/* ============================================
   90-智家智能家居 ｜ 全屋智控 APP 风
   配色：#3a7bd5 智控蓝 + #12233f 深蓝 + #f4f8fd 白
   ============================================ */
:root{
  --blue:#3a7bd5;
  --blue-light:#6ea8ee;
  --blue-dark:#2c5fae;
  --white:#f4f8fd;
  --silver:#b8c4d0;
  --navy:#12233f;
  --font: "Microsoft YaHei","PingFang SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:#33455f;
  background:linear-gradient(180deg,#f4f8fd 0%,#e8f0fa 100%);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:min(1180px,92%);margin:0 auto}

/* ===== 顶部导航 ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid rgba(58,123,213,.15);
  backdrop-filter:blur(10px);
  box-shadow:0 2px 20px rgba(18,35,63,.06);
  transition:box-shadow .35s ease;
}
.header.scrolled{box-shadow:0 6px 30px rgba(18,35,63,.12)}
.header-inner{max-width:1320px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo-chip{
  width:38px;height:38px;position:relative;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  box-shadow:0 4px 14px rgba(58,123,213,.4),inset 0 0 0 1px rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
}
.logo-chip::before{content:"";position:absolute;inset:6px;border:1px solid rgba(255,255,255,.4);border-radius:5px}
.logo-chip::after{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:#fff;box-shadow:0 0 8px #fff;animation:pulse 2s infinite}
.logo-chip i{font-style:normal;color:#fff;font-size:13px;font-weight:900}
.logo-text .logo-main{display:block;font-size:19px;font-weight:700;color:var(--navy);letter-spacing:2px}
.logo-text .logo-sub{display:block;font-size:10px;color:var(--blue);letter-spacing:4px;text-transform:uppercase}
.nav{display:flex;gap:6px}
.nav a{
  padding:9px 18px;font-size:15px;color:#5a6b85;letter-spacing:1px;
  border-radius:10px;transition:all .3s ease;position:relative;
}
.nav a::after{content:"";position:absolute;left:20px;right:20px;bottom:4px;height:2px;border-radius:2px;background:var(--blue);transform:scaleX(0);transition:transform .3s}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav a.active::after,.nav a:hover::after{transform:scaleX(1)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:3px;background:var(--navy);border-radius:3px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero 手机控制界面 ===== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 80% 20%,rgba(58,123,213,.12),transparent 55%),
    radial-gradient(ellipse at 10% 90%,rgba(58,123,213,.08),transparent 50%),
    linear-gradient(160deg,#f4f8fd,#e8f0fa);
  padding:120px 20px 80px;
}
.hero .bg-grid{position:absolute;inset:0;pointer-events:none;opacity:.4;background:linear-gradient(rgba(58,123,213,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(58,123,213,.05) 1px,transparent 1px);background-size:44px 44px}
.hero-content{position:relative;z-index:2;flex:1;max-width:560px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 20px;font-size:13px;letter-spacing:2px;
  color:var(--blue);background:#fff;border-radius:20px;
  box-shadow:0 4px 18px rgba(58,123,213,.18);margin-bottom:24px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#35c98a;box-shadow:0 0 10px #35c98a}
.hero h1{font-size:clamp(38px,6vw,64px);font-weight:900;line-height:1.14;letter-spacing:3px;color:var(--navy)}
.hero h1 span{color:var(--blue);position:relative}
.hero h1 span::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(58,123,213,.15);z-index:-1}
.hero p{max-width:520px;margin:22px 0 36px;font-size:17px;color:#5a6b85;letter-spacing:1px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:14px 36px;font-size:15px;letter-spacing:2px;
  border-radius:12px;transition:all .3s ease;
}
.btn-blue{
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;
  box-shadow:0 8px 24px rgba(58,123,213,.4);
}
.btn-blue:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(58,123,213,.5)}
.btn-outline{border:2px solid var(--blue);color:var(--blue);background:#fff}
.btn-outline:hover{background:rgba(58,123,213,.08)}
.hero-stats{display:flex;gap:26px;margin-top:38px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:28px;font-weight:900;color:var(--blue);font-family:Georgia,serif}
.hero-stat .label{font-size:12px;color:#7a8ba3;letter-spacing:2px;margin-top:4px}
/* 手机示意 */
.phone-wrap{position:relative;z-index:2;flex:0 0 320px;display:flex;justify-content:center;align-items:center}
.phone{
  width:300px;border-radius:38px;padding:14px;
  background:linear-gradient(180deg,#1b2a4a,#12233f);
  box-shadow:0 30px 60px rgba(18,35,63,.35),0 0 0 6px #0d1a30,0 0 60px rgba(58,123,213,.25);
  position:relative;
}
.phone .notch{position:absolute;top:20px;left:50%;transform:translateX(-50%);width:90px;height:22px;background:#0d1a30;border-radius:14px;z-index:5}
.phone .screen{border-radius:26px;overflow:hidden;background:linear-gradient(180deg,#12233f,#1a2f57);padding:40px 16px 18px}
.phone .status-bar{display:flex;justify-content:space-between;font-size:10px;color:var(--silver);letter-spacing:1px;margin-bottom:14px}
.phone .app-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.phone .app-title .led{width:8px;height:8px;border-radius:50%;background:#35c98a;box-shadow:0 0 10px #35c98a}
.phone .room-card{
  background:rgba(255,255,255,.08);border-radius:14px;padding:12px;margin-bottom:10px;
  border:1px solid rgba(255,255,255,.1);
}
.room-card .rc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.room-card .rc-name{color:#fff;font-size:13px}
.room-card .rc-temp{color:var(--silver);font-size:11px}
.toggle{width:38px;height:20px;border-radius:12px;background:rgba(255,255,255,.2);position:relative;cursor:pointer;flex:none;transition:background .3s}
.toggle::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .3s}
.toggle.on{background:linear-gradient(135deg,var(--blue),var(--blue-light))}
.toggle.on::after{left:20px}
.phone .bar{height:6px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:6px}
.phone .bar span{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--blue-light));width:70%}
.phone .bar.light span{width:85%}
.phone .bar.temp span{width:40%}
.phone .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.phone .mini-card{background:rgba(255,255,255,.06);border-radius:12px;padding:12px;text-align:center;border:1px solid rgba(255,255,255,.08)}
.phone .mini-card .mc-ico{font-size:18px;color:var(--blue-light);margin-bottom:6px}
.phone .mini-card .mc-name{font-size:10px;color:var(--silver);letter-spacing:1px}
.phone .float-anim{position:relative;animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.phone-glow{position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(58,123,213,.25),transparent 65%);top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;filter:blur(10px)}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);text-align:center;font-size:12px;letter-spacing:3px;color:#7a8ba3}
.hero-scroll .arrow{display:block;font-size:22px;color:var(--blue);animation:bounce 1.6s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ===== Section ===== */
.section{padding:90px 0}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800;text-align:center;letter-spacing:4px;color:var(--navy)}
.section-title em{font-style:normal;color:var(--blue)}
.section-subtitle{text-align:center;color:#7a8ba3;letter-spacing:3px;font-size:14px;margin-top:12px}

/* ===== 面板卡片通用 ===== */
.panel{
  background:#fff;border-radius:18px;
  box-shadow:0 10px 40px rgba(18,35,63,.08);
  border:1px solid rgba(58,123,213,.1);
  transition:transform .35s ease,box-shadow .35s;
}
.panel:hover{transform:translateY(-6px);box-shadow:0 18px 50px rgba(58,123,213,.16)}

/* ===== 智能生态 ===== */
.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.eco-card{
  padding:34px 24px;text-align:center;position:relative;overflow:hidden;
}
.eco-card .status-led{position:absolute;top:16px;right:16px;width:9px;height:9px;border-radius:50%;background:#35c98a;box-shadow:0 0 12px #35c98a}
.eco-card .eco-ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  background:linear-gradient(135deg,#e3eefb,#cfe3f8);
  display:flex;align-items:center;justify-content:center;font-size:26px;
}
.eco-card h3{font-size:18px;color:var(--navy);letter-spacing:2px;margin-bottom:10px}
.eco-card p{font-size:13px;color:#7a8ba3;line-height:1.8}
.eco-card .bar{height:6px;border-radius:4px;background:#e8f0fa;overflow:hidden;margin-top:14px}
.eco-card .bar span{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--blue-light))}

/* ===== 产品 - APP卡片 ===== */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.product-card{padding:26px 22px 22px;position:relative;overflow:hidden}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--blue-light));opacity:0;transition:opacity .35s}
.product-card:hover::before{opacity:1}
.product-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.product-ico{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  display:flex;align-items:center;justify-content:center;font-size:24px;
  box-shadow:0 6px 18px rgba(58,123,213,.35);
}
.toggle-ctrl{width:46px;height:24px;border-radius:14px;background:#d5dee9;position:relative;cursor:pointer;flex:none;transition:background .3s}
.toggle-ctrl::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:left .3s}
.toggle-ctrl.on{background:linear-gradient(135deg,var(--blue),var(--blue-light))}
.toggle-ctrl.on::after{left:25px}
.product-card h3{font-size:17px;color:var(--navy);letter-spacing:2px;margin-bottom:8px}
.product-card .p-en{font-size:11px;color:var(--blue);letter-spacing:3px;text-transform:uppercase;display:block;margin-bottom:10px}
.product-card p{font-size:13px;color:#7a8ba3;line-height:1.8}
.product-tags{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.product-tags span{font-size:11px;padding:3px 12px;color:var(--blue);background:#e3eefb;border-radius:14px}
.auto-label{display:flex;align-items:center;gap:6px;font-size:11px;color:#35c98a;margin-top:12px}
.auto-label::before{content:"";width:7px;height:7px;border-radius:50%;background:#35c98a;box-shadow:0 0 8px #35c98a}

/* ===== 数据仪表盘 ===== */
.dashboard{padding:70px 0;background:linear-gradient(180deg,#e8f0fa,#ddebfa)}
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.dash-item{padding:34px 24px;text-align:center;position:relative}
.dash-item .gauge{
  width:110px;height:110px;margin:0 auto 16px;position:relative;
}
.gauge .ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--blue) calc(var(--p)*1%),#e3eefb 0);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 12px),#000 calc(100% - 11px));mask:radial-gradient(farthest-side,transparent calc(100% - 12px),#000 calc(100% - 11px))}
.gauge .ring::after{content:"";position:absolute;inset:0;border-radius:50%;background:transparent}
.gauge .g-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .g-val .big{font-size:24px;font-weight:900;color:var(--navy)}
.gauge .g-val .unit{font-size:11px;color:#7a8ba3}
.dash-item h4{font-size:15px;color:var(--navy);letter-spacing:2px;margin-bottom:8px}
.dash-item p{font-size:12px;color:#7a8ba3}

/* ===== 场景 ===== */
.scene{background:#fff}
.scenes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.scene-card{padding:30px 22px;text-align:center;position:relative;overflow:hidden}
.scene-card .scene-ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,#e3eefb,#cfe3f8);display:flex;align-items:center;justify-content:center;font-size:24px;position:relative}
.scene-card .scene-ico .mini-led{position:absolute;top:2px;right:2px;width:8px;height:8px;border-radius:50%;background:#35c98a;box-shadow:0 0 8px #35c98a}
.scene-card h3{font-size:17px;color:var(--navy);letter-spacing:2px;margin-bottom:10px}
.scene-card p{font-size:13px;color:#7a8ba3;line-height:1.8;margin-bottom:14px}
.scene-card .chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.scene-card .chips span{font-size:11px;color:var(--blue);background:#e3eefb;border-radius:12px;padding:3px 10px}

/* ===== 动态 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.news-card{padding:0;overflow:hidden}
.news-img{height:200px;background-size:cover;background-position:center}
.news-body{padding:22px 20px}
.news-date{font-size:12px;color:var(--blue);letter-spacing:2px;margin-bottom:8px}
.news-body h3{font-size:16px;color:var(--navy);letter-spacing:1px;line-height:1.6;margin-bottom:10px}
.news-body p{font-size:13px;color:#7a8ba3;line-height:1.8}
.news-more{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--blue);margin-top:12px}

/* ===== 联系横幅 ===== */
.cta{
  text-align:center;padding:90px 20px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--navy),#1c3a6b);
}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% -30%,rgba(58,123,213,.35),transparent 60%)}
.cta h2{font-size:clamp(26px,4vw,38px);color:#fff;letter-spacing:4px;margin-bottom:16px;position:relative}
.cta p{color:var(--silver);letter-spacing:2px;margin-bottom:34px;position:relative}

/* ===== 页脚 ===== */
.footer{background:var(--navy);color:var(--silver);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:46px}
.footer h4{color:#fff;font-size:16px;letter-spacing:3px;margin-bottom:18px}
.footer-about .logo-text .logo-main{color:#fff}
.footer-about p{font-size:13px;color:var(--silver);margin-top:16px;line-height:1.9}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:var(--silver);transition:color .3s,padding-left .3s}
.footer-links a:hover{color:var(--blue-light);padding-left:6px}
.footer-contact li{font-size:13px;color:var(--silver);margin-bottom:10px;letter-spacing:1px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center}
.footer-bottom p{font-size:12px;color:#8ba0bd}

/* ===== 页面头 ===== */
.page-hero{
  padding:150px 20px 90px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#f4f8fd,#e0ecfa);
}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% -40%,rgba(58,123,213,.14),transparent 55%)}
.page-hero h1{font-size:clamp(30px,5vw,48px);letter-spacing:8px;color:var(--navy);font-weight:900;position:relative}
.page-hero p{color:#5a6b85;letter-spacing:3px;margin-top:14px;font-size:14px;position:relative}
.breadcrumb{margin-top:16px;font-size:12px;color:#7a8ba3;letter-spacing:2px;position:relative}
.breadcrumb a{color:var(--blue)}

/* ===== 关于页 ===== */
.about-intro .split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-intro .img-wrap{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 16px 50px rgba(58,123,213,.2)}
.about-intro .img-frame{height:420px;background:url('../images/hero.jpg') center/cover no-repeat}
.about-intro .img-wrap::after{content:"";position:absolute;inset:14px;border:2px solid rgba(255,255,255,.5);border-radius:12px;pointer-events:none}
.about-intro .img-wrap .chip-tag{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  background:rgba(18,35,63,.9);color:#fff;padding:8px 18px;border-radius:12px;
  font-size:13px;letter-spacing:2px;border:1px solid rgba(58,123,213,.5);
}
.about-intro h2{font-size:30px;letter-spacing:4px;color:var(--navy);margin-bottom:22px}
.about-intro h2 em{font-style:normal;color:var(--blue)}
.about-intro p{color:#5a6b85;font-size:14px;margin-bottom:16px;line-height:2}
.about-intro .chip-line{margin:26px 0;display:flex;align-items:center;gap:12px;color:var(--blue);font-size:14px;letter-spacing:2px}
.about-intro .chip-line .mini{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));box-shadow:0 3px 10px rgba(58,123,213,.4)}

/* ===== 产品页 ===== */
.filter-bar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:40px}
.filter-btn{
  padding:9px 26px;font-size:13px;letter-spacing:2px;color:var(--blue);
  border:2px solid var(--blue);border-radius:24px;background:#fff;cursor:pointer;
  transition:all .3s;font-family:var(--font);
}
.filter-btn:hover,.filter-btn.active{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(58,123,213,.4)}
.product-page-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}

/* ===== 新闻页 ===== */
.news-feature{display:grid;grid-template-columns:1.2fr 1fr;gap:0;margin-top:44px;overflow:hidden;align-items:stretch}
.news-feature .img{min-height:340px;background:url('../images/news1.jpg') center/cover no-repeat}
.news-feature .feat-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.news-feature .feat-body .date{color:var(--blue);font-size:13px;letter-spacing:2px;margin-bottom:10px}
.news-feature .feat-body h2{font-size:26px;letter-spacing:2px;color:var(--navy);margin-bottom:16px;line-height:1.5}
.news-feature .feat-body p{color:#5a6b85;font-size:14px;line-height:2;margin-bottom:20px}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.news-row{display:flex;gap:18px;padding:20px;transition:box-shadow .3s}
.news-row:hover{box-shadow:0 14px 40px rgba(58,123,213,.16)}
.news-row .n-img{width:160px;height:110px;flex:none;background-size:cover;background-position:center;border-radius:10px}
.news-row h3{font-size:16px;color:var(--navy);letter-spacing:1px;margin-bottom:8px;line-height:1.6}
.news-row p{font-size:12px;color:#7a8ba3;line-height:1.8}
.news-row .date{color:var(--blue);font-size:12px;margin-bottom:6px;letter-spacing:1px}

/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:46px;margin-top:50px}
.info-list .info-item{display:flex;gap:18px;padding:22px;margin-bottom:16px;transition:box-shadow .3s}
.info-item:hover{box-shadow:0 14px 40px rgba(58,123,213,.16)}
.info-item .ico{
  width:54px;height:54px;flex:none;border-radius:14px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  display:flex;align-items:center;justify-content:center;font-size:20px;
  color:#fff;box-shadow:0 6px 18px rgba(58,123,213,.35);
}
.info-item h4{color:var(--navy);font-size:15px;letter-spacing:2px;margin-bottom:6px}
.info-item p{color:#7a8ba3;font-size:13px;line-height:1.7}
.form-main{padding:38px 34px}
.form-main h3{color:var(--navy);font-size:20px;letter-spacing:3px;margin-bottom:26px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;color:#7a8ba3;letter-spacing:2px;margin-bottom:8px}
.form-group label em{color:var(--blue);font-style:normal}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:13px 16px;background:#f4f8fd;border:2px solid #d5e2f2;border-radius:10px;
  color:var(--navy);font-family:var(--font);font-size:14px;transition:border-color .3s,box-shadow .3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(58,123,213,.15)}
.form-group input.invalid,.form-group textarea.invalid,.form-group select.invalid{border-color:#e53935;background:#fff5f5}
.form-group .error-msg{color:#e53935;font-size:.8rem;margin-top:6px;display:none}
.form-group.invalid .error-msg{display:block}
.form-group textarea{height:130px;resize:vertical}
.btn-submit{
  width:100%;padding:16px;font-size:15px;letter-spacing:4px;border:none;color:#fff;cursor:pointer;
  font-family:var(--font);border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  box-shadow:0 8px 24px rgba(58,123,213,.4);transition:box-shadow .3s,transform .3s;
}
.btn-submit:hover{box-shadow:0 14px 34px rgba(58,123,213,.55);transform:translateY(-2px)}
.map-box{
  margin-top:50px;height:340px;border-radius:18px;overflow:hidden;position:relative;
  box-shadow:0 10px 40px rgba(18,35,63,.1);
  background:linear-gradient(135deg,#e3eefb,#cfe3f8);
}
.map-box .map-lines{position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 39px,rgba(58,123,213,.1) 39px 40px),repeating-linear-gradient(90deg,transparent 0 39px,rgba(58,123,213,.1) 39px 40px)}
.map-box .pin{position:absolute;left:50%;top:50%;width:24px;height:24px;background:var(--blue);border-radius:50% 50% 50% 0;transform:translate(-50%,-100%) rotate(-45deg);box-shadow:0 0 24px rgba(58,123,213,.6)}
.map-box .pin::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--blue-light)}
.map-box .map-label{position:absolute;left:50%;top:calc(50% + 18px);transform:translateX(-50%);background:#fff;border:1px solid rgba(58,123,213,.3);color:var(--navy);padding:8px 18px;border-radius:12px;font-size:13px;letter-spacing:2px;box-shadow:0 4px 16px rgba(58,123,213,.2)}

/* ===== 动画 ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.24s}
.delay-3{transition-delay:.36s}

/* ===== CMS 适配 ===== */
.fade-in{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.cat-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:40px;position:relative;z-index:1}
.cat-tab{padding:9px 26px;font-size:13px;letter-spacing:2px;color:var(--blue);border:2px solid var(--blue);border-radius:24px;background:#fff;cursor:pointer;font-family:var(--font);transition:all .3s}
.cat-tab:hover,.cat-tab.active{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(58,123,213,.4)}

.product-img{height:180px;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover}
.product-card .product-ico img{width:100%;height:100%;border-radius:14px;object-fit:cover}
.product-card h3 a,.news-card h3 a,.news-row h3 a,.news-feature h2 a{color:inherit;text-decoration:none}
.product-card h3 a:hover,.news-card h3 a:hover,.news-row h3 a:hover,.news-feature h2 a:hover{color:var(--blue)}
.product-price{font-size:1rem;font-weight:800;color:var(--blue);margin-top:10px}

.news-row .n-img{display:block}

.back-top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border:none;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:.35s;z-index:999;box-shadow:0 8px 20px rgba(58,123,213,.4)}
.back-top.show{opacity:1;visibility:visible;transform:none}

.cms-section{padding:80px 24px}
.cms-detail{max-width:900px;margin:0 auto}
.cms-detail>img{border-radius:18px;margin:0 auto 12px;max-width:100%}
.cms-detail h1{font-size:2rem;margin:18px 0;color:var(--navy)}
.cms-detail .lead{color:#5a6b85;margin-bottom:20px;font-size:1.05rem}
.cms-detail .news-date-label{display:inline-block;background:var(--navy);color:var(--blue-light);font-size:.82rem;font-weight:800;padding:4px 14px;border-radius:20px}
.cms-content h2{font-size:1.5rem;margin:24px 0 12px;color:var(--navy)}
.cms-content h3{font-size:1.25rem;margin:20px 0 10px;color:var(--navy)}
.cms-content p,.cms-content ul,.cms-content li{color:#5a6b85;margin-bottom:15px;line-height:1.9}
.cms-content ul{padding-left:18px;list-style:disc}
.cms-content img{border-radius:18px}
.cms-back{display:inline-block;color:var(--blue);font-size:.9rem;font-weight:700;margin-bottom:20px}
.cms-back:hover{text-decoration:underline}
.spec-list{list-style:none;padding:0;margin:0}
.spec-list li{color:#5a6b85;padding:10px 0;border-bottom:2px dashed #cfe3f8;font-size:.9rem}
.spec-list li b{color:var(--blue)}
.cms-pager{padding:30px 0;text-align:center}
.cms-pager .pagination{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.cms-pager .page-link{padding:10px 16px;border:1px solid rgba(58,123,213,.4);border-radius:8px;background:#fff;color:var(--blue);font-size:14px;transition:.3s;display:inline-block}
.cms-pager .page-link:hover{border-color:var(--blue);color:var(--blue)}
.cms-pager .page-item.active .page-link{background:var(--blue);border-color:var(--blue);color:#fff}
.cms-pager .page-item.disabled .page-link{opacity:.5;pointer-events:none}
.form-success{display:none;background:#e8f7ee;border:1px solid #a5e0bd;color:#1e7a44;padding:14px 18px;border-radius:12px;margin-bottom:18px;font-size:.9rem}
.form-success.show{display:block}
.form-alert-err{background:#fdecea;border:1px solid #f3c6c0;color:#b23b35;padding:14px 18px;border-radius:12px;margin-bottom:18px}
.form-alert-err li{color:#b23b35}

/* ===== 荣誉资质 ===== */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px}
.honor-card{padding:30px 24px;text-align:center;position:relative;overflow:hidden}
.honor-card .honor-img{height:120px;margin-bottom:16px;overflow:hidden;border-radius:12px}
.honor-card .honor-img img{width:100%;height:100%;object-fit:cover}
.honor-card .honor-date{display:inline-block;font-size:11px;color:var(--blue);background:#e3eefb;border-radius:14px;padding:3px 14px;margin-bottom:12px;letter-spacing:2px}
.honor-card h3{font-size:17px;color:var(--navy);letter-spacing:2px;margin-bottom:10px}
.honor-card p{font-size:13px;color:#7a8ba3;line-height:1.8}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .products-grid,.product-page-grid,.eco-grid{grid-template-columns:repeat(2,1fr)}
  .dash-grid,.scenes-grid{grid-template-columns:repeat(2,1fr)}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-intro .split{grid-template-columns:1fr;gap:30px}
  .contact-grid{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .hero{flex-direction:column;text-align:center;gap:50px}
  .hero .hero-content{max-width:100%}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-btns,.hero-stats{justify-content:center}
}
@media(max-width:768px){
  .nav{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;
    background:rgba(255,255,255,.98);padding:18px 24px;gap:6px;
    transform:translateY(-120%);transition:transform .4s ease;border-bottom:1px solid rgba(58,123,213,.2);
  }
  .nav.active{transform:translateY(0)}
  .nav a{padding:12px 16px}
  .hamburger{display:flex}
  .products-grid,.product-page-grid,.eco-grid,.dash-grid,.scenes-grid,.news-grid,.news-list{grid-template-columns:1fr}
  .honor-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding-top:110px}
  .phone-wrap{flex-basis:auto}
  .news-row{flex-direction:column}
  .news-row .n-img{width:100%;height:160px}
}

/* ===== CMS global link-color reset (fixes default blue/underline) ===== */
a:has(h1), a:has(h2), a:has(h3), a:has(h4), a:has(img),
a.logo, a.logo *, .logo, .logo *,
a.news-thumb, a.news-thumb *, a.prod-thumb, a.prod-thumb *,
a.img-wrap, a.img-wrap *, a.thumb, a.thumb *, a.cover, a.cover *,
a[style*='background-image'], a[style*='background'],
a.card, a.card *, a.work-card, a.work-card *, a.product-card, a.product-card *,
a.news-card, a.news-card *, a.news-item, a.news-item *, a.case-card, a.case-card *,
a.service-card, a.service-card *, a.svc-card, a.svc-card *, a.item-card, a.item-card * {
  color: inherit !important;
  text-decoration: none !important;
}
a:has(h1):hover, a:has(h2):hover, a:has(h3):hover, a:has(h4):hover,
a.logo:hover, .logo:hover, a.card:hover, a.card *:hover,
a.news-thumb:hover, a.prod-thumb:hover, a.work-card:hover, a.product-card:hover,
a.news-card:hover, a.news-item:hover, a.case-card:hover, a.service-card:hover { color: inherit !important; }
a.prod-img-link, a.prod-img-link *,
a.img-link, a.img-link *, a.thumb-link, a.thumb-link *,
a.cover-link, a.cover-link *, a.media-link, a.media-link *,
a[class*='-thumb'], a[class*='-img'], a[class*='-cover'],
a[class*='thumb-'], a[class*='img-'],
a.img-side, a.img-side *, a.pic, a.pic *, a.pic-link, a.pic-link * {
  color: inherit !important;
  text-decoration: none !important;
}
/* ===== CMS heading-link reset (anchor inside heading) ===== */
h1 a, h2 a, h3 a, h4 a, h5 a {
  color: inherit !important;
  text-decoration: none !important;
}
h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover { color: inherit !important; }