/* =========================================================
   ys2026 · 云枢物联 官网 全新设计系统（深蓝科技风）
   — 高端大气 · 优雅克制 · 响应式
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* 品牌 / 科技蓝 */
  --brand: #0168FF;
  --brand-hover: #0052D9;
  --brand-deep: #07387F;
  --accent: #37AFF3;
  --gradient: linear-gradient(135deg, #0168FF 0%, #37AFF3 100%);
  --gradient-deep: linear-gradient(150deg, #07387F 0%, #0B1F3A 60%, #081B33 100%);

  /* 深海军蓝（区块） */
  --navy-900: #081B33;
  --navy-800: #0B1F3A;
  --navy-700: #0E2A4F;
  --navy-line: rgba(255, 255, 255, .10);

  /* 中性色 */
  --ink: #1D2129;
  --ink-sub: #4E5969;
  --ink-3rd: #9AA0A9;
  --bg: #F5F7FA;
  --bg-card: #FFFFFF;
  --line: #E9E9E9;

  /* 功能色 */
  --success: #2BA471;
  --warning: #F8B518;
  --danger: #EB4E4E;

  /* 字体 / 间距 / 圆角 / 阴影 */
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --sp: 8px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 10px rgba(8, 27, 51, .06);
  --shadow-lift: 0 14px 34px rgba(8, 27, 51, .12);
  --shadow-brand: 0 10px 26px rgba(1, 104, 255, .32);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: #fff;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-hover); }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; color: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

/* 通用 SVG 图标（行内） */
.ico { width: 18px; height: 18px; flex-shrink: 0; display: inline-block; vertical-align: -3px; }
.ico-sm { width: 16px; height: 16px; }
.ico-lg { width: 22px; height: 22px; }
.ico-xl { width: 30px; height: 30px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 26px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1;
  white-space: nowrap; transition: all .22s ease; cursor: pointer;
}
.btn .ico { transition: transform .22s ease; }
.btn:hover .ico { transform: translateX(2px); }
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover { background: linear-gradient(135deg, #0052D9, #1a9bff); color: #fff; transform: translateY(-1px); box-shadow: 0 14px 30px rgba(1, 104, 255, .4); }
.btn-ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .45); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .10); color: #fff; }
.btn-ghost { background: transparent; color: var(--brand); border: 1.5px solid rgba(1, 104, 255, .45); }
.btn-ghost:hover { border-color: var(--brand); background: var(--brand); color: #fff; }
.btn-lg { height: 50px; padding: 0 34px; font-size: 16px; }
.btn-sm { height: 34px; padding: 0 16px; font-size: 13px; }

/* ---------- Topbar（顶部公告条） ---------- */
.topbar { background: var(--navy-800); color: rgba(255, 255, 255, .8); font-size: 13px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar .tb-call {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .3); color: #fff; font-weight: 600; font-size: 12.5px;
  transition: all .22s ease;
}
.topbar .tb-call .ico { width: 13px; height: 13px; }
.topbar .tb-call:hover { background: var(--accent); border-color: transparent; color: #fff; box-shadow: 0 3px 12px rgba(55, 175, 243, .4); }
.topbar .tb-ticker { overflow: hidden; height: 20px; flex: 1; margin-left: 10px; }
.topbar .tb-ticker-inner { transition: transform .45s ease; }
.topbar .tb-tick { height: 20px; line-height: 20px; white-space: nowrap; }
@media (max-width: 560px) { .topbar .tb-ann { display: flex; } }
.topbar .tb-ann { display: inline-flex; align-items: center; gap: 8px; }
.topbar .tb-ann .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(55, 175, 243, .18); }
.topbar a { color: rgba(255, 255, 255, .9); }
.topbar a:hover { color: #fff; }
.topbar .tb-tel { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.navbar.scrolled { border-color: var(--line); box-shadow: 0 6px 22px rgba(8, 27, 51, .07); }
.navbar .container { display: flex; align-items: center; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--gradient); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(1, 104, 255, .35);
}
.brand-name { font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: .5px; line-height: 1.1; }
.brand-name small { display: block; font-size: 11px; font-weight: 500; color: var(--ink-3rd); letter-spacing: 2px; }
.brand img.brand-logo { display: block; height: 35px; width: auto; transform: translateY(-2px); }
.footer-brand img.brand-logo-lg { display: block; width: 72px; height: auto; margin-bottom: 14px; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links > li > a {
  position: relative; display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 15px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--ink-sub);
}
.nav-links > li > a:hover { color: var(--brand); background: rgba(1, 104, 255, .06); }
.nav-links > li > a.active { color: var(--brand); font-weight: 600; }
.nav-links > li > a.active::after {
  content: ''; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 2.5px;
  border-radius: 2px; background: var(--gradient);
}
.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: 26px; }
.nav-burger { display: none; margin-left: 12px; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; color: var(--ink); }
.nav-burger:hover { background: var(--bg); }

/* 下拉二级菜单 */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 190px; padding: 8px; background: #fff; border-radius: 12px;
  box-shadow: var(--shadow-lift); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transition: all .2s ease;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-menu a {
  display: block; padding: 9px 14px; border-radius: 8px; font-size: 14px; color: var(--ink-sub);
}
.dropdown-menu a:hover { background: var(--bg); color: var(--brand); }

/* 移动端导航面板 */
.mobile-nav {
  display: none; background: #fff; border-top: 1px solid var(--line);
  padding: 8px 24px 18px; max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.mobile-nav.open { max-height: 640px; }
.mobile-nav a { display: flex; align-items: center; justify-content: space-between; padding: 13px 6px; font-size: 15px; color: var(--ink); border-bottom: 1px solid #F1F3F5; }
.mobile-nav a:hover { color: var(--brand); }
.mobile-nav .mn-cta { margin-top: 14px; }
.mobile-nav .btn { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  color: #fff;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 30% 20%, #000 40%, transparent 78%);
}
.hero::after {
  content: ''; position: absolute; width: 640px; height: 640px; right: -180px; top: -220px;
  border-radius: 50%; background: radial-gradient(circle, rgba(1, 104, 255, .55), transparent 62%);
  filter: blur(10px); pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 60px; }
.hero-left { flex: 1 1 54%; }
.hero-right { flex: 1 1 46%; display: flex; justify-content: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .22);
  font-size: 13px; color: rgba(255, 255, 255, .94); margin-bottom: 26px;
}
.hero h1 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.24; font-weight: 800; letter-spacing: .5px; }
.hero h1 .grad { background: linear-gradient(120deg, #4FB6FF, #9BD4FF); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { margin: 20px 0 30px; font-size: 16px; line-height: 1.85; color: rgba(255, 255, 255, .82); max-width: 540px; }
.hero-desc b { color: #fff; font-weight: 600; }
.hero-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-top: 32px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: rgba(255, 255, 255, .78); }
.hero-trust .ico { color: var(--accent); }

/* Hero 右侧产品示意（纯 CSS/SVG mockup） */
.mock {
  width: 100%; max-width: 470px; background: #fff; color: var(--ink);
  border-radius: 18px; padding: 18px 18px 16px;
  box-shadow: 0 34px 80px rgba(0, 0, 0, .4);
  position: relative;
}
.mock::before {
  content: ''; position: absolute; inset: -1px; border-radius: 19px; padding: 1px;
  background: linear-gradient(135deg, rgba(55, 175, 243, .55), rgba(255, 255, 255, .05) 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.mock-bar .md { width: 9px; height: 9px; border-radius: 50%; }
.mock-bar .md.r { background: #FF5F57; } .mock-bar .md.y { background: #FEBC2E; } .mock-bar .md.g { background: #28C840; }
.mock-bar .mt { margin-left: 10px; font-size: 12px; color: var(--ink-sub); font-weight: 600; }
.mock-body { display: flex; gap: 14px; padding-top: 14px; }
.mock-side { width: 74px; flex-shrink: 0; display: flex; flex-direction: column; gap: 6px; }
.mock-side i { display: block; height: 26px; border-radius: 7px; background: #F1F3F7; }
.mock-side i.on { background: rgba(1, 104, 255, .12); }
.mock-side i.on::after { content: ''; display: block; height: 26px; border-radius: 7px; border: 1.5px solid var(--brand); border-top: none; border-bottom: none; background: transparent; }
.mock-main { flex: 1; }
.mock-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-bottom: 9px; }
.mock-stat { background: #F7F9FC; border: 1px solid #EEF1F6; border-radius: 9px; padding: 7px 10px; }
.mock-stat b { display: block; font-size: 16px; color: var(--brand); line-height: 1.2; }
.mock-stat span { font-size: 10.5px; color: var(--ink-3rd); }
.mock-list { display: flex; flex-direction: column; gap: 6px; }
.mock-row { display: flex; align-items: center; gap: 8px; background: #FAFBFD; border: 1px solid #EEF1F6; border-radius: 9px; padding: 6px 10px; }
.mock-row .pill { width: 30px; height: 30px; border-radius: 8px; background: rgba(1, 104, 255, .10); color: var(--brand); display: inline-flex; align-items: center; justify-content: center; }
.mock-row .ml { flex: 1; }
.mock-row .ml b { display: block; font-size: 13px; font-weight: 600; }
.mock-row .ml span { font-size: 11px; color: var(--ink-3rd); }
.mock-row .tag { font-size: 11px; padding: 3px 9px; border-radius: 999px; }
.mock-row .tag.ok { background: rgba(43, 164, 113, .12); color: var(--success); }
.mock-row .tag.warn { background: rgba(248, 181, 24, .14); color: #D98800; }

/* ---------- 信任条 ---------- */
.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { display: flex; align-items: center; gap: 14px; padding: 26px 20px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item .ico { width: 34px; height: 34px; padding: 7px; border-radius: 10px; background: rgba(1, 104, 255, .08); color: var(--brand); }
.trust-item b { display: block; font-size: 15px; font-weight: 600; }
.trust-item span { font-size: 13px; color: var(--ink-3rd); }

/* ---------- Section 通用 ---------- */
.section { padding: 88px 0; }
.section.bg { background: var(--bg); }
.section.navy { background: var(--navy-800); color: #fff; position: relative; overflow: hidden; }
.section.navy::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 52px 52px;
}
.section.navy .container { position: relative; z-index: 2; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  background: rgba(1, 104, 255, .08); color: var(--brand);
  font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 18px;
}
.section.navy .eyebrow { background: rgba(255, 255, 255, .10); color: #fff; border: 1px solid rgba(255, 255, 255, .16); }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: .3px; line-height: 1.3; }
.section-head p { margin-top: 14px; color: var(--ink-sub); font-size: 15px; line-height: 1.8; }
.section.navy .section-head p { color: rgba(255, 255, 255, .68); }

/* ---------- 功能卡 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; transition: all .25s ease; position: relative; overflow: hidden;
}
.feature-card::after {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--gradient); transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.feature-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-4px); border-color: transparent; }
.feature-card:hover::after { transform: scaleX(1); }
.fc-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  background: rgba(1, 104, 255, .09); color: var(--brand);
  display: inline-flex; align-items: center; justify-content: center;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--ink-sub); line-height: 1.75; }
.section-cta { text-align: center; margin-top: 48px; }

/* ---------- 行业场景 ---------- */
.scenario-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scenario-card {
  display: flex; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; transition: all .25s ease;
}
.scenario-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: transparent; }
.scenario-card .sc-icon { width: 46px; height: 46px; border-radius: 12px; background: rgba(1, 104, 255, .08); color: var(--brand); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.scenario-card b { display: block; font-size: 16px; font-weight: 600; }
.scenario-card span { font-size: 13px; color: var(--ink-3rd); }

/* ---------- 为什么选我们（深色） ---------- */
.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.reason-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .10);
  border-radius: var(--radius); padding: 30px 26px; transition: all .25s ease;
}
.reason-card:hover { background: rgba(255, 255, 255, .09); transform: translateY(-4px); border-color: rgba(55, 175, 243, .45); }
.reason-card .rc-icon { width: 46px; height: 46px; border-radius: 12px; background: rgba(55, 175, 243, .16); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.reason-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.reason-card p { font-size: 13.5px; color: rgba(255, 255, 255, .66); line-height: 1.75; }

/* ---------- 产品中心卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); transition: all .28s ease;
}
.product-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-4px); border-color: transparent; }
.product-card .pc-pic {
  height: 190px; background: var(--gradient-deep); position: relative; display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, .92);
}
.product-card .pc-pic::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.product-card .pc-pic .ico { width: 56px; height: 56px; position: relative; z-index: 2; }
.product-card .pc-body { padding: 24px 26px 26px; }
.product-card .pc-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.product-card .pc-body p { font-size: 14px; color: var(--ink-sub); line-height: 1.75; margin-bottom: 16px; }
.product-card .pc-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }

/* ---------- 新闻 ---------- */
.news-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.news-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 36px; }
.news-tabs button {
  padding: 9px 24px; border-radius: 999px; font-size: 14px; font-weight: 500;
  background: #fff; color: var(--ink-sub); border: 1px solid var(--line); transition: all .2s;
}
.news-tabs button.on { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: var(--shadow-brand); }
.news-item {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; transition: all .22s ease;
}
.news-item:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); border-color: transparent; }
.news-item .nd {
  flex-shrink: 0; width: 58px; text-align: center; padding: 9px 0;
  border-radius: 10px; background: rgba(1, 104, 255, .08); color: var(--brand);
}
.news-item .nd b { display: block; font-size: 22px; line-height: 1.1; font-weight: 800; }
.news-item .nd span { font-size: 12px; }
.news-item h3 { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.news-item h3 a { color: var(--ink); }
.news-item h3 a:hover { color: var(--brand); }
.news-item p { font-size: 13.5px; color: var(--ink-3rd); line-height: 1.7; }

/* ---------- CTA 横幅 ---------- */
.cta-band { background: var(--gradient-deep); color: #fff; padding: 74px 0; position: relative; overflow: hidden; text-align: center; }
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 90% at 50% 50%, #000 30%, transparent 75%);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: .3px; }
.cta-band p { margin: 14px auto 30px; color: rgba(255, 255, 255, .75); font-size: 15px; max-width: 560px; }
.cta-band .cta-note { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, .55); }

/* ---------- 联系我们 + 留言 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info .ci-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-info .ci-item:last-child { border-bottom: none; }
.contact-info .ci-icon { width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: rgba(1, 104, 255, .08); color: var(--brand); display: inline-flex; align-items: center; justify-content: center; }
.contact-info .ci-item b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.contact-info .ci-item span, .contact-info .ci-item a { font-size: 14px; color: var(--ink-sub); }
.contact-info .ci-item a:hover { color: var(--brand); }
.contact-info .ci-wechat { display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; padding: 14px 18px; background: var(--bg); border-radius: 12px; }
.contact-info .ci-wechat img { width: 84px; height: 84px; border-radius: 8px; }
.contact-info .ci-wechat span { font-size: 13px; color: var(--ink-sub); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 30px 26px; box-shadow: var(--shadow-card); }
.form-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-sub); margin-bottom: 7px; }
.form-group label .req { color: var(--danger); margin-left: 2px; }
.form-group input, .form-group textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 14px; color: var(--ink); outline: none; background: #FAFBFD;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(1, 104, 255, .10); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--ink-3rd); }
.form-group textarea { resize: vertical; min-height: 96px; }
.form-note { font-size: 12px; color: var(--ink-3rd); margin-top: 12px; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .72); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding: 68px 0 46px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-name small { color: rgba(255, 255, 255, .45); }
.footer-brand p { margin-top: 18px; font-size: 13.5px; line-height: 1.8; color: rgba(255, 255, 255, .55); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.footer-col ul a:hover { color: #fff; }
.footer-col .fc-contact li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.footer-col .fc-contact .ico { color: var(--accent); margin-top: 2px; }
.footer-col .fc-wechat { margin-top: 14px; display: inline-flex; gap: 12px; align-items: center; }
.footer-col .fc-wechat img { width: 92px; height: 92px; border-radius: 10px; background: #fff; padding: 5px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .45); }
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .fb-links { display: flex; gap: 18px; }

/* ---------- 内页通用：面包屑 / 页头 ---------- */
.page-hero {
  background: var(--gradient-deep); color: #fff; padding: 66px 0 58px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, #000 30%, transparent 75%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 30px; font-weight: 800; letter-spacing: .5px; }
.page-hero p { margin-top: 10px; color: rgba(255, 255, 255, .72); font-size: 14.5px; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .55); margin-bottom: 16px; }
.crumb a { color: rgba(255, 255, 255, .75); }
.crumb a:hover { color: #fff; }
.crumb .sep { color: rgba(255, 255, 255, .35); }

.inner { padding: 56px 0 84px; }
.inner .layout { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; }

/* 侧栏 */
.side { position: sticky; top: 96px; }
.side .side-menu { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.side .side-menu h3 { font-size: 15px; font-weight: 700; padding: 18px 22px; background: var(--bg); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; color: var(--ink); }
.side .side-menu h3 .ico { color: var(--brand); }
.side .side-menu a { display: flex; align-items: center; justify-content: space-between; padding: 13px 22px; font-size: 14px; color: var(--ink-sub); border-bottom: 1px solid #F3F5F7; }
.side .side-menu a:last-child { border-bottom: none; }
.side .side-menu a:hover { color: var(--brand); background: rgba(1, 104, 255, .04); }
.side .side-menu a.on { color: var(--brand); font-weight: 600; background: rgba(1, 104, 255, .07); }
.side .side-menu .side-sub { margin: 14px 22px 2px; font-size: 12px; color: var(--ink-3rd); font-weight: 700; letter-spacing: 1px; border-top: 1px solid var(--line); padding-top: 12px; }
.side .side-contact { margin-top: 20px; background: var(--gradient-deep); border-radius: var(--radius); color: #fff; padding: 26px 24px; }
.side .side-contact h4 { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.side .side-contact p { font-size: 13px; color: rgba(255, 255, 255, .72); line-height: 1.8; display: flex; gap: 8px; align-items: flex-start; }
.side .side-contact .ico { color: var(--accent); margin-top: 3px; }

/* 单页正文 / 文章 */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 44px; box-shadow: var(--shadow-card); }
.panel h1.panel-title { font-size: 24px; font-weight: 800; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.prose { font-size: 15px; color: var(--ink-sub); line-height: 1.95; }
.prose h2, .prose h3 { color: var(--ink); font-weight: 700; margin: 24px 0 12px; }
.prose h2 { font-size: 21px; } .prose h3 { font-size: 18px; }
.prose p { margin-bottom: 16px; }
.prose img { border-radius: 12px; margin: 18px 0; }
.prose ul { padding-left: 20px; list-style: disc; margin-bottom: 16px; }
.prose ol { padding-left: 20px; list-style: decimal; margin-bottom: 16px; }
.prose li { margin-bottom: 6px; }

/* 列表页 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s ease; }
.news-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-4px); border-color: transparent; }
.news-card .nc-pic { height: 160px; background: linear-gradient(135deg, #07387F, #0E2A4F); position: relative; display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, .9); }
.news-card .nc-pic::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px); background-size: 30px 30px; }
.news-card .nc-pic img { position: relative; z-index: 2; width: 100%; height: 100%; object-fit: cover; }
.news-card .nc-pic .ico { position: relative; z-index: 2; width: 44px; height: 44px; }
.news-card .nc-body { padding: 22px 24px; }
.news-card .nc-body .nc-date { font-size: 12px; color: var(--ink-3rd); display: inline-flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.news-card .nc-body .nc-date .ico { color: var(--brand); width: 14px; height: 14px; }
.news-card .nc-body h3 { font-size: 16px; font-weight: 600; line-height: 1.55; margin-bottom: 8px; }
.news-card .nc-body h3 a { color: var(--ink); }
.news-card .nc-body h3 a:hover { color: var(--brand); }
.news-card .nc-body p { font-size: 13.5px; color: var(--ink-3rd); line-height: 1.7; }

/* 文章详情 */
.article-head { text-align: center; padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article-head h1 { font-size: 26px; font-weight: 800; line-height: 1.4; }
.article-meta { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 14px; font-size: 13px; color: var(--ink-3rd); }
.article-meta .ico { color: var(--brand); width: 14px; height: 14px; }
.article-body { font-size: 15.5px; color: var(--ink-sub); line-height: 2; }
.article-body h2, .article-body h3 { color: var(--ink); font-weight: 700; margin: 26px 0 12px; }
.article-body p { margin-bottom: 18px; }
.article-body img { border-radius: 12px; margin: 20px auto; }
.article-pager { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 14px; }
.article-pager a { color: var(--ink-sub); max-width: 46%; }
.article-pager a:hover { color: var(--brand); }
.article-pager .no { color: var(--ink-3rd); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pagination a, .pagination span {
  min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px; font-size: 14px; color: var(--ink-sub); border: 1px solid var(--line); background: #fff; transition: all .2s;
}
.pagination a:hover { border-color: var(--brand); color: var(--brand); }
.pagination .on { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: var(--shadow-brand); }

/* ---------- Hero 三产品轮播 ---------- */
.hero-carousel { position: relative; }
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity .7s ease, visibility .7s ease;
  background: var(--gradient-deep);
}
.hero-slide.active { position: relative; opacity: 1; visibility: visible; }
.hero-slide.green { background: linear-gradient(150deg, #0B4A3B 0%, #07312B 55%, #041F1A 100%); }
.hero-slide.purple { background: linear-gradient(150deg, #2E1A6B 0%, #190B3E 55%, #0E0626 100%); }
.hero-slide .container { display: flex; align-items: center; gap: 60px; padding-top: 84px; padding-bottom: 92px; min-height: 700px; }
.hero-slide .hero-badge { border-color: rgba(255, 255, 255, .24); }
.hero-slide.green .hero-badge, .hero-slide.green .hero-trust .ico { color: #4FE3B2; }
.hero-slide.purple .hero-badge, .hero-slide.purple .hero-trust .ico { color: #B9A0FF; }
.hero-slide.green .grad { background: linear-gradient(120deg, #4FE3B2, #A9F4DC); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-slide.purple .grad { background: linear-gradient(120deg, #B9A0FF, #E3D9FF); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* 轮播指示点 / 左右箭头 */
.hero-dots { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); display: flex; gap: 9px; z-index: 6; }
.hero-dot { width: 26px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .3); transition: all .3s ease; cursor: pointer; }
.hero-dot:hover { background: rgba(255, 255, 255, .55); }
.hero-dot.on { width: 36px; background: #fff; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  transition: all .25s ease;
}
.hero-arrow:hover { background: rgba(255, 255, 255, .18); }
.hero-arrow.prev { left: 16px; }
.hero-arrow.next { right: 16px; }

/* 各产品 mock 强调色 */
.mock-green .mock-stat b, .mock-green .mock-row .pill { color: #0EA579; }
.mock-green .mock-row .pill { background: rgba(14, 165, 121, .10); }
.mock-green .mock-row .tag.ok { background: rgba(14, 165, 121, .12); color: #0EA579; }
.mock-purple .mock-stat b, .mock-purple .mock-row .pill { color: #7C3AED; }
.mock-purple .mock-row .pill { background: rgba(124, 58, 237, .10); }
.mock-purple .mock-row .tag.warn { background: rgba(248, 181, 24, .14); color: #D98800; }

/* ---------- 深色产品示意卡（物联网拓扑 / 大数据大屏） ---------- */
.mock-dark {
  width: 100%; max-width: 470px; background: rgba(9, 20, 34, .92); color: #DFE8F2;
  border-radius: 18px; padding: 18px 18px 16px;
  box-shadow: 0 34px 80px rgba(0, 0, 0, .45);
  border: 1px solid rgba(255, 255, 255, .08);
}
.mock-dark .mb-bar { display: flex; align-items: center; gap: 6px; padding-bottom: 12px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.mock-dark .mb-bar .md { width: 9px; height: 9px; border-radius: 50%; }
.mock-dark .mb-bar .md.r { background: #FF5F57; } .mock-dark .mb-bar .md.y { background: #FEBC2E; } .mock-dark .mb-bar .md.g { background: #28C840; }
.mock-dark .mb-bar .mt { margin-left: 10px; font-size: 12px; color: #AEBFD1; font-weight: 600; }

/* 物联网平台：设备接入拓扑 */
.iot-topo { padding-top: 16px; text-align: center; }
.iot-topo .hub {
  width: 86px; height: 86px; margin: 0 auto; border-radius: 50%;
  border: 1.5px solid rgba(79, 227, 178, .55);
  background: radial-gradient(circle, rgba(14, 165, 121, .28), rgba(14, 165, 121, .05));
  display: flex; align-items: center; justify-content: center; color: #4FE3B2; position: relative;
}
.iot-topo .hub::before, .iot-topo .hub::after { content: ''; position: absolute; top: 50%; width: 130px; height: 1.5px; background: linear-gradient(90deg, transparent, rgba(79, 227, 178, .45), transparent); }
.iot-topo .hub::before { right: 100%; }
.iot-topo .hub::after { left: 100%; }
.iot-topo .hub-name { font-size: 13px; color: #4FE3B2; font-weight: 700; margin-top: 8px; }
.iot-topo .nodes { display: flex; justify-content: center; gap: 18px; margin-top: 16px; }
.iot-topo .node { width: 54px; text-align: center; }
.iot-topo .node .dot { width: 12px; height: 12px; border-radius: 50%; margin: 0 auto 5px; }
.iot-topo .node .dot.on { background: #2BD0A0; box-shadow: 0 0 0 5px rgba(43, 208, 160, .15); }
.iot-topo .node .dot.off { background: #5A6B7D; }
.iot-topo .node span { font-size: 11px; color: #AEBFD1; }
.iot-topo .stream { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .07); }
.iot-topo .stream b { font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 999px; background: rgba(79, 227, 178, .12); color: #4FE3B2; }

/* 大数据分析：可视化大屏 */
.bd-screen { padding-top: 14px; }
.bd-screen .bd-kpis { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.bd-screen .bd-kpi { background: rgba(139, 92, 246, .12); border: 1px solid rgba(139, 92, 246, .3); border-radius: 10px; padding: 9px 8px; text-align: center; }
.bd-screen .bd-kpi b { display: block; font-size: 17px; color: #B9A0FF; line-height: 1.2; }
.bd-screen .bd-kpi span { font-size: 10.5px; color: #8D9CB0; }
.bd-screen .bd-chart { margin-top: 12px; }
.bd-screen .bd-chart .bars { display: flex; align-items: flex-end; gap: 6px; height: 62px; }
.bd-screen .bd-chart .bars i { flex: 1; border-radius: 4px 4px 1px 1px; background: linear-gradient(180deg, #8B5CF6, rgba(139, 92, 246, .15)); }
.bd-screen .bd-chart .cap { font-size: 10px; color: #8D9CB0; margin-top: 5px; text-align: center; }
.bd-screen .bd-list { display: flex; flex-direction: column; gap: 7px; margin-top: 12px; }
.bd-screen .bd-row { display: flex; align-items: center; gap: 9px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .07); border-radius: 9px; padding: 8px 11px; font-size: 12px; color: #CBD8E6; }
.bd-screen .bd-row .ico { color: #8D9CB0; width: 15px; height: 15px; }
.bd-screen .bd-row .bd-tag { margin-left: auto; font-size: 11px; padding: 2px 9px; border-radius: 999px; }
.bd-screen .bd-row .bd-tag.warn { background: rgba(248, 181, 24, .16); color: #FFC24D; }
.bd-screen .bd-row .bd-tag.ok { background: rgba(43, 208, 160, .14); color: #4FE3B2; }

/* ---------- 产品卡精致示意（7 款各自独立视觉） ---------- */
.pv-note { font-size: 9px; color: #AEBFD1; text-align: center; margin-top: 6px; }
.pv-row { position: relative; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 6px 0 4px; }
.pv-donut { position: relative; width: 56px; height: 56px; border-radius: 50%; background: conic-gradient(#0168FF 0 92%, #E5EAF1 92% 100%); display: flex; align-items: center; justify-content: center; }
.pv-donut i { position: absolute; width: 42px; height: 42px; border-radius: 50%; background: #fff; }
.pv-donut b { position: relative; z-index: 1; font-size: 12px; color: #0168FF; }
.pv-legend span { display: flex; align-items: center; gap: 4px; font-size: 9px; color: #8A93A0; }
.pv-legend i { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.pv-legend i.ok { background: #2BA471; }
.pv-legend i.maint { background: #EB4E4E; }
.pv-topo, .pv-line, .pv-cube, .pv-net { width: 100%; height: auto; display: block; }
.pv-big { font-size: 20px; font-weight: 800; color: #FFB454; text-align: center; line-height: 1; }
.pv-big span { display: block; font-size: 8.5px; color: #8D9CB0; font-weight: 500; margin-top: 2px; }
.pv-bars { display: flex; align-items: flex-end; gap: 4px; height: 26px; margin-top: 7px; justify-content: center; }
.pv-bars i { width: 9px; border-radius: 2px 2px 0 0; background: linear-gradient(180deg, #F59E0B, rgba(245, 158, 11, .2)); }
.pv-ticket { display: flex; align-items: center; gap: 5px; font-size: 9px; color: #CBD8E6; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); border-radius: 6px; padding: 4px 6px; margin-bottom: 5px; }
.pv-ticket .pv-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.pv-ticket .pv-dot.ok { background: #2BD0A0; }
.pv-ticket .pv-dot.warn { background: #F8B518; }
.pv-ticket .pv-st { margin-left: auto; font-size: 8px; padding: 1px 5px; border-radius: 999px; }
.pv-ticket .pv-st.ok { background: rgba(43, 208, 160, .14); color: #4FE3B2; }
.pv-ticket .pv-st.warn { background: rgba(248, 181, 24, .16); color: #FFC24D; }

/* ---------- 产品卡：真实产品界面截图（代码绘制） ---------- */
.pc-shot { width: 156px; height: 128px; overflow: hidden; border-radius: 9px; padding: 7px 9px; background: #fff; box-shadow: 0 8px 20px rgba(0, 0, 0, .22); display: flex; flex-direction: column; }
.pc-shot.dark { background: linear-gradient(165deg, rgba(16, 32, 70, .92), rgba(6, 12, 32, .95)); border: 1px solid rgba(255, 255, 255, .09); }
.pc-shot.dark.vi { background: linear-gradient(165deg, rgba(52, 34, 122, .92), rgba(15, 10, 46, .96)); border-color: rgba(178, 160, 255, .18); }
.pc-shot.dark.blue { background: linear-gradient(165deg, rgba(20, 62, 132, .92), rgba(6, 16, 44, .96)); border-color: rgba(96, 165, 250, .16); }
.pc-shot.dark.ind { background: linear-gradient(165deg, rgba(56, 48, 142, .92), rgba(14, 12, 50, .96)); border-color: rgba(165, 180, 252, .16); }
.pc-shot .ps-top { display: flex; align-items: center; gap: 4px; font-size: 8.5px; color: #9aa0a9; margin-bottom: 6px; font-weight: 600; white-space: nowrap; }
.pc-shot .ps-top i { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
.pc-shot .ps-top i.r { background: #FF5F57; }
.pc-shot .ps-top i.y { background: #FEBC2E; }
.pc-shot .ps-top i.g { background: #28C840; }
.pc-shot .ps-top span { margin-left: 3px; overflow: hidden; text-overflow: ellipsis; }
.pc-shot .ps-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-bottom: 5px; }
.pc-shot .ps-kpi { background: #F7F9FC; border: 1px solid #EEF1F6; border-radius: 6px; padding: 4px 3px; text-align: center; }
.pc-shot.dark .ps-kpi { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .1); }
.pc-shot .ps-kpi b { display: block; font-size: 12px; line-height: 1.15; color: #0168FF; }
.pc-shot.dark .ps-kpi b { color: #fff; }
.pc-shot .ps-kpi span { font-size: 7.5px; color: #9aa0a9; }
.pc-shot .ps-list { display: flex; flex-direction: column; gap: 4px; }
.pc-shot .ps-row { display: flex; align-items: center; gap: 4px; font-size: 8px; color: #4E5969; background: #FAFBFD; border: 1px solid #EEF1F6; border-radius: 5px; padding: 2px 6px; white-space: nowrap; overflow: hidden; flex-shrink: 0; }
.pc-shot.dark .ps-row { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .09); color: #CBD8E6; }
.pc-shot .ps-row .dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
.pc-shot .ps-row .dot.ok { background: #2BA471; }
.pc-shot .ps-row .dot.warn { background: #F8B518; }
.pc-shot .ps-row .dot.off { background: #C9CDD4; }
.pc-shot .ps-row .tag { margin-left: auto; font-size: 7px; padding: 1px 5px; border-radius: 999px; flex-shrink: 0; }
.pc-shot .ps-row .tag.ok { background: rgba(43, 164, 113, .12); color: #2BA471; }
.pc-shot .ps-row .tag.warn { background: rgba(248, 181, 24, .16); color: #D98800; }
.pc-shot .ps-row .tag.off { background: rgba(201, 205, 212, .22); color: #9aa0a9; }
.pc-shot .ps-msg { font-size: 8px; color: #7C8794; padding: 4px 6px; border-radius: 5px; background: #F4F7FB; border: 1px solid #E6EBF2; }
.pc-shot.dark .ps-msg { color: #9aa0a9; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .09); }
.pc-shot .ps-big { font-size: 20px; font-weight: 800; color: #FFB454; text-align: center; line-height: 1; margin: 2px 0 4px; }
.pc-shot .ps-big span { display: block; font-size: 7.5px; color: #9aa0a9; font-weight: 500; margin-top: 2px; }
.pc-shot .ps-bars { display: flex; align-items: flex-end; gap: 3px; height: 18px; margin-bottom: 5px; justify-content: center; flex-shrink: 0; }
.pc-shot .ps-bars i { width: 8px; border-radius: 2px 2px 0 0; background: linear-gradient(180deg, #F59E0B, rgba(245, 158, 11, .2)); }
.pc-shot .ps-mini { width: 100%; height: auto; display: block; flex-shrink: 0; }
.pc-shot .ps-top, .pc-shot .ps-kpis, .pc-shot .ps-big, .pc-shot .ps-msg { flex-shrink: 0; }

/* ---------- 产品卡：白色线条画（直接绘于彩色渐变，无黑框） ---------- */
.pc-pic .pv-art { width: 158px; height: 100px; display: block; }
.pc-pic .pv-art text { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }

/* ---------- 产品卡内的代码示意窗（纯代码绘制，非图片） ---------- */
.pc-window { width: 158px; border-radius: 10px; padding: 10px 10px 9px; box-shadow: 0 8px 24px rgba(0, 0, 0, .28); }
.pc-window.w-light { background: #fff; }
.pc-window.w-dark { background: rgba(9, 20, 34, .92); border: 1px solid rgba(255, 255, 255, .09); }
.pc-window .pww { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 8px; }
.pc-window .pww div { background: rgba(1, 104, 255, .08); border-radius: 6px; padding: 5px 3px; text-align: center; }
.pc-window .pww b { display: block; font-size: 13px; color: #0168FF; line-height: 1.1; }
.pc-window .pww span { font-size: 9px; color: #8A93A0; }
.pc-window .pwl { display: flex; flex-direction: column; gap: 5px; }
.pc-window .pwl-row { display: flex; align-items: center; gap: 6px; font-size: 9.5px; color: #4E5969; background: #F5F7FA; border-radius: 6px; padding: 5px 8px; }
.pc-window .pwl-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.pc-window .pwl-dot.ok { background: #2BA471; } .pc-window .pwl-dot.warn { background: #F8B518; }

/* 物联网平台：拓扑示意 */
.pc-window .pwt { text-align: center; }
.pc-window .pwt-hub { width: 44px; height: 44px; margin: 0 auto 7px; border-radius: 50%; border: 1.5px solid rgba(79, 227, 178, .6); background: radial-gradient(circle, rgba(14, 165, 121, .3), rgba(14, 165, 121, .05)); display: flex; align-items: center; justify-content: center; color: #4FE3B2; }
.pc-window .pwt-hub svg { width: 20px; height: 20px; }
.pc-window .pwt-nodes { display: flex; justify-content: center; gap: 10px; }
.pc-window .pwt-n { width: 8px; height: 8px; border-radius: 50%; }
.pc-window .pwt-n.on { background: #2BD0A0; box-shadow: 0 0 0 3px rgba(43, 208, 160, .15); }
.pc-window .pwt-n.off { background: #5A6B7D; }
.pc-window .pwt-name { font-size: 9px; color: #AEBFD1; margin-top: 7px; }

/* 大数据平台：大屏图表示意 */
.pc-window .pwb { display: flex; align-items: flex-end; gap: 5px; height: 46px; margin-bottom: 8px; }
.pc-window .pwb i { flex: 1; border-radius: 3px 3px 1px 1px; background: linear-gradient(180deg, #8B5CF6, rgba(139, 92, 246, .18)); }
.pc-window .pwr { display: flex; gap: 6px; justify-content: center; }
.pc-window .pwr span { font-size: 9px; padding: 3px 8px; border-radius: 999px; }
.pc-window .pwr .warn { background: rgba(248, 181, 24, .16); color: #FFC24D; }
.pc-window .pwr .ok { background: rgba(43, 208, 160, .14); color: #4FE3B2; }

/* ---------- 产品示意卡内容增强 ---------- */
.mock-foot { margin-top: 9px; padding-top: 8px; border-top: 1px solid var(--line); }

/* 智造设备云：清爽 SaaS 看板（4 KPI + 状态分布 + 今日动态） */
.mock-dash .md-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin: 14px 0 12px; }
.mock-dash .md-kpi { background: #F7F9FC; border: 1px solid #EEF1F6; border-radius: 9px; padding: 9px 6px; text-align: center; }
.mock-dash .md-kpi b { display: block; font-size: 19px; color: var(--brand); line-height: 1.15; }
.mock-dash .pv-donut { width: 72px; height: 72px; }
.mock-dash .pv-donut i { width: 54px; height: 54px; }
.mock-dash .pv-donut b { font-size: 14px; }
.mock-dash .md-kpi span { font-size: 9.5px; color: var(--ink-3rd); }
.mock-dash .md-cols { display: grid; grid-template-columns: 1.15fr 1fr; gap: 14px; }
.mock-dash h5 { font-size: 11px; color: var(--ink-3rd); margin-bottom: 8px; font-weight: 600; }
.mock-dash .md-status { display: flex; flex-direction: column; justify-content: space-between; }
.mock-dash .md-donut-wrap { display: flex; justify-content: center; }
.mock-dash .md-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; font-size: 9.5px; color: var(--ink-3rd); }
.mock-dash .md-legend span { display: inline-flex; align-items: center; gap: 5px; }
.mock-dash .md-legend i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.mock-dash .md-legend i.ok { background: #2BA471; }
.mock-dash .md-legend i.warn { background: #F8B518; }
.mock-dash .md-legend i.maint { background: #EB4E4E; }
.mock-dash .md-legend i.off { background: #C9CDD4; }
.mock-dash .md-shop { display: flex; flex-direction: column; gap: 5px; }
.mock-dash .md-shop-row { display: flex; align-items: center; gap: 6px; font-size: 9.5px; color: var(--ink-3rd); }
.mock-dash .md-shop-row span { width: 52px; flex-shrink: 0; }
.mock-dash .md-shop-bar { flex: 1; height: 6px; border-radius: 3px; background: #EEF1F6; overflow: hidden; }
.mock-dash .md-shop-bar i { display: block; height: 100%; border-radius: 3px; background: var(--gradient); }
.mock-dash .md-shop-row b { width: 30px; text-align: right; font-weight: 600; color: var(--ink-sub); }
.mock-dash .md-dyn { display: flex; flex-direction: column; gap: 6px; }
.mock-dash .md-row { display: flex; align-items: center; gap: 7px; font-size: 10.5px; color: var(--ink-sub); background: #FAFBFD; border: 1px solid #EEF1F6; border-radius: 7px; padding: 6px 9px; }
.mock-dash .md-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.mock-dash .md-dot.ok { background: #2BA471; }
.mock-dash .md-dot.warn { background: #F8B518; }
.mock-foot .mf-line { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-3rd); margin-bottom: 6px; }
.mock-foot .mf-line b { color: var(--brand); font-weight: 700; }
.mock-foot .mf-bar { height: 6px; border-radius: 3px; background: #EEF1F6; overflow: hidden; }
.mock-foot .mf-bar i { display: block; height: 100%; border-radius: 3px; background: var(--gradient); }

.iot-topo .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.iot-topo .stats div { background: rgba(79, 227, 178, .08); border: 1px solid rgba(79, 227, 178, .22); border-radius: 8px; padding: 6px 4px; }
.iot-topo .stats b { display: block; font-size: 14px; color: #4FE3B2; line-height: 1.1; }
.iot-topo .stats span { font-size: 10px; color: #8D9CB0; }

.bd-chart .lines { display: flex; align-items: flex-end; gap: 3px; height: 32px; margin-top: 6px; }
.bd-chart .lines i { flex: 1; background: rgba(139, 92, 246, .28); border-radius: 1px; }

/* 大数据 mock：柱状图 + 状态点 */
.mock-bars { display: flex; align-items: flex-end; gap: 8px; height: 76px; margin-bottom: 12px; }
.mock-bars i { flex: 1; border-radius: 5px 5px 2px 2px; background: linear-gradient(180deg, #0168FF, rgba(1, 104, 255, .22)); }
.mock-green .mock-bars i { background: linear-gradient(180deg, #0EA579, rgba(14, 165, 121, .22)); }
.mock-purple .mock-bars i { background: linear-gradient(180deg, #7C3AED, rgba(124, 58, 237, .22)); }
.mock-row .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.dot.online { background: #2BA471; box-shadow: 0 0 0 4px rgba(43, 164, 113, .14); }
.dot.offline { background: #C1C1C1; }

/* ---------- 免费开通弹窗（三产品选择） ---------- */
.saa-modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 27, 51, .55); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease;
}
.saa-modal-mask.show { opacity: 1; visibility: visible; }
.saa-modal {
  width: 100%; max-width: 780px; background: #fff; border-radius: 20px;
  padding: 34px 34px 30px; box-shadow: 0 40px 90px rgba(8, 27, 51, .35);
  transform: translateY(16px); transition: transform .3s ease;
  position: relative; max-height: 90vh; overflow: auto;
}
.saa-modal-mask.show .saa-modal { transform: none; }
.saa-modal .sm-close { position: absolute; right: 16px; top: 16px; width: 34px; height: 34px; border-radius: 50%; background: var(--bg); color: var(--ink-sub); display: inline-flex; align-items: center; justify-content: center; transition: all .2s; }
.saa-modal .sm-close:hover { background: #ECEFF3; color: var(--ink); }
.saa-modal h3 { font-size: 22px; font-weight: 800; }
.saa-modal .sm-sub { margin-top: 8px; font-size: 14px; color: var(--ink-sub); line-height: 1.7; }
.saa-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.saa-card { border: 1px solid var(--line); border-radius: 16px; padding: 24px 20px 20px; text-align: center; display: flex; flex-direction: column; align-items: center; transition: all .22s ease; }
.saa-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: transparent; }
.saa-card .sa-icon { width: 52px; height: 52px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.saa-card h4 { font-size: 16px; font-weight: 700; }
.saa-card p { font-size: 12.5px; color: var(--ink-3rd); line-height: 1.6; margin: 8px 0 14px; min-height: 40px; }
.saa-card .sa-tag { font-size: 11px; padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }
.saa-card .sa-btn { width: 100%; }
.sa-card-blue .sa-icon { background: rgba(1, 104, 255, .09); color: var(--brand); }
.sa-card-green .sa-icon { background: rgba(14, 165, 121, .10); color: #0EA579; }
.sa-card-purple .sa-icon { background: rgba(124, 58, 237, .10); color: #7C3AED; }
.sa-card-blue .sa-tag { background: rgba(1, 104, 255, .10); color: var(--brand); }
.sa-card-green .sa-tag { background: rgba(14, 165, 121, .12); color: #0EA579; }
.sa-card-purple .sa-tag { background: rgba(124, 58, 237, .12); color: #7C3AED; }
@media (max-width: 760px) { .saa-cards { grid-template-columns: 1fr; } .saa-modal { padding: 26px 20px 22px; } }

/* ---------- 电话咨询弹层（号码点击后可见） ---------- */
.phone-mask {
  position: fixed; inset: 0; z-index: 210;
  background: rgba(8, 27, 51, .5); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .22s ease, visibility .22s ease;
}
.phone-mask.show { opacity: 1; visibility: visible; }
.phone-card {
  width: 100%; max-width: 400px; background: #fff; border-radius: 18px;
  padding: 30px 30px 22px; box-shadow: 0 30px 70px rgba(8, 27, 51, .35);
  transform: translateY(14px); transition: transform .25s ease; position: relative; text-align: center;
}
.phone-mask.show .phone-card { transform: none; }
.phone-card .pc-close { position: absolute; right: 12px; top: 12px; width: 30px; height: 30px; border-radius: 50%; background: var(--bg); color: var(--ink-sub); display: inline-flex; align-items: center; justify-content: center; transition: all .2s; }
.phone-card .pc-close:hover { background: #ECEFF3; color: var(--ink); }
.phone-card .pc-title { font-size: 19px; font-weight: 800; text-align: center; }
.phone-card .pc-wecom { margin-top: 20px; }
.phone-card .pc-qr-big { width: 200px; height: auto; border: 1px solid var(--line); border-radius: 12px; margin: 0 auto; display: block; }
.phone-card .pc-wecom h4 { font-size: 15px; font-weight: 700; margin-top: 14px; }
.phone-card .pc-wecom .pc-tip { font-size: 12.5px; color: var(--ink-3rd); margin-top: 6px; }
.phone-card .pc-more { margin: 20px auto 0; display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--ink-3rd); background: none; }
.phone-card .pc-more:hover { color: var(--brand); }
.phone-card .pc-more .ico { width: 14px; height: 14px; transition: transform .2s; }
.phone-card .pc-more.open .ico { transform: rotate(180deg); }
.phone-card .pc-extra { border-top: 1px dashed var(--line); margin-top: 14px; padding-top: 10px; font-size: 13px; color: var(--ink-sub); text-align: left; display: none; }
.phone-card .pc-extra.show { display: block; }
.phone-card .pc-extra-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 2px; }
.phone-card .pc-extra-row .ico { color: var(--ink-3rd); width: 15px; height: 15px; }
.phone-card .pc-extra-row b { font-weight: 600; font-variant-numeric: tabular-nums; }
.phone-card .pc-extra-row a { color: var(--brand); font-size: 12.5px; }

/* ---------- Toast 提示 ---------- */
.saa-toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(10px);
  background: rgba(8, 27, 51, .94); color: #fff; font-size: 14px; line-height: 1.6;
  padding: 12px 22px; border-radius: 999px; z-index: 300;
  opacity: 0; pointer-events: none; transition: all .25s ease; max-width: 92vw; text-align: center;
}
.saa-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 滚动渐现 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .news-wrap { grid-template-columns: 1fr; }
  .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
  .trust-item + .trust-item { border-left: none; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .inner .layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .hero-slide .container { gap: 40px; }
  .hero-arrow { display: none; }
}

@media (max-width: 860px) {
  .hero-slide .container { flex-direction: column; text-align: left; padding-top: 34px; }
  .hero-left { width: 100%; }
  .hero-right { width: 100%; justify-content: flex-start; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-cta { margin-left: auto; }
  .nav-burger { display: inline-flex; }
  .mobile-nav { display: block; }
  .section { padding: 62px 0; }
  .feature-grid, .product-grid { grid-template-columns: 1fr; }
  .scenario-wrap { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .panel { padding: 28px 24px; }
}

@media (max-width: 560px) {
  .scenario-wrap, .news-grid { grid-template-columns: 1fr; }
  .trust-strip .container { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .hero-slide .container { padding-top: 44px; padding-bottom: 66px; }
  .hero-slide .container { padding-left: 20px; padding-right: 20px; }
  .hero-cta .btn { width: 100%; }
}

/* =========================================================
   产品详情页 product.html（企业版详细介绍）
   ========================================================= */
.pd-hero { position: relative; overflow: hidden; border-radius: 16px; background: linear-gradient(135deg, #07387F, #0B1F3A); color: #fff; padding: 34px 34px 30px; }
.pd-hero::before { 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: 30px 30px; pointer-events: none; }
.pd-tag { display: inline-flex; align-items: center; font-size: 12.5px; font-weight: 600; color: #BFE1FF; background: rgba(55,175,243,.14); border: 1px solid rgba(55,175,243,.35); padding: 3px 12px; border-radius: 999px; }
.pd-hero h2 { font-size: 30px; font-weight: 800; margin: 14px 0 10px; letter-spacing: .5px; }
.pd-lead { font-size: 15.5px; color: rgba(255,255,255,.82); line-height: 1.8; max-width: 680px; }
.pd-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 22px 0 20px; }
.pd-stat { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 14px 12px; text-align: center; }
.pd-stat b { display: block; font-size: 22px; font-weight: 800; color: #5BB7FF; line-height: 1.15; }
.pd-stat span { font-size: 12.5px; color: rgba(255,255,255,.75); }
.pd-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.pd-cta .form-note { color: rgba(255,255,255,.7); font-size: 12.5px; }

.pd-section { margin-top: 34px; }
.pd-section > h3 { font-size: 20px; font-weight: 800; color: var(--ink); display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.pd-section > h3::before { content: ''; width: 4px; height: 18px; border-radius: 2px; background: var(--gradient); }
.pd-section > p { font-size: 14.5px; color: var(--ink-sub); line-height: 2; margin-bottom: 12px; }

.pd-hl-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.pd-hl { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 18px; transition: all .25s ease; }
.pd-hl:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: transparent; }
.pd-hl b { display: block; font-size: 24px; font-weight: 800; color: var(--brand); line-height: 1.2; margin-bottom: 8px; }
.pd-hl h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.pd-hl p { font-size: 12.5px; color: var(--ink-sub); line-height: 1.7; }

.pd-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.pd-feat { display: flex; gap: 12px; background: #FBFCFE; border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px; transition: all .25s ease; }
.pd-feat:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); border-color: transparent; }
.pd-feat .fc-icon { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 0; flex-shrink: 0; background: var(--gradient-soft); color: var(--brand); }
.pd-feat .fc-icon .ico { width: 20px; height: 20px; }
.pd-feat h4 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.pd-feat p { font-size: 12.5px; color: var(--ink-sub); line-height: 1.7; }

.pd-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; list-style: none; }
.pd-list li { position: relative; padding-left: 22px; font-size: 14px; color: var(--ink-sub); line-height: 1.8; }
.pd-list li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

.pd-adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.pd-adv { display: flex; gap: 13px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px; }
.pd-adv .fc-icon { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 0; flex-shrink: 0; background: var(--gradient-soft); color: var(--brand); }
.pd-adv .fc-icon .ico { width: 20px; height: 20px; }
.pd-adv h4 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.pd-adv p { font-size: 12.5px; color: var(--ink-sub); line-height: 1.7; }

.pd-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.pd-step { position: relative; background: #FBFCFE; border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px 14px; text-align: center; }
.pd-step::before { counter-increment: pdstep; content: counter(pdstep); position: absolute; top: -11px; left: 50%; transform: translateX(-50%); width: 22px; height: 22px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.pd-steps { counter-reset: pdstep; }
.pd-step h4 { font-size: 13.5px; font-weight: 700; margin-bottom: 5px; }
.pd-step p { font-size: 11.5px; color: var(--ink-sub); line-height: 1.6; }

.pd-note { border: 1px solid #D6E7FF; background: rgba(1,104,255,.05); border-radius: 12px; padding: 16px 18px; font-size: 13.5px; color: var(--ink-sub); line-height: 1.9; }
.pd-note b { color: var(--brand); }

.pd-cta-band { margin-top: 36px; border-radius: 16px; background: linear-gradient(135deg, #07387F, #0B1F3A); padding: 30px 34px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; position: relative; overflow: hidden; }
.pd-cta-band::before { 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: 30px 30px; pointer-events: none; }
.pd-cta-band h3 { font-size: 20px; font-weight: 800; position: relative; }
.pd-cta-band p { font-size: 13.5px; color: rgba(255,255,255,.75); margin-top: 6px; position: relative; }

@media (max-width: 900px) {
  .pd-stats, .pd-hl-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-feat-grid { grid-template-columns: 1fr 1fr; }
  .pd-steps { grid-template-columns: 1fr 1fr; }
  .pd-adv-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pd-stats, .pd-hl-grid, .pd-feat-grid { grid-template-columns: 1fr; }
  .pd-steps { grid-template-columns: 1fr; }
  .pd-list { grid-template-columns: 1fr; }
}

/* =========================================================
   常见问题 FAQ（产品详情页 · GEO 可引用内容）
   ========================================================= */
.pd-faq { margin-top: 0; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.faq-item h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
.faq-item h4::before { content: 'Q'; width: 20px; height: 20px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 11px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.faq-item p { font-size: 13px; color: var(--ink-sub); line-height: 1.8; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; } }

/* =========================================================
   招聘页 join.html
   ========================================================= */
.job-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.job-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 26px 22px; }
.job-head { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.job-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--gradient-soft, rgba(1,104,255,.09)); color: var(--brand); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.job-head h3 { font-size: 19px; font-weight: 800; color: var(--ink); }
.job-tags { display: inline-block; margin-top: 6px; font-size: 12.5px; color: var(--ink-3rd); background: var(--bg); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }
.job-section { margin-top: 16px; }
.job-section h4 { font-size: 15px; font-weight: 700; color: var(--brand-deep, #07387F); margin-bottom: 8px; }
.job-section .pd-list li { margin-bottom: 4px; }
@media (max-width: 900px) { .job-grid { grid-template-columns: 1fr; } }