/* ============================================================
   主题：浅色专业·白底科技蓝 (light)
   自研零版权主题；颜色全部使用 CSS 变量，可由后台主题设置覆盖
   ============================================================ */
:root{
  --nav-h:74px;
  --bg:#ffffff; --bg-2:#f4f7fb; --bg-soft:#f4f7fb; --bg-elev:#eef2f9; --bg-deep:#0c1d3d;
  --card:#ffffff; --card-solid:#ffffff; --card-hov:#ffffff;
  --line:#e5eaf2; --line-2:#d3dcec;
  --tx:#14233f; --tx-2:#51607a; --tx-3:#8a97ab;
  --primary:#2563eb; --secondary:#3b82f6; --accent:#60a5fa;
  --grad:linear-gradient(100deg,#2563eb 0%,#3b82f6 100%);
  --glow:0 0 22px rgba(37,99,235,.3);
  --shadow:0 16px 44px rgba(21,61,135,.1);
  --shadow-sm:0 10px 30px rgba(21,61,135,.07);
  --radius:18px; --radius-sm:12px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--tx);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(900px 500px at 85% -10%,rgba(37,99,235,.07),transparent 60%);}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:min(1240px,92%);margin:0 auto}

/* ===================== 顶部导航 ===================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;
  background:transparent;transition:background .35s,box-shadow .35s,border-color .35s;border-bottom:1px solid transparent;}
/* 首页透明态（压在 hero 大图上，文字白） */
.site-header .brand-txt strong{color:#fff}
.site-header .brand-txt small{color:rgba(255,255,255,.75)}
/* 滚动后 / 内页：白底深色 */
.site-header.scrolled,body.is-inner .site-header{background:rgba(255,255,255,.94);border-color:var(--line);box-shadow:0 8px 30px rgba(21,61,135,.08);backdrop-filter:blur(18px)}
.site-header.scrolled .brand-txt strong,body.is-inner .site-header .brand-txt strong{color:var(--tx)}
.site-header.scrolled .brand-txt small,body.is-inner .site-header .brand-txt small{color:var(--tx-3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(1240px,92%);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .mark{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--primary) 55%,var(--secondary));box-shadow:0 8px 24px rgba(37,99,235,.32)}
.brand-logo{height:44px;width:auto;object-fit:contain}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt strong{font-size:18px;letter-spacing:1px;transition:color .3s}
.brand-txt small{font-size:10px;letter-spacing:2px;margin-top:2px;transition:color .3s}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>a,.nav-parent>a{display:inline-flex;align-items:center;gap:5px;padding:9px 14px;font-size:15px;color:rgba(255,255,255,.92);border-radius:10px;position:relative;transition:.25s;white-space:nowrap}
.site-header.scrolled .main-nav>a,.site-header.scrolled .nav-parent>a,body.is-inner .main-nav>a,body.is-inner .nav-parent>a{color:var(--tx-2)}
.main-nav>a:hover,.nav-parent>a:hover{color:var(--primary)}
.main-nav>a.active,.nav-parent.active>a{color:var(--primary)}
body.is-home .site-header:not(.scrolled) .main-nav>a.active{color:#fff}
body.is-home .site-header:not(.scrolled) .nav-parent.active>a{color:#fff}
.main-nav>a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad)}
.nav-caret{display:inline-flex;opacity:.7;transition:transform .25s}
.nav-parent:hover .nav-caret{transform:rotate(90deg)}
.nav-dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:210px;padding:8px;display:flex;flex-direction:column;gap:2px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.nav-parent{position:relative}
.nav-parent:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;font-size:14px;color:var(--tx-2);white-space:nowrap}
.nav-dropdown a svg{color:var(--primary);flex-shrink:0}
.nav-dropdown a:hover{background:var(--bg-soft);color:var(--tx)}
.nav-dropdown a.active{color:var(--primary);background:rgba(37,99,235,.08)}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-tel{display:flex;align-items:center;gap:7px;color:#fff;font-weight:700;font-size:15px;transition:color .3s}
.site-header.scrolled .nav-tel,body.is-inner .nav-tel{color:var(--primary)}
.nav-tel i{display:grid;color:var(--primary)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:11px;background:#fff;border:1px solid var(--line-2);cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;margin:0 auto;background:var(--tx);border-radius:2px;transition:.3s}
.nav-mask{position:fixed;inset:0;background:rgba(12,29,61,.5);backdrop-filter:blur(2px);z-index:99;opacity:0;visibility:hidden;transition:.3s}
.nav-mask.show{opacity:1;visibility:visible}

/* ===================== 按钮 ===================== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.28s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 42px rgba(37,99,235,.4)}
.btn-ghost{background:#fff;border:1px solid var(--line-2);color:var(--primary)}
.btn-ghost:hover{background:var(--bg-soft);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.hero .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(6px)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13px;border-radius:10px}

/* ===================== 首页 HERO ===================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:calc(var(--nav-h) + 60px) 0 70px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,29,61,.92) 0%,rgba(15,40,84,.8) 36%,rgba(20,60,120,.4) 68%,rgba(255,255,255,.05) 100%),
             linear-gradient(180deg,rgba(12,29,61,.55) 0%,rgba(12,29,61,.1) 45%,rgba(12,29,61,.7) 100%);}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.45;
  background-image:linear-gradient(rgba(147,197,253,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(147,197,253,.12) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 30% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 60% at 30% 40%,#000 20%,transparent 75%)}
.hero-inner{position:relative;z-index:2;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(147,197,253,.4);color:#dbeafe;font-size:13px;letter-spacing:2px;margin-bottom:26px}
.eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:#7dd3fc;box-shadow:0 0 12px #7dd3fc;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.16;font-weight:800;letter-spacing:-.5px;margin-bottom:22px;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.25)}
.hero h1 .g{background:linear-gradient(100deg,#bae6fd,#60a5fa 60%,#93c5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(15px,1.4vw,18px);color:rgba(233,242,255,.92);max-width:600px;margin-bottom:36px;text-shadow:0 2px 16px rgba(0,0,0,.2)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-actions .btn-primary{background:#fff;color:var(--primary);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.hero-actions .btn-primary:hover{background:#f0f6ff}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);overflow:hidden;backdrop-filter:blur(10px)}
.stat{background:rgba(12,29,61,.5);padding:24px 22px}
.stat .num{font-size:clamp(26px,3vw,40px);font-weight:800;background:linear-gradient(100deg,#bae6fd,#60a5fa);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat .suffix{font-size:18px;font-weight:700;color:#93c5fd}
.stat p{font-size:13px;color:rgba(219,234,254,.8);margin-top:9px}

/* ===================== 通用区块 ===================== */
.section{padding:92px 0}
.section-sm{padding:56px 0}
.sec-about,.sec-news{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:54px}
.sec-head .tag{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--primary);font-weight:700;margin-bottom:14px}
.sec-head h2{font-size:clamp(27px,3.2vw,40px);font-weight:800;letter-spacing:-.5px;margin-bottom:14px;color:var(--tx)}
.sec-head p{color:var(--tx-2);font-size:16px;max-width:680px;margin:0 auto}
.sec-title{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.5px;margin:12px 0 18px}
.sec-p{color:var(--tx-2);font-size:16px;margin-bottom:24px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d8e3f5}

/* ===================== 业务领域 ===================== */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.biz-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.biz-card:hover{transform:translateY(-8px);border-color:#d8e3f5;box-shadow:var(--shadow)}
.biz-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.biz-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.biz-card:hover .thumb img{transform:scale(1.08)}
.biz-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(12,29,61,.5))}
.biz-card .thumb .ico{position:absolute;left:18px;bottom:16px;z-index:2;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--accent),var(--primary));box-shadow:0 8px 22px rgba(37,99,235,.4)}
.biz-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.biz-card .body h3{font-size:18px;margin-bottom:9px;color:var(--tx)}
.biz-card .body p{color:var(--tx-2);font-size:13.5px;line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.biz-card .more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:13.5px;font-weight:600}
.biz-card .more svg{transition:transform .25s}
.biz-card:hover .more svg{transform:translateX(4px)}

/* ===================== 关于我们 ===================== */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.about .visual{position:relative}
.about .visual img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.about .visual .badge{position:absolute;left:-24px;bottom:-26px;background:#fff;border:1px solid #d8e3f5;border-radius:16px;padding:18px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}
.about .badge strong{font-size:34px;font-weight:800;color:var(--primary);line-height:1}
.about .badge span{font-size:13px;color:var(--tx-2);line-height:1.5}
.about .tag{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--primary);font-weight:700}
.about-points{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;margin:28px 0 32px}
.about-points li{display:flex;gap:12px;align-items:flex-start}
.about-points li i{flex-shrink:0;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:var(--primary);background:rgba(37,99,235,.1);border:1px solid rgba(37,99,235,.22)}
.about-points strong{font-size:15px;display:block;margin-bottom:3px;color:var(--tx)}
.about-points p{font-size:13px;color:var(--tx-3);margin:0}

/* ===================== 核心能力 ===================== */
.cap{position:relative;padding:96px 0;overflow:hidden}
.cap-bg{display:none}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.35s;box-shadow:var(--shadow-sm)}
.cap-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d8e3f5}
.cap-card .ic{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;color:var(--primary);background:rgba(37,99,235,.1);border:1px solid rgba(37,99,235,.22);margin-bottom:20px}
.cap-card h3{font-size:19px;margin-bottom:11px;color:var(--tx)}
.cap-card p{color:var(--tx-2);font-size:14px}

/* ===================== 项目案例 ===================== */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.case-card{position:relative;aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;display:block;box-shadow:var(--shadow-sm)}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover img{transform:scale(1.08)}
.case-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(12,29,61,.92))}
.case-card .cap-t{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px}
.case-card .ct-tag{display:inline-block;font-size:11px;letter-spacing:2px;color:#bfdbfe;border:1px solid rgba(147,197,253,.5);border-radius:999px;padding:3px 12px;margin-bottom:10px}
.case-card h3{font-size:16px;line-height:1.5;color:#fff}

/* ===================== 新闻资讯 ===================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.news-card:hover{transform:translateY(-8px);border-color:#d8e3f5;box-shadow:var(--shadow)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover .thumb img{transform:scale(1.07)}
.news-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-card .meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--tx-3);margin-bottom:12px}
.news-card .meta .views{color:var(--primary)}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;color:var(--tx)}
.news-card p{color:var(--tx-2);font-size:13.5px;line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:13.5px;font-weight:600}
.news-card .more svg{transition:transform .25s}
.news-card:hover .more svg{transform:translateX(4px)}

/* ===================== CTA ===================== */
.cta-section{padding:0 0 92px}
.cta-box{border-radius:26px;padding:54px 56px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  background:linear-gradient(120deg,#1d4ed8,#2563eb 55%,#3b82f6);position:relative;overflow:hidden;box-shadow:0 26px 60px rgba(37,99,235,.3)}
.cta-box::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);top:-160px;right:-80px}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;color:#fff}
.cta-box p{color:rgba(255,255,255,.9);max-width:620px}
.cta-box .btn{flex-shrink:0;position:relative;background:#fff;color:var(--primary)}
.cta-box .btn:hover{background:#f0f6ff}

/* ===================== 页脚（深色收尾） ===================== */
.footer{background:var(--bg-deep);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer h4{font-size:15px;color:#fff;margin-bottom:20px;position:relative;padding-left:13px}
.footer h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--grad)}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#aabfe0;font-size:14px;transition:.2s}
.footer-links a:hover{color:#7dd3fc;padding-left:4px}
.footer .contact li{display:flex;gap:12px;align-items:flex-start;color:#aabfe0;font-size:14px;margin-bottom:15px}
.footer .contact li i{color:#7dd3fc;flex-shrink:0;margin-top:2px}
.footer .contact a{color:#bfdbfe}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8298bd}
.footer-bottom a{margin-left:16px;color:#aabfe0}
.footer-bottom a:hover{color:#7dd3fc}

/* ===================== 悬浮窗 ===================== */
.float-side{position:fixed;right:16px;bottom:96px;z-index:90;display:flex;flex-direction:column;gap:9px}
.float-item{width:50px;height:50px;border-radius:13px;background:#fff;border:1px solid var(--line-2);display:grid;place-items:center;color:var(--primary);cursor:pointer;position:relative;transition:.25s;box-shadow:var(--shadow)}
.float-item:hover{transform:translateY(-3px);border-color:var(--primary);color:#1d4ed8}
.float-pop{position:absolute;right:60px;top:0;width:176px;background:#fff;border:1px solid var(--line-2);border-radius:14px;padding:14px;text-align:center;opacity:0;visibility:hidden;transform:translateX(10px);transition:.25s;box-shadow:var(--shadow)}
.float-item:hover .float-pop{opacity:1;visibility:visible;transform:translateX(0)}
.float-pop img{width:148px;height:148px;object-fit:contain;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px}
.float-pop span{display:block;font-size:13px;color:var(--tx-2);margin-top:8px}
.float-back{opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.float-back.show{opacity:1;visibility:visible;transform:none}
.float-back svg{transform:rotate(-90deg)}
/* FAB：PC 端隐藏，items 竖排 */
.float-fab{display:none}
.float-fab .ic-close{display:none}
.float-items{display:flex;flex-direction:column;gap:9px}

/* ===================== 内页：页面头 ===================== */
.page-hero{position:relative;padding:calc(var(--nav-h) + 66px) 0 52px;overflow:hidden;
  background:linear-gradient(120deg,#eaf1ff,#f4f7fb 60%,#eef4ff);border-bottom:1px solid var(--line)}
.page-hero::after{content:"";position:absolute;inset:0;opacity:.7;
  background-image:linear-gradient(rgba(37,99,235,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.05) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 80% 100% at 80% 0,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 100% at 80% 0,#000 30%,transparent 75%)}
.page-hero>.container{position:relative;z-index:1}
.crumb{font-size:13px;color:var(--tx-3);margin-bottom:16px}
.crumb a:hover{color:var(--primary)}
.page-hero h1{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:-.5px;color:var(--tx)}
.page-hero h1+p{color:var(--tx-2);margin-top:12px;max-width:760px}

/* ===================== 内页：列表/卡片 ===================== */
.sub-cats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.sub-cats a{padding:9px 20px;border-radius:999px;border:1px solid var(--line-2);color:var(--tx-2);font-size:14px;background:#fff;transition:.25s}
.sub-cats a.on,.sub-cats a:hover{border-color:var(--primary);color:var(--primary);background:rgba(37,99,235,.07)}
.media-card{padding:0;display:flex;flex-direction:column}
.media-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev);position:relative}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.media-card:hover .thumb img{transform:scale(1.06)}
.media-card .thumb .ph{width:100%;height:100%;display:grid;place-items:center;color:var(--primary)}
.media-card .body{padding:22px}
.media-card .meta{font-size:12.5px;color:var(--tx-3);margin-bottom:8px;display:flex;gap:12px;flex-wrap:wrap}
.media-card h3{font-size:16.5px;line-height:1.45;margin-bottom:8px;color:var(--tx)}
.media-card p{color:var(--tx-2);font-size:13.5px}
.article-item{display:flex;gap:26px}
.article-item .thumb{width:300px;flex-shrink:0;aspect-ratio:16/10;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-elev)}
.article-item .thumb img{width:100%;height:100%;object-fit:cover}
.article-item .info{flex:1;min-width:0}
.article-item .meta{font-size:12.5px;color:var(--tx-3);margin-bottom:9px}
.article-item h3{font-size:21px;margin-bottom:10px;transition:color .2s;color:var(--tx)}
.article-item:hover h3{color:var(--primary)}
.article-item .info>p{color:var(--tx-2);font-size:14.5px}
.article-item .more{margin-top:11px;color:var(--primary);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ===================== 内页：文章正文 ===================== */
.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--tx-3);font-size:13px;margin:18px 0 6px}
.article-body{font-size:16px;color:var(--tx-2)}
.article-body h2{color:var(--tx);font-size:24px;margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--primary)}
.article-body h3{color:var(--tx);font-size:19px;margin:28px 0 12px}
.article-body p{margin-bottom:16px}
.article-body img{border-radius:var(--radius);margin:24px 0;border:1px solid var(--line)}
.article-body ul{margin:0 0 16px 4px}
.article-body ul li{padding-left:22px;position:relative;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary)}
.article-body ol{margin:0 0 16px 22px}
.article-body ol li{margin-bottom:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line-2);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-soft);color:var(--tx)}
.article-body a{color:var(--primary);text-decoration:underline}
.article-body blockquote{border-left:3px solid var(--primary);background:var(--bg-soft);padding:14px 20px;border-radius:0 10px 10px 0;margin:18px 0;color:var(--tx-2)}
.article-body h1{color:var(--tx);font-size:30px;margin:44px 0 18px;padding-left:14px;border-left:3px solid var(--primary)}
.article-body h4{color:var(--tx);font-size:17px;margin:24px 0 10px}
.article-body img{max-width:100%;height:auto}
.article-body video{max-width:100%;border-radius:var(--radius);margin:24px 0}
.article-body pre{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:10px;overflow:auto;margin:20px 0;font-family:Consolas,Monaco,monospace;font-size:14px}
.article-body code{background:var(--bg-soft);padding:2px 6px;border-radius:5px;font-family:Consolas,Monaco,monospace;font-size:.92em}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body iframe{max-width:100%}
.article-body .rte-video-wrap{position:relative;width:100%;padding-top:56.25%;margin:24px 0}
.article-body .rte-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.gallery img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:0}
.article-attach{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-sm);color:var(--primary);margin:18px 0;font-weight:600;box-shadow:var(--shadow-sm)}
.article-attach:hover{border-color:var(--primary)}
.related h3{font-size:21px;margin-bottom:22px;color:var(--tx)}

/* ===================== 迁移内容：特性列表 / 图片网格 ===================== */
.article-body ul.feature-list{margin:10px 0 24px}
.article-body ul.feature-list li{padding-left:0;padding-top:20px;margin-bottom:20px;border-top:1px solid var(--line)}
.article-body ul.feature-list li:first-child{border-top:none;padding-top:0}
.article-body ul.feature-list li::before{display:none}
.article-body .feature-icon{width:58px;height:58px;margin:0 0 12px;background:#fff;border:1px solid var(--line-2);border-radius:14px;padding:10px}
.article-body ul.feature-list h3{margin:4px 0 8px}
.article-body ul.feature-list p{margin-bottom:0;color:var(--tx-2)}
.article-body .img-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0}
.article-body .img-cell{margin:0;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;display:flex;align-items:center;justify-content:center}
.article-body .img-cell img{margin:0;border:none;border-radius:8px;max-width:100%;height:auto}
@media(max-width:640px){.article-body .img-grid{grid-template-columns:1fr;gap:12px}}

/* ===================== 内页：表单 ===================== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;color:var(--tx-2)}
.form-field label .req{color:var(--primary)}
.form-field input,.form-field textarea,.form-field select{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:12px 14px;color:var(--tx);font-family:inherit;font-size:14px;transition:.2s}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--tx-3)}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.14)}
.form-field textarea{min-height:134px;resize:vertical}
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:20px}
.alert-ok{background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.3);color:var(--primary)}
.alert-err{background:rgba(220,38,38,.08);border:1px solid rgba(220,38,38,.3);color:#dc2626}
.contact-info li{display:flex;gap:14px;align-items:flex-start;margin-bottom:24px;color:var(--tx-2);font-size:15px}
.contact-info .ci-ico{width:46px;height:46px;flex-shrink:0;border-radius:12px;background:rgba(37,99,235,.1);border:1px solid rgba(37,99,235,.22);display:grid;place-items:center;color:var(--primary)}
.qr-row{display:flex;gap:24px;margin-top:12px;flex-wrap:wrap}
.qr-box{text-align:center}
.qr-box img{width:150px;height:150px;border-radius:var(--radius-sm);background:#fff;padding:8px;object-fit:contain;border:1px solid var(--line)}
.qr-box span{display:block;font-size:13px;color:var(--tx-3);margin-top:8px}

/* ===================== 内页：招聘 ===================== */
.job-item{display:flex;justify-content:space-between;align-items:center;gap:20px}
.job-item h3{font-size:19px;margin-bottom:9px;color:var(--tx)}
.job-item .tags{display:flex;gap:8px;flex-wrap:wrap}
.job-item .tags span{font-size:12.5px;color:var(--tx-2);background:var(--bg-soft);border:1px solid var(--line);padding:3px 12px;border-radius:999px}
.job-item .salary{color:var(--primary);font-weight:700;font-size:18px;white-space:nowrap}

/* ===================== 分页 ===================== */
.pager{display:flex;gap:8px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span{padding:9px 15px;border-radius:9px;border:1px solid var(--line);font-size:13.5px;color:var(--tx-2);background:#fff}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .cur{background:var(--grad);color:#fff;border-color:transparent;font-weight:700}

/* ===================== 滚动渐入 ===================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}.reveal.d6{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ===================== 响应式 1100 ===================== */
@media (max-width:1100px){
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-tel{display:none}
}
@media (max-width:860px){
  /* 移动端抽屉始终白底深色 */
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:310px;max-width:82vw;background:#fff;
    flex-direction:column;align-items:stretch;gap:2px;padding:calc(var(--nav-h) + 14px) 18px 30px;overflow-y:auto;
    transform:translateX(100%);transition:transform .35s ease;box-shadow:-20px 0 60px rgba(12,29,61,.18);z-index:101}
  .main-nav.show{transform:translateX(0)}
  .main-nav>a,.nav-parent>a{padding:13px 14px;font-size:15px;border-radius:10px;color:var(--tx-2)}
  .main-nav>a.active{color:var(--primary)}
  .main-nav>a.active::after{display:none}
  .nav-parent{position:static}
  .nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:none;padding:2px 0 6px 14px;display:flex}
  .nav-dropdown a{padding:9px 12px;font-size:13.5px}
  .nav-caret{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 50px) 0 56px}
  .hero-actions{margin-bottom:40px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:50px}
  .about .visual .badge{left:14px;bottom:-22px;padding:14px 18px}
  .about-points{grid-template-columns:1fr}
  .biz-grid,.case-grid,.news-grid,.cap-grid{grid-template-columns:1fr}
  .case-card{aspect-ratio:16/9}
  .case-grid{gap:16px}
  .cta-box{flex-direction:column;align-items:flex-start;padding:38px 28px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .article-item{flex-direction:column}
  .article-item .thumb{width:100%}
  .gallery{grid-template-columns:1fr}
  .job-item{flex-direction:column;align-items:flex-start}
  .section{padding:62px 0}
  .float-side{right:12px;bottom:78px}
  .float-fab{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;border:1px solid var(--primary);background:var(--primary);color:#fff;box-shadow:var(--shadow);cursor:pointer;z-index:2;-webkit-tap-highlight-color:transparent}
  .float-fab:active{transform:scale(.93)}
  .float-items{display:none;order:-1;margin-bottom:9px}
  .float-side.open .float-items{display:flex}
  .float-side.open .ic-open{display:none}
  .float-side.open .ic-close{display:block}
  .float-item{width:46px;height:46px;margin:0 auto}
  .float-pop{right:54px;width:168px}
  .float-item.pop-on .float-pop{opacity:1;visibility:visible;transform:translateX(0)}
}
@media (max-width:420px){
  .brand-txt small{display:none}
  .stat{padding:18px 14px}
  .hero-actions .btn{flex:1;justify-content:center}
}