/* =========================================================
   广东锐机智能装备科技有限公司 - 官网模板样式
   template/ruiji/html/css/ruiji.css
   品牌主色：#005FA3  辅助橙（仅关键点击位，≤5%）：#EA7A2E
   ========================================================= */
:root{
  --navy:#013a63;      /* 深品牌蓝：标题/深色文字 */
  --navy-2:#005FA3;    /* 品牌主色：导航高亮/链接/图标/常规按钮 */
  --navy-3:#1173c4;    /* 亮品牌蓝：渐变辅助 */
  --ink:#013055;       /* 深底：页脚/首屏遮罩 */
  --accent:#EA7A2E;    /* 橙：仅按钮、主打卡等最需点击处 */
  --accent-d:#d2661c;
  --bg:#f3f7fb;
  --line:#e3ecf4;
  --text:#2a3240;
  --muted:#77839a;
  --shadow:0 10px 30px rgba(1,58,99,.10);
  --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--text);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  background:#fff;word-break:break-word;
}
img{max-width:100%;border:0;vertical-align:middle}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s}
a:hover{color:var(--navy-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:15px;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hidden{display:none!important}

/* ============ 通用版块 ============ */
.sec{padding:80px 0}
.sec-tint{background:var(--bg)}
.sec-head{max-width:720px;margin:0 auto 50px;text-align:center}
.sec-eyebrow{
  display:inline-block;color:var(--navy-2);letter-spacing:4px;font-size:14px;
  font-weight:600;margin-bottom:10px;
}
.sec-head h2{
  font-size:34px;line-height:1.35;color:var(--navy);font-weight:700;
}
.sec-head h2 em{font-style:normal;color:var(--navy-2)}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px}
.sec-more{
  display:inline-block;margin-top:14px;color:var(--navy-2);font-size:15px;
  border-bottom:1px solid transparent;
}
.sec-more:hover{color:var(--navy);border-bottom-color:var(--navy-2)}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ============ 顶部主导航 ============ */
.mainbar{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .3s;
}
.mainbar.scrolled{box-shadow:0 6px 24px rgba(1,58,99,.10)}
.mainbar .container{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px;min-height:50px}
.logo .logo-img{height:48px;width:auto}
.logo-mark{
  display:block;width:40px;height:40px;border-radius:8px;flex:0 0 40px;object-fit:cover;
}
.logo-txt strong{display:block;font-size:19px;color:var(--navy);line-height:1.25;font-weight:700;letter-spacing:1px;white-space:nowrap}
.logo-txt span{display:block;font-size:10.5px;color:var(--muted);letter-spacing:1.2px;text-transform:uppercase;white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.nav>li>a{
  display:block;padding:10px 12px;font-size:15px;color:var(--text);
  position:relative;font-weight:500;white-space:nowrap;letter-spacing:.3px;
  border-radius:9px;transition:color .2s,background-color .2s;
}
.nav>li>a:hover,.nav>li.active>a{color:var(--navy-2);background:var(--bg)}
.nav-cta{margin-left:10px}
.nav-cta a{white-space:nowrap}
.nav>li{position:relative}
.nav>li.has-sub>a{padding-right:26px}
.nav>li.has-sub>a::before{
  content:"";position:absolute;right:11px;top:50%;width:6px;height:6px;
  border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;
  transform:translateY(-72%) rotate(45deg);transition:transform .25s;
}
.nav>li.has-sub:hover>a::before,.nav>li.has-sub.open>a::before{transform:translateY(-30%) rotate(-135deg)}
.nav .subnav{
  position:absolute;top:100%;left:50%;min-width:196px;z-index:30;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 16px 36px rgba(1,58,99,.14);padding:8px;
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);
  transition:opacity .22s,transform .22s,visibility .22s;
}
.nav>li.has-sub:hover>.subnav,.nav>li.has-sub.open>.subnav,.nav>li.has-sub:focus-within>.subnav{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.nav .subnav li a{
  display:block;padding:9px 18px;font-size:15px;color:var(--text);white-space:nowrap;border-radius:8px;
}
.nav .subnav li a:hover,.nav .subnav li a.on{background:var(--bg);color:var(--navy-2)}
.subtog{display:none}
.burger{display:none;width:42px;height:42px;position:relative}

.burger i{
  position:absolute;left:9px;right:9px;height:2px;background:var(--navy);
  transition:all .3s;
}
.burger i:nth-child(1){top:13px}.burger i:nth-child(2){top:20px}.burger i:nth-child(3){top:27px}
.mainbar.nav-open .burger i:nth-child(1){top:20px;transform:rotate(45deg)}
.mainbar.nav-open .burger i:nth-child(2){opacity:0}
.mainbar.nav-open .burger i:nth-child(3){top:20px;transform:rotate(-45deg)}

/* 按钮（btn-gold=橙色，仅用于最关键点击位；其余均为品牌蓝） */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 30px;border-radius:6px;font-size:16px;font-weight:500;
  transition:all .25s;border:1px solid transparent;line-height:1.6;
}
.btn-gold{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-d) 100%);color:#fff;box-shadow:0 6px 18px rgba(234,122,46,.35)}
.btn-gold:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-navy{background:var(--navy-2);color:#fff}
.btn-navy:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.btn-line{border-color:var(--navy-2);color:var(--navy-2)}
.btn-line:hover{background:var(--navy-2);color:#fff}
.btn-sm{padding:8px 22px;font-size:15px}

/* ============ 首屏 Banner（幻灯片，自动适配屏幕高度） ============ */
.hero{
  position:relative;height:calc(100vh - 75px);height:calc(100svh - 75px);
  min-height:520px;display:flex;align-items:center;overflow:hidden;
}
.hero-slides{position:absolute;inset:0}
.hero-slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transform:scale(1.06);transition:opacity 1s ease,transform 6.5s linear;
}
.hero-slide.on{opacity:1;transform:scale(1)}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(1,35,64,.88) 0%,rgba(1,48,85,.62) 45%,rgba(0,95,163,.30) 100%);
}
.hero-inner{position:relative;z-index:2;color:#fff;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.4);
  padding:6px 16px;border-radius:30px;font-size:14px;letter-spacing:2px;margin-bottom:26px;
  color:#cfe6f8;background:rgba(255,255,255,.08);
}
.hero-titles{display:grid}
.hero-cap{
  grid-area:1/1;opacity:0;transform:translateY(20px);
  transition:opacity .8s ease,transform .8s ease;pointer-events:none;
}
.hero-cap.on{opacity:1;transform:none}
.hero-cap h1,.hero-cap h2{
  font-size:clamp(26px,3.6vw,44px);line-height:1.4;font-weight:700;
  letter-spacing:2px;text-shadow:0 4px 18px rgba(1,30,55,.45);
}
.hero-cap p{
  margin-top:14px;font-size:clamp(13px,1.4vw,18px);color:#d9e6f2;
  letter-spacing:2px;text-shadow:0 2px 10px rgba(1,30,55,.45);
}
.hero-btns{margin-top:34px;display:flex;gap:18px;flex-wrap:wrap}
.hero-dots{
  position:absolute;right:34px;bottom:32px;z-index:3;display:flex;gap:10px;
}
.hero-dots button{
  width:30px;height:5px;border-radius:3px;background:rgba(255,255,255,.42);
  transition:background .3s;
}
.hero-dots button.on{background:#fff}
.hero-down{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  color:#fff;opacity:.75;font-size:13px;letter-spacing:2px;text-align:center;
}
.hero-down span{
  display:block;width:26px;height:40px;margin:0 auto 6px;border:2px solid rgba(255,255,255,.7);
  border-radius:14px;position:relative;
}
.hero-down span::after{
  content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;
  border-radius:2px;background:#7cc0f5;animation:drop 1.6s infinite;
}
@keyframes drop{0%{top:7px;opacity:1}70%{top:19px;opacity:0}100%{top:7px;opacity:0}}

/* ============ 四大核心业务 ============ */
.biz-hero{
  display:grid;grid-template-columns:1.1fr 1fr;border-radius:14px;overflow:hidden;
  background:linear-gradient(120deg,#f08a3c 0%,#EA7A2E 45%,#d2661c 100%);
  color:#fff;box-shadow:0 14px 34px rgba(234,122,46,.30);margin-bottom:26px;
}
.biz-hero-txt{padding:44px 46px}
.biz-hero-txt .k{
  display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.20);
  padding:4px 14px;border-radius:20px;font-size:14px;letter-spacing:1px;margin-bottom:16px;
}
.biz-hero-txt .k::before{content:"★";font-size:13px}
.biz-hero-txt h3{font-size:30px;font-weight:700;letter-spacing:1px}
.biz-hero-txt .tags{margin:14px 0 16px;font-size:16px;color:#ffe7d3;letter-spacing:1px}
.biz-hero-txt p{color:rgba(255,255,255,.94);font-size:15px}
.biz-hero-txt .btn{margin-top:22px;background:#fff;color:var(--accent-d)}
.biz-hero-txt .btn:hover{background:var(--navy);color:#fff}
.biz-hero-img{position:relative;min-height:260px}
.biz-hero-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.biz-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .3s;display:block;
}
.biz-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow);
  border-color:transparent;
}
.biz-card-img{height:150px;overflow:hidden}
.biz-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.biz-card:hover .biz-card-img img{transform:scale(1.07)}
.biz-card-body{padding:20px 20px 22px}
.biz-card-body h3{
  font-size:19px;color:var(--navy);font-weight:700;margin-bottom:12px;
  display:flex;align-items:center;gap:9px;
}
.biz-card-body h3 i{
  width:8px;height:8px;border-radius:50%;background:var(--navy-2);flex:0 0 8px;font-style:normal;
}
.biz-card-body li{
  position:relative;padding:4px 0 4px 15px;color:var(--muted);font-size:14.5px;
}
.biz-card-body li::before{
  content:"";position:absolute;left:0;top:13px;width:6px;height:6px;
  border:1px solid var(--navy-2);transform:rotate(45deg);
}

/* ============ 为什么选择我们（编号图文交替） ============ */
.why-item{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.why-item + .why-item{margin-top:70px}
.why-item:nth-child(even) .why-pic{order:-1}
.why-title{display:flex;gap:18px;align-items:flex-start;margin-bottom:20px}
.why-title .num{
  flex:0 0 46px;width:46px;height:46px;border-radius:8px;
  background:linear-gradient(135deg,var(--navy-2),var(--navy-3));
  transform:rotate(45deg);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(0,95,163,.28);margin:4px 6px 0 6px;
}
.why-title .num i{transform:rotate(-45deg);font-style:normal;color:#fff;font-size:21px;font-weight:700;font-family:Georgia,"Times New Roman",serif}
.why-title h3{font-size:24px;color:#3a4354;font-weight:700;line-height:1.4}
.why-title h3 b{color:var(--navy-2);font-weight:700}
.why-title em{display:block;font-style:normal;color:#9aa7b8;font-size:13px;letter-spacing:1px;margin-top:2px}
.why-txt .ul-txt{padding-left:70px}
.why-txt .ul-txt li{
  position:relative;padding:6px 0 6px 24px;color:#4a5568;font-size:16px;
}
.why-txt .ul-txt li::before{
  content:"";position:absolute;left:2px;top:16px;width:7px;height:7px;
  background:var(--navy-2);transform:rotate(45deg);
}
.why-txt .ul-txt li b{color:var(--navy-2);font-weight:600}
.collage{display:grid;gap:16px}
.collage img{
  width:100%;height:100%;object-fit:cover;border:5px solid #fff;border-radius:4px;
  box-shadow:0 14px 30px rgba(1,48,85,.16);background:#e8eff6;
}
.cg-a{grid-template-columns:1.6fr 1fr;grid-auto-rows:188px}
.cg-a img:first-child{grid-column:1/-1}
.cg-b{grid-template-columns:1fr 1fr;grid-auto-rows:188px}
.cg-c{grid-template-columns:1fr 1.5fr;grid-auto-rows:188px}
.cg-c img:first-child{grid-row:span 2}
.cg-d{grid-template-columns:1fr 1fr;grid-auto-rows:188px}

/* ============ 工程案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-grid.prod .case-img{height:auto;aspect-ratio:3/2}
.chip-hot{background:linear-gradient(90deg,#f0a020,#dd8a06)}

/* 首页新闻资讯：上 2列×3行大图卡，下 问答/资料 左右各半 */
.hn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.hn-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s,box-shadow .3s;display:flex;gap:14px;align-items:center;padding:12px;
}
.hn-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.hn-img{flex:0 0 240px;height:156px;border-radius:8px;overflow:hidden}
.hn-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.hn-card:hover .hn-img img{transform:scale(1.06)}
.hn-body{flex:1;min-width:0;padding-right:2px}
.hn-body h3{
  margin-top:7px;font-size:16.5px;color:var(--navy);font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hn-card:hover .hn-body h3{color:var(--navy-2)}
.hn-body p{
  margin-top:6px;color:var(--muted);font-size:13.5px;line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hn-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}
.hn-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px 24px}
.hn-panel-head{
  display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:4px;
}
.hn-panel-head h3{display:flex;align-items:center;gap:9px;font-size:17px;color:var(--navy);font-weight:700}
.hn-panel-head h3 i{flex:0 0 4px;width:4px;height:17px;border-radius:2px;background:linear-gradient(180deg,var(--navy-2),var(--navy-3))}
.hn-panel .sec-more{margin-top:0}

/* 问答：一问一答，问题左、回答右（回答超长滚动） */
.hn-qa li{display:flex;gap:14px;align-items:stretch;padding:11px 0}
.hn-qa li + li{border-top:1px dashed var(--line)}
.qa-q{
  flex:0 0 42%;display:flex;gap:9px;align-items:flex-start;color:var(--navy);
  font-size:14.5px;font-weight:600;line-height:1.55;
}
.qa-q i{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--navy-2);color:#fff;
  font-style:normal;font-weight:700;font-size:12px;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.qa-q span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qa-a{
  flex:1;min-width:0;color:var(--muted);font-size:13.5px;line-height:1.7;
  max-height:76px;overflow-y:auto;padding-right:6px;
  scrollbar-width:thin;
}
.qa-a::-webkit-scrollbar{width:4px}
.qa-a::-webkit-scrollbar-thumb{background:#cdd8e6;border-radius:2px}

/* 技术资料：标题左、日期右，单行 */
.hn-tech li + li{border-top:1px dashed var(--line)}
.hn-tech a{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:13px 0;color:var(--text);font-size:14.5px;
}
.hn-tech .side-item-title{
  flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hn-tech a:hover .side-item-title{color:var(--navy-2)}
.hn-tech time{flex:0 0 auto;color:#a6b1c2;font-size:13px}

/* 新闻通用小件（首页卡片/侧栏问答共用） */
.nh-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:#a6b1c2}
.nh-cat{color:var(--navy-2);font-weight:600}
.side-qa li + li{border-top:1px dashed var(--line)}
.side-qa a{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;color:var(--text);
  font-size:14.5px;line-height:1.55;
}
.side-qa i{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--bg);color:var(--navy-2);
  font-style:normal;font-weight:700;font-size:12px;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.side-qa a:hover .side-item-title{color:var(--navy-2)}
.side-card .sec-more{display:inline-block;margin-top:14px;font-size:14px}

/* 内联公司视频播放器 */
.video-inline{
  position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:#000;
}
.video-inline video{display:block;width:100%;height:380px;object-fit:cover;background:#000}
.video-cover{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;cursor:pointer;background:linear-gradient(rgba(1,35,64,.18),rgba(1,35,64,.38));
}
.video-cover em{color:#fff;font-size:14px;letter-spacing:2px;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.video-exit{
  position:absolute;top:12px;right:12px;z-index:3;width:36px;height:36px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:22px;line-height:1;border:none;cursor:pointer;
  display:none;align-items:center;justify-content:center;
}
.video-exit:hover{background:rgba(0,0,0,.75)}
.video-playing .video-exit{display:flex}
.video-playing .video-cover{display:none}

@media (max-width:992px){
  .hn-grid{grid-template-columns:1fr}
  .hn-cols{grid-template-columns:1fr}
  .hn-img{flex:0 0 200px;height:130px}
  .video-inline video{height:300px}
}
.case-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;transition:all .3s;display:block;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case-img{height:210px;overflow:hidden;position:relative}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-img img{transform:scale(1.07)}
.case-chip{
  position:absolute;left:12px;top:12px;background:rgba(1,58,99,.85);color:#fff;
  font-size:13px;padding:3px 12px;border-radius:20px;letter-spacing:1px;
}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:18px;color:var(--navy);font-weight:700;line-height:1.5}
.case-body h3:hover{color:var(--navy-2)}
.case-body p{margin-top:10px;color:var(--muted);font-size:14.5px}

/* ============ 合作流程 ============ */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;counter-reset:step}
.step{text-align:center;position:relative;padding:0 4px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:flex;align-items:center;justify-content:center;
  width:64px;height:64px;margin:0 auto;border-radius:50%;
  background:#fff;border:2px solid var(--navy-2);color:var(--navy-2);
  font-size:20px;font-weight:700;font-family:Georgia,serif;position:relative;z-index:2;
  transition:all .3s;
}
.step:hover::before{background:var(--navy-2);color:#fff}
.step::after{
  content:"";position:absolute;top:31px;left:calc(50% + 34px);right:calc(-50% + 34px);
  height:2px;background:repeating-linear-gradient(90deg,var(--navy-2) 0 7px,transparent 7px 13px);
}
.step:last-child::after{display:none}
.step h4{margin-top:14px;font-size:16.5px;color:var(--navy);font-weight:700}
.step p{margin-top:4px;font-size:13.5px;color:var(--muted)}

/* 通屏广告 CTA */
.cta{margin-top:64px;position:relative;border-radius:14px;overflow:hidden;min-height:230px;display:flex;align-items:center}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(1,35,64,.92) 0%,rgba(1,58,99,.80) 55%,rgba(0,95,163,.45) 100%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;width:100%;padding:44px 50px;color:#fff;flex-wrap:wrap}
.cta-txt h3{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:1px}
.cta-txt p{margin-top:8px;color:#c9d9ea;font-size:15.5px}
.cta-act{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.cta-phone{display:flex;align-items:center;gap:14px}
.cta-phone i{
  width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;flex:0 0 52px;
}
.cta-phone i svg{width:24px;height:24px;fill:#fff}
.cta-phone b{display:block;font-size:26px;font-family:Georgia,serif;letter-spacing:1px;line-height:1.2}
.cta-phone span{font-size:13px;color:#c9d9ea;letter-spacing:2px}

/* ============ 公司简介 ============ */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
.about-txt h2{font-size:32px;color:var(--navy);font-weight:700;margin-bottom:6px}
.about-txt .en{color:var(--navy-2);font-size:14px;letter-spacing:3px;margin-bottom:20px;display:block}
.about-txt p{color:#5a6678;margin-bottom:14px}
.about-txt .p{color:#5a6678;margin-bottom:14px}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:18px 0 26px}
.about-feats li{
  position:relative;padding-left:24px;font-size:15px;color:var(--navy);
}
.about-feats li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--navy-2);font-weight:700;
}
.video-card{
  position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer;display:block;width:100%;
}
.video-card img{width:100%;height:380px;object-fit:cover;display:block}
.video-card::after{content:"";position:absolute;inset:0;background:rgba(1,35,64,.30)}
.play-btn{
  position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);
  width:84px;height:84px;border-radius:50%;background:rgba(234,122,46,.94);
  display:flex;align-items:center;justify-content:center;transition:transform .3s;
}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.08)}
.play-btn::after{
  content:"";border-style:solid;border-width:15px 0 15px 25px;
  border-color:transparent transparent transparent #fff;margin-left:6px;
}
.video-card em{
  position:absolute;z-index:3;left:0;right:0;bottom:18px;text-align:center;color:#fff;
  font-style:normal;font-size:15px;letter-spacing:2px;
}

/* ============ 合作伙伴 ============ */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.partner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;padding:18px;
  transition:all .3s;filter:grayscale(1);opacity:.82;
}
.partner:hover{filter:none;opacity:1;box-shadow:var(--shadow);transform:translateY(-4px)}
.partner img{max-height:76px;object-fit:contain}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:#a9bbd2;font-size:15px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 46px}
.footer h4{color:#fff;font-size:17px;font-weight:600;margin-bottom:18px;letter-spacing:1px;position:relative;padding-bottom:12px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--navy-3)}
.footer-info strong{display:block;color:#fff;font-size:19px;margin-bottom:12px;letter-spacing:1px}
.footer-info p{margin-bottom:8px}
.footer-info a:hover{color:#fff}
.footer ul li{margin-bottom:9px}
.footer-contact{margin-bottom:16px}
.footer-social{display:flex;gap:12px;margin-top:6px}
.soc{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;transition:all .3s;position:relative;
}
.soc svg{width:19px;height:19px;fill:#cdd8e6;transition:fill .3s}
.soc:hover{background:var(--navy-2);border-color:var(--navy-2)}
.soc:hover svg{fill:#fff}
.qr-pop{
  position:absolute;bottom:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(6px);
  background:#fff;border-radius:10px;padding:12px 12px 8px;box-shadow:0 12px 34px rgba(0,0,0,.28);
  opacity:0;visibility:hidden;transition:all .3s;width:158px;text-align:center;z-index:60;
}
.qr-pop::after{
  content:"";position:absolute;top:100%;left:50%;margin-left:-7px;
  border:7px solid transparent;border-top-color:#fff;
}
.qr-pop img{width:134px;height:134px;display:block;margin:0 auto}
.qr-pop span{display:block;color:#5a6678;font-size:13px;padding:6px 0 2px}
.soc.on .qr-pop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
@media (hover:hover){
  .soc:hover .qr-pop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
}
.footer-links{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}
.footer-links b{color:#fff;font-weight:600;letter-spacing:1px;flex:0 0 auto}
.footer-links a{color:#a9bbd2;margin-right:6px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0;text-align:center;font-size:14px;color:#7e93af}
.footer-bottom a{color:#7e93af}
.footer-bottom a:hover{color:#fff}

/* 悬浮工具 & 移动端快捷条 */
.to-top{
  position:fixed;right:22px;bottom:96px;width:46px;height:46px;border-radius:8px;
  background:var(--navy-2);color:#fff;display:none;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(1,58,99,.35);z-index:90;transition:background .3s;
}
.to-top:hover{background:var(--navy)}
.to-top svg{width:20px;height:20px;fill:#fff}
.to-top.show{display:flex}
.mbar{display:none}

/* ============ 视频弹窗 ============ */
.modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  background:rgba(1,20,36,.88);padding:20px;
}
.modal.on{display:flex}
.modal-box{position:relative;width:min(880px,94vw)}
.modal-box video{width:100%;border-radius:10px;display:block;background:#000;min-height:200px}
.modal-close{
  position:absolute;top:-46px;right:-6px;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;font-size:18px;line-height:1;
}
.modal-close::before{content:"✕";display:block;text-align:center;line-height:38px}
.modal-close:hover{background:var(--navy-2)}
.modal-hint{
  position:absolute;left:0;right:0;bottom:18px;text-align:center;color:#c9d9ea;font-size:14px;display:none;
}

/* ============ 内页 ============ */
.page-hero{
  background:linear-gradient(110deg,#013055 0%,#005FA3 72%,#1173c4 100%);
  color:#fff;min-height:500px;display:flex;align-items:center;
  padding:60px 0;position:relative;overflow:hidden;
}
.page-hero.has-pic{background-size:cover;background-position:center}
.page-hero.has-pic::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(100deg,rgba(1,35,64,.82) 0%,rgba(1,48,85,.55) 55%,rgba(0,95,163,.35) 100%);
}
.page-hero .container{position:relative;z-index:1;width:100%}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%);
}
.page-hero h1{font-size:32px;font-weight:700;letter-spacing:2px;position:relative;z-index:2}
.page-hero p{position:relative;z-index:2;color:#c9d9ea;margin-top:8px;font-size:15px;letter-spacing:1px}
.crumb{font-size:14px;color:#9db1ca;margin-top:10px}
.crumb a{color:#cdd8e6}
.crumb a:hover{color:#7cc0f5}

.page-body{padding:54px 0 70px}
.sonnav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.sonnav a{
  padding:8px 20px;border-radius:30px;border:1px solid var(--line);color:var(--muted);font-size:15px;
}
.sonnav a:hover,.sonnav a.on{background:var(--navy-2);border-color:var(--navy-2);color:#fff}

/* 内页列表 */
.grid-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-list.col3{grid-template-columns:repeat(3,1fr)}
.grid-list.col2{grid-template-columns:repeat(2,1fr)}
.cell{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:all .3s;display:block;
}
.cell:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cell-img{height:190px;overflow:hidden}
.cell-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cell:hover .cell-img img{transform:scale(1.06)}
.cell-body{padding:16px 18px 20px}
.cell-body h3{font-size:16.5px;color:var(--navy);font-weight:600;line-height:1.5}
.cell-body h3:hover{color:var(--navy-2)}
.cell-body p{margin-top:8px;color:var(--muted);font-size:14px}
.cell-date{margin-top:10px;font-size:13px;color:#a6b1c2}

/* 新闻列表行（大图版） */
.news-row{
  display:flex;gap:28px;padding:24px 6px;border-bottom:1px dashed var(--line);align-items:center;
}
.news-row:first-child{border-top:1px solid var(--line)}
.news-row .cell-img{flex:0 0 400px;height:235px;border-radius:10px}
.news-row-txt{flex:1;min-width:0}
.news-row h3{font-size:19px;color:var(--navy);font-weight:600;line-height:1.5}
.news-row h3:hover{color:var(--navy-2)}
.news-row p{margin-top:9px;color:var(--muted);font-size:14.5px;line-height:1.8}
.news-row time{margin-top:10px;display:block;color:#a6b1c2;font-size:13px}

/* 新闻详情：左正文 + 右侧栏 */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.news-side{position:sticky;top:86px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.side-card h3{
  display:flex;align-items:center;gap:9px;font-size:17px;color:var(--navy);font-weight:700;
  padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line);
}
.side-card h3 i{flex:0 0 4px;width:4px;height:17px;border-radius:2px;background:linear-gradient(180deg,var(--navy-2),var(--navy-3))}
.side-rank li + li{border-top:1px dashed var(--line)}
.side-rank a{
  display:flex;align-items:center;gap:12px;padding:11px 0;color:var(--text);font-size:14.5px;line-height:1.55;
}
.side-rank a:hover .rank-title{color:var(--navy-2)}
.rank-no{
  flex:0 0 24px;width:24px;height:24px;border-radius:5px;background:var(--bg);color:#a6b1c2;
  font-size:13px;font-weight:700;font-style:normal;display:flex;align-items:center;justify-content:center;
}
.side-rank li:nth-child(1) .rank-no{background:var(--navy-2);color:#fff}
.side-rank li:nth-child(2) .rank-no{background:#2e7fc0;color:#fff}
.side-rank li:nth-child(3) .rank-no{background:#63a4d8;color:#fff}
.rank-title{flex:1;min-width:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{display:block;padding:11px 0;color:var(--text)}
.side-item-title{
  display:block;font-size:14.5px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-list a:hover .side-item-title{color:var(--navy-2)}
.side-list time{display:block;margin-top:4px;color:#a6b1c2;font-size:13px}
.side-tags{display:flex;flex-wrap:wrap;gap:9px;padding-top:10px}
.side-tags a{
  border:1px solid var(--line);border-radius:20px;padding:5px 14px;color:var(--muted);font-size:13.5px;
  transition:all .25s;
}
.side-tags a:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.side-ad{
  border-radius:var(--radius);padding:26px 22px;color:#fff;
  background:linear-gradient(135deg,#013a63 0%,#02558c 100%);overflow:hidden;position:relative;
}
.side-ad::after{
  content:"";position:absolute;right:-34px;top:-34px;width:120px;height:120px;border-radius:50%;
  background:rgba(124,192,245,.14);
}
.side-ad-en{display:block;font-size:12px;letter-spacing:3px;color:#7cc0f5}
.side-ad strong{display:block;margin-top:6px;font-size:19px;line-height:1.45}
.side-ad p{margin-top:8px;font-size:13.5px;color:#b9d4ea}
.side-ad-tel{display:flex;align-items:center;gap:10px;margin:16px 0 18px}
.side-ad-tel i{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:rgba(124,192,245,.18);
  display:flex;align-items:center;justify-content:center;
}
.side-ad-tel svg{width:16px;height:16px;fill:#7cc0f5}
.side-ad-tel b{font-size:19px;letter-spacing:.5px}
.side-ad .btn{width:100%}

@media (max-width:992px){
  .news-layout{grid-template-columns:1fr}
  .news-side{position:static}
}

/* 详情 */
.article h1{font-size:26px;color:var(--navy);text-align:center;margin-bottom:12px;line-height:1.5}
.article-meta{display:flex;justify-content:center;gap:26px;color:#98a4b5;font-size:14px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:28px}
.article-content{font-size:16.5px;line-height:2;color:#3a4354;overflow-wrap:break-word}
.article-content img{border-radius:8px;margin:8px 0}
.article-content p{margin:10px 0}
.article-nav{margin-top:36px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:15px}
.article-nav a{color:var(--navy-2)}
.article-nav a:hover{color:var(--navy)}
.article-nav p{margin:6px 0}

/* 留言 */
.msg-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:44px}
.msg-info h3{font-size:22px;color:var(--navy);margin-bottom:14px}
.msg-info li{margin-bottom:12px;color:#5a6678;display:flex;gap:10px}
.msg-info li b{color:var(--navy);font-weight:600;flex:0 0 auto}
.form-item{margin-bottom:18px}
.form-item label{display:block;font-size:15px;color:var(--navy);margin-bottom:7px;font-weight:500}
.form-item input,.form-item textarea{
  width:100%;border:1px solid #d6dde8;border-radius:6px;padding:11px 14px;transition:border .25s;background:#fbfcfe;
}
.form-item input:focus,.form-item textarea:focus{border-color:var(--navy-2);background:#fff}
.form-item textarea{min-height:130px;resize:vertical}
.code-row{display:flex;gap:12px;align-items:center}
.code-row img{height:44px;border-radius:4px;cursor:pointer}

/* 分页 */
.pagebar{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pagebar a,.pagebar span{
  min-width:40px;padding:8px 14px;text-align:center;border:1px solid var(--line);
  border-radius:6px;color:var(--muted);font-size:14.5px;background:#fff;
}
.pagebar a:hover{border-color:var(--navy-2);color:var(--navy-2)}
.pagebar span.cur{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.empty-tip{text-align:center;color:var(--muted);padding:60px 0}

/* 搜索框 */
.search-bar{display:flex;gap:12px;justify-content:center;margin-bottom:40px}
.search-bar input{
  width:min(420px,100%);border:1px solid #d6dde8;border-radius:30px;padding:11px 22px;background:#fbfcfe;
}
.search-bar input:focus{border-color:var(--navy-2)}
.search-bar button{border-radius:30px}

/* 标签云 */
.tagcloud{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.tagcloud a{border:1px solid var(--line);padding:6px 18px;border-radius:20px;color:var(--muted);font-size:14.5px}
.tagcloud a:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}

/* ============ 公司简介页（左图右文/历程/资质） ============ */
/* 子栏目定向锚点：跳转后不被吸顶导航遮挡 */
#about-intro,#timeline,#honors,#about{scroll-margin-top:92px}
.about-intro{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.about-intro-img{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.about-intro-img img{display:block;width:100%;height:100%;min-height:340px;object-fit:cover;object-position:center}
.about-intro-year{
  position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:13px;letter-spacing:3px;
  background:rgba(1,58,99,.72);padding:7px 16px;border-radius:6px;backdrop-filter:blur(4px);
}
.blk-title{font-size:30px;font-weight:700;color:var(--navy);line-height:1.3;position:relative;padding-bottom:14px;margin-bottom:20px}
.blk-title em{font-style:normal;display:block;font-size:13px;color:var(--muted);letter-spacing:3px;margin-top:6px;font-weight:400}
.blk-title::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--navy-2),var(--navy-3))}
.about-intro-txt .rich{color:var(--text);font-size:15.5px;line-height:1.9}
.badges{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.badges li{
  display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);
  border-radius:8px;padding:12px 16px;font-size:14px;color:var(--muted);
}
.badges b{font-size:19px;color:var(--navy-2);font-weight:700;line-height:1.2}

/* 发展历程：通屏横向滑动时间轴（新的在左，可拖拽/箭头/圆点翻页） */
.about-sec{margin-top:64px}
.tl-sec{padding:64px 0 58px}
.tl-wrap{position:relative;margin:10px 3vw 0}
.tl{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;
  cursor:grab;user-select:none;
}
.tl.drag{cursor:grabbing;scroll-snap-type:none}
.tl::-webkit-scrollbar{display:none}
.tl-item{flex:0 0 calc((100% - 72px)/4);min-width:0;position:relative;padding:36px 20px 6px;scroll-snap-align:start}
.tl-item::before{
  content:"";position:absolute;top:0;left:18px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:5px solid var(--navy-2);box-shadow:0 0 0 4px rgba(0,95,163,.14);
}
.tl-item::after{content:"";position:absolute;left:0;right:-24px;top:9px;height:2px;background:linear-gradient(90deg,rgba(0,95,163,.32),rgba(0,95,163,.16))}
.tl-item:last-child::after{right:0}
.tl-item:first-child::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(234,122,46,.20)}
.tl-item:first-child::after{background:linear-gradient(90deg,rgba(234,122,46,.5),rgba(0,95,163,.25))}
.tl-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:0 4px 14px rgba(1,58,99,.16);
  color:var(--navy-2);display:flex;align-items:center;justify-content:center;transition:.25s;padding:0;
}
.tl-nav svg{width:19px;height:19px}
.tl-nav:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.tl-nav:disabled{opacity:.35;cursor:default;pointer-events:none}
.tl-nav.prev{left:12px}
.tl-nav.next{right:12px}
.tl-dots{display:flex;justify-content:center;gap:8px;margin-top:22px}
.tl-dots button{width:8px;height:8px;border-radius:5px;background:var(--line);padding:0;transition:all .25s}
.tl-dots button.on{width:22px;background:var(--accent)}
.tl-year{font-size:28px;font-weight:700;color:var(--navy);line-height:1.1}
.tl-item:first-child .tl-year{color:var(--accent)}
.tl-item h3{font-size:16px;font-weight:600;color:var(--text);margin:8px 0 6px;line-height:1.5}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* 资质荣誉 */
.about-sec2{padding-top:24px}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s,box-shadow .3s;box-shadow:0 4px 14px rgba(1,58,99,.06);
}
.cert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cert-card img{display:block;width:100%;aspect-ratio:600/848;object-fit:cover;object-position:center}
.cert-card h3{padding:13px 14px;font-size:15px;font-weight:600;color:var(--text);text-align:center;border-top:2px solid var(--gold,#c9a35c)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .why-item{grid-template-columns:1fr;gap:30px}
  .why-item:nth-child(even) .why-pic{order:0}
  .why-item + .why-item{margin-top:56px}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .tl-item{flex:0 0 calc((100% - 48px)/3)}
}
@media (max-width:992px){
  .burger{display:block}
  .nav{
    display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(1,58,99,.12);
    padding:8px 0;max-height:calc(100vh - 74px);overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .mainbar.nav-open .nav{display:flex}
  .nav>li>a{padding:13px 26px;font-size:16px}
  .nav>li>a::after{display:none}
  .nav>li.active>a{background:var(--bg);color:var(--navy-2)}
  /* 移动端：子栏目折叠展开 */
  .nav>li.has-sub>a{padding-right:88px}
  .nav>li.has-sub>a::before{display:none}
  .subtog{
    display:flex;align-items:center;justify-content:center;
    position:absolute;right:12px;top:4px;width:44px;height:44px;z-index:2;
  }
  .subtog i{
    width:8px;height:8px;margin-top:-3px;
    border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
    transform:rotate(45deg);transition:transform .25s;
  }
  .nav>li.open>.subtog i{transform:rotate(-135deg);margin-top:3px}
  .nav .subnav,
  .nav>li.has-sub:hover>.subnav,
  .nav>li.has-sub.open>.subnav,
  .nav>li.has-sub:focus-within>.subnav{
    position:static;opacity:1;visibility:visible;transform:none;
    min-width:0;padding:0;background:var(--bg);border:0;border-radius:0;box-shadow:none;
    display:none;
  }
  .nav>li.open>.subnav,
  .nav>li.has-sub.open>.subnav,
  .nav>li.has-sub.open:hover>.subnav{display:block}
  .nav .subnav li a{padding:11px 26px 11px 44px;font-size:15px;color:var(--muted);white-space:normal;position:relative}
  .nav .subnav li a::before{
    content:"";position:absolute;left:28px;top:50%;width:6px;height:6px;margin-top:-4px;
    border-radius:50%;background:#c9d8e6;
  }
  .nav .subnav li a:hover,.nav .subnav li a.on{background:#e8f1f9;color:var(--navy-2)}
  .nav-cta{margin:10px 26px 14px}
  .sec{padding:56px 0}
  .biz-hero{grid-template-columns:1fr}
  .biz-hero-img{min-height:220px}
  .case-grid,.grid-list.col3{grid-template-columns:repeat(2,1fr)}
  .grid-list{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:30px}
  .step::after{display:none}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .video-card img{height:300px}
  .msg-wrap{grid-template-columns:1fr;gap:30px}
  .collage{gap:12px}
  .cg-a,.cg-b,.cg-c,.cg-d{grid-auto-rows:150px}
  .why-txt .ul-txt{padding-left:64px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .sec-head h2{font-size:26px}
  .sec-head{margin-bottom:36px}
  .page-body{padding:12px 0 44px}
  .page-body .sec:first-child{padding-top:20px}
  .about-intro{grid-template-columns:1fr;gap:26px}
  .about-intro-img img{min-height:220px}
  .blk-title{font-size:24px;padding-bottom:11px;margin-bottom:14px}
  .about-intro-txt .rich{font-size:15px}
  .badges{gap:10px}
  .badges li{padding:10px 12px}
  .badges b{font-size:16px}
  .tl-wrap{margin:10px 16px 0}
  .tl{gap:16px}
  .tl-item{flex:0 0 200px;padding:36px 16px 6px}
  .tl-item::after{right:-16px}
  .tl-item::before{left:16px;width:18px;height:18px;border-width:4px}
  .tl-year{font-size:22px}
  .tl-nav{display:none}
  .tl-dots{margin-top:16px}
  .cert-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cert-card h3{font-size:14px;padding:11px 10px}
  .hero{min-height:480px}
  .hero-tag{font-size:12px;padding:5px 13px;letter-spacing:1px;margin-bottom:18px}
  .hero-cap h1,.hero-cap h2{font-size:24px;letter-spacing:1px;line-height:1.45}
  .hero-cap p{font-size:13px;letter-spacing:1px;margin-top:10px}
  .hero-btns{margin-top:26px}
  .hero-btns .btn{flex:1 1 auto;justify-content:center;padding:12px 18px}
  .hero-dots{right:20px;bottom:26px}
  .hero-down{display:none}
  .why-title h3{font-size:20px}
  .why-title .num{flex:0 0 40px;width:40px;height:40px}
  .why-title .num i{font-size:18px}
  .why-txt .ul-txt{padding-left:56px}
  .why-txt .ul-txt li{font-size:15px}
  .cg-a,.cg-b,.cg-c,.cg-d{grid-auto-rows:122px;gap:10px}
  .collage img{border-width:3px}
  .biz-hero-txt{padding:28px 22px}
  .biz-hero-txt h3{font-size:24px}
  .biz-hero-txt .btn{width:100%}
  .biz-grid,.grid-list,.grid-list.col3{grid-template-columns:1fr}
  .case-img{height:200px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-inner{padding:30px 22px}
  .cta-phone b{font-size:22px}
  .partner-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .partner img{max-height:60px}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:46px 0 34px}
  .article h1{font-size:22px;text-align:left}
  .news-row{flex-direction:column;align-items:stretch;gap:14px}
  .news-row .cell-img{flex:auto;height:210px}
  /* 移动端版式修正 */
  .hn-card{padding:10px;gap:10px}
  .hn-img{flex:0 0 128px;height:88px}
  .hn-body h3{font-size:15px;-webkit-line-clamp:1}
  .hn-body p{-webkit-line-clamp:1}
  .hn-panel{padding:16px 16px 18px}
  .hn-qa li{flex-direction:column;gap:6px}
  .qa-a{max-height:none;overflow:visible;padding-right:0}
  .hn-tech a{padding:11px 0;font-size:14px}
  .case-detail-meta{gap:14px;flex-wrap:wrap}
  .hn-cols{margin-top:18px}
  .mbar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:95;
    background:var(--ink);display:grid;grid-template-columns:repeat(3,1fr);
    box-shadow:0 -6px 20px rgba(0,0,0,.18);
  }
  .mbar a{color:#dfe8f3;text-align:center;padding:11px 4px;font-size:14px}
  .mbar a svg{width:19px;height:19px;fill:#9cc7ec;display:block;margin:0 auto 3px}
  .mbar a:nth-child(2){background:var(--accent);color:#fff}
  .mbar a:nth-child(2) svg{fill:#fff}
  body{padding-bottom:52px}
  .to-top{bottom:70px;right:14px}
  .modal-close{top:-44px;right:0}
}
@media (min-width:769px){
  body{padding-bottom:0!important}
}

/* ============ 关于我们页 ============ */
.about-intro{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.about-pic{position:relative;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.about-pic img{width:100%;height:460px;object-fit:cover;display:block}
.about-pic .since{
  position:absolute;left:0;bottom:0;background:rgba(1,58,99,.88);color:#fff;
  font-weight:600;letter-spacing:2px;font-size:14px;padding:10px 20px;
}
.about-txt h2{font-size:32px;color:var(--navy);font-weight:700}
.about-txt .about-en{
  display:inline-block;color:var(--navy-2);letter-spacing:4px;font-size:14px;
  font-weight:600;margin:6px 0 20px;padding-bottom:8px;border-bottom:2px solid var(--navy-2);
}
.about-txt p{color:var(--text);margin-bottom:14px;text-align:justify}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.stat{
  display:flex;align-items:center;gap:12px;background:var(--bg);
  border:1px solid var(--line);border-radius:8px;padding:12px 16px;
}
.stat b{color:var(--navy-2);font-size:20px;white-space:nowrap}
.stat span{color:var(--muted);font-size:14px}

/* 发展历程：左右通栏横向时间轴 */
.tl-wrap{display:flex;align-items:center;gap:20px;padding:10px 40px}
.tl-view{flex:1;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none}
.tl-view::-webkit-scrollbar{display:none}
.tl-track{display:flex;min-width:max-content;padding:6px 20px 10px}
.tl-item{position:relative;width:280px;flex:0 0 280px;padding:0 32px 0 0}
.tl-item::before{
  content:"";position:absolute;top:13px;left:0;right:0;height:2px;background:var(--line);
}
.tl-item:last-child::before{right:-40px}
.tl-dot{
  position:relative;display:block;width:26px;height:26px;border-radius:50%;
  background:#fff;border:4px solid var(--navy-2);margin-bottom:22px;
}
.tl-item.cur .tl-dot{
  width:30px;height:30px;top:-2px;background:var(--accent);border-color:var(--accent);
}
.tl-year{font-size:32px;font-weight:700;color:var(--navy-2);margin-bottom:12px;letter-spacing:1px}
.tl-item.cur .tl-year{color:var(--accent)}
.tl-item h4{font-size:18px;color:var(--ink);line-height:1.5;margin-bottom:10px}
.tl-item p{font-size:15px;color:var(--muted);line-height:1.75}
.tl-arrow{
  width:54px;height:54px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;
  flex:0 0 54px;color:var(--navy-2);transition:all .25s;
}
.tl-arrow:hover{background:var(--navy-2);color:#fff}
.tl-arrow svg{width:22px;height:22px;fill:currentColor}
.tl-arrow[disabled]{opacity:.3;cursor:default;pointer-events:none}

/* 资质荣誉：证书墙 */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.honor{
  background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.honor:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(1,58,99,.16)}
.honor-img{
  height:360px;display:flex;align-items:center;justify-content:center;
  background:#f8fafc;padding:18px;overflow:hidden;
}
.honor-img img{max-width:100%;max-height:100%;object-fit:contain}
.honor h4{
  text-align:center;font-size:15px;color:var(--ink);padding:16px 10px;
  border-top:1px solid var(--line);
}

@media (max-width:900px){
  .about-intro{grid-template-columns:1fr;gap:32px}
  .about-pic img{height:320px}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .honor-img{height:280px}
  .tl-wrap{padding:10px 0;gap:0}
  .tl-item{width:220px;flex:0 0 220px;padding-right:24px}
  .tl-year{font-size:26px}
  .tl-arrow{
    position:absolute;top:50%;transform:translateY(-50%);z-index:3;
    flex:0 0 36px;width:36px;height:36px;
    box-shadow:0 4px 14px rgba(1,58,99,.24);
  }
  .tl-arrow.prev{left:6px}
  .tl-arrow.next{right:6px}
  .tl-arrow svg{width:15px;height:15px}
}

/* ============ 联系我们页 ============ */
/* 主营业务迷你卡片（5列） */
.biz-row{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.biz-mini{
  display:block;background:#fff;border:1px solid var(--line);border-radius:10px;
  overflow:hidden;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.biz-mini:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(1,58,99,.16)}
.biz-mini-img{height:180px;overflow:hidden}
.biz-mini-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.biz-mini:hover .biz-mini-img img{transform:scale(1.08)}
.biz-mini h3{font-size:16px;color:var(--ink);padding:14px 14px 4px;line-height:1.4}
.biz-mini-more{display:block;font-size:13px;color:var(--navy-2);padding:0 14px 16px}

/* 联系方式信息卡（4列） */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:46px}
.info-card{
  display:flex;align-items:center;gap:16px;background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:22px 20px;box-shadow:var(--shadow);
}
.info-card i{
  flex:0 0 52px;width:52px;height:52px;border-radius:50%;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
}
.info-card i svg{width:24px;height:24px;fill:var(--navy-2)}
.info-card em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-bottom:4px}
.info-card b{font-size:16px;color:var(--ink);font-weight:600;word-break:break-all}

/* 官方账号二维码行（3列） */
.qr-row{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.qr-box{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 18px;
  text-align:center;box-shadow:var(--shadow);transition:transform .3s ease;
}
.qr-box:hover{transform:translateY(-4px)}
.qr-box img{width:100%;max-width:170px;aspect-ratio:1/1;height:auto;object-fit:contain;display:block;margin:0 auto 14px}
.qr-box h4{font-size:16px;color:var(--ink)}
.qr-box p{font-size:13px;color:var(--muted);margin-top:4px}

/* 地图导航面板 */
.map-panel{
  position:relative;background:var(--bg);border:1px solid var(--line);border-radius:14px;
  padding:70px 30px 60px;text-align:center;overflow:hidden;
}
.map-panel::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(0deg,transparent,transparent 46px,rgba(0,95,163,.07) 46px,rgba(0,95,163,.07) 47px),
    repeating-linear-gradient(90deg,transparent,transparent 46px,rgba(0,95,163,.07) 46px,rgba(0,95,163,.07) 47px);
}
.map-panel>*{position:relative}
.map-pin{display:inline-flex;flex-direction:column;align-items:center;margin-bottom:16px}
.map-pin svg{width:54px;height:54px;fill:var(--accent);filter:drop-shadow(0 6px 10px rgba(234,122,46,.35));animation:pin-bounce 2.2s ease-in-out infinite}
@keyframes pin-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.map-pin-name{
  margin-top:10px;background:var(--navy);color:#fff;font-size:15px;font-weight:600;
  padding:8px 20px;border-radius:30px;letter-spacing:1px;
}
.map-addr{font-size:17px;color:var(--text);margin-bottom:26px}
.map-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 真实地图容器 */
.map-embed{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.the-map{height:440px;width:100%;background:var(--bg)}
.map-fallback{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;background:var(--bg);
}
.map-fallback .map-pin{margin-bottom:10px}
.map-btns-below{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.leaflet-container{font-family:inherit}
.leaflet-popup-content-wrapper{border-radius:8px}
.leaflet-popup-content b{color:var(--navy)}

/* 联系页在线留言：左右分栏大气版 */
.msg-cta{display:grid;grid-template-columns:1fr 1.15fr;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.msg-cta-info{
  background:linear-gradient(135deg,#013055 0%,#005FA3 100%);color:#fff;
  padding:48px 40px;display:flex;flex-direction:column;justify-content:center;
}
.msg-cta-info h3{font-size:28px;line-height:1.45;letter-spacing:1px;margin-bottom:16px}
.msg-cta-lead{color:#c9d9ea;font-size:15px;line-height:1.9;margin-bottom:30px}
.msg-cta-info ul{display:flex;flex-direction:column;gap:18px}
.msg-cta-info li{display:flex;align-items:center;gap:14px}
.msg-cta-info li i{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;
}
.msg-cta-info li i svg{width:20px;height:20px;fill:#fff}
.msg-cta-info li em{display:block;font-style:normal;font-size:13px;color:#a9c2dc;margin-bottom:2px}
.msg-cta-info li b{font-size:16px;font-weight:600}
.msg-cta-form{background:#fff;padding:44px 40px}
.msg-cta-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.btn-block{width:100%;font-size:16px;padding:14px}

@media (max-width:900px){
  .biz-row{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .qr-row{grid-template-columns:repeat(3,1fr)}
  .the-map{height:320px}
  .msg-cta{grid-template-columns:1fr}
  .msg-cta-info,.msg-cta-form{padding:32px 24px}
}
@media (max-width:520px){
  .biz-row,.info-grid{grid-template-columns:1fr}
  .qr-row{grid-template-columns:repeat(2,1fr)}
  .msg-cta-form .form-row{grid-template-columns:1fr}
}
@media (max-width:768px){
  .page-hero{min-height:340px}
}

/* 联系页大横幅：500px高，后台栏目图片作为背景 */
.contact-hero{min-height:500px;display:flex;align-items:center;padding:60px 0}
.contact-hero.has-pic{background-size:cover;background-position:center;position:relative}
.contact-hero.has-pic::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(100deg,rgba(1,35,64,.82) 0%,rgba(1,48,85,.55) 55%,rgba(0,95,163,.35) 100%);
}
.contact-hero .container{position:relative;z-index:1}

/* ============ 服务案例：列表卡片 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:36px}
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(1,58,99,.18)}
.case-card-img{position:relative;height:230px;overflow:hidden}
.case-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.case-card:hover .case-card-img img{transform:scale(1.07)}
.case-tag{
  position:absolute;top:14px;left:14px;background:rgba(1,58,99,.85);color:#fff;
  font-size:12px;letter-spacing:1px;padding:5px 12px;border-radius:20px;
}
.case-card-body{flex:1;display:flex;flex-direction:column;padding:20px 22px 22px}
.case-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.case-card-date{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.case-card-date svg{width:14px;height:14px;fill:var(--navy-2)}
.case-card-body h3{font-size:18px;color:var(--ink);line-height:1.45;margin-bottom:10px}
.case-card-body p{font-size:14px;color:var(--muted);line-height:1.75;flex:1;text-align:justify}
.case-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--navy-2);
}
.case-more svg{width:12px;height:12px;fill:currentColor;transition:transform .3s ease}
.case-card:hover .case-more svg{transform:translateX(4px)}

/* ============ 服务案例：详情页 ============ */
.case-detail{
  width:100%;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow);padding:36px 44px 44px;
}
.case-detail-meta{
  display:flex;flex-wrap:wrap;gap:22px;padding-bottom:16px;margin-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.case-detail-title{font-size:30px;color:var(--navy);line-height:1.4;margin-bottom:22px}
.case-detail-meta span{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--muted)}
.case-detail-meta svg{width:15px;height:15px;fill:var(--navy-2)}
.case-detail-content{font-size:16px;color:var(--text);line-height:2;text-align:justify}
.case-detail-content img{max-width:100%;border-radius:10px;margin:14px 0}
.case-detail-content p{margin-bottom:14px}

.case-foot-bar{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:30px;padding:18px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);
}
.case-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.case-tags em{font-style:normal;font-size:14px;color:var(--muted)}
.tag-chip{
  display:inline-block;background:var(--bg);border:1px solid var(--line);color:var(--navy-2);
  font-size:13px;padding:4px 14px;border-radius:20px;text-decoration:none;transition:all .25s ease;
}
.tag-chip:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.case-share{display:flex;align-items:center;gap:10px}
.case-share em{font-style:normal;font-size:14px;color:var(--muted)}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:50%;background:var(--bg);border:1px solid var(--line);transition:all .25s ease;
}
.share-btn svg{width:19px;height:19px;fill:var(--muted);transition:fill .25s ease}
.share-btn:hover{transform:translateY(-2px)}
.share-btn.qq:hover{background:#12b7f5;border-color:#12b7f5}
.share-btn.qq:hover svg{fill:#fff}
.share-btn.weibo:hover{background:#e6162d;border-color:#e6162d}
.share-btn.weibo:hover svg{fill:#fff}
.share-btn.wechat:hover{background:#07c160;border-color:#07c160}
.share-btn.wechat:hover svg{fill:#fff}
.share-btn.copy:hover{background:var(--navy-2);border-color:var(--navy-2)}
.share-btn.copy:hover svg{fill:#fff}
.share-btn.copied{background:var(--accent);border-color:var(--accent)}
.share-btn.copied svg{fill:#fff}
.share-mask{
  position:fixed;inset:0;z-index:9999;background:rgba(1,35,64,.55);
  display:flex;align-items:center;justify-content:center;
}
/* hidden 属性优先：防止 display:flex/grid 覆盖导致隐藏元素仍然显示 */
[hidden]{display:none!important}
.share-mask[hidden]{display:none!important}
.share-pop{
  position:relative;background:#fff;border-radius:14px;padding:30px 34px 24px;
  text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.share-pop h4{font-size:17px;color:var(--ink);margin-bottom:16px}
.share-pop #shareQrBox{display:flex;justify-content:center}
.share-pop #shareQrBox img{border:1px solid var(--line);border-radius:8px}
.share-pop p{font-size:13px;color:var(--muted);margin-top:10px}
.share-pop-close{
  position:absolute;top:8px;right:14px;font-size:26px;line-height:1;color:var(--muted);
  background:none;border:none;cursor:pointer;
}
.share-pop-close:hover{color:var(--ink)}

.case-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.case-nav-item{
  background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px 20px;
  transition:border-color .25s ease,background .25s ease;
}
.case-nav-item:hover{border-color:var(--navy-2);background:#f0f6fc}
.case-nav-item span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.case-nav-item.next{text-align:right}
.case-nav-link{font-size:15px;font-weight:600;line-height:1.5}
.case-nav-link a{color:var(--ink)}
.case-nav-link a:hover{color:var(--navy-2)}

.case-cta{
  width:100%;margin:44px auto 0;display:flex;align-items:center;justify-content:space-between;
  gap:24px;background:linear-gradient(110deg,#013055 0%,#005FA3 100%);color:#fff;
  border-radius:14px;padding:30px 40px;
}
.case-cta h3{font-size:22px;margin-bottom:6px}
.case-cta p{font-size:14px;color:#c9d9ea}

/* ============ 招贤纳士：职位列表 ============ */
.job-steps{grid-template-columns:repeat(4,1fr)}
.job-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.job-card{
  position:relative;display:flex;background:#fff;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.job-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(1,58,99,.16)}
.job-card-media{
  position:relative;flex:0 0 180px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#013a63 0%,#005fa3 100%);overflow:hidden;
}
.job-card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.job-card-media svg{width:56px;height:56px;fill:rgba(255,255,255,.92)}
.job-card-media.nopic img{display:none}
.job-card-body{flex:1;min-width:0;display:flex;flex-direction:column;padding:26px 28px 22px}
.job-badge{
  position:absolute;top:0;right:0;background:linear-gradient(90deg,#f0a020,#dd8a06);
  color:#fff;font-size:12px;letter-spacing:1px;padding:5px 16px;border-radius:0 12px 0 12px;
}
.job-card-body h3{font-size:20px;color:var(--ink);font-weight:700;line-height:1.45;padding-right:64px}
.job-card:hover .job-card-body h3{color:var(--navy-2)}
.job-meta{display:flex;flex-wrap:wrap;gap:20px;margin:12px 0 10px}
.job-meta li{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--muted)}
.job-meta svg{width:15px;height:15px;fill:var(--navy-2)}
.job-card-body p{
  color:var(--muted);font-size:14.5px;line-height:1.8;flex:1;text-align:justify;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.job-card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
}
.job-apply{
  display:inline-flex;align-items:center;gap:7px;background:var(--navy-2);color:#fff;
  font-size:14px;font-weight:600;padding:9px 20px;border-radius:30px;
  transition:background .25s ease;
}
.job-apply svg{width:13px;height:13px;fill:#fff;transition:transform .3s ease}
.job-card:hover .job-apply{background:var(--accent)}
.job-card:hover .job-apply svg{transform:translateX(3px)}

@media (max-width:900px){
  .job-grid{grid-template-columns:1fr;gap:18px}
  .job-steps{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .job-card-media{flex:0 0 132px}
  .job-card-media svg{width:44px;height:44px}
  .job-card-body{padding:20px 18px 18px}
  .job-card-body h3{font-size:17.5px;padding-right:0}
  .job-badge{position:static;display:inline-block;align-self:flex-start;margin-bottom:10px;border-radius:20px}
  .job-meta{gap:14px;margin:10px 0 8px}
}

@media (max-width:900px){
  .case-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .case-card-img{height:180px}
  .case-detail{padding:24px 20px 28px}
  .case-detail-title{font-size:22px}
  .case-foot-bar{flex-direction:column;align-items:flex-start}
  .case-nav{grid-template-columns:1fr}
  .case-nav-item.next{text-align:left}
  .case-cta{flex-direction:column;text-align:center;padding:26px 22px}
}
@media (max-width:520px){
  .case-grid{grid-template-columns:1fr}
}





/* =========================================================
   行业解决方案 / 服务保障 / 视频中心 / 技术资料下载
   ========================================================= */

/* ---------- 1. 行业解决方案 ---------- */
.sol-inds{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.sol-ind{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:26px 20px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;
  position:relative;overflow:hidden;
}
.sol-ind::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--navy-2);transform:scaleX(0);transition:transform .35s}
.sol-ind:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(1,58,99,.16);border-color:transparent}
.sol-ind:hover::before{transform:scaleX(1)}
.sol-ind i{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin:0 auto 14px;border-radius:14px;background:var(--bg)}
.sol-ind i svg,.sol-ind i img{width:26px;height:26px;fill:var(--navy-2)}
.sol-ind h3{font-size:16.5px;color:var(--ink);font-weight:700}
.sol-ind p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6}
.sol-ind.on{border-color:var(--navy-2);box-shadow:0 12px 28px rgba(0,95,163,.14)}
.sol-ind.on::before{transform:scaleX(1)}

.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.sol-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.sol-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(1,58,99,.14)}
.sol-card-img{height:196px;overflow:hidden;position:relative;background:var(--bg)}
.sol-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.sol-card:hover .sol-card-img img{transform:scale(1.07)}
.sol-card-tag{position:absolute;left:14px;top:14px;background:rgba(1,58,99,.86);color:#fff;font-size:12px;padding:4px 12px;border-radius:20px;backdrop-filter:blur(2px)}
.sol-card-body{padding:20px 22px 22px}
.sol-card-body h3{font-size:17.5px;color:var(--ink);font-weight:700;line-height:1.5}
.sol-card:hover .sol-card-body h3{color:var(--navy-2)}
.sol-card-body p{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.75}
.sol-card-more{display:inline-flex;align-items:center;gap:4px;margin-top:14px;color:var(--navy-2);font-size:14px}
.sol-card-more svg{width:14px;height:14px;fill:currentColor;transition:transform .3s}
.sol-card:hover .sol-card-more svg{transform:translateX(4px)}

.sol-blocks{display:grid;gap:18px;margin-top:26px}
.sol-block{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 28px}
.sol-block h3{font-size:18px;color:var(--navy);font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.sol-block h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--navy-2);flex:0 0 auto}
.sol-block p{color:var(--text);font-size:15px}
.sol-block ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;margin-top:8px}
.sol-block li{position:relative;padding-left:22px;color:var(--text);font-size:14.5px}
.sol-block li::before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;background:var(--navy-2)}
.sol-crumb-tag{display:inline-block;background:var(--bg);color:var(--navy-2);font-size:13px;padding:4px 14px;border-radius:20px;margin-right:10px}

/* ---------- 2. 服务保障 ---------- */
.svc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc-stat{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 22px;text-align:center;
  transition:transform .3s,box-shadow .3s;
}
.svc-stat:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(1,58,99,.15)}
.svc-stat i{display:flex;align-items:center;justify-content:center;width:58px;height:58px;margin:0 auto 14px;border-radius:16px;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-3) 100%)}
.svc-stat i svg{width:27px;height:27px;fill:#fff}
.svc-stat b{display:block;font-size:30px;font-family:Georgia,serif;color:var(--navy);letter-spacing:.5px;line-height:1.2}
.svc-stat h4{font-size:16px;color:var(--ink);font-weight:700;margin-top:6px}
.svc-stat p{font-size:13.5px;color:var(--muted);margin-top:6px}

.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.svc-row.rev .svc-row-media{order:2}
.svc-row-media{border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.svc-row-media img{width:100%;height:340px;object-fit:cover;display:block}
.svc-row-txt .k{display:inline-block;color:var(--navy-2);letter-spacing:3px;font-size:13px;font-weight:600;margin-bottom:10px}
.svc-row-txt h3{font-size:26px;color:var(--navy);font-weight:700;line-height:1.4}
.svc-row-txt p{margin-top:14px;color:var(--text);font-size:15px}
.svc-row-txt ul{margin-top:18px;display:grid;gap:10px}
.svc-row-txt li{position:relative;padding-left:26px;color:var(--text);font-size:14.5px}
.svc-row-txt li::before{
  content:"";position:absolute;left:0;top:.35em;width:16px;height:16px;border-radius:50%;
  background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23005FA3' d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/12px no-repeat;
}

.svc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px;
  transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden;
}
.svc-card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:linear-gradient(90deg,var(--navy-2),var(--navy-3));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(1,58,99,.14)}
.svc-card:hover::after{transform:scaleX(1)}
.svc-card .no{font-family:Georgia,serif;font-size:34px;color:var(--line);line-height:1;font-weight:700}
.svc-card h4{font-size:17px;color:var(--ink);font-weight:700;margin:10px 0 8px}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.75}

.svc-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:svcstep}
.svc-flow .fl{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 18px 22px;text-align:center}
.svc-flow .fl::before{
  counter-increment:svcstep;content:counter(svcstep,decimal-leading-zero);
  display:block;font-family:Georgia,serif;font-size:22px;font-weight:700;color:var(--navy-2);margin-bottom:8px;
}
.svc-flow .fl h4{font-size:15.5px;color:var(--ink);font-weight:700}
.svc-flow .fl p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.65}

.svc-note{
  margin-top:34px;background:var(--bg);border:1px dashed var(--line);border-radius:12px;
  padding:20px 26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.svc-note i{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#fff;flex:0 0 auto}
.svc-note i svg{width:22px;height:22px;fill:var(--navy-2)}
.svc-note p{font-size:14.5px;color:var(--text);flex:1;min-width:200px}

/* ---------- 3. 视频中心 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-grid .video-card{cursor:pointer;border-radius:12px;overflow:hidden}
.video-grid .video-card img{height:200px}
.video-grid .video-card em{font-size:14px}
.video-grid .video-body{padding:16px 18px 20px;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 12px 12px}
.video-grid .video-body h3{font-size:16px;color:var(--ink);font-weight:700;line-height:1.5}
.video-grid .video-body p{font-size:13.5px;color:var(--muted);margin-top:6px}
.video-wrap{border-radius:0}
.video-grid .video-thumb{position:relative;border-radius:12px 12px 0 0;overflow:hidden}
.video-grid .video-thumb img{width:100%;height:200px;object-fit:cover;display:block;transition:transform .5s}
.video-grid .video-card:hover .video-thumb img{transform:scale(1.06)}
.video-grid .video-thumb::after{content:"";position:absolute;inset:0;background:rgba(1,35,64,.22);transition:background .3s}
.video-grid .video-card:hover .video-thumb::after{background:rgba(1,35,64,.10)}
.video-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;transition:transform .3s,background .3s;
}
.video-play svg{width:22px;height:22px;fill:var(--navy-2);margin-left:3px}
.video-grid .video-card:hover .video-play{transform:translate(-50%,-50%) scale(1.1);background:var(--accent)}
.video-grid .video-card:hover .video-play svg{fill:#fff}
.video-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--muted)}
.video-meta svg{width:14px;height:14px;fill:var(--muted)}
.video-player-box{position:relative;border-radius:14px;overflow:hidden;background:#000}
.video-player-box video{display:block;width:100%;max-height:620px;background:#000}
.video-detail-title{font-size:28px;color:var(--navy);font-weight:700;line-height:1.4;margin-bottom:16px}

/* ---------- 4. 技术资料下载 ---------- */
.dl-list{display:grid;gap:14px;margin-top:22px}
.dl-item{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:18px 22px;transition:border-color .3s,box-shadow .3s,transform .3s;
}
.dl-item:hover{border-color:var(--navy-2);box-shadow:0 12px 28px rgba(1,58,99,.12);transform:translateY(-3px)}
.dl-ico{
  flex:0 0 auto;width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--navy-2);font-size:12px;font-weight:700;letter-spacing:.5px;
}
.dl-ico svg{width:24px;height:24px;fill:var(--navy-2)}
.dl-info{flex:1;min-width:0}
.dl-info h4{font-size:15.5px;color:var(--ink);font-weight:700;word-break:break-all}
.dl-info p{font-size:13px;color:var(--muted);margin-top:4px}
.dl-btn{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;background:var(--navy-2);color:#fff;
  font-size:14px;padding:9px 20px;border-radius:8px;transition:background .25s,transform .25s;
}
.dl-btn:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.dl-btn svg{width:15px;height:15px;fill:#fff}
.dl-empty{background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:26px;text-align:center;color:var(--muted);font-size:14.5px}
.badge-dl{display:inline-flex;align-items:center;gap:4px;background:var(--bg);color:var(--navy-2);font-size:12px;padding:3px 10px;border-radius:6px;vertical-align:middle}
.badge-dl svg{width:12px;height:12px;fill:var(--navy-2)}
.tech-list-item .case-card-img{position:relative}
.tech-badge{
  position:absolute;left:14px;bottom:14px;background:rgba(1,58,99,.86);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:6px;
}

@media (max-width:1100px){
  .sol-inds{grid-template-columns:repeat(3,1fr)}
  .svc-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .svc-stats{grid-template-columns:repeat(2,1fr)}
  .svc-row{grid-template-columns:1fr;gap:26px}
  .svc-row.rev .svc-row-media{order:0}
  .svc-row-media img{height:260px}
  .svc-flow{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .sol-inds{grid-template-columns:repeat(2,1fr);gap:14px}
  .sol-grid{grid-template-columns:1fr}
  .svc-stats,.svc-cards,.svc-flow{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .sol-block ul{grid-template-columns:1fr}
  .dl-item{flex-wrap:wrap;gap:12px}
  .dl-btn{width:100%;justify-content:center}
}

/* ---------- 5. 富文本正文（方案/资料详情）排版 ---------- */
.case-detail-content h2,
.case-detail-content h3,
.case-detail-content h4{
  font-size:18px;color:var(--navy);font-weight:700;line-height:1.6;
  margin:28px 0 12px;padding-left:14px;position:relative;
}
.case-detail-content h2:first-child,
.case-detail-content h3:first-child{margin-top:6px}
.case-detail-content h2::before,
.case-detail-content h3::before,
.case-detail-content h4::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:16px;border-radius:2px;background:var(--navy-2);
}
.case-detail-content ul{margin:0 0 16px;display:grid;gap:9px}
.case-detail-content ol{margin:0 0 16px;padding-left:22px;list-style:decimal}
.case-detail-content li{position:relative;padding-left:20px}
.case-detail-content ol li{padding-left:4px}
.case-detail-content ul li::before{
  content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;border-radius:50%;background:var(--navy-2);
}
.case-detail-content blockquote{
  border-left:3px solid var(--navy-2);background:var(--bg);
  padding:14px 20px;border-radius:0 8px 8px 0;color:var(--muted);margin:0 0 16px;
}
.case-detail-content table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14.5px}
.case-detail-content th,.case-detail-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.case-detail-content th{background:var(--bg);color:var(--navy);font-weight:700}
.video-tip{
  display:flex;align-items:flex-start;gap:8px;margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.7;
}
.video-tip svg{width:16px;height:16px;fill:var(--muted);flex:0 0 auto;margin-top:3px}
.video-detail-link{color:var(--navy-2);margin-left:auto}
.video-detail-link:hover{color:var(--navy)}
.video-grid .video-card[role="button"]{cursor:pointer}