/* =========================================================
   无锡远毅数智科技有限公司 · 企业官网样式表
   版本 1.0  |  纯静态 · 零依赖 · 响应式
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --brand-950: #04122A;
  --brand-900: #071A38;
  --brand-800: #0B2A56;
  --brand-700: #103C7A;
  --brand-600: #1552A8;
  --brand-500: #1C6BE0;
  --brand-400: #4B90F5;
  --brand-100: #E4EEFD;
  --brand-50: #F2F7FE;

  --accent-600: #0092B8;
  --accent-500: #00B4D8;
  --accent-400: #38D2EE;
  --accent-100: #DEF7FD;

  --violet-500: #6C5CE7;
  --violet-100: #ECE9FD;

  --ink: #0C1626;
  --text: #33415C;
  --muted: #6B7A99;
  --faint: #9AA8C0;
  --line: #E4EAF3;
  --line-strong: #CFDAEA;
  --bg: #FFFFFF;
  --bg-soft: #F5F8FD;
  --bg-mute: #EEF3FA;

  --ok: #12A67A;
  --warn: #E8971B;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;

  --shadow-xs: 0 1px 2px rgba(12, 22, 38, .05);
  --shadow-sm: 0 4px 14px rgba(12, 22, 38, .06);
  --shadow: 0 12px 32px rgba(12, 22, 38, .08);
  --shadow-lg: 0 26px 60px rgba(11, 42, 86, .14);

  --wrap: 1220px;
  --gap: 28px;

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-num: "SF Mono", "JetBrains Mono", ui-monospace, "DIN Alternate", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
}

p { margin: 0; }

a {
  color: var(--brand-600);
  text-decoration: none;
  transition: color .22s var(--ease);
}
a:hover { color: var(--brand-500); }

img, svg { max-width: 100%; display: block; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--brand-500); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-mute); }
::-webkit-scrollbar-thumb {
  background: #C3D0E4;
  border-radius: 99px;
  border: 2px solid var(--bg-mute);
}
::-webkit-scrollbar-thumb:hover { background: var(--brand-400); }

/* ---------- 3. 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--mute { background: var(--bg-mute); }
.section--dark {
  background: linear-gradient(160deg, var(--brand-950) 0%, var(--brand-800) 55%, var(--brand-700) 100%);
  color: #C9D8EE;
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: #fff; }

.grid { display: grid; gap: var(--gap); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-2-1 { grid-template-columns: 1.15fr .85fr; }
.g-1-2 { grid-template-columns: .85fr 1.15fr; }

.center { text-align: center; }
.mt-s { margin-top: 12px; }
.mt-m { margin-top: 24px; }
.mt-l { margin-top: 44px; }
.mt-xl { margin-top: 64px; }

/* ---------- 4. 标题组件 ---------- */
.eyebrow {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand-600);
  margin-bottom: 12px;
}
.section--dark .eyebrow { color: var(--accent-400); }

/* 章节序号：中文语境数字标记，替代英文 eyebrow */
.sec-num {
  display: block;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-400);
  margin-bottom: 10px;
}
.section--dark .sec-num { color: var(--accent-500); }

.h-display { font-size: clamp(30px, 4.4vw, 52px); }
.h1 { font-size: clamp(26px, 3.2vw, 38px); }
.h2 { font-size: clamp(23px, 2.5vw, 31px); }
.h3 { font-size: 20px; }
.h4 { font-size: 17px; }

.lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.85;
}
.section--dark .lead { color: #A8BEDC; }

.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head .lead { margin-top: 16px; }

.grad-text {
  background: linear-gradient(100deg, var(--brand-500) 0%, var(--accent-500) 60%, var(--brand-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section--dark .grad-text {
  background: linear-gradient(100deg, #7FC4FF 0%, #45E0F5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn svg { width: 17px; height: 17px; flex: none; }

.btn-primary {
  background: linear-gradient(120deg, var(--brand-600), var(--brand-500) 55%, var(--accent-500));
  color: #fff;
  box-shadow: 0 10px 24px rgba(28, 107, 224, .28);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(28, 107, 224, .36);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover {
  border-color: var(--brand-400);
  color: var(--brand-600);
}

.btn-outline-light {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .32);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .16);
  color: #fff;
}

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 34px; font-size: 16px; }
.btn-block { width: 100%; }

/* 文字箭头链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 15px;
  color: var(--brand-600);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 6. 顶部条 + 导航 ---------- */
.topbar {
  background: var(--brand-950);
  color: #93AACB;
  font-size: 13px;
  line-height: 1;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 40px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar-list { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar-item svg { width: 14px; height: 14px; color: var(--accent-400); flex: none; }
.topbar a { color: #93AACB; }
.topbar a:hover { color: #fff; }
.topbar-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-400);
  font-weight: 600;
}
.topbar-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-400);
  box-shadow: 0 0 0 4px rgba(56, 210, 238, .18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .86);
  border-bottom: 1px solid transparent;
  transition: box-shadow .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}
.site-header.is-stuck {
  box-shadow: 0 6px 26px rgba(11, 42, 86, .08);
  border-bottom-color: var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}
.logo:hover { color: inherit; }
.logo-mark { width: 52px; height: 52px; flex: none; fill: var(--brand-600); }
/* 深底页脚：深蓝部分反白，青色保持不变 */
.site-footer .logo-mark { fill: #fff; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .02em;
}
.logo-en {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--faint);
  text-transform: uppercase;
}
.site-footer .logo-cn { color: #fff; }
.site-footer .logo-en { color: #7C93B5; }

/* 主导航 */
.nav { display: flex; align-items: center; gap: 4px; }
.nav > li { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover { color: var(--brand-600); background: var(--brand-50); }
.nav-link.active { color: var(--brand-600); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-500), var(--accent-500));
}
.nav-link .caret { width: 12px; height: 12px; opacity: .6; }

.nav-drop {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 232px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.nav > li:hover .nav-drop,
.nav > li:focus-within .nav-drop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-drop a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14.5px;
  color: var(--text);
  font-weight: 500;
}
.nav-drop a:hover { background: var(--brand-50); color: var(--brand-600); }
/* 当前所在的二级页（如产品详情页）在下拉里也要标出来，
   否则用户进了详情页后导航上看不出自己在哪一节 */
.nav-drop a.active { background: var(--brand-50); color: var(--brand-600); font-weight: 600; }
.nav-drop a span.ico {
  width: 26px; height: 26px; flex: none;
  display: grid; place-items: center;
  border-radius: 7px;
  background: var(--brand-100);
  color: var(--brand-600);
}
.nav-drop a span.ico svg { width: 14px; height: 14px; }

.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 11px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle svg { width: 20px; height: 20px; color: var(--ink); }

/* 移动端抽屉 */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #fff;
  padding: 20px 22px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .34s var(--ease);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.mobile-nav-close {
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.mobile-nav-close svg { width: 18px; height: 18px; }
.mobile-nav a.m-link {
  display: block;
  padding: 15px 4px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-nav a.m-sub {
  display: block;
  padding: 11px 4px 11px 18px;
  font-size: 14.5px;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}
.mobile-nav .btn { margin-top: 22px; }

/* ---------- 7. 首屏 Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(0, 180, 216, .13), transparent 62%),
    linear-gradient(180deg, #F7FAFF 0%, #FFFFFF 78%);
  padding: 86px 0 96px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 60, 122, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 60, 122, .045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(80% 70% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 30%, transparent 100%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(32px, 4.6vw, 55px); letter-spacing: -.02em; }
.hero .lead { margin-top: 22px; max-width: 560px; font-size: 17.5px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand-700);
  margin-bottom: 22px;
}
.hero-badge b {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--brand-600), var(--accent-500));
  color: #fff;
  font-size: 12px;
  letter-spacing: .04em;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text);
}
.hero-points svg { width: 17px; height: 17px; color: var(--ok); flex: none; }

/* Hero 视觉：数智网络面板 */
.hero-visual { position: relative; }
.hero-panel {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, var(--brand-900) 0%, var(--brand-800) 45%, var(--brand-700) 100%);
  padding: 26px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(420px 260px at 88% 6%, rgba(56, 210, 238, .28), transparent 70%);
  pointer-events: none;
}
.hero-panel-inner { position: relative; z-index: 2; }
.hp-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.hp-title {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
.hp-dots { display: flex; gap: 6px; }
.hp-dots i {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255, 255, 255, .22);
}
.hp-dots i:first-child { background: var(--accent-400); }

.hp-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.hp-metric {
  padding: 15px 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
}
.hp-metric .k {
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #8FB2DC;
  font-weight: 700;
}
.hp-metric .v {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-top: 4px;
}
.hp-metric .v small { font-size: 13px; color: var(--accent-400); margin-left: 3px; }

/* 事实清单（替代此前的编造百分比进度条） */
.hp-facts { margin-top: 20px; display: grid; gap: 0; }
.hp-facts > div {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-size: 13.2px;
  line-height: 1.75;
  color: #B6CBEA;
}
.hp-facts > div:last-child { border-bottom: 0; }
.hp-facts > div > em {
  font-style: normal;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-400);
  flex: none;
}
.hp-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hp-chip {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #CFE3FA;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.float-card .fi {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--brand-100);
  color: var(--brand-600);
}
.float-card .fi svg { width: 17px; height: 17px; }
.float-card small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.fc-1 { top: -50px; left: -26px; }
.fc-2 { bottom: -50px; right: -18px; animation-delay: -2.6s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 8. 内页头图 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 62px;
  background:
    radial-gradient(880px 420px at 88% -30%, rgba(0, 180, 216, .2), transparent 62%),
    linear-gradient(150deg, var(--brand-950) 0%, var(--brand-800) 58%, var(--brand-700) 100%);
  color: #B8CCE8;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(90% 80% at 70% 0%, #000 10%, transparent 90%);
  -webkit-mask-image: radial-gradient(90% 80% at 70% 0%, #000 10%, transparent 90%);
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(27px, 3.4vw, 40px); }
.page-hero p {
  margin-top: 14px;
  max-width: 720px;
  font-size: 16.5px;
  color: #A8BEDC;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  color: #8CA6C8;
  margin-bottom: 20px;
}
.crumb a { color: #8CA6C8; }
.crumb a:hover { color: #fff; }
.crumb svg { width: 13px; height: 13px; opacity: .55; }
.crumb .cur { color: var(--accent-400); font-weight: 600; }

/* ---------- 9. 卡片 ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { border-color: var(--brand-200); }
.card-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(140deg, var(--brand-100), var(--accent-100));
  color: var(--brand-600);
  margin-bottom: 20px;
}
.card-icon svg { width: 25px; height: 25px; }
.card h3 { font-size: 19px; margin-bottom: 11px; }
.card p { font-size: 14.8px; color: var(--muted); line-height: 1.8; }
.card-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.card-tags span {
  font-size: 12.5px;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--bg-mute);
  color: var(--brand-700);
  font-weight: 600;
}
.card-num {
  position: absolute;
  top: 24px; right: 26px;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: var(--brand-100);
  line-height: 1;
}
.card--dark {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .13);
}
.card--dark:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(56, 210, 238, .34);
}
.card--dark p { color: #A8BEDC; }
.card--dark .card-icon {
  background: rgba(56, 210, 238, .14);
  color: var(--accent-400);
}
.card--dark .card-tags span {
  background: rgba(255, 255, 255, .08);
  color: #BFD6F2;
}

/* 行业方案卡（带渐变顶条） */
.sol-card { overflow: hidden; padding-top: 0; }
.sol-card .sol-band {
  height: 2px;
  margin: 0 -28px 26px;
  background: var(--brand-200);
}
.sol-list { display: grid; gap: 9px; margin-top: 18px; }
.sol-list li {
  display: flex;
  gap: 9px;
  font-size: 14.4px;
  color: var(--text);
}
.sol-list li svg { width: 16px; height: 16px; color: var(--brand-500); flex: none; margin-top: 5px; }

/* ---------- 10. 数据条 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat {
  background: #fff;
  padding: 34px 24px;
  text-align: center;
}
.stat .num {
  font-family: var(--font-num);
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--brand-600), var(--accent-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .num small { font-size: .55em; margin-left: 2px; }
.stat .lbl { font-size: 14px; color: var(--muted); margin-top: 8px; }

.section--dark .stats {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .12);
}
.section--dark .stat { background: rgba(7, 26, 56, .5); }
.section--dark .stat .num {
  background: linear-gradient(120deg, #7FC4FF, #45E0F5);
  -webkit-background-clip: text;
  background-clip: text;
}
.section--dark .stat .lbl { color: #A8BEDC; }

/* ---------- 11. 特色列表 / 流程 ---------- */
.feature-row {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line);
}
.feature-row:last-child { border-bottom: 0; }
.feature-ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  color: var(--brand-600);
}
.feature-ico svg { width: 21px; height: 21px; }
.feature-row h4 { font-size: 16.5px; margin-bottom: 6px; }
.feature-row p { font-size: 14.5px; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { position: relative; padding-top: 34px; }
.step::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 34px;
  right: -18px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-100), var(--line));
}
.step:last-child::before { display: none; }
.step-dot {
  position: absolute;
  top: 0; left: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand-600), var(--accent-500));
  color: #fff;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(28, 107, 224, .28);
}
.step h4 { font-size: 16px; margin-bottom: 7px; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.72; }

/* ---------- 12. 时间轴 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-500), var(--accent-500), transparent);
}
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand-500);
  box-shadow: 0 0 0 4px rgba(28, 107, 224, .12);
}
.tl-year {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: .04em;
}
.tl-item h4 { font-size: 16.5px; margin: 5px 0 6px; }
.tl-item p { font-size: 14.5px; color: var(--muted); }

/* ---------- 13. 标签页 / 折叠 ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  background: var(--bg-mute);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 36px;
}
.tab {
  padding: 10px 22px;
  border: 0;
  background: transparent;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .22s var(--ease);
  white-space: nowrap;
}
.tab:hover { color: var(--brand-600); }
.tab.active {
  background: #fff;
  color: var(--brand-700);
  box-shadow: var(--shadow-xs);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .45s var(--ease) both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.acc { display: grid; gap: 12px; }
.acc-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.acc-item.open { border-color: var(--brand-100); box-shadow: var(--shadow-sm); }
.acc-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 22px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}
.acc-q .chev {
  width: 22px; height: 22px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand-600);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.acc-q .chev svg { width: 13px; height: 13px; }
.acc-item.open .acc-q .chev {
  transform: rotate(180deg);
  background: var(--brand-500);
  color: #fff;
}
.acc-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease);
}
.acc-a-inner {
  padding: 0 22px 22px;
  font-size: 14.8px;
  color: var(--muted);
  line-height: 1.85;
}

/* ---------- 14. 表格 ---------- */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}
table.tbl { width: 100%; border-collapse: collapse; min-width: 640px; }
table.tbl th {
  background: var(--bg-mute);
  padding: 14px 18px;
  text-align: left;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand-700);
  letter-spacing: .03em;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.tbl td {
  padding: 15px 18px;
  font-size: 14.6px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.tbl tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:hover { background: var(--brand-50); }
table.tbl td .pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--brand-100);
  color: var(--brand-700);
  white-space: nowrap;
}
table.tbl td .pill.p-ok { background: #E1F6EF; color: #0E7F5E; }
table.tbl td .pill.p-warn { background: #FDF1DC; color: #A96A05; }
table.tbl td .pill.p-gray { background: var(--bg-mute); color: var(--muted); }

/* 窄屏下表格会超出容器横向滚动。滚动条平时不可见，
   右侧内容又被硬生生切断（看起来像排版错误），所以补一句提示。
   仅当表格确实溢出时由脚本加上 .is-scrollable 才显示。 */
.table-box { position: relative; }
.table-hint {
  display: none;
  margin: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}
.table-box.is-scrollable .table-hint { display: block; }

/* ---------- 15. 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field label .req { color: #E5484D; margin-left: 3px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #fff;
  font-size: 15px;
  color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--brand-400);
  box-shadow: 0 0 0 4px rgba(75, 144, 245, .14);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }
.form-note { font-size: 13px; color: var(--muted); }
.form-ok {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 11px;
  background: #E1F6EF;
  color: #0E7F5E;
  font-size: 14.5px;
  font-weight: 600;
  margin-top: 18px;
}
.form-ok.show { display: flex; }
.form-ok svg { width: 18px; height: 18px; flex: none; }

.form-err {
  display: none;
  padding: 14px 18px;
  border-radius: 11px;
  background: #FDECEC;
  color: #B4232A;
  font-size: 14.5px;
  font-weight: 600;
  margin-top: 18px;
}
.form-err.show { display: block; }

/* ---------- 16. 联系信息块 ---------- */
.info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.info-ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--brand-100), var(--accent-100));
  color: var(--brand-600);
}
.info-ico svg { width: 20px; height: 20px; }
.info-card .k { font-size: 13px; color: var(--muted); font-weight: 600; }
.info-card .v { font-size: 16px; font-weight: 700; color: var(--ink); margin-top: 3px; word-break: break-all; }
.info-card .v small { display: block; font-size: 13px; font-weight: 500; color: var(--muted); margin-top: 3px; }

/* ---------- 17. CTA 区块 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 58px 54px;
  background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-700) 52%, var(--accent-600) 130%);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 300px at 92% 8%, rgba(56, 210, 238, .32), transparent 68%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-aside {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.cta-aside-t {
  font-size: 13px;
  font-weight: 700;
  color: #8FB2DC;
  padding-bottom: 12px;
}
.cta-aside > div:not(.cta-aside-t) {
  font-size: 14.6px;
  line-height: 1.7;
  color: #E3EDF9;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.cta-aside > div:last-child { border-bottom: 0; }
.cta-band .cta-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(23px, 2.7vw, 33px); }
.cta-band p { margin-top: 14px; color: #BED5F0; font-size: 16.5px; max-width: 640px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ---------- 18. 页脚 ---------- */
.site-footer {
  background: var(--brand-950);
  color: #8CA6C8;
  padding: 66px 0 0;
  font-size: 14.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr .9fr .95fr .85fr 1.15fr;
  gap: 34px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-about p { margin-top: 18px; font-size: 14px; line-height: 1.85; color: #7E96B8; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #A8BEDC;
  transition: all .24s var(--ease);
}
.footer-social a:hover {
  background: var(--brand-500);
  border-color: var(--brand-500);
  color: #fff;
}
.footer-social svg { width: 17px; height: 17px; }

.footer-col h4 {
  color: #fff;
  font-size: 15.5px;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: #8CA6C8; font-size: 14.2px; }
.footer-col a:hover { color: var(--accent-400); }

.footer-contact { display: grid; gap: 14px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14.2px; line-height: 1.7; }
.footer-contact svg { width: 16px; height: 16px; color: var(--accent-400); flex: none; margin-top: 5px; }

.footer-bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13.2px;
  color: #6E86A8;
}
.footer-bottom a { color: #6E86A8; }
.footer-bottom a:hover { color: var(--accent-400); }
.footer-bottom .fb-copy { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.footer-bottom .fb-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 19. 侧边悬浮联系 ---------- */
.side-contact {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 800;
  display: grid;
  gap: 10px;
}
.side-contact button,
.side-contact a {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--brand-600);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all .24s var(--ease);
  padding: 0;
}
.side-contact button:hover,
.side-contact a:hover {
  background: var(--brand-500);
  border-color: var(--brand-500);
  color: #fff;
}
.side-contact svg { width: 19px; height: 19px; }

/* 回到顶部 */
.to-top {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 800;
  width: 46px; height: 46px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--brand-600);
  box-shadow: var(--shadow-sm);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .28s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand-500); border-color: var(--brand-500); color: #fff; }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 20. 滚动动效 ---------- */
/* 默认全部可见；仅在 JS 正常加载时才做入场动画，
   避免脚本被拦截或加载失败时整页内容不可见 */
.reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: .08s; }
.js .reveal.d2 { transition-delay: .16s; }
.js .reveal.d3 { transition-delay: .24s; }
.js .reveal.d4 { transition-delay: .32s; }
.js .reveal.d5 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 21. 杂项 ---------- */
.divider { height: 1px; background: var(--line); margin: 0; border: 0; }

.note-box {
  display: flex;
  gap: 13px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  font-size: 14.3px;
  color: var(--brand-800);
  line-height: 1.8;
}
.note-box svg { width: 19px; height: 19px; color: var(--brand-500); flex: none; margin-top: 4px; }
.note-box strong { color: var(--brand-700); }

.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chips span {
  padding: 7px 15px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13.8px;
  font-weight: 600;
  color: var(--brand-700);
  transition: all .22s var(--ease);
}
.chips span:hover {
  border-color: var(--brand-400);
  color: var(--brand-600);
}

.quote-block {
  border-left: 3px solid var(--brand-500);
  padding: 4px 0 4px 22px;
  font-size: 16.5px;
  color: var(--ink);
  line-height: 1.9;
}
.quote-block .who { display: block; margin-top: 12px; font-size: 14px; color: var(--muted); font-weight: 600; }

.media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--brand-50), var(--accent-100));
  min-height: 300px;
  display: grid;
  place-items: center;
  position: relative;
}
.media svg { width: 100%; height: auto; }

/* 位置示意图（图片占位，可直接用地图截图覆盖同名文件） */
.map-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.map-figure picture { display: block; }
.map-figure img { display: block; width: 100%; height: auto; }
.map-figure figcaption {
  padding: 13px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  background: var(--brand-50);
  border-top: 1px solid var(--line);
}

.news-card { display: flex; flex-direction: column; height: 100%; }
.news-date {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 12px;
}
.news-date b { font-size: 26px; color: var(--brand-500); line-height: 1; }
.news-card h3 { font-size: 17.5px; line-height: 1.5; margin-bottom: 10px; }
.news-card h3 a { color: var(--ink); }
.news-card h3 a:hover { color: var(--brand-600); }
.news-card p { font-size: 14.4px; color: var(--muted); flex: 1; }
.news-meta {
  display: flex;
  gap: 16px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--faint);
}
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-meta svg { width: 14px; height: 14px; }

.badge-line { display: flex; flex-wrap: wrap; gap: 10px; }
.badge-line .bd {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 11px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13.8px;
  font-weight: 600;
  color: var(--brand-700);
}
.badge-line .bd svg { width: 16px; height: 16px; color: var(--brand-500); }

.pager { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.pager a, .pager span {
  min-width: 40px; height: 40px;
  padding: 0 13px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}
.pager a:hover { border-color: var(--brand-400); color: var(--brand-600); }
.pager .cur {
  background: linear-gradient(120deg, var(--brand-600), var(--brand-500));
  border-color: transparent;
  color: #fff;
}

/* ---------- 21b. 产品相关组件 ---------- */
.prod-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.prod-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-100);
}
.prod-card-inner { padding: 34px 32px 30px; }
.prod-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  background: var(--brand-100);
  color: var(--brand-700);
  margin-bottom: 16px;
}
.prod-tag.alt { background: var(--accent-100); color: var(--accent-600); }
.prod-tag.vio { background: var(--violet-100); color: var(--violet-500); }
.prod-card h3 { font-size: 23px; margin-bottom: 6px; }
.prod-card .prod-sub {
  font-size: 13.5px;
  color: var(--faint);
  font-weight: 600;
  letter-spacing: .03em;
  margin-bottom: 16px;
}
.prod-card p { font-size: 15px; color: var(--muted); line-height: 1.82; }
.prod-feats { display: grid; gap: 10px; margin: 20px 0 24px; }
.prod-feats li { display: flex; gap: 9px; font-size: 14.6px; color: var(--text); }
.prod-feats li svg { width: 16px; height: 16px; color: var(--brand-500); flex: none; margin-top: 5px; }
.prod-actions { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 22px; border-top: 1px solid var(--line); }

.prod-visual {
  position: relative;
  background: linear-gradient(150deg, var(--brand-900), var(--brand-700) 65%, var(--accent-600) 140%);
  padding: 30px 30px 0;
  overflow: hidden;
}
.prod-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(420px 240px at 88% 0%, rgba(56, 210, 238, .26), transparent 68%);
}
.prod-visual svg { position: relative; z-index: 2; width: 100%; height: auto; display: block; border-radius: 12px 12px 0 0; }

.mock-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}
.mock-frame svg { display: block; width: 100%; height: auto; }

/* 模块矩阵 */
.mod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mod {
  display: flex;
  gap: 13px;
  padding: 17px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  transition: all .24s var(--ease);
}
.mod:hover { border-color: var(--brand-300); }
.mod-ico {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--brand-50);
  color: var(--brand-600);
}
.mod-ico svg { width: 18px; height: 18px; }
.mod h4 { font-size: 15px; margin-bottom: 4px; }
.mod p { font-size: 13.2px; color: var(--muted); line-height: 1.68; }

/* 亮点块 */
.hl {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  transition: all .28s var(--ease);
}
.hl:hover { border-color: var(--brand-100); box-shadow: var(--shadow); }
.hl-ico {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: linear-gradient(140deg, var(--brand-100), var(--accent-100));
  color: var(--brand-600);
}
.hl-ico svg { width: 26px; height: 26px; }
.hl h3 { font-size: 18px; margin-bottom: 9px; }
.hl p { font-size: 14.6px; color: var(--muted); line-height: 1.8; }

/* 勾叉标记 */
.mk { font-weight: 800; font-size: 15px; }
.mk.y { color: var(--ok); }
.mk.n { color: #C6D0DE; }
.mk.o { color: var(--brand-500); font-size: 13px; font-weight: 700; }

/* 横向流程小卡 */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.flow-item {
  position: relative;
  padding: 20px 18px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
}
.flow-item .n {
  width: 30px; height: 30px;
  margin: 0 auto 12px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-600), var(--accent-500));
  color: #fff;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
}
.flow-item h4 { font-size: 14.5px; margin-bottom: 6px; }
.flow-item p { font-size: 12.8px; color: var(--muted); line-height: 1.65; }

@media (max-width: 1080px) {
  .mod-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 620px) {
  .mod-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .hl { grid-template-columns: 1fr; gap: 14px; padding: 22px; }
  .prod-card-inner { padding: 26px 22px 24px; }
  .prod-visual { padding: 22px 22px 0; }
}

/* ---------- 24. 非卡片化排版组件（去 AI 模板感） ---------- */
/* 长文叙述：连续段落，不切成卡片 */
.prose { max-width: 800px; }
.prose p {
  font-size: 16.4px;
  line-height: 2.05;
  color: var(--text);
  margin-bottom: 20px;
}
.prose p:last-child { margin-bottom: 0; }
.prose .prose-lead {
  font-size: 18.5px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.95;
}
.section--dark .prose p { color: #B7CBEA; }
.section--dark .prose .prose-lead { color: #fff; }

/* 问题陈述 / 引语开场 */
.pull {
  border-left: 3px solid var(--brand-400);
  padding: 4px 0 4px 26px;
  margin-bottom: 34px;
  font-size: 19px;
  line-height: 1.95;
  color: var(--ink);
}
.section--dark .pull { color: #DCE8F8; border-left-color: var(--accent-500); }

/* 纯文字条目：左侧词条 + 右侧说明，无边框无图标无阴影 */
.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.rows > li {
  display: grid;
  grid-template-columns: 196px 1fr;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rows > li > b {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}
.rows > li > span {
  font-size: 14.6px;
  color: var(--muted);
  line-height: 1.85;
}
.section--dark .rows { border-top-color: rgba(255,255,255,.14); }
.section--dark .rows > li { border-bottom-color: rgba(255,255,255,.14); }
.section--dark .rows > li > b { color: #fff; }
.section--dark .rows > li > span { color: #A8BEDC; }
/* 条目左侧词条本身即跳转入口时（如 404 页） */
.rows > li > b > a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* 单栏文字条目 */
.rows--plain { list-style: none; margin: 0; padding: 0; }
.rows--plain > li {
  display: block;
  padding: 13px 0;
}
.rows--plain > li > b { display: inline; }
.rows--plain > li > span { display: inline; }
.rows--plain > li > b::after { content: "　"; }

/* 侧栏定义表：左侧小字标签，右侧内容 */
.def-tbl { border-top: 1px solid var(--line); }
.def-tbl > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.def-tbl dt { font-size: 13.4px; color: var(--muted); line-height: 1.7; }
.def-tbl dd { font-size: 14.4px; color: var(--ink); line-height: 1.75; }
.section--dark .def-tbl { border-top-color: rgba(255,255,255,.14); }
.section--dark .def-tbl > div { border-bottom-color: rgba(255,255,255,.14); }
.section--dark .def-tbl dt { color: #8FB2DC; }
.section--dark .def-tbl dd { color: #E6EEFA; }

/* 事实清单：只陈述可查证事实，不做数值包装 */
.facts { display: grid; gap: 0; }
.facts > div {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.6px;
  color: var(--text);
  line-height: 1.8;
}
.facts > div:last-child { border-bottom: 0; }
.facts > div > em {
  font-style: normal;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-500);
  min-width: 30px;
}
.section--dark .facts > div { border-bottom-color: rgba(255,255,255,.14); color: #B7CBEA; }
.section--dark .facts > div > em { color: var(--accent-400); }

@media (max-width: 860px) {
  .rows > li { grid-template-columns: 1fr; gap: 6px; }
  .def-tbl > div { grid-template-columns: 72px 1fr; }
  .prose p { font-size: 15.8px; }
  .pull { font-size: 17.5px; padding-left: 18px; }
}

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav-toggle { display: grid; }
  .header-actions .btn { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { max-width: 560px; }
  .fc-1 { left: 0; top: -46px; }
  .fc-2 { right: 0; bottom: -46px; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 860px) {
  .section { padding: 68px 0; }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .g-2-1, .g-1-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cta-band { padding: 40px 28px; }
  .side-contact { display: none; }
  .topbar .wrap { justify-content: center; }
  .topbar-list { gap: 16px; justify-content: center; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .section { padding: 56px 0; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .card { padding: 24px 22px; }
  .sol-card .sol-band { margin: 0 -22px 22px; }
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero { padding: 56px 0 68px; }
  .hero-actions .btn { width: 100%; }
  .float-card { display: none; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .topbar-list .hide-sm { display: none; }
  /* 窄屏放不下「AI · 大数据 · 物联网 · 信息安全」这行装饰性标语，直接收起，
     避免电话号与标语各自折行成两截 */
  .topbar-tag { display: none; }
}

/* ---------- 23. 打印 ---------- */
@media print {
  .site-header, .topbar, .side-contact, .to-top, .site-footer, .cta-band { display: none !important; }
  .section { padding: 20px 0; }
  body { color: #000; }
}