:root {
  --w: 1200px;
  --blue: #1565d8;
  --blue-deep: #0d47a1;
  --blue-soft: #e8f2ff;
  --text: #1a1a2e;
  --muted: #5c6478;
  --line: #e2e8f0;
  --footer-bg: #1b2631;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; vertical-align: middle; }
.wrap {
  width: 100%;
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 16px;
}

/* ----- Header：吸顶（fixed，避免父级 overflow 导致 sticky 失效） ----- */
body.page-2026-home {
  padding-top: 80px;
}
body.page-2026-home .header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.header-inner {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 16px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
}
.logo img {
  height: 46px;
  width: auto;
  display: block;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1e88e5, var(--blue));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}
.nav a { color: var(--text); }
.nav a:hover, .nav a.active { color: var(--blue); }
.nav .search {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
}

/* ----- Banner：整图轮播（PC / 手机图，3 秒自动切换） ----- */
.hero-banner {
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
  background: #e8f2ff;
  position: relative;
}
.hero-banner__frame {
  position: relative;
  width: 100%;
}
.hero-banner-track {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.hero-banner-slide {
  display: none;
  width: 100%;
  line-height: 0;
}
.hero-banner-slide.is-active {
  display: block;
}
.hero-banner__link {
  display: block;
  line-height: 0;
}
.hero-banner__img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
}
.hero-banner__img--mobile {
  display: none;
}
.hero-banner-arrow {
  position: absolute;
  top: 50%;
  z-index: 30;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.14);
  color: var(--blue-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  transition: background 0.2s, box-shadow 0.2s;
  pointer-events: auto;
}
.hero-banner-arrow:hover {
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.hero-banner-arrow--prev {
  left: 24px;
}
.hero-banner-arrow--next {
  right: 24px;
}
.hero-banner-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  z-index: 20;
  display: flex;
  justify-content: center;
  gap: 8px;
  pointer-events: none;
}
.hero-banner-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  pointer-events: auto;
  transition: width 0.2s, background 0.2s;
}
.hero-banner-dot.is-active {
  width: 22px;
  background: #fff;
}
.hero-banner__frame--single .hero-banner-arrow,
.hero-banner__frame--single .hero-banner-dots {
  display: none;
}
@media (max-width: 768px) {
  .hero-banner__img--pc {
    display: none;
  }
  .hero-banner__img--mobile {
    display: block;
  }
  .hero-banner-arrow--prev {
    left: 10px;
  }
  .hero-banner-arrow--next {
    right: 10px;
  }
  .hero-banner-arrow {
    width: 36px;
    height: 36px;
  }
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(90deg, var(--blue), #1e88e5);
  color: #fff !important;
  border-radius: 8px;
  font-size: 15px;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(21, 101, 216, 0.35);
}
.btn-primary:hover { opacity: 0.94; }

/* ----- Section common ----- */
.section { padding: 64px 0; }
.section-head { text-align: left; margin-bottom: 36px; }
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.section-head p { color: #64748b; font-size: 15px; line-height: 1.65; max-width: 720px; margin: 0; }

/* ----- 服务 / 案例 Tab 胶囊 ----- */
.svc-tabs,
.prod-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.svc-tabs .tab,
.prod-tabs .tab {
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.svc-tabs .tab:hover,
.prod-tabs .tab:hover {
  border-color: #cbd5e1;
  color: #475569;
}
.svc-tabs .tab.active,
.prod-tabs .tab.active {
  background: #1976d2;
  border-color: #1976d2;
  color: #fff;
  box-shadow: 0 4px 16px rgba(25, 118, 210, 0.35);
}

/* ----- 服务：顶栏 + 左大卡 + 右 3×9 ----- */
.svc-bg { background: #f8fafb; }
.svc-intro {
  margin-bottom: 28px;
}
.svc-intro__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px 24px;
  margin-bottom: 10px;
}
.svc-intro__row h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.3;
}
.svc-intro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
  font-size: 14px;
  padding-top: 4px;
}
.svc-intro__links a {
  color: #1976d2;
  font-weight: 500;
  white-space: nowrap;
}
.svc-intro__links a:hover { text-decoration: underline; }
.svc-intro__sub {
  color: #64748b;
  font-size: 15px;
  line-height: 1.65;
  max-width: 900px;
  margin: 0 0 22px;
}
.svc-layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr;
  gap: 24px;
  align-items: stretch;
}
.svc-featured {
  border-radius: 14px;
  overflow: hidden;
  min-height: 480px;
  position: relative;
  background: linear-gradient(165deg, #0f2847 0%, #061018 55%, #030a10 100%);
  color: #fff;
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  box-shadow: 0 12px 40px rgba(6, 16, 24, 0.25);
}
.svc-featured::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(66, 165, 245, 0.12), transparent 42%),
    repeating-linear-gradient(-45deg, transparent, transparent 11px, rgba(255, 255, 255, 0.025) 11px, rgba(255, 255, 255, 0.025) 12px);
  pointer-events: none;
}
.svc-featured__media {
  position: relative;
  z-index: 1;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.svc-featured__media img {
  display: block;
  width: 100%;
  height: 148px;
  object-fit: cover;
  object-position: center;
}
.svc-featured__titlebar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.svc-featured__titlebar h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.02em;
  line-height: 1.25;
}
.svc-featured__consult {
  flex-shrink: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.88);
  padding: 4px 0;
}
.svc-featured__consult:hover { color: #fff; text-decoration: underline; }
.svc-featured-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.svc-featured-pills span {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(25, 118, 210, 0.4);
  color: #e3f2fd;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.svc-featured > p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  flex: 1;
  margin: 0 0 20px;
  position: relative;
  z-index: 1;
}
.svc-featured .btn {
  align-self: flex-start;
  padding: 11px 26px;
  background: #1976d2;
  color: #fff !important;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  z-index: 1;
  border: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}
.svc-featured .btn:hover { filter: brightness(1.06); }

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-content: start;
}
.svc-card {
  border: 1px solid #eef2f6;
  border-radius: 12px;
  padding: 14px 14px 12px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.svc-card:hover {
  box-shadow: 0 8px 24px rgba(15, 40, 71, 0.06);
  border-color: #e2e8f0;
}
.svc-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.svc-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.35;
  margin: 0;
  flex: 1;
}
.svc-card__arrow {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  color: #cbd5e1;
  font-weight: 300;
}
.svc-card > p {
  font-size: 12px;
  color: #64748b;
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.svc-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.svc-card-tags span {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: #f1f5f9;
  color: #475569;
}
.svc-tabs .tab .tab-ico { margin-right: 4px; }

/* Tab 下方内容面板切换 */
.tab-panels { position: relative; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ----- 自主研发 / 案例 ----- */
.prod-bg { background: #fff; }
.prod-intro { margin-bottom: 28px; }
.prod-intro__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px 24px;
  margin-bottom: 10px;
}
.prod-intro__row h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.3;
}
.prod-intro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
  font-size: 14px;
  padding-top: 4px;
}
.prod-intro__links a {
  color: #1976d2;
  font-weight: 500;
  white-space: nowrap;
}
.prod-intro__links a:hover { text-decoration: underline; }
.prod-intro__sub {
  color: #64748b;
  font-size: 15px;
  line-height: 1.65;
  max-width: 900px;
  margin: 0 0 22px;
}
.prod-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.prod-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.prod-thumb {
  height: 240px;
  background: #eef2f6;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.prod-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.prod-body { padding: 18px; flex: 1; display: flex; flex-direction: column; min-width: 0; }
.prod-body h3 { font-size: 16px; margin-bottom: 10px; }
.prod-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.prod-tags span {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--blue-soft);
  color: var(--blue);
}
.prod-body p { font-size: 13px; color: var(--muted); flex: 1; margin-bottom: 14px; line-height: 1.6; }
.prod-body .btn-block {
  display: block;
  text-align: center;
  padding: 10px;
  background: var(--blue);
  color: #fff !important;
  border-radius: 8px;
  font-size: 14px;
}
.prod-panel.is-active .prod-card:first-child {
  box-shadow: 0 0 0 2px var(--blue);
}

/* ----- News ----- */
/* 案例白底后接资讯浅灰，与合作伙伴白底错开 */
.news-bg { background: #f8fafb; }
.news-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.news-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.news-num {
  padding: 12px 16px 0;
  font-size: 28px;
  font-weight: 800;
  color: var(--blue);
  opacity: 0.35;
}
.news-item h3 { padding: 0 16px 12px; font-size: 17px; }
.news-img {
  height: 200px;
  background: #e2e8f0;
  overflow: hidden;
}
.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.news-excerpt { padding: 0 16px; font-size: 13px; color: var(--muted); line-height: 1.65; }
.news-meta {
  padding: 10px 16px 16px;
  font-size: 12px;
  color: #94a3b8;
}

/* ----- Partners ----- */
.partner-bg { background: #fff; padding: 56px 0 64px; }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.partner-cell {
  background: #fff;
  border-radius: 8px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e8f0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
}
.partner-cell img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center;
  display: block;
}

/* ----- Footer（设计稿：Logo + 三列 + 友链 + 版权） ----- */
.footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.85);
  padding: 40px 0 0;
}
.footer .wrap {
  max-width: var(--w);
}
.footer-brand {
  margin-bottom: 28px;
}
.footer-brand img {
  height: 46px;
  width: auto;
  display: block;
}
.footer-body {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.95fr;
  gap: 36px 40px;
  padding-bottom: 28px;
}
.footer-info { font-size: 13px; line-height: 2; color: rgba(255, 255, 255, 0.9); }
.footer-info p { margin: 0; }
.footer-contact h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 14px;
}
.footer-contact .footer-hotline-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 6px;
}
.footer-contact .footer-phone {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.footer .btn-book {
  display: inline-block;
  padding: 11px 32px;
  background: #e53935;
  color: #fff !important;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: filter 0.2s, transform 0.15s;
}
.footer .btn-book:hover { filter: brightness(1.08); }
.footer-social {
  display: flex;
  gap: 28px;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.footer-social__item {
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}
.footer-social__item .qr-box {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 6px;
  margin: 8px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 11px;
}
.footer-links {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}
.footer-links strong {
  color: rgba(255, 255, 255, 0.55);
  font-weight: 600;
  margin-right: 4px;
}
.footer-links a {
  color: rgba(147, 197, 253, 0.95);
}
.footer-links a:hover { text-decoration: underline; color: #bfdbfe; }
.footer-links span.sep { color: rgba(255, 255, 255, 0.25); margin: 0 2px; }
.footer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 16px 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
}

.footer-social__item .qr-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.logo .logo2 {
  display: none;
}

/* CMS 多级菜单 + 搜索（与 2026 白顶栏搭配，依赖 style.css 中 .search-show 展开动画） */
.header-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  min-width: 0;
  gap: 12px;
}
.header .header-nav,
.header .header-nav ul,
.header .header-nav ul li,
.header .header-nav ul li a {
  margin: 0;
  padding: 0;
  border: 0;
  list-style: none;
  box-sizing: border-box;
}
.header .header-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}
.header .header-nav > ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 50px;
  justify-content: flex-end;
}
body.page-2026-home .header .header-nav > ul > li {
  margin: 0;
}
.header .header-nav > ul > li {
  position: relative;
  list-style: none;
}
.header .header-nav > ul > li > a {
  display: block;
  font-size: 15px;
  color: var(--text);
  padding: 8px 0;
  white-space: nowrap;
  line-height: 1.4;
}
.header .header-nav > ul > li.cur > a,
.header .header-nav > ul > li:hover > a {
  color: var(--blue);
}
.header .header-nav ul ul {
  position: absolute;
  left: -9999px;
  top: 100%;
  min-width: 200px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  background: #fff;
  padding: 8px 0;
  z-index: 200;
}
.header .header-nav li:hover > ul {
  left: 0;
}
.header .header-nav ul ul ul {
  left: 100% !important;
  top: 0;
  margin-left: 4px;
}
.header .header-nav ul ul li {
  position: relative;
}
.header .header-nav ul ul li a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.4;
  white-space: nowrap;
}
.header .header-nav ul ul li a:hover {
  background: var(--blue-soft);
  color: var(--blue);
}
.header .header-search {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header .header-search .search a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header .header-search .search i img {
  width: 18px;
  height: 18px;
  display: block;
}

@media (max-width: 900px) {
  .svc-layout { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-row { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-body { grid-template-columns: 1fr; text-align: center; }
  .footer-social { justify-content: center; }
  .footer-links { justify-content: center; text-align: center; }
}
@media (max-width: 520px) {
  .svc-grid, .partner-grid { grid-template-columns: 1fr 1fr; }
}