:root {
  /* ===== 设计令牌 v2（方案 A 深钢蓝）===== */
  --ink: #0B1F2E;
  --navy: #0B1F2E;
  --navy-2: #14344C;
  --blue: #14486B;
  --blue-dark: #0F3A57;
  --blue-light: #EEF3F7;
  --gold: #C8963E;
  --gold-dark: #A87B2E;
  --text: #26313D;
  --muted: #5C6B7A;
  --bg: #F6F8FA;
  --surface-2: #F6F8FA;
  --white: #ffffff;
  --border: #E3E8EE;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(11, 31, 46, 0.06);
  /* 三级高度体系 */
  --sh-1: 0 1px 2px rgba(11, 31, 46, 0.06);
  --sh-2: 0 4px 14px rgba(11, 31, 46, 0.08);
  --sh-3: 0 14px 34px rgba(11, 31, 46, 0.12);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Arial, Helvetica, sans-serif; color: var(--text); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: var(--navy-2); text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; }
    .brand-logo { height: 40px; width: auto; }
    .brand-name { font-size: 23px; font-weight: 800; color: var(--navy); letter-spacing: 0.5px; }
    .brand-name::before { content: ''; display: inline-block; width: 11px; height: 11px; border-radius: 50%; background: var(--gold); margin-right: 9px; vertical-align: 2px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
    .site-nav a { position: relative; color: var(--text); font-weight: 500; font-size: 15px; padding: 6px 2px; }
    .site-nav a:hover { color: var(--blue); }
    .site-nav a.active { color: var(--gold); font-weight: 700; }
    .site-nav a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px; border-radius: 2px; background: var(--gold); }
    .nav-cta { margin-left: 18px; padding: 8px 20px; font-size: 14px; font-weight: 600; color: var(--gold); border: 1.5px solid var(--gold); border-radius: 6px; background: transparent; transition: all 0.2s; }
    .nav-cta:hover { background: var(--gold); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--navy); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 22px; border-radius: 6px; font-weight: 600; font-size: 15px; line-height: 1.15; white-space: nowrap; cursor: pointer; border: none; transition: 0.2s; }
.btn-gold { background: var(--blue); color: #fff; }
.btn-gold:hover { background: var(--blue-dark); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-lg { min-height: 52px; padding: 0 32px; font-size: 16px; }
.btn-wa { background: #25d366; color: #fff; margin-top: 8px; }
.btn-wa:hover { background: #1eb958; }

/* hero */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #1d5279 100%); color: #fff; padding: 56px 0 60px; }
    .hero-inner { display: flex; align-items: center; gap: 36px; }
    .hero-text { flex: 1; min-width: 0; }
    .hero-kicker { color: #9cc4ff; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 13px; margin-bottom: 14px; }
    .hero h1 { font-size: 42px; line-height: 1.2; max-width: 700px; margin-bottom: 18px; }
    .hero-sub { font-size: 17px; opacity: 0.92; max-width: 640px; margin-bottom: 34px; }
    .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
    .hero-visual { flex: 0 0 380px; display: flex; flex-direction: column; gap: 14px; }
    .hero-card { background: #fff; border-radius: 12px; padding: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); height: 118px; display: flex; align-items: center; justify-content: center; }
    .hero-card img { max-height: 100%; max-width: 100%; object-fit: contain; border-radius: 6px; }
    @media (max-width: 900px) { .hero-inner { flex-direction: column; } .hero-visual { flex: 0 0 auto; width: 100%; flex-direction: row; } .hero-card { flex: 1; height: 100px; } }

/* sections */
.section { padding: 70px 0; }
.section-gray { background: var(--bg); }
.section-title { font-size: 30px; color: var(--navy); margin-bottom: 12px; }
.lead { font-size: 17px; max-width: 900px; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.stat { background: var(--bg); border-radius: var(--radius); padding: 26px 20px; text-align: center; }
.stat strong { display: block; font-size: 30px; color: var(--navy); }
.stat span { color: var(--muted); font-size: 14px; }

/* category cards */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.cat-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: 0.25s; }
.cat-card:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(15,42,67,0.14); }
/* .cat-img 基础定义由文末接管 */
.cat-body { padding: 20px; }
.cat-body h3 { color: var(--navy); font-size: 18px; margin-bottom: 4px; }
.cat-body p { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.cat-link { color: var(--blue); font-weight: 600; font-size: 14px; }

/* why */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin: 30px 0; }
.why { background: var(--bg); border-radius: var(--radius); padding: 24px; }
.why h3 { color: var(--navy); font-size: 17px; margin-bottom: 8px; }
.why p { color: var(--muted); font-size: 14px; }

/* shop banner */
.shop-banner { width: 100%; background: var(--white); }
.shop-banner img { width: 100%; height: auto; display: block; }

/* video */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 30px; }
.video-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.video-card video { width: 100%; aspect-ratio: 16/9; background: #000; display: block; }
.video-card h3 { color: var(--navy); margin: 16px 18px 4px; font-size: 17px; }
.video-card p { color: var(--muted); margin: 0 18px 18px; font-size: 14px; }
.video-card-empty .video-placeholder { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #C3CCD6; display: flex; align-items: center; justify-content: center; font-size: 16px; text-align: center; line-height: 1.8; }
@media (max-width: 620px) { .video-grid { grid-template-columns: 1fr; } }

/* cta band */
.cta-band { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 44px; }
.cta-band h3 { font-size: 22px; }

/* page hero */
.page-hero { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; padding: 64px 0; }
.page-hero h1 { font-size: 38px; margin-bottom: 8px; }
.page-hero p { opacity: 0.9; font-size: 16px; }
.breadcrumb { font-size: 13px !important; opacity: 0.8; margin-bottom: 6px; }
.breadcrumb a { color: #fff; text-decoration: underline; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.step { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.step-num { color: var(--blue); font-weight: 800; font-size: 22px; }
.step h3 { color: var(--navy); margin: 8px 0; }
.step p { color: var(--muted); font-size: 14px; }

/* commit */
.commit-list { margin: 24px 0 0 18px; }
.commit-list li { margin-bottom: 10px; font-size: 16px; }

/* product grid */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.prod-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: 0.25s; }
.prod-card:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(15,42,67,0.14); }
.prod-img { height: 210px; background: #fff; display: flex; align-items: center; justify-content: center; padding: 14px; }
.prod-img img { max-height: 100%; object-fit: contain; }
.prod-body { padding: 16px 18px; }
.prod-body h3 { color: var(--navy); font-size: 15.5px; margin-bottom: 4px; }
.prod-series { color: var(--muted); font-size: 12.5px; margin-bottom: 6px; }
.prod-link { color: var(--blue); font-weight: 600; font-size: 13.5px; }

/* product detail */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.pd-img { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; align-items: center; justify-content: center; min-height: 380px; }
    .pd-img img { max-height: 420px; object-fit: contain; }
    .pd-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; justify-content: center; }
    .pd-thumb { width: 64px; height: 64px; object-fit: cover; border: 2px solid var(--border); border-radius: 8px; cursor: pointer; background: #fff; padding: 4px; transition: border-color 0.2s; }
    .pd-thumb:hover { border-color: var(--blue); }
    .pd-thumb.active { border-color: var(--gold); }
.param-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.param-table th, .param-table td { padding: 11px 14px; font-size: 14px; text-align: left; border-bottom: 1px solid var(--border); }
.param-table th { background: var(--navy); color: #fff; width: 42%; font-weight: 600; }
.param-table tr:nth-child(even) td { background: var(--bg); }
.feat-list { margin: 20px 0 0 18px; columns: 2; column-gap: 40px; }
.feat-list li { margin-bottom: 10px; font-size: 15px; }

/* applications */
.app-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.app-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; }
.app-card h3 { color: var(--navy); margin-bottom: 10px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 44px; align-items: start; }
.contact-form-wrap h2, .contact-info h2 { color: var(--navy); margin-bottom: 18px; }
.contact-form { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.f-row { margin-bottom: 16px; }
.f-row label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.f-row input, .f-row textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--border); border-radius: 6px; font-size: 15px; font-family: inherit; }
.f-row input:focus, .f-row textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.form-note { margin-top: 12px; font-size: 14px; color: var(--muted); }
.contact-info p { margin-bottom: 16px; font-size: 15px; }
.contact-info .note { color: var(--muted); font-size: 13.5px; }

/* footer */
.site-footer { background: var(--navy); color: #cfd8e2; padding: 56px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 40px; padding-bottom: 40px; }
.site-footer h4 { color: #fff; margin-bottom: 14px; font-size: 16px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.footer-brand h4 { margin-bottom: 0; font-size: 18px; }
.footer-logo { height: 46px; width: auto; }
.site-footer a { color: #cfd8e2; display: block; margin-bottom: 8px; }
.site-footer a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 24px; font-size: 13px; color: #93a4b4; }

/* responsive */
@media (max-width: 980px) {
  .cat-grid, .why-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .product-detail, .contact-grid { grid-template-columns: 1fr; }
  .site-nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--border); display: none; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .nav-toggle { display: flex; }
}
@media (max-width: 620px) {
  .cat-grid, .why-grid, .prod-grid, .steps, .stats, .app-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .feat-list { columns: 1; }
}

/* ===== 2026-11 改版新增 ===== */
/* 页脚双联系人 */
.footer-contacts { display: flex; flex-direction: column; gap: 10px; }
.fc-item { display: block; padding: 10px 13px !important; background: rgba(255,255,255,0.06);
  border-radius: 8px; border-left: 3px solid var(--gold); margin-bottom: 0 !important; transition: .2s; }
.fc-item:hover { background: rgba(255,255,255,0.13); }
.fc-name { display: block; color: #fff; font-weight: 700; font-size: 14px; }
.fc-title { display: block; color: #a9bccd; font-size: 11.5px; margin-top: 1px; letter-spacing: .2px; }
.fc-phone { display: block; color: var(--gold); font-size: 13px; font-weight: 600; margin-top: 4px; letter-spacing: .3px; }

/* 产品页 datasheet 按钮 */
.pd-ds-btn { display: inline-flex; align-items: center; gap: 9px; margin-top: 20px; }
.pd-ds-btn .ds-ico { background: #fff; color: var(--blue); font-size: 10px; font-weight: 800;
  padding: 2px 5px; border-radius: 3px; letter-spacing: .6px; }
.pd-ds-btn em { font-style: normal; opacity: .85; font-size: 12.5px; font-weight: 400; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: center; }

/* 整本手册下载 */
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: 16px; margin-top: 26px; }
.dl-card { display: flex; flex-direction: column; gap: 7px; padding: 20px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); transition: .2s; }
.dl-card:hover { transform: translateY(-2px); border-color: var(--blue); box-shadow: 0 6px 18px rgba(15,42,67,.12); }
.dl-ico { display: inline-block; width: fit-content; background: var(--blue); color: #fff; font-size: 10px;
  font-weight: 800; padding: 3px 7px; border-radius: 4px; letter-spacing: .6px; }
.dl-name { font-size: 15.5px; font-weight: 700; color: var(--navy); line-height: 1.35; }
.dl-meta { font-size: 12.5px; color: var(--muted); }
.page-hero .page-hero-link { margin-top: 16px; display: inline-block; }

/* 合作伙伴（接口预留，enabled=false 时不渲染） */
.partner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 18px; margin-top: 26px; }
.partner-card { padding: 22px 16px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); }
.partner-card img { max-height: 52px; width: auto; margin: 0 auto 12px; object-fit: contain; }
.partner-name { font-weight: 700; color: var(--navy); font-size: 14px; }
.partner-meta { font-size: 12px; color: var(--muted); margin-top: 5px; line-height: 1.45; }

@media (max-width: 720px) {
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { text-align: center; }
  .footer-contacts { margin-top: 6px; }
}

/* ===== 首页全屏 Banner（2026-11 改版） ===== */
.hero-banner { position: relative; min-height: 640px; display: flex; align-items: center;
  overflow: hidden; background: #0a2038; }
.hb-slides { position: absolute; inset: 0; }
.hb-slide { position: absolute; inset: 0; background-size: cover; background-position: center right;
  opacity: 0; transition: opacity 1.4s ease; transform: scale(1.02); }
.hb-slide.active { opacity: 1; animation: kenburns 16s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1.0); } to { transform: scale(1.055); } }
.hb-veil { position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(4,13,24,.93) 0%, rgba(4,13,24,.80) 34%, rgba(4,13,24,.38) 58%, rgba(4,13,24,.06) 82%, rgba(4,13,24,0) 100%); }
.hb-inner { position: relative; z-index: 2; color: #fff; padding-top: 72px; padding-bottom: 72px;
  display: flex; align-items: center; gap: 46px; }
.hb-text { flex: 1 1 auto; min-width: 0; max-width: 780px; }
/* Banner 文字整体左移（覆盖 .container 的 1200px 居中约束） */
.hero-banner .container.hb-inner {
  max-width: none;      /* 不吃 .container 的 1200px 限制 */
  margin-left: 0;       /* 关键：取消 margin:0 auto 的居中 */
  margin-right: 0;
  padding-left: clamp(28px, 4.5vw, 96px);
  padding-right: 24px;
}
.hero-banner .hb-text { max-width: 820px; }

.hb-visual { flex: 0 0 400px; width: 400px; height: 400px; position: relative; }
.hb-prod { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  background: #fff; border-radius: 20px; padding: 30px; opacity: 0;
  transition: opacity .9s ease; box-shadow: 0 26px 64px rgba(0,0,0,.42); }
.hb-prod.active { opacity: 1; }
.hb-kicker { text-shadow: 0 1px 8px rgba(3,10,20,.65); font-size: 12.5px; letter-spacing: 2.6px; text-transform: uppercase;
  color: var(--gold); font-weight: 700; }
.hb-kicker::before { content: ""; display: block; width: 48px; height: 3px;
  background: var(--gold); margin-bottom: 18px; border-radius: 2px; }
.hero-banner h1 { text-shadow: 0 2px 18px rgba(3,10,20,.75); font-size: 46px; line-height: 1.12; margin: 15px 0 18px; font-weight: 800;
  letter-spacing: -.5px; }
.hero-banner h1 span { display: block; margin-top: 10px; font-size: 30px; font-weight: 700;
  color: #9dc0e4; letter-spacing: 0; }
.hb-sub { text-shadow: 0 1px 10px rgba(3,10,20,.70); font-size: 16.5px; line-height: 1.78; color: #DDE4EA; max-width: 680px; }
.hb-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hb-cta .btn-lg { padding: 13px 28px; font-size: 15.5px; }
.hb-stats { display: flex; gap: 46px; margin-top: 42px; list-style: none; padding: 0; }
.hb-stats li { border-left: 2px solid rgba(200,150,62,.55); padding-left: 14px; }
.hb-stats strong { display: block; font-size: 25px; color: #fff; line-height: 1.2; }
.hb-stats span { font-size: 12.5px; color: #9FB3C8; letter-spacing: .4px; }
.hb-dots { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  display: flex; gap: 9px; z-index: 3; }
.hb-dot { width: 34px; height: 4px; border-radius: 2px; background: rgba(255,255,255,.30);
  border: none; cursor: pointer; padding: 0; transition: .3s; }
.hb-dot.active { background: var(--gold); width: 50px; }
/* 文案分层揭示 */
.reveal { opacity: 0; transform: translateY(20px); animation: revealUp .85s cubic-bezier(.22,.7,.3,1) forwards; }
.reveal.d1 { animation-delay: .15s; } .reveal.d2 { animation-delay: .34s; }
.reveal.d3 { animation-delay: .52s; } .reveal.d4 { animation-delay: .70s; }
.reveal.d5 { animation-delay: .88s; }
@keyframes revealUp { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .reveal, .hb-slide { animation: none !important; opacity: 1 !important; transform: none !important; }
}
@media (max-width: 1020px) {
  .hb-visual { display: none; }
  .hb-inner { gap: 0; }
}
@media (max-width: 900px) {
  .hero-banner { min-height: 560px; }
  .hero-banner h1 { font-size: 30px; }
  .hero-banner h1 span { font-size: 19px; }
  .hb-sub { font-size: 14.5px; }
  .hb-stats { gap: 20px; margin-top: 30px; flex-wrap: wrap; }
  .hb-stats strong { font-size: 19px; }
  .hb-inner { padding-top: 52px; padding-bottom: 64px; }
  .hb-veil { background: linear-gradient(180deg, rgba(6,20,36,.86) 0%, rgba(6,20,36,.62) 55%, rgba(6,20,36,.42) 100%); }
}

/* 询盘表单：双通道提交结果面板 */
.form-note { margin-top: 12px; font-size: 14px; color: var(--muted); }
.form-result { margin-top: 22px; padding: 22px; background: #F8FAFB; border: 1px solid var(--border);
  border-radius: var(--radius); }
.fr-title { font-weight: 700; color: var(--navy); margin-bottom: 14px; font-size: 16px; }
.fr-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.fr-preview { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px;
  font-size: 13px; line-height: 1.65; color: #37424E; white-space: pre-wrap; word-break: break-word;
  font-family: 'Segoe UI', monospace; max-height: 320px; overflow: auto; }
.fr-hint { margin-top: 14px; font-size: 13px; color: var(--muted); }
.form-note.error { color: #c0392b; }

/* ===== 企业动态 / News ===== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: .22s; }
.news-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(15,42,67,.14); border-color: var(--blue); }
.news-media { height: 190px; overflow: hidden; background: #EEF3F7; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-media img { transform: scale(1.04); }
.news-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--muted); }
.news-cat { background: var(--blue-light); color: var(--blue); font-weight: 700; padding: 3px 9px;
  border-radius: 4px; letter-spacing: .3px; }
.news-body h3 { font-size: 17.5px; color: var(--navy); line-height: 1.4; }
.news-body p { font-size: 14px; color: var(--muted); line-height: 1.65; flex: 1; }
.news-more { font-size: 13.5px; font-weight: 600; color: var(--blue); }
.news-hero-img { width: 100%; border-radius: var(--radius); margin: 28px 0 26px; }
.news-content p { font-size: 15.5px; line-height: 1.85; color: #37424E; margin-bottom: 18px; }
.news-back { margin-top: 30px; font-size: 14px; }
.page-hero .breadcrumb { font-size: 13px; opacity: .85; margin-bottom: 10px; }
.page-hero .breadcrumb a { color: #cfe0ef; }

/* datasheet 页面内嵌预览 */
.ds-preview { margin-top: 44px; }
.ds-head { display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.ds-head h2 { font-size: 22px; color: var(--navy); font-weight: 700; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.ds-preview img { width: 100%; max-width: 880px; display: block; margin: 0 auto;
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(15,42,67,.10); background: #fff; }
/* 页脚联系方式：类型标注 */
.fc-label { display: block; font-size: 10.5px; color: #7f95a9; letter-spacing: .8px;
  text-transform: uppercase; margin-top: 5px; }
.fc-phone { order: -1; }

/* ===== 证书与合规页 ===== */
.cert-standards { width: 100%; border-collapse: collapse; margin-top: 28px; }
.cert-standards th { text-align: left; font-size: 13px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--muted); font-weight: 700; padding: 0 0 14px; border-bottom: 2px solid var(--navy); }
.cert-standards td { padding: 18px 16px 18px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.cs-group { font-weight: 700; color: var(--navy); font-size: 15px; width: 34%; }
.cs-tag { display: inline-block; background: var(--blue-light); color: var(--blue-dark);
  font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 5px; margin: 0 7px 7px 0;
  letter-spacing: .2px; }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; margin-top: 22px; }
.cert-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: #fff; box-shadow: var(--shadow); }
.cert-media { height: 210px; overflow: hidden; background: var(--surface-2); position: relative; }
.cert-media img { width: 100%; height: 100%; object-fit: cover; }
.cert-blur img { filter: blur(7px) saturate(.85); transform: scale(1.06); }
.cert-blur::after { content: "Sample"; position: absolute; right: 10px; bottom: 10px;
  background: rgba(15,42,67,.78); color: #fff; font-size: 11px; padding: 3px 8px; border-radius: 4px; }
.cert-body { padding: 16px 18px 20px; }
.cert-name { font-weight: 700; color: var(--navy); font-size: 15.5px; margin-bottom: 7px; }
.cert-meta { font-size: 13px; color: var(--muted); line-height: 1.6; }
.cert-note { margin-top: 48px; padding: 26px 28px; background: #F8FAFB;
  border-left: 4px solid var(--blue); border-radius: 8px; }
.cert-note strong { display: block; color: var(--navy); font-size: 16px; margin-bottom: 9px; }
.cert-note p { font-size: 14.5px; line-height: 1.75; color: #37424E; }
@media (max-width: 640px) {
  .cs-group { width: 100%; display: block; padding-bottom: 8px; }
  .cert-standards td { display: block; padding: 8px 0; }
  .cert-standards thead { display: none; }
}

/* 无图产品占位 */
.prod-ph { width: 100%; height: 100%; min-height: 200px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px; padding: 20px; text-align: center;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 60%, var(--blue-dark) 100%); }
.prod-ph span { color: #fff; font-weight: 700; font-size: 15px; line-height: 1.35; }
.prod-ph em { color: #9FB3C8; font-style: normal; font-size: 11.5px; letter-spacing: .5px; }
.pd-ph { width: 100%; aspect-ratio: 1/1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px; padding: 30px; text-align: center;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 60%, var(--blue-dark) 100%);
  border-radius: var(--radius); }
.pd-ph span { color: #fff; font-weight: 700; font-size: 20px; line-height: 1.4; }
.pd-ph em { color: #9FB3C8; font-style: normal; font-size: 13px; letter-spacing: .4px; }

/* ===== 站点版本号 + 更新日志 ===== */
.footer-bottom { flex-wrap: wrap; row-gap: 6px; }
.footer-ver { font-size: 12px; color: rgba(255,255,255,.55); letter-spacing: .2px; }
.footer-ver a { color: rgba(255,255,255,.72); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.25); }
.footer-ver a:hover { color: #fff; border-bottom-color: #fff; }

.cl-list { display: flex; flex-direction: column; gap: 22px; max-width: 860px; }
.cl-item { background: #fff; border: 1px solid #E3E8EE; border-left: 4px solid #C8963E; border-radius: 8px; padding: 22px 26px; }
.cl-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.cl-ver { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 13px; font-weight: 700;
  color: #fff; background: var(--blue); padding: 3px 10px; border-radius: 4px; letter-spacing: .3px; }
.cl-head time { font-size: 13px; color: #6b7785; }
.cl-item h3 { margin: 4px 0 10px; font-size: 17px; color: var(--blue); }
.cl-item ul { margin: 0; padding-left: 20px; }
.cl-item li { font-size: 14.5px; line-height: 1.75; color: #3d4a5a; }
@media (max-width: 640px) { .cl-item { padding: 18px; } }

/* ===== 新闻多图排版 ===== */
.news-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 6px 0 26px; }
.news-gallery figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: #EEF3F7; border: 1px solid var(--border); }
.news-gallery img { width: 100%; height: 100%; max-height: 460px; object-fit: cover; display: block; transition: transform .5s; }
.news-gallery figure:hover img { transform: scale(1.03); }
.news-content h2 { font-size: 22px; color: var(--navy); margin: 30px 0 14px; }
.news-content h3 { font-size: 18px; color: var(--navy); margin: 26px 0 12px; }
.news-content ul, .news-content ol { margin: 0 0 18px; padding-left: 22px; }
.news-content li { font-size: 15.5px; line-height: 1.8; color: #37424E; margin-bottom: 8px; }
.news-content a { color: var(--blue); text-decoration: underline; }
.news-content blockquote { margin: 0 0 18px; padding: 12px 18px; border-left: 3px solid #C8963E; background: #faf7f1; color: #4b5563; }
.news-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 6px 0 18px; }

/* 页脚后台入口（低调样式，不抢视觉） */
.site-footer .footer-login { margin: 0; }
.site-footer .footer-login a {
  display: inline-block; font-size: 12px; color: rgba(255,255,255,.42);
  text-decoration: none; letter-spacing: .3px; margin: 0;
  border-bottom: 1px dotted rgba(255,255,255,.22);
}
.site-footer .footer-login a:hover { color: #C8963E; border-bottom-color: #C8963E; }
@media (max-width: 720px) { .site-footer .footer-login { width: 100%; } }

/* ===== 员工登录状态徽标（仅登录后由 JS 注入） ===== */
.staff-chip {
  position: fixed; right: 18px; bottom: 18px; z-index: 9999;
  display: flex; align-items: center; gap: 4px;
  background: rgba(16,42,67,.96); color: #fff; border-radius: 40px;
  padding: 6px 8px 6px 6px; box-shadow: 0 10px 30px rgba(6,20,38,.35);
  font: 13px/1.3 system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  backdrop-filter: blur(6px);
  animation: scIn .35s ease-out;
}
@keyframes scIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.staff-chip .sc-who { display: flex; align-items: center; gap: 9px; text-decoration: none; color: #fff; }
.staff-chip .sc-av { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; display: block;
  border: 1.5px solid rgba(255,255,255,.6); }
.staff-chip .sc-av-ph { display: flex; align-items: center; justify-content: center; font-size: 15px;
  font-weight: 700; background: var(--blue); }
.staff-chip .sc-txt { display: flex; flex-direction: column; line-height: 1.25; }
.staff-chip .sc-txt strong { font-size: 13px; font-weight: 700; max-width: 130px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.staff-chip .sc-txt em { font-style: normal; font-size: 11px; color: #9fb3c8; display: flex; align-items: center; gap: 5px; }
.staff-chip .sc-dot { width: 6px; height: 6px; border-radius: 50%; background: #38d16a; display: inline-block; }
.staff-chip .sc-link { color: #cfd8e2; text-decoration: none; font-size: 12px; padding: 5px 9px;
  border-radius: 20px; border: 1px solid rgba(255,255,255,.22); }
.staff-chip .sc-link:hover { background: rgba(255,255,255,.14); color: #fff; }
.staff-chip .sc-out:hover { background: rgba(179,38,30,.85); border-color: transparent; }
.staff-chip .sc-close { background: transparent; border: 0; color: #7f93a8; font-size: 17px; line-height: 1;
  cursor: pointer; padding: 0 6px; }
.staff-chip .sc-close:hover { color: #fff; }
@media (max-width: 720px) {
  .staff-chip { right: 10px; bottom: 10px; padding: 5px; gap: 2px; }
  .staff-chip .sc-txt strong { max-width: 84px; font-size: 12px; }
  .staff-chip .sc-link { display: none; }
  .staff-chip .sc-out { display: inline-block; }
}

/* ================= 设计系统 v2（2026-11）=================
   方案 A 深钢蓝 · Inter 自托管 · 中等强度动效
   约束：不新增图片请求、不引入任何第三方库
   ======================================================== */
@font-face {
  font-family: 'InterVar';
  src: url('../fonts/inter-var-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

body, button, input, textarea, select {
  font-family: 'InterVar', 'Segoe UI', Arial, Helvetica, sans-serif;
}
body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
code, pre, kbd, samp { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; }

/* ---- 排版节奏 ---- */
h1, h2, h3, h4, .section-title { letter-spacing: -.011em; }
h1, h2 { line-height: 1.2; }
h3, h4 { line-height: 1.35; }
p { line-height: 1.72; }
.section-title { font-size: clamp(26px, 2.4vw, 32px); line-height: 1.28; font-weight: 700; }
.page-hero h1 { font-size: clamp(28px, 3.2vw, 40px); line-height: 1.18; font-weight: 800; }
.hero-banner h1 { font-size: clamp(30px, 3.5vw, 48px); line-height: 1.1; letter-spacing: -.02em; }
.hero-banner h1 span { font-size: clamp(20px, 2.2vw, 30px); }
.hb-kicker { font-weight: 600; letter-spacing: .16em; }
.hb-sub { line-height: 1.72; }
.section { padding: clamp(56px, 6vw, 84px) 0; }
.stat strong, .hb-stats strong { font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
table, .ds-table { font-variant-numeric: tabular-nums; }

/* ---- 按钮体系 ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 4px; padding: 11px 24px; font-size: 15px; font-weight: 600;
  letter-spacing: .01em; line-height: 1.3;
  transition: transform .18s var(--ease), background-color .18s var(--ease),
              border-color .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
}
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.btn-gold {
  background: var(--blue); border: 1px solid var(--blue); color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 1px 2px rgba(11,31,46,.18);
}
.btn-gold:hover {
  background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 8px 20px rgba(11,31,46,.22);
}
.btn-gold:active { transform: translateY(0); box-shadow: inset 0 2px 4px rgba(0,0,0,.24); }

.btn-outline { background: rgba(255,255,255,.02); color: #fff; border: 1px solid rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.9); transform: translateY(-1px); }
.btn-outline:active { transform: translateY(0); }

.btn-wa { background: #fff; color: #128C4A; border: 1px solid #25D366; }
.btn-wa:hover { background: rgba(37,211,102,.10); }

/* 深色 Banner 上的主 CTA 用金属金，对比更强 */
.hero-banner .btn-gold {
  background: var(--gold); border-color: var(--gold); color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 2px 10px rgba(0,0,0,.28);
}
.hero-banner .btn-gold:hover { background: #D8A44E; border-color: #D8A44E; }

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 2px;
}

/* ---- 导航 ---- */
.nav-cta {
  background: var(--gold); border: 1px solid var(--gold); color: var(--ink);
  border-radius: 4px; font-weight: 600;
  transition: background-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.nav-cta:hover {
  background: #D8A44E; border-color: #D8A44E; color: var(--ink);
  transform: translateY(-1px); box-shadow: 0 6px 16px rgba(200,150,62,.32);
}
.site-nav a:not(.nav-quote) { position: relative; }
.site-nav a:not(.nav-quote)::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -3px; height: 2px;
  border-radius: 2px; background: var(--gold); transform: scaleX(0);
  transform-origin: left; transition: transform .25s var(--ease);
}
.site-nav a:not(.nav-quote):hover::after { transform: scaleX(1); }
.site-nav a.active::after { transform: scaleX(1); }

.site-header { transition: box-shadow .25s var(--ease), background-color .25s var(--ease); }
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(11,31,46,.10);
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(6px);
}

/* ---- 卡片与高度层级 ---- */
.cat-card, .prod-card, .news-card, .why, .stat {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--sh-1);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.why, .stat { background: var(--surface-2); }
.cat-card:hover, .prod-card:hover, .news-card:hover {
  transform: translateY(-4px); box-shadow: var(--sh-3); border-color: #D6DEE6;
}
.cat-card img, .prod-card img, .news-media img { transition: transform .5s var(--ease); }
.cat-card:hover img, .prod-card:hover img { transform: scale(1.035); }

/* ---- 滚动入场（仅首屏以下，transform/opacity only）---- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.rv.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
  .cat-card, .prod-card, .news-card, .btn, .nav-cta { transition: none !important; }
}

/* ==========================================================================
   Design System v3 — 排版尺度 / 版面结构 / 细节质感
   ========================================================================== */

/* ---------- 眉标（章节标记） ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 16px;
}
.eyebrow::before { content: ''; width: 30px; height: 1px; background: var(--gold); }

/* ---------- 1. 排版尺度 ---------- */
body { font-size: 17px; line-height: 1.75; }

.hero-banner h1 {
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -.025em;
  font-weight: 800;
}
.hero-banner h1 span { font-size: clamp(19px, 2.3vw, 30px); letter-spacing: -.01em; }
.hero-banner .hb-sub { font-size: 17px; line-height: 1.75; max-width: 780px; }
.hero-banner .hb-kicker { font-size: 12px; letter-spacing: .2em; }

.section-title {
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 800;
  margin-bottom: 18px;
}
.page-hero h1 { font-size: clamp(34px, 4.2vw, 56px); line-height: 1.1; letter-spacing: -.025em; }
.page-hero p { font-size: 17px; max-width: 74ch; }

.section { padding: clamp(72px, 8vw, 128px) 0; }
p, li { line-height: 1.75; }
.lead, .section > .container > p { font-size: 17px; }

/* 统计数字 */
.hb-stats strong { font-size: clamp(38px, 3.6vw, 56px); line-height: 1; letter-spacing: -.03em; }
.hb-stats span { font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; }

/* 卡片字号 */
.prod-card h3 { font-size: 18px; letter-spacing: -.01em; line-height: 1.3; }
.prod-series { font-size: 14px; }
.cat-card h3 { font-size: 20px; letter-spacing: -.015em; line-height: 1.25; }
.cat-card p { font-size: 14px; }
.news-card h3 { font-size: 19px; line-height: 1.3; }

/* ---------- 2. 版面结构 ---------- */
/* 浅灰区块加深，形成章节节奏 */
.section-gray {
  background: #F4F6F9;
  border-top: 1px solid #E9EDF2;
  border-bottom: 1px solid #E9EDF2;
}

/* 产品卡图区：统一 4:3 + 浅灰底 + 完整显示，消除配图风格差异 */
.prod-img {
  aspect-ratio: 4 / 3;
  height: auto !important;
  background: #F7F8FA;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  padding: 14px;
  overflow: hidden;
}
.prod-img img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  transform-origin: center;
}
.prod-card:hover .prod-img img { transform: scale(1.04); }

/* 分类卡图区 */
/* .cat-img 由文末「卡片体系统一」接管 */

/* 卡片悬停时的强调 */
.cat-card:hover, .prod-card:hover { border-color: rgba(200,150,62,.45); }
.prod-card:hover .prod-link, .cat-card:hover .cat-link { color: var(--gold); }

/* ---------- 3. 细节质感 ---------- */
.btn { font-size: 16px; letter-spacing: .015em; }
.btn-sm { font-size: 13.5px; }
.btn-lg { font-size: 16.5px; }

/* 链接箭头位移 */
.prod-link, .cat-link, .news-more {
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .22s var(--ease), color .22s var(--ease);
}
.cat-card:hover .cat-link, .prod-card:hover .prod-link, .news-card:hover .news-more { gap: 12px; }

/* 表格：斑马纹 + 等宽数字 */
.params tr:nth-child(even) td, .spec-table tr:nth-child(even) td { background: #FAFBFC; }
.params th { letter-spacing: .04em; }
.params td, .params th { font-variant-numeric: tabular-nums; }

/* 图片圆角统一 */
.prod-img img, .cat-img img, .news-media img { border-radius: 6px; }

/* 页脚：加深 + 金色分隔 */
.site-footer {
  background: linear-gradient(180deg, #0B1F2E 0%, #08151F 100%);
  border-top: 1px solid rgba(200,150,62,.35);
}
.site-footer h4 { letter-spacing: .12em; text-transform: uppercase; font-size: 12.5px; color: var(--gold); }

/* 移动端收敛 */
@media (max-width: 680px) {
  body { font-size: 16px; }
  .hero-banner h1 { font-size: clamp(28px, 7.5vw, 40px); }
  .section-title { font-size: clamp(24px, 6.4vw, 32px); }
  .section { padding: 56px 0; }
  .eyebrow { font-size: 11px; letter-spacing: .16em; }
}

/* 产品图区：纯白底 + 完整显示，白底产品图自然融入，不再使用混合模式（部分图会整图消失） */
.prod-img { background: #FFFFFF; }

/* ============================================================
   新闻页：从右向左渐显
   - 只动 transform / opacity，GPU 合成，不引起重排
   - 图片与文字跟着卡片整体进入，避免版面「飘」
   - overflow-x 收敛，横移不会产生横向滚动条
   ============================================================ */
.rv-x {
  /* 隐藏态必须「无过渡」瞬间生效，否则会从 1 缓慢降到 0，
     导致随后添加 in 时浏览器判定无变化、完全不播放动画 */
  opacity: 0;
  transform: translate3d(48px, 0, 0);
}

/* 只有进入播放阶段（.an）才挂上过渡 */
.rv-x.an {
  transition: opacity .9s cubic-bezier(.16, .84, .28, 1),
              transform .9s cubic-bezier(.16, .84, .28, 1);
}
.rv-x.in { opacity: 1; transform: none; }
.news-grid, .news-content, .news-gallery { overflow-x: hidden; }

@media (max-width: 680px) {
  .rv-x { transform: translate3d(26px, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .rv-x { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ============================================================
   首页右下角：今日访客小按钮（仅主账号登录后出现）
   默认 55% 透明，悬停完全显现——隐蔽但可发现
   ============================================================ */
.vis-btn {
  position: fixed; right: 20px; bottom: 74px; z-index: 9998;
  width: 38px; height: 38px; padding: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 42, 67, .82); color: #E8C88A;
  border: 1px solid rgba(200, 150, 62, .62);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  cursor: pointer; opacity: .72;
  box-shadow: 0 0 0 4px rgba(200, 150, 62, .07), 0 4px 14px rgba(6, 20, 38, .35);
  transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
}
.vis-btn:hover { opacity: 1; transform: translateY(-2px);
  box-shadow: 0 0 0 5px rgba(200, 150, 62, .14), 0 10px 24px rgba(6, 20, 38, .45); }
.vis-btn svg { width: 17px; height: 17px; display: block; }
.vis-btn .vis-dot {
  position: absolute; top: -2px; right: -2px; width: 8px; height: 8px;
  border-radius: 50%; background: #38d16a; border: 1.5px solid rgba(16, 42, 67, .95);
}

.vis-panel {
  position: fixed; right: 20px; bottom: 122px; z-index: 9999; width: 292px;
  padding: 16px 16px 12px; border-radius: 12px;
  background: rgba(11, 28, 45, .97); color: #fff;
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: 0 24px 60px rgba(4, 14, 26, .55);
  opacity: 0; transform: translateY(10px) scale(.98); pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
  font-size: 13px; line-height: 1.55;
}
.vis-panel.on { opacity: 1; transform: none; pointer-events: auto; }
.vis-panel h4 { margin: 0 0 6px; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: #E8C88A; }
.vis-panel h4 span { color: #7f93a8; font-weight: 400; text-transform: none; letter-spacing: 0; }
.vis-big { font-size: 34px; font-weight: 800; line-height: 1.05; letter-spacing: -.02em; }
.vis-big small { font-size: 12px; font-weight: 500; color: #9fb3c8; margin-left: 6px; letter-spacing: 0; }
.vis-sub { margin: 6px 0 0; font-size: 11.5px; color: #8fa3b8; }
.vis-sep { height: 1px; background: rgba(255, 255, 255, .09); margin: 12px 0 10px; }
.vis-cap { font-size: 11px; color: #7f93a8; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 8px; }
.vis-row { display: flex; align-items: center; gap: 9px; margin-bottom: 7px; }
.vis-row b { font-weight: 600; font-size: 12.5px; flex: 0 0 auto; width: 118px;
  white-space: nowrap; }
.vis-bar { flex: 1; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.vis-bar i { display: block; height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, #C8963E, #E8C88A); }
.vis-row em { font-style: normal; font-size: 12px; color: #cfd8e2; min-width: 18px; text-align: right; }
.vis-more { display: block; margin-top: 12px; padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  color: #E8C88A; text-decoration: none; font-size: 12px; }
.vis-more:hover { color: #fff; }
.vis-load { color: #9fb3c8; font-size: 12.5px; padding: 6px 0 10px; }

@media (max-width: 640px) {
  .vis-btn { right: 12px; bottom: 64px; width: 34px; height: 34px; }
  .vis-panel { right: 12px; left: 12px; width: auto; bottom: 106px; }
}

/* ============================================================
   About 页：双栏介绍（文案 + 实景图）
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: stretch;   /* 图片与文字列等高，消除图片下方空白 */
}
.about-text .section-title { margin-top: 10px; }
.about-text p { margin-bottom: 14px; }
.about-points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 11px; }
.about-points li {
  position: relative; padding-left: 24px;
  color: var(--heading); font-size: 15px; line-height: 1.55;
}
.about-points li::before {
  content: ""; position: absolute; left: 2px; top: 7px;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--gold); transform: rotate(45deg);
}
.about-media { position: relative; display: flex; }
.about-media img {
  display: block; width: 100%; height: 100%;
  min-height: clamp(300px, 30vw, 380px);
  object-fit: cover; border-radius: 12px;
  box-shadow: 0 18px 48px rgba(11, 31, 46, .18);
}
.about-badge {
  position: absolute; left: -18px; bottom: -18px;
  background: var(--navy); color: #fff;
  padding: 15px 22px; border-radius: 10px;
  box-shadow: 0 14px 34px rgba(6, 20, 38, .28);
}
.about-badge strong { display: block; font-size: 21px; letter-spacing: -.01em; }
.about-badge em { font-style: normal; font-size: 12px; color: #9fb3c8; }
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; align-items: start; }
  .about-media { display: block; }
  .about-media img { height: 260px; min-height: 0; }
  .about-badge { left: 14px; bottom: -16px; padding: 12px 16px; }
  .about-badge strong { font-size: 18px; }
}

/* ============================================================
   About 页：六步流程图标
   ============================================================ */
.step { transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.step:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(11, 31, 46, .10); border-color: rgba(200, 150, 62, .38); }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 15px; }
/* 统一金色实心圆图标（About 步骤 / 首页统计 / Why Choose Us / Applications 共用） */
.ico-gold, .step-ico {
  display: flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(160deg, #D6A44E, #B9832F);
  color: #fff;
  box-shadow: 0 6px 16px rgba(200, 150, 62, .32);
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.ico-gold svg, .step-ico svg { width: 27px; height: 27px; }
.ico-gold--sm { width: 44px; height: 44px; }
.ico-gold--sm svg { width: 22px; height: 22px; }
.ico-gold--xs { width: 40px; height: 40px; }
.ico-gold--xs svg { width: 20px; height: 20px; }

/* 卡片内的图标位置 */
.stat .ico-gold { margin: 0 auto 12px; }
.why .ico-gold, .app-card .ico-gold { margin-bottom: 14px; }

/* 卡片悬停时图标转深蓝，与步骤卡一致 */
.why, .app-card, .stat {
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.why:hover, .app-card:hover, .stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(11, 31, 46, .10);
}
.why:hover .ico-gold, .app-card:hover .ico-gold, .stat:hover .ico-gold {
  background: linear-gradient(160deg, #1B4E72, #123A57);
  box-shadow: 0 8px 20px rgba(18, 58, 87, .35);
  transform: scale(1.04);
}
.step:hover .step-ico {
  background: linear-gradient(160deg, #1B4E72, #123A57);
  box-shadow: 0 8px 20px rgba(18, 58, 87, .35);
  transform: scale(1.04);
}
.step-num {
  font-size: 13px; font-weight: 800; letter-spacing: .14em;
  color: #b9c3cd; transition: color .3s ease;
}
.step:hover .step-num { color: var(--gold); }
.step h3 { margin: 0 0 8px; font-size: 17px; }
.step p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ============================================================
   产品详情：首屏数据表缩略卡 + 收紧区块间距
   ============================================================ */

.section-pd-next { padding-top: clamp(28px, 3.2vw, 46px) !important; }
/* 首屏可见的数据表预览卡（横版，节省纵向空间） */
.pd-ds-mini {
  display: flex; align-items: stretch; gap: 13px;
  margin-top: 16px; padding: 10px 13px 10px 10px;
  border: 1px solid var(--border); border-radius: 10px; background: #fff;
  text-decoration: none; color: inherit;
  box-shadow: 0 4px 14px rgba(11, 31, 46, .06);
  transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.pd-ds-mini:hover {
  border-color: rgba(200, 150, 62, .55);
  box-shadow: 0 12px 28px rgba(11, 31, 46, .13);
  transform: translateY(-2px);
}
.pd-ds-mini img {
  display: block; width: 74px; height: 98px; flex: 0 0 auto;
  object-fit: cover; object-position: top center;
  border: 1px solid var(--border); border-radius: 5px; background: #fff;
}
.pd-ds-meta { display: flex; flex-direction: column; justify-content: center; gap: 3px; min-width: 0; }
.pd-ds-meta em {
  font-style: normal; font-size: 10.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--gold);
}
.pd-ds-meta b { font-size: 14px; font-weight: 700; color: var(--heading); }
.pd-ds-meta i { font-style: normal; font-size: 11.5px; color: var(--muted); }

/* 产品页首屏纵向收缩：hero + 参数表 + 间距 */
.page-hero-sm { padding: clamp(28px, 3vw, 42px) 0; }
.section-pd { padding-top: clamp(24px, 2.6vw, 38px) !important; padding-bottom: clamp(24px, 2.8vw, 40px) !important; }
.pd-info h2 { margin: 0 0 14px; }
.param-table th, .param-table td { padding: 8px 14px; }
.pd-ds-btn { margin-top: 16px; }

@media (max-width: 560px) {
  .pd-ds-mini img { width: 60px; height: 80px; }
  .pd-ds-meta b { font-size: 13px; }
}

/* ============================================================
   产品页：通栏宽幅数据表预览
   ============================================================ */
.ds-wide {
  grid-column: 1 / -1;          /* 跨满两列，做成通栏宽幅 */
  margin-top: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--border); border-radius: 12px;
  background: #fff; overflow: hidden;
  box-shadow: 0 10px 30px rgba(11, 31, 46, .08);
}
.ds-wide-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.ds-wide-ttl em {
  display: block; font-style: normal; font-size: 11px; font-weight: 700;
  letter-spacing: .11em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 3px;
}
.ds-wide-ttl strong { font-size: 15.5px; color: var(--heading); font-weight: 700; }
.ds-wide-head .btn em { font-style: normal; font-size: 11.5px; opacity: .8; margin-left: 4px; }
.ds-wide-shot {
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  height: clamp(320px, 34vw, 480px);
  background:
    radial-gradient(120% 100% at 50% 0%, #ffffff 0%, #f2f6fa 55%, #e9eff5 100%);
}
.ds-wide-shot img {
  display: block; width: auto; max-width: none;
  height: calc(100% - 44px);
  border-radius: 3px;
  box-shadow: 0 14px 34px rgba(11, 31, 46, .20), 0 2px 6px rgba(11, 31, 46, .10);
  transition: transform .5s cubic-bezier(.16, .84, .28, 1), box-shadow .5s ease;
}
.ds-wide-shot:hover img {
  transform: translateY(-5px) scale(1.012);
  box-shadow: 0 20px 44px rgba(11, 31, 46, .26), 0 2px 6px rgba(11, 31, 46, .12);
}
.ds-wide-more {
  display: none;   /* 整页已完整展示，无需悬浮提示 */
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 2; padding: 9px 18px; border-radius: 999px;
  background: rgba(11, 31, 46, .9); color: #fff;
  font-size: 12.5px; font-weight: 600; letter-spacing: .01em;
  box-shadow: 0 8px 22px rgba(11, 31, 46, .28);
  white-space: nowrap;
}
.ds-wide-shot:hover .ds-wide-more { background: var(--gold); color: #1a1206; }
@media (max-width: 680px) {
  .ds-wide-head { padding: 14px 16px; }
  .ds-wide-ttl strong { font-size: 14px; }
  .ds-wide-shot { max-height: 240px; }
  .ds-wide-more { font-size: 11.5px; padding: 8px 14px; }
}

/* 版本过期轻提示 */
.ver-bar {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  z-index: 10000; display: flex; align-items: center; gap: 14px;
  padding: 11px 14px 11px 18px; border-radius: 999px;
  background: rgba(11, 31, 46, .96); color: #dfe8f1;
  font-size: 13px; line-height: 1.4;
  box-shadow: 0 14px 36px rgba(4, 14, 26, .45);
  border: 1px solid rgba(200, 150, 62, .38);
  max-width: calc(100vw - 32px);
}
.ver-bar b { color: #E8C88A; font-weight: 700; }
.ver-btn {
  flex: 0 0 auto; border: 0; cursor: pointer;
  padding: 7px 15px; border-radius: 999px;
  background: linear-gradient(160deg, #D6A44E, #B9832F);
  color: #1a1206; font-size: 12.5px; font-weight: 700;
}
.ver-btn:hover { filter: brightness(1.07); }
@media (max-width: 560px) {
  .ver-bar { left: 12px; right: 12px; transform: none; font-size: 12px; bottom: 14px; }
}


/* ===== 询盘表单：一步提交回执 / 降级双通道 ===== */
.form-result.ok { background: #F3FAF5; border-color: #B7DCC4; }
.form-result.warn { background: #FEFAF2; border-color: #E8D3A8; }
.form-result.ok .fr-title { margin-bottom: 10px; }
.form-result.ok .fr-actions { margin-bottom: 0; }
.fr-sub { font-size: 14px; line-height: 1.7; color: #37424E; margin: 0 0 16px; }
.fr-sub strong { color: var(--navy); font-weight: 600; }
/* 反垃圾蜜罐：真实访客不可见，机器人会误填 */
.f-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }


/* ================= 2026-11-09 卡片体系统一 =================
   目标：①产品图完整展示不被裁切 ②卡片底部链接始终齐平
        ③边框与阴影提升质感 ④三类卡片行为一致
   ========================================================== */

/* --- 通用：卡片纵向弹性，链接贴底 --- */
.cat-card, .prod-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.cat-body, .prod-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* --- 分类卡：图片完整呈现 --- */
.cat-card {
  border: 1px solid rgba(18, 57, 92, .09);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(18, 57, 92, .04), 0 10px 26px -18px rgba(18, 57, 92, .18);
  transition: transform .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease);
}
.cat-card:hover {
  border-color: rgba(200, 150, 62, .48);
  box-shadow: 0 2px 4px rgba(18, 57, 92, .05), 0 22px 46px -20px rgba(18, 57, 92, .26);
}

.cat-img {
  aspect-ratio: 4 / 3;
  height: auto;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #FCFDFE 0%, #EFF4F9 100%);
  border-bottom: 1px solid rgba(18, 57, 92, .06);
  overflow: hidden;
}
.cat-img img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center;
  border-radius: 0;
  transition: transform .55s var(--ease);
}
.cat-card:hover .cat-img img { transform: scale(1.035); }

.cat-body { padding: 20px 24px 22px; }
.cat-body h3 {
  font-size: 19px;
  line-height: 1.32;
  letter-spacing: -.012em;
  color: var(--navy);
  margin: 0 0 7px;
  min-height: 2.64em;          /* 固定两行高度，标题长短不影响下方对齐 */
}
.cat-body p {
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
  margin: 0;
}
.cat-link {
  margin-top: auto;
  padding-top: 15px;
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  border-top: 1px solid rgba(18, 57, 92, .07);
  color: var(--blue);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .01em;
}

/* --- 产品卡：同样贴底，避免列表页链接高低不齐 --- */
.prod-body h3 { min-height: 2.6em; }
.prod-link {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(18, 57, 92, .06);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- 移动端：单列时不必强行留两行高度 --- */
@media (max-width: 760px) {
  .cat-body h3, .prod-body h3 { min-height: 0; }
  .cat-img { aspect-ratio: 3 / 2; padding: 18px 20px; }
}

/* 目录下载卡：标题固定两行高度 + 元信息贴底，修复 2 行标题导致的 21px 错位 */
.dl-card { height: 100%; }
.dl-name { min-height: 2.7em; }
.dl-meta { margin-top: auto; }

/* ================= 资质与专利展示（2026-11-09） =================
   缩略图源文件仅 200px 宽，客户右键另存也无法放大辨认证书细节
   ============================================================ */
.certwall-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.certwall-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.certwall-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1.414;
  object-fit: cover;
  border: 1px solid rgba(18, 57, 92, .10);
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(18, 57, 92, .05), 0 10px 22px -16px rgba(18, 57, 92, .22);
  transition: transform .34s var(--ease), box-shadow .34s var(--ease), border-color .34s var(--ease);
}
.certwall-card:hover img {
  transform: translateY(-4px);
  border-color: rgba(200, 150, 62, .5);
  box-shadow: 0 2px 4px rgba(18, 57, 92, .06), 0 18px 34px -18px rgba(18, 57, 92, .30);
}
.certwall-card figcaption {
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
  min-height: 2.9em;
  letter-spacing: .01em;
}
.certwall-note {
  margin-top: 26px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
@media (max-width: 1080px) {
  .certwall-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}
@media (max-width: 620px) {
  .certwall-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .certwall-card figcaption { font-size: 10.5px; }
}

/* 10 项资质：5 列 2 行；证书咨询入口 */
.certwall-cta {
  margin-top: 24px;
  text-align: center;
}
.certwall-cta a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border: 1px solid rgba(200, 150, 62, .55);
  border-radius: 30px;
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .015em;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.certwall-cta a:hover {
  background: linear-gradient(160deg, #D6A44E, #B9832F);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
}

/* 相邻灰底区块之间加极淡分隔，避免两个大区连成一片 */
.section-gray + .section-gray {
  border-top: 1px solid rgba(18, 57, 92, .07);
}

/* ===== CTA 主按钮（2026-11-10 升级：三层复合动效） =====
   ① 渐变缓慢流动  ② 柔光呼吸（径向渐变，scale+opacity）
   ③ 扩散波纹（错相）——全部走 transform/opacity 与 background-position，
   小尺寸元素上开销可忽略，不触发页面重排 */
.btn-cta {
  position: relative;
  isolation: isolate;
  background: linear-gradient(135deg,
              #F9B233 0%, #EE7A10 34%, #E2560A 58%, #EE7A10 78%, #F9B233 100%);
  background-size: 230% 230%;
  border: 1px solid rgba(255, 255, 255, .26);
  color: #fff;
  text-shadow: 0 1px 1px rgba(120, 40, 0, .22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .34),
              0 8px 22px -7px rgba(226, 86, 10, .62);
  animation: ctaFlow 9s ease-in-out infinite;
}

/* ② 柔光呼吸：径向光晕在按钮外圈涨缩 */
.btn-cta::before {
  content: "";
  position: absolute;
  inset: -15px;
  border-radius: inherit;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side,
              rgba(247, 138, 26, .68) 0%,
              rgba(247, 138, 26, .28) 52%,
              rgba(247, 138, 26, 0) 74%);
  opacity: .42;
  animation: ctaGlow 2.6s ease-in-out infinite;
}

/* ③ 扩散波纹：向外扩 24%，透明度由 0.95 衰减到 0 */
.btn-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2.5px solid rgba(250, 175, 60, .95);
  opacity: 0;
  pointer-events: none;
  animation: ctaRing 2.6s cubic-bezier(.22, .61, .36, 1) infinite;
  animation-delay: .9s;
}

.btn-cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.08) saturate(1.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .42),
              0 18px 36px -9px rgba(226, 86, 10, .7);
}
.btn-cta:hover::before { opacity: .82; animation-duration: 1.5s; }
.btn-cta:hover::after { animation-delay: 0s; animation-duration: 1.5s; }
.btn-cta:active { transform: translateY(0); filter: brightness(.98); }

.btn-cta .btn-cta-arrow {
  display: inline-block;
  margin-left: 3px;
  transition: transform .22s var(--ease);
}
.btn-cta:hover .btn-cta-arrow { transform: translateX(5px); }

@keyframes ctaFlow {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
@keyframes ctaGlow {
  0%, 100% { opacity: .32; transform: scale(.88); }
  50%      { opacity: .98; transform: scale(1.14); }
}
@keyframes ctaRing {
  0%   { opacity: .95; transform: scale(1); }
  72%  { opacity: 0;   transform: scale(1.24); }
  100% { opacity: 0;   transform: scale(1.24); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-cta,
  .btn-cta::before,
  .btn-cta::after { animation: none; }
  .btn-cta:hover { transform: none; }
  .btn-cta .btn-cta-arrow { transition: none; }
}
}

/* 邮箱链接：与电话号码同色，强化"这里能联系到人"的信号
   深色页脚用亮金，浅色页面用深金以保证对比度 */
a.fc-mail {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid;
  transition: color .22s var(--ease), border-bottom-color .22s var(--ease);
}
a.fc-mail--dark { color: var(--gold); border-bottom-color: rgba(200, 150, 62, .4); }
a.fc-mail--dark:hover { color: #E3AC52; border-bottom-color: #E3AC52; }
a.fc-mail--light { color: var(--gold-dark); border-bottom-color: rgba(168, 123, 46, .42); }
a.fc-mail--light:hover { color: #8A6420; border-bottom-color: #8A6420; }

/* ===== 导航六项带品类图标（2026-11-11）=====
   A 款默认：完全透明无边框，图标承担品类信号
   B/C 款：<header> 加 nav-style-b / nav-style-c 即可切换 */
.site-nav a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 6px;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.site-nav a .nav-ico {
  width: 17px;
  height: 17px;
  flex: none;
  color: var(--gold);
  opacity: .88;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.site-nav a:hover { background: rgba(200, 150, 62, .10); }
.site-nav a:hover .nav-ico { opacity: 1; transform: scale(1.07); }

.site-nav a.active {
  color: var(--gold-dark);
  font-weight: 700;
  background: rgba(200, 150, 62, .13);
}
.site-nav a.active::after { display: none; }

/* Contact = 询价入口：金色描边 + 加粗，悬停填充 */
.site-nav a.nav-quote {
  color: var(--gold-dark);
  font-weight: 700;
  border: 1.5px solid rgba(200, 150, 62, .55);
  margin-left: 6px;
  padding: 6px 13px;
}
.site-nav a.nav-quote::after { display: none; }
.site-nav a.nav-quote:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}
.site-nav a.nav-quote:hover .nav-ico { color: #fff; opacity: 1; }

/* B 款：描边 */
.site-header.nav-style-b .site-nav a { border: 1.2px solid rgba(18, 57, 92, .26); }
.site-header.nav-style-b .site-nav a.active { border-color: var(--gold); }

/* C 款：石墨实心 */
.site-header.nav-style-c .site-nav a { background: #1F2937; color: #fff; }
.site-header.nav-style-c .site-nav a .nav-ico { color: #FF7A1A; opacity: 1; }
.site-header.nav-style-c .site-nav a:hover { background: #111827; }
.site-header.nav-style-c .site-nav a.active { background: #0B1220; color: #FFD9A8; }
.site-header.nav-style-c .site-nav a.nav-quote {
  background: var(--gold); color: #3B2A0E; border-color: var(--gold);
}
.site-header.nav-style-c .site-nav a.nav-quote .nav-ico { color: #3B2A0E; }

@media (max-width: 1080px) {
  .site-nav a { padding: 7px 8px; gap: 5px; font-size: 13px; }
  .site-nav a .nav-ico { width: 15px; height: 15px; }
}

/* ===== 按钮尺寸统一（2026-11-11）=====
   ① .btn 用 min-height 控制高度，不再靠 padding 撑开，避免与 .btn-lg 差 8px
   ② CTA 区内并排按钮强制同高，底边对齐
   ③ dsBtn 复用于参数表下方与 CTA 区，CTA 区内必须清掉 margin-top 否则垂直偏移 */
.cta-actions .btn,
.cta-actions .btn-lg {
  height: 48px;
  min-height: 48px;
  padding-top: 0;
  padding-bottom: 0;
}
.cta-actions .pd-ds-btn {
  margin-top: 0;
}
@media (max-width: 680px) {
  .cta-actions .btn,
  .cta-actions .btn-lg { min-height: 48px; }
}

/* 三处 datasheet 按钮统一 48px，消除高低差 */
.pd-ds-btn { min-height: 48px; }
.cta-actions .pd-ds-btn { min-height: 48px; }