/* =========================================================
   恩企云官网设计系统  v2
   设计语言：互联网公司级 · 玻璃拟态 · 氛围渐变 · 微动效
   主色 #2563EB · 青色点缀 #0EA5E9
   说明：保留全部既有类名，11 个页面无需改结构即可整体焕新。
   ========================================================= */

/* ---------- 字体（拉丁显示字，避免通用字体） ---------- */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-deep: #1E3A8A;
  --primary-light: #3B82F6;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --cyan: #0EA5E9;
  --cyan-soft: #E0F2FE;
  --ink: #0B1220;
  --ink-soft: #334155;
  --muted: #64748B;
  --line: #E6EBF2;
  --bg: #F7F9FC;
  --surface: #FFFFFF;
  --white: #FFFFFF;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 2px 8px rgba(15, 23, 42, .04);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, .08), 0 18px 40px rgba(15, 23, 42, .05);
  --shadow-lg: 0 24px 60px rgba(37, 99, 235, .18);
  --glass-bg: rgba(255, 255, 255, .72);
  --glass-border: rgba(255, 255, 255, .7);
  --font: "Sora", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
  letter-spacing: .2px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-light), var(--primary)); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(37, 99, 235, .34); }
.btn-ghost {
  background: rgba(255, 255, 255, .82);
  color: var(--primary);
  border-color: var(--primary-100);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37,99,235,.10); }

/* ---------- 顶部导航（玻璃拟态 + 滚动强化） ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, .9);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(15, 23, 42, .06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .4px;
}
.nav-logo .mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  display: grid; place-items: center;
  font-size: 18px; font-weight: 800;
  box-shadow: 0 8px 18px rgba(37,99,235,.3);
}
.nav-logo .sub { font-size: 12px; color: var(--muted); font-weight: 500; letter-spacing: .5px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  padding: 9px 15px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--ink-soft);
  font-weight: 500;
  position: relative;
  transition: background .18s ease, color .18s ease;
}
.nav-links a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 5px;
  height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .22s ease;
}
.nav-links a:hover { background: var(--primary-50); color: var(--primary); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--primary); background: var(--primary-50); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: 10px; }
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

/* 导航下拉菜单 */
.nav-item { position: relative !important; display: flex; align-items: center; }
.has-dropdown > a { display: inline-flex; align-items: center; gap: 6px; }
.caret {
  width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform .2s ease; margin-left: 2px;
}
.has-dropdown:hover > a .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute !important;
  top: calc(100% + 8px);
  left: 50%;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px;
  min-width: 200px;
  padding: 14px;
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 60;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-links .dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 14.5px;
  color: var(--ink);
  background: none;
}
.nav-links .dropdown a::after { display: none; }
.nav-links .dropdown a:hover { background: var(--primary-50); color: var(--primary); }

/* ---------- 区块通用 ---------- */
.section { padding: 92px 0; }
.section-head { max-width: 780px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 3px;
  color: var(--primary); text-transform: uppercase;
  margin-bottom: 16px;
  padding: 5px 14px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-50), #fff);
  border: 1px solid var(--primary-100);
}
.section-head h2 {
  font-size: 36px; line-height: 1.25; font-weight: 800; letter-spacing: -.6px;
  margin-bottom: 16px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* 全功能协同能力矩阵 */
.matrix-h { font-size: 22px; font-weight: 700; letter-spacing: -.2px; margin: 38px 0 10px; color: var(--ink); }
.matrix-desc { color: var(--muted); font-size: 15px; margin-bottom: 22px; }
.matrix-note { font-size: 13px; color: var(--muted); opacity: .8; margin-top: 10px; }

/* ---------- 英雄区（氛围背景 + 玻璃卡片） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 620px at 82% -12%, rgba(37,99,235,.18), transparent 60%),
    radial-gradient(1000px 520px at -8% 8%, rgba(14,165,233,.16), transparent 58%),
    linear-gradient(180deg, #F4F8FF 0%, #F7F9FC 100%);
}
/* 氛围网格纹理 */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}
/* 漂浮光斑 */
.hero::after {
  content: "";
  position: absolute;
  top: -120px; right: -80px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(14,165,233,.22), transparent 65%);
  filter: blur(10px);
  pointer-events: none;
  animation: float 14s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 28px); }
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px;
  align-items: center;
  padding: 104px 0 92px;
}
/* 首页 hero 含文字+玻璃卡片两栏 */
.hero-inner:has(> *:nth-child(2)) { grid-template-columns: 1.08fr .92fr; }
/* 子页面 hero 单列内容限宽 */
.hero-inner > *:only-child { max-width: 820px; }
.hero h1 {
  font-size: 50px; line-height: 1.15; font-weight: 800; letter-spacing: -1.2px;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { font-size: 18.5px; color: var(--ink-soft); margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .stat { position: relative; }
.hero-stats .stat:not(:last-child)::after {
  content: ""; position: absolute; right: -20px; top: 6px; bottom: 6px; width: 1px; background: var(--line);
}
.hero-stats .stat .num { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.hero-stats .stat .label { font-size: 13.5px; color: var(--muted); margin-top: 4px; }

.hero-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, .1);
}
.hero-card h3 { font-size: 16px; margin-bottom: 18px; color: var(--ink-soft); letter-spacing: .3px; }
.hero-card .row {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 0; border-top: 1px solid var(--line);
}
.hero-card .row:first-of-type { border-top: none; }
.hero-card .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--primary); flex: none; box-shadow: 0 0 0 4px var(--primary-100);
}
.hero-card .row .t { font-weight: 700; font-size: 15px; }
.hero-card .row .d { font-size: 13px; color: var(--muted); }

/* ---------- 网格与卡片 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.card:hover::before { transform: scaleX(1); }
.card .ico {
  width: 54px; height: 54px; border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary-50), #fff);
  border: 1px solid var(--primary-100);
  color: var(--primary); font-weight: 800; font-size: 21px;
  margin-bottom: 20px;
  transition: transform .25s ease;
}
.card:hover .ico { transform: scale(1.06) rotate(-3deg); }
.card h3 { font-size: 19px; margin-bottom: 11px; letter-spacing: -.2px; }
.card p { color: var(--muted); font-size: 15px; }
.card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
a.card { color: inherit; text-decoration: none; display: block; }
a.card:hover { color: inherit; }

/* POS 收银系统四大模块卡片（贴合图片排版） */
.module-card { padding: 28px; }
.module-card .mod-ico {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center;
  background: #E8F0FE; color: var(--primary);
  font-weight: 700; font-size: 18px;
  margin-bottom: 18px;
}
.module-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 18px; }
.module-card .mod-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.module-card .mod-list li { font-size: 14px; line-height: 1.7; color: #475569; }
.module-card .mod-list li strong { color: #0F172A; font-weight: 600; }

/* 系统定制开发：流程步骤 */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 8px; }
.flow .step { position: relative; padding: 30px 28px 26px; }
.flow .step .step-no {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 16px;
  box-shadow: 0 8px 18px rgba(37,99,235,.25);
}
.flow .step h3 { font-size: 17px; margin: 0 0 9px; }
.flow .step p { color: var(--muted); font-size: 14px; margin: 0; }

/* 软件著作权列表 */
.copy-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.copy-list li {
  font-size: 14px; line-height: 1.7; color: #0F172A;
  padding-left: 22px; position: relative;
}
.copy-list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
}

.pill {
  display: inline-flex; align-items: center;
  font-size: 12.5px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
  background: var(--primary-50); color: var(--primary);
  border: 1px solid var(--primary-100);
}
.pill.cyan { background: var(--cyan-soft); color: #0369A1; border-color: #BAE6FD; }
.pill.gray { background: #F1F5F9; color: var(--muted); border-color: var(--line); }

/* 解决方案页：行业覆盖目录 */
.ind-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 8px; }
.ind-col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; box-shadow: var(--shadow-sm); transition: box-shadow .25s, transform .2s; }
.ind-col:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.ind-col h4 { font-size: 15px; margin: 0 0 16px; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.ind-col h4::before { content: ""; width: 4px; height: 16px; background: linear-gradient(180deg, var(--primary), var(--cyan)); border-radius: 2px; display: inline-block; }
.ind-col .tags { gap: 8px; display: flex; flex-wrap: wrap; }

/* 产品卡（特色） */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
}
.product-card::after {
  content: ""; position: absolute; top: -40%; right: -30%;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.10), transparent 70%);
  transition: transform .4s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-100); }
.product-card:hover::after { transform: scale(1.25); }
.product-card .badge {
  position: absolute; top: 24px; right: 24px;
  font-size: 12px; font-weight: 700; color: var(--primary);
  background: var(--primary-50); padding: 5px 13px; border-radius: 999px;
  border: 1px solid var(--primary-100);
}
.product-card .pc-ico {
  width: 58px; height: 58px; border-radius: 17px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 23px; margin-bottom: 20px;
  box-shadow: 0 12px 26px rgba(37,99,235,.3);
}
.product-card h3 { font-size: 22px; margin-bottom: 11px; letter-spacing: -.2px; }
.product-card p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.product-card ul.feat { display: grid; gap: 11px; margin-bottom: 24px; flex: 1 1 auto; }
.product-card ul.feat li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); }
.product-card ul.feat li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); margin-top: 9px; flex: none; }
.product-card .btn { margin-top: auto; }

/* ---------- 价值条 ---------- */
.value-band {
  position: relative; overflow: hidden;
  background: linear-gradient(125deg, var(--primary) 0%, var(--primary-deep) 100%);
  color: #fff; border-radius: var(--radius-lg); padding: 52px;
  box-shadow: var(--shadow-lg);
}
.value-band::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(600px 300px at 90% -20%, rgba(14,165,233,.45), transparent 60%),
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  pointer-events: none;
}
.value-band > * { position: relative; z-index: 1; }
.value-band h2 { font-size: 29px; margin-bottom: 14px; letter-spacing: -.3px; }
.value-band p { color: rgba(255,255,255,.88); max-width: 740px; }
.value-band .mini { display: flex; gap: 32px; margin-top: 30px; flex-wrap: wrap; }
.value-band .mini .m .n { font-size: 28px; font-weight: 800; }
.value-band .mini .m .l { font-size: 13px; color: rgba(255,255,255,.82); }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding: 24px 0; font-size: 14px; color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span.sep { margin: 0 8px; color: var(--line); }
.breadcrumb span.current { color: var(--ink-soft); font-weight: 600; }

/* ---------- 内容排版（关于/文章页） ---------- */
.prose { max-width: 840px; margin: 0 auto; }
.prose h2 { font-size: 27px; font-weight: 800; margin: 42px 0 18px; letter-spacing: -.3px; }
.prose h3 { font-size: 20px; font-weight: 700; margin: 30px 0 12px; color: var(--ink-soft); }
.prose p { color: var(--ink-soft); margin-bottom: 16px; font-size: 16.5px; }
.prose ul.bullets { margin: 0 0 18px; padding-left: 0; }
.prose ul.bullets li {
  position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--ink-soft); font-size: 16px;
}
.prose ul.bullets li::before {
  content: ""; position: absolute; left: 4px; top: 11px;
  width: 8px; height: 8px; border-radius: 2px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
}
.prose strong { color: var(--ink); font-weight: 700; }

.callout {
  background: linear-gradient(135deg, var(--primary-50), #fff);
  border: 1px solid var(--primary-100);
  border-left: 4px solid var(--primary);
  border-radius: 14px;
  padding: 22px 24px;
  margin: 30px 0;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}

/* ---------- 资质/数据条 ---------- */
.qual-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.qual {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px 22px; text-align: center;
  transition: transform .2s, box-shadow .25s, border-color .2s;
}
.qual:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.qual .q-ico { font-size: 26px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.qual .q-t { font-weight: 700; margin-bottom: 5px; }
.qual .q-d { font-size: 13.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; margin-bottom: 14px; overflow: hidden;
  transition: box-shadow .25s, border-color .2s;
}
.faq-item[open], .faq-item:hover { box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 21px 26px; font-weight: 700; font-size: 16.5px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  flex: none; width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--line); display: grid; place-items: center;
  color: var(--primary); font-size: 18px; transition: transform .25s ease, background .2s ease;
}
.faq-item[open] summary .plus { transform: rotate(45deg); background: var(--primary-50); }
.faq-item .ans { padding: 0 26px 24px; color: var(--muted); font-size: 15.5px; }

/* ---------- 联系信息 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.contact-info .ci { display: flex; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.contact-info .ci:first-child { border-top: none; }
.contact-info .ci .ci-ico {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, var(--primary-50), #fff); color: var(--primary);
  border: 1px solid var(--primary-100); display: grid; place-items: center; font-weight: 800;
}
.contact-info .ci .ci-t { font-weight: 700; }
.contact-info .ci .ci-d { font-size: 14.5px; color: var(--muted); }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; color: var(--ink-soft); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; font-size: 15px;
  font-family: inherit; color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* ---------- 二维码 ---------- */
.qrcode-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}
.qrcode-col h3 { margin-bottom: 8px; font-size: 21px; }
.qrcode-tip { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.qrcode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.qrcode-card {
  text-align: center;
}
.qrcode-card img {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  height: auto;
  display: block;
  margin: 0 auto 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.qrcode-card span {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  font-weight: 600;
}

.footer-qrcode-list {
  display: flex;
  gap: 14px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.footer-qrcode {
  text-align: center;
}
.footer-qrcode img {
  width: 88px;
  height: 88px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: #fff;
  margin-bottom: 6px;
}
.footer-qrcode span {
  display: block;
  font-size: 12px;
  color: #93A4BC;
}

/* ---------- 页脚（深色 + 顶部光晕） ---------- */
.footer { position: relative; background: #0B1220; color: #C7D2E1; padding: 70px 0 30px; margin-top: 30px; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan), var(--primary));
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 38px; }
.footer .f-logo { font-size: 20px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer .f-logo .mark { width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--primary), var(--cyan)); color: #fff; display: grid; place-items: center; font-weight: 800; }
.footer p.f-desc { font-size: 14.5px; color: #93A4BC; max-width: 330px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer ul li { margin-bottom: 11px; }
.footer ul li a { color: #93A4BC; font-size: 14.5px; transition: color .15s ease, padding-left .2s ease; }
.footer ul li a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: #7E8DA6;
}
.footer-bottom .beian a { color: #93A4BC; text-decoration: none; transition: color .15s ease; }
.footer-bottom .beian a:hover { color: #fff; text-decoration: underline; }

/* ---------- 二维码展示 ---------- */
.qrcode-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.qrcode-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
}
.qrcode-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.qrcode-item img {
  width: 100%; max-width: 200px; height: auto; margin: 0 auto 14px;
  border-radius: 12px; border: 1px solid var(--line);
}
.qrcode-item .caption { font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.qrcode-item .hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* 右下角扫码咨询浮动按钮 */
.qr-float {
  position: fixed !important; right: 22px !important; bottom: 28px !important; z-index: 90 !important;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff; font-size: 14px; font-weight: 600;
  box-shadow: 0 12px 30px rgba(37,99,235,.34);
  cursor: pointer; border: none; transition: transform .2s ease, box-shadow .2s ease;
}
.qr-float:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(37,99,235,.4); }
.qr-float::before {
  content: ""; width: 18px; height: 18px;
  background: currentColor; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='14' width='7' height='7' rx='1'/%3E%3Crect x='3' y='14' width='7' height='7' rx='1'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='14' width='7' height='7' rx='1'/%3E%3Crect x='3' y='14' width='7' height='7' rx='1'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* 二维码弹窗 */
.qr-modal { display: none; position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 100; align-items: center; justify-content: center; padding: 16px; }
.qr-modal.is-open { display: flex; }
.qr-modal-overlay {
  position: absolute; inset: 0; background: rgba(11, 18, 32, .65);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.qr-modal-content {
  position: relative; width: 92%; max-width: 560px; max-height: 90vh; overflow: auto;
  background: var(--surface); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: 0 30px 80px rgba(15,23,42,.25); margin: auto;
  animation: modalIn .25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }
.qr-modal-close {
  position: absolute; top: 16px; right: 16px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink);
  display: grid; place-items: center; font-size: 22px; line-height: 1; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.qr-modal-close:hover { background: var(--primary-50); color: var(--primary); border-color: var(--primary-100); }
.qr-modal-title { text-align: center; font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.qr-modal-sub { text-align: center; color: var(--muted); font-size: 14.5px; margin-bottom: 24px; }
.qr-modal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.qr-modal-grid .qrcode-item { box-shadow: none; }

/* ---------- 工具类 ---------- */
.center { text-align: center; }
.mt-s { margin-top: 12px; }
.mt-m { margin-top: 24px; }
.mt-l { margin-top: 40px; }
.bg-soft { background: linear-gradient(180deg, #F4F8FF, #F7F9FC); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- 滚动揭示动效（仅在 JS 启用时，按 section 自动触发） ---------- */
.js section.section .section-head,
.js section.section > .container > .grid-2 > *,
.js section.section > .container > .grid-3 > *,
.js section.section > .container > .grid-4 > *,
.js section.section > .container > .ind-grid > *,
.js section.section > .container > .qual-grid > *,
.js section.section > .container > .flow > *,
.js section.section > .container > .contact-grid > *,
.js section.section .value-band,
.js section.section .prose,
.js section.section .callout {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
}
.js section.section.in .section-head,
.js section.section.in > .container > .grid-2 > *,
.js section.section.in > .container > .grid-3 > *,
.js section.section.in > .container > .grid-4 > *,
.js section.section.in > .container > .ind-grid > *,
.js section.section.in > .container > .qual-grid > *,
.js section.section.in > .container > .flow > *,
.js section.section.in > .container > .contact-grid > *,
.js section.section.in .value-band,
.js section.section.in .prose,
.js section.section.in .callout {
  opacity: 1;
  transform: none;
}
/* 网格子项错峰 */
.js section.section.in > .container > .grid-2 > *:nth-child(2),
.js section.section.in > .container > .grid-3 > *:nth-child(2),
.js section.section.in > .container > .grid-4 > *:nth-child(2),
.js section.section.in > .container > .qual-grid > *:nth-child(2),
.js section.section.in > .container > .ind-grid > *:nth-child(2),
.js section.section.in > .container > .flow > *:nth-child(2) { transition-delay: .08s; }
.js section.section.in > .container > .grid-2 > *:nth-child(3),
.js section.section.in > .container > .grid-3 > *:nth-child(3),
.js section.section.in > .container > .grid-4 > *:nth-child(3),
.js section.section.in > .container > .qual-grid > *:nth-child(3),
.js section.section.in > .container > .ind-grid > *:nth-child(3),
.js section.section.in > .container > .flow > *:nth-child(3) { transition-delay: .16s; }
.js section.section.in > .container > .grid-3 > *:nth-child(4),
.js section.section.in > .container > .grid-4 > *:nth-child(4),
.js section.section.in > .container > .qual-grid > *:nth-child(4),
.js section.section.in > .container > .ind-grid > *:nth-child(4),
.js section.section.in > .container > .flow > *:nth-child(4) { transition-delay: .24s; }
.js section.section.in > .container > .grid-4 > *:nth-child(5),
.js section.section.in > .container > .ind-grid > *:nth-child(5) { transition-delay: .32s; }
.js section.section.in > .container > .grid-4 > *:nth-child(6),
.js section.section.in > .container > .ind-grid > *:nth-child(6) { transition-delay: .40s; }
.js section.section.in > .container > .grid-4 > *:nth-child(7),
.js section.section.in > .container > .ind-grid > *:nth-child(7) { transition-delay: .48s; }
.js section.section.in > .container > .grid-4 > *:nth-child(8),
.js section.section.in > .container > .ind-grid > *:nth-child(8) { transition-delay: .56s; }

/* Hero 入场（纯 CSS，无需 JS） */
.hero-inner > * { opacity: 0; transform: translateY(26px); animation: heroIn .9s cubic-bezier(.2,.7,.3,1) forwards; }
.hero-inner > *:nth-child(2) { animation-delay: .14s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .js section.section .section-head,
  .js section.section > .container > .grid-2 > *,
  .js section.section > .container > .grid-3 > *,
  .js section.section > .container > .grid-4 > *,
  .js section.section > .container > .ind-grid > *,
  .js section.section > .container > .qual-grid > *,
  .js section.section > .container > .flow > *,
  .js section.section > .container > .contact-grid > *,
  .js section.section .value-band,
  .js section.section .prose,
  .js section.section .callout { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-inner > * { opacity: 1 !important; transform: none !important; animation: none !important; }
  .hero::after { animation: none; }
}

/* ---------- 响应式 ---------- */
/* ============ 响应式：平板及以下统一启用汉堡导航 ============ */
@media (max-width: 980px) {
  .nav-links {
    position: fixed; inset: 70px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 24px 20px; box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform .28s ease;
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 10px; }
  .nav-links a::after { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-item { position: static; }
  .has-dropdown { flex-direction: column; align-items: stretch; }
  .has-dropdown > a { justify-content: space-between; }
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    min-width: 0;
    flex-direction: column;
    gap: 4px;
    padding: 2px 0 8px 14px;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .nav-links .dropdown a { padding: 10px 12px; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 72px 0; }
  .hero h1 { font-size: 40px; }
  .grid-3, .grid-4, .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .value-band { padding: 34px; }
  .section { padding: 70px 0; }
}
@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 28px; }
  .hero h1 { font-size: 33px; letter-spacing: -.6px; }
  .hero .lead { font-size: 16.5px; }
  .hero-inner { padding: 60px 0 56px; gap: 32px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 26px; }
  .hero-stats .stat:not(:last-child)::after { display: none; }
  .grid-2, .grid-3, .grid-4, .qual-grid, .ind-grid, .flow { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .value-band { padding: 28px; }
  .value-band h2 { font-size: 24px; }
  .qr-modal-content { padding: 24px 20px; max-height: calc(100vh - 32px); }
  .qr-modal-grid { grid-template-columns: 1fr; gap: 16px; }
  .qrcode-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .section { padding: 48px 0; }
  .hero h1 { font-size: 27px; letter-spacing: -.3px; line-height: 1.2; }
  .hero .lead { font-size: 15.5px; }
  .hero-inner { padding: 48px 0 44px; }
  .section-head h2 { font-size: 24px; }
  .section-head p { font-size: 15px; }
  .card { padding: 24px; }
  .product-card { padding: 24px; }
  .value-band { padding: 22px; border-radius: 18px; }
  .value-band h2 { font-size: 21px; }
  .value-band .mini { gap: 22px; }
  .value-band .mini .m .n { font-size: 23px; }
  .footer { padding: 52px 0 26px; }
  .footer-bottom { font-size: 12px; }
  .qr-float { right: 14px !important; bottom: 18px !important; width: 48px; height: 48px; padding: 0; border-radius: 50%; font-size: 0; gap: 0; justify-content: center; box-shadow: 0 8px 22px rgba(37,99,235,.34); }
  .qr-float::before { width: 22px; height: 22px; }
  .qr-modal-content { padding: 20px 16px; }
  .qr-modal-title { font-size: 19px; }
  .qr-modal-sub { font-size: 13px; margin-bottom: 18px; }
  .qr-modal-grid { gap: 14px; }
  .qr-modal-grid img { max-width: 150px; }
}

/* ===== 订采云供应链系统：新增版块样式 ===== */
.feat-tree { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feat-group {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
}
.feat-group::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.feat-group:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.feat-group:hover::before { transform: scaleX(1); }
.feat-group h3 { font-size: 17px; margin: 0 0 12px; color: var(--primary); }
.feat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.feat-list li { font-size: 14px; line-height: 1.5; color: #374151; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.feat-list .fm { font-weight: 600; color: #111827; }
.feat-note { margin-top: 18px; font-size: 13px; color: #6B7280; }

.ver-tag { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.v-pro { background: #EFF6FF; color: #1D4ED8; }
.v-flag { background: #ECFDF5; color: #047857; }
.v-add { background: #FEF3C7; color: #B45309; }
.v-all { background: #F3F4F6; color: #4B5563; }

.app-cat { margin-bottom: 34px; }
.app-cat > h3 { font-size: 18px; margin: 0 0 14px; padding-left: 12px; border-left: 3px solid var(--primary); }
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.app-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 16px 18px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
}
.app-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.app-card:hover::before { transform: scaleX(1); }
.app-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.app-top b { font-size: 15px; }
.app-price { font-size: 13px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.app-card p { font-size: 13px; color: #6B7280; margin: 0; line-height: 1.5; }
.app-card .ver-tag { align-self: flex-start; }

.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tech-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
}
.tech-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.tech-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.tech-card:hover::before { transform: scaleX(1); }
.tech-card h3 { font-size: 16px; margin: 0 0 8px; color: var(--primary); }
.tech-card p { font-size: 14px; color: #4B5563; margin: 0; line-height: 1.6; }

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.price-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease, border-color .2s ease;
}
.price-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.price-card:hover::before { transform: scaleX(1); }
.price-card.featured { border-color: var(--primary); box-shadow: 0 12px 34px rgba(37,99,235,.18); }
.price-card.featured::before { transform: scaleX(1); }
.price-card.featured:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(37,99,235,.24); border-color: var(--primary); }
.pc-name { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.pc-badge { font-size: 11px; background: var(--primary); color: #fff; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.pc-price { font-size: 34px; font-weight: 800; color: var(--primary); }
.pc-price small { font-size: 14px; font-weight: 600; color: #6B7280; }
.price-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: #374151; }
.price-card ul li::before { content: "\2713"; color: var(--primary); font-weight: 700; margin-right: 8px; }
.pc-suit { font-size: 13px; color: #6B7280; margin: 0; }
.price-note { margin-top: 22px; font-size: 13px; color: #6B7280; display: flex; flex-wrap: wrap; gap: 18px 28px; justify-content: center; }
.price-note span b { color: #111827; }

/* 移动端适配（新增版块） */
@media (max-width: 980px) {
  .feat-tree, .app-grid, .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .feat-tree, .app-grid, .tech-grid, .price-grid { grid-template-columns: 1fr; }
  .price-card.featured { box-shadow: var(--shadow-md); }
}
@media (max-width: 480px) {
  .price-card .pc-price { font-size: 28px; }
  .app-cat > h3 { font-size: 16px; }
}