/* ============================================================
   数码打印设备企业官网 · 全站样式
   科技制造风 | 商务正蓝主调 | 纯静态 | 响应式
   替换指引：品牌文案在各 HTML 中查找，样式无需改动
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  --c-navy-900:#0c2146;
  --c-navy-800:#123463;
  --c-navy-700:#1a4480;
  --c-navy-600:#22569c;
  --c-blue:#2763f5;
  --c-blue-deep:#1a4fd4;
  --c-cyan:#5f8cff;
  --c-orange:#ff8a1e;
  --c-ink:#1c2a44;
  --c-ink-2:#43526e;
  --c-ink-3:#7c8aa5;
  --c-bg:#ffffff;
  --c-bg-soft:#f3f7fc;
  --c-line:#dde6f2;
  --c-line-dark:#2b3f68;

  --grad-main:linear-gradient(100deg,#0a2351 0%,#12419b 55%,#2f74ff 100%);
  --grad-cta:linear-gradient(100deg,#1a4fd4 0%,#2763f5 100%);
  --grad-accent:linear-gradient(120deg,#5f8cff 0%,#2763f5 100%);

  --shadow-sm:0 2px 10px rgba(18,52,99,.06);
  --shadow-md:0 10px 30px rgba(18,52,99,.10);
  --shadow-lg:0 24px 60px rgba(18,52,99,.16);

  --radius:14px;
  --radius-lg:22px;
  --radius-pill:999px;

  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --container:1180px;
  --header-h:72px;
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--c-ink);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:rgba(39,99,245,.2)}

.container{width:min(var(--container),92%);margin-inline:auto}

/* 通用区块头 */
.sec{padding:88px 0}
.sec-soft{background:var(--c-bg-soft)}
.sec-head{max-width:720px;margin:0 auto 54px;text-align:center}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2px;color:var(--c-blue);
  background:rgba(39,99,245,.10);
  border:1px solid rgba(39,99,245,.25);
  padding:6px 16px;border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;color:var(--c-navy-900);font-weight:700}
.sec-head p{margin-top:14px;color:var(--c-ink-2)}
.sec-head.light h2{color:#fff}
.sec-head.light p{color:#b7c7e4}

/* ---------- 顶部信息条 + 导航 ---------- */
.topbar{background:var(--c-navy-900);color:#a9bcdb;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar span{display:inline-flex;align-items:center;gap:7px}
.topbar .tb-right{display:flex;gap:22px}
.topbar .tb-right a:hover{color:#fff}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}

.logo{display:flex;align-items:center;gap:11px}
.logo-mark{
  width:42px;height:42px;border-radius:11px;
  background:var(--grad-main);
  display:flex;align-items:center;justify-content:center;
  color:#fff;flex:none;
  box-shadow:0 6px 14px rgba(18,52,99,.25);
}
.logo-mark svg{width:24px;height:24px}
.logo-name{font-size:19px;font-weight:800;color:var(--c-navy-900);letter-spacing:.5px;line-height:1.15}
.logo-name small{display:block;font-size:11px;font-weight:500;color:var(--c-ink-3);letter-spacing:2px}
/* 公司 Logo 图片（后台「通用设置」上传 logo_img / logo_img_white 后生效） */
.logo-img{display:block;height:46px;width:auto;max-width:100%}
.footer-about .logo-img-footer{height:40px}
@media (max-width:900px){.logo-img{height:38px}.footer-about .logo-img-footer{height:34px}}
@media (max-width:560px){.logo-img{height:32px}.footer-about .logo-img-footer{height:30px}}

.nav{display:flex;align-items:center;gap:4px;flex-shrink:0}
.nav a{
  position:relative;padding:8px 14px;font-size:15px;font-weight:600;color:var(--c-ink-2);
  border-radius:8px;transition:.2s;
  white-space:nowrap;flex:none;
}
.nav a:hover{color:var(--c-blue)}
.nav a.active{color:var(--c-blue)}
.nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;
  height:2.5px;border-radius:2px;background:var(--grad-accent);
}
.nav-cta{
  margin-left:10px;
  background:var(--grad-cta);color:#fff !important;
  padding:9px 18px !important;border-radius:var(--radius-pill) !important;
  box-shadow:0 8px 18px rgba(39,99,245,.30);
  display:inline-flex;align-items:center;gap:6px;font-weight:600;
  white-space:nowrap;flex:none;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(39,99,245,.38)}

/* 语言切换：Language 下拉（悬停/点按展开，简体中文 ⇄ English） */
.lang-wrap{position:relative;margin-left:6px}
.lang-btn{
  appearance:none;cursor:pointer;font-family:inherit;
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 13px;border:1px solid var(--c-line);border-radius:var(--radius-pill);
  background:#fff;color:var(--c-navy-900);font-size:13.5px;font-weight:700;letter-spacing:.4px;line-height:1;
  transition:.2s;white-space:nowrap;flex:none;
}
.lang-btn .globe{color:var(--c-blue)}
.lang-btn .caret{color:var(--c-ink-3);transition:transform .2s}
.lang-btn:hover{border-color:var(--c-blue);background:#f4f8ff;color:var(--c-blue)}
.lang-btn:hover .caret{color:var(--c-blue)}
.lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;min-width:176px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:6px;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:.18s ease;
  display:flex;flex-direction:column;gap:2px;
}
.lang-wrap:hover .lang-menu,
.lang-wrap:focus-within .lang-menu,
.lang-wrap.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 12px !important;border-radius:9px;
  font-size:14px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
}
.lang-menu a:hover{background:#f4f8ff;color:var(--c-blue)}
.lang-menu a.on{color:var(--c-blue);background:rgba(39,99,245,.08)}
.lang-menu a .tick{color:var(--c-blue);flex:none}
.lang-menu a:hover .tick{transform:scale(1.1)}

.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--c-line)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:22px;height:2px;background:var(--c-navy-900);border-radius:2px;transition:.25s;position:relative;
}
.nav-toggle span::before{position:absolute;top:-7px}
.nav-toggle span::after{position:absolute;top:7px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 28px;border-radius:var(--radius-pill);
  font-weight:600;font-size:15px;transition:.22s;line-height:1.4;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(39,99,245,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(39,99,245,.42)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--c-blue);color:var(--c-blue)}
.btn-outline:hover{background:var(--c-blue);color:#fff}
.btn-orange{background:linear-gradient(100deg,#ff7a00,#ff9a3d);color:#fff;box-shadow:0 10px 24px rgba(255,138,30,.35)}
.btn-orange:hover{transform:translateY(-2px)}
.btn-lg{padding:15px 34px;font-size:16px}
/* 按钮内箭头图标必须限定尺寸：SVG 无 width/height 时会按默认尺寸撑爆按钮
   （实测解决方案页卡片按钮被撑到 635x519，配 999px 圆角看着像个大蓝球） */
.btn svg{width:18px;height:18px;flex:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(39,99,245,.38),transparent 60%),
    radial-gradient(700px 380px at -10% 110%,rgba(95,140,255,.22),transparent 55%),
    var(--grad-main);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(122,162,230,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,162,230,.10) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;
  box-shadow:0 0 0 60px rgba(255,255,255,.025),0 0 0 120px rgba(255,255,255,.02);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:86px 0 96px}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:600;letter-spacing:1px;color:#9fd3ff;
  background:rgba(95,140,255,.12);border:1px solid rgba(95,140,255,.35);
  padding:7px 18px;border-radius:var(--radius-pill);margin-bottom:24px;
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 0 4px rgba(95,140,255,.25)}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);line-height:1.2;font-weight:800;letter-spacing:.5px;
}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#4dd4ff,#6f9dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{margin-top:20px;font-size:17px;color:#c2d2ef;max-width:540px}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-trust{display:flex;gap:30px;margin-top:40px;flex-wrap:wrap}
.hero-trust li{font-size:13.5px;color:#9fb6dd;display:flex;align-items:center;gap:8px}
.hero-trust svg{width:17px;height:17px;color:var(--c-cyan);flex:none}

.hero-visual{position:relative}
.hero-card{
  border-radius:24px;overflow:hidden;position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(6px);
}
.hero-card img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-float{
  position:absolute;background:rgba(6,18,38,.82);border:1px solid rgba(120,160,235,.35);
  border-radius:16px;padding:13px 18px;display:flex;align-items:center;gap:13px;
  box-shadow:var(--shadow-lg);backdrop-filter:blur(8px);
}
.hero-float .f-ico{
  width:40px;height:40px;border-radius:11px;flex:none;
  display:flex;align-items:center;justify-content:center;
}
.hero-float .f-ico svg{width:21px;height:21px}
.hero-float b{display:block;font-size:19px;line-height:1.2;color:#fff}
.hero-float small{font-size:12px;color:#93a9d3}
.hero-float.f1{top:-20px;right:-8px;animation:floaty 5s ease-in-out infinite}
.hero-float.f2{bottom:-24px;left:-10px;animation:floaty 5s ease-in-out 2.5s infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 数据条 */
.stat-band{position:relative;z-index:5;margin-top:-58px}
.stat-band .inner{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  border:1px solid var(--c-line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{
  text-align:center;padding:32px 20px;position:relative;
}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:24%;height:52%;width:1px;background:var(--c-line)}
.stat b{
  display:block;font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.1;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat span{font-size:14px;color:var(--c-ink-2);display:block;margin-top:7px}

/* ---------- 产品卡片 ---------- */
.section-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:42px;gap:20px;flex-wrap:wrap}
.section-label h2{font-size:clamp(24px,3vw,34px);color:var(--c-navy-900);line-height:1.3}
.section-label .sub{color:var(--c-ink-2);margin-top:6px}

.grid-cards{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
/* 固定列宽：卡片数量少时也不拉伸，保持与 3 列布局一致的尺寸 */
.grid-mid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));justify-content:center}

.pcard{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#c7d8fb}
.pcard .p-img{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--c-navy-800)}
.pcard .p-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.pcard:hover .p-img img{transform:scale(1.06)}
.pcard .p-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:11.5px;color:#fff;background:rgba(6,18,38,.72);backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.25);padding:3px 12px;border-radius:var(--radius-pill);
  letter-spacing:1px;
}
.pcard .p-hot{position:absolute;top:12px;right:12px;z-index:2;background:var(--grad-accent);color:var(--c-navy-900);font-weight:700;padding:3px 11px;border-radius:var(--radius-pill);font-size:11.5px}
.pcard-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
/* 产品中心：卡片内部各区块不许被压缩。
   .pcard-body 的 flex:1 会把简介/参数挤扁，也会让"卡片高 → 行高 → 卡片高"形成循环，
   反而限制住卡片高度；这里让简介/参数区高度只由内容决定。
   同行卡片的逐块对齐（标题/简介/参数/底栏落在同一水平线）由 main.js 按实测高度处理，
   这样才能适配中/英/越/西/阿各语言长度差异。底栏仍靠 .pcard-foot 的 margin-top:auto 贴底。 */
.prod-cards .pcard-body{flex:0 0 auto}
.prod-cards .pcard-body > *{flex-shrink:0}
.pcard-body h3{font-size:18px;color:var(--c-navy-900)}
.pcard-body .p-desc{font-size:13.5px;color:var(--c-ink-2);line-height:1.7}
.pcard-spec{display:flex;flex-wrap:wrap;gap:7px;margin-top:2px}
.pcard-spec li{
  font-size:12px;color:var(--c-ink-2);background:var(--c-bg-soft);
  border:1px solid var(--c-line);padding:3px 11px;border-radius:var(--radius-pill);
}
.pcard-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);display:flex;justify-content:space-between;align-items:center}
.pcard-foot .inquire{font-size:13.5px;font-weight:600;color:var(--c-blue);display:inline-flex;align-items:center;gap:5px}
.pcard-foot .inquire:hover{gap:9px}
.pcard-foot .inquire svg{width:14px;height:14px;transition:.2s}
.pcard-foot .mored{font-size:13px;color:var(--c-ink-3)}

/* 产品中心卡片：底部一行两个胶囊按钮（左「询价」实心蓝、右「查看详情」蓝描边），卡片不再留大片空白 */
.prod-cards .pcard-foot{gap:10px;padding-top:16px}
.prod-cards .pcard-foot .inquire,
.prod-cards .pcard-foot .pd-more{
  flex:1 1 0;min-width:0;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 12px;border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:700;letter-spacing:.2px;line-height:1.25;
  white-space:nowrap;text-decoration:none;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.prod-cards .pcard-foot .inquire svg,
.prod-cards .pcard-foot .pd-more svg{width:15px;height:15px;flex:0 0 auto}
/* 主行动：实心蓝胶囊（图标+文字，白色） */
.prod-cards .pcard-foot .inquire{
  background:var(--grad-cta);color:#fff;border:1.5px solid transparent;
  box-shadow:0 8px 20px rgba(39,99,245,.30);
}
.prod-cards .pcard-foot .inquire:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(39,99,245,.42)}
/* 次要行动：蓝描边胶囊，hover 反白 */
.prod-cards .pcard-foot .pd-more{
  background:#fff;color:var(--c-blue);border:1.5px solid var(--c-blue);
}
.prod-cards .pcard-foot .pd-more:hover{background:var(--c-blue);border-color:var(--c-blue);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(39,99,245,.28)}
.prod-cards .pcard-foot .pd-more svg{transition:transform .2s}
.prod-cards .pcard-foot .pd-more:hover svg{transform:translateX(3px)}
.prod-cards .pcard-spec li.scene{background:#eef4ff;border-color:#cfe0ff;color:var(--c-blue);font-weight:600}
/* 窄屏（≤420px）按钮只显示图标+文字并收窄内边距，避免挤压换行 */
@media (max-width:420px){
  .prod-cards .pcard-foot{gap:8px}
  .prod-cards .pcard-foot .inquire,
  .prod-cards .pcard-foot .pd-more{padding:10px 8px;font-size:12.5px;letter-spacing:0}
}

/* 产品速览大图区 */
.spotlight{
  display:grid;grid-template-columns:1.15fr 1fr;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.spotlight .sp-img{position:relative;background:var(--grad-main);min-height:320px}
.spotlight .sp-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.spotlight-body{padding:40px 44px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.spotlight-body h3{font-size:26px;color:var(--c-navy-900)}
.spotlight-body p{color:var(--c-ink-2)}
.spotlight-body .chips{display:flex;flex-wrap:wrap;gap:8px}
.spotlight-body .chips span{font-size:12.5px;background:var(--c-bg-soft);border:1px solid var(--c-line);padding:4px 13px;border-radius:var(--radius-pill);color:var(--c-ink-2)}

/* ---------- 为什么选我们 ---------- */
.why-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px 26px;
  transition:.25s;position:relative;overflow:hidden;
}
.why-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-accent);opacity:0;transition:.3s}
.why-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.why-card:hover::before{opacity:1}
.why-ico{
  width:56px;height:56px;border-radius:15px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(39,99,245,.12),rgba(95,140,255,.12));
  border:1px solid rgba(39,99,245,.25);
  display:flex;align-items:center;justify-content:center;color:var(--c-blue);
}
.why-ico svg{width:27px;height:27px}
.why-card h3{font-size:17px;color:var(--c-navy-900);margin-bottom:9px}
.why-card p{font-size:13.8px;color:var(--c-ink-2)}

/* ---------- 深色分区 ---------- */
.sec-dark{
  background:
    radial-gradient(800px 400px at 10% 0%,rgba(39,99,245,.22),transparent 55%),
    radial-gradient(700px 380px at 95% 100%,rgba(95,140,255,.14),transparent 55%),
    var(--c-navy-900);
  color:#d6e2f6;
}
.sec-dark .sec-head h2{color:#fff}

/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  border-radius:var(--radius);overflow:hidden;position:relative;
  border:1px solid var(--c-line-dark);background:rgba(255,255,255,.04);
  transition:.28s;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-5px);border-color:rgba(95,140,255,.6)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(.92);flex:0 0 auto}
.scene-card .sc-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.scene-card .sc-body h3{color:#fff;font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.scene-card .sc-body h3 .num{font-size:12px;font-weight:700;color:var(--c-cyan);border:1px solid rgba(95,140,255,.4);border-radius:6px;padding:2px 8px}
.scene-card .sc-body p{font-size:13.5px;color:#9fb6dd;margin:0 0 18px}

/* 场景卡底部 CTA：整宽胶囊、同行按钮贴底对齐（深色区） */
.scene-card .sc-cta{
  margin-top:auto;width:100%;padding:13px 20px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--radius-pill);text-decoration:none;
  background:linear-gradient(100deg,#2f6df6,#5b8cff);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.3px;line-height:1.2;
  box-shadow:0 8px 20px rgba(47,109,246,.3);
  transition:background .2s,transform .2s,box-shadow .2s;
}
.scene-card .sc-cta:hover{
  background:linear-gradient(100deg,#2457d6,#3f79ff);color:#fff;
  transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,109,246,.46);
}
.scene-card .sc-cta .sc-ars{display:inline-flex;align-items:center;gap:5px}
.scene-card .sc-cta .sc-ars svg{width:16px;height:16px;flex:0 0 auto;transition:transform .2s}
.scene-card .sc-cta .sc-ars svg+svg{opacity:.62}
.scene-card .sc-cta:hover .sc-ars svg{transform:translateX(3px)}
[dir="rtl"] .scene-card .sc-cta .sc-ars svg{transform:scaleX(-1)}
[dir="rtl"] .scene-card .sc-cta:hover .sc-ars svg{transform:scaleX(-1) translateX(3px)}

/* 服务流程：四步排一行，浅色卡（与全站产品卡 / 资质卡共用同一套卡片语言）
   2026-09-22 修正：原样式是给深色区写的（半透明白底 + 白字标题 + 淡蓝灰正文），
   但本区块底色是 .sec 浅色 → 标题白字压白底「看不见」、正文对比度也不足，
   卡片里只剩一个圆号加一坨灰字。另原来三列放四步，第 4 步会落单成第二行。
   现改为白底卡 + 深色标题 + 中性灰正文，并四列一行。 */
/* 用 auto-fit 而非固定列数：宽屏下条目数变化会自动等分填满
   （中文 4 步＝四列；语言站暂时 3 条时 auto-fit 折叠空轨道＝三等分，不会空出第四格）。
   窄屏用断点强制 2 列 / 1 列，避免出现「3+1」那种落单行。 */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
@media (max-width:1150px){.flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.flow{grid-template-columns:1fr}}
.flow-card{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius);padding:26px 24px 28px;transition:.25s;
  display:flex;flex-direction:column;min-width:0;
}
.flow-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c7d8fb}
.flow-card .f-step{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-cta);color:#fff;font-size:16px;font-weight:800;
  margin-bottom:15px;box-shadow:0 6px 16px rgba(39,99,245,.26);
}
.flow-card h3{color:var(--c-navy-900);font-size:16.5px;line-height:1.45;margin-bottom:9px}
.flow-card p{font-size:13.5px;color:var(--c-ink-2);line-height:1.75}

/* ---------- CTA ---------- */
.cta-band{
  background:
    radial-gradient(600px 300px at 85% 0%,rgba(95,140,255,.25),transparent 60%),
    linear-gradient(105deg,#12419b,var(--c-navy-800) 60%,var(--c-navy-900));
  border-radius:var(--radius-lg);
  padding:56px 60px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border:1px solid rgba(255,255,255,.08);border-radius:50%;box-shadow:0 0 0 40px rgba(255,255,255,.02),0 0 0 80px rgba(255,255,255,.015)}
.cta-band h3{font-size:clamp(22px,3vw,32px);line-height:1.35;position:relative;z-index:2}
.cta-band p{margin-top:10px;color:#aec6ea;font-size:15px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-navy-900);color:#9fb6dd;font-size:14px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:66px 0 48px}
.footer-main h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-main h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2.5px;border-radius:2px;background:var(--grad-accent)}
.footer-about p{line-height:1.9;margin-top:16px;color:#8ba1c8}
/* 页脚数据指标（2×2 小矩阵，后台填「页脚数据指标」后显示） */
.footer-stats{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 12px;margin:20px 0 0;padding:0}
.footer-stats li{display:flex;flex-direction:column;gap:2px;min-width:0}
.footer-stats b{font-size:19px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:.2px}
.footer-stats span{font-size:12px;color:#7d93ba;line-height:1.4}
.footer-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:13.5px;font-weight:600;color:var(--c-cyan);transition:.2s;
}
.footer-more svg{width:14px;height:14px;transition:transform .2s}
.footer-more:hover{color:#fff}
.footer-more:hover svg{transform:translateX(3px)}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#9fb6dd;transition:.2s;display:inline-flex;align-items:center;gap:7px}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-blue);flex:none}
.footer-contact li{display:flex;gap:12px;margin-bottom:15px;align-items:flex-start}
.footer-contact svg{width:17px;height:17px;color:var(--c-cyan);flex:none;margin-top:4px}
.footer-contact b{display:block;color:#cfe0ff;font-weight:600;font-size:13px}
.footer-contact span{color:#8ba1c8}
.footer-qr{display:flex;gap:16px;margin-top:18px}
.footer-qr .qr-box{width:110px;text-align:center}
.footer-qr .qr{
  width:110px;height:110px;border-radius:10px;border:1px solid var(--c-line-dark);
  background:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:8px;
  overflow:hidden;
}
.footer-qr .qr small{font-size:10px;color:#8fa0bd;line-height:1.4;padding:6px;text-align:center}
.footer-qr .qr img{width:100%;height:100%;object-fit:contain;display:block;background:#fff}
.footer-qr figcaption{font-size:12px;color:#8ba1c8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7d93ba}
.footer-bottom a:hover{color:#fff}

/* ---------- 侧边悬浮咨询 ---------- */
.float-bar{position:fixed;right:20px;bottom:110px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-bar a,.float-bar button{
  width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-md);color:var(--c-blue);
  position:relative;transition:.2s;
}
.float-bar a:hover,.float-bar button:hover{background:var(--c-blue);color:#fff}
.float-bar a span,.float-bar button span{
  position:absolute;right:60px;top:50%;transform:translateY(-50%);white-space:nowrap;
  background:var(--c-navy-900);color:#fff;font-size:12.5px;padding:6px 13px;border-radius:7px;
  opacity:0;pointer-events:none;transition:.2s;
}
.float-bar a:hover span,.float-bar button:hover span{opacity:1}
.float-bar .fb-top{display:none}
.float-bar .fb-top.show{display:flex}

/* ============================================================
   产品中心页
   ============================================================ */
.page-banner{
  background:
    radial-gradient(700px 320px at 90% 0%,rgba(39,99,245,.35),transparent 60%),
    var(--grad-main);
  color:#fff;padding:74px 0 84px;text-align:center;position:relative;overflow:hidden;
}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(122,162,230,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(122,162,230,.09) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse,#000 20%,transparent 75%)}
.page-banner .container{position:relative;z-index:2}
.crumb{font-size:13px;color:#8fabe0;margin-bottom:16px;letter-spacing:1px}
.crumb a:hover{color:#fff}
.page-banner h1{font-size:clamp(28px,4vw,44px);font-weight:800}
.page-banner p{margin-top:12px;color:#b9cbe9;max-width:640px;margin-inline:auto;font-size:15.5px}
/* 自定横幅背景图（后台「页面横幅」上传后生效）：图片铺满 + 深色遮罩保证文字可读 */
.page-banner.has-img{background-size:cover;background-position:center;background-repeat:no-repeat}
.page-banner.has-img::before{background:linear-gradient(180deg,rgba(9,22,48,.55),rgba(9,22,48,.68));mask-image:none;-webkit-mask-image:none}
/* 只显示图片、不显示文字（保留文字层占位，版块高度不变） */
.page-banner.text-off .container{visibility:hidden}

/* 分类筛选条 */
.filter-bar{position:sticky;top:var(--header-h);z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);padding:14px 0}
/* 分类筛选条：每行固定 5 个等宽按钮，不满一行时整行居中（避免「挤满一行 + 末尾孤零零一个」） */
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.filter-chips button{
  flex:0 0 auto;width:calc((100% - 40px)/5);
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);padding:9px 10px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);background:#fff;transition:.2s;
  text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.filter-chips button:hover{color:var(--c-blue);border-color:#c7d8fb}
.filter-chips button.on{background:var(--grad-cta);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(39,99,245,.3)}
.filter-chips .cnt{font-size:12px;opacity:.75;margin-left:3px}
@media (max-width:900px){.filter-chips button{width:calc((100% - 20px)/3)}}
@media (max-width:560px){.filter-chips button{width:calc((100% - 10px)/2)}}

.products-list{padding:56px 0 90px}
.pcat-title{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.pcat-title::after{content:"";height:1px;flex:1;background:var(--c-line)}
.pcat-title h2{font-size:24px;color:var(--c-navy-900);white-space:nowrap}
.pcat-title small{color:var(--c-ink-3);font-size:13px;margin-top:6px;display:block}
.cat-block{margin-bottom:64px}
.cat-block.hidden{display:none}

/* ============================================================
   产品中心：左分类菜单 + 右产品列表（横版卡片）
   ============================================================ */
.prod-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:32px;align-items:start}
.cat-side{position:sticky;top:calc(var(--header-h) + 18px)}
.cat-side h2{font-size:19px;font-weight:800;color:var(--c-navy-900);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.cat-side h2::before{content:"";width:4px;height:19px;border-radius:2px;background:var(--grad-cta)}
.cat-menu{list-style:none;margin:0;padding:0;border-left:1px solid var(--c-line);display:flex;flex-direction:column;gap:1px}
.cat-menu button{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);cursor:pointer;
  background:none;border:0;border-left:3px solid transparent;margin-left:-1px;
  border-radius:0 8px 8px 0;transition:color .18s,background .18s,border-color .18s;line-height:1.45;
}
.cat-menu button:hover{color:var(--c-blue);background:#f5f8ff}
.cat-menu button.on{color:var(--c-blue);border-left-color:var(--c-blue);background:#f0f5ff}
.cat-menu .n{font-size:12.5px;font-weight:500;color:var(--c-ink-3);flex:none}
.cat-menu button.on .n,.cat-menu button:hover .n{color:var(--c-blue)}

.cat-main{padding:0}
/* 竖版产品卡（图上文下，沿用全站 .pcard 样式）+ 筛选隐藏 */
.cat-main.grid-mid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.cat-main .pcard.hidden{display:none}
.cat-main .pcard-spec li{max-width:100%}

@media (max-width:1080px){
  .prod-layout{grid-template-columns:1fr;gap:22px}
  .cat-side{position:static}
  .cat-menu{flex-direction:row;flex-wrap:wrap;border-left:0;gap:8px}
  .cat-menu li{display:flex}
  .cat-menu button{width:auto;border:1px solid var(--c-line);border-radius:var(--radius-pill);margin-left:0;padding:8px 14px;font-size:13.5px}
  .cat-menu button.on{border-color:var(--c-blue);background:#f0f5ff}
}
@media (max-width:640px){
  .cat-main.grid-mid{grid-template-columns:1fr}
}

/* ============================================================
   关于我们页
   ============================================================ */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.about-media{position:relative}
.about-media .main-photo{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--c-line)}
.about-media .main-photo img{aspect-ratio:4/3;width:100%;object-fit:cover}
.about-media .exp-card{
  position:absolute;left:-30px;bottom:-26px;background:#fff;border:1px solid var(--c-line);
  border-radius:16px;padding:20px 26px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:16px;
}
.about-media .exp-card b{font-size:40px;font-weight:800;background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.about-media .exp-card small{display:block;font-size:13px;color:var(--c-ink-2)}
.about-text h2{font-size:clamp(24px,3vw,34px);color:var(--c-navy-900);line-height:1.35;margin:14px 0 18px}
.about-text>p{color:var(--c-ink-2);margin-bottom:14px}
.about-text .lead{font-size:16.5px;color:var(--c-ink)}
.about-points{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--c-ink)}
.about-points svg{width:21px;height:21px;color:var(--c-blue);flex:none;margin-top:3px}
.about-points b{display:block;font-size:15px;color:var(--c-navy-900)}

/* 时间轴 */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--c-blue),var(--c-cyan))}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--c-blue);box-shadow:0 0 0 5px rgba(39,99,245,.14);
}
.tl-item .tl-year{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-blue);
  background:rgba(39,99,245,.10);border:1px solid rgba(39,99,245,.3);padding:3px 14px;border-radius:var(--radius-pill);margin-bottom:10px;
}
.tl-item h3{font-size:18px;color:var(--c-navy-900);margin-bottom:6px}
.tl-item p{color:var(--c-ink-2);font-size:14.5px;max-width:640px}

/* 资质 */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:34px 24px;text-align:center;transition:.25s;
}
.cert-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c7d8fb}
.cert-card .c-ico{width:62px;height:62px;margin:0 auto 16px;border-radius:18px;background:linear-gradient(135deg,rgba(39,99,245,.12),rgba(95,140,255,.14));display:flex;align-items:center;justify-content:center;color:var(--c-blue)}
.cert-card .c-ico svg{width:30px;height:30px}
.cert-card h3{font-size:16px;color:var(--c-navy-900);margin-bottom:6px}
.cert-card p{font-size:12.5px;color:var(--c-ink-3)}

/* ============================================================
   联系我们页
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.c-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px 26px;
  display:flex;gap:18px;align-items:flex-start;transition:.25s;
}
.c-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.c-ico{
  width:52px;height:52px;border-radius:14px;flex:none;
  background:linear-gradient(135deg,rgba(39,99,245,.12),rgba(95,140,255,.12));
  border:1px solid rgba(39,99,245,.22);color:var(--c-blue);
  display:flex;align-items:center;justify-content:center;
}
.c-ico svg{width:25px;height:25px}
.c-card h3{font-size:15.5px;color:var(--c-navy-900);margin-bottom:5px}
.c-card p{font-size:14.5px;color:var(--c-ink-2);word-break:break-all}
.c-card p b{color:var(--c-ink);font-size:16px}

.contact-form-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:38px 40px;box-shadow:var(--shadow-sm);
}
.contact-form-wrap h3{font-size:23px;color:var(--c-navy-900);margin-bottom:6px}
.contact-form-wrap>p{color:var(--c-ink-3);font-size:14px;margin-bottom:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-item{display:flex;flex-direction:column;gap:7px}
.form-item.full{grid-column:1/-1}
.form-item label{font-size:13.5px;font-weight:600;color:var(--c-ink)}
.form-item label i{color:var(--c-orange);font-style:normal;margin-left:2px}
.form-item input,.form-item select,.form-item textarea{
  font-family:inherit;font-size:14.5px;color:var(--c-ink);
  border:1.5px solid var(--c-line);border-radius:10px;padding:12px 15px;background:#fbfdff;transition:.2s;
  width:100%;
}
.form-item textarea{min-height:130px;resize:vertical}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{
  outline:none;border-color:var(--c-blue);background:#fff;box-shadow:0 0 0 4px rgba(39,99,245,.12);
}
.form-item input.err,.form-item textarea.err{border-color:#e5484d;box-shadow:0 0 0 4px rgba(229,72,77,.10)}
.form-tip{font-size:12.5px;color:var(--c-ink-3);display:flex;gap:6px;align-items:center;margin-top:2px}
.form-submit{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-success{
  display:none;margin-top:18px;background:#eefaf2;border:1px solid #b9e6cb;color:#147a3f;
  border-radius:10px;padding:13px 17px;font-size:14px;
}
.form-success.show{display:block}
.form-success.err{background:#fdeef0;border-color:#f3c3c8;color:#b32a3a}

/* 交通指引 */
.where-sec .where-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.where-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px}
.where-card .w-ico{width:48px;height:48px;border-radius:13px;background:rgba(39,99,245,.10);color:var(--c-blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.where-card .w-ico svg{width:23px;height:23px}
.where-card h3{font-size:16.5px;color:var(--c-navy-900);margin-bottom:8px}
.where-card p{font-size:14px;color:var(--c-ink-2);line-height:1.8}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1200px) and (min-width:769px){
  .nav{gap:3px}
  .nav>a{padding:8px 11px;font-size:14px}
  .nav-cta{margin-left:8px;padding:9px 14px !important}
  .lang-wrap{margin-left:4px}
  .lang-btn{padding:7px 11px;font-size:13px}
}
@media (max-width:1024px){
  .grid-cards.g3,.grid-cards.g4,.why-wrap,.cert-grid,.scene-grid,.where-grid{grid-template-columns:repeat(2,1fr)}
  .why-wrap{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:64px;padding:60px 0 140px}
  .hero-visual{max-width:560px;margin-inline:auto;width:100%}
  .stat-band .inner{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2)::after{display:none}
  .stat{padding:26px 18px}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
  .spotlight,.about-grid{grid-template-columns:1fr}
  .about-media .exp-card{left:16px}
  .footer-main{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .topbar .tb-left span:nth-child(2){display:none}
  .nav-toggle{display:flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;padding:18px 6vw 26px;gap:4px;
    border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-lg);
    transform:translateY(-130%);transition:.3s;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 12px;font-size:16px;border-radius:10px}
  .nav a.active{background:rgba(39,99,245,.08)}
  .nav a.active::after{display:none}
  .nav-cta{margin:10px 0 0;justify-content:center}
  .nav a.lang-switch{margin:8px 0 0;width:100%;justify-content:center;padding:13px 12px !important;font-size:15px}
  /* 移动抽屉内：语言按钮整宽，点击展开内嵌两项 */
  .lang-wrap{width:100%;margin:12px 0 0}
  .lang-btn{width:100%;justify-content:center;padding:12px 14px;font-size:15px}
  .lang-menu{position:static;min-width:0;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;padding:4px 0 0;margin-top:6px;display:none}
  .lang-wrap.open .lang-menu{display:flex}
  .lang-menu a{justify-content:center;padding:12px 12px !important;font-size:15px;border:1px solid var(--c-line);border-radius:10px}
  .lang-menu a.on{background:rgba(39,99,245,.08)}
  .sec{padding:64px 0}
  .grid-cards.g3,.grid-cards.g4,.why-wrap,.cert-grid,.scene-grid,.where-grid,.form-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero-inner{padding-bottom:150px}
  .cta-band{padding:40px 28px}
  .footer-main{grid-template-columns:1fr;gap:36px}
  .spotlight-body{padding:30px 26px}
  .contact-form-wrap{padding:28px 22px}
  .stat-band .inner{grid-template-columns:1fr 1fr}
  .stat:nth-child(2)::after{display:block;display:none}
}
@media (max-width:560px){
  .stat-band .inner{grid-template-columns:1fr}
  .stat::after{display:none !important}
  .stat{border-bottom:1px solid var(--c-line)}
  .stat:last-child{border-bottom:none}
  .about-points{grid-template-columns:1fr}
  .topbar .tb-right{display:none}
}

/* ---------- FAQ（首页常见问题，GEO 可见问答） ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:rgba(39,99,245,.45);box-shadow:var(--shadow-sm)}
.faq-q{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;font-weight:600;font-size:16px;color:var(--c-ink);cursor:pointer;user-select:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q .faq-x{flex:none;color:var(--c-blue);font-size:20px;font-weight:700;line-height:1;transition:transform .25s}
.faq-item[open] .faq-x{transform:rotate(45deg)}
.faq-a{padding:0 22px 18px;color:var(--c-ink-2);font-size:15px}

/* ============================================================
   解决方案页 / 技术中心页（2026-09 由内容后台新增页面启用）
   ============================================================ */
.sol-list{display:grid;gap:30px;margin-top:44px}
.sol-list .spotlight{box-shadow:var(--shadow-sm)}
/* 图片区填满卡片高度，避免右侧文字多时左边出现大片空白 */
.sol-list .spotlight .sp-img{height:100%;min-height:340px}
/* CTA 不再被 flex 拉成整行，收成常规胶囊按钮靠左 */
.sol-list .spotlight-body .btn{
  align-self:flex-start;padding:11px 24px;font-size:14.5px;letter-spacing:.2px;margin-top:2px;
}
.sol-list .spotlight-body .btn svg{width:16px;height:16px}
.sol-list .spotlight-body{padding:36px 40px;gap:14px}
.sol-list .spotlight-body h3{font-size:24px;line-height:1.35}
.sol-list .spotlight-body .chips{margin-top:2px}
.sol-tag{
  align-self:flex-start;display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  color:var(--c-blue);background:rgba(39,99,245,.09);border:1px solid rgba(39,99,245,.22);
  padding:5px 14px;border-radius:999px;margin-bottom:2px;
}
.spotlight-body h3{margin:4px 0 0}
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:44px}
.doc-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px 26px;
  display:flex;flex-direction:column;gap:10px;transition:.25s;position:relative;overflow:hidden;
}
.doc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-accent);opacity:0;transition:.3s}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c7d8fb}
.doc-card:hover::before{opacity:1}
.doc-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.doc-tag{font-size:12px;font-weight:700;color:var(--c-blue);background:rgba(39,99,245,.09);padding:3px 11px;border-radius:999px}
.doc-date{font-size:12.5px;color:var(--c-ink-3)}
.doc-card h3{font-size:17.5px;color:var(--c-navy-900);line-height:1.45}
.doc-card p{font-size:13.8px;color:var(--c-ink-2);line-height:1.75;flex:1}
.doc-more{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;margin-top:4px;
  color:var(--c-blue);font-size:14px;font-weight:600;
}
.doc-more svg{width:15px;height:15px;transition:transform .2s}
.doc-more:hover svg{transform:translateX(4px)}
@media (max-width:768px){
  .doc-grid{grid-template-columns:1fr}
  .sol-list{margin-top:30px}
}

/* ============================================================
   GEO / 买家定位 新增区块（2026-09 三类买家 + 双语）
   ============================================================ */
.who-card{border-top:3px solid var(--c-blue)}
.who-card .p-tag{background:var(--c-blue);color:#fff}

/* 三类买家（我们服务谁）卡片的主 CTA
   2026-09-22：原先挂在卡片底栏 .pcard-foot 里，是一条贴底的蓝色文字链接，
   视觉权重太轻、又容易被当成页脚忽略。现上移到 .pcard-body 正文内、
   紧随参数标签之后，并做成品蓝实心胶囊按钮（双箭头暗示继续前进）。 */
.who-card .who-btn{
  margin-top:6px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:14px 20px;border-radius:var(--radius-pill);
  background:var(--c-blue);color:#fff;
  font-size:14.5px;font-weight:700;letter-spacing:.3px;line-height:1.2;
  text-decoration:none;
  box-shadow:0 8px 20px rgba(39,99,245,.28);
  transition:background .2s,transform .2s,box-shadow .2s;
}
.who-card .who-btn:hover{
  background:#1a4fd4;color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(39,99,245,.42);
}
.who-card .who-btn .who-ars{display:inline-flex;align-items:center;gap:5px}
.who-card .who-btn .who-ars svg{width:16px;height:16px;flex:0 0 auto;transition:transform .2s}
.who-card .who-btn .who-ars svg+svg{opacity:.62}
.who-card .who-btn:hover .who-ars svg{transform:translateX(3px)}
[dir="rtl"] .who-card .who-btn .who-ars svg{transform:scaleX(-1)}
[dir="rtl"] .who-card .who-btn:hover .who-ars svg{transform:scaleX(-1) translateX(3px)}
.en-band{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-left:4px solid var(--c-blue);border-radius:var(--radius);
  padding:40px 46px;box-shadow:var(--shadow-sm);
}
.en-band::before{
  content:"EN";position:absolute;top:-1px;right:34px;
  font-size:11px;font-weight:800;letter-spacing:1.5px;
  color:rgba(39,99,245,.16);
}
.en-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:6px}
.en-badge{
  flex:none;width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,#2763f5,#5f8cff);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.5px;
}
.en-head h2{font-size:clamp(18px,2.4vw,26px);color:var(--c-navy-900);line-height:1.4;margin-top:4px}
.en-text{
  margin:14px 0 22px;font-size:15px;line-height:1.9;
  color:var(--c-ink-2);max-width:1000px;
  font-family:Georgia,"Times New Roman",serif;
}
@media (max-width:768px){
  .en-band{padding:26px 22px}
  .en-head{flex-direction:column;gap:12px}
  .en-text{font-size:14.5px}
}

/* ============================================================
   产品详情页（product-<id>.html，由后台「详情页介绍」字段驱动）
   ============================================================ */
.pd-hero{padding:56px 0 16px}
.pd-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:start}
.pd-img{
  border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;
  background:var(--c-navy-800);box-shadow:var(--shadow-md);
}
.pd-img img{width:100%;height:100%;object-fit:cover;display:block}
.pd-info{display:flex;flex-direction:column;gap:14px}
.pd-info h2{font-size:clamp(22px,2.6vw,30px);color:var(--c-navy-900);line-height:1.35}
.pd-badge{
  display:inline-block;align-self:flex-start;background:var(--grad-accent);color:var(--c-navy-900);
  font-weight:700;font-size:12.5px;padding:4px 14px;border-radius:var(--radius-pill);letter-spacing:.5px;
}
.pd-desc{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.pd-spec-box{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:20px 22px;margin-top:6px;
}
.pd-spec-box h3{font-size:14px;color:var(--c-navy-900);letter-spacing:2px;margin-bottom:12px}
.pd-spec{display:flex;flex-wrap:wrap;gap:8px}
.pd-spec li{
  font-size:13px;color:var(--c-ink-2);background:var(--c-bg-soft);
  border:1px solid var(--c-line);padding:5px 14px;border-radius:var(--radius-pill);
}
.pd-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}
.pd-detail{padding:44px 0 8px}
.pd-detail .container{max-width:960px}
.pd-rich h3{
  font-size:19px;color:var(--c-navy-900);margin:30px 0 12px;padding-left:12px;
  border-left:4px solid var(--c-blue);line-height:1.4;
}
.pd-rich p{font-size:15px;color:var(--c-ink-2);line-height:1.95;margin:12px 0}
.pd-rich ul{margin:12px 0;padding-left:6px;list-style:none;display:flex;flex-direction:column;gap:8px}
.pd-rich ul li{
  position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);line-height:1.8;
}
.pd-rich ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;
  border-radius:2px;background:var(--grad-accent);transform:rotate(45deg);
}
.pd-rich strong{color:var(--c-ink);font-weight:700}
/* 详情正文表格（后台 | 项目 | 信息 | 或从 Word 粘贴自动转换） */
.pd-table-wrap{margin:14px 0 20px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.pd-rich .pd-table{width:100%;min-width:420px;border-collapse:collapse;font-size:14.5px}
.pd-rich .pd-table th,.pd-rich .pd-table td{
  border:1px solid var(--c-line);padding:11px 15px;line-height:1.7;
  text-align:left;vertical-align:top;color:var(--c-ink-2);
}
.pd-rich .pd-table thead th{
  background:#f2f6fd;color:var(--c-navy-900);font-weight:700;font-size:14.5px;
}
.pd-rich .pd-table tbody tr:nth-child(even){background:#fafcff}
@media (max-width:640px){
  .pd-rich .pd-table th,.pd-rich .pd-table td{padding:9px 11px;font-size:13.5px}
}
.pd-related{padding:52px 0 84px}
/* 产品卡可点击（图片/标题进入详情页）+「查看详情」链接 */
.pcard a.p-img{display:block;color:inherit;text-decoration:none}
.pcard-body h3 a{color:inherit;text-decoration:none}
.pcard-body h3 a:hover{color:var(--c-blue)}
.pd-more{
  font-size:13.5px;font-weight:600;color:var(--c-blue);
  display:inline-flex;align-items:center;gap:5px;text-decoration:none;margin-top:4px;
}
.pd-more svg{width:14px;height:14px;transition:.2s}
.pd-more:hover{gap:9px}
@media (max-width:880px){
  .pd-hero{padding:36px 0 8px}
  .pd-hero-grid{grid-template-columns:1fr;gap:26px}
  .pd-related{padding:40px 0 56px}
}

/* ============================================================
   RTL 镜像（阿拉伯语站 <html dir="rtl">）
   —— dir="rtl" 已自动翻转 flex / grid 顺序与文本流向，
      下面只补物理属性（left/right、左右边框与内距）的镜像
   ============================================================ */
[dir="rtl"]{font-family:"Segoe UI","Noto Sans Arabic","Dubai","Tahoma",Arial,sans-serif}
[dir="rtl"] .lang-wrap{margin-left:0;margin-right:6px}
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .lang-menu a{text-align:right}
[dir="rtl"] .float-bar{right:auto;left:20px}
[dir="rtl"] .float-bar a span,[dir="rtl"] .float-bar button span{right:auto;left:60px}
[dir="rtl"] .footer-main h4::after{left:auto;right:0}
[dir="rtl"] .cat-menu{border-left:0;border-right:1px solid var(--c-line)}
[dir="rtl"] .cat-menu button{
  text-align:right;border-left:0;border-right:3px solid transparent;
  margin-left:0;margin-right:-1px;border-radius:8px 0 0 8px;
}
[dir="rtl"] .cat-menu button.on{border-right-color:var(--c-blue)}
[dir="rtl"] .pcard .p-tag{left:auto;right:12px}
[dir="rtl"] .pcard .p-hot{right:auto;left:12px}
[dir="rtl"] .stat:not(:last-child)::after{right:auto;left:0}
[dir="rtl"] .timeline{padding-left:0;padding-right:34px}
[dir="rtl"] .timeline::before{left:auto;right:8px}
[dir="rtl"] .tl-item::before{left:auto;right:-33px}
[dir="rtl"] .about-media .exp-card{left:auto;right:-30px}
[dir="rtl"] .en-band{border-left:0;border-right:4px solid var(--c-blue)}
[dir="rtl"] .en-band::before{right:auto;left:34px}
[dir="rtl"] .pd-rich h3{padding-left:0;padding-right:12px;border-left:0;border-right:4px solid var(--c-blue)}
[dir="rtl"] .pd-rich ul{padding-left:0;padding-right:6px}
[dir="rtl"] .pd-rich ul li{padding-left:0;padding-right:22px}
[dir="rtl"] .pd-rich ul li::before{left:auto;right:2px}
[dir="rtl"] .pd-rich .pd-table th,[dir="rtl"] .pd-rich .pd-table td{text-align:right}
[dir="rtl"] .pcard-spec li,[dir="rtl"] .about-points li{text-align:right}
[dir="rtl"] .footer-links a,[dir="rtl"] .footer-contact li{text-align:right}
/* 阿语站：卡片底栏箭头图标镜像（→ 变 ←），hover 位移方向同时取反 */
[dir="rtl"] .pcard-foot .inquire svg,[dir="rtl"] .pcard-foot .pd-more svg{transform:scaleX(-1)}
[dir="rtl"] .prod-cards .pcard-foot .pd-more:hover svg{transform:scaleX(-1) translateX(3px)}
@media (max-width:1080px){
  [dir="rtl"] .cat-menu{border-right:0}
}
@media (max-width:880px){
  [dir="rtl"] .about-media .exp-card{right:16px}
}