/* ============================================================
   黑龙江正普科技有限公司 · 企业官网全局样式
   配色：蓝青科技 + 深海蓝 + 明亮白
   ============================================================ */

:root {
  /* 主色：浅蓝 + 白 科技风 */
  --navy-900: #0F1E3D;
  --navy-800: #1E3A5C;
  --navy-700: #334155;
  --navy-600: #475569;
  --blue-500: #3B82F6;
  --blue-400: #38BDF8;
  --blue-100: #EFF6FF;

  /* 中性 */
  --ink: #0F1E3D;
  --text: #334155;
  --muted: #64748B;
  --line: #E4ECF8;
  --line-soft: #EAF2FE;
  --bg: #F6FAFF;
  --bg-soft: #EFF6FF;
  --white: #ffffff;

  /* 功能 */
  --accent: #3B82F6;
  --err: #e55a4b;

  /* 尺寸 */
  --container: 1180px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(15, 30, 61, .06);
  --shadow-md: 0 8px 24px rgba(15, 30, 61, .08);
  --shadow-lg: 0 18px 48px rgba(15, 30, 61, .12);

  --header-h: 80px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 键盘可访问性 ---------- */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  z-index: 1200;
  padding: 12px 22px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

/* 键盘聚焦统一可见轮廓（仅键盘操作触发，不影响鼠标点击） */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

a {
  color: var(--blue-500);
  text-decoration: none;
  transition: color .22s var(--ease);
}
a:hover { color: var(--navy-700); }

button { font-family: inherit; cursor: pointer; }

::selection { background: var(--navy-800); color: #fff; }

/* ---------- 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 104px 0; }
.section--tight { padding: 76px 0; }
.section--soft { background: var(--bg); }
.section--navy { background: var(--bg-soft); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ---------- 通用文字块 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--blue-500);
}

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }

.section-title {
  font-size: clamp(26px, 3.2vw, 38px);
  letter-spacing: -.02em;
}

.section-desc {
  margin-top: 18px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.85;
}

.section--navy .section-title,
.section--navy h3 { color: var(--ink); }
.section--navy .section-desc { color: var(--muted); }
.section--navy .eyebrow { color: var(--blue-500); }
.section--navy .eyebrow::before { background: var(--blue-500); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all .24s var(--ease);
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: var(--navy-800);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--navy-900);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}


.btn-ghost-light {
  background: var(--bg-soft);
  color: var(--navy-800);
  border-color: var(--line);
}
.btn-ghost-light:hover {
  background: rgba(59, 130, 246, .06);
  border-color: var(--blue-500);
  color: var(--blue-500);
}

.btn-light {
  background: #fff;
  color: var(--navy-900);
}
.btn-light:hover {
  background: var(--blue-100);
  color: var(--navy-900);
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 34px; font-size: 16px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-700);
}
.link-arrow svg { width: 15px; height: 15px; transition: transform .24s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 顶栏 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 900;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 16px rgba(12, 25, 41, .07);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark-svg { height: 52px; width: auto; flex-shrink: 0; display: block; }
.footer-brand .brand-mark-svg { height: 64px; padding: 0; background: transparent; }
.brand-lockup { height: 40px; width: auto; flex-shrink: 0; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--navy-900);
  letter-spacing: .04em;
  font-family: "WeChat YaHei", "微信雅黑", "Microsoft YaHei", "PingFang SC",
    "Hiragino Sans GB", sans-serif;
}
.brand-sub {
  margin-top: 3px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--navy-600);
  letter-spacing: .26em;
  text-transform: uppercase;
  font-family: "WeChat YaHei", "微信雅黑", "Helvetica Neue", Arial,
    "PingFang SC", sans-serif;
}


.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
}
.nav a:hover { color: var(--navy-900); background: var(--bg-soft); }
.nav a.is-active { color: var(--navy-900); font-weight: 600; }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-500);
}


/* 千方百剂卖点小卡 */
.mini-card{padding:18px;border-radius:12px;background:#fff;border:1px solid #e3e9f0;transition:.18s}
.mini-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(20,30,50,.07);border-color:#f0c2c8}
.mc-ico{width:40px;height:40px;border-radius:10px;background:#eef7f1;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:10px}
.mini-card h3{font-size:15px;margin-bottom:6px;color: #0a1628}
.mini-card p{font-size:13px;color:#6b7280;line-height:1.65}

/* 导航内的 CTA 按钮：需要比 .nav a 更高的特异性 */
.nav .nav-cta { margin-left: 12px; }
.nav .nav-cta a.btn {
  padding: 10px 22px;
  font-size: 14.5px;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius-sm);
}
.nav .nav-cta a.btn::after { display: none; }
.nav .nav-cta a.btn:hover {
  background: var(--navy-900);
  color: #fff;
  transform: translateY(-1px);
}

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-wechat {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-800);
  text-decoration: none;
  transition: color .2s ease;
}
.header-wechat:hover,
.header-wechat:focus { color: #07C160; }
.header-wechat img,
.header-wechat svg { width: 18px; height: 18px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-800);
  transition: all .26s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 104px;
  background: linear-gradient(160deg, #ffffff 0%, #eff6ff 45%, #dbeafe 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -140px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, .4) 0%, transparent 66%);
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: .5;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 9px;
  border-radius: 100px;
  background: var(--blue-100);
  border: 1px solid #bfdbfe;
  font-size: 13px;
  color: var(--navy-800);
  margin-bottom: 26px;
}
.hero-badge b {
  padding: 2px 9px;
  border-radius: 100px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
}

.hero-title {
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -.025em;
  font-weight: 700;
}
.hero-title em {
  font-style: normal;
  color: var(--blue-400);
  position: relative;
  white-space: nowrap;
}

.hero-desc {
  margin-top: 26px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 540px;
}

.hero-actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero-meta {
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
}
.hero-meta li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.hero-meta svg { width: 16px; height: 16px; color: var(--blue-400); flex-shrink: 0; }

/* Hero 右侧看板 */
.hero-panel {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}
.hero-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.hero-panel-title { font-size: 14px; color: var(--ink); font-weight: 600; }
.hero-panel-dots { display: flex; gap: 6px; }
.hero-panel-dots i {
  width: 8px; height: 8px; border-radius: 50%;
  background: #cbd5e1;
}
.hero-panel-dots i:first-child { background: var(--accent); }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 20px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-stat { background: #f8fbff; padding: 18px 16px; }
.hero-stat .num {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -.02em;
}
.hero-stat .num sup { font-size: 15px; margin-left: 2px; color: var(--blue-400); }
.hero-stat .lbl { font-size: 13px; color: var(--muted); margin-top: 5px; }

.hero-brands { margin-top: 20px; }
.hero-brands-t {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero-brand-row { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-brand-chip {
  padding: 6px 13px;
  border-radius: 100px;
  font-size: 13px;
  color: var(--navy-800);
  background: var(--blue-100);
  border: 1px solid #bfdbfe;
}

/* ---------- 页面头（内页） ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 78px) 0 72px;
  background: linear-gradient(150deg, #eff6ff 0%, #dbeafe 100%);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -220px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, .32) 0%, transparent 68%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(30px, 4vw, 44px);
  color: var(--ink);
  letter-spacing: -.02em;
  max-width: 780px;
}
.page-hero p {
  margin-top: 20px;
  font-size: 17px;
  color: var(--muted);
  max-width: 660px;
  line-height: 1.9;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}
.crumb a { color: var(--navy-600); }
.crumb a:hover { color: var(--blue-500); }
.crumb span { opacity: .5; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .28s var(--ease);
  height: 100%;
}
.card:hover {
  border-color: #f0c2c8;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

a.card { display: block; color: inherit; }
a.card:hover { color: inherit; }
a.card h3 { transition: color .24s var(--ease); }
a.card:hover h3 { color: var(--navy-700); }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--blue-100);
  color: var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: all .28s var(--ease);
}
.card-icon svg { width: 23px; height: 23px; }
.card:hover .card-icon { background: var(--navy-800); color: #fff; }

.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { font-size: 15px; color: var(--muted); line-height: 1.85; }

.card-list { margin-top: 18px; display: grid; gap: 9px; }
.card-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text);
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-400);
}

.card-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue-400);
  margin-bottom: 14px;
}

/* ---------- 数据条 ---------- */
.stats-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.stats-band .grid-4 { gap: 0; }
.stat-cell {
  padding: 46px 28px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stat-cell:last-child { border-right: 0; }
.stat-num {
  font-size: 42px;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.stat-num sup { font-size: 20px; color: var(--blue-500); margin-left: 3px; }
.stat-lbl { margin-top: 10px; font-size: 15px; color: var(--muted); }

/* ---------- 品牌矩阵 ---------- */
.brand-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: all .28s var(--ease);
  height: 100%;
}
.brand-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: #f0c2c8;
}
.brand-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}
.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: var(--blue-100);
  color: var(--navy-700);
  white-space: nowrap;
}
.tag--gold { background: #e0f4f8; color: #0077b6; }
.brand-card h3 { font-size: 18px; margin-bottom: 8px; }
.brand-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; flex: 1; }
.brand-card .card-list { margin-top: 16px; }

/* ---------- 特性列 ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: center;
}
.feature-row + .feature-row { margin-top: 96px; }

.feature-list { margin-top: 30px; display: grid; gap: 20px; }
.feature-item { display: flex; gap: 15px; }
.feature-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 3px;
}
.feature-check svg { width: 13px; height: 13px; }
.feature-item h3 { font-size: 16px; margin-bottom: 4px; }
.feature-item p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

.media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-md);
}

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-400), var(--line));
}
.tl-item { position: relative; padding-bottom: 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue-400);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, .12);
}
.tl-year {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--blue-500);
  margin-bottom: 6px;
}
.tl-item h3 { font-size: 19px; margin-bottom: 8px; }
.tl-item p { font-size: 15px; color: var(--muted); line-height: 1.85; }

/* ---------- 价值观 ---------- */
.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  height: 100%;
  transition: all .28s var(--ease);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--blue-400);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .3s var(--ease);
}
.value-card:hover::before { transform: scaleY(1); }
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.value-card .idx {
  font-size: 32px;
  font-weight: 700;
  color: var(--line);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -.03em;
}
.value-card h3 { font-size: 18px; margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step {
  position: relative;
  padding: 0 20px;
  text-align: center;
}
.step::after {
  content: "";
  position: absolute;
  top: 23px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--line);
  z-index: 0;
}
.step:last-child::after { display: none; }
.step-dot {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--line);
  color: var(--navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  transition: all .28s var(--ease);
}
.step:hover .step-dot {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: #fff;
}
.step h3 { font-size: 16px; margin-bottom: 7px; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* ---------- 行业方案表 ---------- */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.table-scroll { overflow-x: auto; }
table.matrix {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 15px;
}
table.matrix th,
table.matrix td {
  padding: 17px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}
table.matrix thead th {
  background: var(--bg);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .02em;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.matrix tbody tr:last-child td { border-bottom: 0; }
table.matrix tbody tr { transition: background .2s var(--ease); }
table.matrix tbody tr:hover { background: var(--bg-soft); }
table.matrix td strong { color: var(--ink); font-weight: 600; }
table.matrix td span { color: var(--muted); font-size: 14px; }

/* ---------- 引用/案例 ---------- */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all .28s var(--ease);
}
.quote-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.quote-mark {
  font-size: 44px;
  line-height: 1;
  color: var(--blue-100);
  font-weight: 700;
  margin-bottom: 6px;
}
.quote-card p { font-size: 15.5px; color: var(--text); line-height: 1.9; flex: 1; }
.quote-by {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  gap: 13px;
}
.quote-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--navy-800);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 15px;
  flex-shrink: 0;
}
.quote-by b { display: block; font-size: 15px; color: var(--ink); font-weight: 600; }
.quote-by span { font-size: 13px; color: var(--muted); }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -260px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, .3) 0%, transparent 68%);
}
.cta .container { position: relative; z-index: 2; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 76px 0;
}
.cta h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--ink);
  letter-spacing: -.02em;
}
.cta p {
  margin-top: 16px;
  font-size: 16.5px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.85;
}
.cta-actions { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  gap: 17px;
  transition: all .26s var(--ease);
}
.info-card:hover { box-shadow: var(--shadow-sm); border-color: #f0c2c8; }
.info-ico {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--blue-100);
  color: var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-ico svg { width: 19px; height: 19px; }
.info-card h3 { font-size: 15px; margin-bottom: 6px; }
.info-card p, .info-card a { font-size: 15px; color: var(--muted); line-height: 1.7; }
.info-card a { display: block; }
.info-card a:hover { color: var(--navy-700); }
.info-card .big {
  font-size: 21px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: .01em;
}

/* 表单 */
.form-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-panel h2 { font-size: 24px; margin-bottom: 10px; }
.form-panel > p { font-size: 15px; color: var(--muted); margin-bottom: 30px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.field label .req { color: var(--err); margin-left: 3px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: all .2s var(--ease);
  outline: none;
}
.field textarea { resize: vertical; min-height: 128px; line-height: 1.75; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236d7f95' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  background-size: 17px;
  padding-right: 40px;
}
.field input::placeholder,
.field textarea::placeholder { color: #a8b5c4; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(230, 0, 18, .14);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--err); }
.field-err {
  font-size: 13px;
  color: var(--err);
  display: none;
}
.field.has-error .field-err { display: block; }

.form-foot {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.form-note { font-size: 13.5px; color: var(--muted); }

/* 隐私政策同意（个人信息收集明示同意） */
.form-consent { margin-top: 20px; }
.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  cursor: pointer;
}
.consent-label input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: #0077b6;
}
.consent-label a { color: #0077b6; text-decoration: underline; }

.form-alert {
  display: none;
  margin-bottom: 24px;
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  background: #e6f6ef;
  border: 1px solid #b9e3d0;
  color: #14724d;
}
.form-alert.is-show { display: flex; gap: 10px; align-items: flex-start; }
.form-alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }

/* FAQ */
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .24s var(--ease);
}
.faq-item.is-open { box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 26px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}
.faq-q svg {
  width: 19px; height: 19px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform .28s var(--ease);
}
.faq-item.is-open .faq-q svg { transform: rotate(45deg); color: var(--blue-500); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .34s var(--ease);
}
.faq-a-inner {
  padding: 0 26px 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--bg-soft);
  color: var(--muted);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.9fr 1.1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-grid > .footer-col { justify-self: start; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; min-width: 0; }
.footer-brand .brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 64px;
  min-width: 0;
  line-height: 1.1;
}
.footer-brand .brand-name { color: var(--ink); font-size: 26px; white-space: nowrap; }
.footer-brand .brand-sub {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 5px;
  letter-spacing: .05em;
  white-space: nowrap;
}
.footer-about { font-size: 14.5px; line-height: 1.9; max-width: 380px; }

.footer-col h3 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a, .footer-col p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}
.footer-col a:hover { color: var(--blue-500); }

.footer-contact li { display: flex; gap: 11px; align-items: flex-start; }
.footer-contact svg {
  width: 16px; height: 16px;
  color: var(--blue-400);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--blue-500); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--navy-800);
  color: #fff;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .28s var(--ease);
  z-index: 800;
  box-shadow: var(--shadow-md);
}
.to-top svg { width: 18px; height: 18px; }
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }

.to-top:hover { background: var(--navy-900); transform: translateY(-3px); }

/* ---------- 进场动画 ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

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

/* ---------- 资质证书横向滚动 ---------- */
.credentials-marquee {
  margin-top: 52px;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
}
.credentials-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: credentialsMarquee 53s linear infinite;
}
.credentials-marquee:hover .credentials-track { animation-play-state: paused; }
.credentials-item {
  flex: 0 0 auto;
  width: 320px;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.credentials-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@keyframes credentialsMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   微信在线咨询模块（企业微信客服）
   ============================================================ */
.wecom-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 28px;
}
.wecom-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 26px;
  background: linear-gradient(135deg, #F5FAFF 0%, #EFF6FF 100%);
  border-bottom: 1px solid var(--line-soft);
}
.wecom-avatar {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #07C160;
  color: #fff;
  box-shadow: 0 6px 16px rgba(7, 193, 96, .24);
}
.wecom-avatar svg { width: 27px; height: 27px; }
.wecom-head-text { flex: 1; min-width: 0; }
.wecom-head-text h2 { font-size: 19px; }
.wecom-sub { margin-top: 3px; font-size: 13px; color: var(--muted); line-height: 1.5; }

.wecom-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  padding: 6px 13px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-700);
  white-space: nowrap;
}
.wecom-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
  flex-shrink: 0;
}
.wecom-status.is-online .dot {
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
}
.wecom-status.is-offline .dot { background: #94a3b8; }

.wecom-body { padding: 26px; }
.wecom-lead {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 22px;
}

.wecom-main {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 22px;
  align-items: start;
  margin-bottom: 24px;
}
.wecom-main.no-qr { grid-template-columns: 1fr; }
.wecom-main.no-qr .wecom-qr { display: none; }

.wecom-qr {
  min-height: 132px;
  padding: 10px;
  border-radius: 14px;
  border: 1px dashed #cfe0f7;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.wecom-qr img {
  width: 100%;
  max-height: 104px;
  object-fit: contain;
  display: none;
}
.wecom-qr.has-qr img { display: block; }
.wecom-qr-tip { font-size: 12px; color: var(--muted); }

.wecom-facts { display: grid; gap: 13px; }
.wecom-fact {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--text);
  line-height: 1.65;
}
.wecom-fact svg {
  width: 17px;
  height: 17px;
  color: var(--blue-500);
  flex-shrink: 0;
  margin-top: 4px;
}
.wecom-fact b { color: var(--ink); font-weight: 600; margin-right: 8px; }

.wecom-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.wecom-actions .btn { padding: 13px 24px; }

.wecom-alt {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}
.wecom-alt a { font-weight: 600; }

/* 轻量提示条 */
.zp-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  z-index: 999;
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--navy-900);
  color: #fff;
  font-size: 14px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition: all .26s var(--ease);
}
.zp-toast.is-show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .container { padding: 0 28px; }
  .section { padding: 84px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-desc { max-width: none; }
  .feature-row { gap: 44px; }
  .footer-grid { grid-template-columns: 1.6fr 1fr; gap: 40px; }
  .footer-about { max-width: none; }
  .footer-brand .brand-name { white-space: nowrap; font-size: 22px; }
  .footer-brand .brand-sub { font-size: 11px; margin-top: 4px; letter-spacing: .04em; }
  .footer-brand .brand-text { height: 54px; }
  .footer-brand .brand-mark-svg { height: 54px; }

  .credentials-item { width: 280px; height: 192px; }
  .credentials-track { gap: 20px; }
}

@media (max-width: 900px) {
  .header-wechat { display: none; }
  .nav-toggle { display: block; }

  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 26px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: all .26s var(--ease);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a {
    padding: 15px 8px;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
    font-size: 16px;
  }
  .nav a:hover { background: transparent; }
  .nav a.is-active::after { left: 8px; right: auto; width: 22px; bottom: 8px; }
  .nav .nav-cta { margin-top: 18px; margin-left: 0; border-bottom: 0; }
  .nav .nav-cta a.btn { width: 100%; padding: 14px 22px; font-size: 15.5px; }

  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .stats-band .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-cell { border-bottom: 1px solid var(--line); padding: 34px 20px; }
  .stat-cell:nth-child(2n) { border-right: 0; }
  .stat-cell:nth-child(n+3) { border-bottom: 0; }

  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row + .feature-row { margin-top: 68px; }

  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 20px; }
  .step::after { display: none; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 62px 0; }
}

@media (max-width: 620px) {
  :root { --header-h: 68px; }
  .container { padding: 0 20px; }
  .section { padding: 62px 0; }
  .section--tight { padding: 52px 0; }
  .section-head { margin-bottom: 38px; }
  .section-desc { font-size: 16px; }

  .brand-mark-svg { height: 44px; }
  .brand-name { font-size: 17px; }

  .hero { padding: calc(var(--header-h) + 60px) 0 68px; }
  .hero-desc { font-size: 16px; margin-top: 20px; }
  .hero-actions { margin-top: 30px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-meta { margin-top: 34px; gap: 12px 20px; }
  .hero-panel { padding: 20px; }
  .hero-stat .num { font-size: 26px; }

  .page-hero { padding: calc(var(--header-h) + 52px) 0 52px; }
  .page-hero p { font-size: 16px; }

  .grid { gap: 18px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: 1fr; }
  .stats-band .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 34px; }
  .stat-lbl { font-size: 14px; }

  .card { padding: 26px; }
  .brand-card { padding: 24px; }
  .form-panel { padding: 26px 22px; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .form-foot .btn { width: 100%; }

  .steps { grid-template-columns: 1fr; gap: 28px; }
  .step { text-align: left; display: flex; gap: 16px; padding: 0; }
  .step-dot { margin: 0; flex-shrink: 0; }

  .timeline { padding-left: 26px; }
  .tl-item::before { left: -26px; width: 14px; height: 14px; }

  .footer-grid { grid-template-columns: 1fr; gap: 34px; padding-bottom: 40px; }
  .footer-brand .brand-name { white-space: nowrap; font-size: 20px; }
  .footer-brand .brand-sub { font-size: 10px; margin-top: 3px; letter-spacing: .03em; }
  .footer-brand .brand-text { height: 48px; }
  .footer-brand .brand-mark-svg { height: 48px; }
  .site-footer { padding-top: 54px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }

  .cta-inner { padding: 50px 0; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; }

  .faq-q { padding: 17px 20px; font-size: 15.5px; }
  .faq-a-inner { padding: 0 20px 18px; }

  .wecom-head { flex-wrap: wrap; padding: 20px; gap: 12px; }
  .wecom-status { flex-basis: 100%; justify-content: center; }
  .wecom-body { padding: 22px 20px; }
  .wecom-main { grid-template-columns: 1fr; }
  .wecom-qr { margin: 0 auto; width: 100%; max-width: 240px; }
  .wecom-actions { flex-direction: column; }
  .wecom-actions .btn { width: 100%; }

  .credentials-marquee { margin-top: 40px; }
  .credentials-item { width: 240px; height: 165px; }
  .credentials-track { gap: 16px; }

  .to-top { right: 16px; bottom: 16px; }
}



/* ---------- Hero / CTA 浅底按钮覆盖（确保浅蓝白底上可见） ---------- */
.hero .btn-light, .cta .btn-light { background: var(--blue-500); color: #fff; }
.hero .btn-light:hover, .cta .btn-light:hover { background: var(--blue-400); color: #fff; transform: translateY(-2px); }
.hero .btn-ghost-light, .cta .btn-ghost-light { background: transparent; color: var(--navy-800); border-color: var(--line); }
.hero .btn-ghost-light:hover, .cta .btn-ghost-light:hover { border-color: var(--blue-500); color: var(--blue-500); background: rgba(59, 130, 246, .06); }