main-nav{gap:1px}
  .main-nav a{padding:9px 10px;font-size:13.5px}
  .header-actions{gap:8px}
}
@media (min-width:961px) and (max-width:1200px){
  .header-inner{gap:10px}
  .main-nav a{padding:8px 7px;font-size:12.8px;letter-spacing:0}
  .brand-text em{display:none}
  .lang-btn{padding:7px 8px}
  .header-actions .btn-sm{padding:8px 14px}
}
@media (min-width:961px) and (max-width:1010px){
  .header-inner{gap:8px}
  .main-nav a{padding:8px 5px;font-size:12.2px}
  .header-actions{gap:6px}
  .header-actions .btn-sm{padding:8px 11px;font-size:13.5px}
}
.nav-toggle{display:none;width:42px;height:42px;border-radius:9px;border:1.5px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 7. Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(1100px 620px at 78% -8%,#1B3B6F 0%,rgba(10,22,40,0) 62%),var(--navy-900);
  color:#B9C6D8;padding:88px 0 80px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(900px 520px at 62% 22%,#000 0%,transparent 78%);
  mask-image:radial-gradient(900px 520px at 62% 22%,#000 0%,transparent 78%);
}
.hero>.container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);line-height:1.09;letter-spacing:-.03em;color:#fff;margin-bottom:22px;
}
.hero h1 .grad{
  background:linear-gradient(96deg,#4D9BFF 0%,#00E0C0 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-lead{font-size:18px;line-height:1.72;color:#A8B8CC;max-width:560px;margin-bottom:34px}
.hero .btn-row{margin-bottom:44px}
.hero-visual{position:relative}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.12);padding-top:30px;
}
.hero-stats .stat{padding-right:20px;border-right:1px solid rgba(255,255,255,.1)}
.hero-stats .stat:last-child{border-right:none}
.hero-stats .num{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1}
.hero-stats .num i{font-style:normal;color:var(--accent)}
.hero-stats .lbl{font-size:12.5px;letter-spacing:.05em;color:#8CA0B8;margin-top:6px;text-transform:uppercase;font-weight:600}

/* Page hero (inner pages) */
.page-hero{
  position:relative;overflow:hidden;background:var(--navy-900);color:#A8B8CC;
  padding:74px 0 68px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.45;pointer-events:none;
  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:52px 52px;
  -webkit-mask-image:radial-gradient(760px 380px at 20% 10%,#000,transparent 76%);
  mask-image:radial-gradient(760px 380px at 20% 10%,#000,transparent 76%);
}
.page-hero>.container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,3.9vw,46px);color:#fff;margin-bottom:18px;letter-spacing:-.025em}
.page-hero p.page-lead{font-size:17.5px;max-width:720px;color:#A8B8CC}
.crumbs{display:flex;gap:9px;align-items:center;font-size:13px;color:#7C90A8;margin-bottom:20px}
.crumbs a{color:#9FB2C8}
.crumbs a:hover{color:#fff}
.crumbs span{color:#5C7389}
.crumbs .sep{color:#4A5C74}

/* ---------- 8. Trust bar ---------- */
.trustbar{background:var(--navy-800);border-top:1px solid rgba(255,255,255,.07);padding:22px 0}
.trustbar-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center}
.trustbar .tl{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#7C90A8;font-weight:700}
.cert-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.cert-chip{
  padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:#C5D2E2;
}

/* ---------- 9. Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:all .28s var(--ease);position:relative;
}
.card:hover{border-color:#C7D6EE;box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);margin-bottom:20px;flex:none;
}
.card-ico svg{width:23px;height:23px}
.card-ico--accent{background:var(--accent-light);color:var(--accent-dark)}
.card h3{font-size:18.5px;margin-bottom:10px}
.card p{font-size:14.8px;color:var(--muted);line-height:1.68}
.card-num{
  position:absolute;top:26px;right:28px;font-family:var(--mono);
  font-size:13px;font-weight:700;color:var(--faint);letter-spacing:.06em;
}

/* Engine cards (two business engines) */
.engine-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.engine{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:42px 40px;
  background:#fff;border:1px solid var(--line);transition:all .3s var(--ease);
}
.engine:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:#C7D6EE}
.engine::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand)}
.engine--b::before{background:linear-gradient(90deg,var(--accent),#37E0C8)}
.engine .tag{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-light);padding:6px 12px;border-radius:6px;margin-bottom:18px;
}
.engine--b .tag{color:var(--accent-dark);background:var(--accent-light)}
.engine h3{font-size:25px;margin-bottom:14px;letter-spacing:-.02em}
.engine p.lead{font-size:15.5px;color:var(--muted);margin-bottom:24px;line-height:1.7}
.engine ul{margin-bottom:28px}
.engine ul li{
  position:relative;padding-left:22px;font-size:14.6px;color:var(--body);margin-bottom:9px;
}
.engine ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--brand);opacity:.75;
}
.engine--b ul li::before{background:var(--accent)}

/* ---------- 10. Capability grid (8 layers) ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:all .26s var(--ease);display:flex;flex-direction:column;
}
.cap-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.cap-card .idx{
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand);
  letter-spacing:.08em;margin-bottom:16px;
}
.cap-card h4{font-size:16.5px;margin-bottom:10px;line-height:1.35}
.cap-card p{font-size:13.6px;color:var(--muted);line-height:1.62;flex:1}

/* ---------- 11. Solution cards ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:all .28s var(--ease);
}
.sol-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:#C7D6EE}
.sol-top{padding:30px 28px 22px;border-bottom:1px solid var(--line-soft)}
.sol-top .card-ico{margin-bottom:18px}
.sol-card h3{font-size:18px;margin-bottom:8px}
.sol-card .sol-sub{font-size:13.5px;color:var(--muted)}
.sol-body{padding:24px 28px 28px;flex:1;display:flex;flex-direction:column}
.sol-body .label{font-size:11.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.tag-pill{
  font-size:12.2px;font-weight:600;color:var(--body);background:var(--bg-alt);
  border:1px solid var(--line);padding:5px 11px;border-radius:6px;
}
.sol-body .link-arrow{margin-top:auto}

/* ---------- 12. Component section (home) ---------- */
.comp-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:46px}
.comp-tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  text-align:left;transition:all .26s var(--ease);
}
.comp-tile:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.comp-tile .cnt{font-family:var(--mono);font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.02em;display:block;margin-bottom:6px}
.comp-tile h4{font-size:15.5px;margin-bottom:7px}
.comp-tile p{font-size:13.4px;color:var(--muted);line-height:1.6}

/* ---------- 13. Brand wall ---------- */
.brand-wall{display:flex;flex-wrap:wrap;gap:9px}
.brand-chip{
  font-size:13px;font-weight:600;color:var(--body);background:#fff;
  border:1px solid var(--line);padding:8px 15px;border-radius:8px;
  transition:all .2s var(--ease);white-space:nowrap;
}
.brand-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);transform:translateY(-2px)}
.brand-group{margin-bottom:38px}
.brand-group h4{
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);
  margin-bottom:18px;font-weight:800;display:flex;align-items:center;gap:12px;
}
.brand-group h4::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- 14. Catalog toolbar ---------- */
.catalog-toolbar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:26px;box-shadow:var(--shadow-sm);
}
.toolbar-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.search-wrap{position:relative;flex:1;min-width:260px}
.search-wrap svg{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;color:var(--faint);pointer-events:none;
}
.search-input{
  width:100%;padding:13px 16px 13px 44px;border:1.5px solid var(--line);
  border-radius:10px;font-size:15px;color:var(--ink);background:#fff;transition:all .2s var(--ease);
}
.search-input::placeholder{color:var(--faint)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
.select-input{
  padding:13px 38px 13px 15px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14.5px;color:var(--ink);background:#fff;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7A90' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;transition:all .2s var(--ease);
}
.select-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}

.type-toggle{display:flex;gap:6px;background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:5px}
.type-toggle button{
  padding:9px 18px;border-radius:7px;font-size:14px;font-weight:600;color:var(--muted);
  transition:all .2s var(--ease);
}
.type-toggle button:hover{color:var(--ink)}
.type-toggle button.is-on{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}

.result-meta{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);flex-wrap:wrap;
}
.result-count{font-size:14px;color:var(--muted)}
.result-count strong{color:var(--ink);font-family:var(--mono)}
.active-filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  color:var(--brand);background:var(--brand-light);padding:5px 10px;border-radius:6px;
}
.filter-pill button{color:inherit;font-size:15px;line-height:1;opacity:.7}
.filter-pill button:hover{opacity:1}

/* ---------- 15. Catalog grid ---------- */
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:all .24s var(--ease);display:flex;flex-direction:column;
}
.pcard:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.pcard-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.pcard-img{margin:-2px 0 12px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#F4F7FA;aspect-ratio:16/9}
.pcard-img img{width:100%;height:100%;object-fit:cover;display:block}
.pcard .pn{
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;word-break:break-word;
}
.pcard .brand-name{font-size:12.5px;color:var(--brand);font-weight:700;margin-top:3px}
.badge{
  font-size:11px;font-weight:700;letter-spacing:.05em;padding:4px 9px;border-radius:5px;
  white-space:nowrap;flex:none;text-transform:uppercase;
}
.badge--stock{background:var(--accent-light);color:var(--accent-dark)}
.badge--lead{background:var(--amber-light);color:#C25E14}
.badge--rfq{background:var(--bg-alt);color:var(--muted)}
.badge--hot{background:#FFEDEB;color:#D93A2B}
.pcard .meta-row{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;flex:1}
.pcard .m{display:flex;gap:10px;font-size:13.2px;line-height:1.55}
.pcard .m .k{color:var(--faint);flex:none;width:52px;font-weight:600}
.pcard .m .v{color:var(--body)}
.pcard-foot{border-top:1px solid var(--line-soft);padding-top:14px;display:flex;justify-content:space-between;align-items:center}
.pcard .cat-label{font-size:12px;color:var(--faint);font-weight:600;letter-spacing:.03em}
.pcard .rfq-link{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.pcard .rfq-link svg{width:13px;height:13px;transition:transform .2s var(--ease)}
.pcard .rfq-link:hover svg{transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:70px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state h4{margin-bottom:10px;font-size:18px}
.empty-state p{color:var(--muted);margin-bottom:22px}
.load-more-wrap{text-align:center;margin-top:34px}

/* ---------- 16. Data table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;overflow-x:auto;
}
table.data-table{min-width:720px;font-size:14.2px}
.data-table thead th{
  background:var(--bg-alt);text-align:left;padding:15px 20px;
  font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table tbody td{padding:15px 20px;border-bottom:1px solid var(--line-soft);color:var(--body);vertical-align:top}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody tr{transition:background .18s var(--ease)}
.data-table tbody tr:hover{background:#FAFCFF}
.data-table .pn{font-family:var(--mono);font-weight:700;color:var(--ink);font-size:13.8px}
.data-table .b{color:var(--brand);font-weight:600}

/* ---------- 17. Process timeline ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:20px}
.step{position:relative;padding:0 18px 0 0}
.step::before{
  content:"";position:absolute;top:19px;left:40px;right:-8px;height:2px;
  background:linear-gradient(90deg,var(--brand),#B9D1FF);
}
.step:last-child::before{display:none}
.step .dot{
  width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--brand);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:700;position:relative;z-index:2;margin-bottom:20px;
}
.step h4{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.4px;color:var(--muted);line-height:1.6}
.section--dark .step .dot{background:var(--navy-800);border-color:var(--accent);color:var(--accent)}
.section--dark .step::before{background:linear-gradient(90deg,var(--accent),rgba(0,194,168,.2))}
.section--dark .step p{color:#93A6BE}

/* ---------- 18. Value list ---------- */
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.value-item{display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .24s var(--ease)}
.value-item:hover{border-color:#C7D6EE;box-shadow:var(--shadow)}
.value-item .vi-ico{
  width:38px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.value-item .vi-ico svg{width:19px;height:19px}
.value-item h4{font-size:15.5px;margin-bottom:6px}
.value-item p{font-size:13.6px;color:var(--muted);line-height:1.62}
.section--dark .value-item{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.1)}
.section--dark .value-item .vi-ico{background:rgba(0,194,168,.14);color:var(--accent)}
.section--dark .value-item p{color:#93A6BE}

/* ---------- 19. CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy-900) 0%,#123055 58%,#0C2A4A 100%);
  border-radius:var(--radius-lg);padding:64px 56px;color:#A8B8CC;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,168,.22),transparent 68%);
}
.cta-band-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px;letter-spacing:-.02em}
.cta-band p{font-size:16px;max-width:600px;color:#9FB2C8}

/* ---------- 20. Contact ---------- */
.contact-layout{display:grid;grid-template-columns:1.25fr .95fr;gap:38px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:13.4px;font-weight:700;color:var(--ink)}
.field label .req{color:var(--amber)}
.field input,.field select,.field textarea{
  padding:12px 15px;border:1.5px solid var(--line);border-radius:9px;
  font-size:14.8px;color:var(--ink);background:#fff;transition:all .2s var(--ease);width:100%;
}
.field textarea{resize:vertical;min-height:120px;line-height:1.65}
.field textarea.mono{font-family:var(--mono);font-size:13.2px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light);
}
.field .hint{font-size:12.2px;color:var(--faint)}
.form-note{
  margin-top:18px;padding:14px 16px;background:var(--accent-light);border:1px solid #BEEBE4;
  border-radius:9px;font-size:13.2px;color:#08685A;display:none;gap:9px;line-height:1.6;
}
.form-note.is-on{display:flex}
.form-note svg{width:17px;height:17px;flex:none;margin-top:2px}

.contact-side{display:flex;flex-direction:column;gap:18px}
.contact-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.contact-block h4{font-size:14px;letter-spacing:.09em;text-transform:uppercase;color:var(--faint);margin-bottom:16px;font-weight:800}
.contact-line{display:flex;gap:13px;margin-bottom:14px;font-size:14.4px;align-items:flex-start}
.contact-line:last-child{margin-bottom:0}
.contact-line svg{width:17px;height:17px;color:var(--brand);flex:none;margin-top:4px}
.contact-line strong{display:block;color:var(--ink);font-size:13.6px;margin-bottom:1px}
.contact-line span,.contact-line a{color:var(--body)}
.contact-line a:hover{color:var(--brand)}

/* ---------- 21. FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all .22s var(--ease)}
.faq-item[open]{border-color:#C7D6EE;box-shadow:var(--shadow)}
.faq-item summary{
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:11px;height:11px;flex:none;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .24s var(--ease);margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.72}

/* ---------- 22. Stats band ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-block{text-align:center;padding:26px 14px}
.stat-block .n{font-size:clamp(30px,3.6vw,44px);font-weight:800;color:var(--brand);letter-spacing:-.03em;line-height:1;font-family:var(--font)}
.stat-block .n i{font-style:normal;font-size:.55em;vertical-align:super;color:var(--accent)}
.stat-block .t{font-size:13.6px;color:var(--muted);margin-top:12px;font-weight:600}
.section--dark .stat-block .n{color:#fff}
.section--dark .stat-block .t{color:#93A6BE}

/* ---------- 23. Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split-media{order:-1}
.split h2{font-size:clamp(26px,3.1vw,36px);margin-bottom:18px}
.split p.lead{font-size:16.5px;color:var(--muted);margin-bottom:26px}
.check-list li{position:relative;padding-left:30px;margin-bottom:13px;font-size:15px;color:var(--body)}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;
  background:var(--accent-light);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23009C88' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}
.split-media{
  background:linear-gradient(140deg,#0F2038,#173B66);border-radius:var(--radius-lg);
  padding:36px;position:relative;overflow:hidden;
}
.split-media .media-label{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:20px;
}

/* Chip matrix table inside dark card */
.chip-rows{display:flex;flex-direction:column;gap:11px}
.chip-row{display:flex;align-items:center;gap:14px;font-size:13.2px;color:#B9C6D8}
.chip-row .bar{
  width:88px;height:6px;border-radius:3px;background:rgba(255,255,255,.12);flex:none;position:relative;overflow:hidden;
}
.chip-row .bar i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:3px}
.chip-row .nm{width:104px;flex:none;color:#fff;font-weight:600}

/* ---------- 24. Footer ---------- */
.site-footer{background:var(--navy-900);color:#8CA0B8;padding:72px 0 34px;font-size:14.2px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#6B7A90}
.footer-brand p{margin-top:20px;font-size:14px;line-height:1.72;color:#8CA0B8;max-width:330px}
.footer-cert{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}
.footer-cert span{font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#8CA0B8;border:1px solid rgba(255,255,255,.14);padding:4px 10px;border-radius:5px}
.footer-col h5{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:20px;font-weight:800}
.footer-col a{display:block;color:#8CA0B8;font-size:14.2px;margin-bottom:11px;transition:all .2s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:28px;flex-wrap:wrap;font-size:13.2px;color:#6B7A90}
.footer-bottom a{color:#8CA0B8}
.footer-bottom a:hover{color:#fff}

/* ---------- 25. Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 26. Utility ---------- */
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.mt-32{margin-top:32px}.mt-48{margin-top:48px}.mt-64{margin-top:64px}
.mb-0{margin-bottom:0}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.text-center{text-align:center}
.lead-lg{font-size:17.5px;color:var(--muted)}
.divider{height:1px;background:var(--line);margin:56px 0}
.note-box{
  background:var(--brand-light);border:1px solid #CFDFFF;border-radius:var(--radius);
  padding:20px 24px;font-size:14.2px;color:#20418F;line-height:1.68;
}
.mono{font-family:var(--mono)}

/* ---------- 27. Responsive ---------- */
@media (max-width:1080px){
  .cap-grid,.catalog-grid,.sol-grid{grid-template-columns:repeat(2,1fr)}
  .comp-tiles,.g-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:520px}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .step::before{display:none}
  .contact-layout{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .engine-grid,.split,.split--rev{grid-template-columns:1fr;gap:30px}
  .split--rev .split-media{order:0}
  .section{padding:68px 0}
  .value-list{grid-template-columns:1fr}
  .cta-band{padding:44px 30px}
  .form-card{padding:28px}
  .g-3{grid-template-columns:1fr}
}

/* 移动端导航断点提前至 960px：消除 900–960px 区间长语言（de/fr/ru）表头溢出 */
@media (max-width:960px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    padding:20px 24px;margin:0;transform:translateY(-12px);
    opacity:0;pointer-events:none;transition:all .26s var(--ease);overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .main-nav a{padding:15px 16px;font-size:16.5px;border-radius:10px}
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
  .lang-btn{padding:7px 9px}
  .lang-current{max-width:64px}
}
@media (max-width:720px){
  .container{padding:0 18px}
  .cap-grid,.catalog-grid,.sol-grid,.comp-tiles,.g-2,.g-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .hero-stats .stat:nth-child(2){border-right:none}
  .hero-stats .stat{padding-right:0}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:60px 0 56px}
  .page-hero{padding:52px 0 48px}
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;gap:8px}
  .toolbar-row{flex-direction:column;align-items:stretch}
  .search-wrap{min-width:0}
  .type-toggle{width:100%}
  .type-toggle button{flex:1}
  .cta-band-inner{flex-direction:column;align-items:flex-start;gap:26px}
}

/* ==========================================================================
   i18n — language switcher, brand logo image, RTL support
   ========================================================================== */
.brand-mark{border-radius:9px;background:#fff;padding:3px;box-sizing:border-box;box-shadow:0 1px 4px rgba(2,12,27,.18)}

.lang-switch{position:relative;flex:none}
.lang-btn{display:flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid var(--line,rgba(255,255,255,.18));
  border-radius:9px;background:rgba(255,255,255,.06);color:inherit;font-size:13px;font-weight:600;transition:border-color .2s,background .2s}
.lang-btn:hover{border-color:rgba(255,255,255,.4)}
.lang-btn svg{width:16px;height:16px;flex:none}
.lang-btn .lang-chev{width:12px;height:12px;transition:transform .2s}
.lang-switch.is-open .lang-chev{transform:rotate(180deg)}
.lang-current{max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:160px;margin:0;padding:6px;list-style:none;
  background:#fff;border:1px solid rgba(10,22,40,.1);border-radius:12px;box-shadow:0 12px 32px rgba(2,12,27,.16);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:60}
.lang-switch.is-open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu li{padding:8px 12px;border-radius:8px;font-size:13.5px;font-weight:600;color:#0A1628;cursor:pointer;white-space:nowrap}
.lang-menu li:hover{background:rgba(46,123,255,.08)}
.lang-menu li.is-current{color:#2E7BFF;background:rgba(46,123,255,.1);cursor:default}
.lang-menu li.is-current::after{content:"✓";margin-left:auto;float:right;font-weight:800}

/* RTL (Arabic) adjustments */
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .crumbs span::before{transform:scaleX(-1)}
[dir="rtl"] .rfq-link svg{transform:scaleX(-1)}
[dir="rtl"] .btn svg{transform:scaleX(-1)}
[dir="rtl"] .step-num,[dir="rtl"] .comp-tile .cnt{letter-spacing:0}
[dir="rtl"] .footer-bottom,[dir="rtl"] .header-inner{letter-spacing:0}
html[dir="rtl"] body{letter-spacing:0}
/* CJK headline wrapping: break only at spaces for ja / ko headlines */
html[lang="ja"] h1,html[lang="ko"] h1{word-break:keep-all;line-break:strict}

@media (max-width:900px){
  .lang-btn{padding:7px 9px}
  .lang-current{max-width:64px}
}

/* ==========================================================================
   30. Consumer line (consumer.html)
   ========================================================================== */
.c-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:1020px){.c-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.c-grid{grid-template-columns:1fr}}
.c-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:all .26s var(--ease);
}
.c-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.c-card-img{aspect-ratio:16/9;overflow:hidden;background:#F4F7FA;border-bottom:1px solid var(--line-soft)}
.c-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.c-card:hover .c-card-img img{transform:scale(1.04)}
.c-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.c-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.c-card-body h3{font-size:19px;margin-bottom:8px;line-height:1.3}
.c-tagline{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:10px;line-height:1.5}
.c-short{font-size:13.6px;color:var(--muted);line-height:1.62;margin-bottom:16px;flex:1}
.c-form{
  display:flex;gap:10px;align-items:baseline;padding:11px 14px;border-radius:9px;
  background:var(--bg-alt);border:1px solid var(--line-soft);margin-bottom:16px;
}
.c-form .k{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);white-space:nowrap}
.c-form .v{font-size:12.8px;color:var(--body);font-family:var(--mono)}
.c-card .link-arrow{margin-top:auto}

/* ---------- detail blocks ---------- */
.c-detail{padding:8px 0 20px}
.c-detail-head{display:flex;align-items:baseline;gap:14px;margin-bottom:30px;flex-wrap:wrap}
.c-detail-head h3{font-size:clamp(21px,2.4vw,27px)}
.c-cat{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
.c-media{display:grid;gap:14px}
.c-media img{width:100%;border-radius:var(--radius);border:1px solid var(--line);display:block}
.c-media .c-media-2{aspect-ratio:16/9;object-fit:cover}
.c-body{font-size:15px;color:var(--body);line-height:1.7;margin-bottom:22px}
.c-form--lg{margin-bottom:26px}
.c-hls{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:26px}
@media (max-width:640px){.c-hls{grid-template-columns:1fr}}
.c-hl{background:var(--bg-alt);border:1px solid var(--line-soft);border-radius:10px;padding:16px 18px}
.c-hl h4{font-size:14.5px;margin-bottom:6px;color:var(--ink)}
.c-hl p{font-size:12.8px;color:var(--muted);line-height:1.6}
.c-block{margin-bottom:24px}
.c-block h5{
  font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;
}
.c-vs{font-size:13px;color:var(--faint);margin-bottom:8px}
.c-gap{font-size:14.2px;color:var(--body);line-height:1.65}
.c-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.c-pills .tag-pill{margin:0}