/* ============================================================
   柳州车合互联科技有限公司 · 企业官网样式
   品牌色：navy #0B1F3A / blue #1D4ED8 / cyan #0EA5E9 / amber #F59E0B
   ============================================================ */

:root {
  --navy: #0B1F3A;
  --navy-2: #14315B;
  --blue: #1D4ED8;
  --blue-600: #1A45B8;
  --cyan: #0EA5E9;
  --amber: #F59E0B;
  --ink: #16233A;
  --muted: #5B6B82;
  --line: #E2E8F0;
  --bg: #F7F9FC;
  --white: #FFFFFF;
  --grad-hero: linear-gradient(135deg, #0B1F3A 0%, #14315B 55%, #1D4ED8 100%);
  --grad-blue: linear-gradient(135deg, #1D4ED8 0%, #0EA5E9 100%);
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06), 0 2px 8px rgba(11, 31, 58, 0.05);
  --shadow-md: 0 4px 14px rgba(11, 31, 58, 0.08), 0 12px 32px rgba(11, 31, 58, 0.07);
  --shadow-lg: 0 8px 24px rgba(11, 31, 58, 0.10), 0 24px 56px rgba(11, 31, 58, 0.12);
  --radius: 14px;
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 15px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar .tb-tag { display: inline-flex; align-items: center; gap: 8px; }
.topbar .tb-tag::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 8px var(--amber);
}
.topbar .tb-phone { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.85); }
.topbar .tb-phone strong { color: #fff; font-weight: 600; letter-spacing: 0.5px; }
.topbar svg { width: 14px; height: 14px; }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; }
.brand-logo { display: block; height: 56px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  position: relative; padding: 10px 16px; font-size: 15px; color: var(--ink);
  border-radius: 8px; transition: color 0.2s ease; font-weight: 500;
}
.main-nav a:hover { color: var(--blue); }
.main-nav a.active { color: var(--blue); font-weight: 600; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 3px; border-radius: 2px; background: var(--grad-blue);
}
.main-nav a.nav-cta {
  background: var(--grad-blue); color: #fff; font-weight: 600;
  padding: 10px 22px; margin-left: 10px; box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}
.main-nav a.nav-cta:hover { color: #fff; filter: brightness(1.08); transform: translateY(-1px); }
.main-nav a.nav-cta::after { display: none; }

.header-auth { display: flex; align-items: center; gap: 12px; }
.user-chip {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 6px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font-size: 14px; color: var(--ink); transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.user-chip:hover { border-color: var(--blue); box-shadow: 0 2px 10px rgba(29,78,216,.12); }
.user-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--grad-blue);
  color: #fff; font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 20px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 500;
  color: var(--ink); transition: all 0.2s ease;
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: 0.25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--grad-hero);
  color: #fff;
  padding: 96px 0 110px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; right: -180px; top: -180px; width: 560px; height: 560px;
  border-radius: 50%; background: radial-gradient(circle, rgba(14,165,233,0.35) 0%, transparent 65%);
  filter: blur(30px);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; letter-spacing: 3px; color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.28); border-radius: 999px;
  padding: 7px 18px; margin-bottom: 28px; backdrop-filter: blur(4px);
}
.hero-eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.hero h1 {
  font-size: 54px; line-height: 1.18; font-weight: 700; letter-spacing: 2px; margin-bottom: 26px;
}
.hero h1 .hl {
  background: linear-gradient(120deg, #7DD3FC 0%, #38BDF8 45%, #F59E0B 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17px; line-height: 1.9; color: rgba(255,255,255,0.82); max-width: 560px; margin-bottom: 40px; }
.hero-sub strong { color: #fff; font-weight: 600; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 600;
  transition: all 0.25s ease; letter-spacing: 1px;
}
.btn-primary { background: var(--grad-blue); color: #fff; box-shadow: 0 8px 24px rgba(29,78,216,0.45); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(29,78,216,0.55); filter: brightness(1.06); }
.btn-outline { border: 1.5px solid rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-white { background: #fff; color: var(--blue); box-shadow: var(--shadow-md); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn svg { width: 17px; height: 17px; }

/* Hero 视觉：浏览器框 + 悬浮数据卡 */
.hero-visual { position: relative; }
.browser-frame {
  border-radius: 16px; overflow: hidden; background: #0d2440;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.09);
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.browser-frame:hover { transform: perspective(1400px) rotateY(-2deg) rotateX(0deg); }
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: rgba(255,255,255,0.06); }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; }
.browser-bar i:nth-child(1) { background: #FF5F57; }
.browser-bar i:nth-child(2) { background: #FEBC2E; }
.browser-bar i:nth-child(3) { background: #28C840; }
.browser-bar span { margin-left: 10px; font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 1px; }
.browser-frame img { width: 100%; height: 300px; object-fit: cover; object-position: top; }
.float-chip {
  position: absolute; background: rgba(255,255,255,0.97); color: var(--ink);
  border-radius: 12px; padding: 12px 18px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px; animation: floaty 5s ease-in-out infinite;
}
.float-chip .fc-num { font-size: 22px; font-weight: 700; color: var(--blue); letter-spacing: 0.5px; }
.float-chip .fc-label { font-size: 12px; color: var(--muted); line-height: 1.4; }
.float-chip.fc-1 { left: -36px; top: 34px; animation-delay: 0s; }
.float-chip.fc-2 { right: -20px; bottom: 44px; animation-delay: 2.2s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- 数据带 ---------- */
.stats-band { background: var(--white); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 44px 20px; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: 0; top: 28%; bottom: 28%; width: 1px; background: var(--line);
}
.stat-num { font-size: 42px; font-weight: 700; color: var(--navy); letter-spacing: 1px; line-height: 1.1; }
.stat-num em { font-style: normal; color: var(--blue); }
.stat-num .plus { color: var(--amber); font-size: 30px; margin-left: 2px; }
.stat-label { font-size: 14px; color: var(--muted); margin-top: 8px; letter-spacing: 1px; }

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg); }
.section-head { max-width: 720px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  letter-spacing: 3px; color: var(--blue); text-transform: uppercase; margin-bottom: 14px;
}
.section-eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--grad-blue); }
.section-head.center .section-eyebrow::after { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--grad-blue); }
.section-title { font-size: 36px; font-weight: 700; color: var(--navy); letter-spacing: 1.5px; line-height: 1.3; }
.section-desc { font-size: 16px; color: var(--muted); margin-top: 16px; line-height: 1.9; }

/* ---------- 核心能力卡 ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cap-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 34px; transition: all 0.3s ease; position: relative; overflow: hidden;
}
.cap-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--grad-blue); transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.cap-card:hover::before { transform: scaleX(1); }
.cap-icon {
  width: 60px; height: 60px; border-radius: 16px; background: linear-gradient(135deg, rgba(29,78,216,0.10), rgba(14,165,233,0.10));
  display: flex; align-items: center; justify-content: center; margin-bottom: 24px;
}
.cap-icon svg { width: 30px; height: 30px; stroke: var(--blue); }
.cap-card h3 { font-size: 21px; color: var(--navy); margin-bottom: 6px; letter-spacing: 1px; }
.cap-card .cap-en { font-size: 12px; color: var(--cyan); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.cap-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; margin-bottom: 20px; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.cap-tags li {
  font-size: 12.5px; color: var(--blue); background: rgba(29,78,216,0.07);
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.5px;
}

/* ---------- 产品矩阵 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  padding: 32px 30px; display: flex; flex-direction: column; gap: 14px;
  transition: all 0.3s ease;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.prod-head { display: flex; align-items: center; gap: 16px; }
.prod-badge {
  width: 52px; height: 52px; border-radius: 13px; flex: none;
  background: var(--grad-hero); color: #fff; font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; letter-spacing: 0.5px;
}
.prod-card h3 { font-size: 18.5px; color: var(--navy); letter-spacing: 0.5px; line-height: 1.4; }
.prod-card h3 small { display: block; font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: 1.5px; margin-top: 2px; }
.prod-card > p { font-size: 14px; color: var(--muted); line-height: 1.85; flex: 1; }
.prod-metrics { display: flex; gap: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.prod-metrics div { font-size: 12px; color: var(--muted); }
.prod-metrics strong { display: block; font-size: 19px; color: var(--blue); font-weight: 700; letter-spacing: 0.5px; }

/* ---------- AI 视觉深色带 ---------- */
.ai-band { background: var(--grad-hero); color: #fff; position: relative; overflow: hidden; }
.ai-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 40%, #000 25%, transparent 75%);
}
.ai-band .container { position: relative; z-index: 2; }
.ai-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: center; }
.ai-band .section-title { color: #fff; }
.ai-band .section-desc { color: rgba(255,255,255,0.78); }
.ai-band .section-eyebrow { color: var(--amber); }
.ai-band .section-eyebrow::before, .ai-band .section-eyebrow::after { background: var(--amber); }
.ai-metrics { display: flex; gap: 36px; margin: 36px 0 40px; }
.ai-metrics .am-num { font-size: 38px; font-weight: 700; color: var(--amber); letter-spacing: 1px; }
.ai-metrics .am-label { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }
.ai-img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ai-img-grid figure {
  border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04); position: relative;
}
.ai-img-grid img { width: 100%; height: 148px; object-fit: cover; transition: transform 0.5s ease; }
.ai-img-grid figure:hover img { transform: scale(1.06); }
.ai-img-grid figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 12px 8px;
  font-size: 12px; color: #fff; letter-spacing: 1px;
  background: linear-gradient(transparent, rgba(4,14,28,0.85));
}

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden;
  transition: all 0.3s ease; display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.case-img { height: 210px; overflow: hidden; position: relative; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-tag {
  position: absolute; top: 16px; left: 16px; background: rgba(11,31,58,0.82); color: #fff;
  font-size: 12px; padding: 5px 14px; border-radius: 999px; letter-spacing: 1px; backdrop-filter: blur(4px);
}
.case-body { padding: 28px 30px 30px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 20px; color: var(--navy); margin-bottom: 6px; letter-spacing: 0.5px; }
.case-client { font-size: 13px; color: var(--cyan); letter-spacing: 1px; margin-bottom: 14px; }
.case-body p { font-size: 14px; color: var(--muted); line-height: 1.85; flex: 1; }
.case-metrics { display: flex; gap: 28px; margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); }
.case-metrics strong { font-size: 24px; color: var(--blue); font-weight: 700; }
.case-metrics span { font-size: 12px; color: var(--muted); display: block; margin-top: 2px; }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding: 20px 0 8px; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--cyan), var(--blue)); transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 48px 44px 0; }
.tl-item:nth-child(even) { margin-left: 50%; padding: 0 0 44px 48px; }
.tl-item::after {
  content: ""; position: absolute; right: -8px; top: 6px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 4px solid var(--blue); box-shadow: 0 0 0 5px rgba(29,78,216,0.12);
}
.tl-item:nth-child(even)::after { right: auto; left: -8px; }
.tl-year { font-size: 26px; font-weight: 700; color: var(--blue); letter-spacing: 1px; }
.tl-item h4 { font-size: 17px; color: var(--navy); margin: 6px 0 8px; letter-spacing: 0.5px; }
.tl-item p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- CTA 带 ---------- */
.cta-band { background: var(--grad-blue); color: #fff; text-align: center; padding: 84px 0; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px);
  background-size: 26px 26px;
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: 34px; font-weight: 700; letter-spacing: 2px; margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.72); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 48px; padding: 72px 0 56px; }
.footer-brand .brand-logo { height: 64px; }
.footer-desc { font-size: 13.5px; line-height: 1.9; margin: 20px 0; color: rgba(255,255,255,0.6); }
.footer-credit { font-size: 12.5px; color: rgba(255,255,255,0.45); display: flex; align-items: center; gap: 8px; }
.footer-col h4 { font-size: 15px; color: #fff; letter-spacing: 1.5px; margin-bottom: 22px; font-weight: 600; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255,255,255,0.62); transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col ul li a:hover { color: #fff; padding-left: 5px; }
.footer-contact li { display: flex; gap: 12px; font-size: 13.5px; margin-bottom: 14px; line-height: 1.7; }
.footer-contact svg { width: 16px; height: 16px; stroke: var(--cyan); flex: none; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12.5px; color: rgba(255,255,255,0.45); }

/* ---------- 页头 Hero（子页面） ---------- */
.page-hero { background: var(--grad-hero); color: #fff; padding: 72px 0 80px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 35%, #000 30%, transparent 78%);
}
.page-hero .container { position: relative; z-index: 2; }
.crumb { font-size: 13px; color: rgba(255,255,255,0.6); letter-spacing: 1px; margin-bottom: 18px; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; color: rgba(255,255,255,0.35); }
.page-hero h1 { font-size: 40px; font-weight: 700; letter-spacing: 3px; }
.page-hero .ph-sub { margin-top: 14px; font-size: 16px; color: rgba(255,255,255,0.78); max-width: 720px; line-height: 1.9; }

/* ---------- 关于我们 ---------- */
.profile-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.profile-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px 26px;
  transition: all 0.3s ease;
}
.fact-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
.fact-card .f-label { font-size: 12.5px; color: var(--muted); letter-spacing: 2px; margin-bottom: 8px; }
.fact-card .f-value { font-size: 21px; font-weight: 700; color: var(--navy); letter-spacing: 0.5px; }
.fact-card .f-value em { font-style: normal; color: var(--blue); }

.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.mvv-card {
  border-radius: var(--radius); padding: 42px 34px; color: #fff; position: relative; overflow: hidden;
  min-height: 240px; display: flex; flex-direction: column;
}
.mvv-card.m1 { background: linear-gradient(150deg, #0B1F3A, #14315B); }
.mvv-card.m2 { background: var(--grad-blue); }
.mvv-card.m3 { background: linear-gradient(150deg, #0c4a6e, #0EA5E9); }
.mvv-card::after {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px;
  border-radius: 50%; border: 26px solid rgba(255,255,255,0.08);
}
.mvv-card .m-en { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; opacity: 0.65; margin-bottom: 14px; }
.mvv-card h3 { font-size: 24px; letter-spacing: 2px; margin-bottom: 16px; }
.mvv-card p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.85); position: relative; z-index: 2; }

.synergy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.synergy-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 36px;
  transition: all 0.3s ease;
}
.synergy-card:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.synergy-card .sc-org { font-size: 12px; letter-spacing: 2.5px; color: var(--cyan); margin-bottom: 10px; }
.synergy-card h3 { font-size: 22px; color: var(--navy); margin-bottom: 14px; letter-spacing: 1px; }
.synergy-card p { font-size: 14px; color: var(--muted); line-height: 1.9; }
.synergy-arrow {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin-top: 36px; padding: 20px; border: 1.5px dashed rgba(29,78,216,0.35); border-radius: 14px;
  color: var(--blue); font-weight: 600; letter-spacing: 2px; font-size: 15px; background: rgba(29,78,216,0.04);
}
.synergy-arrow svg { width: 22px; height: 22px; stroke: var(--blue); }

.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.honor-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 32px; transition: all 0.3s ease; }
.honor-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.honor-card h3 {
  font-size: 18px; color: var(--navy); margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 2px solid var(--line); display: flex; align-items: center; gap: 10px; letter-spacing: 1px;
}
.honor-card h3 svg { width: 20px; height: 20px; stroke: var(--blue); }
.honor-card ul li { font-size: 14px; color: var(--muted); padding: 9px 0 9px 22px; position: relative; line-height: 1.7; }
.honor-card ul li::before {
  content: ""; position: absolute; left: 2px; top: 17px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--grad-blue);
}
.honor-card ul li b { color: var(--ink); font-weight: 600; }

/* ---------- 产品服务页 ---------- */
.biz-tabs { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 48px; }
.biz-tab {
  padding: 10px 24px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14.5px; color: var(--muted); font-weight: 500; transition: all 0.25s ease;
}
.biz-tab:hover { border-color: var(--blue); color: var(--blue); }
.biz-tab.active { background: var(--grad-blue); color: #fff; border-color: transparent; box-shadow: 0 4px 14px rgba(29,78,216,0.3); }

.svc-detail {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 44px 42px; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: center;
}
.svc-detail + .svc-detail { margin-top: 26px; }
.svc-detail:nth-child(even) .sd-visual { order: 2; }
.sd-visual { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--bg); }
.sd-visual img { width: 100%; height: 260px; object-fit: cover; }
.sd-visual .sdv-cap { padding: 10px 16px; font-size: 12px; color: var(--muted); background: #fff; border-top: 1px solid var(--line); letter-spacing: 0.5px; }
.sd-body h3 { font-size: 24px; color: var(--navy); letter-spacing: 1px; margin-bottom: 6px; }
.sd-body .sd-en { font-size: 12px; color: var(--cyan); letter-spacing: 2px; margin-bottom: 18px; text-transform: uppercase; }
.sd-body > p { font-size: 14.5px; color: var(--muted); line-height: 1.9; margin-bottom: 22px; }
.sd-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.sd-features li { font-size: 13.5px; color: var(--ink); display: flex; align-items: flex-start; gap: 9px; line-height: 1.6; }
.sd-features li::before {
  content: ""; flex: none; width: 16px; height: 16px; margin-top: 3px; border-radius: 50%;
  background: rgba(29,78,216,0.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D4ED8' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/9px no-repeat;
}
.sd-metrics { display: flex; gap: 26px; margin-top: 24px; }
.sd-metrics strong { font-size: 22px; color: var(--blue); font-weight: 700; }
.sd-metrics span { display: block; font-size: 12px; color: var(--muted); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start; }
.contact-info-card {
  background: var(--grad-hero); color: #fff; border-radius: var(--radius); padding: 44px 40px;
  position: relative; overflow: hidden;
}
.contact-info-card::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px); background-size: 22px 22px;
}
.contact-info-card > * { position: relative; z-index: 2; }
.contact-info-card h3 { font-size: 22px; letter-spacing: 2px; margin-bottom: 8px; }
.contact-info-card .ci-sub { font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 34px; }
.ci-item { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.12); }
.ci-item:first-of-type { border-top: none; }
.ci-icon {
  width: 42px; height: 42px; flex: none; border-radius: 11px;
  background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
}
.ci-icon svg { width: 19px; height: 19px; stroke: var(--cyan); }
.ci-item .ci-label { font-size: 12px; color: rgba(255,255,255,0.55); letter-spacing: 2px; margin-bottom: 4px; }
.ci-item .ci-value { font-size: 15px; color: #fff; line-height: 1.7; font-weight: 500; }
.ci-item .ci-value small { display: block; font-size: 12.5px; color: rgba(255,255,255,0.55); font-weight: 400; margin-top: 2px; }

.contact-form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 44px 42px;
  box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { font-size: 22px; color: var(--navy); letter-spacing: 1.5px; margin-bottom: 6px; }
.contact-form-card .cf-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; color: var(--ink); font-weight: 500; margin-bottom: 8px; letter-spacing: 0.5px; }
.form-group label .req { color: #EF4444; margin-left: 2px; }
.form-control {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 14.5px; color: var(--ink); background: #fff; transition: all 0.2s ease; outline: none;
}
.form-control:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(29,78,216,0.1); }
.form-control.error { border-color: #EF4444; box-shadow: 0 0 0 4px rgba(239,68,68,0.08); }
.form-control::placeholder { color: #A7B4C6; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6B82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 15px; padding-right: 40px; cursor: pointer; }
.field-error { font-size: 12.5px; color: #EF4444; margin-top: 6px; display: none; }
.field-error.show { display: block; }
.form-success {
  display: none; background: #ECFDF5; border: 1px solid #A7F3D0; color: #065F46;
  border-radius: 10px; padding: 14px 18px; font-size: 14px; margin-bottom: 20px;
}
.form-success.show { display: block; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 16px; line-height: 1.7; }

/* ---------- 工作台 ---------- */
.wb-page { background: var(--bg); min-height: calc(100vh - 72px); }
.wb-auth-wrap {
  min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center;
  padding: 72px 32px; position: relative; overflow: hidden;
}
.wb-auth-wrap::before {
  content: ""; position: absolute; inset: 0; background: var(--grad-hero);
  mask-image: linear-gradient(#000 70%, transparent);
}
.wb-auth-wrap::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 30%, #000 20%, transparent 70%);
}
.wb-auth-card {
  position: relative; z-index: 2; width: 100%; max-width: 440px;
  background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); padding: 44px 44px 38px;
}
.wb-auth-head { text-align: center; margin-bottom: 30px; }
.wb-auth-head .wa-mark {
  width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 16px;
  background: var(--grad-hero); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(11,31,58,0.3);
}
.wb-auth-head .wa-mark svg { width: 30px; height: 30px; }
.wb-auth-head h2 { font-size: 23px; color: var(--navy); letter-spacing: 2px; }
.wb-auth-head p { font-size: 13px; color: var(--muted); margin-top: 8px; letter-spacing: 0.5px; }
.wb-tabs { display: flex; background: var(--bg); border-radius: 10px; padding: 4px; margin-bottom: 26px; }
.wb-tabs button {
  flex: 1; padding: 10px; border-radius: 8px; font-size: 14.5px; font-weight: 600;
  color: var(--muted); transition: all 0.25s ease;
}
.wb-tabs button.active { background: #fff; color: var(--blue); box-shadow: var(--shadow-sm); }
.wb-alert {
  display: none; font-size: 13.5px; border-radius: 10px; padding: 11px 15px; margin-bottom: 18px; line-height: 1.6;
}
.wb-alert.show { display: block; }
.wb-alert.error { background: #FEF2F2; border: 1px solid #FECACA; color: #B91C1C; }
.wb-alert.ok { background: #ECFDF5; border: 1px solid #A7F3D0; color: #065F46; }
.wb-auth-card .form-group { margin-bottom: 16px; }
.wb-submit { width: 100%; padding: 13px; font-size: 15.5px; margin-top: 6px; }
.wb-demo-note {
  margin-top: 22px; padding: 13px 15px; border-radius: 10px; background: #FFFBEB;
  border: 1px dashed #FCD34D; font-size: 12.5px; color: #92400E; line-height: 1.7;
}

/* 工作台仪表盘 */
.wb-dash { padding: 44px 0 80px; }
.wb-dash-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.wb-dash-head .wd-title { font-size: 26px; color: var(--navy); letter-spacing: 1.5px; font-weight: 700; }
.wb-dash-head .wd-title small { display: block; font-size: 13px; color: var(--muted); font-weight: 400; letter-spacing: 0.5px; margin-top: 4px; }
.wb-user-box { display: flex; align-items: center; gap: 12px; }
.wb-user-box .user-avatar { width: 40px; height: 40px; font-size: 15px; }
.wb-user-box .wu-name { font-size: 14.5px; font-weight: 600; color: var(--navy); line-height: 1.4; }
.wb-user-box .wu-mail { font-size: 12.5px; color: var(--muted); }
.btn-logout {
  padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px; font-size: 13.5px;
  color: var(--muted); transition: all 0.2s ease; background: #fff;
}
.btn-logout:hover { color: #B91C1C; border-color: #FCA5A5; background: #FEF2F2; }

.wb-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.wb-stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px;
  display: flex; align-items: center; gap: 18px; transition: all 0.3s ease;
}
.wb-stat:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.wb-stat .ws-icon {
  width: 50px; height: 50px; flex: none; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
}
.wb-stat .ws-icon svg { width: 24px; height: 24px; }
.wb-stat .ws-icon.i-blue { background: rgba(29,78,216,0.1); }
.wb-stat .ws-icon.i-blue svg { stroke: var(--blue); }
.wb-stat .ws-icon.i-amber { background: rgba(245,158,11,0.12); }
.wb-stat .ws-icon.i-amber svg { stroke: #D97706; }
.wb-stat .ws-icon.i-cyan { background: rgba(14,165,233,0.12); }
.wb-stat .ws-icon.i-cyan svg { stroke: #0284C7; }
.wb-stat .ws-icon.i-green { background: rgba(16,185,129,0.12); }
.wb-stat .ws-icon.i-green svg { stroke: #059669; }
.wb-stat .ws-num { font-size: 27px; font-weight: 700; color: var(--navy); line-height: 1.2; }
.wb-stat .ws-label { font-size: 12.5px; color: var(--muted); margin-top: 3px; letter-spacing: 0.5px; }

.wb-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.wb-panel + .wb-panel { margin-top: 26px; }
.wb-panel-head {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 20px 26px; border-bottom: 1px solid var(--line); background: #FCFDFF;
}
.wb-panel-head h3 { font-size: 17px; color: var(--navy); letter-spacing: 1px; display: flex; align-items: center; gap: 9px; }
.wb-panel-head h3 svg { width: 18px; height: 18px; stroke: var(--blue); }
.wb-panel-body { padding: 24px 26px; }

.wb-empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.wb-empty svg { width: 44px; height: 44px; stroke: #C3CEDD; margin-bottom: 14px; }
.wb-empty p { font-size: 14px; }

.wb-table-wrap { overflow-x: auto; }
.wb-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.wb-table th {
  text-align: left; padding: 12px 14px; font-size: 12.5px; color: var(--muted); font-weight: 600;
  letter-spacing: 1px; border-bottom: 1.5px solid var(--line); white-space: nowrap; background: #F8FAFD;
}
.wb-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); color: var(--ink); vertical-align: middle; }
.wb-table tr:last-child td { border-bottom: none; }
.wb-table tr:hover td { background: #F8FAFD; }
.wb-table .t-title { font-weight: 600; color: var(--navy); }
.wb-table .t-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.wb-table .t-clip { max-width: 260px; }
.t-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; padding: 3px 12px; border-radius: 999px; font-weight: 500; }
.t-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.t-status.st-pending { background: #FFFBEB; color: #B45309; }
.t-status.st-pending::before { background: var(--amber); }
.t-status.st-done { background: #ECFDF5; color: #065F46; }
.t-status.st-done::before { background: #10B981; }
.t-actions { display: flex; gap: 8px; }
.t-btn {
  font-size: 12.5px; padding: 5px 13px; border-radius: 7px; border: 1px solid var(--line);
  color: var(--muted); transition: all 0.2s ease; background: #fff; white-space: nowrap;
}
.t-btn:hover { border-color: var(--blue); color: var(--blue); }
.t-btn.danger:hover { border-color: #FCA5A5; color: #B91C1C; background: #FEF2F2; }

/* 文件管理 */
.upload-zone {
  border: 2px dashed rgba(29,78,216,0.35); border-radius: 14px; padding: 44px 24px;
  text-align: center; background: rgba(29,78,216,0.03); cursor: pointer; transition: all 0.25s ease;
  margin-bottom: 24px;
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--blue); background: rgba(29,78,216,0.07); }
.upload-zone svg { width: 42px; height: 42px; stroke: var(--blue); margin-bottom: 12px; }
.upload-zone .uz-title { font-size: 15.5px; color: var(--navy); font-weight: 600; margin-bottom: 6px; }
.upload-zone .uz-hint { font-size: 12.5px; color: var(--muted); }
.upload-progress { display: none; margin-bottom: 18px; }
.upload-progress.show { display: block; }
.upload-progress .up-bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.upload-progress .up-bar i { display: block; height: 100%; width: 0; background: var(--grad-blue); border-radius: 99px; transition: width 0.2s ease; }
.upload-progress .up-text { font-size: 12.5px; color: var(--muted); margin-top: 8px; }

.file-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.file-card {
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff;
  transition: all 0.25s ease; display: flex; flex-direction: column;
}
.file-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
.file-thumb { height: 110px; background: var(--bg); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-thumb svg { width: 34px; height: 34px; stroke: #9AA8BC; }
.file-info { padding: 12px 14px; flex: 1; display: flex; flex-direction: column; }
.file-name { font-size: 13px; color: var(--navy); font-weight: 600; line-height: 1.45; word-break: break-all; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.file-meta { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.file-ops { display: flex; gap: 6px; padding: 0 14px 12px; }
.file-ops button {
  flex: 1; font-size: 12px; padding: 6px; border-radius: 7px; border: 1px solid var(--line);
  color: var(--muted); transition: all 0.2s ease;
}
.file-ops button:hover { border-color: var(--blue); color: var(--blue); }
.file-ops button.del:hover { border-color: #FCA5A5; color: #B91C1C; background: #FEF2F2; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 10px; background: #fff; border-radius: 12px;
  padding: 13px 22px; box-shadow: var(--shadow-lg); font-size: 14px; color: var(--ink);
  border-left: 4px solid var(--blue); animation: toast-in 0.3s ease; max-width: 480px;
}
.toast.ok { border-left-color: #10B981; }
.toast.err { border-left-color: #EF4444; }
.toast svg { width: 17px; height: 17px; flex: none; }
.toast.ok svg { stroke: #059669; }
.toast.err svg { stroke: #DC2626; }
.toast.info svg { stroke: var(--blue); }
@keyframes toast-in { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
.toast.hide { opacity: 0; transform: translateY(-14px); transition: all 0.3s ease; }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.1s; }
.reveal.d2 { transition-delay: 0.2s; }
.reveal.d3 { transition-delay: 0.3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 620px; }
  .float-chip.fc-1 { left: 0; }
  .float-chip.fc-2 { right: 0; }
  .ai-grid, .profile-grid, .contact-grid, .svc-detail { grid-template-columns: 1fr; }
  .svc-detail:nth-child(even) .sd-visual { order: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 860px) {
  .main-nav, .header-auth .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 16px 24px 24px;
    box-shadow: var(--shadow-md); align-items: stretch;
  }
  .main-nav.open a { padding: 14px 12px; }
  .main-nav.open a.nav-cta { margin-left: 0; text-align: center; }
  .cap-grid, .prod-grid, .mvv-grid, .honor-grid, .case-grid, .synergy-grid, .stats-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item + .stat-item::before { display: none; }
  .stat-item { padding: 30px 14px; }
  .wb-stats { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 10px; }
  .tl-item, .tl-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 36px 40px; }
  .tl-item::after, .tl-item:nth-child(even)::after { left: 2px; right: auto; }
  .form-row { grid-template-columns: 1fr; }
  .sd-features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .container { padding: 0 22px; }
  .brand-logo, .footer-brand .brand-logo { height: 40px; }
  .ai-metrics { gap: 22px; flex-wrap: wrap; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 52px 0 40px; }
  .topbar .tb-tag { display: none; }
  .page-hero h1 { font-size: 30px; }
}

/* ============================================================
   补充内容组件 · 源自《车合互联官网设计概要》的信息增量
   仅新增组件，不改动既有视觉体系与主题配色
   ============================================================ */

/* 数据口径脚注 */
.stats-note { max-width: 1000px; margin: 0 auto; padding: 0 22px 28px; text-align: center;
  font-size: 12.5px; line-height: 1.85; color: var(--muted); }
.stats-note b { color: var(--navy); font-weight: 600; }

/* 可查证事实链 · 来源脚注 */
.source-note { margin-top: 36px; padding: 20px 24px; background: #fff;
  border: 1px solid var(--line); border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px; line-height: 1.9; color: var(--muted); }
.source-note strong { color: var(--navy); }
.source-note a { color: var(--blue); text-decoration: none; border-bottom: 1px dashed var(--blue); }
.source-note a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.source-note .sn-list { margin-top: 6px; }
.source-note .sn-list span { display: inline-block; margin-right: 16px; }
.source-note .sn-quote { margin-top: 10px; color: var(--navy); font-weight: 600; }

/* 平台 → 业务域 → 核心服务 分层面板 */
.layer-panel { margin-top: 44px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 32px; box-shadow: var(--shadow-sm); }
.layer-row { display: flex; align-items: flex-start; gap: 22px; padding: 22px 0; }
.layer-row + .layer-row { border-top: 1px solid var(--line); }
.layer-label { flex: none; width: 152px; }
.layer-label b { display: block; font-size: 15px; color: var(--navy); letter-spacing: .5px; }
.layer-label span { display: block; margin-top: 4px; font-size: 10.5px; color: var(--muted);
  letter-spacing: 1.2px; text-transform: uppercase; }
.layer-tags { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.layer-tags span { display: inline-block; padding: 6px 13px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--line); font-size: 13px; color: var(--ink); }
.layer-tags span.hl { background: rgba(29,78,216,.08); border-color: rgba(29,78,216,.28);
  color: var(--blue); font-weight: 600; }
.layer-note { margin-top: 18px; font-size: 13px; color: var(--muted); line-height: 1.85; }

/* 案例 · 客户现场问题 */
.case-challenge { margin: 12px 0 14px; padding: 12px 16px; background: rgba(245,158,11,.07);
  border-left: 3px solid var(--amber); border-radius: 0 8px 8px 0;
  font-size: 13px; line-height: 1.8; color: var(--muted); }
.case-challenge b { color: var(--navy); margin-right: 8px; font-weight: 600; }
.case-note { margin-top: 24px; text-align: center; font-size: 12.5px; color: var(--muted); line-height: 1.85; }

/* 四类合作入口 */
.entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 44px; }
.entry-card { display: block; padding: 24px 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); text-decoration: none; transition: all .25s ease; }
.entry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.entry-card.primary { background: var(--grad-blue); border-color: transparent; }
.entry-card .en { font-size: 11px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--blue); }
.entry-card.primary .en { color: rgba(255,255,255,.78); }
.entry-card h4 { font-size: 17px; color: var(--navy); margin: 8px 0 6px; }
.entry-card.primary h4 { color: #fff; }
.entry-card p { font-size: 13px; color: var(--muted); line-height: 1.75; }
.entry-card.primary p { color: rgba(255,255,255,.88); }

/* 隐私说明卡片 */
.privacy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.privacy-grid .honor-card { padding: 28px 30px; }
.privacy-grid .honor-card h3 { font-size: 16px; margin-bottom: 12px; padding-bottom: 12px; }
.privacy-grid .honor-card p { font-size: 14px; color: var(--muted); line-height: 1.9; }

/* 页脚合规链接 / 锚点偏移 / 表单内链接 */
.footer-bottom a { color: rgba(255,255,255,.72); text-decoration: none; }
.footer-bottom a:hover { color: #fff; text-decoration: underline; }
.fb-sep { margin: 0 6px; opacity: .5; }
.ci-value a { color: var(--blue); text-decoration: none; }
.ci-value a:hover { text-decoration: underline; }
#contactForm, #privacy, #foundation { scroll-margin-top: 92px; }

@media (max-width: 860px) {
  .layer-panel { padding: 4px 20px; }
  .layer-row { flex-direction: column; gap: 12px; }
  .layer-label { width: auto; }
  .entry-grid, .privacy-grid { grid-template-columns: 1fr 1fr; }
  .source-note .sn-list span { display: block; margin-right: 0; }
}
@media (max-width: 520px) {
  .entry-grid, .privacy-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   硬件产品组件 · 鹰眼「1 平台 + N 终端」
   仅新增组件，不改动既有视觉体系与主题配色
   ============================================================ */

/* 平台 → 终端 架构条 */
.hw-arch { display: grid; grid-template-columns: 1fr 40px 1fr; align-items: stretch; gap: 10px; margin-bottom: 44px; }
.hw-arch-row { display: flex; align-items: center; gap: 18px; padding: 20px 24px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.hw-arch-badge { flex: none; width: 46px; height: 46px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; background: var(--grad-blue); color: #fff;
  font-size: 22px; font-weight: 700; }
.hw-arch-body b { display: block; font-size: 16px; color: var(--navy); letter-spacing: .4px; }
.hw-arch-body span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.hw-arch-arrow { display: flex; align-items: center; justify-content: center; color: var(--blue); font-size: 22px; font-weight: 700; }

/* 首页终端卡 */
.hw-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.hw-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: all .28s ease; }
.hw-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.hw-card-img { height: 188px; background: var(--bg); display: flex; align-items: center;
  justify-content: center; padding: 14px; border-bottom: 1px solid var(--line); }
.hw-card-img img { max-height: 100%; max-width: 100%; width: auto; object-fit: contain; }
.hw-card-body { padding: 20px 18px 22px; flex: 1; display: flex; flex-direction: column; }
.hw-num { font-size: 11px; font-weight: 700; letter-spacing: 1.6px; color: var(--blue); }
.hw-card h3 { font-size: 17px; color: var(--navy); margin: 8px 0 2px; line-height: 1.4; }
.hw-card .hw-en { font-size: 10.5px; letter-spacing: 1px; color: var(--muted); text-transform: uppercase; }
.hw-card p { font-size: 13px; color: var(--muted); line-height: 1.8; margin-top: 12px; flex: 1; }
.hw-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.hw-tags span { font-size: 11.5px; padding: 3px 9px; border-radius: 20px;
  background: var(--bg); border: 1px solid var(--line); color: var(--muted); }

/* 服务页终端详情卡 */
.hw-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.hw-detail-card { display: grid; grid-template-columns: 168px 1fr; gap: 20px; padding: 22px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.hw-detail-img { background: var(--bg); border-radius: 10px; display: flex; align-items: center;
  justify-content: center; padding: 12px; min-height: 210px; }
.hw-detail-img img { max-height: 210px; max-width: 100%; width: auto; object-fit: contain; }
.hw-detail-body h3 { font-size: 18px; color: var(--navy); margin: 4px 0 6px; }
.hw-detail-body .hw-num { display: block; }
.hw-detail-body > p { font-size: 13px; color: var(--muted); line-height: 1.8; margin: 8px 0 12px; }
.hw-spec { list-style: none; display: grid; gap: 6px; }
.hw-spec li { position: relative; padding-left: 15px; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.hw-spec li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--cyan); }
.hw-scene { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--navy); }
.hw-scene b { color: var(--blue); font-weight: 600; margin-right: 6px; }

/* 硬件能力延伸 */
.hw-ext { margin-top: 56px; }
.hw-ext > h3 { font-size: 22px; color: var(--navy); margin-bottom: 8px; }
.hw-ext > p { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.hw-ext-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.hw-ext-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; border-top: 3px solid var(--blue); }
.hw-ext-card .hw-ext-no { font-size: 11px; letter-spacing: 1.6px; color: var(--blue); font-weight: 700; }
.hw-ext-card h4 { font-size: 17px; color: var(--navy); margin: 8px 0 12px; }
.hw-ext-card ul { list-style: none; display: grid; gap: 8px; }
.hw-ext-card li { position: relative; padding-left: 15px; font-size: 13px; color: var(--muted); line-height: 1.75; }
.hw-ext-card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--cyan); }

/* 硬件成效条与说明 */
.hw-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.hw-metric { text-align: center; padding: 22px 12px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); }
.hw-metric b { display: block; font-size: 26px; color: var(--blue); line-height: 1.3; }
.hw-metric span { font-size: 12.5px; color: var(--muted); }
.hw-note { margin-top: 26px; text-align: center; font-size: 12.5px; color: var(--muted); line-height: 1.85; }
.hw-cta { margin-top: 30px; text-align: center; }
.hw-inline-link { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--blue);
  text-decoration: none; border-bottom: 1px dashed var(--blue); }
.hw-inline-link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
#hardware { scroll-margin-top: 92px; }

@media (max-width: 1080px) {
  .hw-grid { grid-template-columns: repeat(3, 1fr); }
  .hw-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .hw-arch { grid-template-columns: 1fr; gap: 8px; }
  .hw-arch-arrow { transform: rotate(90deg); height: 26px; }
  .hw-grid { grid-template-columns: repeat(2, 1fr); }
  .hw-ext-grid { grid-template-columns: 1fr; }
  .hw-metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .hw-grid { grid-template-columns: 1fr; }
  .hw-card-img { height: 220px; }
  .hw-detail-card { grid-template-columns: 1fr; }
  .hw-detail-img { min-height: 190px; }
}

/* ============================================================
   产品族 / 型号对照 / 终端 KPI（2026-11 产品口径更新）
   ============================================================ */
.pf-head { margin: 0 0 24px; }
.pf-head.pf-subhead { margin-top: 60px; }
.pf-head .section-eyebrow { margin-bottom: 10px; }
.pf-head h3 { font-size: 25px; font-weight: 700; color: var(--navy); letter-spacing: .6px; line-height: 1.4; }
.pf-head p { margin-top: 10px; font-size: 14px; color: var(--muted); line-height: 1.9; max-width: 880px; }

.pf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pf-card { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--blue);
  border-radius: var(--radius); padding: 26px 24px; display: flex; flex-direction: column;
  transition: transform .28s ease, box-shadow .28s ease; }
.pf-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.pf-no { font-size: 11px; font-weight: 700; letter-spacing: 1.8px; color: var(--blue); }
.pf-card h3 { font-size: 21px; color: var(--navy); margin: 10px 0 12px; letter-spacing: .5px; }
.pf-card h3 small { font-size: 11.5px; letter-spacing: 2px; color: var(--cyan);
  font-weight: 600; margin-left: 6px; text-transform: uppercase; }
.pf-card > p { font-size: 13px; color: var(--muted); line-height: 1.85; flex: 1; }
.pf-models { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 14px; }
.pf-models span { font-size: 11.5px; padding: 4px 10px; border-radius: 6px;
  background: #EEF4FF; border: 1px solid #DCE8FF; color: var(--blue); }
.pf-mode { font-size: 12.5px; color: var(--muted); padding-top: 12px; border-top: 1px dashed var(--line); }

.hw-kpi { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.hw-kpi span { font-size: 11.5px; font-weight: 600; padding: 3px 9px;
  border-radius: 20px; background: #EEF4FF; color: var(--blue); }

.pf-table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); -webkit-overflow-scrolling: touch; }
.pf-table { width: 100%; min-width: 860px; border-collapse: collapse; font-size: 13px; }
.pf-table th { background: #F0F5FF; color: var(--navy); font-weight: 600; text-align: left;
  padding: 13px 16px; white-space: nowrap; border-bottom: 1px solid var(--line); }
.pf-table td { padding: 12px 16px; color: var(--muted); line-height: 1.65;
  border-bottom: 1px solid var(--line); }
.pf-table tbody tr:last-child td { border-bottom: none; }
.pf-table td b { color: var(--blue); font-weight: 700; letter-spacing: .3px; }
.pf-table .pf-group td { background: var(--bg); color: var(--navy); font-weight: 600;
  letter-spacing: .4px; padding-top: 10px; padding-bottom: 10px; }
.pf-table tbody tr:hover:not(.pf-group) td { background: #FAFCFF; }

.pf-tech { margin-top: 56px; }
.pf-tech > h3 { font-size: 22px; color: var(--navy); margin-bottom: 8px; }
.pf-tech > p { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.pf-tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pf-tech-grid > div { background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 18px; }
.pf-tech-grid b { display: block; font-size: 14.5px; color: var(--blue); margin-bottom: 8px; }
.pf-tech-grid span { font-size: 12.5px; color: var(--muted); line-height: 1.75; }

@media (max-width: 1080px) {
  .pf-tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .pf-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .pf-tech-grid { grid-template-columns: 1fr; }
  .pf-head h3 { font-size: 21px; }
  .pf-head.pf-subhead { margin-top: 44px; }
  .pf-table-wrap { max-width: 100%; }
  .hw-metrics { grid-template-columns: 1fr; }
  .hw-metric b { font-size: 22px; }
  .hw-ext-card li, .pf-card > p, .hw-spec li { overflow-wrap: anywhere; }
}