/* ============================================================
   麦荟盛智能科技 · 企业官网 统一样式
   主色：深蓝 #0B3D66  科技蓝 #378ADD  活力橙 #E85A20
   ============================================================ */

:root {
  --c-navy: #0B3D66;
  --c-navy-deep: #072A47;
  --c-blue: #378ADD;
  --c-blue-light: #6FB3F2;
  --c-orange: #E85A20;
  --c-orange-light: #FF7A3D;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F5F7FA;
  --c-bg-dark: #0A1F33;
  --c-text: #1A2433;
  --c-text-soft: #5A6B7B;
  --c-border: #E3E9F0;
  --shadow-sm: 0 2px 8px rgba(11, 61, 102, .08);
  --shadow-md: 0 10px 30px rgba(11, 61, 102, .12);
  --shadow-lg: 0 20px 50px rgba(11, 61, 102, .18);
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1200px;
  --nav-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  z-index: 1000;
  transition: all .3s ease;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav .inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { height: 60px; width: auto; object-fit: contain; }
.logo-text { display: none; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px; font-size: 16px; font-weight: 500;
  color: var(--c-text); transition: all .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--c-blue); background: rgba(55,138,221,.08); }
.nav-cta {
  color: var(--c-text); padding: 8px 16px;
  font-weight: 500; transition: all .2s; background: transparent;
}
.nav-cta:hover { color: var(--c-blue); background: rgba(55,138,221,.08); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--c-navy); border-radius: 2px; }

/* ---------- 下拉菜单（桌面端 hover 展开） ---------- */
.nav-links > li { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute; top: 100%; left: 0;
  min-width: 200px; background: #fff;
  border-radius: 8px; box-shadow: 0 12px 32px rgba(11,61,102,.14);
  padding: 10px 0; z-index: 1001;
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: all .25s ease;
}
.nav-links > li:hover > .dropdown-menu {
  display: block; opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu .sub-label {
  display: block; padding: 8px 20px 4px;
  font-size: 12px; color: var(--c-text-soft); letter-spacing: 1px;
  text-transform: uppercase; font-weight: 700;
}
.dropdown-menu a {
  display: block; padding: 9px 24px; font-size: 14px; color: var(--c-text);
  white-space: nowrap; border-radius: 0;
}
.dropdown-menu a:hover { background: rgba(55,138,221,.07); color: var(--c-blue); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  cursor: pointer; border: none; transition: all .25s; letter-spacing: .5px;
}
.btn-primary { background: var(--c-blue); color: #fff; }
.btn-primary:hover { background: #2b78c4; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(55,138,221,.35); }
.btn-orange { background: var(--c-orange); color: #fff; }
.btn-orange:hover { background: var(--c-orange-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232,90,32,.35); }
.btn-ghost { background: transparent; border: 1.5px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline { background: transparent; border: 1.5px solid var(--c-blue); color: var(--c-blue); }
.btn-outline:hover { background: var(--c-blue); color: #fff; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(7,42,71,.92) 0%, rgba(11,61,102,.78) 45%, rgba(11,61,102,.35) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: var(--nav-h); }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; letter-spacing: 2px;
  padding: 7px 16px; border: 1px solid rgba(255,255,255,.3); border-radius: 30px;
  margin-bottom: 26px; color: var(--c-blue-light);
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-orange); box-shadow: 0 0 10px var(--c-orange); }
.hero h1 { font-size: clamp(34px, 5.5vw, 64px); font-weight: 800; line-height: 1.15; letter-spacing: 1px; }
.hero h1 .hl { color: var(--c-orange-light); }
.hero p.sub { font-size: clamp(16px, 2vw, 21px); margin: 22px 0 36px; max-width: 620px; color: rgba(255,255,255,.88); }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 64px; flex-wrap: wrap; }
.hero-stats .stat b { font-size: 38px; font-weight: 800; color: #fff; display: block; line-height: 1; }
.hero-stats .stat span { font-size: 14px; color: rgba(255,255,255,.7); letter-spacing: 1px; }
.scroll-hint { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 3; color: rgba(255,255,255,.7); font-size: 13px; animation: bob 2s infinite; }
@keyframes bob { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section-soft { background: var(--c-bg-soft); }
.section-dark { background: var(--c-bg-dark); color: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow { color: var(--c-orange); font-weight: 700; letter-spacing: 3px; font-size: 14px; text-transform: uppercase; }
.section-head h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; margin: 12px 0 16px; color: var(--c-navy); }
.section-dark .section-head h2 { color: #fff; }
.section-head p { color: var(--c-text-soft); font-size: 18px; }
.section-dark .section-head p { color: rgba(255,255,255,.7); }

/* ---------- 产品卡片（首页4列）---------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card {
  background: #fff; border-radius: var(--radius); padding: 32px 26px; position: relative;
  border: 1px solid var(--c-border); transition: all .3s; overflow: hidden;
}
.prod-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:4px; background: var(--c-blue); transform: scaleX(0); transform-origin:left; transition:.3s; }
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.prod-card:hover::before { transform: scaleX(1); }
.prod-card .ico { width: 56px; height: 56px; border-radius: 14px; display:flex; align-items:center; justify-content:center; font-size: 28px; margin-bottom: 20px; }
.prod-card h3 { font-size: 21px; color: var(--c-navy); margin-bottom: 10px; }
.prod-card p { font-size: 15px; color: var(--c-text-soft); margin-bottom: 18px; min-height: 66px; }
.prod-card .more { font-size: 14px; font-weight: 600; color: var(--c-blue); display: inline-flex; align-items: center; gap: 6px; }
.prod-card .more::after { content: "→"; transition: .2s; }
.prod-card:hover .more::after { transform: translateX(4px); }
.c-purple { background: linear-gradient(135deg,#7B5BE6,#5B3FC4); }
.c-red { background: linear-gradient(135deg,#E85A20,#C63D12); }
.c-blue2 { background: linear-gradient(135deg,#378ADD,#1F6BB0); }
.c-green { background: linear-gradient(135deg,#1FA971,#0E7A50); }

/* ---------- 技术优势（3列）---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.feat { text-align: center; padding: 12px; }
.feat .fico { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 18px; background: rgba(55,138,221,.1); display:flex; align-items:center; justify-content:center; font-size: 34px; }
.feat h3 { font-size: 21px; color: var(--c-navy); margin-bottom: 10px; }
.feat p { font-size: 15px; color: var(--c-text-soft); }

/* ---------- 场景图片墙 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.scene-item { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-sm); }
.scene-item img { width:100%; height:100%; object-fit: cover; transition: transform .5s; }
.scene-item:hover img { transform: scale(1.08); }
.scene-item .cap { position: absolute; left:0; right:0; bottom:0; padding: 16px; background: linear-gradient(transparent, rgba(7,42,71,.85)); color:#fff; font-weight:600; font-size: 15px; }
.scene-tags { display:flex; justify-content:center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.scene-tags span { padding: 8px 20px; border: 1px solid var(--c-border); border-radius: 30px; font-size: 14px; color: var(--c-text-soft); background:#fff; }

/* ---------- 客户/案例占位 ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6,1fr); gap: 20px; align-items: center; }
.logo-wall .ph { aspect-ratio: 3/2; border: 1.5px dashed var(--c-border); border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center; color: var(--c-text-soft); font-size: 13px; background:#fff; }

/* ---------- 新闻列表 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.news-card { background:#fff; border-radius: var(--radius); overflow: hidden; border:1px solid var(--c-border); transition: all .3s; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .thumb { aspect-ratio: 16/9; background: linear-gradient(135deg,var(--c-navy),var(--c-blue)); display:flex; align-items:center; justify-content:center; color: rgba(255,255,255,.85); font-size: 14px; letter-spacing:1px; }
.news-card .body { padding: 22px; }
.news-card .date { font-size: 13px; color: var(--c-orange); font-weight: 600; }
.news-card h3 { font-size: 18px; color: var(--c-navy); margin: 8px 0 10px; line-height: 1.4; }
.news-card p { font-size: 14px; color: var(--c-text-soft); }

/* ---------- 页脚 ---------- */
.footer { background: var(--c-navy-deep); color: rgba(255,255,255,.78); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color:#fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.footer a { display:block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.72); transition: .2s; }
.footer a:hover { color: var(--c-blue-light); padding-left: 4px; }
.footer .logo { color:#fff; margin-bottom: 16px; }
.footer .desc { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom a { display:inline; color: rgba(255,255,255,.6); }

/* ---------- 产品详情页 ---------- */
.page-hero { background: linear-gradient(120deg, var(--c-navy-deep), var(--c-navy)); color:#fff; padding: calc(var(--nav-h) + 70px) 0 70px; }
.page-hero .eyebrow { color: var(--c-orange-light); letter-spacing: 3px; font-size: 13px; font-weight: 700; }
.page-hero h1 { font-size: clamp(30px,4vw,48px); font-weight: 800; margin: 14px 0 16px; }
.page-hero p { max-width: 680px; font-size: 17px; color: rgba(255,255,255,.82); }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--c-blue-light); }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.detail-grid.rev { direction: rtl; }
.detail-grid.rev > * { direction: ltr; }
.detail-grid .txt h2 { font-size: 28px; color: var(--c-navy); margin-bottom: 16px; }
.detail-grid .txt p { color: var(--c-text-soft); font-size: 16px; margin-bottom: 18px; }
.detail-grid .txt ul.flist li { padding-left: 28px; position: relative; margin-bottom: 10px; font-size: 15px; }
.detail-grid .txt ul.flist li::before { content: "✓"; position: absolute; left:0; top:0; color: var(--c-orange); font-weight: 800; }
.detail-grid .media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.detail-grid .media img { width: 100%; }

/* ---------- 子产品网格（e-xy）---------- */
.sub-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.sub-card { background:#fff; border:1px solid var(--c-border); border-radius: var(--radius); padding: 26px; transition: all .3s; }
.sub-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--c-blue); }
.sub-card .badge { display:inline-block; font-size:12px; font-weight:700; color:#fff; background: var(--c-blue); padding: 3px 12px; border-radius: 20px; margin-bottom: 14px; }
.sub-card h3 { font-size: 18px; color: var(--c-navy); margin-bottom: 8px; }
.sub-card p { font-size: 14px; color: var(--c-text-soft); }

/* ---------- 联系表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info .ci { display:flex; gap: 16px; margin-bottom: 26px; }
.contact-info .ci .ic { width: 48px; height:48px; border-radius: 12px; background: rgba(55,138,221,.1); display:flex; align-items:center; justify-content:center; font-size: 22px; flex-shrink:0; }
.contact-info .ci h4 { font-size: 16px; color: var(--c-navy); margin-bottom: 4px; }
.contact-info .ci p { font-size: 15px; color: var(--c-text-soft); }
.form-box { background:#fff; border:1px solid var(--c-border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-box label { display:block; font-size: 14px; font-weight:600; color: var(--c-text); margin-bottom: 7px; }
.form-box input, .form-box textarea { width:100%; padding: 12px 14px; border:1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 15px; margin-bottom: 18px; font-family: inherit; transition: .2s; }
.form-box input:focus, .form-box textarea:focus { outline:none; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(55,138,221,.12); }
.form-box textarea { resize: vertical; min-height: 120px; }

/* ---------- 地图占位 ---------- */
.map-box { height: 360px; border-radius: var(--radius); overflow: hidden; background: linear-gradient(135deg,#dfe7ef,#c7d3e0); display:flex; align-items:center; justify-content:center; color: var(--c-text-soft); font-size: 15px; border:1px solid var(--c-border); }


/* ---------- 原生轮播（无第三方依赖，离线可用） ---------- */
.hero-slider { position: relative; }
.swiper-container { position: relative; height: 42vh; overflow: hidden; }
.swiper-wrapper { position: relative; width: 100%; height: 100%; }
.swiper-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity .9s ease, visibility .9s ease;
}
.swiper-slide.active { opacity: 1; visibility: visible; }
.swiper-slide h1 { font-size: clamp(40px, 6.2vw, 74px); font-weight: 800; line-height: 1.15; letter-spacing: 1px; color:#fff; margin: 0; }
.swiper-slide h1 .hl { color: var(--c-orange-light); }
.swiper-slide p.sub { font-size: clamp(18px, 2.2vw, 24px); margin: 22px auto 36px; max-width: 680px; color: rgba(255,255,255,.88); }
.swiper-slide .explore-dot { display:inline-block; width:10px; height:10px; border-radius:50%; border:2px solid rgba(255,255,255,.7); margin-right:8px; vertical-align:middle; }
.swiper-slide .container {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  padding-top: var(--nav-h);
}
/* 分页器 */
.swiper-pagination {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
  z-index: 6; display: flex; gap: 10px;
}
.swiper-pagination-bullet {
  width: 12px; height: 12px; border-radius: 50%; border: none; padding: 0;
  background: rgba(255,255,255,.5); cursor: pointer; transition: .3s;
}
.swiper-pagination-bullet.active { background: var(--c-orange-light); width: 30px; border-radius: 8px; }
/* 左右箭头 */
.swiper-button-prev, .swiper-button-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 6; width: 50px; height: 50px; border-radius: 50%;
  background: rgba(255,255,255,.16); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; user-select: none; transition: .3s;
}
.swiper-button-prev { left: 26px; }
.swiper-button-next { right: 26px; }
.swiper-button-prev:hover, .swiper-button-next:hover { background: rgba(255,255,255,.32); }
/* 移动端轮播高度收敛 */
@media (max-width: 680px) {
  .swiper-container { height: 78vh; }
}
/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: all .7s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 走进公司 strip ---------- */
.about-strip { display: flex; gap: 48px; align-items: center; }
.about-logo { flex-shrink: 0; }
.about-text { flex: 1; }
.about-text h2 { font-size: 28px; color: var(--c-navy); margin: 8px 0 12px; }
.about-text p { color: var(--c-text-soft); line-height: 1.8; font-size: 16px; }

/* ---------- 数据统计 ---------- */
.stats-section { background: var(--c-navy-deep); color: #fff; padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.stat-item { padding: 20px; }
.stat-num { font-size: 56px; font-weight: 800; color: var(--c-orange-light); line-height: 1; margin-bottom: 12px; }
.stat-label { font-size: 17px; color: rgba(255,255,255,.7); }


/* ---------- 新闻列表 ---------- */
.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-item { display: flex; gap: 24px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; transition: all .3s; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-date { display: flex; flex-direction: column; align-items: center; min-width: 70px; }
.news-date .day { font-size: 32px; font-weight: 800; color: var(--c-orange); line-height: 1; }
.news-date .month { font-size: 13px; color: var(--c-text-soft); margin-top: 4px; }
.news-content h3 { font-size: 18px; color: var(--c-navy); margin-bottom: 8px; }
.news-content h3 a { color: inherit; }
.news-content h3 a:hover { color: var(--c-blue); }
.news-content p { color: var(--c-text-soft); font-size: 14px; line-height: 1.6; }

/* ---------- 企业文化 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.culture-item { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px; text-align: center; transition: all .3s; }
.culture-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ci-icon { font-size: 48px; margin-bottom: 16px; }
.culture-item h3 { font-size: 20px; color: var(--c-navy); margin-bottom: 12px; }
.culture-item p { color: var(--c-text-soft); font-size: 15px; }

/* ---------- 组织架构 ---------- */
.org-tree { text-align: center; padding: 40px; }
.org-item { display: inline-block; padding: 16px 32px; background: var(--c-navy); color: #fff; border-radius: var(--radius); font-size: 16px; margin: 8px; }
.org-branches { margin-top: 20px; }
.org-branches .org-item { background: var(--c-blue); }

/* ---------- 解决方案入口 ---------- */
.solution-entrance { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.solution-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px; transition: all .3s; }
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-blue); }
.solution-card h3 { font-size: 20px; color: var(--c-navy); margin-bottom: 12px; }
.solution-card p { color: var(--c-text-soft); margin-bottom: 16px; }

/* ---------- 服务中心：诊断方案 Tab ---------- */
.svc-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 44px; flex-wrap: wrap; }
.svc-tab { padding: 13px 34px; border: 1.5px solid var(--c-border); background: #fff; color: var(--c-text-soft); border-radius: 999px; font-size: 17px; font-weight: 600; cursor: pointer; transition: all .25s; }
.svc-tab:hover { border-color: var(--c-blue); color: var(--c-navy); }
.svc-tab.active { background: var(--c-navy); border-color: var(--c-navy); color: #fff; }
.svc-panel { display: none; animation: fadeUp .5s ease; }
.svc-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.svc-panel-top { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; margin-bottom: 48px; }
.svc-desc p { font-size: 18px; line-height: 1.9; color: var(--c-text-soft); }
.cap-tags { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.cap-tags li { display: flex; align-items: flex-start; gap: 10px; font-size: 16px; color: var(--c-navy); font-weight: 500; line-height: 1.6; }
.cap-tags .tick { color: var(--c-orange); font-weight: 800; flex-shrink: 0; }

/* ---------- 服务中心：两栏图文（设备运维） ---------- */
.mod-two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.mod-two-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.mod-two-img img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 4/3; }
.mod-two-body h3 { font-size: 26px; color: var(--c-navy); margin-bottom: 16px; }
.mod-two-body p { font-size: 17px; line-height: 1.9; color: var(--c-text-soft); margin-bottom: 28px; }

/* ---------- 通用统计数字 ---------- */
.stat-row { display: flex; gap: 56px; flex-wrap: wrap; }
.stat-row.center { justify-content: center; margin-top: 48px; }
.stat-big { text-align: center; }
.stat-num { display: block; font-size: 52px; font-weight: 800; color: var(--c-orange); line-height: 1; }
.stat-label { display: block; margin-top: 12px; font-size: 16px; color: var(--c-text-soft); }

/* ---------- 服务中心：服务保障编号列表 ---------- */
.svc-num-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.svc-num-item { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 36px 30px; transition: all .3s; }
.svc-num-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-blue); }
.svc-num-item .num { display: block; font-size: 40px; font-weight: 800; color: var(--c-orange-light); line-height: 1; margin-bottom: 18px; }
.svc-num-item h3 { font-size: 21px; color: var(--c-navy); margin-bottom: 12px; }
.svc-num-item p { font-size: 15px; color: var(--c-text-soft); line-height: 1.8; }

/* ---------- 服务中心：诊断箱案例列表 ---------- */
.video-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.video-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; transition: all .3s; }
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.vc-thumb { aspect-ratio: 16/9; overflow: hidden; }
.vc-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vc-body { padding: 22px 24px 26px; }
.vc-no { font-size: 19px; font-weight: 800; color: var(--c-navy); margin-bottom: 8px; }
.vc-meta { font-size: 14px; color: var(--c-text-soft); margin-bottom: 16px; }
.vc-play { display: inline-block; color: var(--c-orange); font-weight: 700; font-size: 15px; }
.vc-play:hover { color: var(--c-orange-light); }
.center-btn { text-align: center; margin-top: 44px; }

/* ---------- 响应式 ---------- */

@media (max-width: 980px) {
  .prod-grid, .scene-grid { grid-template-columns: repeat(2,1fr); }
  .feat-grid, .news-grid, .sub-grid { grid-template-columns: 1fr 1fr; }
  .logo-wall { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-grid.rev { direction: ltr; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: var(--nav-h); left:0; right:0; flex-direction: column; background:#fff; padding: 16px; box-shadow: var(--shadow-md); border-top:1px solid var(--c-border); }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 20px; opacity: 1; visibility: visible; transform: none; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .about-strip { flex-direction: column; text-align: center; }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; }
  .nav-toggle { display: flex; }
  .prod-grid, .scene-grid, .feat-grid, .news-grid, .sub-grid, .logo-wall, .footer-grid { grid-template-columns: 1fr; }
  .svc-panel-top, .mod-two, .svc-num-list, .video-list, .stat-row { grid-template-columns: 1fr; }
  .stat-row { gap: 32px; justify-content: center; }
  .hero-stats { gap: 28px; }
  .section { padding: 64px 0; }
  .container, .container-wide { padding: 0 18px; }
}