@charset "utf-8";
/*==================================================================
  陕西创客科技 3aweb.cn  —— 前台视觉层 V2.0
  深空蓝科技风 / 移动优先 / 无第三方依赖
  ==================================================================*/
:root{
  --bg:#0B1C3A;
  --bg-deep:#071228;
  --bg-soft:#0F2450;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);
  --primary:#007BFF;
  --primary-2:#0A93FF;
  --grad:linear-gradient(135deg,#7B2FF7 0%,#00D4FF 100%);
  --text:#FFFFFF;
  --sub:#E0E0E0;
  --muted:#9AB0D0;
  --ok:#22C55E;
  --warn:#F59E0B;
  --radius:16px;
  --radius-s:10px;
  --shadow:0 18px 40px rgba(0,0,0,.35);
  --shadow-hi:0 26px 60px rgba(0,60,160,.45);
  --maxw:1240px;
  --font:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Roboto","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--sub);
  font-family:var(--font);font-size:16px;line-height:1.75;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -8%,rgba(0,123,255,.22),transparent 60%),
    radial-gradient(700px 420px at 92% 6%,rgba(123,47,247,.18),transparent 62%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--sub);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
h1,h2,h3,h4{color:var(--text);margin:0 0 .5em;line-height:1.35;font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(26px,4.4vw,56px)}
h2{font-size:clamp(22px,3vw,36px)}
h3{font-size:clamp(18px,2vw,22px)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:clamp(48px,7vw,92px) 0}
.section-head{text-align:center;max-width:820px;margin:0 auto clamp(28px,4vw,52px)}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;color:#7FD4FF;
  border:1px solid rgba(0,212,255,.35);border-radius:999px;padding:3px 14px;margin-bottom:14px;
  text-transform:uppercase;font-family:var(--font-num);
}
.section-head p{color:var(--muted);margin:0}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------------- 顶部导航 ---------------- */
.topbar{background:rgba(7,18,40,.9);border-bottom:1px solid var(--line);font-size:13px;position:relative;z-index:5}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:12px}
.topbar span{color:var(--muted)}
.topbar b{color:#7FD4FF;font-weight:600}
.hd{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(11,28,58,.82);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;white-space:nowrap}
.logo i{
  width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;
  font-style:normal;font-family:var(--font-num);font-size:15px;font-weight:800;color:#fff;
}
.logo small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:1px}
/* 后台上传的自定义 Logo：高度锁死，宽度按比例，白底图也不撑破页头 */
.logo-img{display:block;height:40px;width:auto;max-width:230px;object-fit:contain}
.nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav>li{list-style:none;position:relative}
.nav a{display:block;padding:10px 15px;border-radius:10px;font-size:15px;white-space:nowrap}
.nav>li>a:hover,.nav>li.on>a{color:#fff;background:var(--panel)}
.nav>li.on>a{box-shadow:inset 0 -2px 0 0 var(--primary)}
.sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:236px;background:#0D2145;
  border:1px solid var(--line-2);border-radius:var(--radius-s);padding:8px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.22s;
}
.nav>li:hover .sub{opacity:1;visibility:visible;transform:none}
.sub a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--sub)}
.sub a:hover{background:var(--panel-2)}
.hd-cta{display:flex;align-items:center;gap:12px}
.hd-tel{font-family:var(--font-num);color:#fff;font-weight:700;font-size:16px;white-space:nowrap}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:transparent;color:#fff;font-size:18px;cursor:pointer}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.25s;position:relative;overflow:hidden;
  font-family:inherit;
}
.btn-p{background:var(--primary);color:#fff;box-shadow:0 10px 26px rgba(0,123,255,.35)}
.btn-p:hover{background:var(--primary-2);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,123,255,.5)}
.btn-g{border-color:var(--line-2);color:#fff;background:transparent}
.btn-g:hover{border-color:#7FD4FF;color:#fff;background:rgba(0,212,255,.1);transform:translateY(-2px)}
.btn-n{background:var(--grad);color:#fff;box-shadow:0 10px 30px rgba(123,47,247,.4)}
.btn-n:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px rgba(0,212,255,.45)}
.btn-s{padding:9px 18px;font-size:14px}
.ripple{position:absolute;border-radius:50%;transform:scale(0);background:rgba(255,255,255,.45);animation:rip .6s linear;pointer-events:none}
@keyframes rip{to{transform:scale(3.4);opacity:0}}

/* ---------------- 首屏 ---------------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img,.hero-bg video{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,18,40,.72),rgba(11,28,58,.96))}
.hero .wrap{padding:clamp(60px,9vw,124px) 20px clamp(56px,8vw,104px)}
.hero-in{max-width:900px}
.hero .tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#7FD4FF;border:1px solid rgba(0,212,255,.35);background:rgba(0,212,255,.08);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h2{font-size:clamp(16px,1.9vw,22px);font-weight:400;color:var(--sub);margin-bottom:30px;max-width:760px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-pts{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--muted)}
.hero-pts i{color:#22C55E;font-style:normal;margin-right:6px}

/* ---------------- Bento 产品线 ---------------- */
.bento{display:grid;gap:20px;grid-template-columns:repeat(4,1fr)}
.bento .card{
  position:relative;display:block;padding:28px 24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:.3s cubic-bezier(.2,.7,.3,1);
}
.bento .card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;opacity:0;transition:.3s;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.bento .card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hi);background:var(--panel-2)}
.bento .card:hover::before{opacity:1}
.bento .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(0,123,255,.28),rgba(123,47,247,.28));border:1px solid var(--line-2);
  color:#7FD4FF;font-size:24px;font-family:var(--font-num);font-weight:800;
}
.bento h3{margin-bottom:8px;font-size:19px}
.bento p{color:var(--muted);font-size:14.5px;margin:0}
.bento .more{margin-top:16px;font-size:13.5px;color:#7FD4FF;display:inline-flex;gap:6px;align-items:center}

/* ---------------- 数据 ---------------- */
.stats{display:grid;gap:18px;grid-template-columns:repeat(4,1fr);margin-bottom:44px}
.stat{padding:26px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);text-align:center}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;color:var(--muted);font-size:14px;margin-top:6px}
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:48px}
.logos a,.logos span{
  border:1px solid var(--line);border-radius:10px;padding:10px 20px;font-size:14px;color:var(--muted);
  background:var(--panel);transition:.25s
}
.logos a:hover{color:#fff;border-color:#7FD4FF;background:var(--panel-2)}

/* ---------------- 案例 ---------------- */
.cases{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.case{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-hi);border-color:var(--line-2)}
.case .thumb{aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden}
.case .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .thumb img{transform:scale(1.05)}
.case .bd{padding:20px 20px 24px}
.case .bd h3{font-size:18px;margin-bottom:8px}
.case .bd p{color:var(--muted);font-size:14px;margin:0}
.case .kpi{display:flex;gap:18px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line-2)}
.case .kpi div{font-size:12.5px;color:var(--muted)}
.case .kpi b{display:block;color:#7FD4FF;font-family:var(--font-num);font-size:19px}

/* ---------------- 通用内容 ---------------- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,38px)}
.grid-2{display:grid;gap:22px;grid-template-columns:1fr 1fr}
.grid-3{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.art{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.28s}
.art:hover{border-color:var(--line-2);transform:translateY(-4px)}
.art h3{font-size:17.5px;margin-bottom:10px}
.art p{color:var(--muted);font-size:14.5px;margin:0}
.pain{border-left:3px solid #F59E0B;background:rgba(245,158,11,.07)}
.plan{border-left:3px solid var(--primary);background:rgba(0,123,255,.09)}
.evi{border-left:3px solid #22C55E;background:rgba(34,197,94,.08)}
.a-callout{border-left:3px solid #7B2FF7}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 0;padding:0;list-style:none}
.flow li{background:var(--panel-2);border:1px solid var(--line-2);border-radius:999px;padding:7px 16px;font-size:13.5px}
.flow li.sep{background:none;border:0;color:var(--muted);padding:0 2px}
.tagline-list{list-style:none;padding:0;margin:0}
.tagline-list li{padding-left:26px;position:relative;margin-bottom:12px;color:var(--sub)}
.tagline-list li::before{content:"✓";position:absolute;left:0;top:0;color:#22C55E;font-weight:700}

/* ---------------- FAQ ---------------- */
.faq{max-width:960px;margin:0 auto}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-s);margin-bottom:12px;overflow:hidden}
.faq summary{
  cursor:pointer;padding:16px 20px;font-weight:600;color:#fff;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:flex-start;font-size:16px
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:#7FD4FF;font-family:var(--font-num);font-size:20px;line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"−"}
.faq details[open]{border-color:var(--line-2);background:var(--panel-2)}
.faq .ans{padding:0 20px 18px;color:var(--muted);font-size:14.8px}
.faq .ans p:last-child{margin-bottom:0}

/* ---------------- 列表 / 文章 ---------------- */
.list{display:grid;gap:18px}
.item{display:grid;grid-template-columns:220px 1fr;gap:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.item:hover{border-color:var(--line-2);transform:translateY(-3px)}
.item .thumb{aspect-ratio:16/11;background:var(--bg-soft)}
.item .thumb img{width:100%;height:100%;object-fit:cover}
.item .bd{padding:20px 22px 20px 0}
.item .bd h3{font-size:18px;margin-bottom:8px}
.item .meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px;margin-bottom:10px;font-family:var(--font-num)}
.item .bd p{color:var(--muted);font-size:14.5px;margin:0}
.post{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3.4vw,44px)}
.post .meta{color:var(--muted);font-size:13.5px;display:flex;flex-wrap:wrap;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px;font-family:var(--font-num)}
.post-body{font-size:16.5px;line-height:1.95;color:var(--sub);word-break:break-word}
.post-body img{border-radius:var(--radius-s);margin:18px 0}
.post-body h2{font-size:22px;margin:32px 0 14px}
.post-body h3{font-size:19px;margin:26px 0 12px}
.post-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.post-body th,.post-body td{border:1px solid var(--line-2);padding:10px 12px;text-align:left}
.post-body th{background:var(--panel-2);color:#fff}
.post-body blockquote{margin:18px 0;padding:14px 18px;border-left:3px solid var(--primary);background:rgba(0,123,255,.09);border-radius:0 10px 10px 0}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumb .sep{margin:0 7px;opacity:.5}
.crumb .cur{color:#fff}
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin:38px 0 0}
.pager .pg{border:1px solid var(--line-2);border-radius:9px;padding:8px 14px;font-size:14px;font-family:var(--font-num)}
.pager .pg:hover{border-color:#7FD4FF;color:#fff}
.pager .pg.cur{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}
.pager .pg.disabled{opacity:.4}
.pager .pg-info{font-size:13.5px;color:var(--muted);margin-right:8px}

/* ---------------- 表单 ---------------- */
.form{display:grid;gap:16px}
.f-row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.fld label{display:block;font-size:14px;color:var(--sub);margin-bottom:7px}
.fld label b{color:#FF6B6B;font-weight:400}
.fld input,.fld select,.fld textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);border:1px solid var(--line-2);
  background:rgba(255,255,255,.05);color:#fff;font-family:inherit;font-size:15px;transition:.2s;outline:none
}
.fld input::placeholder,.fld textarea::placeholder{color:#6E84A8}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--primary);background:rgba(0,123,255,.08)}
.fld textarea{min-height:120px;resize:vertical}
.fld select option{background:#0D2145;color:#fff}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.msgbox{padding:12px 16px;border-radius:var(--radius-s);font-size:14.5px;margin-bottom:18px}
.msgbox.ok{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.45);color:#8CF0B0}
.msgbox.err{background:rgba(255,107,107,.13);border:1px solid rgba(255,107,107,.45);color:#FFB3B3}

/* ---------------- 侧栏 / 联系 ---------------- */
.side{display:grid;gap:18px;align-content:start}
.side .box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side .box h3{font-size:16.5px;margin-bottom:14px}
.side ul{list-style:none;padding:0;margin:0}
.side li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.side li:last-child{border-bottom:0}
.kv{list-style:none;padding:0;margin:0;font-size:15px}
.kv li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.kv li:last-child{border-bottom:0}
.kv b{color:var(--muted);font-weight:400;flex:0 0 76px}

/* ---------------- 页脚 ---------------- */
.ft{margin-top:clamp(40px,6vw,80px);background:var(--bg-deep);border-top:1px solid var(--line);position:relative;z-index:1}
.ft .cols{display:grid;gap:30px;grid-template-columns:1.4fr 1fr 1fr 1.2fr;padding:clamp(34px,4.5vw,58px) 0 34px}
.ft h4{font-size:15.5px;margin-bottom:16px;color:#fff}
.ft p,.ft li,.ft a{font-size:14px;color:var(--muted)}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:10px}
.ft a:hover{color:#7FD4FF}
.ft .qr{width:104px;height:104px;border-radius:10px;border:1px solid var(--line-2);background:#fff}
.ft-bot{border-top:1px solid var(--line);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7C90AE}
.ft-bot a{font-size:13px}
.links{display:flex;flex-wrap:wrap;gap:8px}
.links a{border:1px solid var(--line);border-radius:8px;padding:4px 12px;font-size:12.5px}

/* ---------------- 悬浮工具条 ---------------- */
.dock{position:fixed;right:18px;bottom:clamp(24px,6vh,90px);z-index:80;display:grid;gap:10px}
.dock a,.dock button{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;gap:0;
  background:rgba(13,33,69,.94);border:1px solid var(--line-2);color:#fff;cursor:pointer;
  backdrop-filter:blur(8px);transition:.25s;font-size:11px;text-align:center;line-height:1.25;
  font-family:inherit;text-decoration:none;position:relative
}
.dock a:hover,.dock button:hover{transform:translateY(-3px);border-color:#7FD4FF;color:#fff;background:rgba(0,123,255,.2)}
.dock .txt{font-size:10.5px;color:var(--muted)}
.dock .qr-pop{
  position:absolute;right:70px;bottom:0;width:168px;padding:12px;border-radius:12px;background:#0D2145;
  border:1px solid var(--line-2);opacity:0;visibility:hidden;transition:.25s
}
.dock .qr-pop img{width:144px;height:144px;background:#fff;border-radius:8px}
.dock .qr-pop em{display:block;font-style:normal;font-size:12px;color:var(--muted);text-align:center;margin-top:6px}
.dock a:hover .qr-pop{opacity:1;visibility:visible}
.to-top{opacity:0;visibility:hidden}
.to-top.show{opacity:1;visibility:visible}

/* ---------------- 滚动动效 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------------- 首屏右侧技术可视化 ---------------- */
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero-vis{position:relative}
.vis-card{
  background:linear-gradient(160deg,rgba(15,42,92,.92),rgba(10,24,52,.96));
  border:1px solid var(--line-2);border-radius:20px;padding:22px;box-shadow:var(--shadow);
}
.vis-card .vh{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:16px;font-family:var(--font-num)}
.vis-card .vh b{color:#7FD4FF;font-weight:600}
.dots{display:flex;gap:6px}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2)}
.dots i:first-child{background:#FF5F56}.dots i:nth-child(2){background:#FFBD2E}.dots i:nth-child(3){background:#27C93F}
.bars{display:grid;gap:12px;margin-bottom:18px}
.bar{display:grid;grid-template-columns:78px 1fr 46px;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);font-family:var(--font-num)}
.bar .tr{height:8px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
.bar .tr i{display:block;height:100%;border-radius:99px;background:var(--grad);width:0;transition:width 1.4s cubic-bezier(.2,.7,.3,1)}
.bar.in .tr i{width:var(--w,60%)}
.bar em{font-style:normal;color:#7FD4FF;text-align:right}
.vis-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-top:16px;border-top:1px solid var(--line)}
.vis-foot div{text-align:center}
.vis-foot b{display:block;font-family:var(--font-num);font-size:19px;color:#fff}
.vis-foot span{font-size:11.5px;color:var(--muted)}
.hero-mini{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.hero-mini span{font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:var(--panel)}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}.hero-vis{order:2}}

/* ---------------- 通用小工具 ---------------- */
.center{text-align:center}
.mt24{margin-top:24px}.mt40{margin-top:40px}
.muted{color:var(--muted)}
.hr{height:1px;background:var(--line);margin:34px 0;border:0}
.badge{display:inline-block;font-size:12.5px;color:#7FD4FF;background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.3);border-radius:999px;padding:3px 12px}
.two-col{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start}
@media (max-width:980px){.two-col{grid-template-columns:1fr}}

/* ---------------- 详情页 ---------------- */
.prod-hero{background:linear-gradient(140deg,rgba(15,42,92,.95),rgba(8,21,44,.98));border-bottom:1px solid var(--line)}
.prod-hero .wrap{padding:clamp(38px,6vw,74px) 20px}
.prod-hero h1{max-width:900px}
.prod-hero .lead{font-size:clamp(15.5px,1.6vw,19px);color:var(--sub);max-width:820px;margin-bottom:26px}
.mod-list{display:grid;gap:20px}
.mod{padding:26px 28px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--primary)}
.mod.warn{border-left-color:#F59E0B}
.mod.ok{border-left-color:#22C55E}
.mod h3{display:flex;align-items:center;gap:10px}
.mod h3 span{flex:0 0 auto;font-size:12px;font-family:var(--font-num);color:#fff;background:var(--primary);border-radius:6px;padding:2px 9px}
.mod.warn h3 span{background:#F59E0B}
.mod.ok h3 span{background:#22C55E}
.fab{display:grid;gap:16px}
.fab .f{padding:20px 22px;border-radius:var(--radius-s);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.fab .f h4{color:#fff;font-size:16.5px;margin-bottom:8px}
.fab .f p{color:var(--muted);font-size:14.5px;margin:0}
.fab .f .ev{margin-top:10px;font-size:13.5px;color:#8CF0B0}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cases{grid-template-columns:repeat(2,1fr)}
  .ft .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hd .wrap{height:64px}
  .logo{gap:8px;font-size:17px}
  .logo-img{height:32px;max-width:150px}
  .logo i{width:30px;height:30px;font-size:13px}
  .burger{display:grid;place-items:center}
  .nav{
    position:fixed;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:2px;
    background:#0A1A38;border-bottom:1px solid var(--line);padding:12px;max-height:0;overflow:hidden;
    transition:max-height .3s ease;z-index:70;display:flex
  }
  .nav.open{max-height:78vh;overflow:auto}
  .nav>li>a{padding:13px 14px}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);margin:0 0 6px}
  .hd-tel{display:none}
  /* 手机端隐藏整个顶部信息条（地区/服务热线/工作时间） */
  .topbar{display:none}
  .grid-2,.grid-3,.item{grid-template-columns:1fr}
  .item .bd{padding:0 20px 20px}
  .item{grid-template-rows:auto auto}
  .f-row{grid-template-columns:1fr}
  /* 移动端页脚精简：只保留「联系方式」，隐藏「简介 / 快速导航 / 核心服务」三栏。
     注意：这里是 CSS 隐藏，不是删 HTML —— 链接仍在源码中，
     不影响搜索引擎内链与桌面端版式；想改生效范围就调本断点的 max-width。 */
  .ft .cols{grid-template-columns:1fr;padding:30px 0 24px}
  .ft .ft-about,.ft .ft-nav,.ft .ft-svc{display:none}
}
@media (max-width:620px){
  .bento,.cases{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:18px 10px}
  .logos{display:none}
  .ft .cols{grid-template-columns:1fr;gap:24px}
  .hero-cta .btn{width:100%}
  .dock{right:12px;gap:8px}
  .dock a,.dock button{width:50px;height:50px;border-radius:14px}
  .pager .pg{padding:7px 11px;font-size:13px}
}