/* ==========================================================================
   警毅安防 · 主样式表
   设计基调：政务/军警 B2B —— 深藏青 + 制式金，硬朗、克制、可信
   ========================================================================== */

/* ------------------------------------------------------------ 1. 设计令牌 */
:root {
  /* 主色：深藏青（警用制式色） */
  --navy-900: #070f1c;
  --navy-800: #0b1a2e;
  --navy-700: #10263f;
  --navy-600: #16324f;
  --navy-500: #1d4268;
  --navy-400: #2b5b8a;
  --navy-300: #4a7ca8;

  /* 强调色：制式金 / 铜 */
  --gold-600: #9a7526;
  --gold-500: #c39a3e;
  --gold-400: #d9b45c;
  --gold-300: #e8cd8b;
  --gold-100: #f7efd9;

  /* 中性 */
  --ink-900: #11161d;
  --ink-700: #2c3542;
  --ink-500: #5a6675;
  --ink-400: #8492a3;
  --ink-300: #b5c0cc;
  --line: #e3e8ee;
  --line-soft: #eef1f5;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --bg-mute: #eef2f6;

  /* 语义 */
  --ok: #1a7f4b;
  --warn: #b5651d;
  --danger: #b3261e;

  /* 排版 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --font-num: "SF Mono", "DIN Alternate", "Roboto Mono", Consolas, monospace;

  /* 尺寸 */
  --w: 1240px;
  --w-narrow: 940px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(11, 26, 46, 0.06), 0 2px 8px rgba(11, 26, 46, 0.04);
  --shadow-md: 0 2px 6px rgba(11, 26, 46, 0.07), 0 10px 28px rgba(11, 26, 46, 0.07);
  --shadow-lg: 0 8px 20px rgba(11, 26, 46, 0.1), 0 24px 56px rgba(11, 26, 46, 0.1);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ------------------------------------------------------------ 2. 重置 */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink-900);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--gold-300); color: var(--navy-900); }

/* 可访问性：焦点可见 */
:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

/* ------------------------------------------------------------ 3. 布局工具 */
.wrap { width: min(100% - 48px, var(--w)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 48px, var(--w-narrow)); margin-inline: auto; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-dark { background: var(--navy-800); color: #c3cfdb; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-soft { background: var(--bg-soft); }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------ 4. 标题组 */
.sec-head { margin-bottom: 40px; }
.sec-head.center { text-align: center; }
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 14px;
}
.sec-eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  background: var(--gold-500);
}
.section-dark .sec-eyebrow { color: var(--gold-400); }
.sec-title {
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
}
.sec-title svg {
  display: inline-block;
  width: 26px; height: 26px;
  vertical-align: -4px;
  color: var(--gold-600);
  margin-right: 6px;
}
.sec-desc {
  margin-top: 14px;
  max-width: 720px;
  color: var(--ink-500);
  font-size: 15.5px;
}
.sec-head.center .sec-desc { margin-inline: auto; }
.section-dark .sec-desc { color: #93a5b8; }

/* ------------------------------------------------------------ 5. 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.22s var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary {
  background: var(--navy-700);
  color: #fff;
  box-shadow: 0 2px 8px rgba(16, 38, 63, 0.22);
}
.btn-primary:hover { background: var(--navy-600); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(16, 38, 63, 0.26); }
.btn-gold {
  background: linear-gradient(180deg, var(--gold-400), var(--gold-500));
  color: var(--navy-900);
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(195, 154, 62, 0.3);
}
.btn-gold:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.5); }
.btn-outline {
  border-color: var(--line);
  color: var(--navy-700);
  background: #fff;
}
.btn-outline:hover { border-color: var(--navy-500); color: var(--navy-600); background: var(--bg-soft); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 15.5px; }
.btn-block { width: 100%; }

/* 文字链接 */
.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--navy-600);
  transition: gap 0.2s var(--ease), color 0.2s;
}
.link-arrow:hover { gap: 11px; color: var(--gold-600); }
.link-arrow svg { width: 15px; height: 15px; }

/* ------------------------------------------------------------ 6. 顶部工具条 */
.topbar {
  background: var(--navy-900);
  color: #8598ab;
  font-size: 12.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 38px;
}
.topbar-left { display: flex; align-items: center; gap: 20px; }
.topbar-left span { display: inline-flex; align-items: center; gap: 6px; }
.topbar-left svg { width: 13px; height: 13px; color: var(--gold-500); }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-right a:hover { color: #fff; }
.topbar-tel { color: var(--gold-300); font-weight: 600; font-variant-numeric: tabular-nums; }
.topbar-tel svg { width: 13px; height: 13px; color: var(--gold-500); vertical-align: -2px; }

/* ------------------------------------------------------------ 7. 页头 */
.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s;
}
.header.is-stuck { box-shadow: 0 2px 16px rgba(11, 26, 46, 0.08); }
.header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; gap: 32px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo-mark {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-500));
  border-radius: 5px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(217, 180, 92, 0.35);
}
.logo-mark svg { width: 22px; height: 22px; color: var(--gold-300); }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn {
  font-size: 19px; font-weight: 800; color: var(--navy-900);
  letter-spacing: 0.06em;
}
.logo-en {
  font-size: 9px; font-weight: 600; letter-spacing: 0.16em;
  color: var(--ink-400); text-transform: uppercase; margin-top: 3px;
}

/* 主导航 */
.nav { display: flex; align-items: center; gap: 2px; height: 100%; }
.nav > li { height: 100%; position: relative; display: flex; align-items: center; }
.nav > li > a {
  display: flex; align-items: center; gap: 4px;
  height: 100%; padding: 0 15px;
  font-size: 15px; font-weight: 600; color: var(--ink-700);
  position: relative;
  transition: color 0.18s;
}
.nav > li > a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 0;
  height: 2.5px; background: var(--gold-500);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.24s var(--ease);
}
.nav > li > a:hover, .nav > li.is-active > a { color: var(--navy-700); }
.nav > li > a:hover::after, .nav > li.is-active > a::after { transform: scaleX(1); }
.nav > li > a .caret { width: 11px; height: 11px; color: var(--ink-400); transition: transform 0.2s; }
.nav > li:hover > a .caret { transform: rotate(180deg); }

/* 下拉面板 */
.mega {
  position: absolute; top: 100%; left: 50%;
  transform: translate(-50%, 8px);
  width: 640px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all 0.22s var(--ease);
}
.nav > li:hover .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.mega-item {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 12px 13px; border-radius: var(--radius);
  transition: background 0.16s;
}
.mega-item:hover { background: var(--bg-soft); }
.mega-ico {
  width: 34px; height: 34px; flex: none; border-radius: 5px;
  display: grid; place-items: center;
  background: var(--navy-700); color: var(--gold-300);
}
.mega-ico svg { width: 17px; height: 17px; }
.mega-t { font-size: 14px; font-weight: 700; color: var(--ink-900); }
.mega-d { font-size: 12px; color: var(--ink-400); line-height: 1.55; margin-top: 2px; }

/* 头部右侧 */
.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }
.header-tel { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.header-tel b {
  font-size: 17px; font-weight: 800; color: var(--navy-700);
  font-variant-numeric: tabular-nums; letter-spacing: 0.01em;
}
.header-tel span { font-size: 10.5px; color: var(--ink-400); letter-spacing: 0.08em; }

/* 移动端汉堡 */
.burger {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.burger span {
  display: block; width: 19px; height: 2px; background: var(--ink-700);
  position: relative; transition: 0.2s;
}
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 2px;
  background: var(--ink-700); transition: 0.22s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }

/* ------------------------------------------------------------ 8. 移动抽屉 */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(7, 15, 28, 0.5);
  opacity: 0; visibility: hidden; transition: 0.25s; z-index: 200;
  backdrop-filter: blur(2px);
}
.drawer-mask.on { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(86vw, 340px);
  background: #fff; z-index: 201;
  transform: translateX(100%); transition: transform 0.3s var(--ease);
  display: flex; flex-direction: column;
  box-shadow: -8px 0 40px rgba(7, 15, 28, 0.22);
}
.drawer.on { transform: none; }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--line); flex: none;
}
.drawer-close { width: 34px; height: 34px; display: grid; place-items: center; color: var(--ink-500); }
.drawer-close svg { width: 20px; height: 20px; }
.drawer-body { overflow-y: auto; flex: 1; padding: 8px 0 24px; }
.drawer-body > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; font-size: 15.5px; font-weight: 600; color: var(--ink-700);
  border-bottom: 1px solid var(--line-soft);
}
.drawer-body > a.is-active { color: var(--navy-700); background: var(--bg-soft); }
.drawer-sub { padding: 0 0 6px; }
.drawer-sub a {
  display: block; padding: 10px 20px 10px 38px;
  font-size: 14px; color: var(--ink-500);
}
.drawer-cta { padding: 18px 20px; display: grid; gap: 10px; }

/* ------------------------------------------------------------ 9. 首页 Hero */
.hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 480px at 78% 12%, rgba(43, 91, 138, 0.55), transparent 62%),
    radial-gradient(700px 420px at 12% 92%, rgba(154, 117, 38, 0.16), transparent 66%),
    linear-gradient(165deg, #0a1524 0%, #0d1e33 46%, #0a1727 100%);
}
/* 细网格纹理，制造制式/技侦感 */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
  padding: 76px 0 68px;
  min-height: 560px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 8px;
  border: 1px solid rgba(217, 180, 92, 0.32);
  background: rgba(217, 180, 92, 0.08);
  border-radius: 100px;
  font-size: 12.5px; color: var(--gold-300); font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 26px;
}
.hero-badge i {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--gold-500); color: var(--navy-900);
  display: grid; place-items: center; font-style: normal;
  font-size: 11px; font-weight: 800;
}
.hero h1 {
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.18;
  color: #fff;
  letter-spacing: -0.025em;
  font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-300);
  position: relative;
}
.hero-sub {
  margin-top: 22px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #a8b9ca;
  max-width: 560px;
}
.hero-sub strong { color: #e2eaf2; font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 38px; padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.hero-trust li {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: #93a7ba;
}
.hero-trust svg { width: 15px; height: 15px; color: var(--gold-400); flex: none; }

/* Hero 右侧：数据卡 */
.hero-visual { position: relative; }
.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: linear-gradient(155deg, rgba(29, 66, 104, 0.5), rgba(11, 26, 46, 0.62));
  border-radius: 10px;
  padding: 30px;
  backdrop-filter: blur(8px);
}
.hero-panel-title {
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--gold-400);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 22px;
}
.hero-panel-title::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, rgba(217, 180, 92, 0.35), transparent);
}
.hero-cat-list { display: grid; gap: 1px; background: rgba(255,255,255,0.08); border-radius: 6px; overflow: hidden; }
.hero-cat {
  display: flex; align-items: center; gap: 13px;
  padding: 15px 16px;
  background: rgba(10, 21, 36, 0.86);
  transition: background 0.2s;
}
.hero-cat:hover { background: rgba(29, 66, 104, 0.9); }
.hero-cat-ico {
  width: 34px; height: 34px; border-radius: 5px; flex: none;
  display: grid; place-items: center;
  background: rgba(217, 180, 92, 0.12);
  border: 1px solid rgba(217, 180, 92, 0.22);
  color: var(--gold-300);
}
.hero-cat-ico svg { width: 17px; height: 17px; }
.hero-cat-t { font-size: 14.5px; font-weight: 700; color: #fff; }
.hero-cat-d { font-size: 11.5px; color: #7f93a6; margin-top: 1px; }
.hero-cat-num {
  margin-left: auto; font-family: var(--font-num);
  font-size: 12px; color: var(--gold-400); font-weight: 600;
}

/* 数据条 */
.stats-bar {
  background: var(--navy-800);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.stats-bar .wrap {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 0;
}
.stat {
  padding: 30px 20px;
  text-align: center;
  border-left: 1px solid rgba(255, 255, 255, 0.07);
}
.stat:first-child { border-left: 0; }
.stat b {
  display: block;
  font-family: var(--font-num);
  font-size: 36px; font-weight: 700; color: #fff;
  line-height: 1; letter-spacing: -0.02em;
}
.stat b i { font-style: normal; font-size: 17px; color: var(--gold-400); margin-left: 2px; }
.stat span { display: block; margin-top: 9px; font-size: 13px; color: #8698ab; letter-spacing: 0.02em; }

/* ------------------------------------------------------------ 10. 分类卡 */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 28px 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all 0.26s var(--ease);
  overflow: hidden;
}
.cat-card::before {
  content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--navy-600), var(--gold-500));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.34s var(--ease);
}
.cat-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.cat-card:hover::before { transform: scaleX(1); }
.cat-ico {
  width: 48px; height: 48px; border-radius: 7px;
  display: grid; place-items: center;
  background: var(--navy-700);
  color: var(--gold-300);
  margin-bottom: 20px;
  transition: background 0.24s;
}
.cat-ico svg { width: 24px; height: 24px; }
.cat-card:hover .cat-ico { background: var(--navy-600); }
.cat-card h3 { font-size: 18.5px; margin-bottom: 3px; }
.cat-en {
  font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-300); font-weight: 600; margin-bottom: 12px;
}
.cat-card p { font-size: 13.5px; line-height: 1.7; color: var(--ink-500); flex: 1; }
.cat-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 18px; padding-top: 15px;
  border-top: 1px dashed var(--line);
}
.cat-count { font-size: 12.5px; color: var(--ink-400); }
.cat-count b { color: var(--navy-600); font-family: var(--font-num); font-size: 15px; }
.cat-go {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-mute); color: var(--navy-600);
  transition: all 0.22s;
}
.cat-card:hover .cat-go { background: var(--navy-700); color: #fff; }
.cat-go svg { width: 14px; height: 14px; }

/* ------------------------------------------------------------ 11. 产品卡 */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.prod-grid-3 { grid-template-columns: repeat(3, 1fr); }
.prod-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.26s var(--ease);
}
.prod-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.prod-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, #eef2f7, #e2e9f1);
  display: grid; place-items: center;
  overflow: hidden;
}
.prod-media svg { width: 62%; height: 62%; opacity: 0.92; transition: transform 0.4s var(--ease); }
.prod-card:hover .prod-media svg { transform: scale(1.06); }
.prod-media::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(16, 38, 63, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 38, 63, 0.035) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.prod-badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  padding: 3px 9px; border-radius: 3px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  background: var(--gold-500); color: var(--navy-900);
  box-shadow: 0 1px 4px rgba(154, 117, 38, 0.3);
}
.prod-brand {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  padding: 3px 8px; border-radius: 3px;
  font-size: 10.5px; font-weight: 600;
  background: rgba(255, 255, 255, 0.9);
  color: var(--navy-600);
  border: 1px solid rgba(16, 38, 63, 0.1);
  backdrop-filter: blur(4px);
}
.prod-body { padding: 16px 16px 14px; display: flex; flex-direction: column; flex: 1; }
.prod-model {
  font-family: var(--font-num);
  font-size: 10.5px; color: var(--ink-300);
  letter-spacing: 0.05em; margin-bottom: 5px;
}
.prod-card h3 {
  font-size: 15px; line-height: 1.45;
  margin-bottom: 7px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.prod-card:hover h3 { color: var(--navy-600); }
.prod-sub {
  font-size: 12.5px; color: var(--ink-400);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.prod-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 11px; }
.tag {
  font-size: 11px; padding: 2px 7px; border-radius: 3px;
  background: var(--bg-mute); color: var(--ink-500);
  border: 1px solid var(--line-soft);
  white-space: nowrap;
}
.tag-gold { background: var(--gold-100); color: var(--gold-600); border-color: rgba(195, 154, 62, 0.22); }
.tag-navy { background: rgba(29, 66, 104, 0.07); color: var(--navy-600); border-color: rgba(29, 66, 104, 0.12); }
.prod-foot {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 8px;
  margin-top: auto; padding-top: 13px;
  border-top: 1px solid var(--line-soft);
}
.prod-price {
  font-size: 17px; font-weight: 800; color: var(--danger);
  font-family: var(--font-num); letter-spacing: -0.01em;
}
.prod-price small { font-size: 11px; font-weight: 500; color: var(--ink-400); font-family: var(--font-sans); margin-left: 3px; }
.prod-moq { font-size: 11.5px; color: var(--ink-400); }

/* ------------------------------------------------------------ 12. 解决方案卡 */
.sol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.sol-card {
  display: flex; gap: 20px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all 0.26s var(--ease);
  position: relative;
  overflow: hidden;
}
.sol-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.sol-ico {
  width: 52px; height: 52px; flex: none; border-radius: 8px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--navy-700), var(--navy-500));
  color: var(--gold-300);
}
.sol-ico svg { width: 25px; height: 25px; }
.sol-body { flex: 1; min-width: 0; }
.sol-tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  color: var(--gold-600); background: var(--gold-100);
  padding: 2px 8px; border-radius: 3px; margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.sol-card h3 { font-size: 18px; line-height: 1.45; margin-bottom: 9px; }
.sol-card p { font-size: 13.5px; color: var(--ink-500); line-height: 1.72; }
.sol-more { margin-top: 14px; }

/* ------------------------------------------------------------ 13. 优势 / 服务 */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.svc-item {
  background: #fff;
  padding: 30px 26px;
  transition: background 0.2s;
}
.svc-item:hover { background: var(--bg-soft); }
.svc-ico {
  width: 42px; height: 42px; border-radius: 6px;
  display: grid; place-items: center;
  background: var(--gold-100); color: var(--gold-600);
  margin-bottom: 17px;
}
.svc-ico svg { width: 21px; height: 21px; }
.svc-item h3 { font-size: 16px; margin-bottom: 8px; }
.svc-item p { font-size: 13.5px; color: var(--ink-500); line-height: 1.72; }

/* ------------------------------------------------------------ 14. 案例卡 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all 0.26s var(--ease);
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.case-cover {
  position: relative; aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-900));
  display: grid; place-items: center;
  overflow: hidden;
}
.case-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.case-cover svg { width: 46px; height: 46px; color: rgba(217, 180, 92, 0.55); position: relative; }
.case-region {
  position: absolute; bottom: 10px; left: 10px;
  font-size: 11px; font-weight: 600;
  padding: 3px 9px; border-radius: 3px;
  background: rgba(7, 15, 28, 0.6);
  color: var(--gold-300);
  border: 1px solid rgba(217, 180, 92, 0.3);
  backdrop-filter: blur(4px);
}
.case-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.case-meta {
  display: flex; align-items: center; gap: 9px;
  font-size: 11.5px; color: var(--ink-400); margin-bottom: 9px;
}
.case-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-300); font-style: normal; }
.case-card h3 { font-size: 15.5px; line-height: 1.5; margin-bottom: 9px; }
.case-card p {
  font-size: 13px; color: var(--ink-500); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.case-metrics {
  display: flex; gap: 18px; margin-top: 15px; padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.case-metrics div b { display: block; font-family: var(--font-num); font-size: 15px; color: var(--navy-600); }
.case-metrics div span { font-size: 11px; color: var(--ink-400); }

/* ------------------------------------------------------------ 15. 新闻 */
.news-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; }
.news-feature {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.26s;
}
.news-feature:hover { box-shadow: var(--shadow-md); }
.news-feature-cover {
  aspect-ratio: 16 / 8;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-900));
  position: relative;
  display: grid; place-items: center;
}
.news-feature-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 28px 28px;
}
.news-feature-cover svg { width: 54px; height: 54px; color: rgba(217,180,92,0.5); position: relative; }
.news-cat-chip {
  position: absolute; top: 12px; left: 12px;
  font-size: 11px; font-weight: 700;
  padding: 3px 9px; border-radius: 3px;
  background: var(--gold-500); color: var(--navy-900);
}
.news-feature-body { padding: 24px 26px 26px; }
.news-date {
  font-family: var(--font-num); font-size: 11.5px;
  color: var(--ink-400); letter-spacing: 0.04em;
}
.news-feature h3 { font-size: 20px; line-height: 1.5; margin: 9px 0 11px; }
.news-feature p { font-size: 13.5px; color: var(--ink-500); line-height: 1.75; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: 0.2s;
}
.news-item:first-child { padding-top: 0; }
.news-item:hover h3 { color: var(--navy-600); }
.news-item-date {
  flex: none; width: 58px; text-align: center;
  border-right: 1px solid var(--line);
  padding-right: 14px;
}
.news-item-date b {
  display: block; font-family: var(--font-num); font-size: 21px;
  color: var(--navy-600); line-height: 1.1; font-weight: 700;
}
.news-item-date span { font-size: 10.5px; color: var(--ink-400); }
.news-item-body { min-width: 0; }
.news-item-body h3 {
  font-size: 14.5px; line-height: 1.55; margin-bottom: 5px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color 0.18s;
}
.news-item-body p {
  font-size: 12.5px; color: var(--ink-400); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}

/* ------------------------------------------------------------ 16. 品牌墙 */
.brand-wall {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1px; background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg); overflow: hidden;
}
.brand-cell {
  background: var(--navy-800);
  padding: 26px 18px;
  text-align: center;
  transition: background 0.22s;
}
.brand-cell:hover { background: var(--navy-700); }
.brand-cell b {
  display: block; font-size: 17px; color: #dbe5ee; font-weight: 700;
  letter-spacing: 0.04em;
}
.brand-cell span { display: block; font-size: 11px; color: #6d8095; margin-top: 5px; }

/* ------------------------------------------------------------ 17. CTA 区 */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--navy-800) 0%, var(--navy-600) 58%, var(--navy-700) 100%);
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 14px);
}
.cta-band .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; padding: 54px 0;
}
.cta-band h2 { font-size: clamp(22px, 2.6vw, 30px); color: #fff; line-height: 1.35; }
.cta-band p { margin-top: 11px; color: #a2b4c6; font-size: 14.5px; }
.cta-actions { display: flex; gap: 12px; flex: none; flex-wrap: wrap; }

/* ------------------------------------------------------------ 18. 页脚 */
.footer {
  background: var(--navy-900);
  color: #8496a9;
  font-size: 13.5px;
  padding-top: 60px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 44px;
  padding-bottom: 48px;
}
.footer h4 {
  font-size: 13.5px; color: #fff; font-weight: 700;
  letter-spacing: 0.06em; margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.footer h4::before {
  content: ""; width: 3px; height: 13px;
  background: var(--gold-500); border-radius: 2px;
}
.footer-brand .logo-mark { background: rgba(255,255,255,0.08); box-shadow: inset 0 0 0 1px rgba(217,180,92,0.28); }
.footer-brand .logo-cn { color: #fff; }
.footer-brand .logo-en { color: #5f7386; }
.footer-intro { margin-top: 18px; line-height: 1.85; color: #7a8ea1; font-size: 13px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: #8496a9; transition: color 0.18s; font-size: 13.5px; }
.footer-links a:hover { color: var(--gold-300); }
.footer-contact li {
  display: flex; gap: 10px; margin-bottom: 13px;
  line-height: 1.65; font-size: 13px;
}
.footer-contact svg { width: 15px; height: 15px; flex: none; margin-top: 3px; color: var(--gold-500); }
.footer-contact b { color: #dbe5ee; font-family: var(--font-num); font-size: 15px; letter-spacing: 0.02em; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0 26px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  font-size: 12.5px; color: #5f7386;
}
.footer-bottom a:hover { color: var(--gold-300); }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; }

/* 悬浮咨询 */
.float-contact {
  position: fixed; right: 18px; bottom: 26px; z-index: 80;
  display: flex; flex-direction: column; gap: 8px;
}
.float-btn {
  width: 50px; height: 50px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--navy-700); color: #fff;
  box-shadow: 0 4px 16px rgba(11, 26, 46, 0.28);
  transition: all 0.22s var(--ease);
  position: relative;
}
.float-btn:hover { background: var(--navy-600); transform: translateY(-2px); }
.float-btn svg { width: 21px; height: 21px; }
.float-btn-gold { background: linear-gradient(180deg, var(--gold-400), var(--gold-500)); color: var(--navy-900); }
.float-btn-gold:hover { background: var(--gold-400); }
.float-tip {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%) translateX(6px);
  background: var(--navy-900); color: #fff;
  font-size: 12px; padding: 6px 11px; border-radius: 4px;
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: all 0.2s;
}
.float-btn:hover .float-tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ------------------------------------------------------------ 19. 内页通用 */
.page-hero {
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700) 70%, var(--navy-600));
  color: #fff;
  padding: 52px 0 46px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%);
}
.page-hero h1 { font-size: clamp(26px, 3.2vw, 38px); color: #fff; letter-spacing: -0.02em; }
.page-hero-sub { margin-top: 14px; color: #a3b5c7; font-size: 15.5px; max-width: 760px; line-height: 1.8; }
.page-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.page-hero-tags span {
  font-size: 12px; padding: 4px 11px; border-radius: 100px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.13);
  color: #c3d2e0;
}

/* 面包屑 */
.crumb {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-400);
}
.crumb .wrap {
  display: flex; align-items: center; gap: 8px;
  height: 46px; flex-wrap: wrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.crumb .wrap::-webkit-scrollbar { display: none; }
.crumb a:hover { color: var(--navy-600); }
.crumb svg { width: 12px; height: 12px; color: var(--ink-300); flex: none; }
.crumb-current { color: var(--ink-700); font-weight: 600; }

/* ------------------------------------------------------------ 20. 产品列表页 */
.list-layout { display: grid; grid-template-columns: 244px 1fr; gap: 36px; align-items: start; }
.side { position: sticky; top: 92px; }
.side-block {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-bottom: 16px;
}
.side-title {
  padding: 14px 18px;
  font-size: 13.5px; font-weight: 700; color: var(--ink-900);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.03em;
}
.side-nav a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 18px;
  font-size: 14px; color: var(--ink-700);
  border-bottom: 1px solid var(--line-soft);
  transition: all 0.18s;
}
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover { background: var(--bg-soft); color: var(--navy-600); padding-left: 22px; }
.side-nav a.on {
  background: var(--navy-700); color: #fff; font-weight: 600;
  border-color: var(--navy-700);
}
.side-nav a.on span { color: var(--gold-300); }
.side-nav span { font-family: var(--font-num); font-size: 12px; color: var(--ink-400); }
.side-cta {
  background: linear-gradient(155deg, var(--navy-700), var(--navy-900));
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  color: #fff;
}
.side-cta h4 { color: #fff; font-size: 15.5px; margin-bottom: 8px; }
.side-cta p { font-size: 12.5px; color: #9cb0c3; line-height: 1.7; margin-bottom: 16px; }
.side-cta .tel {
  display: block; font-family: var(--font-num); font-size: 22px;
  font-weight: 700; color: var(--gold-300); margin-bottom: 14px;
  letter-spacing: 0.01em;
}

/* 工具条 */
.list-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.list-count { font-size: 13.5px; color: var(--ink-500); }
.list-count b { color: var(--navy-700); font-family: var(--font-num); font-size: 16px; }
.chips { display: flex; gap: 7px; flex-wrap: wrap; }
.chip {
  font-size: 12.5px; padding: 5px 13px; border-radius: 100px;
  border: 1px solid var(--line); color: var(--ink-500);
  background: #fff; transition: all 0.18s;
}
.chip:hover { border-color: var(--navy-400); color: var(--navy-600); }
.chip.on { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }

/* ------------------------------------------------------------ 21. 产品详情 */
.detail-top { display: grid; grid-template-columns: 1.02fr 1fr; gap: 44px; align-items: start; }
.detail-media {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #f2f6fa, #e4ebf3);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.detail-media svg { width: 60%; height: 60%; }
.detail-media::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(16,38,63,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,38,63,0.03) 1px, transparent 1px);
  background-size: 26px 26px;
}
.detail-media-note {
  position: absolute; bottom: 12px; left: 12px; right: 12px;
  font-size: 11px; color: var(--ink-400); text-align: center;
  background: rgba(255,255,255,0.8);
  padding: 5px; border-radius: 3px;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.detail-info h1 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; margin-bottom: 10px; }
.detail-sub { font-size: 14.5px; color: var(--ink-500); line-height: 1.7; }
.detail-meta-row {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px;
}
.detail-brief {
  font-size: 14px; line-height: 1.85; color: var(--ink-700);
  padding: 18px 20px;
  background: var(--bg-soft);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.price-box {
  margin-top: 22px; padding: 20px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff;
}
.price-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.price-main {
  font-family: var(--font-num); font-size: 30px; font-weight: 800;
  color: var(--danger); letter-spacing: -0.02em;
}
.price-note { font-size: 12.5px; color: var(--ink-400); }
.price-facts {
  display: flex; gap: 22px; flex-wrap: wrap;
  margin-top: 14px; padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--ink-500);
}
.price-facts b { color: var(--navy-700); font-weight: 700; }
.detail-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.detail-actions .btn { flex: 1; min-width: 150px; }
.detail-assure {
  display: flex; flex-wrap: wrap; gap: 10px 20px;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--ink-500);
}
.detail-assure li { display: flex; align-items: center; gap: 6px; }
.detail-assure svg { width: 14px; height: 14px; color: var(--ok); flex: none; }

/* 详情 Tab */
.detail-tabs { margin-top: 56px; }
.tab-head {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto; scrollbar-width: none;
}
.tab-head::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 13px 22px;
  font-size: 14.5px; font-weight: 600; color: var(--ink-500);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.18s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--navy-600); }
.tab-btn.on { color: var(--navy-700); border-bottom-color: var(--gold-500); }
.tab-panel { display: none; padding: 32px 0 0; }
.tab-panel.on { display: block; animation: fadeUp 0.3s var(--ease); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* 参数表 */
.spec-table { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.spec-table tr { border-bottom: 1px solid var(--line-soft); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table tr:nth-child(odd) { background: var(--bg-soft); }
.spec-table th {
  width: 190px; text-align: left;
  padding: 14px 20px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-500);
  vertical-align: top;
  background: transparent;
}
.spec-table td {
  padding: 14px 20px;
  font-size: 14px; color: var(--ink-900); font-weight: 500;
}

/* 场景标签 */
.scene-list { display: flex; flex-wrap: wrap; gap: 10px; }
.scene-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 13.5px; color: var(--ink-700);
  background: #fff;
}
.scene-item svg { width: 15px; height: 15px; color: var(--gold-600); }

/* 富文本正文 */
.prose { font-size: 15px; line-height: 1.9; color: var(--ink-700); }
.prose p { margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: 20px; margin: 34px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.prose h3 { font-size: 16.5px; margin: 26px 0 12px; }
.prose strong { color: var(--ink-900); font-weight: 700; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 4px; }
.prose li { position: relative; padding-left: 20px; margin-bottom: 9px; }
.prose li::before {
  content: ""; position: absolute; left: 2px; top: 12px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold-500);
}
.prose ol { counter-reset: n; }
.prose ol li { counter-increment: n; }
.prose ol li::before {
  content: counter(n); width: auto; height: auto; background: none;
  color: var(--gold-600); font-weight: 700; font-size: 13px;
  top: 0; left: 0; font-family: var(--font-num);
}

/* ------------------------------------------------------------ 22. 文章详情 */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-head { margin-bottom: 30px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: clamp(23px, 2.6vw, 31px); line-height: 1.42; margin-bottom: 16px; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  font-size: 12.5px; color: var(--ink-400);
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-meta svg { width: 13px; height: 13px; }
.article-foot {
  margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.article-nav { display: grid; gap: 10px; margin-top: 28px; }
.article-nav a {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 15px 18px;
  border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 13.5px; color: var(--ink-700);
  transition: all 0.18s;
}
.article-nav a:hover { border-color: var(--navy-400); background: var(--bg-soft); color: var(--navy-600); }
.article-nav b { color: var(--ink-400); font-weight: 600; flex: none; font-size: 12.5px; }

/* ------------------------------------------------------------ 23. 询盘表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label {
  font-size: 13px; font-weight: 600; color: var(--ink-700);
}
.field label i { color: var(--danger); font-style: normal; margin-left: 3px; }
.field input,
.field select,
.field textarea {
  height: 44px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; font-size: 14px;
  transition: border-color 0.18s, box-shadow 0.18s;
  width: 100%;
}
.field textarea { height: auto; padding: 12px 14px; resize: vertical; min-height: 100px; line-height: 1.7; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy-400);
  box-shadow: 0 0 0 3px rgba(43, 91, 138, 0.1);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-300); }
.field-hint { font-size: 11.5px; color: var(--ink-400); }
.form-note { font-size: 12px; color: var(--ink-400); line-height: 1.7; }
.form-ok {
  padding: 14px 18px; border-radius: var(--radius);
  background: #eaf6ef; border: 1px solid #bfe3cd; color: var(--ok);
  font-size: 13.5px; margin-bottom: 18px;
  display: flex; align-items: center; gap: 9px;
}
.form-ok svg { width: 17px; height: 17px; flex: none; }

.inquiry-box {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.inquiry-box h3 { font-size: 19px; margin-bottom: 7px; }
.inquiry-box > p { font-size: 13px; color: var(--ink-400); margin-bottom: 22px; }

/* ------------------------------------------------------------ 24. 资质卡 */
.cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cert-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px 20px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 0.2s;
}
.cert-item:hover { border-color: var(--gold-400); box-shadow: var(--shadow-sm); }
.cert-ico {
  width: 36px; height: 36px; flex: none; border-radius: 5px;
  display: grid; place-items: center;
  background: var(--gold-100); color: var(--gold-600);
}
.cert-ico svg { width: 18px; height: 18px; }
.cert-item b { display: block; font-size: 14px; color: var(--ink-900); line-height: 1.55; }
.cert-item span { display: block; font-size: 12px; color: var(--ink-400); margin-top: 4px; font-family: var(--font-num); }

/* ------------------------------------------------------------ 25. 时间线 */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 1px; background: linear-gradient(180deg, var(--gold-500), var(--line));
}
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 6px;
  width: 13px; height: 13px; border-radius: 50%;
  background: #fff; border: 3px solid var(--navy-600);
  box-shadow: 0 0 0 3px #fff;
}
.tl-year {
  font-family: var(--font-num); font-size: 13px; font-weight: 700;
  color: var(--gold-600); letter-spacing: 0.04em; margin-bottom: 5px;
}
.tl-item h4 { font-size: 15px; margin-bottom: 5px; }
.tl-item p { font-size: 13.5px; color: var(--ink-500); line-height: 1.72; }

/* ------------------------------------------------------------ 26. 筛选/页签 */
.page-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 28px; }
.page-tab {
  padding: 8px 18px; border-radius: 100px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-500);
  border: 1px solid var(--line); background: #fff;
  transition: all 0.18s;
}
.page-tab:hover { border-color: var(--navy-400); color: var(--navy-600); }
.page-tab.on { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }

/* 空状态 */
.empty {
  padding: 70px 20px; text-align: center;
  color: var(--ink-400); font-size: 14px;
}
.empty svg { width: 42px; height: 42px; margin: 0 auto 14px; color: var(--ink-300); }

/* 相关推荐 */
.related { margin-top: 64px; padding-top: 44px; border-top: 1px solid var(--line); }

/* ------------------------------------------------------------ 27. 响应式 */
@media (max-width: 1180px) {
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
  .article-layout { grid-template-columns: 1fr 270px; gap: 32px; }
}

@media (max-width: 980px) {
  .nav, .header-tel { display: none; }
  .burger { display: flex; }
  .header .wrap { height: 64px; }
  .topbar-left span:not(:first-child) { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 52px 0 46px; min-height: 0; }
  .hero-visual { display: none; }
  .section { padding: 60px 0; }
  .list-layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .side-block:first-child { display: none; }
  .detail-top { grid-template-columns: 1fr; gap: 28px; }
  .sol-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; gap: 32px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-wall { grid-template-columns: repeat(3, 1fr); }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; gap: 26px; padding: 44px 0; }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { display: none; }
  .cert-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .wrap, .wrap-narrow { width: calc(100% - 36px); }
  .topbar { display: none; }
  .header .wrap { height: 60px; }
  .section { padding: 46px 0; }
  .section-sm { padding: 34px 0; }
  .prod-grid, .prod-grid-3 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-grid { grid-template-columns: 1fr; gap: 12px; }
  .cat-card { padding: 22px 20px 18px; }
  .case-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .stats-bar .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 22px 12px; }
  .stat:nth-child(3) { border-left: 0; }
  .stat b { font-size: 28px; }
  .stat span { font-size: 12px; }
  .brand-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding-bottom: 34px; }
  .footer { padding-top: 44px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-hero { padding: 34px 0 30px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 14.5px; }
  .hero-cta .btn { flex: 1; min-width: 140px; }
  .sec-head { margin-bottom: 26px; }
  .prod-card h3 { font-size: 14px; }
  .prod-body { padding: 13px 12px 11px; }
  .prod-price { font-size: 15px; }
  .sol-card { flex-direction: column; gap: 14px; padding: 22px; }
  .detail-actions .btn { flex: 1 1 100%; }
  .spec-table th { width: 108px; padding: 12px 12px; font-size: 12.5px; }
  .spec-table td { padding: 12px 12px; font-size: 13px; }
  .form-grid { grid-template-columns: 1fr; }
  .inquiry-box { padding: 22px 18px; }
  .float-contact { right: 12px; bottom: 76px; }
  .float-btn { width: 44px; height: 44px; }
  .tab-btn { padding: 12px 15px; font-size: 13.5px; }
  .detail-tabs { margin-top: 36px; }
  .article-foot { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .prod-grid, .prod-grid-3 { grid-template-columns: 1fr; }
}

/* 打印 */
@media print {
  .topbar, .header, .footer, .float-contact, .cta-band, .drawer, .drawer-mask { display: none !important; }
  body { font-size: 12pt; color: #000; }
  .page-hero { background: none; color: #000; padding: 0 0 20px; }
  .page-hero h1 { color: #000; }
}

/* ==========================================================================
   PHP SSR 版新增样式
   ========================================================================== */

/* 区块标题横排（标题 + 查看全部） */
.sec-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 40px; }
.sec-head--row .sec-desc { max-width: 640px; }

/* 首页 FAQ 紧凑排版 */
.faq-list h3 { font-size: 16px; margin: 22px 0 8px; padding-bottom: 8px; border-bottom: 1px solid var(--line-soft); }
.faq-list p { color: var(--ink-500); font-size: 14px; }

/* 询盘表单提交按钮行 */
.form-actions { margin-top: 18px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.form-actions .btn-primary { flex: 1; min-width: 160px; }
.form-alert { margin: 0 0 14px; padding: 10px 14px; border-radius: 8px; background: #fdf0f0; border: 1px solid #f3c1c1; color: #b42323; font-size: 13.5px; }

/* 分页 */
.pager { display: flex; gap: 8px; justify-content: center; align-items: center; margin: 40px 0 8px; flex-wrap: wrap; }
.pager-btn { min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line-soft); border-radius: 8px; font-size: 14px; color: var(--ink-700); background: #fff; text-decoration: none; transition: all .18s; }
.pager-btn:hover { border-color: var(--navy-700); color: var(--navy-700); }
.pager-btn.is-on { background: var(--navy-800); border-color: var(--navy-800); color: #fff; font-weight: 600; }
.pager-gap { color: var(--ink-400); padding: 0 2px; }

/* 移动端筛选面板开关按钮（桌面隐藏） */
.filter-toggle { display: none; }

@media (max-width: 720px) {
  .filter-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px; border: 1px solid var(--line-soft); border-radius: 10px;
    background: #fff; font-size: 13.5px; color: var(--ink-700);
  }
  .filter-toggle svg { width: 15px; height: 15px; }
  .filter-toggle[aria-expanded="true"] { border-color: var(--navy-700); }
}

/* 解决方案页两栏卡 */
.sol-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 26px; }
.sol-pain, .sol-points { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.sol-pain h3 { font-size: 15.5px; margin-bottom: 10px; color: var(--danger, #b42323); }
.sol-points h3 { font-size: 15.5px; margin-bottom: 12px; color: var(--ok, #1d7a4f); }
.sol-pain p { font-size: 14px; color: var(--ink-500); }
.sol-points ul { list-style: none; margin: 0; padding: 0; }
.sol-points li { position: relative; padding-left: 20px; margin-bottom: 8px; font-size: 13.5px; color: var(--ink-700); }
.sol-points li::before { content: ''; position: absolute; left: 2px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold-500); }
@media (max-width: 760px) { .sol-cols { grid-template-columns: 1fr; } }

/* 空状态 */
.empty-state { text-align: center; padding: 70px 20px; border: 1px dashed var(--line-soft); border-radius: var(--radius-lg); color: var(--ink-500); }
.empty-state svg { width: 42px; height: 42px; color: var(--ink-300, #b8c4d2); margin-bottom: 12px; }
.empty-state h3 { font-size: 17px; color: var(--ink-800); margin-bottom: 8px; }
.empty-state .btn { margin-top: 18px; }

/* 案例详情数据卡 */
.case-metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0; }
.case-metric { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius, 12px); text-align: center; background: #fff; }
.case-metric b { display: block; font-family: var(--font-num, inherit); font-size: 22px; color: var(--navy-600); }
.case-metric span { font-size: 12px; color: var(--ink-400, #8a99ab); }
@media (max-width: 760px) { .case-metrics-grid { grid-template-columns: repeat(2, 1fr); } }

/* 案例卡区域标记（JS 筛选用） */
#caseGrid .case-card { }

/* 资讯列表卡 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { border: 1px solid var(--line); border-radius: var(--radius-lg, 16px); background: #fff; overflow: hidden; transition: all .2s; display: flex; flex-direction: column; }
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.news-card-cover { height: 150px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0e2036, #16324f); position: relative; color: #8fa7bf; }
.news-card-cover svg { width: 44px; height: 44px; }
.news-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card-body h3 { font-size: 15.5px; line-height: 1.55; margin: 8px 0 10px; }
.news-card-body p { font-size: 13px; color: var(--ink-500); line-height: 1.75; flex: 1; }
@media (max-width: 980px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }

/* 上一篇下一篇 */
.article-share { margin: 34px 0 0; padding: 20px 0; border-top: 1px solid var(--line); }
.article-share > span { font-size: 12px; color: var(--ink-400, #8a99ab); letter-spacing: .08em; }
.pn-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
.pn-item { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; transition: border-color .18s; }
.pn-item:hover { border-color: var(--navy-600); }
.pn-item small { display: block; font-size: 11.5px; color: var(--ink-400, #8a99ab); margin-bottom: 5px; }
.pn-item b { font-size: 13.5px; color: var(--ink-800); line-height: 1.5; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.pn-item.pn-empty { opacity: .55; }
@media (max-width: 640px) { .pn-nav { grid-template-columns: 1fr; } }

/* 关于页两栏 */
.about-intro { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .about-intro { grid-template-columns: 1fr; gap: 28px; } }
.about-stats { padding: 8px 0; }
.about-stat { display: flex; align-items: baseline; gap: 10px; padding: 13px 20px; border-bottom: 1px solid var(--line-soft); }
.about-stat:last-child { border-bottom: 0; }
.about-stat b { font-family: var(--font-num, inherit); font-size: 26px; color: var(--navy-700); }
.about-stat b span { font-size: 13px; color: var(--gold-600); }
.about-stat em { font-style: normal; font-size: 13px; color: var(--ink-500); }

/* 联系页两栏 */
.contact-wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: start; }
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; gap: 28px; } }
.contact-list { padding: 20px; color: var(--ink-700); }
.contact-list li { align-items: flex-start; }

/* 合作流程 */
.step-list { margin: 0; padding: 18px 20px; list-style: none; counter-reset: n; }
.step-list li { position: relative; padding: 0 0 14px 30px; font-size: 13.5px; color: var(--ink-700); counter-increment: n; }
.step-num { position: absolute; left: 0; top: 1px; width: 19px; height: 19px; border-radius: 50%; background: var(--navy-700); color: #fff; font-size: 11px; display: grid; place-items: center; font-weight: 700; font-family: var(--font-num, inherit); }

/* ============================================================ 23. 长文排版（资讯正文增强） */
.prose h2 { counter-increment: prose-h2; }
.prose a { color: var(--navy-500); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--gold-400); }
.prose a:hover { color: var(--gold-600); }
.prose > h2:first-child { margin-top: 0; }

/* 表格 */
.table-wrap { margin: 22px 0 26px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
.cmp-table thead th {
  background: var(--navy-800); color: #fff; font-weight: 600; text-align: left;
  padding: 12px 14px; font-size: 13px; white-space: nowrap; letter-spacing: .02em;
}
.cmp-table tbody td { padding: 12px 14px; border-top: 1px solid var(--line-soft); color: var(--ink-700); line-height: 1.7; vertical-align: top; }
.cmp-table tbody tr:nth-child(even) { background: #fafbfd; }
.cmp-table tbody tr:hover { background: var(--gold-100); }
.cmp-table tbody td:first-child { color: var(--ink-900); font-weight: 600; }

/* 提示框 */
.note-box {
  position: relative; margin: 22px 0 26px; padding: 16px 20px 16px 22px;
  background: linear-gradient(90deg, rgba(195,154,62,.09), rgba(195,154,62,.02));
  border-left: 3px solid var(--gold-500); border-radius: 0 10px 10px 0;
  font-size: 14px; line-height: 1.85; color: var(--ink-700);
}
.note-box strong { color: var(--navy-700); }

/* 正文内 CTA */
.article-inline-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin: 30px 0; padding: 20px 24px; border-radius: 14px;
  background: var(--navy-800); color: #dbe4ee;
}
.article-inline-cta span { font-size: 14.5px; line-height: 1.6; }
.article-inline-cta .btn { flex-shrink: 0; }
@media (max-width: 640px) { .article-inline-cta { flex-direction: column; align-items: flex-start; } }

/* FAQ 折叠 */
.faq-list { margin: 18px 0 8px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 15px 34px 15px 0; position: relative;
  font-size: 14.5px; font-weight: 600; color: var(--ink-900); line-height: 1.6;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 6px; top: 13px;
  font-size: 19px; color: var(--gold-600); font-weight: 400; transition: transform .2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-a { padding: 0 20px 16px 0; font-size: 13.8px; line-height: 1.9; color: var(--ink-500); }