/* ==========================================================================
   内蒙古爱推网络传媒有限公司 — 企业官网主样式
   设计风格：深蓝科技商务风 · 科技线条 / 城市网格光效 · 简约现代 B 端
   主色：深海蓝 #0F3460   科技蓝 #1A73E8   辅助：浅灰 / 白
   ========================================================================== */

/* ---------- 全局变量 ---------- */
:root {
  --navy: #0F3460;
  --navy-deep: #0A2440;
  --navy-soft: #16457C;
  --blue: #1A73E8;
  --blue-hover: #0F3460;
  --blue-tint: #EAF2FE;
  --ink: #1F2A37;
  --ink-2: #3C4859;
  --gray: #6B7280;
  --gray-light: #98A2B3;
  --line: #E6EAF2;
  --soft: #F6F8FC;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(15, 52, 96, .05);
  --shadow: 0 12px 32px rgba(15, 52, 96, .08);
  --shadow-lg: 0 24px 60px rgba(15, 52, 96, .14);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --max: 1180px;
  --header-h: 76px;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  /* 移动菜单以 translateX 藏在视口右侧，clip 让其不参与滚动宽度计算 */
  overflow-x: clip;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
button { cursor: pointer; border: none; background: none; }

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

/* ---------- 通用布局 ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.section { padding: 88px 0; position: relative; }
.section--soft { background: var(--soft); }
.section--tight { padding: 64px 0; }

.section-head { text-align: center; max-width: 780px; margin: 0 auto 52px; }
.section-head--left { text-align: left; margin-left: 0; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--blue);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
  position: relative;
  padding-left: 30px;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 20px; height: 2px;
  background: linear-gradient(90deg, var(--blue), rgba(26, 115, 232, .2));
  transform: translateY(-50%);
}
.section-head:not(.section-head--left) .eyebrow { padding-left: 0; padding-right: 0; }
.section-head:not(.section-head--left) .eyebrow::before { display: none; }

h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; color: var(--navy); letter-spacing: -.01em; }

.section-title { font-size: 36px; margin-bottom: 16px; }
.section-sub { font-size: 16px; color: var(--gray); line-height: 1.9; }

.text-blue { color: var(--blue); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all .28s ease;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(26, 115, 232, .28);
}
.btn-primary:hover {
  background: var(--navy);
  box-shadow: 0 14px 30px rgba(15, 52, 96, .32);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255, 255, 255, .06);
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; transform: translateY(-2px); }
.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-arrow::after { content: "→"; font-size: 16px; transition: transform .28s ease; }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(15, 52, 96, .08); border-bottom-color: var(--line); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.02em;
  box-shadow: 0 6px 16px rgba(26, 115, 232, .3);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 16.5px; color: var(--navy); font-weight: 700; letter-spacing: .01em; }
.logo-text em { font-size: 11.5px; color: var(--gray-light); font-style: normal; letter-spacing: .12em; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > a {
  position: relative;
  padding: 9px 14px;
  font-size: 15px;
  color: var(--ink-2);
  font-weight: 500;
  border-radius: 8px;
  transition: color .25s ease, background .25s ease;
}
.nav > a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 3px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transform: translateX(-50%);
  transition: width .28s ease;
}
.nav > a:hover { color: var(--blue); }
.nav > a:hover::after { width: 22px; }
.nav > a.active { color: var(--blue); font-weight: 600; }
.nav > a.active::after { width: 22px; }
.nav-cta { margin-left: 14px; }
.nav-cta .btn { padding: 11px 22px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: #fff;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--navy);
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Banner ---------- */
.hero {
  position: relative;
  background: linear-gradient(150deg, #0A2440 0%, #0F3460 42%, #123F77 72%, #0E2F58 100%);
  color: #fff;
  padding: 110px 0 130px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120, 175, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 175, 255, .09) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute;
  width: 720px; height: 720px;
  right: -220px; top: -260px;
  background: radial-gradient(circle, rgba(26, 115, 232, .42) 0%, transparent 62%);
  filter: blur(10px);
  z-index: -1;
}
.hero-city {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  height: auto;
  opacity: .5;
  z-index: -1;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 860px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  border-radius: 50px;
  background: rgba(26, 115, 232, .16);
  border: 1px solid rgba(120, 175, 255, .34);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: #BFD8FB;
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4A94F8;
  box-shadow: 0 0 0 4px rgba(74, 148, 248, .2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(74, 148, 248, .2); }
  50% { box-shadow: 0 0 0 9px rgba(74, 148, 248, 0); }
}

.hero h1 {
  font-size: 52px;
  line-height: 1.22;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -.02em;
}
.hero h1 .hl {
  background: linear-gradient(100deg, #7FB4FF 0%, #4A94F8 60%, #9CC8FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 17px;
  color: #C6D8F0;
  margin-bottom: 14px;
  font-weight: 500;
  letter-spacing: .01em;
}
.hero-note { font-size: 15px; color: #93AECD; margin-bottom: 38px; max-width: 640px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 66px;
  background: rgba(120, 175, 255, .16);
  border: 1px solid rgba(120, 175, 255, .18);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.hero-stat { padding: 24px 20px; background: rgba(10, 36, 64, .42); text-align: center; }
.hero-stat strong { display: block; font-size: 28px; color: #fff; font-weight: 700; }
.hero-stat strong small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.hero-stat span { font-size: 13.5px; color: #93AECD; }

/* ---------- 页面内页头 ---------- */
.page-hero {
  position: relative;
  background: linear-gradient(140deg, #0A2440 0%, #0F3460 55%, #12406F 100%);
  color: #fff;
  padding: 76px 0 70px;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120, 175, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 175, 255, .08) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 80% 100% at 20% 50%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 100% at 20% 50%, #000 20%, transparent 80%);
  z-index: -1;
}
.page-hero h1 { font-size: 40px; color: #fff; margin-bottom: 14px; }
.page-hero p { font-size: 16.5px; color: #C0D4EE; max-width: 720px; }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: #8FAACB; margin-bottom: 20px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span.sep { opacity: .55; }
.breadcrumb .cur { color: #BFD8FB; }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform .32s ease, box-shadow .32s ease, border-color .32s ease;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), #6BA4F5);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .38s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(26, 115, 232, .22); }
.card:hover::after { transform: scaleX(1); }

.card-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--blue-tint);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background .32s ease, color .32s ease;
}
.card:hover .card-icon { background: var(--blue); color: #fff; }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { font-size: 14.8px; color: var(--gray); line-height: 1.85; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- 首页 优势列表 ---------- */
.adv-list { display: grid; gap: 18px; }
.adv-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.adv-item:hover { border-color: rgba(26, 115, 232, .28); box-shadow: var(--shadow); transform: translateX(6px); }
.adv-check {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #4A94F8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(26, 115, 232, .26);
}
.adv-body strong { display: block; font-size: 17px; color: var(--navy); margin-bottom: 6px; font-weight: 700; }
.adv-body span { font-size: 14.8px; color: var(--gray); line-height: 1.8; }

/* ---------- 图文左右分栏 ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.split--rev .split-media { order: -1; }

.split-body h2 { font-size: 32px; margin-bottom: 18px; }
.split-body p { color: var(--gray); margin-bottom: 16px; font-size: 15.5px; line-height: 1.9; }

.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, #0A2440, #16457C);
  padding: 30px;
  box-shadow: var(--shadow-lg);
}

/* ---------- 适合商家 标签 ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.tag {
  padding: 13px 28px;
  border-radius: 50px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 15.5px;
  color: var(--ink-2);
  font-weight: 500;
  transition: all .3s ease;
}
.tag:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-3px); box-shadow: 0 12px 24px rgba(26, 115, 232, .24); }

/* ---------- 案例卡片 ---------- */
.case-card { display: flex; flex-direction: column; height: 100%; padding: 0; overflow: hidden; }
.case-thumb {
  height: 178px;
  background: linear-gradient(140deg, #0F3460 0%, #16457C 60%, #1A73E8 140%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-thumb svg { opacity: .85; width: 100%; height: 100%; }
.case-body { padding: 26px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.case-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  font-size: 12.5px;
  padding: 5px 13px;
  border-radius: 50px;
  background: var(--blue-tint);
  color: var(--blue);
  font-weight: 600;
  letter-spacing: .01em;
}
.chip--gray { background: var(--soft); color: var(--gray); }
.case-body h3 { font-size: 18.5px; margin-bottom: 12px; }
.case-body p { font-size: 14.6px; color: var(--gray); line-height: 1.85; margin-bottom: 18px; flex: 1; }
.case-result {
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--navy);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.case-result svg { width: 16px; height: 16px; color: #12B76A; flex-shrink: 0; }

/* ---------- 资讯列表 ---------- */
.news-list { display: grid; gap: 16px; }
.news-item {
  display: flex;
  gap: 26px;
  align-items: flex-start;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: all .3s ease;
}
.news-item:hover { border-color: rgba(26, 115, 232, .28); box-shadow: var(--shadow); transform: translateY(-3px); }
.news-date {
  flex-shrink: 0;
  width: 82px;
  text-align: center;
  padding-right: 24px;
  border-right: 1px solid var(--line);
}
.news-date strong { display: block; font-size: 26px; color: var(--blue); font-weight: 700; line-height: 1.1; }
.news-date span { font-size: 12.5px; color: var(--gray-light); }
.news-main { flex: 1; }
.news-main h3 { font-size: 18px; margin-bottom: 8px; transition: color .25s ease; }
.news-item:hover .news-main h3 { color: var(--blue); }
.news-main p { font-size: 14.5px; color: var(--gray); line-height: 1.8; }
.news-more { flex-shrink: 0; align-self: center; color: var(--gray-light); font-size: 20px; transition: transform .3s ease, color .3s ease; }
.news-item:hover .news-more { color: var(--blue); transform: translateX(5px); }

/* 资讯筛选 */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14.5px;
  color: var(--ink-2);
  font-weight: 500;
  transition: all .28s ease;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.is-active { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(26, 115, 232, .24); }

/* ---------- 底部咨询通栏 ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, #0A2440 0%, #0F3460 55%, #1A73E8 155%);
  color: #fff;
  padding: 66px 0;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120, 175, 255, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 175, 255, .1) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 85%);
  z-index: -1;
}
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { font-size: 30px; color: #fff; margin-bottom: 12px; }
.cta-band p { color: #BFD4EE; font-size: 15.5px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0A1F38; color: #8FA6C2; padding: 62px 0 0; font-size: 14.5px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 46px; }
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text em { color: #6E88A8; }
.footer-brand p { margin-top: 20px; line-height: 1.9; color: #8FA6C2; font-size: 14px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 20px; font-weight: 600; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; line-height: 1.7; }
.footer-contact svg { width: 17px; height: 17px; color: var(--blue); flex-shrink: 0; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(143, 166, 194, .16);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: #6E88A8;
}
.footer-bottom a { color: #6E88A8; }
.footer-bottom a:hover { color: #fff; }
.icp { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.step { position: relative; padding: 32px 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 14px;
  display: block;
}
.step h3 { font-size: 17.5px; margin-bottom: 10px; }
.step p { font-size: 14.4px; color: var(--gray); line-height: 1.8; }

/* ---------- 数据/成效 ---------- */
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.metric {
  padding: 34px 28px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, #0F3460, #16457C);
  color: #fff;
  text-align: center;
}
.metric strong { display: block; font-size: 34px; font-weight: 700; margin-bottom: 8px; }
.metric span { font-size: 14.5px; color: #B7CCE6; }

/* ---------- 时间轴（关于我们） ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--blue), rgba(26, 115, 232, .1)); }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px; top: 7px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
}
.tl-item h3 { font-size: 17.5px; margin-bottom: 8px; }
.tl-item p { font-size: 14.6px; color: var(--gray); line-height: 1.85; }

/* ---------- 价值对比 ---------- */
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vs-card { padding: 32px 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
.vs-card--hl { border-color: rgba(26, 115, 232, .35); background: linear-gradient(160deg, #F4F9FF, #fff); box-shadow: var(--shadow); }
.vs-card h3 { font-size: 18.5px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.vs-card ul { display: grid; gap: 12px; }
.vs-card li { font-size: 14.8px; color: var(--gray); line-height: 1.8; padding-left: 24px; position: relative; }
.vs-card li::before { content: "—"; position: absolute; left: 0; color: var(--gray-light); }
.vs-card--hl li::before { content: "✓"; color: var(--blue); font-weight: 700; }

/* ---------- 行业方案卡片 ---------- */
.industry-row { display: grid; grid-template-columns: auto 1fr; align-items: stretch; }
.industry-side {
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  min-width: 220px;
  border-radius: 13px 0 0 13px;
}
.industry-main { padding: 36px 34px; }
.industry-actions { margin-top: 26px; padding-top: 22px; border-top: 1px dashed var(--line); }
.industry-side h3 { color: #fff; font-size: 22px; margin-bottom: 0; }
.industry-side .ind-kicker { font-size: 12.5px; letter-spacing: .14em; color: #9CC8FF; margin-bottom: 6px; }
.industry-side svg { width: 44px; height: 44px; }
.ind-pain-title { font-size: 15.5px; color: var(--gray); font-weight: 600; margin-bottom: 14px; }
.ind-pain { display: grid; gap: 11px; }
.ind-pain li { font-size: 14.8px; color: var(--gray); line-height: 1.8; padding-left: 20px; position: relative; }
.ind-pain li::before { content: "·"; position: absolute; left: 4px; color: #E5484D; font-weight: 700; }
.ind-solution { font-size: 14.8px; color: var(--ink-2); line-height: 1.9; margin-bottom: 16px; }
.ind-solution strong { color: var(--navy); }

/* ---------- 地图占位 ---------- */
.map-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #0F3460, #16457C);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-card svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.map-label {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
  padding: 22px 30px;
  border-radius: var(--radius);
  background: rgba(10, 31, 56, .62);
  border: 1px solid rgba(120, 175, 255, .28);
  backdrop-filter: blur(6px);
}
.map-label strong { display: block; font-size: 18px; margin-bottom: 6px; }
.map-label span { font-size: 14px; color: #B7CCE6; }

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .hero h1 { font-size: 44px; }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 24px 40px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .34s cubic-bezier(.4,0,.2,1);
    border-top: 1px solid var(--line);
  }
  .nav.is-open { transform: none; box-shadow: -20px 0 50px rgba(15, 52, 96, .12); }
  .nav > a { padding: 16px 4px; font-size: 16.5px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav > a::after { display: none; }
  .nav-cta { margin: 26px 0 0; }
  .nav-cta .btn { width: 100%; padding: 15px 22px; font-size: 15.5px; }

  .section { padding: 62px 0; }
  .section-title { font-size: 28px; }
  .hero { padding: 70px 0 96px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 15.5px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 46px; }
  .page-hero { padding: 54px 0 50px; }
  .page-hero h1 { font-size: 30px; }

  .grid-3, .grid-4, .metric-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .industry-row { grid-template-columns: 1fr; }
  .industry-side { border-radius: 13px 13px 0 0; min-width: 0; padding: 28px 24px; }
  .industry-main { padding: 28px 24px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split--rev .split-media { order: 0; }
  .split-body h2 { font-size: 26px; }
  .vs-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .float-cta { right: 14px; bottom: 16px; padding: 13px 20px; font-size: 13.5px; }
  .float-cta svg { width: 16px; height: 16px; }
  .container { padding: 0 18px; }
  .section { padding: 52px 0; }
  .section-title { font-size: 24px; }
  .section-head { margin-bottom: 34px; }
  .section-sub { font-size: 15px; }

  .logo-text strong { font-size: 15px; }
  .logo-text em { font-size: 10.5px; }
  .logo-mark { width: 38px; height: 38px; font-size: 14px; }

  .hero { padding: 54px 0 78px; }
  .hero h1 { font-size: 27px; }
  .hero-sub { font-size: 14.5px; }
  .hero-note { font-size: 14px; margin-bottom: 28px; }
  .hero-badge { font-size: 12.5px; padding: 7px 14px; margin-bottom: 20px; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stat { padding: 18px 12px; }
  .hero-stat strong { font-size: 22px; }
  .hero-stat span { font-size: 12.5px; }

  .grid-2, .grid-3, .grid-4, .metric-grid, .steps { grid-template-columns: 1fr; }
  .card { padding: 26px 22px; }
  .card h3 { font-size: 18px; }
  .split-media { padding: 20px; }

  .news-item { flex-direction: column; gap: 14px; padding: 22px; }
  .news-date { width: auto; text-align: left; border-right: none; padding-right: 0; display: flex; align-items: baseline; gap: 8px; }
  .news-date strong { font-size: 20px; }
  .news-more { display: none; }

  .cta-band { padding: 48px 0; }
  .cta-band h2 { font-size: 23px; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .cta-band-inner .btn { width: 100%; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; padding-bottom: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; text-align: left; }

  .adv-item { padding: 20px; gap: 14px; }
  .adv-item:hover { transform: none; }
}

@media (max-width: 380px) {
  .float-cta { font-size: 12.5px; padding: 12px 16px; }
  .hero h1 { font-size: 24px; }
}

/* ---------- 悬浮拨号按钮（全站通用） ---------- */
.float-cta {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 950;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 26px;
  border-radius: 50px;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 14px 34px rgba(26, 115, 232, .42);
  transition: all .3s ease;
  font-variant-numeric: tabular-nums;
}
.float-cta svg { width: 18px; height: 18px; flex-shrink: 0; }
.float-cta:hover { background: var(--navy); transform: translateY(-3px); box-shadow: 0 18px 40px rgba(15, 52, 96, .45); }