/* ============================================================
   BONETEK 昆山博锋新精密电子有限公司 — 官网全局样式
   工业 B2B 视觉体系：深海军蓝 + 工程橙
   ============================================================ */

:root {
  --navy-950: #0A1C2E;
  --navy-900: #102B44;
  --navy-800: #163A5C;
  --navy-700: #1E4A72;
  --navy-600: #2A5C8A;
  --accent: #E8750A;
  --accent-strong: #CF6204;
  --accent-soft: #FDEBD8;
  --ink: #1C2B36;
  --muted: #5B6B78;
  --bg: #F4F6F8;
  --bg-deep: #EAF0F5;
  --line: #DCE4EB;
  --white: #FFFFFF;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(16, 43, 68, .08), 0 4px 14px rgba(16, 43, 68, .06);
  --shadow-md: 0 2px 6px rgba(16, 43, 68, .10), 0 14px 34px rgba(16, 43, 68, .10);
  --font: "Noto Sans SC", "Noto Sans", "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: 84px 0; }
.section--tint { background: var(--bg); }
.section--deep { background: var(--bg-deep); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.kicker::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--accent);
  display: block;
}
.section-title { font-size: clamp(26px, 3.2vw, 36px); font-weight: 900; color: var(--navy-900); line-height: 1.3; letter-spacing: .01em; }
.section-sub { color: var(--muted); max-width: 720px; margin-top: 14px; font-size: 16px; }
.section-head { margin-bottom: 44px; }
.section-head--center { text-align: center; }
.section-head--center .kicker { justify-content: center; }
.section-head--center .section-sub { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
  line-height: 1.4;
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-strong); color: #fff; box-shadow: var(--shadow-sm); }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.14); border-color: #fff; color: #fff; }
.btn-outline { border-color: var(--navy-700); color: var(--navy-700); background: transparent; }
.btn-outline:hover { background: var(--navy-700); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #F5A03C);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #fff;
  flex-shrink: 0;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.18);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.2; }
.brand-cn { font-size: 17px; font-weight: 900; letter-spacing: .04em; }
.brand-en { font-size: 11px; color: rgba(255,255,255,.62); letter-spacing: .22em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  display: block;
  padding: 8px 15px;
  color: rgba(255,255,255,.82);
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  transition: color .15s ease, background .15s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-link.active { color: #fff; background: rgba(232,117,10,.22); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; align-items: center; gap: 2px; font-size: 14px; }
.lang-switch a { color: rgba(255,255,255,.6); padding: 6px 10px; border-radius: 4px; font-weight: 500; }
.lang-switch a.active { color: #fff; background: rgba(255,255,255,.14); }
.lang-switch a:hover { color: #fff; }
.lang-switch .sep { color: rgba(255,255,255,.25); }
.header-cta { display: inline-flex; }
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span { width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; background: var(--navy-950); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,28,46,.94) 0%, rgba(10,28,46,.78) 42%, rgba(10,28,46,.35) 100%);
}
.hero-inner { position: relative; padding: 110px 0 96px; max-width: 760px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: #F5A03C; margin-bottom: 22px;
}
.hero-eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--accent); }
.hero-title { font-size: clamp(30px, 4.6vw, 52px); font-weight: 900; line-height: 1.22; letter-spacing: .01em; }
.hero-title .hl { color: #F5A03C; }
.hero-sub { margin-top: 20px; font-size: 17px; color: rgba(255,255,255,.82); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 26px;
  gap: 18px;
}
.stat-num { font-size: clamp(24px, 2.6vw, 34px); font-weight: 900; color: #fff; line-height: 1.15; }
.stat-num em { font-style: normal; color: #F5A03C; }
.stat-label { font-size: 14px; color: rgba(255,255,255,.72); margin-top: 6px; }

/* ---------- Feature strip (首页简介条) ---------- */
.strip { background: var(--white); border-bottom: 1px solid var(--line); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.strip-item { padding: 34px 26px; display: flex; gap: 14px; align-items: flex-start; border-right: 1px solid var(--line); }
.strip-item:last-child { border-right: 0; }
.strip-icon { width: 42px; height: 42px; flex-shrink: 0; color: var(--accent); }
.strip-title { font-weight: 700; color: var(--navy-900); font-size: 16px; }
.strip-desc { font-size: 14px; color: var(--muted); margin-top: 4px; line-height: 1.6; }

/* ---------- Product grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(232,117,10,.45); }
.product-thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-deep); position: relative; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(10,28,46,.85); color: #fff;
  font-size: 13px; font-weight: 700; letter-spacing: .1em;
  padding: 4px 10px; border-radius: 4px;
}
.product-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product-name { font-size: 18px; font-weight: 800; color: var(--navy-900); }
.product-desc { font-size: 14px; color: var(--muted); margin-top: 8px; flex: 1; }
.product-link { margin-top: 4px; padding: 10px 0; font-size: 14px; font-weight: 700; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.product-link:hover { color: var(--accent-strong); }

/* ---------- Application grid ---------- */
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.app-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.app-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.app-icon { width: 40px; height: 40px; color: var(--accent); }
.app-name { font-weight: 700; color: var(--navy-900); font-size: 16px; }
.app-desc { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ---------- Strength / 数字亮点 ---------- */
.strength-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.strength-card {
  background: var(--white);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}
.strength-title { font-size: 19px; font-weight: 800; color: var(--navy-900); }
.strength-text { font-size: 14.5px; color: var(--muted); margin-top: 8px; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background:
    linear-gradient(100deg, rgba(10,28,46,.94), rgba(22,58,92,.86)),
    url("../img/hero-workshop.jpg") center / cover no-repeat;
  color: #fff;
  border-radius: 16px;
  padding: 56px 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-title { font-size: clamp(22px, 3vw, 30px); font-weight: 900; line-height: 1.35; }
.cta-text { color: rgba(255,255,255,.8); margin-top: 8px; font-size: 15px; max-width: 640px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Timeline (发展历程) ---------- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
  position: relative;
  --tl-date: 150px;
  --tl-axis: 56px;
}
/* 整条轴线：锚定时间轴容器，圆点中心与轴线中心同源于列宽变量 */
.timeline::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 7px;
  left: calc(var(--tl-date) + var(--tl-axis) / 2 - 1px);
  width: 2px;
  background: var(--line);
}
.tl-row {
  display: grid;
  grid-template-columns: var(--tl-date) var(--tl-axis) 1fr;
  gap: 0;
  position: relative;
  padding-bottom: 34px;
}
.tl-row:last-child { padding-bottom: 0; }
.tl-time { text-align: right; padding-right: 22px; padding-top: 4px; font-weight: 800; color: var(--navy-800); font-size: 18px; }
.tl-axis { position: relative; display: flex; justify-content: center; }
.tl-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
  margin-top: 8px;
  position: relative;
  z-index: 1;
  align-self: start;
  justify-self: center;
}
.tl-content { padding-left: 22px; padding-top: 2px; }
.tl-title { font-weight: 800; color: var(--navy-900); font-size: 16.5px; }
.tl-note { font-size: 14px; color: var(--muted); margin-top: 4px; }
.tl-placeholder { color: var(--muted); font-size: 14px; font-style: italic; }

/* ---------- Cert / badge ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: box-shadow .2s ease;
}
.cert-card:hover { box-shadow: var(--shadow-sm); }
.cert-icon { width: 46px; height: 46px; margin: 0 auto 14px; color: var(--navy-800); }
.cert-name { font-weight: 800; color: var(--navy-900); font-size: 16px; }
.cert-note { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- Page hero (内页头图) ---------- */
.page-hero { position: relative; color: #fff; background: var(--navy-950); padding: 74px 0 66px; overflow: hidden; }
.page-hero .hero-bg img { opacity: .35; }
.page-hero .hero-bg::after { background: linear-gradient(100deg, rgba(10,28,46,.96), rgba(10,28,46,.82)); }
.page-hero-inner { position: relative; }
.page-hero-title { font-size: clamp(28px, 4vw, 42px); font-weight: 900; line-height: 1.25; }
.breadcrumb { margin-top: 16px; font-size: 13.5px; color: rgba(255,255,255,.66); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.35); }

/* ---------- About intro ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: 14px; box-shadow: var(--shadow-md); }
.about-media .float-badge {
  position: absolute; right: -18px; bottom: 26px;
  background: var(--accent); color: #fff;
  border-radius: 10px;
  padding: 16px 22px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.about-media .float-badge .n { font-size: 26px; font-weight: 900; line-height: 1.1; }
.about-media .float-badge .t { font-size: 12px; opacity: .92; }
.about-copy p { color: var(--muted); margin-bottom: 14px; font-size: 15.5px; }
.about-copy p strong { color: var(--ink); }

/* ---------- Value list ---------- */
.value-list { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; }
.value-item .v-icon { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.value-item .v-title { font-weight: 700; color: var(--navy-900); }
.value-item .v-text { font-size: 14px; color: var(--muted); }

/* ---------- Product detail ---------- */
.prod-block { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: center; padding: 36px 0; border-top: 1px solid var(--line); }
.prod-block:first-of-type { border-top: 0; padding-top: 0; }
.prod-block:nth-of-type(even) .prod-media { order: 2; }
.prod-media img { border-radius: 12px; box-shadow: var(--shadow-sm); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.prod-index { font-size: 13px; font-weight: 800; letter-spacing: .16em; color: var(--accent); }
.prod-title { font-size: 26px; font-weight: 900; color: var(--navy-900); margin: 8px 0 12px; }
.prod-desc { color: var(--muted); font-size: 15px; }
.prod-features { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.prod-features li { display: flex; gap: 8px; font-size: 14px; color: var(--ink); align-items: flex-start; }
.prod-features li::before { content: "✓"; color: var(--accent); font-weight: 900; flex-shrink: 0; }

/* ---------- Spec table ---------- */
.spec-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 26px; }
.spec-table { width: 100%; border-collapse: collapse; table-layout: fixed; background: var(--white); }
.spec-table col:nth-child(1) { width: 30%; }
.spec-table col:nth-child(2) { width: 70%; }
.spec-table th, .spec-table td { padding: 13px 18px; font-size: 14.5px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { background: var(--bg); color: var(--navy-900); font-weight: 700; width: 30%; }
.spec-table td { color: var(--muted); }
.spec-table td em { color: var(--accent-strong); font-style: normal; font-weight: 700; }

/* ---------- Equipment ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.equip-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s ease, transform .2s ease; }
.equip-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.equip-thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.equip-thumb img { width: 100%; height: 100%; object-fit: cover; }
.equip-body { padding: 18px 20px 22px; }
.equip-name { font-weight: 800; color: var(--navy-900); font-size: 16.5px; }
.equip-meta { font-size: 13px; color: var(--muted); margin-top: 6px; }
.equip-meta em { color: var(--accent-strong); font-style: normal; font-weight: 700; }

.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.process-step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; position: relative; }
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 12px; font-weight: 900; letter-spacing: .14em; color: var(--accent);
  display: block; margin-bottom: 10px;
}
.process-name { font-weight: 800; color: var(--navy-900); }
.process-desc { font-size: 13.5px; color: var(--muted); margin-top: 6px; }

/* ---------- News ---------- */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: box-shadow .2s ease, border-color .2s ease;
  align-items: start;
}
.news-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(232,117,10,.4); }
.news-date { text-align: center; border-right: 1px solid var(--line); padding-right: 28px; }
.news-date .d { font-size: 34px; font-weight: 900; color: var(--navy-800); line-height: 1.1; }
.news-date .m { font-size: 13px; color: var(--muted); letter-spacing: .12em; }
.news-title { font-size: 18px; font-weight: 800; color: var(--navy-900); line-height: 1.5; }
.news-title a:hover { color: var(--accent); }
.news-summary { font-size: 14px; color: var(--muted); margin-top: 6px; }
.news-cat { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 2px 10px; border-radius: 999px; margin-bottom: 8px; }
.news-placeholder {
  border: 1.5px dashed var(--line);
  background: var(--bg);
  color: var(--muted);
  border-radius: var(--radius);
  padding: 26px 28px;
  font-size: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.news-placeholder b { color: var(--navy-800); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: start; }
.info-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; display: flex; gap: 16px; align-items: flex-start; }
.info-card + .info-card { margin-top: 14px; }
.info-icon { width: 40px; height: 40px; flex-shrink: 0; color: var(--accent); }
.info-label { font-size: 12.5px; color: var(--muted); letter-spacing: .06em; }
.info-value { font-size: 17px; font-weight: 700; color: var(--navy-900); margin-top: 2px; word-break: break-all; }
.info-value a { color: inherit; }
.info-value a:hover { color: var(--accent); }
.info-sub { font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 34px 38px; box-shadow: var(--shadow-sm); }
.contact-form h3 { font-size: 21px; font-weight: 900; color: var(--navy-900); }
.contact-form .form-note { font-size: 13px; color: var(--muted); margin: 6px 0 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
.form-field label .req { color: var(--accent); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg);
  transition: border-color .15s ease, background .15s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--navy-600); background: #fff; }
.form-field textarea { min-height: 120px; resize: vertical; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: rgba(255,255,255,.72); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.62); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 800; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a { color: rgba(255,255,255,.66); font-size: 14px; transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin-bottom: 11px; color: rgba(255,255,255,.66); }
.footer-contact svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: rgba(255,255,255,.66); }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; font-size: 13px; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%; bottom: 34px;
  transform: translate(-50%, 24px);
  background: var(--navy-950);
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 14.5px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 200;
  max-width: min(92vw, 480px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .strip-item { border-bottom: 1px solid var(--line); border-right: 0; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .prod-block { grid-template-columns: 1fr; gap: 26px; }
  .prod-block:nth-of-type(even) .prod-media { order: 0; }
  .equip-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--navy-950);
    padding: 14px 5%;
    gap: 2px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transform: translateY(-120%);
    transition: transform .28s ease;
    box-shadow: var(--shadow-md);
  }
  .nav.open { transform: translateY(0); }
  .nav-link { padding: 12px 14px; font-size: 16px; }
  .header-cta { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
  .hero-inner { padding: 84px 0 70px; }
  .strength-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 30px; }
  .news-item { grid-template-columns: 1fr; gap: 14px; }
  .news-date { border-right: 0; border-bottom: 1px solid var(--line); text-align: left; padding-right: 0; padding-bottom: 10px; display: flex; gap: 10px; align-items: baseline; }
  .news-date .d { font-size: 24px; }
}
@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .product-grid, .app-grid, .equip-grid, .cert-grid, .process-steps { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: 1fr; }
  .strip-item { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .timeline { --tl-date: 92px; --tl-axis: 36px; }
  .tl-time { font-size: 15px; padding-right: 12px; }
  .tl-content { padding-left: 14px; }
  .prod-features { grid-template-columns: 1fr; }
  .about-media .float-badge { right: 8px; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ============ 资讯 JSON 加载（v2） ============ */
.news-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.news-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.news-filter button {
  font: inherit; font-size: 13px; font-weight: 700; color: var(--navy-800);
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 16px; cursor: pointer; transition: all .2s ease;
}
.news-filter button:hover { border-color: var(--accent); color: var(--accent); }
.news-filter button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.news-item { cursor: pointer; }
.news-item:hover .news-title { color: var(--accent); }
.news-empty {
  text-align: center; padding: 56px 20px; color: var(--muted);
  background: var(--white); border: 1px dashed var(--line); border-radius: var(--radius);
}
.news-empty b { display: block; color: var(--navy-800); font-size: 16px; margin-bottom: 8px; }
.news-empty span { font-size: 14px; line-height: 1.7; }
.news-detail {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 38px; max-width: 900px; margin: 0 auto;
}
.news-detail-head { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 22px; }
.news-detail-title { font-size: 24px; font-weight: 900; color: var(--navy-900); line-height: 1.5; margin: 10px 0 12px; }
.news-detail-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--muted); align-items: center; }
.news-detail-body { font-size: 15px; color: var(--ink); line-height: 1.9; }
.news-detail-body p { margin: 0 0 14px; }
.news-back {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700;
  color: var(--accent); cursor: pointer; background: none; border: 0; padding: 0;
}
.news-back:hover { color: var(--accent-strong); }

/* ---------- 产品子品类 ---------- */
.prod-sub { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.prod-sub-item {
  border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px;
  padding: 12px 16px; background: var(--white);
}
.prod-sub-name { font-weight: 800; color: var(--navy-900); font-size: 15px; }
.prod-sub-desc { font-size: 13px; color: var(--muted); margin-top: 4px; line-height: 1.6; }
@media (max-width: 860px) {
  .prod-sub { grid-template-columns: 1fr; }
  .news-detail { padding: 24px 20px; }
  .news-detail-title { font-size: 20px; }
}