/* ==========================================================================
   历和软件官网 — 全站样式
   结构：1.设计变量  2.基础重置  3.通用组件  4.页头  5.轮播  6.首页区块
        7.页脚  8.悬浮客服  9.动效  10.响应式
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --c-primary: #0575bf;        /* 品牌主蓝 */
  --c-primary-dark: #04619f;
  --c-navy: #17233d;           /* 导航/页脚深蓝 */
  --c-bg-light: #eff7ff;       /* 浅蓝背景 */
  --c-text: #333;
  --c-text-2: #4c4c4c;
  --c-text-3: #999;
  --c-border: #e5e5e5;
  --c-white: #fff;
  --font: "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  --container: 1200px;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.7;
}
img { display: block; max-width: 100%; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; border: 0; background: none; cursor: pointer; }
h1, h2, h3, h4 { font-weight: bold; line-height: 1.4; }

/* ---------- 3. 通用组件 ---------- */
.container {
  width: var(--container);
  max-width: 96%;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 10px 34px;
  border-radius: 20px;
  font-size: 14px;
  transition: all .25s;
}
.btn-primary { background: var(--c-primary); color: var(--c-white); }
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-outline {
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  background: var(--c-white);
}
.btn-outline:hover { background: var(--c-primary); color: var(--c-white); }

/* 区块标题：左右蓝色竖条 + 副标题 */
.section-head {
  text-align: center;
  padding: 72px 0 44px;
}
.section-head h2 {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 28px;
  color: var(--c-text);
}
.section-head h2::before,
.section-head h2::after {
  content: "";
  width: 6px;
  height: 22px;
  background: var(--c-primary);
  border-radius: 2px;
}
.section-head p { margin-top: 6px; font-size: 15px; color: var(--c-text-3); }
.section-head.on-light { background: var(--c-bg-light); padding-bottom: 0; }
.section-head.on-light + section { background: var(--c-bg-light); }

/* ---------- 4. 页头 ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: bold;
  color: var(--c-primary);
}
.brand img { width: 40px; height: 40px; }
.topbar-slogan { text-align: right; line-height: 1.5; }
.topbar-slogan strong { display: block; font-size: 22px; color: var(--c-primary); }
.topbar-slogan small { font-size: 11px; color: var(--c-text-3); letter-spacing: .5px; }

.navbar { background: var(--c-navy); position: sticky; top: 0; z-index: 100; }
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.nav-menu { display: flex; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: flex;
  align-items: center;
  height: 74px;
  padding: 0 22px;
  color: var(--c-white);
  font-size: 16px;
  transition: background .2s;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { background: var(--c-primary); }
.caret {
  width: 0; height: 0;
  margin-left: 8px;
  border: 4px solid transparent;
  border-top-color: currentColor;
  transform: translateY(2px);
}
.sub-menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 100%;
  background: var(--c-navy);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .2s;
  z-index: 10;
}
.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu a {
  display: block;
  padding: 12px 22px;
  color: var(--c-white);
  white-space: nowrap;
}
.sub-menu a:hover { background: var(--c-primary); }

.nav-cta { display: flex; align-items: center; gap: 20px; }
.hotline {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-white);
  font-size: 20px;
  font-weight: bold;
}

.nav-toggle { display: none; }
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  margin: 5px 0;
  background: var(--c-white);
}

/* ---------- 5. 轮播 Banner ---------- */
.hero { position: relative; height: 450px; overflow: hidden; }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity .8s;
}
.hero-slide.is-active { opacity: 1; }
.hero-caption {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--c-white);
  pointer-events: none;
}
.hero-caption h2 { font-size: 42px; text-shadow: 0 2px 12px rgba(0,0,0,.35); }
.hero-caption p { margin-top: 14px; font-size: 20px; opacity: .9; }
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px; height: 60px;
  color: rgba(255,255,255,.75);
  font-size: 26px;
  transition: color .2s;
}
.hero-arrow:hover { color: var(--c-white); }
.hero-arrow.prev { left: 4%; }
.hero-arrow.next { right: 4%; }
.hero-dots {
  position: absolute;
  bottom: 14px; left: 0; right: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 10px;
}
.hero-dots button {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  transition: all .2s;
}
.hero-dots button.is-active { background: var(--c-white); }

/* ---------- 6. 首页区块 ---------- */

/* 六大优势图标条 */
.feature-strip { padding: 36px 0; }
.feature-grid { display: flex; justify-content: space-between; gap: 12px; }
.feature-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.feature-item img { height: 58px; width: auto; }
.feature-item span { font-size: 15px; color: var(--c-text); }

/* 关于我们 */
.about { background: var(--c-bg-light); padding: 70px 0 90px; }
.about-inner { position: relative; }
.about-photo {
  position: absolute;
  left: -96px;
  top: 50%;
  transform: translateY(-50%);
  width: 220px;
  height: calc(100% - 40px);
  object-fit: cover;
}
.about-card {
  margin-left: 200px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  padding: 50px 60px;
}
.about-card h3 { font-size: 24px; color: var(--c-primary); margin-bottom: 24px; }
.about-card p { margin-bottom: 18px; color: var(--c-text-2); text-indent: 2em; }
.about-card .btn { float: right; }

/* 为什么选择历和 */
.why-us { background: var(--c-bg-light); padding: 20px 0 90px; }
.why-us-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.why-us-side {
  flex: 0 0 250px;
  text-align: center;
}
.why-us-side img { margin-bottom: 24px; }
.why-us-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.adv-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  padding: 36px 20px;
  text-align: center;
  transition: all .25s;
}
.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(5,117,191,.12);
  border-color: var(--c-primary);
}
.adv-card img {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
}
.adv-card h3 { font-size: 19px; margin-bottom: 8px; }
.adv-card p { font-size: 13px; color: var(--c-text-2); }

/* 客户化定制开发：图片手风琴 */
.dev-showcase { padding: 24px 0 90px; }
.dev-cards {
  display: flex;
  gap: 4px;
  height: 270px;
}
.dev-cards li {
  position: relative;
  flex: 1;
  overflow: hidden;
  cursor: pointer;
  transition: flex .45s ease;
}
.dev-cards li.is-open { flex: 2.6; }
.dev-cards img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.dev-card-text {
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  padding: 24px 28px;
  color: var(--c-white);
  background: linear-gradient(transparent, rgba(0,0,0,.55));
}
.dev-card-text h3 { font-size: 26px; }
.dev-card-text p { font-size: 13px; margin-top: 6px; opacity: 0; transition: opacity .3s .2s; }
.dev-cards li.is-open .dev-card-text p { opacity: 1; }
.dev-actions {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 120px;
}

/* 低代码平台（深色区） */
.lowcode {
  background: var(--c-navy) url("../img/bg-circuit.png") repeat-x center;
  padding: 84px 0 70px;
  color: var(--c-white);
}
.lowcode-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}
.lowcode-head h2 { font-size: 36px; }
.lowcode-head > div:first-child p { margin-top: 10px; font-size: 18px; opacity: .9; }
.lowcode-points { text-align: right; font-size: 15px; line-height: 2; opacity: .95; }

.lowcode-rows { display: flex; flex-direction: column; gap: 18px; }
.lowcode-rows li { display: flex; align-items: stretch; }
.row-label {
  flex: 0 0 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  font-size: 16px;
}
.row-body {
  flex: 1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 28px;
  border: 1px solid var(--c-primary);
  padding: 19px 24px;
  font-size: 14px;
}
.row-body i { font-style: normal; opacity: .95; }

.lowcode-foot {
  margin-top: 24px;
  display: flex;
  align-items: stretch;
}
.lowcode-devices {
  flex: 1;
  background: rgba(23,35,61,.85);
  padding: 22px 30px;
  display: flex;
  gap: 60px;
}
.device-group h4 { font-size: 15px; font-weight: normal; opacity: .9; margin-bottom: 14px; }
.device-group ul { display: flex; flex-wrap: wrap; gap: 18px 26px; }
.device-group li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.device-group img { height: 26px; width: auto; }
.lowcode-apply {
  flex: 0 0 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  font-size: 15px;
  transition: background .25s;
}
.lowcode-apply:hover { background: var(--c-primary-dark); }

/* ---------- 7. 页脚 ---------- */
/* 与原站一致：#333 深灰底 + 微信搜一搜卡片 + 右侧带装饰线的联系块 + 蓝色版权条 */
.site-footer { background: #333; color: #c9c9c9; }
.footer-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 55px 0;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 20px 46px;
  flex: 0 0 auto;
}
.footer-nav a { color: #d6d6d6; font-size: 15px; white-space: nowrap; transition: color .2s; }
.footer-nav a:hover { color: var(--c-white); }
.footer-wechat {
  flex: 0 0 auto;
  border-left: 1px solid rgba(255, 255, 255, .3);
  padding-left: 56px;
}
.footer-wechat img { display: block; width: 172px; }
.footer-contact { display: flex; align-items: flex-start; gap: 56px; margin-left: auto; }
.footer-company {
  position: relative;
  padding: 0 26px 20px 0;
  border-right: 1px solid rgba(255, 255, 255, .85);
}
.footer-company h4 {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-white);
  font-size: 18px;
  margin-bottom: 18px;
  white-space: nowrap;
}
.footer-company h4::after { content: ''; flex: 1; min-width: 40px; height: 1px; background: rgba(255, 255, 255, .85); }
.footer-company::after { content: ''; position: absolute; left: 0; right: -1px; bottom: 0; height: 1px; background: rgba(255, 255, 255, .85); }
.footer-company li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.7;
}
.footer-company li:last-child { margin-bottom: 0; }
.footer-company img { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.copyright {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 10px 0;
  text-align: center;
  font-size: 13px;
}
.copyright a { margin-left: 16px; }
.copyright a:hover { color: var(--c-white); }

/* ---------- 8. 悬浮客服 ---------- */
.float-service {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  width: 72px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  overflow: hidden;
}
.float-service a,
.float-service .qr-pop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 6px;
  color: var(--c-primary);
  border-bottom: 1px solid var(--c-border);
  font-size: 12px;
  text-align: center;
}
.float-service a:hover { background: var(--c-bg-light); }
.float-service .qr-pop { border-bottom: 0; cursor: default; }
.float-service .qr-pop img { width: 52px; height: 52px; }

/* ---------- 9. 动效 ---------- */
/* 入场动画：位移 + 淡入，动画结束后不占用 transform，避免压掉 hover 效果 */
.anim-ready .reveal { opacity: 0; }
.reveal.is-visible {
  opacity: 1;
  animation-duration: .8s;
  animation-delay: var(--reveal-delay, 0ms);
  animation-timing-function: cubic-bezier(.22, .61, .36, 1);
  animation-fill-mode: backwards;
}
.reveal.is-visible.reveal-up { animation-name: rvUp; }
.reveal.is-visible.reveal-down { animation-name: rvDown; }
.reveal.is-visible.reveal-left { animation-name: rvLeft; }
.reveal.is-visible.reveal-right { animation-name: rvRight; }
.reveal.is-visible.reveal-zoom { animation-name: rvZoom; }
.reveal.is-visible.reveal-rotate { animation-name: rvRotate; }

@keyframes rvUp { from { opacity: 0; transform: translateY(38px); } to { opacity: 1; transform: none; } }
@keyframes rvDown { from { opacity: 0; transform: translateY(-28px); } to { opacity: 1; transform: none; } }
@keyframes rvLeft { from { opacity: 0; transform: translateX(-56px); } to { opacity: 1; transform: none; } }
@keyframes rvRight { from { opacity: 0; transform: translateX(56px); } to { opacity: 1; transform: none; } }
@keyframes rvZoom { from { opacity: 0; transform: scale(.93); } to { opacity: 1; transform: none; } }
@keyframes rvRotate { from { opacity: 0; transform: translateY(26px) rotate(-3deg); } to { opacity: 1; transform: none; } }

/* 首屏标题与副标题入场 */
@keyframes heroIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.hero-caption.is-in h2 { animation: heroIn .85s .05s both cubic-bezier(.22, .61, .36, 1); }
.hero-caption.is-in p { animation: heroIn .85s .18s both cubic-bezier(.22, .61, .36, 1); }

/* 卡片悬停微动效（原先缺失的补上） */
.adv-card, .cat-card, .solution-card, .case-card, .honor-item, .svc-card, .pain-card, .core-item, .as-card, .req-card {
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.cat-card:hover, .solution-card:hover, .svc-card:hover, .as-card:hover, .req-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(5, 117, 191, .14);
}
.about-photo, .why-photo, .dev-card, .case-card { transition: transform .3s ease; }
.about-photo:hover, .why-photo:hover { transform: scale(1.02); }

/* 无障碍：系统开启「减少动态效果」时只保留极轻的淡入，不做位移 */
@keyframes rvFade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .reveal.is-visible,
  .hero-caption.is-in h2,
  .hero-caption.is-in p {
    animation-name: rvFade !important;
    animation-duration: .25s;
    animation-delay: 0ms;
  }
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 991px) {
  .topbar-slogan { display: none; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--c-navy);
    display: none;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu > li > a { height: 52px; }
  .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; display: none; }
  .has-sub.is-open .sub-menu { display: block; }
  .hotline { display: none; }

  .feature-grid { flex-wrap: wrap; }
  .feature-item { flex: 0 0 30%; margin-bottom: 20px; }

  .about-photo { display: none; }
  .about-card { margin-left: 0; }

  .why-us-inner { flex-direction: column; }
  .why-us-side { flex: none; }
  .why-us-grid { grid-template-columns: repeat(2, 1fr); }

  .dev-cards { flex-direction: column; height: auto; }
  .dev-cards li { height: 130px; }
  .dev-cards li.is-open { height: 220px; flex: none; }
  .dev-cards li.is-open .dev-card-text p { opacity: 1; }
  .dev-actions { gap: 40px; }

  .lowcode-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .lowcode-points { text-align: left; }
  .lowcode-rows li { flex-direction: column; }
  .row-label { flex: none; padding: 8px 0; }
  .lowcode-foot { flex-direction: column; gap: 16px; }
  .lowcode-devices { flex-direction: column; gap: 24px; }
  .lowcode-apply { flex: none; padding: 14px 0; }

  .footer-inner { flex-direction: column; align-items: center; gap: 32px; padding: 40px 0; }
  .footer-wechat { border-left: 0; padding-left: 0; }
  .footer-contact { margin-left: 0; }
  .float-service { display: none; }
}
@media (max-width: 575px) {
  .hero-caption h2 { font-size: 26px; }
  .hero-caption p { font-size: 15px; }
  .hero { height: 320px; }
  .why-us-grid { grid-template-columns: 1fr; }
  .feature-item { flex: 0 0 46%; }
  .footer-contact { flex-direction: column; gap: 24px; }
}

/* ---------- 11. 内页通用 ---------- */

/* 内页 Banner */
.page-banner {
  position: relative;
  height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--c-white);
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10,25,50,.35);
}
.page-banner .container { position: relative; text-align: center; }
.page-banner h1 { font-size: 40px; text-shadow: 0 2px 10px rgba(0,0,0,.4); }
.page-banner .banner-lines { margin-top: 10px; font-size: 20px; line-height: 1.9; opacity: .95; }
.page-banner .banner-lines strong { display: block; font-size: 28px; }

/* 侧边栏 + 内容布局 */
.product-layout {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  padding: 50px 0 80px;
}
.side-nav { flex: 0 0 200px; }
.side-nav h3 {
  background: var(--c-text-2);
  color: var(--c-white);
  text-align: center;
  font-size: 18px;
  font-weight: normal;
  letter-spacing: 8px;
  padding: 14px 0;
}
.side-nav ul { border: 1px solid var(--c-border); border-top: 0; }
.side-nav a {
  display: block;
  padding: 12px 18px;
  font-size: 14px;
  border-bottom: 1px solid var(--c-border);
  transition: all .2s;
}
.side-nav li:last-child a { border-bottom: 0; }
.side-nav a:hover, .side-nav a.is-current {
  color: var(--c-primary);
  background: var(--c-bg-light);
}
.product-main { flex: 1; min-width: 0; }
.product-main > h2 {
  text-align: center;
  font-size: 26px;
  margin-bottom: 36px;
}
.figure-block { margin-bottom: 50px; }
.figure-block h4 {
  text-align: center;
  color: var(--c-primary);
  font-size: 16px;
  margin-bottom: 20px;
}
.figure-block img { width: 100%; }

/* 工具页能力行（浅色版） */
.cap-panel { background: #efefef; padding: 30px 26px; display: flex; flex-direction: column; gap: 18px; }
.cap-row { display: flex; align-items: center; gap: 14px; }
.cap-label {
  flex: 0 0 150px;
  background: var(--c-white);
  color: var(--c-primary);
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  padding: 16px 10px;
  border-radius: 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,.08);
}
.cap-row.is-strong .cap-label { background: var(--c-primary); color: var(--c-white); }
.cap-body {
  flex: 1;
  background: var(--c-white);
  border-radius: 8px;
  padding: 12px 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 34px;
  font-size: 14px;
  color: var(--c-text-2);
  box-shadow: 0 2px 6px rgba(0,0,0,.05);
}
.cap-body span { display: inline-block; min-width: 90px; }

/* ERP 分类卡片（4 色卡） */
.cat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-bottom: 80px;
}
.cat-card {
  border-radius: 10px;
  padding: 30px 26px;
  color: var(--c-white);
  min-height: 330px;
  position: relative;
}
.cat-card h3 { font-size: 22px; font-weight: normal; letter-spacing: 6px; margin-bottom: 30px; }
.cat-card li { font-size: 14px; line-height: 2.1; opacity: .95; }
.cat-card img { position: absolute; right: 18px; bottom: 16px; width: 26px; opacity: .7; }
.cat-card:nth-child(1) { background: #0d3d74; }
.cat-card:nth-child(2) { background: #1467a8; }
.cat-card:nth-child(3) { background: #1d84c4; }
.cat-card:nth-child(4) { background: #3aa3d9; }

/* ERP 八大解决方案卡片 */
.solution-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  padding-bottom: 90px;
}
.solution-card { background: #fafafa; border: 1px solid var(--c-border); }
.solution-card .sol-head {
  position: relative;
  height: 46px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.solution-card .sol-head img { position: absolute; right: 12px; top: 8px; width: 30px; opacity: .9; }
.solution-card:nth-child(4n+1) .sol-head { background: #0d3d74; }
.solution-card:nth-child(4n+2) .sol-head { background: #1467a8; }
.solution-card:nth-child(4n+3) .sol-head { background: #1d84c4; }
.solution-card:nth-child(4n+4) .sol-head { background: #3aa3d9; }
.solution-card h3 {
  text-align: center;
  font-size: 18px;
  padding: 22px 0 10px;
}
.solution-card ul { padding: 0 24px 24px; text-align: center; }
.solution-card li { font-size: 13px; color: var(--c-text-2); line-height: 2; }

@media (max-width: 991px) {
  .page-banner { height: 260px; }
  .page-banner h1 { font-size: 28px; }
  .product-layout { flex-direction: column; }
  .side-nav { flex: none; width: 100%; }
  .cat-cards, .solution-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .cat-cards, .solution-cards { grid-template-columns: 1fr; }
  .cap-row { flex-direction: column; align-items: stretch; }
}

/* ---------- 12. 行业方案页组件 ---------- */

/* 痛点卡片 */
.pain-title { text-align: center; font-size: 24px; padding: 10px 0 34px; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-bottom: 80px;
}
.pain-item { text-align: center; }
.pain-item > img { height: 74px; margin: 0 auto 10px; }
.pain-item h3 { font-size: 17px; margin-bottom: 14px; }
.pain-card {
  background: #f7f7f7;
  padding: 24px 20px 30px;
  text-align: center;
}
.pain-card h4 { color: var(--c-primary); font-size: 17px; padding-bottom: 12px; margin-bottom: 14px; position: relative; }
.pain-card h4::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 28px; height: 3px;
  background: var(--c-primary);
}
.pain-card li { font-size: 13px; color: var(--c-text-2); line-height: 1.9; text-align: left; }

/* 系统简介（多边形浅蓝背景） */
.system-intro {
  background: url("../img/bg-poly.jpg") center/cover;
  padding: 70px 0;
}
.system-intro-head {
  display: flex;
  justify-content: center;
  gap: 90px;
  align-items: baseline;
  margin-bottom: 30px;
}
.system-intro-head h2 { color: var(--c-primary); font-size: 30px; }
.system-intro-head p { font-size: 26px; color: var(--c-text); font-weight: bold; }
.system-intro .intro-text { max-width: 980px; margin: 0 auto 40px; text-indent: 2em; color: var(--c-text-2); }
.system-intro .intro-actions { display: flex; justify-content: center; gap: 170px; }
.system-intro .intro-actions .btn { min-width: 190px; text-align: center; }

/* 六大核心模块（中心圆 + 两侧列表） */
.core-wrap { display: flex; align-items: center; justify-content: center; gap: 40px; padding: 10px 0 80px; }
.core-col { flex: 1; display: flex; flex-direction: column; gap: 34px; max-width: 420px; }
.core-item { display: flex; gap: 16px; align-items: flex-start; }
.core-item img { flex: 0 0 44px; height: 44px; }
.core-item h4 { text-align: center; font-size: 17px; line-height: 1.4; min-width: 76px; }
.core-item p { font-size: 13px; color: var(--c-text-2); }
.core-circle { flex: 0 0 260px; }
.core-circle img { width: 260px; }

/* 通用图标特性卡（圆角描边） */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 80px;
}
.feature-card {
  display: flex;
  gap: 18px;
  border: 1px solid #9fd0f0;
  border-radius: 12px;
  padding: 28px 24px;
  background: var(--c-white);
  transition: all .25s;
}
.feature-card:hover { box-shadow: 0 10px 24px rgba(5,117,191,.12); transform: translateY(-3px); }
.feature-card img { flex: 0 0 40px; height: 40px; margin-top: 4px; }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { font-size: 13px; color: var(--c-text-2); }

/* 其他产品 Tab */
.product-tabs { display: flex; gap: 30px; padding-bottom: 80px; }
.tab-list { flex: 0 0 220px; border: 1px solid var(--c-border); align-self: flex-start; }
.tab-list li {
  padding: 14px 20px;
  font-size: 15px;
  border-bottom: 1px solid var(--c-border);
  cursor: pointer;
  transition: all .2s;
}
.tab-list li:last-child { border-bottom: 0; }
.tab-list li.is-active { background: var(--c-primary); color: var(--c-white); }
.tab-panels { flex: 1; min-width: 0; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.tab-panel .panel-inner { display: flex; gap: 30px; align-items: flex-start; }
.tab-panel img { flex: 0 0 46%; width: 46%; min-width: 0; }
.tab-panel h3 { font-size: 22px; margin-bottom: 18px; color: var(--c-primary); }
.tab-panel p { color: var(--c-text-2); margin-bottom: 26px; }

/* 技术中心教程卡片 */
.tut-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.tut-tabs button {
  padding: 8px 22px;
  border: 1px solid var(--c-border);
  border-radius: 18px;
  font-size: 14px;
  color: var(--c-text-2);
  transition: all .2s;
}
.tut-tabs button.is-active { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-white); }
.tut-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  padding-bottom: 80px;
}
.tut-card {
  position: relative;
  border: 1px solid var(--c-border);
  overflow: hidden;
  cursor: pointer;
}
.tut-card { cursor: default; }
.tut-card .tut-poster { display: block; width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.tut-card.has-video { cursor: pointer; }
.tut-card .tut-play {
  position: absolute; top: calc(50% - 10px); left: 50%;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .35));
  transition: transform .2s;
}
.tut-card .tut-play img { width: 100%; height: 100%; display: block; }
.tut-card.has-video:hover .tut-play { transform: translate(-50%, -50%) scale(1.12); }

/* 视频弹窗 */
.video-modal { position: fixed; inset: 0; z-index: 999; display: flex; align-items: center; justify-content: center; padding: 24px; }
.video-modal[hidden] { display: none; }
.video-modal__mask { position: absolute; inset: 0; background: rgba(10, 18, 35, .82); }
.video-modal__box {
  position: relative; width: min(960px, 100%);
  background: #000; border-radius: 8px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}
.video-modal__box video { display: block; width: 100%; aspect-ratio: 16/9; background: #000; }
.video-modal__close {
  position: absolute; top: -46px; right: 0;
  width: 38px; height: 38px; border: 0; padding: 0;
  background: transparent; color: #fff; font-size: 32px; line-height: 38px; cursor: pointer;
}
.video-modal__title { margin: 0; padding: 12px 16px; background: var(--c-navy); color: #fff; font-size: 15px; }
.tut-card figcaption {
  padding: 10px 8px;
  font-size: 13px;
  text-align: center;
  color: var(--c-text-2);
}
.tut-card:hover { border-color: var(--c-primary); }
.tut-card:hover figcaption { color: var(--c-primary); }

@media (max-width: 991px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-cards { grid-template-columns: 1fr 1fr; }
  .core-wrap { flex-direction: column; }
  .core-col { max-width: none; }
  .product-tabs { flex-direction: column; }
  .tab-list { flex: none; }
  .tut-grid { grid-template-columns: repeat(3, 1fr); }
  .system-intro-head { flex-direction: column; gap: 8px; text-align: center; }
  .system-intro .intro-actions { gap: 40px; }
}
@media (max-width: 575px) {
  .pain-grid, .feature-cards { grid-template-columns: 1fr; }
  .tut-grid { grid-template-columns: repeat(2, 1fr); }
  .tab-panel .panel-inner { flex-direction: column; }
}

/* ---------- 13. 关于我们页 ---------- */
.company-intro { display: flex; gap: 50px; padding-bottom: 60px; }
.company-intro .intro-body { flex: 1; }
.company-intro .intro-body h2 { font-size: 34px; margin-bottom: 16px; }
.company-intro .intro-body h3 { color: var(--c-primary); font-size: 19px; margin-bottom: 26px; }
.company-intro .intro-body p { color: var(--c-text-2); margin-bottom: 16px; text-indent: 2em; }
.company-intro .intro-brand { flex: 0 0 350px; width: 350px; min-width: 0; }
.stats-row {
  display: flex;
  border-top: 1px solid var(--c-border);
  padding: 40px 0 70px;
}
.stats-row .stat {
  flex: 1;
  text-align: center;
  border-right: 1px solid var(--c-border);
}
.stats-row .stat:last-child { border-right: 0; }
.stats-row .num { font-size: 40px; color: var(--c-primary); font-weight: bold; }
.stats-row .stat p { margin-top: 6px; color: var(--c-text-2); }

.honors-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 26px;
  padding-bottom: 80px;
}
.honor-item { text-align: center; }
.honor-item img {
  width: 100%;
  border: 1px solid var(--c-border);
  transition: transform .25s, box-shadow .25s;
}
.honor-item img:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.honor-item figcaption { margin-top: 10px; font-size: 13px; color: var(--c-text-2); }

.contact-block { padding-bottom: 80px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 60px;
  background: var(--c-bg-light);
  padding: 46px 56px;
}
.contact-card .contact-info { flex: 1; }
.contact-card .contact-info li { margin-bottom: 12px; color: var(--c-text-2); }
.contact-card .contact-qr { flex: 0 0 340px; display: flex; align-items: center; gap: 20px; }
.contact-card .contact-qr img { width: 120px; height: 120px; }
.contact-card .contact-qr h4 { color: var(--c-primary); font-size: 18px; margin-bottom: 8px; }
.contact-card .contact-qr p { font-size: 13px; color: var(--c-text-2); }

/* ---------- 14. 表单 ---------- */
.appoint-layout {
  display: flex;
  gap: 20px;
  padding-bottom: 80px;
  align-items: stretch;
}
.appoint-intro {
  flex: 0 0 44%;
  border: 1px solid #9fd0f0;
  background: var(--c-white);
  display: flex;
  flex-direction: column;
}
.appoint-intro img { width: 100%; }
.appoint-intro .intro-slogan {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  font-size: 22px;
  padding: 30px;
}
.appoint-intro .intro-slogan strong { color: var(--c-primary); }
.appoint-form { flex: 1; border: 1px solid #9fd0f0; background: var(--c-white); }
.form-tabs { display: flex; }
.form-tabs button {
  flex: 1;
  padding: 15px 0;
  background: #6b6b6b;
  color: var(--c-white);
  font-size: 15px;
  transition: background .2s;
}
.form-tabs button.is-active { background: var(--c-primary); }
.form-body { padding: 34px 40px; }
.form-row { display: flex; align-items: flex-start; margin-bottom: 18px; }
.form-row label { flex: 0 0 110px; text-align: right; padding-top: 9px; font-size: 14px; }
.form-row label em { color: #e02020; font-style: normal; margin-right: 2px; }
.form-row input, .form-row textarea {
  flex: 1;
  border: 1px solid var(--c-border);
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--c-text);
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--c-primary); }
.form-row textarea { min-height: 110px; resize: vertical; }
.form-row .radio-group { display: flex; flex-wrap: wrap; gap: 8px 22px; padding-top: 9px; }
.form-row .radio-group label { flex: none; padding: 0; }
.form-tip { margin: -6px 0 18px 110px; font-size: 13px; color: var(--c-primary); }
.form-actions { text-align: center; margin-top: 26px; }
.form-actions .btn { min-width: 160px; border-radius: 4px; }

/* 合作伙伴支持 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 120px;
  padding-bottom: 80px;
  max-width: 1000px;
  margin: 0 auto;
}
.support-item {
  border: 1px solid var(--c-border);
  background: var(--c-white);
  padding: 30px 34px;
}
.support-item h3 { color: var(--c-primary); font-size: 19px; margin-bottom: 10px; }
.support-item p { font-size: 14px; color: var(--c-text-2); }

.req-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding-bottom: 80px;
}
.req-card { background: var(--c-bg-light); text-align: center; padding: 40px 24px; }
.req-card img { height: 78px; margin: 0 auto 20px; }
.req-card h3 { font-size: 18px; margin-bottom: 14px; }
.req-card p { font-size: 13px; color: var(--c-text-2); text-align: left; }

.coop-aside {
  flex: 0 0 44%;
  background: url("../img/bg-poly.jpg") center/cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px;
}
.coop-aside h3 { color: var(--c-primary); font-size: 34px; line-height: 1.6; margin-bottom: 20px; }
.coop-aside p { font-size: 15px; color: var(--c-text-2); }
.coop-aside strong { font-size: 34px; color: var(--c-text); margin-top: 6px; }

/* ---------- 15. 交付流程 ---------- */
.delivery { padding-bottom: 80px; }
.delivery-head { display: flex; align-items: baseline; gap: 30px; margin-bottom: 44px; }
.delivery-head h2 { font-size: 30px; }
.delivery-head p { color: var(--c-text-2); }
.steps { display: flex; gap: 14px; }
.step {
  flex: 1;
  border: 1px solid var(--c-border);
  background: #f7fbff;
  padding: 24px 16px;
  text-align: center;
  position: relative;
}
.step img { height: 40px; margin: 0 auto 12px; }
.step h3 { font-size: 17px; margin-bottom: 12px; }
.step p { font-size: 12px; color: var(--c-text-2); text-align: left; }
.step .step-no {
  position: absolute;
  top: -34px; left: 0; right: 0;
  font-size: 26px;
  font-weight: bold;
  color: var(--c-primary);
}
.step::before {
  content: "";
  position: absolute;
  top: -22px; right: -14px;
  width: 8px; height: 8px;
  border-top: 2px solid var(--c-primary);
  border-right: 2px solid var(--c-primary);
  transform: rotate(45deg);
}
.step:last-child::before { display: none; }
.step-loop {
  text-align: center;
  color: var(--c-primary);
  font-size: 20px;
  font-weight: bold;
  margin: 30px 0 46px;
}
.after-sales { display: flex; align-items: center; gap: 30px; }
.after-sales h3 { flex: 0 0 100px; font-size: 22px; }
.after-sales .as-cards { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.as-card { border: 1px solid var(--c-border); background: var(--c-white); padding: 18px; }
.as-card h4 { display: flex; align-items: center; gap: 10px; font-size: 16px; margin-bottom: 10px; }
.as-card h4 img { height: 22px; }
.as-card p { font-size: 12px; color: var(--c-text-2); }

/* 联系我们（留言） */
.message-layout { display: flex; gap: 20px; padding-bottom: 90px; align-items: stretch; }
.message-form { flex: 1; border: 1px solid var(--c-border); }
.message-form .form-head {
  background: var(--c-primary);
  color: var(--c-white);
  text-align: center;
  padding: 15px 0;
  font-size: 17px;
}
.message-form .form-body { padding: 40px; }
.message-aside { flex: 0 0 44%; }
.message-aside img { width: 100%; }
.contact-lines { background: #f2f2f2; padding: 22px; }
.contact-lines li {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--c-white);
  padding: 14px 18px;
  margin-bottom: 12px;
  font-size: 14px;
}
.contact-lines img { width: 40px; height: 40px; }

/* ---------- 16. 客户案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-bottom: 60px;
}
.case-card { background: var(--c-white); border: 1px solid var(--c-border); }
.case-card .case-img { position: relative; }
.case-card .case-img .case-tag {
  position: absolute;
  right: 0; bottom: 0;
  background: var(--c-primary);
  color: var(--c-white);
  font-size: 12px;
  padding: 3px 12px;
}
.case-card .case-body { padding: 18px; }
.case-card .case-body img { height: 30px; margin-bottom: 12px; }
.case-card .case-body p { font-size: 14px; min-height: 60px; }
.case-card .case-body .more { display: block; text-align: right; font-size: 13px; color: #b2b2b2; }
.case-card:hover { box-shadow: 0 10px 24px rgba(0,0,0,.1); }

@media (max-width: 991px) {
  .company-intro { flex-direction: column; }
  .honors-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-card { flex-direction: column; }
  .appoint-layout { flex-direction: column; }
  .support-grid { gap: 20px; }
  .req-cards { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-wrap: wrap; }
  .step { flex: 0 0 46%; margin-bottom: 44px; }
  .after-sales { flex-direction: column; align-items: stretch; }
  .after-sales .as-cards { grid-template-columns: repeat(2, 1fr); }
  .message-layout { flex-direction: column; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .req-cards, .case-grid { grid-template-columns: 1fr; }
  .stats-row { flex-wrap: wrap; }
  .stats-row .stat { flex: 0 0 50%; margin-bottom: 20px; border-right: 0; }
}

/* 为什么要客户化定制开发 */
.why-custom { background: var(--c-bg-light); padding: 60px 0; }
.why-custom-inner { display: flex; gap: 50px; align-items: center; }
.why-custom .why-photo { flex: 0 0 32%; width: 32%; min-width: 0; object-fit: cover; }
.why-custom .why-list { flex: 1; display: flex; flex-direction: column; gap: 26px; }

/* 顾问式专家服务横排卡片 */
.svc-strip { display: flex; gap: 16px; padding-bottom: 80px; }
.svc-card { flex: 1; }
.svc-card > img { width: 100%; height: 140px; object-fit: cover; }
.svc-card .svc-body { background: var(--c-primary); color: var(--c-white); text-align: center; padding: 22px 14px; }
.svc-card .svc-body h3 { font-size: 17px; margin-bottom: 10px; }
.svc-card .svc-body p { font-size: 13px; opacity: .92; }

@media (max-width: 991px) {
  .why-custom-inner { flex-direction: column; }
  .svc-strip { flex-wrap: wrap; }
  .svc-card { flex: 0 0 46%; }
}
@media (max-width: 575px) {
  .svc-card { flex: 0 0 100%; }
}

/* ---------- 17. 表单提交反馈与验证码 ---------- */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.form-error {
  margin: 10px 0 0;
  font-size: 13px;
  color: #d93025;
}
.form-captcha {
  margin-top: 14px;
  padding: 14px;
  background: var(--c-bg-light);
  border: 1px solid var(--c-border);
  border-radius: 6px;
}
.form-captcha[hidden] { display: none; }
.cap-row { display: flex; align-items: center; gap: 10px; }
.cap-img {
  height: 42px;
  border-radius: 4px;
  cursor: pointer;
  flex: 0 0 auto;
}
.cap-row input {
  flex: 1;
  min-width: 0;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 14px;
}
.cap-row input:focus { border-color: var(--c-primary); outline: none; }
.cap-refresh {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: var(--c-white);
  font-size: 18px;
  color: var(--c-text-2);
  cursor: pointer;
}
.cap-refresh:hover { color: var(--c-primary); border-color: var(--c-primary); }
.cap-msg { margin: 8px 0 0; font-size: 12px; color: var(--c-text-3); }
.form-done {
  text-align: center;
  padding: 36px 20px;
}
.form-done strong {
  display: block;
  font-size: 20px;
  color: var(--c-primary);
  margin-bottom: 10px;
}
.form-done p { color: var(--c-text-2); margin: 4px 0; }
.form-done-tip { font-size: 13px; color: var(--c-text-3); }