/* =========================================================
   芯合光科技 XinHeGuang Tech — 全站样式
   ========================================================= */
:root{
  --primary:#1560d4;
  --primary-dark:#0b3fa8;
  --navy:#0a1a4a;
  --navy-2:#0d2266;
  --cyan:#22c3ee;
  --grad:linear-gradient(120deg,#0b3fa8 0%,#1560d4 55%,#22c3ee 100%);
  --text:#1f2633;
  --text-2:#5b6474;
  --muted:#8a93a3;
  --line:#e6eaf2;
  --bg:#ffffff;
  --bg-soft:#f4f7fc;
  --radius:10px;
  --shadow:0 10px 30px rgba(16,42,110,.08);
  --shadow-lg:0 20px 50px rgba(16,42,110,.16);
  --container:1240px;
  --header-h:80px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);background:var(--bg);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:90px 0}
.section.soft{background:var(--bg-soft)}
.section.dark{background:var(--navy);color:#fff}
.text-center{text-align:center}

/* ---------- 标题 ---------- */
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head .en{display:block;font-size:13px;letter-spacing:4px;text-transform:uppercase;color:var(--primary);font-weight:600;margin-bottom:10px}
.sec-head h2{font-size:34px;line-height:1.35;font-weight:700;color:var(--navy)}
.sec-head h2::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--grad);margin:18px auto 0}
.sec-head p{color:var(--text-2);margin-top:16px;font-size:16px}
.dark .sec-head h2{color:#fff}
.dark .sec-head p{color:rgba(255,255,255,.72)}
.dark .sec-head .en{color:var(--cyan)}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.left h2::after{margin-left:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:40px;font-weight:600;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(21,96,212,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,96,212,.45)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--primary)}
.btn-outline{border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn svg{width:16px;height:16px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy);color:rgba(255,255,255,.75);font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:20px}
.topbar .tb-right{display:flex;gap:24px}
.topbar a:hover{color:#fff}
.topbar svg{width:14px;height:14px;vertical-align:-2px;margin-right:6px;fill:none;stroke:var(--cyan);stroke-width:2}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
  box-shadow:0 2px 16px rgba(10,26,74,.06);transition:box-shadow .3s}
.header .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav>li{position:relative}
.nav>li>a{display:block;padding:0 20px;line-height:var(--header-h);font-size:16px;font-weight:500;position:relative}
.nav>li>a::after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;background:var(--grad);transform:scaleX(0);transition:transform .25s}
.nav>li>a:hover,.nav>li.active>a{color:var(--primary)}
.nav>li:hover>a::after,.nav>li.active>a::after{transform:scaleX(1)}
.nav .sub{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:200px;background:#fff;border-radius:8px;
  box-shadow:var(--shadow-lg);padding:10px 0;opacity:0;visibility:hidden;transition:all .25s;border-top:3px solid var(--primary)}
.nav>li:hover .sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav .sub a{display:block;padding:9px 22px;font-size:14px;color:var(--text-2)}
.nav .sub a:hover{background:var(--bg-soft);color:var(--primary);padding-left:26px}
.header-cta{margin-left:18px}
.header-cta .btn{padding:9px 22px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border:0;background:none;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:9px;width:24px;height:2px;background:var(--navy);transition:all .25s;content:""}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-7px;left:0}
.nav-toggle span::after{top:7px;left:0}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- 首页轮播 ---------- */
.hero{position:relative;height:640px;overflow:hidden;background:#000;color:#fff}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center right;opacity:0;transition:opacity 1s ease}
.hero .slide.active{opacity:1;z-index:1}
.hero .slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,8,30,.92) 0%,rgba(2,8,30,.6) 45%,rgba(2,8,30,0) 75%)}
.hero .slide .container{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}
.hero .tag{display:inline-block;align-self:flex-start;padding:5px 16px;border:1px solid rgba(34,195,238,.6);border-radius:20px;color:var(--cyan);font-size:13px;letter-spacing:2px;margin-bottom:22px}
.hero h1{font-size:50px;line-height:1.25;font-weight:800;max-width:640px;letter-spacing:1px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#5fd8ff,#8fb8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:560px;margin:22px 0 36px;font-size:17px;color:rgba(255,255,255,.8)}
.hero .btns{display:flex;gap:16px;flex-wrap:wrap}
.hero .slide.active .anim{animation:fadeUp .9s both}
.hero .slide.active .anim:nth-child(2){animation-delay:.15s}
.hero .slide.active .anim:nth-child(3){animation-delay:.3s}
.hero .slide.active .anim:nth-child(4){animation-delay:.45s}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.hero-dots{position:absolute;z-index:5;left:0;right:0;bottom:90px}
.hero-dots .container{display:flex;gap:10px}
.hero-dots button{width:34px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer;transition:all .3s}
.hero-dots button.active{width:56px;background:var(--cyan)}

/* ---------- 数据条 ---------- */
.stats{position:relative;z-index:6;margin-top:-60px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.stat{padding:34px 20px;text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:30%;bottom:30%;width:1px;background:var(--line)}
.stat .num{font-size:42px;font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:"DIN Alternate","Arial",sans-serif}
.stat .num small{font-size:20px}
.stat .lbl{color:var(--text-2);font-size:14px;margin-top:6px}

/* ---------- 功能卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 24px 30px;text-align:center;transition:all .3s;position:relative;overflow:hidden}
.feature::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad);transform:scaleX(0);transition:transform .3s}
.feature:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature:hover::after{transform:scaleX(1)}
.feature .ico{width:84px;height:84px;margin:0 auto 20px}
.feature .ico img,.feature .ico svg{width:100%;height:100%}
.feature h3{font-size:18px;color:var(--navy);margin-bottom:10px}
.feature p{font-size:14px;color:var(--text-2)}
.feature .gain{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--primary)}

/* ---------- 产品展示 ---------- */
.showcase{position:relative;overflow:hidden;background:radial-gradient(ellipse at 80% 20%,#16307d 0%,var(--navy) 60%)}
.showcase::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px}
.showcase .container{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}
.showcase .screen{border-radius:12px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(95,216,255,.25)}
.check-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.check-list li:last-child{border-bottom:0}
.check-list .n{flex:0 0 40px;height:40px;border-radius:50%;background:rgba(34,195,238,.15);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-weight:700}
.check-list h4{font-size:17px;margin-bottom:4px}
.check-list p{font-size:14px;color:rgba(255,255,255,.68)}

/* ---------- 服务卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--navy)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .thumb img{transform:scale(1.07)}
.card .badge{position:absolute;left:16px;top:16px;background:rgba(10,26,74,.8);color:#fff;font-size:12px;padding:3px 12px;border-radius:14px;backdrop-filter:blur(4px)}
.card .body{padding:26px 26px 28px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px}
.card:hover h3{color:var(--primary)}
.card p{font-size:14px;color:var(--text-2);flex:1}
.card .more{margin-top:18px;font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card .more::after{content:"→";transition:transform .25s}
.card:hover .more::after{transform:translateX(5px)}
.card .kpis{display:flex;gap:20px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.card .kpis b{display:block;font-size:22px;color:var(--primary);line-height:1.2}
.card .kpis span{font-size:12px;color:var(--muted)}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step;position:relative}
.process::before{content:"";position:absolute;top:38px;left:10%;right:10%;height:2px;background:repeating-linear-gradient(90deg,var(--primary) 0 8px,transparent 8px 16px);opacity:.4}
.step{text-align:center;padding:0 14px;position:relative}
.step .circle{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:#fff;border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:var(--primary);box-shadow:0 0 0 8px var(--bg-soft);position:relative;z-index:1;transition:all .3s}
.step:hover .circle{background:var(--grad);color:#fff;border-color:transparent}
.step h4{font-size:17px;color:var(--navy);margin-bottom:6px}
.step p{font-size:13px;color:var(--text-2)}

/* ---------- 评价 ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.testi{background:#fff;border-radius:var(--radius);padding:38px 38px 32px;box-shadow:var(--shadow);position:relative}
.testi::before{content:"“";position:absolute;right:30px;top:6px;font-size:110px;line-height:1;color:var(--primary);opacity:.12;font-family:Georgia,serif}
.testi p{font-size:16px;color:var(--text);margin-bottom:22px}
.testi .who{display:flex;align-items:center;gap:14px}
.testi .av{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.testi .who b{display:block;color:var(--navy)}
.testi .who span{font-size:13px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{position:relative;padding:100px 0;color:#fff;text-align:center;background:#050b1f center/cover no-repeat}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,15,50,.92),rgba(11,63,168,.75))}
.cta .container{position:relative}
.cta h2{font-size:34px;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.8);max-width:680px;margin:0 auto 34px;font-size:16px}
.cta .btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ---------- 内页横幅 ---------- */
.page-banner{position:relative;height:340px;background:var(--navy-2) center/cover no-repeat;color:#fff;display:flex;align-items:center}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,26,74,.2),rgba(10,26,74,.75) 60%)}
.page-banner .container{position:relative;width:100%;text-align:right}
.page-banner .en{font-size:14px;letter-spacing:5px;text-transform:uppercase;color:var(--cyan);opacity:.9}
.page-banner h1{font-size:42px;font-weight:700;margin:8px 0 10px;letter-spacing:2px}
.page-banner p{color:rgba(255,255,255,.78);max-width:560px;margin-left:auto}
.crumbs{background:#fff;border-bottom:1px solid var(--line)}
.crumbs .container{display:flex;justify-content:space-between;align-items:center;height:56px;font-size:14px;color:var(--muted);gap:20px}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{margin:0 8px;opacity:.6}
.crumbs .cur{color:var(--primary)}
.subnav{display:flex;gap:4px;height:100%}
.subnav a{display:flex;align-items:center;padding:0 18px;height:100%;color:var(--text-2);border-bottom:2px solid transparent}
.subnav a.active,.subnav a:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* ---------- 过滤标签 ---------- */
.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:44px}
.filters button{padding:9px 26px;border-radius:30px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;color:var(--text-2);transition:all .25s}
.filters button:hover{border-color:var(--primary);color:var(--primary)}
.filters button.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(21,96,212,.3)}
.card.hide{display:none}

/* ---------- 关于我们 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .media{position:relative}
.split .media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.split .media::before{content:"";position:absolute;left:-20px;top:-20px;width:45%;height:60%;border:3px solid var(--primary);border-radius:var(--radius);opacity:.35;z-index:-1}
.split .media .float{position:absolute;right:-20px;bottom:-26px;background:var(--grad);color:#fff;border-radius:var(--radius);padding:20px 26px;box-shadow:var(--shadow-lg)}
.split .media .float b{font-size:34px;display:block;line-height:1.1}
.split .media .float span{font-size:13px;opacity:.85}
.prose p{color:var(--text-2);margin-bottom:16px}
.prose p strong{color:var(--navy)}
.mv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.mv{background:#fff;border-radius:var(--radius);padding:40px 32px;box-shadow:var(--shadow);border-top:4px solid var(--primary);transition:transform .3s}
.mv:hover{transform:translateY(-6px)}
.mv .t{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.mv .t i{width:48px;height:48px;border-radius:12px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);font-style:normal}
.mv .t i svg{width:26px;height:26px}
.mv h3{font-size:20px;color:var(--navy)}
.mv p{color:var(--text-2);font-size:14px}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cap{padding:32px 26px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:all .3s}
.cap:hover{background:rgba(34,195,238,.1);border-color:rgba(34,195,238,.4)}
.cap img{width:64px;height:64px;margin-bottom:16px;filter:brightness(0) invert(1) opacity(.9)}
.cap h4{font-size:18px;margin-bottom:8px}
.cap p{font-size:14px;color:rgba(255,255,255,.68)}
.leader{display:grid;grid-template-columns:280px 1fr;gap:50px;align-items:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:50px}
.leader .ph{aspect-ratio:1;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:72px;font-weight:700;box-shadow:0 0 0 10px var(--bg-soft)}
.leader blockquote{font-size:18px;color:var(--text);line-height:1.9;position:relative;padding-left:26px;border-left:4px solid var(--primary)}
.leader .sig{margin-top:20px;color:var(--text-2)}
.leader .sig b{color:var(--navy);font-size:18px;margin-right:10px}

/* ---------- 详情页布局 ---------- */
.detail{display:grid;grid-template-columns:1fr 320px;gap:50px;align-items:start}
.detail-main .cover{border-radius:var(--radius);overflow:hidden;margin-bottom:36px;aspect-ratio:16/8;background:var(--navy)}
.detail-main .cover img{width:100%;height:100%;object-fit:cover}
.detail-main h2{font-size:24px;color:var(--navy);margin:44px 0 18px;padding-left:16px;border-left:4px solid var(--primary);line-height:1.3}
.detail-main h2:first-of-type{margin-top:0}
.detail-main .lead{font-size:17px;color:var(--text);margin-bottom:10px}
.detail-main p{color:var(--text-2);margin-bottom:14px}
.feat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat-list li{background:var(--bg-soft);border-radius:var(--radius);padding:22px 22px 20px;border:1px solid var(--line)}
.feat-list b{display:flex;align-items:center;gap:10px;color:var(--navy);font-size:16px;margin-bottom:6px}
.feat-list b::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 8px}
.feat-list span{font-size:14px;color:var(--text-2)}
.value-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value-row div{background:var(--grad);color:#fff;border-radius:var(--radius);padding:24px 20px;text-align:center}
.value-row b{display:block;font-size:26px;line-height:1.25}
.value-row span{font-size:13px;opacity:.88}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags span{padding:6px 16px;border-radius:20px;background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:var(--text-2)}
.mini-steps{counter-reset:ms;display:grid;gap:14px}
.mini-steps li{counter-increment:ms;display:flex;gap:16px;align-items:flex-start}
.mini-steps li::before{content:counter(ms,decimal-leading-zero);flex:0 0 44px;height:44px;border-radius:10px;background:var(--bg-soft);color:var(--primary);font-weight:800;display:flex;align-items:center;justify-content:center}
.mini-steps b{display:block;color:var(--navy)}
.mini-steps span{font-size:14px;color:var(--text-2)}

.sidebar{position:sticky;top:calc(var(--header-h) + 20px);display:grid;gap:24px}
.widget{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.widget h3{background:var(--grad);color:#fff;font-size:17px;padding:16px 24px}
.widget ul a{display:flex;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.widget ul a::after{content:"›";font-size:18px;line-height:1}
.widget ul a:hover,.widget ul a.active{color:var(--primary);background:var(--bg-soft)}
.widget-contact{background:var(--navy) url() center/cover;color:#fff;padding:30px 26px;position:relative}
.widget-contact h4{font-size:18px;margin-bottom:6px}
.widget-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px}
.widget-contact .tel{font-size:24px;font-weight:800;color:var(--cyan);margin-bottom:18px;font-family:"DIN Alternate",Arial,sans-serif}

.overview{display:grid;grid-template-columns:repeat(4,1fr);background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:40px}
.overview div{padding:20px 22px}
.overview div+div{border-left:1px solid var(--line)}
.overview span{display:block;font-size:13px;color:var(--muted)}
.overview b{color:var(--navy);font-size:15px}
.quote-box{background:var(--bg-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;padding:26px 30px;font-size:16px;color:var(--text);margin-top:10px}
.quote-box cite{display:block;margin-top:10px;font-style:normal;font-size:14px;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:26px;border-top:1px solid var(--line);font-size:14px}
.pager a{color:var(--text-2);max-width:48%}
.pager a:hover{color:var(--primary)}
.pager span{display:block;color:var(--muted);font-size:12px}

/* ---------- 联系我们 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:34px 24px;text-align:center;transition:transform .3s}
.info:hover{transform:translateY(-6px)}
.info i{width:60px;height:60px;margin:0 auto 16px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff}
.info i svg{width:26px;height:26px}
.info h4{color:var(--navy);font-size:17px;margin-bottom:6px}
.info p{font-size:14px;color:var(--text-2);word-break:break-word}
.contact-wrap{display:grid;grid-template-columns:1fr 1.25fr;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);background:#fff}
.contact-side{background:#050b1f center/cover no-repeat;color:#fff;padding:50px 44px;position:relative}
.contact-side::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,63,168,.88),rgba(5,11,31,.9))}
.contact-side>*{position:relative}
.contact-side h3{font-size:26px;margin-bottom:12px}
.contact-side p{color:rgba(255,255,255,.75);margin-bottom:28px}
.contact-side ul li{display:flex;gap:14px;margin-bottom:20px;font-size:14px}
.contact-side ul svg{flex:0 0 20px;width:20px;height:20px;color:var(--cyan);margin-top:3px}
.contact-side ul b{display:block;font-size:13px;color:rgba(255,255,255,.6);font-weight:400}
.form{padding:50px 48px}
.form h3{font-size:24px;color:var(--navy);margin-bottom:6px}
.form>p{color:var(--text-2);margin-bottom:28px;font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;color:var(--text);font-weight:500}
.field label em{color:#e0413a;font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--bg-soft);border-radius:8px;padding:12px 14px;font-size:14px;outline:none;transition:all .2s;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(21,96,212,.12)}
.field.err input,.field.err textarea{border-color:#e0413a}
.field .msg{font-size:12px;color:#e0413a;display:none}
.field.err .msg{display:block}
.form .agree{grid-column:1/-1;font-size:13px;color:var(--text-2);display:flex;gap:8px;align-items:center}
.form .submit{grid-column:1/-1;margin-top:6px}
.form-ok{display:none;text-align:center;padding:60px 20px}
.form-ok.show{display:block}
.form-ok i{width:72px;height:72px;margin:0 auto 18px;border-radius:50%;background:#e7f7ee;color:#1aa35a;display:flex;align-items:center;justify-content:center}
.form-ok i svg{width:36px;height:36px}
.form-ok h3{color:var(--navy);font-size:22px;margin-bottom:8px}
.form-ok p{color:var(--text-2)}
.map{position:relative;border-radius:var(--radius);overflow:hidden;height:380px;background:#0d2266;color:#fff;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:36px 36px}
.map svg.roads{position:absolute;inset:0;width:100%;height:100%;opacity:.35}
.map .pin{position:absolute;left:50%;top:44%;transform:translate(-50%,-100%);text-align:center}
.map .pin .dot{width:22px;height:22px;border-radius:50%;background:var(--cyan);margin:0 auto;box-shadow:0 0 0 0 rgba(34,195,238,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,195,238,.6)}70%{box-shadow:0 0 0 26px rgba(34,195,238,0)}100%{box-shadow:0 0 0 0 rgba(34,195,238,0)}}
.map .card-addr{position:absolute;left:50%;top:52%;transform:translateX(-50%);background:#fff;color:var(--text);border-radius:var(--radius);padding:20px 26px;box-shadow:var(--shadow-lg);text-align:center;width:min(420px,90%)}
.map .card-addr b{color:var(--navy);display:block;margin-bottom:4px}
.map .card-addr p{font-size:14px;color:var(--text-2);margin-bottom:12px}
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden}
.faq summary{padding:20px 26px;cursor:pointer;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--primary);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 26px 22px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.footer{background:#060f33;color:rgba(255,255,255,.65);font-size:14px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr 130px;gap:40px;padding:70px 20px 50px}
.footer .flogo img{height:44px;width:auto;margin-bottom:20px}
.footer h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--cyan)}
.footer li{margin-bottom:10px}
.footer a:hover{color:var(--cyan)}
.footer .ci li{display:flex;gap:10px}
.footer .ci svg{flex:0 0 16px;width:16px;height:16px;margin-top:4px;color:var(--cyan)}
.qr{text-align:center;font-size:12px}
.qr .box{width:120px;height:120px;background:#fff;border-radius:8px;padding:8px;margin-bottom:8px}
.qr .box svg{width:100%;height:100%}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;padding-bottom:20px;font-size:13px}

/* ---------- 侧边悬浮工具条 ---------- */
.side-tools{position:fixed;right:18px;bottom:120px;z-index:90;display:flex;flex-direction:column;gap:8px}
.side-tools a,.side-tools button{position:relative;width:52px;height:52px;border-radius:10px;background:var(--grad);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 18px rgba(21,96,212,.35)}
.side-tools svg{width:22px;height:22px}
.side-tools .tip{position:absolute;right:62px;top:50%;transform:translateY(-50%) translateX(10px);background:#fff;color:var(--navy);white-space:nowrap;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow-lg);font-size:14px;font-weight:600;opacity:0;visibility:hidden;transition:all .25s}
.side-tools a:hover .tip,.side-tools button:hover .tip{opacity:1;visibility:visible;transform:translateY(-50%)}
.side-tools .top{opacity:0;visibility:hidden;transition:all .3s}
.side-tools .top.show{opacity:1;visibility:visible}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .feature-grid{grid-template-columns:repeat(3,1fr)}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr 1.3fr}
  .footer-main .qr{display:none}
  .nav>li>a{padding:0 13px}
  .nav>li>a::after{left:13px;right:13px}
}
@media (max-width:980px){
  :root{--header-h:66px}
  .topbar{display:none}
  .logo img{height:38px}
  .header{backdrop-filter:none;background:#fff}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 0;overflow:auto;transform:translateX(100%);transition:transform .3s}
  .nav-open .nav{transform:none}
  .nav>li>a{line-height:54px;padding:0 24px;border-bottom:1px solid var(--line)}
  .nav>li>a::after{display:none}
  .nav .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0;background:var(--bg-soft);display:none}
  .nav>li.open .sub{display:block}
  .nav>li:hover .sub{transform:none}
  .nav .sub a{padding:12px 40px}
  .hero{height:560px}
  .hero h1{font-size:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3)::before{display:none}
  .card-grid,.mv-grid{grid-template-columns:repeat(2,1fr)}
  .showcase .container,.split,.detail,.contact-wrap{grid-template-columns:1fr}
  .sidebar{position:static}
  .cap-grid,.info-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .process::before{display:none}
  .leader{grid-template-columns:1fr;text-align:center;padding:40px 28px}
  .leader .ph{width:180px;margin:0 auto}
  .leader blockquote{text-align:left}
  .footer-main{grid-template-columns:1fr 1fr}
  .subnav{display:none}
  .split .media .float{right:10px}
}
@media (max-width:640px){
  body{font-size:14px}
  .section{padding:64px 0}
  .container{padding:0 16px}
  .sec-head{margin-bottom:38px}
  .sec-head h2{font-size:26px}
  .hero{height:520px}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .hero .slide::before{background:linear-gradient(90deg,rgba(2,8,30,.9),rgba(2,8,30,.55))}
  .stat .num{font-size:32px}
  .stat{padding:24px 10px}
  .feature-grid,.card-grid,.mv-grid,.testi-grid,.cap-grid,.info-grid,.feat-list,.form-grid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr 1fr}
  .value-row{grid-template-columns:1fr}
  .overview{grid-template-columns:1fr 1fr}
  .overview div:nth-child(3){border-left:0}
  .overview div:nth-child(n+3){border-top:1px solid var(--line)}
  .page-banner{height:240px}
  .page-banner h1{font-size:30px}
  .page-banner .container{text-align:center}
  .page-banner p{margin:0 auto}
  .page-banner::before{background:rgba(10,26,74,.6)}
  .cta h2{font-size:26px}
  .form,.contact-side{padding:36px 22px}
  .footer-main{grid-template-columns:1fr;gap:30px;padding-top:50px}
  .footer-bottom .container{justify-content:center;text-align:center}
  .side-tools{right:10px;bottom:80px}
  .side-tools a,.side-tools button{width:44px;height:44px}
  .testi{padding:30px 24px}
  .pager{flex-direction:column}
  .pager a{max-width:none}
}