/*
Theme Name: XHX 信铧星企业主题
Theme URI: https://www.xhx.com
Description: 苏州信铧星信息技术有限公司官网主题，专业企业级设计
Author: XHX Team
Version: 1.0
*/

/* ===== 重置与基础样式 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #c0392b;
  --red-dark: #a93226;
  --red-light: #e74c3c;
  --gray-dark: #222;
  --gray-mid: #555;
  --gray-light: #888;
  --bg-light: #fff;
  --white: #fff;
  --border: #e5e5e5;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --radius: 6px;
  --font: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', sans-serif;
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--gray-dark); background: var(--white); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (max-width: 480px) {
  .container { padding: 0 14px; }
}
.section-padding { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2rem; font-weight: 700; color: var(--gray-dark); margin-bottom: 12px; }
.section-title p { color: var(--gray-light); font-size: 1rem; max-width: 560px; margin: 0 auto; }
.section-title .line { width: 50px; height: 3px; background: var(--red); margin: 14px auto 0; border-radius: 2px; }
.btn { display: inline-block; padding: 12px 32px; border-radius: var(--radius); font-size: 0.95rem; font-weight: 600; transition: var(--transition); cursor: pointer; border: none; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(192,57,43,0.35); }
.btn-outline { border: 2px solid var(--red); color: var(--red); background: transparent; }
.btn-outline:hover { background: var(--red); color: #fff; }

/* ===== 布局：固定顶栏 + 固定左侧边栏 + 主内容区 ===== */
#site-header.app-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1001;
  height: 56px; min-height: 56px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-bottom: 1px solid #e5eaf0;
}
.app-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: 100%; padding: 0 24px;
}
.site-logo.app-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; border: none !important; box-shadow: none !important;
}
.site-logo.app-logo:hover { opacity: 0.9; }
.app-logo .logo-icon-img { height: 40px; width: auto; }
.app-logo .logo-text { font-size: 1.1rem; font-weight: 600; color: #0d47a1; white-space: nowrap; }
.app-logo .logo-text--short { display: none; }
.app-topbar-right {
  display: flex; align-items: center; gap: 16px;
}
.app-topbar-link {
  font-size: 0.9rem; color: #1565c0; font-weight: 500;
  padding: 6px 14px; border-radius: var(--radius);
  transition: var(--transition);
}
.app-topbar-link:hover { background: rgba(21, 101, 192, 0.12); color: #0d47a1; }
.app-top-nav ul {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.app-top-nav > ul > li {
  position: relative;
}
.app-top-nav > ul > li > a {
  font-size: 0.9rem;
  color: #1565c0;
  padding: 0;
  border-radius: 4px;
  text-decoration: none;
  transition: var(--transition);
}
.app-top-nav > ul > li > a:hover {
  background: rgba(21,101,192,0.12);
  color: #0d47a1;
}
.app-top-nav .sub-nav {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 120px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  border-radius: 4px;
  padding: 6px 0;
  list-style: none;
  display: none;
  z-index: 1002;
}
.app-top-nav .sub-nav li a {
  display: block;
  padding: 6px 14px;
  font-size: 0.88rem;
  color: #1565c0;
  text-decoration: none;
}

.app-top-nav .sub-nav li a:hover {
  background: rgba(21,101,192,0.06);
}
.app-top-nav > ul > li:hover > .sub-nav {
  display: block;
}

.app-search-form {
  position: relative;
}
.app-search-input {
  width: 180px;
  padding: 6px 28px 6px 10px;
  border-radius: 16px;
  border: 1px solid rgba(21,101,192,0.25);
  background: rgba(255,255,255,0.7);
  font-size: 0.86rem;
  color: #1565c0;
  outline: none;
  transition: var(--transition);
}
.app-search-input::placeholder {
  color: rgba(21,101,192,0.5);
}
.app-search-input:focus {
  background: #fff;
  border-color: #1565c0;
  box-shadow: 0 0 0 2px rgba(21,101,192,0.15);
}
.app-menu-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 8px;
  background: transparent; border: none; border-radius: var(--radius);
  cursor: pointer; transition: var(--transition);
}
.app-menu-toggle span {
  display: block; width: 22px; height: 2px; background: #1565c0; transition: var(--transition);
}

.app-layout { position: relative; }

.app-sidebar {
  position: fixed; left: 0; top: 56px; bottom: 0; z-index: 1000;
  width: 220px;
  background: linear-gradient(180deg, #1565c0 0%, #0d47a1 100%);
  box-shadow: 2px 0 12px rgba(0,0,0,0.1);
  overflow-y: auto;
}
.app-sidebar-menu {
  padding: 16px 0; list-style: none;
}
.app-sidebar-menu > li { margin: 0; }
.app-sidebar-menu > li > a {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; font-size: 0.95rem; font-weight: 500;
  color: rgba(255,255,255,0.9);
  text-decoration: none !important; border: none !important;
  transition: var(--transition); border-left: 3px solid transparent;
}
.app-sidebar-menu > li > a:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.app-sidebar-menu > li.current-menu-item > a {
  background: rgba(255,255,255,0.2);
  color: #fff;
  border-left-color: #fff;
}
.app-sidebar .nav-icon { font-size: 0.7em; opacity: 0.9; }
.app-sidebar .sub-menu {
  position: static; transform: none; box-shadow: none;
  background: rgba(0,0,0,0.15); border-radius: 0;
  min-width: 0; opacity: 1; visibility: visible; pointer-events: auto;
  padding: 4px 0 8px 0; margin: 0 0 4px 0; border: none;
  border-left: 3px solid transparent;
}
.app-sidebar .sub-menu li { border-bottom: none; }
.app-sidebar .sub-menu li a {
  display: block; padding: 8px 20px 8px 36px; font-size: 0.88rem;
  color: rgba(255,255,255,0.85); white-space: nowrap;
  text-decoration: none !important; border: none !important;
}
.app-sidebar .sub-menu li a:hover { color: #fff; background: rgba(255,255,255,0.1); padding-left: 40px; }
.app-sidebar .sub-menu li.current-menu-item a { color: #fff; font-weight: 600; }

.app-main {
  margin-left: 0;
  padding-top: 56px;
  min-height: 100vh;
  background: #f5f7fa;
}
.app-main .container { background: transparent; }

/* 主内容区内原有区块不再需要为顶栏留 margin */
#hero { margin-top: 0; }

/* ===== 英雄横幅 ===== */
#hero {
  position: relative; overflow: hidden;
  height: calc(100vh - 56px); min-height: 420px; max-height: 700px;
}
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide .overlay { display: none; }
.hero-content {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  text-align: center; color: #fff; width: 100%; padding: 0 20px;
}
.hero-content h1 { font-size: 3rem; font-weight: 800; margin-bottom: 16px; text-shadow: 0 2px 10px rgba(0,0,0,0.4); }
.hero-content p { font-size: 1.15rem; margin-bottom: 32px; opacity: 0.92; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
/* 轮播指示点 */
.hero-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: var(--transition); }
.hero-dot.active { background: var(--red); transform: scale(1.3); }
/* 轮播箭头 */
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5); color: #fff; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: var(--transition); z-index: 10;
}
.hero-arrow:hover { background: var(--red); border-color: var(--red); }
.hero-arrow.prev { left: 30px; }
.hero-arrow.next { right: 30px; }

/* ===== 数字统计 ===== */
#stats { background: var(--red); color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-item h3 { font-size: 2.5rem; font-weight: 800; margin-bottom: 6px; }
.stat-item h3 span { font-size: 1.2rem; }
.stat-item p { font-size: 0.9rem; opacity: 0.85; }

/* ===== 关于我们 ===== */
#about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { position: relative; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.about-image img { width: 100%; height: 420px; object-fit: cover; }
.about-badge {
  position: absolute; bottom: -20px; right: -20px;
  width: 120px; height: 120px; background: var(--red); border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 8px 25px rgba(192,57,43,0.4);
}
.about-badge strong { font-size: 2rem; font-weight: 800; line-height: 1; }
.about-badge span { font-size: 0.75rem; }
.about-content h2 { font-size: 1.9rem; font-weight: 700; margin-bottom: 16px; }
.about-content .subtitle { color: var(--red); font-size: 0.9rem; font-weight: 600; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 2px; }
.about-content p { color: var(--gray-mid); margin-bottom: 20px; line-height: 1.9; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
.about-feature { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--gray-mid); }
.about-feature::before { content: '✓'; color: var(--red); font-weight: 700; }

/* ===== 软件开发 ===== */
#services { background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: #fff; border-radius: 10px; padding: 36px 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: var(--transition);
  border-bottom: 3px solid transparent; text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-bottom-color: var(--red); }
.service-icon { font-size: 2.8rem; margin-bottom: 18px; }
.service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; color: var(--gray-dark); }
.service-card p { color: var(--gray-light); font-size: 0.9rem; line-height: 1.8; }

/* ===== 解决方案总览页 ===== */
/* 顶图：固定 100% × 200px；fill=整张图压满区域、不裁切、不留边（比例与框不一致时会轻微拉伸） */
.solutions-page-banner {
  width: 100%;
  line-height: 0;
  background: #fff;
}
.solutions-page-banner img {
  width: 100%;
  height: 200px;
  display: block;
  object-fit: fill;
}

.solutions-overview {
  padding: 48px 0 100px;
  background: var(--bg-light);
}
.solutions-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.solutions-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #fff;
  border-radius: 10px;
  padding: 36px 24px 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  color: inherit;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  margin: 0;
}
.solutions-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-bottom-color: #1565c0;
}
/* 解决方案：无外圈底色；悬停不加红底，仅圆形容器裁切 + 图片轻微放大 */
.solutions-card .whatwedo-icon {
  margin: 0 auto 26px;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
  transition: border-radius 0.28s ease;
}
.solutions-card .whatwedo-icon img {
  width: 180px;
  height: 180px;
  max-width: min(100%, 180px);
  object-fit: contain;
  transition: transform 0.28s ease;
}
.solutions-card:hover .whatwedo-icon {
  background: transparent;
  box-shadow: none;
  border-radius: 50%;
  overflow: hidden;
}
.solutions-card:hover .whatwedo-icon img {
  transform: scale(1.02);
}
.solutions-card .whatwedo-icon .solutions-card-icon-link {
  display: inline-block;
  line-height: 0;
  text-decoration: none;
  color: inherit;
}
.solutions-card .whatwedo-icon .solutions-card-icon-link:focus-visible {
  outline: 2px solid #1565c0;
  outline-offset: 4px;
  border-radius: 50%;
}
/* 与首页「我们做什么」同款：红标题 + 灰列表虚线分隔 */
.solutions-card h3,
.solutions-card .solutions-card-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ff0000;
  margin: 0 0 22px;
  letter-spacing: 2px;
}
.solutions-card .solutions-card-title-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}
.solutions-card .solutions-card-title-link:hover {
  border-bottom-color: rgba(255, 0, 0, 0.45);
}
.solutions-card .solutions-card-title-link:focus-visible {
  outline: 2px solid #1565c0;
  outline-offset: 3px;
  border-radius: 2px;
}
.solutions-card .whatwedo-list {
  flex-grow: 1;
  align-self: stretch;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: center;
}
.solutions-card .whatwedo-list li {
  font-size: 1.08rem;
  color: #555;
  padding: 10px 0;
  border-bottom: 1px dashed #e8e8e8;
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.solutions-card .whatwedo-list li:last-child {
  border-bottom: none;
}
.solutions-card .whatwedo-list li:hover {
  color: var(--red);
  padding-left: 8px;
}
@media (max-width: 900px) {
  .solutions-cards { grid-template-columns: 1fr; }
}

/* ===== 合作报价页（报价卡片） ===== */
.quote-page-hero-banner {
  width: 100%;
  line-height: 0;
}
.quote-page-hero-banner img {
  width: 100%;
  height: 220px;
  display: block;
  object-fit: fill;
  object-position: center center;
}
.quote-sub-page {
  padding-bottom: 48px;
}

/* 仅对读屏可见（区块仍有上方 H1「模版报价」作页面标题） */
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== 模版报价：三档套餐卡片（与营销页定价区块一致） ===== */
.template-quote-pricing {
  padding: 20px 0 72px;
  background: #f4f7fb;
}
.template-quote-pricing-inner {
  max-width: 1160px;
}
.tq-lead {
  margin: 0 auto 40px;
  max-width: 920px;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #666;
}
.tq-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}
.tq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px 28px;
  background: #fff;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
  border: 1px solid transparent;
  cursor: default;
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.2s ease;
}
/* 当前未激活的卡片悬停时轻微上浮（徽标由 JS 切换到该卡） */
.tq-card:not(.tq-card--hot):hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.09);
  z-index: 2;
}
.tq-card--hot {
  border-color: #1565c0;
  box-shadow: 0 4px 20px rgba(21, 101, 192, 0.12);
  padding-top: 28px;
}
.tq-card--hot:hover {
  transform: none;
  box-shadow: 0 4px 20px rgba(21, 101, 192, 0.12);
}
.tq-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: #1565c0;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}
.tq-card--hot .tq-badge {
  opacity: 1;
  visibility: visible;
}
.tq-tier {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #222;
}
.tq-audience {
  margin: 0 0 18px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #888;
}
.tq-features {
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.tq-features li {
  margin: 0;
  padding: 11px 8px;
  font-size: 0.9rem;
  color: #333;
  line-height: 1.45;
  border-bottom: 1px solid #eee;
}
.tq-features li:last-child {
  border-bottom: none;
}

/* 模版报价：服务说明 + 底部双按钮（文案来自 Customizer JSON） */
.tq-after-cards {
  margin-top: 44px;
}
.tq-service-note {
  background: #fff;
  border-radius: 10px;
  padding: 28px 26px 30px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
  text-align: left;
}
.tq-sn-title {
  margin: 0 0 22px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #222;
}
.tq-sn-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.tq-sn-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.tq-sn-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.tq-sn-icon--ok {
  background: #27ae60;
}
.tq-sn-icon--no {
  background: #e74c3c;
}
.tq-sn-text {
  margin: 0;
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.65;
  color: #444;
}
.tq-cta-band {
  margin-top: 32px;
  padding-top: 36px;
  border-top: 1px solid #e4e9f0;
  text-align: center;
}
.tq-service-note + .tq-cta-band {
  margin-top: 36px;
}
.tq-cta-lead {
  margin: 0 0 22px;
  font-size: 1rem;
  line-height: 1.65;
  color: #555;
}
.tq-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
  overflow: visible;
}
.tq-cta-btn {
  display: inline-block;
  padding: 11px 28px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff !important;
  background: #1a73e8;
  text-decoration: none !important;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.tq-cta-btn:hover {
  background: #1557b0;
  color: #fff !important;
  transform: translateY(-1px);
}

/* 模版报价：「查看全部模板案例」悬停预览浮窗 */
.tq-template-preview {
  position: relative;
  display: inline-block;
}
.tq-template-preview-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  z-index: 120;
  width: min(360px, calc(100vw - 32px));
  padding: 10px 12px 12px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(21, 101, 192, 0.18);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.12);
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow: visible;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.tq-template-preview-popover::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 14px;
}
.tq-template-preview.is-open .tq-template-preview-popover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.tq-template-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8edf3;
}
.tq-template-preview-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #333;
}
.tq-template-preview-all {
  font-size: 0.78rem;
  font-weight: 600;
  color: #1a73e8;
  text-decoration: none !important;
}
.tq-template-preview-all:hover {
  color: #1557b0;
  text-decoration: underline !important;
}
.tq-template-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  overflow: visible;
}
.tq-template-preview-item {
  display: block;
  margin-bottom: 0;
  border-radius: 4px;
  overflow: hidden;
  line-height: 0;
  background: #f0f3f8;
  border: 1px solid #e4e9f0;
  box-shadow: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.tq-template-preview-item:hover {
  border-color: rgba(26, 115, 232, 0.45);
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.15);
  transform: translateY(-1px);
}
.tq-template-preview-item img {
  width: 100%;
  height: 56px;
  display: block;
  object-fit: cover;
  object-position: top center;
}

@media (max-width: 540px) {
  .tq-template-preview-popover {
    width: min(300px, calc(100vw - 24px));
  }
  .tq-template-preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tq-template-preview-item img {
    height: 52px;
  }
  .tq-cta-btns {
    flex-direction: column;
  }
}
@media (max-width: 960px) {
  .tq-cards {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
}

/* ===== 集成报价子页（JSON：pillars / advantages / process / notice / cta） ===== */
.integration-quote .iq-lead {
  margin-bottom: 36px;
}
.iq-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}
.iq-pillar-card {
  background: #fff;
  border-radius: 10px;
  padding: 22px 20px 24px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
  text-align: left;
}
.iq-pillar-title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #222;
  line-height: 1.45;
}
.iq-pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.iq-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #1565c0;
  background: rgba(21, 101, 192, 0.09);
}
.iq-pillar-body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #555;
}
.iq-advantages {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid #e4e9f0;
}
.integration-quote .iq-section-title {
  margin: 0 0 24px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #222;
  text-align: center;
}
.iq-adv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.iq-adv-item {
  background: #fff;
  border-radius: 10px;
  padding: 18px 18px 20px;
  border: 1px solid #e8ecf1;
}
.iq-adv-item-title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: #1565c0;
}
.iq-adv-item-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: #444;
}
.iq-process {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid #e4e9f0;
}
.iq-process-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: iqstep;
}
.iq-process-step {
  position: relative;
  padding: 10px 18px 10px 40px;
  background: #fff;
  border-radius: 999px;
  border: 1px solid rgba(21, 101, 192, 0.28);
  font-size: 0.92rem;
  font-weight: 600;
  color: #333;
  counter-increment: iqstep;
}
.iq-process-step::before {
  content: counter(iqstep);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #1565c0;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.integration-quote .iq-notice {
  margin-top: 44px;
}
.integration-quote .iq-notice-main-title {
  text-align: left;
}
.integration-quote .iq-cta-band {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid #e4e9f0;
}
@media (max-width: 960px) {
  .iq-pillars {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .iq-adv-grid {
    grid-template-columns: 1fr;
  }
  .iq-process-steps {
    flex-direction: column;
    align-items: stretch;
  }
}

/* 报价子页：标题区全宽白底，英文标题左右不露灰底 */
.quote-sub-title-band {
  width: 100%;
  background: #fff;
}
.quote-sub-about-heading {
  background: transparent;
}
.quote-page-title-wrap {
  background: #fff;
  padding: 72px 20px 44px;
}
.quote-page-title-inner {
  max-width: 960px;
  margin: 0 auto;
}
.quote-heading-en-row {
  text-align: center;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
}
.quote-heading-en-text {
  margin: 0;
  padding: 0;
  font-family: 'Risque', Georgia, 'Times New Roman', serif;
  font-size: 35px;
  font-weight: 400;
  font-style: italic;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.quote-page--structured {
  padding: 0 0 72px;
  background: #f4f7fb;
}
.quote-page-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 20px 0;
}
.quote-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}
.quote-service-card {
  background: #fff;
  border-radius: 14px;
  padding: 22px 20px 26px;
  box-shadow: 0 4px 18px rgba(15, 35, 95, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.04);
}
a.quote-service-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
a.quote-service-card--link:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(15, 35, 95, 0.14);
}
.quote-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.quote-service-card--compact .quote-card-head {
  margin-bottom: 0;
}
.quote-card-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #1565c0;
  position: relative;
  box-shadow: 0 2px 8px rgba(21, 101, 192, 0.35);
}
.quote-card-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: #fff;
}
.quote-card-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}
.quote-card-body {
  padding-top: 4px;
}
.quote-card-line {
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #555;
}
.quote-card-line:last-child {
  margin-bottom: 0;
}
.quote-card-visual {
  margin-top: 18px;
  border-radius: 10px;
  overflow: hidden;
  line-height: 0;
  background: #eef3f9;
  /* 固定可视高度，四卡配图底边对齐 */
  height: 200px;
}
.quote-card-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
@media (max-width: 1100px) {
  .quote-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .quote-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 我们做什么 ===== */
.section-whatwedo {
  position: relative; padding: 110px 0; background: #fff; overflow: hidden;
}

/* 标题 */
.whatwedo-title {
  display: flex; align-items: center; gap: 24px;
  justify-content: center; margin-bottom: 70px;
}
.whatwedo-title-line {
  flex: 1; max-width: 240px; height: 2px;
  background: linear-gradient(to right, transparent, #333);
}
.whatwedo-title-line:last-child {
  background: linear-gradient(to left, transparent, #333);
}
.whatwedo-title-text { text-align: center; flex-shrink: 0; }
.whatwedo-title-text h2 {
  font-size: 2.8rem; font-weight: 800; color: #FF0000;
  margin: 0; letter-spacing: 6px;
}
.whatwedo-title-text span {
  display: block; font-size: 1.1rem; color: #999; letter-spacing: 4px; margin-top: 6px;
}
/* 三列网格 */
.whatwedo-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px;
}
.whatwedo-item {
  text-align: center; padding: 20px 30px 40px;
  transition: var(--transition);
}
.whatwedo-item:hover { transform: translateY(-8px); }
/* 圆形图标 */
.whatwedo-icon {
  width: 180px; height: 180px; border-radius: 50%;
  background: #3a3a3a;
  margin: 0 auto 30px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  box-shadow: 0 10px 34px rgba(0,0,0,0.22);
  transition: var(--transition);
}
.whatwedo-item:hover .whatwedo-icon {
  background: #c0392b;
  box-shadow: 0 16px 42px rgba(192,57,43,0.45);
}
.whatwedo-icon img {
  width: 110px; height: 110px; object-fit: contain;
}
.whatwedo-item h3 {
  font-size: 1.6rem; font-weight: 700; color: #FF0000;
  margin-bottom: 22px; letter-spacing: 2px;
}
.whatwedo-list {
  list-style: none; padding: 0;
}
.whatwedo-list li {
  font-size: 1.08rem; color: #555; padding: 10px 0;
  border-bottom: 1px dashed #e8e8e8; letter-spacing: 0.5px;
  transition: var(--transition);
}
.whatwedo-list li:last-child { border-bottom: none; }
.whatwedo-list li:hover { color: var(--red); padding-left: 8px; }
@media (max-width: 1024px) {
  .whatwedo-grid { grid-template-columns: 1fr; gap: 30px; }
  .whatwedo-title-line { display: none; }
  .whatwedo-title-text h2 { font-size: 2rem; }
}

/* ===== 我们的优势 ===== */
.section-advantage { background: #fff; padding: 110px 0; }
.advantage-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 80px; align-items: center;
}
.advantage-img img {
  width: 100%; max-width: 520px; display: block; margin: 0 auto;
}
.advantage-list { display: flex; flex-direction: column; gap: 0; }
.advantage-item {
  padding: 26px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: var(--transition);
}
.advantage-item:last-child { border-bottom: none; }
.advantage-item:hover { padding-left: 10px; }
.advantage-item h4 {
  font-size: 1.4rem; font-weight: 700; color: #FF0000;
  margin-bottom: 10px; letter-spacing: 2px;
}
.advantage-item p {
  font-size: 1.05rem; color: #555; line-height: 1.95;
}
@media (max-width: 1024px) {
  .advantage-grid { grid-template-columns: 1fr; gap: 30px; }
  .advantage-img img { max-width: 320px; }
}

/* ===== 营销策划 ===== */
#marketing { background: #fff; }
.marketing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.marketing-content h2 { font-size: 1.9rem; font-weight: 700; margin-bottom: 16px; }
.marketing-content .subtitle { color: var(--red); font-size: 0.9rem; font-weight: 600; margin-bottom: 10px; letter-spacing: 2px; }
.marketing-content p { color: var(--gray-mid); line-height: 1.9; margin-bottom: 20px; }
.marketing-list { margin: 24px 0 32px; }
.marketing-list li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.marketing-list li:last-child { border-bottom: none; }
.m-icon { width: 42px; height: 42px; background: #fff5f5; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.m-text h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.m-text p { font-size: 0.85rem; color: var(--gray-light); }
.marketing-image { border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.marketing-image img { width: 100%; height: 400px; object-fit: cover; }

/* ===== 成功案例 ===== */
#cases { background: var(--bg-light); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border-radius: 10px; overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-thumb { position: relative; overflow: hidden; }
.case-thumb img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.4s ease; }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--red); color: #fff; padding: 4px 12px;
  border-radius: 20px; font-size: 0.78rem; font-weight: 600;
}
.case-body { padding: 22px; }
.case-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.case-body p { color: var(--gray-light); font-size: 0.88rem; margin-bottom: 14px; }
.case-meta { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--gray-light); }
.case-meta span { color: var(--red); font-weight: 600; margin-left: auto; cursor: pointer; }
.case-meta span:hover { text-decoration: underline; }

/* ===== 技术实力 ===== */
#tech { background: #fff; }
.tech-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.tech-tab {
  padding: 10px 24px; border-radius: 24px; font-size: 0.9rem; font-weight: 600;
  border: 2px solid var(--border); cursor: pointer; transition: var(--transition); color: var(--gray-mid);
}
.tech-tab.active, .tech-tab:hover { background: var(--red); border-color: var(--red); color: #fff; }
.tech-content { display: none; }
.tech-content.active { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tech-item {
  text-align: center; padding: 30px 20px; border-radius: 10px;
  border: 1px solid var(--border); transition: var(--transition);
}
.tech-item:hover { border-color: var(--red); box-shadow: 0 4px 20px rgba(192,57,43,0.1); }
.tech-item .tech-icon { font-size: 2.5rem; margin-bottom: 14px; }
.tech-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.tech-item p { font-size: 0.82rem; color: var(--gray-light); }

/* ===== 为什么选择我们 ===== */
#why-us { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); color: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.why-item { text-align: center; padding: 30px 20px; }
.why-num { font-size: 3rem; font-weight: 900; color: var(--red); line-height: 1; margin-bottom: 8px; }
.why-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.why-item p { font-size: 0.88rem; opacity: 0.75; line-height: 1.8; }

/* ===== 客户评价 ===== */
#testimonials { background: var(--bg-light); }
.testimonials-slider { position: relative; overflow: hidden; }
.testimonials-track { display: flex; transition: transform 0.5s ease; }
.testimonial-item {
  min-width: 100%; padding: 0 40px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
  background: #fff; border-radius: 10px; padding: 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); position: relative;
}
.testimonial-card::before {
  content: '"'; position: absolute; top: 16px; right: 20px;
  font-size: 5rem; color: #f0f0f0; font-family: Georgia; line-height: 1;
}
.t-stars { color: #f39c12; font-size: 1rem; margin-bottom: 14px; }
.t-text { color: var(--gray-mid); font-size: 0.9rem; line-height: 1.8; margin-bottom: 20px; }
.t-author { display: flex; align-items: center; gap: 12px; }
.t-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--red); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 1.1rem; }
.t-info h4 { font-size: 0.9rem; font-weight: 700; }
.t-info span { font-size: 0.8rem; color: var(--gray-light); }

/* ===== 合作伙伴 ===== */
#partners { background: #fff; padding: 60px 0; }
.partners-title { text-align: center; font-size: 1rem; color: var(--gray-light); margin-bottom: 36px; letter-spacing: 2px; }
.partners-logos { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.partner-logo {
  padding: 12px 24px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 1rem; font-weight: 700; color: var(--gray-light); letter-spacing: 1px;
  transition: var(--transition); cursor: default;
}
.partner-logo:hover { border-color: var(--red); color: var(--red); }

/* ===== 联系我们 ===== */
#contact { background: var(--bg-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 14px; }
.contact-info .subtitle { color: var(--red); font-size: 0.9rem; margin-bottom: 20px; }
.contact-info p { color: var(--gray-mid); margin-bottom: 30px; line-height: 1.9; }
.contact-items { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.c-icon { width: 44px; height: 44px; background: var(--red); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; flex-shrink: 0; }
.c-text h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 3px; }
.c-text p { font-size: 0.88rem; color: var(--gray-mid); }
.contact-form { background: #fff; border-radius: 10px; padding: 36px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--gray-dark); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 0.9rem; font-family: var(--font); transition: var(--transition); outline: none;
  background: #fafafa;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--red); background: #fff; box-shadow: 0 0 0 3px rgba(192,57,43,0.08); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ===== 联系我们（新版） ===== */
.section-contact { background: #fff; padding: 80px 0; }
.contact-new-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.10); border-radius: 10px; overflow: hidden;
}

/* 左：表单 */
.contact-form-box {
  padding: 50px 44px; background: #fff;
}
.contact-form-box .form-group { margin-bottom: 18px; }
.contact-form-box label {
  display: block; font-size: 0.92rem; color: #333;
  margin-bottom: 6px; font-weight: 500;
}
.contact-form-box .req { color: var(--red); }
.contact-form-box input,
.contact-form-box textarea {
  width: 100%; padding: 10px 14px;
  border: 1px solid #ccc; border-radius: 4px;
  font-size: 0.92rem; font-family: var(--font);
  outline: none; transition: var(--transition); background: #fff;
}
.contact-form-box input:focus,
.contact-form-box textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(192,57,43,0.08); }
.contact-form-box textarea { resize: vertical; min-height: 100px; }
.btn-submit-contact {
  display: inline-block; padding: 11px 36px;
  background: #1a6ab1; color: #fff; border: none;
  border-radius: 4px; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: var(--transition); font-family: var(--font);
}
.btn-submit-contact:hover { background: #155a9a; transform: translateY(-1px); }

/* 右：联系方式信息框 */
.contact-info-box {
  position: relative; overflow: hidden;
  background-color: #5a5a5a;
  background-image: url(images/bg.png);
  background-size: cover;
  background-position: center center;
}
/* 背景图上的灰色半透明遮罩 */
.contact-info-box::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(90, 90, 90, 0.55);
  pointer-events: none;
}
.contact-info-inner {
  position: relative; z-index: 1;
  padding: 50px 44px; color: #fff; height: 100%;
}
.contact-info-inner h3 {
  font-size: 1.8rem; font-weight: 800; color: #FF0000;
  margin-bottom: 10px;
}
.contact-info-sub {
  font-size: 0.95rem; margin-bottom: 24px; opacity: 0.9;
}
.contact-company {
  font-size: 1rem; font-weight: 700; margin-bottom: 22px;
  padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.25);
}
.contact-persons {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px;
}
.contact-person-col p {
  font-size: 0.88rem; margin-bottom: 10px; opacity: 0.92; line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-person-col span { opacity: 0.7; }
.contact-info-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  object-fit: contain;
  display: block;
}
.contact-address {
  font-size: 0.88rem; padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.25);
  opacity: 0.92;
}
.contact-address span { opacity: 0.7; }

@media (max-width: 1024px) {
  .contact-new-grid { grid-template-columns: 1fr; }
  .contact-form-box { padding: 34px 24px; }
  .contact-info-inner { padding: 34px 24px; }
  .contact-persons { grid-template-columns: 1fr; }
}

/* ===== 页脚 ===== */
#site-footer { background: #fff; border-top: 1px solid #e8e8e8; }

/* 上部 */
.footer-main { background: #fff; padding: 40px 0 32px; }
.footer-inner {
  display: flex; align-items: center;
  justify-content: center; gap: 80px;
}

/* 链接组（两列并排） */
.footer-links-group {
  display: flex; gap: 50px; align-items: stretch;
}

/* 链接列 */
.footer-links-col {
  display: flex; align-items: center;
}
.footer-links-col ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; justify-content: space-between;
  height: 100%;
}
.footer-links-col ul li { margin: 0; }
.footer-links-col ul li a {
  font-size: 0.9rem; color: #333;
  transition: var(--transition); display: block; padding: 2px 0;
  white-space: nowrap;
}
.footer-links-col ul li a:hover { color: var(--red); padding-left: 5px; }
.footer-link-active { color: var(--red) !important; font-weight: 600; }

/* 二维码组（两个并排） */
.footer-qrcode-group {
  display: flex; gap: 20px; align-items: center;
}

/* 单个二维码 */
.footer-qrcode {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.footer-qrcode img {
  width: 110px; height: 110px;
  display: block; border-radius: 4px;
  border: 1px solid #e0e0e0;
}
.footer-qrcode p {
  font-size: 0.78rem; color: #999; text-align: center; margin: 0;
}

/* 底部版权栏 */
.footer-bottom {
  width: 100%;
  background: rgba(238, 238, 238, 0.93);
  padding: 14px 0; text-align: center;
  border-top: 1px solid #e8e8e8;
  box-sizing: border-box;
  height: 117px;
}
.footer-bottom p { font-size: 0.85rem; color: #334155;margin-top: 40px; }

@media (max-width: 1024px) {
  .footer-inner { flex-direction: column; align-items: center; gap: 36px; }
  .footer-links-group { gap: 30px; }
}

/* ===== 侧导航（下滑后显示） ===== */
.rtbar {
  position: fixed; right: 0; top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, right 0.3s ease;
}
.rtbar.visible {
  opacity: 1;
  visibility: visible;
}
.rtbar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  box-shadow: -4px 0 20px rgba(0,0,0,0.08);
  border-radius: 8px 0 0 8px;
  overflow: hidden;
}
.rtbar-item a {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 16px 14px 20px;
  background: rgba(255,255,255,0.98);
  color: var(--gray-dark);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  min-width: 120px;
  box-sizing: border-box;
}
.rtbar-item:last-child a { border-bottom: none; }
.rtbar-item a:hover {
  background: var(--red);
  color: #fff;
  padding-right: 22px;
}
.rtbar-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rtbar-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rtbar-gotop .rtbar-icon svg {
  stroke-width: 2;
}
/* iPad 屏幕下微调侧边栏位置，避免遮挡 */
@media (min-width: 769px) and (max-width: 1024px) {
  .rtbar {
    right: 8px;
    top: 55%;
  }
}
@media (max-width: 1024px) {
  .rtbar-item a { min-width: 100px; padding: 12px 12px 12px 16px; font-size: 0.85rem; }
  .rtbar-text { display: none; }
  .rtbar-item a { justify-content: center; min-width: 48px; }
}

/* 微信联系小浮层 */
.rtbar-wechat-popup {
  position: fixed;
  right: 220px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  padding: 12px;
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.rtbar-wechat-popup.active {
  opacity: 1;
  visibility: visible;
}
.rtbar-wechat-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.rtbar-wechat-inner img {
  width: 120px;
  height: 120px;
  border-radius: 4px;
}
.rtbar-wechat-inner p {
  margin: 0;
  font-size: 0.8rem;
  color: #333;
}
@media (max-width: 1024px) {
  .rtbar-wechat-popup {
    right: 200px;
    top: auto;
    bottom: 90px;
    transform: none;
  }
}

/* 快捷询价弹窗 */
.quote-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
}
.quote-modal.open {
  display: block;
}
.quote-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}
.quote-modal-dialog {
  position: absolute;
  top: 63%;
  left: 50%;
  transform: translate(-50%, -56%);
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  width: 420px;
  max-width: 92%;
  padding: 26px 26px 22px;
}
.quote-modal-dialog h3 {
  margin: 0 0 16px;
  font-size: 1.3rem;
  font-weight: 700;
}
.quote-modal-close {
  position: absolute;
  right: 14px;
  top: 10px;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  cursor: pointer;
  color: #666;
}
@media (max-width: 480px) {
  .quote-modal-dialog {
    width: 94%;
    padding: 22px 18px 18px;
  }
}

/* ===== 关于我们页面 ===== */

/* 顶部横幅图 */
.about-page-banner {
  /* margin-top: 56px; */
  width: 100%; 
  overflow: hidden;
  max-height: 240px; 
  line-height: 0; 
  /* padding-top: 50px; */
}
.about-page-banner img {
  width: 100%; height: 200px; object-fit: cover; object-position: center 40%;
  display: block;
}

/* 面包屑 */
.about-breadcrumb {
 
}
.about-breadcrumb-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
}
.ab-current { font-size: 0.9rem; color: #333; font-weight: 500; }
.ab-subnav { display: flex; gap: 20px; }
.ab-link {
  font-size: 0.88rem; color: #555; transition: var(--transition);
  padding-bottom: 2px;
}
.ab-link:hover, .ab-link.active { color: var(--red); border-bottom: 2px solid var(--red); }

/* 页面标题（居中英中双行） */
.about-page-heading {
  text-align: center; padding: 50px 0 40px;
  background: #fff;
}
.aph-en {
  text-align: center;
  font-family: 'Risque', Georgia, serif;
  font-size: 35px;
  font-weight: 400;
  color: #000000;

 
}
.aph-line {
  width: 220px; height: 2px; background: #333;
  margin: 0 auto 26px;
  margin-top: -7px;
}
.aph-cn {
  font-family: 'Roboto', Sans-serif;
  font-size: 30px;
  font-weight: 600;
  color: #000000;
  letter-spacing: 4px;
  text-align: center;
  margin-top: -28px;
}

/* ===== 联系我们独立页 ===== */
.contact-page-banner {
  /* margin-top: 56px;  */
  width: 100%; 
  overflow: hidden; 
  max-height: 240px;
}
.contact-page-banner img {
  width: 100%; height: 200px; object-fit: cover; object-position: center top; display: block;
}
.contact-en-title {
  font-family: Georgia, 'Times New Roman', serif !important;
  font-style: italic !important; letter-spacing: 8px !important;
}
.contact-page-section { padding: 50px 0 90px; background: #fff; }
.contact-page-grid {
  display: grid; grid-template-columns: 340px 1fr;
  gap: 70px; align-items: start;
}
.contact-page-left {
  display: flex; gap: 20px; flex-wrap: wrap;
}
.cp-qrcode-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.cp-qrcode-wrap img {
  width: 150px; height: 150px;
  border: 1px solid #e8e8e8; border-radius: 4px;
}
.cp-qrcode-wrap p {
  font-size: 0.82rem; color: #888; text-align: center;
}
.cp-company {
  font-size: 1.2rem; font-weight: 700; color: #222;
  margin-bottom: 28px; padding-bottom: 16px;
  border-bottom: 2px solid #f0f0f0;
  letter-spacing: 1px;
}
.cp-person-block {
  margin-bottom: 32px; padding-bottom: 28px;
  border-bottom: 1px solid #eee;
}
.cp-person-block:last-of-type { border-bottom: none; margin-bottom: 0; }
.cp-info-list { display: flex; flex-direction: column; gap: 18px; }
.cp-info-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 1rem; color: #111; line-height: 1.6;
}
.cp-label { flex-shrink: 0; }
.cp-value { margin-left: 0; }
.cp-info-item .cp-label { margin-right: 0.25em; }
.cp-address {
  margin-top: 20px; display: flex; gap: 4px;
  font-size: 0.95rem; color: #555;
}
.cp-map-wrap {
  margin-top: 48px; width: 100%; 
  overflow: hidden;
}
.cp-map-wrap img {
  width: 400px; height: 300px; display: block; vertical-align: top;
} 
@media (max-width: 1024px) {
  .contact-page-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-page-left { justify-content: center; }
  .cp-map-wrap { margin-top: 36px; }
}

@media (max-width: 1024px) {
  .app-main { margin-left: 0; padding-top: 56px; }
  .app-menu-toggle { display: flex; }
  .app-top-nav ul {
    display: none;
    position: absolute;
    top: 56px;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 10px 16px;
    border-radius: 0 0 0 8px;
  }
  .app-top-nav.open ul {
    display: flex;
  }
  .app-top-nav .sub-nav {
    position: static;
    box-shadow: none;
    padding-left: 12px;
    margin-top: 4px;
  }
}

/* ===== 技术实力页 ===== */
.tech-banner {
  /* margin-top: 100px; */
   position: relative; 
   overflow: hidden; 
   max-height: 200px;
   
}
.tech-banner img {
  width: 100%; height: 200px;  object-position: center; display: block; object-fit: cover;
}
.tech-banner-text {
  position: absolute; top: 50%; left: 60px;
  transform: translateY(-50%); color: #fff;
}
.tech-banner-text h2 {
  font-size: 1.8rem; font-weight: 700; margin-bottom: 8px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.tech-banner-text p {
  font-size: 0.9rem; opacity: 0.9;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.tech-section { padding: 50px 0 90px; background: #fff; }
.tech-list-item {
  display: flex; gap: 36px; align-items: flex-start;
  padding: 32px 0;
}
.tech-list-item:last-child { border-bottom: none; }
.tli-img {
  flex-shrink: 0; width: 280px; height: 190px;
  overflow: hidden; border-radius: 4px;
 
}
.tli-img img {
  width: 100%; height: 100%; object-fit: cover;
  display: block; transition: transform 0.4s;
}
.tech-list-item:hover .tli-img img { transform: scale(1.04); }
.tli-content { flex: 1; padding-top: 6px; }
.tli-content h3 {
  font-size: 1.25rem; font-weight: 700; color: #222;
  margin-bottom: 12px; letter-spacing: 1px;
}
.tli-line {
 
}
.tli-content p {
  font-size: 0.95rem; color: #555; line-height: 2;
}
.tech-pagination {
  display: flex; align-items: center; justify-content: center; gap: 24px;
  margin-top: 48px; padding-top: 24px;
}
.tech-pagination-num {
  font-size: 1rem; color: #333; text-decoration: none;
}
.tech-pagination-num:hover { color: #111; }
.tech-pagination-current { color: #333; font-weight: 400; }
@media (max-width: 1024px) {
  .tech-list-item { flex-direction: column; }
  .tli-img { width: 100%; height: 200px; }
  .tech-banner-text { left: 20px; }
}

/* ===== 成功案例页 ===== */
.cases-banner {
  /* margin-top: 56px; */
   width: 100%; 
   overflow: hidden; 
   max-height: 200px;
}
.cases-banner img {
  width: 100%; height: 200px; object-fit: cover; object-position: center; display: block;
}
.cases-section { padding: 50px 0 90px; background: #fff; }
.cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.case-card {
  border-radius: 6px; overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.10);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.18);
}
.case-img { position: relative; overflow: hidden; }
.case-img img {
  width: 100%; height: 220px;
  object-fit: cover; object-position: top;
  display: block; transition: transform 0.4s;
}
.case-card:hover .case-img img { transform: scale(1.04); }
.case-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.case-card:hover .case-overlay { opacity: 1; }
.case-overlay span {
  color: #fff; font-size: 1rem; font-weight: 600;
  border: 2px solid #fff; padding: 8px 22px; border-radius: 30px;
  letter-spacing: 2px;
}
.case-label {
  background: rgba(40,40,40,0.88); color: #fff;
  font-size: 0.92rem; padding: 12px 16px;
  letter-spacing: 1px; text-align: center;
}
.case-card-link {
  display: block; text-decoration: none; color: inherit;
}
.case-card-link:hover { color: inherit; }
/* 第二行居中两列 */
.cases-grid-center {
  display: flex; justify-content: center;
  gap: 30px; margin-top: 30px;
}
.cases-grid-center .case-card {
  width: calc((100% - 30px) / 3);
}
@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: 1fr; }
  .cases-grid-center { flex-direction: column; }
  .cases-grid-center .case-card { width: 100%; }
}

/* ===== 模版案例页（按排序从左到右展示，标题在图片下方） ===== */
.template-cases-section .template-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: start;
}
.template-cases-section .case-card {
  display: block;
  width: 100%;
  margin-bottom: 0;
  cursor: default;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
}
.template-cases-section .case-card:hover {
  transform: none;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
}
.template-cases-section .case-img {
  overflow: hidden;
  line-height: 0;
}
.template-cases-section .case-card:not(:has(.template-case-caption)) .case-img {
  border-radius: 6px;
}
.template-cases-section .case-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: unset;
  transition: none;
}
.template-cases-section .template-case-caption {
  margin: 0;
  padding: 12px 14px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #333;
  text-align: center;
  line-height: 1.5;
  background: #fff;
}
.template-cases-section .case-card:hover .case-img img {
  transform: none;
}
.template-cases-section .case-card-link {
  display: block;
  cursor: pointer;
}
.template-cases-section .case-card:has(.case-card-link:hover) {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}
.quote-template-cases {
  padding-top: 8px;
}
.quote-template-cases .case-card-link--view {
  display: block;
  text-decoration: none;
  color: inherit;
}
.quote-template-cases .case-card-link--view:hover {
  color: inherit;
}
.quote-template-cases .template-case-demo-link {
  display: block;
  padding: 0 14px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #1a73e8;
  text-align: center;
  text-decoration: none;
}
.quote-template-cases .template-case-demo-link:hover {
  color: #1557b0;
  text-decoration: underline;
}
@media (max-width: 1024px) {
  .template-cases-section .template-cases-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}
@media (max-width: 640px) {
  .template-cases-section .template-cases-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 模版案例单条预览（后台「查看」） ===== */
.template-case-single {
  padding-bottom: 56px;
  background: #f4f7fb;
}
.template-case-single-head {
  padding: 28px 0 20px;
  background: #fff;
  border-bottom: 1px solid #e8edf3;
}
.template-case-single-crumb {
  margin: 0 0 10px;
  font-size: 0.88rem;
  color: #888;
}
.template-case-single-crumb a {
  color: #1a73e8;
  text-decoration: none;
}
.template-case-single-crumb a:hover {
  text-decoration: underline;
}
.template-case-single-title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: #222;
}
.template-case-single-visual {
  padding: 28px 0 12px;
}
.template-case-single-visual-inner {
  max-width: 1200px;
  margin: 0 auto;
  line-height: 0;
}
.template-case-single-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
  background: #fff;
}
.template-case-single-empty {
  padding: 48px 20px;
  color: #888;
  text-align: center;
}
.template-case-single-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: center;
  padding-top: 20px;
}
.template-case-single-demo-btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 25px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff !important;
  background: #1a73e8;
  text-decoration: none !important;
}
.template-case-single-demo-btn:hover {
  background: #1557b0;
  color: #fff !important;
}
.template-case-single-back {
  font-size: 0.92rem;
  font-weight: 600;
  color: #555;
  text-decoration: none;
}
.template-case-single-back:hover {
  color: #1a73e8;
}

/* ===== 营销策划页 ===== */
.marketing-banner {
  /* margin-top: 56px; */
  width: 100%; 
  overflow: hidden;
  max-height: 220px;
   object-fit: contain;
}
.marketing-banner img {
  width: 100%; height: 220px; display: block;
}
.marketing-body { padding: 50px 0 80px; background: #fff; }
.marketing-layout {
  display: grid; grid-template-columns: 260px 1fr;
  gap: 50px; align-items: start;
}
.marketing-side-img {
  display: flex; flex-direction: column; gap: 28px;
}
.mp-polaroid {
  background: #fff;
  padding: 10px 10px 28px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
  transform: rotate(-2deg);
  transition: transform 0.3s;
}
.mp-polaroid--2 { transform: rotate(2deg); }
.mp-polaroid:hover { transform: rotate(0deg) scale(1.02); }
.mp-polaroid img {
  width: 100%; display: block;
  border-radius: 2px;
}
.mp-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px dashed #e8e8e8;
}
.mp-item:last-child { border-bottom: none; }
.mp-thumb { flex-shrink: 0; width: 80px; height: 60px; overflow: hidden; border-radius: 4px; }
.mp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mp-info { flex: 1; }
.mp-info h3 {
  font-size: 1rem; font-weight: 700; margin-bottom: 6px;
  line-height: 1.5;
}
.mp-info h3 a { color: #222; transition: var(--transition); }
.mp-info h3 a:hover { color: #FF0000; }
.mp-info p { font-size: 0.88rem; color: #777; line-height: 1.7; margin-bottom: 6px; }
.mp-date { font-size: 0.78rem; color: #bbb; }
@media (max-width: 1024px) {
  .marketing-layout { grid-template-columns: 1fr; }
  .marketing-side-img { display: none; }
}

/* ===== 软件开发独立页 ===== */
.services-page-section { padding: 60px 0 100px; background: #fff; }
.sp-item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  margin-bottom: 80px; padding-bottom: 80px;
  border-bottom: 1px solid #f0f0f0;
}
.sp-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.sp-item--right { direction: ltr; }
.sp-img-wrap, .sp-img {
  width: 100%; max-width: 880px; min-height: 200px;
}
.sp-img-wrap img, .sp-img img {
  width: 100%; height: auto; min-height: 200px; object-fit: cover;
  border-radius: 6px; box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  display: block;
}
.sp-content h2 {
  font-size: 1.8rem; font-weight: 800; color: #FF0000;
  margin-bottom: 16px; letter-spacing: 2px;
}
.sp-line {
  width: 50px; height: 3px; background: #FF0000;
  margin-bottom: 20px;
}
.sp-content p {
  font-size: 1rem; color: #555; line-height: 2;
  margin-bottom: 24px;
}
.sp-list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 18px;
}
.sp-list li {
  font-size: 0.95rem; color: #444;
  
  
}
@media (max-width: 1024px) {
  .sp-item { grid-template-columns: 1fr; gap: 0px; }
  .sp-item--right .sp-img-wrap, .sp-item--right .sp-img { order: -1; }
  .sp-img-wrap, .sp-img { max-width: 100%; }
  .sp-list { grid-template-columns: 2fr; }
}

/* ===== 公司简介独立页 ===== */
.profile-section { padding: 60px 0 80px; background: #fff; }
.profile-intro {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 50px; align-items: start; margin-bottom: 50px;
}
.profile-img img {
  width: 100%; border-radius: 4px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.profile-text p {
  font-size: 1rem; color: #444; line-height: 2;
  margin-bottom: 18px;
}
.profile-bottom-img img {
  width: 100%; border-radius: 4px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
  display: block;
}
.ab-back { color: #666; font-size: 0.9rem; }
.ab-back:hover { color: var(--red); }
.ab-sep { margin: 0 8px; color: #999; }
@media (max-width: 1024px) {
  .profile-intro { grid-template-columns: 1fr; }
}

/* 公司简介图文 */
.about-section { padding: 60px 0; background: #fff; }
.about-intro-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
}
.about-intro-text h2 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 20px; color: #222;
}
.about-intro-text p {
  color: #555; font-size: 0.92rem; line-height: 1.9; margin-bottom: 14px;
}
.about-intro-stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 12px; margin-top: 28px;
  border-top: 1px solid #eee; padding-top: 24px;
}
.ais-item { text-align: center; }
.ais-item strong {
  display: block; font-size: 1.8rem; font-weight: 800; color: var(--red); line-height: 1;
}
.ais-item strong span { font-size: 1rem; }
.ais-item p { font-size: 0.8rem; color: #888; margin-top: 4px; }
.about-intro-img { border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
.about-intro-img img { width: 100%; height: 300px; object-fit: cover; }

/* 公司简介图文浮动布局 */
.about-intro-float { overflow: hidden; }
.about-float-img {
  float: left; margin: 0 32px 20px 0;
  width: 42%; border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow);
}
.about-float-img img { width: 100%; height: 300px; object-fit: cover; display: block; }
.about-float-text p {
  color: #000000; font-size: 20px; font-weight: 400;
  line-height: 2; margin-bottom: 16px; text-indent: 2em;
}
.about-intro-stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 16px; border-top: 1px solid #eee; padding-top: 28px;
  clear: both;
}
.ais-item { text-align: center; }
.ais-item strong {
  display: block; font-size: 1.8rem; font-weight: 800;
  color: var(--red); line-height: 1;
}
.ais-item strong span { font-size: 1rem; }
.ais-item p { font-size: 0.82rem; color: #888; margin-top: 6px; }

@media (max-width: 1024px) {
  .about-float-img { float: none; width: 100%; margin: 0 0 20px 0; }
  .about-intro-stats { grid-template-columns: repeat(2,1fr); }
}

/* 企业文化 */
.about-culture-section { background: #f9f9f9; }
.culture-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 24px;
}
.culture-card {
  background: #fff; border-radius: 10px; padding: 32px 24px; text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: var(--transition);
  border-bottom: 3px solid transparent;
}
.culture-card:hover { transform: translateY(-5px); border-bottom-color: var(--red); }
.culture-icon { font-size: 2.4rem; margin-bottom: 14px; }
.culture-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--red); }
.culture-card p { font-size: 0.88rem; color: #666; line-height: 1.8; }

/* 发展历程时间轴 */
.timeline {
  position: relative; padding: 20px 0 40px; max-width: 900px; margin: 0 auto;
}
.timeline-line {
  position: absolute; top: 0; bottom: 0; left: 50%;
  width: 2px; background: #e5e5e5; transform: translateX(-50%);
}
.timeline-item {
  display: flex; justify-content: flex-end;
  padding-right: calc(50% + 30px); margin-bottom: 36px; position: relative;
}
.timeline-item.right {
  justify-content: flex-start;
  padding-right: 0; padding-left: calc(50% + 30px);
}
.timeline-content {
  background: #fff; border-radius: 8px; padding: 20px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07); max-width: 360px; width: 100%;
  transition: var(--transition);
}
.timeline-content:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.tl-year {
  display: inline-block; background: var(--red); color: #fff;
  padding: 2px 10px; border-radius: 12px; font-size: 0.82rem;
  font-weight: 700; margin-bottom: 8px;
}
.timeline-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.timeline-content p { font-size: 0.86rem; color: #666; line-height: 1.7; }
.timeline-dot {
  position: absolute; top: 22px; left: 50%;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--red); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--red);
  transform: translateX(-50%); z-index: 1;
}

@media (max-width: 900px) {
  .about-intro-grid { grid-template-columns: 1fr; }
  .about-intro-stats { grid-template-columns: repeat(2,1fr); }
  .culture-grid { grid-template-columns: repeat(2,1fr); }
  .timeline-item, .timeline-item.right {
    padding: 0 0 0 46px; justify-content: flex-start;
  }
  .timeline-line { left: 14px; }
  .timeline-dot { left: 14px; }
}
@media (max-width: 540px) {
  .culture-grid { grid-template-columns: 1fr; }
}

/* ===== 企业文化页面 ===== */
.culture-section { padding: 60px 0; }

/* 左图右文 / 左文右图 交替块 */
.culture-block { padding: 60px 0; background: #fff; }
.culture-block-alt { background: #fff; }
.culture-row {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 60px; align-items: center;
}
.culture-block-img {
  width: 242px; flex-shrink: 0; border-radius: 10px; overflow: hidden;
}
.culture-block-img img {
  width: 100%; max-width: 340px; display: block; border-radius: 10px;
  box-shadow: var(--shadow);
}
.culture-block-text--wide { max-width: 800px; }
.culture-block-img svg { display: block; max-width: 300px; margin: 0 auto; }

.culture-block-text h3 {
  font-size: 1.5rem; font-weight: 700; color: #FF0000;
  margin-bottom: 20px;
}
.culture-block-text p {
  font-size: 0.95rem; color: #444; line-height: 2;
  margin-bottom: 14px;
}

/* 价值观五宫格 */
.culture-values-icons { overflow: visible; }
.cvi-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 14px; max-width: 300px; margin: 0 auto;
}
.cvi-item {
  background: #FF0000; color: #fff;
  border-radius: 10px; padding: 22px 10px;
  text-align: center; font-size: 1.2rem; font-weight: 700;
  letter-spacing: 2px; transition: var(--transition);
}
.cvi-item:hover { background: #cc0000; transform: scale(1.04); }
.cvi-full { grid-column: 1 / -1; }

/* 价值观说明列表 */
.culture-values-list { margin-top: 18px; padding: 0; list-style: none; }
.culture-values-list li {
  padding: 9px 0; border-bottom: 1px dashed #e5e5e5;
  font-size: 0.9rem; color: #555; line-height: 1.7;
}
.culture-values-list li:last-child { border-bottom: none; }
.culture-values-list strong { color: #FF0000; }

@media (max-width: 1024px) {
  .culture-row { grid-template-columns: 1fr; gap: 30px; }
  .culture-block-alt .culture-row .culture-block-img { order: -1; }
  .culture-block-img { width: 100%; max-width: 340px; margin: 0 auto; }
  .culture-block-text--wide { max-width: 100%; }
}

/* 使命·愿景·价值观 三列卡片 */
.culture-mvv-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.culture-mvv-card {
  border-radius: 10px; padding: 40px 30px; text-align: center;
  transition: var(--transition);
}
.culture-mvv-card.red   { background: var(--red); color: #fff; }
.culture-mvv-card.dark  { background: #222; color: #fff; }
.culture-mvv-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.18); }
.cmvv-icon { font-size: 2.6rem; margin-bottom: 18px; }
.culture-mvv-card h3 {
  font-size: 1.2rem; font-weight: 700; margin-bottom: 14px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.25);
}
.culture-mvv-card p { font-size: 0.9rem; line-height: 1.9; opacity: 0.92; }
.cmvv-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 0; }
.cmvv-tags span {
  background: rgba(255,255,255,0.2); padding: 4px 14px;
  border-radius: 20px; font-size: 0.88rem; font-weight: 600;
}

/* 服务理念四宫格 */
.culture-philosophy-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 28px;
}
.cp-item {
  background: #fff; border-radius: 10px; padding: 32px 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border-left: 4px solid var(--red); transition: var(--transition);
}
.cp-item:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.cp-num {
  font-size: 2.2rem; font-weight: 900; color: #f0f0f0;
  line-height: 1; margin-bottom: 10px;
}
.cp-item h4 { font-size: 1.05rem; font-weight: 700; color: #FF0000; margin-bottom: 10px; }
.cp-item p { font-size: 0.9rem; color: #555; line-height: 1.9; }

/* 团队风采 */
.culture-team-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 24px;
}
.culture-team-card {
  text-align: center; padding: 32px 20px;
  border: 1px solid var(--border); border-radius: 10px;
  transition: var(--transition);
}
.culture-team-card:hover { border-color: var(--red); transform: translateY(-4px); box-shadow: var(--shadow); }
.ct-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--red); color: #fff;
  font-size: 1.8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.culture-team-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.ct-role {
  display: inline-block; font-size: 0.8rem; color: var(--red);
  margin-bottom: 12px; font-weight: 600;
}
.culture-team-card p { font-size: 0.85rem; color: #666; line-height: 1.8; }

@media (max-width: 900px) {
  .culture-mvv-grid { grid-template-columns: 1fr; }
  .culture-philosophy-grid { grid-template-columns: 1fr; }
  .culture-team-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .culture-team-grid { grid-template-columns: 1fr; }
}

/* ===== 内页 ===== */
.page-banner {
  margin-top: 20px;
  background: linear-gradient(135deg, #c0392b 0%, #8e1a12 100%);
  padding: 70px 0;
  text-align: center; 
  color: #fff;
}
.page-banner h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 10px; }
.breadcrumb { font-size: 0.88rem; opacity: 0.8; }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.page-content { padding: 70px 0; }

/* 文章详情页封面图 */
.single-cover {
  width: 100%; max-height: 420px; overflow: hidden;
  background: #f0f0f0;
}
.single-cover-img {
  width: 100%; height: auto; max-height: 420px;
  object-fit: cover; object-position: center; display: block;
}

/* ===== 营销策划文章详情：大图 + 左下角面包屑 + 居中标题 + 正文 ===== */
.marketing-single-hero {
  /* margin-top: 56px; */
  padding-bottom: 60px;
  background: #fff;
}
.marketing-single-cover {
  width: 100%;
  min-height: 220px;
  max-height: 520px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-color: #e8e8e8;
  position: relative;
}
.marketing-single-breadcrumb {
  position: absolute;
  left: 0;
  bottom: -60px;
  padding: 18px 24px;
  color: #111;
  font-size: 0.95rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.marketing-single-breadcrumb a {
  color: #111;
  text-decoration: none;
  transition: var(--transition);
}
.marketing-single-breadcrumb a:hover {
  color: var(--red-light);
  text-decoration: underline;
}
.marketing-single-breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.85;
}
.marketing-single-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-dark);
  margin: 40px auto 28px;
  max-width: 900px;
  padding: 0 20px;
  line-height: 1.35;
}
.marketing-single-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}
.marketing-single-content {
  line-height: 1.9;
  color: var(--gray-mid);
  font-size: 1rem;
}
.marketing-single-content p { margin-bottom: 1.2em; }
.marketing-single-content img { max-width: 100%; height: auto; border-radius: var(--radius); }
.marketing-single-nav {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.9rem;
}
.marketing-single-nav a { color: var(--red); }
.marketing-single-nav a:hover { text-decoration: underline; }
@media (max-width: 1024px) {
  .marketing-single-cover { min-height: 260px; max-height: 360px; }
  .marketing-single-breadcrumb { padding: 14px 16px; font-size: 0.88rem; }
  .marketing-single-title { font-size: 1.5rem; margin: 28px auto 20px; }
}

/* ===== 技术实力文章详情：无横幅，标题 → 作者与日期 → 正文（含图） ===== */
.tech-single {
  /* margin-top: 56px; */
  padding: 50px 0 70px;
  background: #fff;
}
.tech-single-inner {
  max-width: 900px;
  margin: 0 auto;
}
.tech-single-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-dark);
  margin-bottom: 16px;
  line-height: 1.35;
  text-align: center;
}
.tech-single-meta {
  color: var(--gray-light);
  font-size: 0.9rem;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.tech-single-content {
  margin-bottom: 32px;
}
/* 无图或有特色图时：左文右图布局 */
.tech-single-content.tech-single-no-image,
.tech-single-content.tech-single-has-image {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: start;
}
.tech-single-no-image .tech-single-body-left,
.tech-single-has-image .tech-single-body-left {
  margin-bottom: 0;
}
.tech-single-no-image .tech-single-default-img,
.tech-single-has-image .tech-single-featured-img {
  margin-bottom: 0;
  min-height: 320px;
  display: flex;
  align-items: stretch;
}
.tech-single-no-image .tech-single-default-img .tech-single-img,
.tech-single-has-image .tech-single-featured-img .tech-single-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}
.tech-single-featured-img {
  margin-bottom: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}
.tech-single-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.tech-single-body {
  line-height: 1.9;
  color: var(--gray-mid);
  font-size: 1rem;
}
.tech-single-body p { margin-bottom: 1.2em; }
.tech-single-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1em 0;
}
.tech-single-body .alignleft { float: left; margin: 0.5em 1.5em 1em 0; }
.tech-single-body .alignright { float: right; margin: 0.5em 0 1em 1.5em; }
.tech-single-body .aligncenter { display: block; margin-left: auto; margin-right: auto; }
.tech-single-nav {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.9rem;
}
.tech-single-nav a { color: var(--red); }
.tech-single-nav a:hover { text-decoration: underline; }
@media (max-width: 1024px) {
  .tech-single { padding: 32px 0 50px; }
  .tech-single-title { font-size: 1.5rem; }
  .tech-single-content.tech-single-no-image {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .tech-single-no-image .tech-single-body-left { order: 1; }
  .tech-single-no-image .tech-single-default-img {
    order: 2;
    position: static;
  }
}

/* ===== 响应式 ===== */
@media (min-width: 1201px) {
  /* PC 端：保持主内容居中，不再额外左移 */
  .app-sidebar { width: 220px; }
  .app-logo .logo-text { font-size: 1rem; }
}
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-content.active { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.15);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .app-main { margin-left: 0; padding-top: 56px; }
  .app-menu-toggle { display: flex; }
  .app-search-input { display: none; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content p { font-size: 0.95rem; }
  .about-grid { grid-template-columns: 1fr; }
  .marketing-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-padding { padding: 55px 0; }
  .testimonial-item { grid-template-columns: 1fr; padding: 0 10px; }
  .app-logo .logo-text { font-size: 0.95rem; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .app-logo .logo-icon-img { height: 36px; }
  #hero { height: calc(100vh - 56px); min-height: 360px; }
}
/* iPad：顶栏横向菜单 + 下拉子菜单（勿用 display:contents，会破坏 li 嵌套导致竖排乱版） */
@media (min-width: 768px) and (max-width: 1024px) {
  /* 去掉顶栏底部分割线与过重阴影；横向菜单滚动条隐藏（保留滑动） */
  #site-header.app-topbar {
    border-bottom: none;
    box-shadow: none;
  }
  .app-topbar-inner {
    flex-wrap: nowrap;
    gap: 8px;
  }
  .app-topbar-right {
    gap: 8px;
    flex-wrap: nowrap;
    flex: 1;
    min-width: 0;
    justify-content: flex-end;
  }
  .app-menu-toggle { display: none !important; }
  /* 顶栏拥挤：只保留 Logo 图，隐藏站点文字标题，保证菜单单行放得下 */
  .app-logo .logo-text {
    display: none !important;
  }
  /* 单行显示：不换行，超出部分在顶栏内横向滑动 */
  .app-top-nav {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .app-top-nav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }
  .app-top-nav ul {
    display: flex !important;
    position: static !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    gap: 8px 12px;
    width: max-content;
    max-width: none;
    min-height: 40px;
  }
  .app-top-nav > ul > li {
    flex-shrink: 0;
  }
  .app-top-nav > ul > li:not(.nav-item-has-sub) > a {
    white-space: nowrap;
  }
  /* 有子菜单：一级 + 二级同一行内并排（不换行） */
  .app-top-nav li.nav-item-has-sub {
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 6px 10px;
    flex-shrink: 0;
  }
  .app-top-nav li.nav-item-has-sub > a.nav-item,
  .app-top-nav li.nav-item-has-sub > a:first-of-type {
    white-space: nowrap;
    font-weight: 600;
  }
  .app-top-nav li.nav-item-has-sub .sub-nav {
    position: static !important;
    top: auto !important;
    left: auto !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    gap: 6px 10px;
    flex-shrink: 0;
    min-width: 0 !important;
    padding: 0 0 0 12px !important;
    margin: 0 !important;
    list-style: none !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border-left: 1px solid rgba(21, 101, 192, 0.28);
    z-index: auto !important;
  }
  .app-top-nav li.nav-item-has-sub .sub-nav li {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
  }
  .app-top-nav li.nav-item-has-sub .sub-nav li a {
    display: inline !important;
    padding: 2px 0 !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    color: rgba(21, 101, 192, 0.92) !important;
    white-space: nowrap;
    text-decoration: none !important;
    border-radius: 4px;
  }
  .app-top-nav li.nav-item-has-sub .sub-nav li a:hover {
    color: #0d47a1 !important;
    background: rgba(21, 101, 192, 0.08);
  }

  .app-search-input {
    display: block !important;
    width: 34px;
    height: 34px;
    padding: 0 0 0 34px;
    border-radius: 999px;
    border: 1px solid rgba(21,101,192,0.25);
    background-color: rgba(231, 231, 231, 0.955);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%231565c0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 16px 16px;
    transition: width .22s ease, background-position .22s ease, box-shadow .22s ease, background-color .22s ease;
  }
  .app-search-input::placeholder { color: transparent; }
  .app-search-input:focus {
    width: 160px;
    padding: 0 34px 0 12px;
    background-position: right 10px center;
    background-color: #fff;
  }
}
@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-arrow { display: none; }
}

/* ===== 核心价值观（文字版） ===== */
.culture-core-values {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  padding: 10px 0 10px;
}
.culture-core-title {
  font-size: 2rem;
  font-weight: 700;
  color: #FF0000;
  letter-spacing: 6px;
  margin-bottom: 36px;
}
.culture-core-list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}
.culture-core-list li {
  font-size: 1rem;
  color: #333;
  line-height: 1.9;

}
.culture-core-list li:last-child { border-bottom: none; }
.culture-core-list li strong {
  color: #FF0000;
  font-weight: 700;
  margin-right: 4px;
}

/* ===== 系统集成展示 ===== */
.si-page { background: #f6f8fb; }
.si-container { max-width: 980px; }
.si-solution-wrap {
  background: #f7f9fd;
  border: 1px solid #e5ebf5;
  border-radius: 16px;
  padding: 26px 22px;
}
.si-solution-head {
  text-align: center;
  margin-bottom: 20px;
}
.si-solution-head h2 {
  margin: 0;
  color: #0f3b86;
  font-size: 38px;
  line-height: 1.2;
}
.si-solution-head p {
  margin: 6px 0 0;
  color: #7c8a9d;
  font-size: 18px;
}
.si-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
}
.si-grid::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 92px;
  bottom: 18px;
  width: 1px;
  background: #b7caea;
  transform: translateX(-50%);
}
.si-grid::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 92px;
  bottom: 18px;
  width: 56px;
  transform: translateX(-50%);
  background-image:
    linear-gradient(to right, #b7caea, #b7caea),
    linear-gradient(to right, #b7caea, #b7caea),
    linear-gradient(to right, #b7caea, #b7caea),
    linear-gradient(to right, #b7caea, #b7caea);
  background-repeat: no-repeat;
  background-size: 56px 1px, 56px 1px, 56px 1px, 56px 1px;
  background-position: center 18%, center 41%, center 64%, center 87%;
  pointer-events: none;
}
.si-col {
  background: #fff;
  border: 1px solid #e6ecf5;
  border-radius: 14px;
  padding: 14px;
}
.si-col-left {
  display: block;
  padding: 10px 12px 0;
}
.si-left-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 12px;
  margin-bottom: 6px;
  min-height: 44px;
}
.si-left-head h3 {
  margin: 0;
  color: #0f3b86;
  font-size: 30px;
  font-weight: 700;
}
.si-step-list {
  display: grid;
  gap: 12px;
}
.si-card-block {
  border: 1px solid #e7edf7;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  position: relative;
  min-height: 188px;
}
.si-col-left .si-card-block::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -24px;
  width: 24px;
  height: 2px;
  background: transparent;
  transform: translateY(-50%);
}
.si-card-media {
  position: relative;
  height: 188px;
}
.si-card-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.si-card-block--ops img {
  object-position: center top;
}
.si-card-tag {
  position: absolute;
  left: 12px;
  bottom: 10px;
  background: linear-gradient(90deg, #1f62d8 0%, #2e79ff 100%);
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  padding: 10px 16px;
  border-radius: 8px;
}
.si-col-right {
  display: block;
  align-content: start;
  padding: 10px 12px 0;
}
.si-right-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 12px;
  margin-bottom: 6px;
  min-height: 44px;
}
.si-dot {
  width: 10px;
  height: 10px;
  background: #1f62d8;
  border-radius: 50%;
  flex: 0 0 auto;
}
.si-right-head h3 {
  margin: 0;
  color: #0f3b86;
  font-size: 30px;
  font-weight: 700;
}
.si-head-line {
  height: 2px;
  background: #b9cbeb;
  flex: 1;
}
.si-adv-item {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 14px 6px 14px;
  border-bottom: 1px solid #e1eaf7;
  position: relative;
}
.si-adv-item:last-child { border-bottom: none; }
.si-adv-list {
  display: grid;
  gap: 12px;
}
.si-adv-list .si-adv-item {
  min-height: 188px;
  background: rgba(248, 251, 255, 0.96);
  border: 1px solid #e3ebf8;
  border-radius: 12px;
  padding: 14px 12px;
}
.si-adv-list .si-adv-item:last-child {
  border-bottom: 1px solid #e3ebf8;
}
.si-col-right .si-adv-item::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -24px;
  width: 24px;
  height: 2px;
  background: transparent;
  transform: translateY(-50%);
}
.si-adv-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.si-adv-item h3 {
  margin: 0;
  color: #0f3b86;
  font-size: 19px;
  line-height: 1.2;
}
.si-adv-item p {
  margin: 0;
  color: #5f6f86;
  font-size: 12px;
  line-height: 1.8;
}
.si-adv-mini-gear {
  position: absolute;
  left: 14px;
  bottom: 10px;
  width: 28px;
  height: 28px;
}
.si-adv-mini-gear::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid #1f62d8;
  border-radius: 50%;
}
.si-adv-mini-gear::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #1f62d8;
}
.si-adv-item--tech .si-adv-title-row {
  align-items: center;
  margin-bottom: 6px;
}
.si-adv-item--tech .si-adv-img-icon {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 64px;
  height: 64px;
}
.si-adv-item--tech p,
.si-adv-item--deliver p {
  max-width: 78%;
}
.si-adv-item--deliver .si-adv-icon {
  margin-top: 2px;
}
.si-adv-icon {
  position: relative;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
}
.si-adv-icon::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #1f62d8;
}
.si-adv-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #1f62d8;
}
.si-adv-icon--chat::after {
  width: 12px;
  height: 9px;
  border-radius: 6px;
  background: #1f62d8;
}
.si-adv-icon--chat::before {
  border-radius: 8px;
  border: 2px solid #1f62d8;
}
.si-adv-img-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
@media (max-width: 992px) {
  .si-grid { grid-template-columns: 1fr; }
  .si-grid::before { display: none; }
  .si-grid::after { display: none; }
  .si-col-left .si-card-block::after,
  .si-col-right .si-adv-item::before { display: none; }
  .si-card-block,
  .si-card-media,
  .si-adv-list .si-adv-item { min-height: auto; }
  .si-solution-head h2 { font-size: 30px; }
  .si-card-tag { font-size: 18px; }
  .si-left-head h3,
  .si-right-head h3 { font-size: 24px; }
  .si-adv-item h3 { font-size: 18px; }
  .si-adv-item p { font-size: 13px; }
}
.si-heading { padding-top: 0; margin-bottom: 24px; }
.si-card {
  background: #fff;
  border: 1px solid #e7edf5;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(31, 64, 104, 0.08);
  overflow: hidden;
}
.si-card-title {
  padding: 14px 18px;
  border-bottom: 1px solid #edf2f7;
  font-size: 16px;
  color: #1f4f8f;
  font-weight: 600;
}
.si-image-btn {
  width: 100%;
  border: 0;
  background: #fff;
  padding: 10px;
  cursor: zoom-in;
}
.si-image-btn img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.si-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  padding: 10px;
}
.si-tip {
  margin: 0;
  padding: 0 18px 16px;
  color: #6b7280;
  font-size: 13px;
}
.si-empty-tip {
  text-align: center;
  color: #666;
  background: #fff;
  border: 1px dashed #d7deea;
  border-radius: 10px;
  padding: 28px 16px;
}
.si-lightbox {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: none;
}
.si-lightbox.open { display: block; }
.si-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}
.si-lightbox-dialog {
  position: relative;
  max-width: min(96vw, 980px);
  max-height: 92vh;
  margin: 3vh auto 0;
  background: #fff;
  border-radius: 10px;
  padding: 12px;
}
.si-lightbox-dialog img {
  display: block;
  width: 100%;
  max-height: calc(92vh - 24px);
  object-fit: contain;
  border-radius: 8px;
}
.si-lightbox-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: #1f4f8f;
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}