/* ==========================================================================
   深圳市智晟微科技有限公司 · 官网样式
   Palette: 深藏青 #0B1D34 / 品牌蓝 #1259C3 / 浅蓝底 #F4F7FC
   ========================================================================== */
:root{
  --ink:#0B1D34;
  --ink-2:#22374F;
  --body:#4A5B72;
  --muted:#8595A9;
  --line:#E4EAF2;
  --brand:#1259C3;
  --brand-deep:#0C3C8C;
  --brand-ink:#0A2A5E;
  --brand-tint:#EAF1FB;
  --bg-soft:#F4F7FC;
  --white:#FFFFFF;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 4px 16px rgba(11,29,52,.06);
  --shadow-md:0 10px 30px rgba(11,29,52,.10);
  --shadow-lg:0 18px 50px rgba(11,29,52,.16);
  --container:1280px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","HarmonyOS Sans SC","Segoe UI",Arial,sans-serif;
  color:var(--body);font-size:16px;line-height:1.75;background:var(--white);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block;border:0}
ul,li{list-style:none}
em,i{font-style:normal}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;outline:none}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.35}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.clear{clear:both}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;letter-spacing:.14em;color:var(--brand);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:34px;margin:12px 0 10px;letter-spacing:.01em}
.sec-sub{color:var(--muted);font-size:15px;max-width:640px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.more-link{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
  padding:11px 26px;border:1.5px solid rgba(18,89,195,.35);border-radius:999px;
  transition:.25s;
}
.more-link:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.more-link svg{width:14px;height:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 34px;border-radius:999px;
  font-size:16px;font-weight:600;transition:.25s;white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(18,89,195,.32)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-ink);border-color:#fff}
.btn-plain{border:1.5px solid var(--line);color:var(--ink-2);background:#fff}
.btn-plain:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- Header ---------- */
.topbar{background:var(--ink);color:#9FB0C6;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#C6D3E3}
.topbar a:hover{color:#fff}
.topbar-right{display:flex;gap:22px;align-items:center}
.topbar-right span{display:inline-flex;align-items:center;gap:6px}
.topbar svg{width:13px;height:13px}

header.site{position:sticky;top:0;z-index:800;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:84px;gap:24px}
.logo{display:flex;align-items:center;gap:13px;flex:none}
.logo .mark{width:52px;height:52px}
.logo-text h1{font-size:21px;letter-spacing:.02em;line-height:1.3}
.logo-text b{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}

.head-right{display:flex;align-items:center;gap:18px}
.search-box{display:flex;align-items:center;width:250px;height:44px;border:1.5px solid var(--line);border-radius:999px;padding:0 5px 0 18px;background:#fff;transition:.25s}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,89,195,.12)}
.search-box input{flex:1;border:0;background:none;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:#A9B6C7}
.search-box button{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.search-box button svg{width:15px;height:15px}
.head-phone{display:flex;align-items:center;gap:10px;flex:none}
.head-phone .ic{width:42px;height:42px;border-radius:12px;background:var(--brand-tint);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.head-phone .ic svg{width:20px;height:20px}
.head-phone small{display:block;font-size:12px;color:var(--muted);line-height:1.3}
.head-phone b{font-size:17px;color:var(--ink);letter-spacing:.02em}

/* ---------- Nav ---------- */
nav.main{background:var(--ink);position:sticky;top:0;z-index:700;box-shadow:0 6px 24px rgba(11,29,52,.18)}
nav.main .container{display:flex;height:60px}
nav.main .container>ul{display:flex;flex:1;justify-content:space-between}
nav.main .container>ul>li{position:relative}
nav.main .container>ul>li>a{
  display:flex;align-items:center;gap:7px;height:60px;padding:0 26px;
  color:#E6ECF5;font-size:16px;font-weight:600;position:relative;
}
nav.main .container>ul>li>a::after{
  content:"";position:absolute;left:26px;right:26px;bottom:0;height:3px;
  background:var(--brand);border-radius:3px 3px 0 0;transform:scaleX(0);transition:.25s;
}
nav.main .container>ul>li:hover>a,nav.main .container>ul>li.active>a{color:#fff}
nav.main .container>ul>li:hover>a::after,nav.main .container>ul>li.active>a::after{transform:scaleX(1)}
nav.main .container>ul>li>a .caret{width:12px;height:12px;opacity:.7;transition:.25s}
nav.main li:hover .caret{transform:rotate(180deg)}
nav.main li .drop{
  position:absolute;left:50%;transform:translateX(-50%) translateY(12px);top:60px;
  min-width:210px;background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);
  padding:10px 0;opacity:0;visibility:hidden;transition:.25s;z-index:900;
}
nav.main li .drop.wide{width:560px;display:flex;flex-wrap:wrap;padding:14px 10px}
nav.main li .drop.wide li{width:33.33%}
nav.main li:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
nav.main li .drop a{
  display:block;padding:10px 22px;font-size:14px;color:var(--ink-2);white-space:nowrap;transition:.2s;
}
nav.main li .drop a:hover{background:var(--brand-tint);color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;color:var(--ink);align-items:center;justify-content:center}
.nav-toggle svg{width:26px;height:26px}

/* ---------- Hero 轮播 ---------- */
.hero{position:relative;height:600px;overflow:hidden;background:var(--ink)}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;pointer-events:none}
.hero .slide.on{opacity:1;pointer-events:auto}
.hero .slide img{width:100%;height:100%;object-fit:cover}
.hero .slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,16,30,.92) 0%,rgba(6,16,30,.72) 42%,rgba(6,16,30,.18) 75%,rgba(6,16,30,.35) 100%);
}
.hero .slide-inner{
  position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:center;
}
.hero .kicker{
  display:inline-flex;align-items:center;gap:10px;color:#8FB6F5;font-size:15px;font-weight:600;letter-spacing:.28em;margin-bottom:22px;
}
.hero .kicker::before{content:"";width:34px;height:2px;background:#8FB6F5}
.hero h2{color:#fff;font-size:52px;line-height:1.28;letter-spacing:.01em;max-width:760px;text-shadow:0 4px 30px rgba(0,0,0,.4)}
.hero h2 span{color:#6FA4F2}
.hero p{color:#C3CFDF;font-size:18px;margin-top:20px;max-width:600px}
.hero .hero-btns{display:flex;gap:16px;margin-top:40px}
.hero .slide.on .hero-anim{animation:rise .9s cubic-bezier(.2,.7,.3,1) both}
.hero .slide.on .hero-anim:nth-child(2){animation-delay:.12s}
.hero .slide.on .hero-anim:nth-child(3){animation-delay:.24s}
.hero .slide.on .hero-anim:nth-child(4){animation-delay:.36s}
@keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.hero-arrows{position:absolute;top:50%;width:100%;z-index:5;pointer-events:none}
.hero-arrows button{
  pointer-events:auto;position:absolute;top:50%;transform:translateY(-50%);
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  color:#fff;display:flex;align-items:center;justify-content:center;transition:.25s;background:rgba(11,29,52,.25);backdrop-filter:blur(4px);
}
.hero-arrows button:hover{background:var(--brand);border-color:var(--brand)}
.hero-arrows .prev{left:36px}
.hero-arrows .next{right:36px}
.hero-arrows svg{width:20px;height:20px}
.hero-dots{position:absolute;left:0;right:0;bottom:30px;display:flex;justify-content:center;gap:10px;z-index:5}
.hero-dots button{width:44px;height:4px;border-radius:4px;background:rgba(255,255,255,.32);transition:.3s}
.hero-dots button.on{background:var(--brand)}

/* ---------- 信任条 ---------- */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;align-items:center;gap:16px;padding:26px 10px;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:0}
.trust-item .ic{width:52px;height:52px;flex:none;border-radius:14px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center}
.trust-item .ic svg{width:26px;height:26px}
.trust-item b{display:block;color:var(--ink);font-size:16px;line-height:1.4}
.trust-item span{font-size:13px;color:var(--muted)}

/* ---------- 公司简介 ---------- */
.about-sec{padding:96px 0;background:var(--bg-soft)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.about-copy p{margin-bottom:18px}
.about-facts{display:flex;gap:0;margin:30px 0 34px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.about-facts div{flex:1;text-align:center;padding:20px 8px;border-left:1px solid var(--line)}
.about-facts div:first-child{border-left:0}
.about-facts b{display:block;font-size:26px;color:var(--brand);line-height:1.2;font-weight:700}
.about-facts span{font-size:13px;color:var(--muted)}
.about-media{position:relative}
.about-media::before{
  content:"";position:absolute;inset:26px -26px -26px 26px;border:2px solid rgba(18,89,195,.18);border-radius:var(--radius-lg);z-index:0;
}
.about-media img{position:relative;z-index:1;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;height:520px;object-fit:cover}
.about-badge{
  position:absolute;z-index:2;left:-30px;bottom:36px;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:18px 24px;display:flex;align-items:center;gap:14px;
}
.about-badge .ic{width:46px;height:46px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center}
.about-badge .ic svg{width:24px;height:24px}
.about-badge b{display:block;color:var(--ink);font-size:15px;line-height:1.4}
.about-badge span{font-size:12.5px;color:var(--muted)}

/* ---------- 品牌墙 ---------- */
.brands-sec{padding:96px 0 90px}
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.brand-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 10px 26px;text-align:center;transition:.3s;overflow:hidden;
}
.brand-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand);transform:scaleX(0);transition:.3s}
.brand-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.brand-card:hover::before{transform:scaleX(1)}
.brand-card .en{display:block;font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.03em}
.brand-card .cn{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}
.brand-note{margin-top:26px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- 应用领域（深色 Tab） ---------- */
.solutions-sec{background:var(--ink);padding:96px 0 0;position:relative;overflow:hidden}
.solutions-sec::before{
  content:"";position:absolute;right:-180px;top:-180px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,89,195,.35) 0%,transparent 68%);
}
.solutions-sec .eyebrow{color:#7FA8EE}
.solutions-sec .eyebrow::before{background:#7FA8EE}
.solutions-sec .sec-title{color:#fff}
.solutions-sec .sec-sub{color:#8DA2BC}
.solutions-sec .more-link{border-color:rgba(255,255,255,.3);color:#fff}
.solutions-sec .more-link:hover{background:#fff;color:var(--brand-ink);border-color:#fff}
.sol-pane{display:none;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;padding:26px 0 90px}
.sol-pane.on{display:grid;animation:fadeUp .5s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.sol-pane h3{color:#fff;font-size:28px;margin-bottom:16px}
.sol-pane .sol-desc{color:#AEBDD1;font-size:15.5px;margin-bottom:26px}
.sol-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.sol-chips span{
  padding:8px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.18);
  color:#D4DEEA;font-size:13.5px;background:rgba(255,255,255,.05);
}
.sol-visual{
  height:300px;border-radius:var(--radius-lg);position:relative;overflow:hidden;
  background:linear-gradient(135deg,#10305E 0%,#0B1D34 62%);
  border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
}
.sol-visual .num{
  position:absolute;right:26px;bottom:10px;font-size:96px;font-weight:800;color:rgba(255,255,255,.05);line-height:1;
}
.sol-visual svg{width:120px;height:120px;color:#5D8FE0}
.sol-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;padding-bottom:64px;position:relative;z-index:2}
.sol-tab{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  padding:22px 12px;text-align:center;cursor:pointer;transition:.3s;color:#C3CFDF;
}
.sol-tab svg{width:34px;height:34px;color:#7FA8EE;transition:.3s;margin-bottom:8px}
.sol-tab b{display:block;font-size:15px;font-weight:600;color:#E6ECF5}
.sol-tab:hover{background:rgba(255,255,255,.1)}
.sol-tab.on{background:var(--brand);border-color:var(--brand);transform:translateY(-8px);box-shadow:0 14px 30px rgba(18,89,195,.4)}
.sol-tab.on svg,.sol-tab.on b{color:#fff}

/* ---------- 询价条 ---------- */
.bom-sec{padding:0 0 96px;background:var(--ink)}
.bom-strip{
  background:linear-gradient(115deg,var(--brand) 0%,var(--brand-deep) 100%);
  border-radius:var(--radius-lg);padding:44px 50px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 24px 60px rgba(18,89,195,.35);
}
.bom-strip h3{color:#fff;font-size:26px}
.bom-strip p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:6px}
.bom-form{display:flex;gap:12px;flex:1;max-width:620px}
.bom-form input{
  flex:1;height:54px;border-radius:999px;border:0;padding:0 26px;font-size:15px;color:var(--ink);
  background:rgba(255,255,255,.96);
}
.bom-form input::placeholder{color:#9AA9BC}
.bom-form .btn{background:var(--ink);box-shadow:none}
.bom-form .btn:hover{background:#000}

/* ---------- 新闻 ---------- */
.news-sec{padding:96px 0;background:var(--bg-soft)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  transition:.3s;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-card .thumb{height:190px;position:relative;overflow:hidden}
.news-card .thumb .cover{width:100%;height:100%;display:flex;align-items:center;justify-content:center;transition:.4s}
.news-card:hover .thumb .cover{transform:scale(1.06)}
.news-card .thumb .tag{
  position:absolute;left:16px;top:16px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);font-size:12.5px;font-weight:600;
}
.news-card .body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.news-card time{font-size:13px;color:var(--muted);letter-spacing:.04em}
.news-card h3{font-size:18px;line-height:1.55;margin:10px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-card .read{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--brand);font-size:14px;font-weight:600}
.news-card .read svg{width:14px;height:14px;transition:.25s}
.news-card:hover .read svg{transform:translateX(4px)}
.cover-g1{background:linear-gradient(135deg,#123F86 0%,#0B1D34 100%)}
.cover-g2{background:linear-gradient(135deg,#1259C3 0%,#0A2A5E 100%)}
.cover-g3{background:linear-gradient(135deg,#0C3C8C 0%,#123B66 100%)}
.cover-g1 svg,.cover-g2 svg,.cover-g3 svg{width:76px;height:76px;color:rgba(255,255,255,.5)}

/* ---------- CTA ---------- */
.cta-sec{position:relative;padding:90px 0;background:var(--ink);overflow:hidden}
.cta-sec::before{content:"";position:absolute;left:-140px;top:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(18,89,195,.3),transparent 68%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:30px}
.cta-inner .eyebrow{color:#7FA8EE}.cta-inner .eyebrow::before{background:#7FA8EE}
.cta-inner p{color:#9FB0C6;margin-top:8px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.cta-phone{display:flex;align-items:center;gap:14px;color:#fff}
.cta-phone .ic{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center}
.cta-phone .ic svg{width:24px;height:24px;color:#8FB6F5}
.cta-phone small{display:block;font-size:12.5px;color:#8DA2BC}
.cta-phone b{font-size:22px;letter-spacing:.03em}

/* ---------- Footer ---------- */
footer.site{background:#081426;color:#94A5BB;font-size:14.5px}
.foot-main{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr 1.25fr;gap:44px;padding:70px 0 56px}
.foot-brand .logo-text h1{color:#fff;font-size:19px}
.foot-brand .logo-text b{color:#64789A}
.foot-brand p{margin-top:20px;line-height:1.9;font-size:13.5px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.foot-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2.5px;background:var(--brand);border-radius:2px}
.foot-col li{margin-bottom:11px}
.foot-col a{color:#94A5BB;font-size:14px}
.foot-col a:hover{color:#fff}
.foot-contact li{display:flex;gap:10px;margin-bottom:14px;line-height:1.7}
.foot-contact svg{width:15px;height:15px;flex:none;margin-top:5px;color:var(--brand)}
.foot-contact a{color:#C6D3E3}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#64789A}
.foot-bottom a{color:#64789A}
.foot-bottom a:hover{color:#fff}

/* ---------- 悬浮侧栏 ---------- */
.side-rail{position:fixed;right:18px;bottom:90px;z-index:900;display:flex;flex-direction:column;gap:10px}
.side-rail a,.side-rail button{
  width:52px;height:52px;border-radius:14px;background:#fff;color:var(--brand);
  box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--ink-2);transition:.25s;border:1px solid var(--line);
}
.side-rail svg{width:20px;height:20px;color:var(--brand)}
.side-rail a:hover,.side-rail button:hover{background:var(--brand);transform:translateY(-3px)}
.side-rail a:hover svg,.side-rail button:hover svg{color:#fff}
.side-rail a:hover,.side-rail button:hover{color:#fff}
.side-rail .totop{display:none}

/* ---------- 内页 Banner ---------- */
.page-hero{
  position:relative;padding:74px 0 64px;background:var(--ink);overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,89,195,.32),transparent 68%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-hero .container{position:relative;z-index:2}
.page-hero .crumb{font-size:13.5px;color:#7E93AF;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.page-hero .crumb a{color:#A9BDd6}
.page-hero .crumb a:hover{color:#fff}
.page-hero h1{color:#fff;font-size:38px}
.page-hero .sub{color:#8DA2BC;margin-top:10px;font-size:15px;max-width:680px}

/* ---------- 表单（询价/联系） ---------- */
.form-sec{padding:80px 0 96px}
.form-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm)}
.form-card h3{font-size:21px;margin-bottom:6px}
.form-card .tip{font-size:13.5px;color:var(--muted);margin-bottom:26px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-item{margin-bottom:18px}
.f-item label{display:block;font-size:14px;color:var(--ink-2);font-weight:600;margin-bottom:8px}
.f-item label i{color:#D64545;margin-left:3px}
.f-item input,.f-item textarea,.f-item select{
  width:100%;height:48px;border:1.5px solid var(--line);border-radius:10px;padding:0 16px;font-size:14.5px;color:var(--ink);transition:.2s;background:#fff;
}
.f-item textarea{height:120px;padding:13px 16px;resize:vertical}
.f-item input:focus,.f-item textarea:focus,.f-item select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,89,195,.1)}
.f-submit{width:100%;height:52px;border-radius:999px;background:var(--brand);color:#fff;font-size:16px;font-weight:600;transition:.25s;margin-top:6px}
.f-submit:hover{background:var(--brand-deep)}
.form-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.8;background:var(--bg-soft);border-radius:10px;padding:12px 16px}

.contact-aside{position:sticky;top:140px}
.contact-card{background:var(--ink);border-radius:var(--radius-lg);padding:36px;color:#C3CFDF;margin-bottom:20px}
.contact-card h3{color:#fff;font-size:20px;margin-bottom:22px}
.contact-card li{display:flex;gap:14px;margin-bottom:20px}
.contact-card .ic{width:44px;height:44px;flex:none;border-radius:12px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}
.contact-card .ic svg{width:20px;height:20px;color:#8FB6F5}
.contact-card b{display:block;color:#fff;font-size:15px;margin-bottom:3px}
.contact-card span{font-size:14px;line-height:1.65}
.contact-card a{color:#C3CFDF}
.contact-card a:hover{color:#fff}
.service-flow{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px}
.service-flow h4{font-size:16px;margin-bottom:18px}
.service-flow ol{counter-reset:sf}
.service-flow li{counter-increment:sf;display:flex;align-items:center;gap:12px;padding:9px 0;color:var(--body);font-size:14.5px}
.service-flow li::before{
  content:counter(sf);width:26px;height:26px;flex:none;border-radius:50%;background:var(--brand-tint);
  color:var(--brand);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}

/* ---------- 内页通用区块 ---------- */
.block{padding:84px 0}
.block-soft{background:var(--bg-soft)}
.cate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cate-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;overflow:hidden;
}
.cate-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.cate-card .ic{width:54px;height:54px;border-radius:14px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.cate-card .ic svg{width:27px;height:27px}
.cate-card h3{font-size:17px;margin-bottom:8px}
.cate-card p{font-size:13.5px;color:var(--body)}
.brand-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 38px;margin-bottom:22px}
.brand-group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.brand-group-head .ic{width:40px;height:40px;border-radius:11px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center}
.brand-group-head .ic svg{width:20px;height:20px}
.brand-group-head h3{font-size:18px}
.brand-group-head span{font-size:13px;color:var(--muted)}
.brand-chips{display:flex;flex-wrap:wrap;gap:10px}
.brand-chips span{
  padding:9px 20px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);transition:.2s;background:#fff;
}
.brand-chips span:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-tint)}

.sol-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.sol-block:last-child{border-bottom:0}
.sol-block .no{font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.2em;margin-bottom:10px}
.sol-block h3{font-size:26px;margin-bottom:14px}
.sol-block .desc{font-size:15px;color:var(--body);margin-bottom:22px}
.spec-list li{display:flex;gap:10px;padding:7px 0;font-size:14.5px;color:var(--ink-2)}
.spec-list svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--brand)}
.sol-block .visual{
  border-radius:var(--radius-lg);min-height:280px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand-ink) 0%,var(--ink) 70%);
  display:flex;align-items:center;justify-content:center;
}
.sol-block .visual svg{width:110px;height:110px;color:rgba(143,182,245,.85)}
.sol-block .visual .big{
  position:absolute;right:22px;bottom:0;font-size:110px;font-weight:800;color:rgba(255,255,255,.06);line-height:1.2;
}

/* ---------- 文章页 ---------- */
.article{max-width:860px;margin:0 auto;padding:70px 24px 96px}
.article .a-meta{display:flex;gap:22px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.article .a-meta span{display:inline-flex;align-items:center;gap:6px}
.article h1.a-title{font-size:30px;line-height:1.45;margin-bottom:26px}
.article .a-body h2{font-size:21px;margin:34px 0 14px}
.article .a-body h3{font-size:17px;margin:26px 0 10px}
.article .a-body p{margin-bottom:16px}
.article .a-body ul{margin:0 0 18px 4px}
.article .a-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article .a-body ul li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;background:var(--brand)}
.article .a-keywords{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ---------- 搜索页 ---------- */
.search-sec{padding:60px 0 96px;min-height:50vh}
.search-result{border:1px solid var(--line);border-radius:var(--radius);padding:22px 28px;margin-bottom:14px;transition:.2s;display:block}
.search-result:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.search-result b{color:var(--ink);font-size:16.5px}
.search-result p{font-size:13.5px;color:var(--muted);margin-top:4px}
.search-empty{text-align:center;padding:70px 0;color:var(--muted)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .brand-grid{grid-template-columns:repeat(4,1fr)}
  .sol-tabs{grid-template-columns:repeat(3,1fr)}
  .foot-main{grid-template-columns:1fr 1fr 1fr;row-gap:40px}
  .cate-grid{grid-template-columns:repeat(2,1fr)}
  .search-box{width:200px}
  nav.main .container>ul>li>a{padding:0 16px;font-size:15px}
  .hero h2{font-size:42px}
}
@media (max-width:860px){
  .topbar{display:none}
  header.site .container{height:70px}
  .head-phone,.search-box{display:none}
  .nav-toggle{display:flex}
  nav.main{position:fixed;top:70px;bottom:0;left:0;right:0;transform:translateX(100%);transition:.35s;overflow-y:auto;z-index:750}
  nav.main.open{transform:none}
  nav.main .container{display:block;height:auto;padding:10px 24px 40px}
  nav.main .container>ul{display:block}
  nav.main .container>ul>li{border-bottom:1px solid rgba(255,255,255,.08)}
  nav.main .container>ul>li>a{height:56px;padding:0}
  nav.main .container>ul>li>a::after{display:none}
  nav.main li .drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;background:transparent;padding:0 0 12px;min-width:0}
  nav.main li .drop.wide{width:100%;display:block;padding:0 0 12px}
  nav.main li .drop.wide li{width:100%}
  nav.main li .drop a{color:#9FB0C6;padding:8px 14px}
  nav.main li .drop a:hover{background:none;color:#fff}
  .hero{height:520px}
  .hero h2{font-size:33px}
  .hero p{font-size:15px}
  .hero-arrows{display:none}
  .trust .container{grid-template-columns:1fr 1fr}
  .trust-item{border-left:0;border-top:1px solid var(--line)}
  .trust-item:nth-child(-n+2){border-top:0}
  .about-grid,.form-grid,.sol-pane{grid-template-columns:1fr;gap:40px}
  .about-media img{height:380px}
  .about-badge{left:10px}
  .sec-title{font-size:27px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .news-grid{grid-template-columns:1fr}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .bom-strip{flex-direction:column;align-items:stretch;padding:34px 28px}
  .bom-form{max-width:none;flex-direction:column}
  .bom-form input{border-radius:12px}
  .sol-block{grid-template-columns:1fr;gap:30px;padding:44px 0}
  .page-hero h1{font-size:30px}
  .f-row{grid-template-columns:1fr}
  .form-card{padding:28px 22px}
  .contact-aside{position:static}
}
@media (max-width:560px){
  .brand-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .sol-tabs{grid-template-columns:repeat(2,1fr)}
  .trust .container{grid-template-columns:1fr}
  .trust-item{border-top:1px solid var(--line)}
  .trust-item:first-child{border-top:0}
  .cate-grid{grid-template-columns:1fr}
  .foot-main{grid-template-columns:1fr}
  .about-facts{flex-wrap:wrap}
  .about-facts div{flex:1 1 40%}
  .about-facts div:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .about-facts div:nth-child(4){border-top:1px solid var(--line)}
  .hero{height:480px}
  .hero h2{font-size:28px}
  .side-rail{right:10px;bottom:70px}
  .article h1.a-title{font-size:24px}
}