/* ============================================================
   安徽奥睿科信息科技有限公司 官网样式
   简约大气 · 科技感
   ============================================================ */
:root{
  --navy-950:#060b1a;
  --navy-900:#0a1230;
  --navy-800:#101c48;
  --navy-700:#1b2c63;
  --blue:#1f5fff;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --red:#e8334a;
  --red-deep:#e2233f;
  --orange:#ff7a3d;
  --ink:#0e1730;
  --ink-2:#44506b;
  --ink-3:#75809a;
  --bg:#f5f7fc;
  --bg-soft:#eef2fa;
  --white:#ffffff;
  --line:#e3e9f4;
  --line-dark:rgba(255,255,255,.10);
  --shadow-sm:0 4px 14px rgba(16,28,72,.06);
  --shadow-md:0 14px 40px rgba(16,28,72,.10);
  --shadow-lg:0 26px 70px rgba(6,11,26,.18);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1200px;
  --header-h:68px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- 通用标题 ---------- */
.section{padding:92px 0;}
.section-dark{background:linear-gradient(180deg,var(--navy-950) 0%,var(--navy-900) 60%,var(--navy-950) 100%);color:#dbe4ff;position:relative;overflow:hidden;}
.section-soft{background:var(--bg);}
.section-head{margin-bottom:56px;}
.section-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.section-eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.32em;color:var(--blue);
  text-transform:uppercase;margin-bottom:14px;
}
.section-eyebrow.light{color:var(--cyan);}
.section-title{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.25;letter-spacing:.01em;color:var(--ink);
}
.section-title.light{color:#fff;}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:15.5px;}
.section-desc.light{color:#9fb0d6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s,background .25s,border-color .25s;
  white-space:nowrap;
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,#1140d6 100%);color:#fff;box-shadow:0 10px 26px rgba(31,95,255,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,95,255,.42);}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);}
.btn-block{width:100%;}
.section-dark .btn-primary{background:linear-gradient(135deg,var(--blue-bright),var(--blue));}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1);}
.reveal.in-view{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  box-shadow:0 6px 24px rgba(16,28,72,.08);border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-logo{width:42px;height:42px;flex:none;object-fit:contain;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:15px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap;transition:color .3s;}
.site-header.scrolled .brand-cn{color:var(--navy-900);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-logo{width:46px;height:46px;}
.footer-brand .brand-cn{font-size:17px;color:#fff;line-height:1.3;}
.main-nav{display:flex;gap:6px;}
.main-nav a{
  padding:8px 13px;font-size:14.5px;font-weight:500;color:rgba(255,255,255,.82);
  border-radius:8px;position:relative;transition:color .25s;
}
.main-nav a:hover{color:#fff;}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .25s,left .25s;
}
.main-nav a:hover::after{width:20px;left:calc(50% - 10px);}
.site-header.scrolled .main-nav a{color:var(--ink-2);}
.site-header.scrolled .main-nav a:hover{color:var(--blue);}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-cta{display:inline-flex;}
.site-header:not(.scrolled) .header-cta{background:linear-gradient(135deg,var(--blue-bright),var(--blue));}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;}
.nav-toggle span{width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s,background .3s;}
.site-header.scrolled .nav-toggle span{background:var(--navy-900);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:radial-gradient(1200px 700px at 75% 18%,rgba(31,95,255,.28),transparent 60%),
             radial-gradient(900px 600px at 12% 82%,rgba(34,211,238,.14),transparent 60%),
             linear-gradient(180deg,#070e26 0%,#0a1230 55%,#060b1a 100%);
  color:#fff;overflow:hidden;padding:120px 0 90px;
}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;}
.hero-grid{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(120,160,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,160,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 80%);
}
.hero-glow{position:absolute;z-index:0;left:50%;top:42%;width:680px;height:680px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(31,95,255,.18),transparent 62%);filter:blur(10px);pointer-events:none;}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:980px;}
.hero-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.26em;color:var(--cyan);
  padding:8px 18px;border:1px solid rgba(34,211,238,.35);border-radius:999px;
  background:rgba(34,211,238,.06);margin-bottom:28px;
}
.hero-title{font-size:clamp(36px,6vw,62px);font-weight:900;line-height:1.18;letter-spacing:.01em;}
.hero-title .text-grad{
  background:linear-gradient(100deg,var(--cyan) 0%,#6ea8ff 50%,#8f7bff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:24px;font-size:clamp(15px,1.8vw,18px);color:#b8c6e8;line-height:1.9;}
.hero-actions{margin-top:38px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.hero-stats{
  margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line-dark);border-radius:16px;overflow:hidden;
  background:rgba(255,255,255,.03);backdrop-filter:blur(6px);
}
.hero-stat{padding:26px 12px;text-align:center;position:relative;}
.hero-stat+.hero-stat::before{content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:var(--line-dark);}
.hero-stat .num{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.stat-label{margin-top:6px;display:block;font-size:13px;color:#91a3cf;letter-spacing:.05em;}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;}
.mouse{display:block;width:24px;height:40px;border:2px solid rgba(255,255,255,.4);border-radius:14px;position:relative;}
.wheel{position:absolute;left:50%;top:8px;width:3px;height:7px;background:var(--cyan);border-radius:3px;transform:translateX(-50%);animation:wheel 1.8s infinite;}
@keyframes wheel{0%{opacity:1;transform:translate(-50%,0);}100%{opacity:0;transform:translate(-50%,14px);}}

/* ============================================================
   关于
   ============================================================ */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center;}
.about-media{position:relative;}
.about-img-wrap{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);z-index:2;}
.about-img-wrap img{width:100%;height:460px;object-fit:cover;}
.about-img-badge{
  position:absolute;left:22px;bottom:22px;right:22px;
  background:rgba(10,18,48,.82);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px 20px;color:#fff;
}
.badge-num{display:block;font-size:17px;font-weight:700;color:var(--cyan);}
.badge-txt{font-size:12.5px;color:#b8c6e8;margin-top:2px;}
.about-deco{position:absolute;z-index:1;right:-22px;top:-22px;width:160px;height:160px;
  border:2px solid var(--blue);border-radius:24px;opacity:.18;transform:rotate(8deg);}
.about-text .section-title{margin-bottom:10px;}
.about-slogan{margin:0 0 18px;font-size:16px;font-weight:700;color:var(--blue);letter-spacing:.01em;}
.about-lead{font-size:17px;font-weight:600;color:var(--ink);line-height:1.85;margin-bottom:14px;}
.about-body{color:var(--ink-2);margin-bottom:14px;}
.about-values{margin-top:26px;display:grid;gap:14px;}
.value-item{display:flex;gap:16px;align-items:flex-start;padding:16px 18px;background:var(--bg);border-radius:12px;border:1px solid var(--line);transition:transform .25s,box-shadow .25s;}
.value-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);}
.value-idx{font-size:13px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;padding-top:3px;}
.value-item strong{font-size:15.5px;color:var(--ink);}
.value-item p{font-size:13.5px;color:var(--ink-3);margin-top:2px;}

/* ============================================================
   业务范围
   ============================================================ */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.biz-card{
  position:relative;padding:30px 26px 26px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line-dark);
  transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s,box-shadow .3s;
  overflow:hidden;
}
.biz-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));transform:scaleX(0);transform-origin:left;transition:transform .35s;}
.biz-card:hover{transform:translateY(-6px);border-color:rgba(74,144,255,.45);box-shadow:0 20px 44px rgba(0,0,0,.35);}
.biz-card:hover::before{transform:scaleX(1);}
.biz-icon{width:54px;height:54px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(31,95,255,.18));
  border:1px solid rgba(34,211,238,.28);color:var(--cyan);margin-bottom:18px;}
.biz-icon svg{width:28px;height:28px;}
.biz-card h3{color:#fff;font-size:19px;font-weight:700;margin-bottom:8px;}
.biz-desc{font-size:13.5px;color:#9fb0d6;margin-bottom:16px;min-height:44px;}
.biz-list{display:flex;flex-wrap:wrap;gap:8px;}
.biz-list li{font-size:12.5px;color:#c6d2f2;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);}

/* ============================================================
   解决方案
   ============================================================ */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.sol-card{padding:28px 26px;border-radius:var(--radius);background:var(--white);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s;}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(31,95,255,.3);}
.sol-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.sol-icon{width:50px;height:50px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf1ff,#e8f8fd);color:var(--blue);}
.sol-icon svg{width:26px;height:26px;}
.sol-card h3{font-size:18px;font-weight:700;}
.sol-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.sol-tags{display:flex;flex-wrap:wrap;gap:8px;}
.sol-tags span{font-size:12px;color:var(--blue);background:#eef4ff;padding:4px 10px;border-radius:6px;}

/* ============================================================
   核心优势
   ============================================================ */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.adv-item{background:var(--white);padding:32px 28px;transition:background .3s;}
.adv-item:hover{background:linear-gradient(180deg,#fbfdff,#f1f6ff);}
.adv-num{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.1em;font-variant-numeric:tabular-nums;
  display:inline-block;padding:3px 10px;background:var(--navy-900);border-radius:6px;margin-bottom:16px;}
.adv-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.adv-item p{font-size:13.5px;color:var(--ink-2);}

/* ============================================================
   案例
   ============================================================ */
.case-filter{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
.filter-btn{padding:9px 22px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);
  background:var(--white);border:1px solid var(--line);transition:all .25s;}
.filter-btn:hover{color:var(--blue);border-color:var(--blue);}
.filter-btn.active{background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(31,95,255,.3);}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.case-card{border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s;}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.case-card.hide{display:none;}
.case-img{position:relative;height:240px;overflow:hidden;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1);}
.case-card:hover .case-img img{transform:scale(1.06);}
.case-tag{position:absolute;left:14px;top:14px;font-size:12px;color:#fff;
  background:rgba(10,18,48,.72);backdrop-filter:blur(6px);padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.18);}
.case-body{padding:22px 24px 24px;}
.case-body h3{font-size:17.5px;font-weight:700;margin-bottom:8px;}
.case-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
.case-more{margin-top:44px;text-align:center;padding:30px;background:var(--bg);border-radius:var(--radius);border:1px dashed var(--line);}
.case-more-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.case-more-list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 14px;}
.case-more-list span{font-size:13.5px;color:var(--ink-2);padding:6px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;}

/* ============================================================
   资质荣誉
   ============================================================ */
/* 资质证书横向滚动带 */
.cert-marquee{margin:6px 0 8px;}
.cert-marquee-mask{overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);}
.cert-track{display:flex;width:max-content;animation:certScroll 38s linear infinite;}
.cert-marquee:hover .cert-track{animation-play-state:paused;}
.cert-slide{flex:none;width:236px;margin-right:22px;border-radius:12px;overflow:hidden;cursor:pointer;
  background:#fff;border:1px solid rgba(255,255,255,.16);
  transition:transform .28s,box-shadow .28s;}
.cert-slide:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.45);}
.cert-slide img{width:100%;height:262px;object-fit:contain;background:#fff;padding:12px 12px 4px;}
.cert-slide figcaption{padding:8px 10px 13px;text-align:center;font-size:13px;font-weight:700;color:var(--navy-900);
  border-top:1px solid var(--line);}
.cert-marquee-tip{margin-top:18px;text-align:center;font-size:12.5px;letter-spacing:.06em;color:#8fa0c8;}
@keyframes certScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* 自主知识产权 */
.ip-block{margin-top:34px;padding:34px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);}
.ip-head{margin-bottom:22px;}
.ip-head h3{color:#fff;font-size:19px;font-weight:700;margin-bottom:8px;}
.ip-head p{font-size:14px;color:#9fb0d6;line-height:1.75;max-width:900px;}
.ip-types{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px;}
.ip-type{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:12px;
  background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.22);}
.ip-ic{flex:none;font-size:12px;font-weight:700;color:var(--navy-900);
  background:linear-gradient(135deg,var(--cyan),#7dd3fc);padding:7px 11px;border-radius:7px;white-space:nowrap;}
.ip-type strong{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:3px;}
.ip-type p{font-size:12.5px;color:#9fb0d6;line-height:1.4;}
.soft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.soft-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  transition:background .25s,border-color .25s,transform .25s;}
.soft-item:hover{background:rgba(34,211,238,.1);border-color:rgba(34,211,238,.4);transform:translateY(-2px);}
.soft-badge{flex:none;font-size:11px;font-weight:700;color:var(--navy-900);background:linear-gradient(135deg,var(--cyan),#7dd3fc);
  padding:4px 9px;border-radius:6px;}
.soft-name{flex:1;min-width:0;font-size:13px;color:#e3eaff;line-height:1.5;}
.soft-zoom{flex:none;color:#9fb0d6;display:flex;transition:color .25s;}
.soft-item:hover .soft-zoom{color:var(--cyan);}
@media (prefers-reduced-motion:reduce){
  .cert-track{animation:none;}
  .cert-marquee-mask{overflow-x:auto;}
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.contact-list{display:grid;gap:16px;}
.contact-list li{display:flex;gap:16px;align-items:flex-start;padding:20px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.ci-icon{flex:none;width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf1ff,#e8f8fd);color:var(--blue);}
.ci-icon svg{width:22px;height:22px;}
.ci-label{font-size:12.5px;color:var(--ink-3);margin-bottom:2px;}
.ci-value{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;}
a.ci-value{color:var(--blue);}
.credit-code{font-variant-numeric:tabular-nums;letter-spacing:.02em;}
/* 联系区可交互地图（Leaflet + 高德瓦片） */
.contact-map{position:relative;margin-top:18px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-md);background:#eef1f5;}
.cm-map{height:300px;width:100%;z-index:1;}
.cm-map .leaflet-container{font-family:inherit;background:#eef1f5;outline:none;}
.cm-map .leaflet-control-attribution{font-size:10px;background:rgba(255,255,255,.75);}
.cm-map .leaflet-bar{border:none;box-shadow:0 2px 10px rgba(15,23,42,.18);}
.cm-map .leaflet-bar a{background:#fff;color:#1d4ed8;}
.cm-map .leaflet-popup-content{font-size:13px;line-height:1.6;margin:12px 14px;}
.cm-map .leaflet-popup-content a{color:var(--blue);font-weight:600;}
.cm-map .leaflet-popup-content .cm-popup-title{font-weight:700;font-size:13.5px;margin-bottom:3px;}
.cm-divicon{background:transparent;border:none;}
/* 常驻地址条 */
.cm-address{position:absolute;top:12px;left:12px;z-index:800;display:inline-flex;gap:7px;align-items:center;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.96);box-shadow:0 4px 14px rgba(15,23,42,.12);backdrop-filter:blur(4px);}
.cm-address svg{flex:none;width:17px;height:17px;color:var(--blue);}
.cm-address-title{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1;white-space:nowrap;}
.cm-address{transition:opacity .2s ease,transform .2s ease;}
.cm-address.cm-hidden{opacity:0;pointer-events:none;transform:translateY(-3px);}
/* 导航按钮 */
.cm-nav{position:absolute;left:12px;bottom:12px;z-index:800;display:inline-flex;align-items:center;gap:7px;
  padding:9px 15px;border-radius:999px;background:rgba(29,78,216,.95);color:#fff;
  font-size:13.5px;font-weight:600;text-decoration:none;box-shadow:0 6px 18px rgba(29,78,216,.35);
  transition:transform .15s,background .2s;}
.cm-nav svg{width:16px;height:16px;}
.cm-nav:hover{background:#1d4ed8;transform:translateY(-1px);color:#fff;}
@media (max-width:820px){
  .cm-map{height:250px;}
}
.contact-form{padding:32px;border-radius:var(--radius);background:var(--white);
  border:1px solid var(--line);box-shadow:var(--shadow-md);}
.contact-form h3{font-size:19px;font-weight:700;margin-bottom:22px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-item{margin-bottom:16px;}
.form-item label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.form-item input,.form-item textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;color:var(--ink);background:var(--bg);transition:border-color .2s,box-shadow .2s;background-color:#fff;}
.form-item input:focus,.form-item textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,95,255,.12);}
.form-item textarea{resize:vertical;}
.form-tip{margin-top:12px;font-size:13px;text-align:center;min-height:20px;}
.form-tip.ok{color:#0a9f6b;}
.form-tip.err{color:var(--red);}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--navy-950);color:#9fb0d6;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr .85fr .95fr 1.25fr 1.2fr;gap:32px;padding-bottom:44px;align-items:start;}
.footer-about{font-size:13.5px;line-height:1.8;max-width:340px;}
.footer-slogan{margin-top:12px;color:var(--cyan);font-weight:700;letter-spacing:.2em;font-size:14px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col a,.footer-col p{display:block;font-size:13.5px;margin-bottom:10px;transition:color .2s;}
.footer-col a:hover{color:var(--cyan);}

/* 服务支持 · 运维平台入口（默认简洁，悬停展开平台名称） */
.ops-entry{display:flex;align-items:flex-start;gap:11px;padding:12px 13px;border-radius:12px;
  border:1px solid rgba(56,132,255,.32);background:linear-gradient(135deg,rgba(31,95,255,.14),rgba(0,194,255,.06));
  transition:transform .25s,border-color .25s,box-shadow .25s,background .25s;}
.ops-entry:hover{transform:translateY(-2px);border-color:var(--cyan);
  box-shadow:0 12px 28px rgba(31,95,255,.28);background:linear-gradient(135deg,rgba(31,95,255,.28),rgba(0,194,255,.14));}
.ops-ico{flex:0 0 auto;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(135deg,var(--blue-bright),var(--blue));box-shadow:0 6px 14px rgba(31,95,255,.4);}
.ops-txt{display:flex;flex-direction:column;min-width:0;}
.ops-label{font-size:14px;font-weight:700;color:#fff;line-height:1.35;}
.ops-name{font-size:12.5px;font-weight:700;color:var(--cyan);line-height:1.35;
  max-height:0;opacity:0;overflow:hidden;transform:translateY(-3px);
  transition:max-height .28s ease,opacity .28s ease,transform .28s ease,margin .28s ease;}
.ops-go{font-size:11.5px;color:#9fb0d6;
  max-height:0;opacity:0;overflow:hidden;transform:translateY(-3px);
  transition:max-height .28s ease,opacity .28s ease,transform .28s ease,margin .28s ease;}
.ops-entry:hover .ops-name,.ops-entry:focus .ops-name{max-height:20px;opacity:1;margin-top:5px;transform:translateY(0);}
.ops-entry:hover .ops-go,.ops-entry:focus .ops-go{max-height:18px;opacity:1;margin-top:2px;transform:translateY(0);}
.ops-entry:hover .ops-go{color:#cfeeff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#75809a;}
.footer-icp a{display:inline;}
.footer-icp a:hover{color:var(--cyan);}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;z-index:90;
  background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(31,95,255,.4);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;}
.back-top.show{opacity:1;visibility:visible;transform:none;}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(4,8,20,.9);backdrop-filter:blur(4px);
  display:none;align-items:center;justify-content:center;padding:40px;}
.lightbox.open{display:flex;animation:fadeIn .25s;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.lightbox img{max-width:min(900px,92vw);max-height:88vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6);}
.lightbox-close{position:absolute;top:24px;right:28px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.lightbox-close:hover{background:rgba(255,255,255,.25);}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:980px){
  .about-grid{grid-template-columns:1fr;gap:44px;}
  .about-img-wrap img{height:380px;}
  .biz-grid,.sol-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px 26px;}
  .footer-brand{grid-column:1 / -1;}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;gap:0;padding:12px 18px 22px;
    background:rgba(255,255,255,.98);backdrop-filter:blur(16px);box-shadow:0 18px 40px rgba(16,28,72,.12);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .3s;border-top:1px solid var(--line);
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible;}
  .main-nav a{color:var(--ink-2);padding:13px 10px;border-bottom:1px solid var(--bg);border-radius:0;}
  .main-nav a:hover::after{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:640px){
  .section{padding:64px 0;}
  .container{padding:0 18px;}
  .hero{padding:110px 0 80px;}
  .brand-logo{width:36px;height:36px;}
  .brand-cn{font-size:13px;}
  .biz-grid,.sol-grid,.case-grid,.soft-grid{grid-template-columns:1fr;}
  .ip-block{padding:24px 18px;}
  .ip-types{grid-template-columns:1fr;gap:12px;}
  .cert-slide{width:196px;margin-right:16px;}
  .cert-slide img{height:220px;}
  .adv-grid{grid-template-columns:1fr;}
  .about-deco{display:none;}
  .form-item input,.form-item textarea{font-size:16px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  /* 移动端无悬停，平台名称常显 */
  .ops-entry{padding:14px 15px;}
  .ops-name{max-height:20px;opacity:1;margin-top:5px;transform:none;}
  .ops-go{max-height:18px;opacity:1;margin-top:2px;transform:none;}
  .case-img{height:210px;}
  .br-pc{display:none;}
  .footer-bottom-inner{justify-content:center;text-align:center;}
}