/* ===== 基础设置 ===== */
:root{
  --orange:#ff5a1f;
  --orange-dark:#e64100;
  --navy:#0d1526;
  --navy-2:#131d33;
  --ink:#1a1f2b;
  --ink-soft:#5b6376;
  --line:#e7e9ee;
  --bg:#ffffff;
  --bg-soft:#f6f7fa;
  --radius:14px;
  --maxw:1200px;
  --shadow:0 10px 30px rgba(13,21,38,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{
  background:var(--bg-soft) url("../img/texture-pattern.jpg") center/900px repeat;
}
.section-dark{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--orange);
  font-weight:700;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:inline-block}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:.01em}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:16px}
.section-dark .section-head p{color:#aeb6c8}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}

/* ===== 顶部导航 ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 0;transition:all .3s ease;
  background:linear-gradient(180deg,rgba(9,14,25,.55) 0%,rgba(9,14,25,0) 100%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.navbar.scrolled{
  background:rgba(9,14,25,.86);backdrop-filter:blur(14px);
  padding:12px 0;box-shadow:0 8px 28px rgba(0,0,0,.22);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:21px;letter-spacing:.02em}
.brand-logo{height:34px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.05);padding:5px;border-radius:999px;border:1px solid rgba(255,255,255,.07)}
.nav-links a{
  color:#cfd4e2;font-size:14.5px;font-weight:600;position:relative;
  padding:9px 18px;border-radius:999px;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff;background:var(--orange);box-shadow:0 4px 14px rgba(255,90,31,.35)}
.nav-cta{display:flex;align-items:center;gap:20px}
.nav-tel{color:#fff;font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:8px}
.nav-tel::before{
  content:"";width:8px;height:8px;border-radius:50%;background:#3ddc84;
  box-shadow:0 0 0 3px rgba(61,220,132,.2);flex:none;
}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0}
.burger span{width:26px;height:2px;background:#fff}

/* ===== 内页横幅（非首页） ===== */
.page-banner{
  position:relative;padding:170px 0 70px;color:#fff;background:var(--navy);overflow:hidden;
}
.page-banner .bg{position:absolute;inset:0;z-index:0}
.page-banner .bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.page-banner .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(13,21,38,.95),rgba(13,21,38,.65))}
.page-banner .inner{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:#a9b1c8;margin-bottom:16px}
.breadcrumb a{color:#a9b1c8}
.breadcrumb a:hover{color:#fff}
.page-banner h1{font-size:clamp(28px,4vw,42px);font-weight:800}
.page-banner p{margin-top:14px;color:#c3c9db;max-width:600px;font-size:15.5px}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;
  background:var(--navy);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.38}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:url("../img/hero-glow.jpg") center/cover;
  mix-blend-mode:screen;opacity:.55;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(115deg,rgba(13,21,38,.96) 20%,rgba(13,21,38,.55) 60%,rgba(13,21,38,.85) 100%);
}
.hero-inner{position:relative;z-index:1;padding-top:100px}
.hero-tag{
  display:inline-block;padding:8px 18px;border:1px solid rgba(255,255,255,.35);
  border-radius:999px;font-size:13px;letter-spacing:.08em;margin-bottom:26px;color:#ffd9c4;
}
.hero h1{
  font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.15;
  max-width:820px;letter-spacing:.01em;
}
.hero h1 em{color:var(--orange);font-style:normal}
.hero p{margin-top:22px;font-size:18px;color:#c3c9db;max-width:600px}
.hero-actions{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;margin-top:64px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);padding-top:32px}
.hero-stats .stat{padding-right:56px;margin-right:56px;border-right:1px solid rgba(255,255,255,.15)}
.hero-stats .stat:last-child{border-right:0}
.hero-stats .num{font-size:34px;font-weight:800;color:#fff}
.hero-stats .num span{color:var(--orange)}
.hero-stats .label{font-size:13px;color:#9aa2b8;margin-top:6px}
.scroll-cue{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  color:#9aa2b8;font-size:12px;letter-spacing:.2em;display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-cue .line{width:1px;height:36px;background:linear-gradient(#ff5a1f,transparent);animation:scrolldown 1.6s infinite}
@keyframes scrolldown{0%{opacity:0;transform:scaleY(0.3)}50%{opacity:1;transform:scaleY(1)}100%{opacity:0;transform:scaleY(0.3);transform-origin:top}}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-media img{transition:transform .6s ease}
.about-media:hover img{transform:scale(1.04)}
.about-badge{
  position:absolute;left:20px;bottom:20px;background:rgba(13,21,38,.85);color:#fff;
  padding:14px 20px;border-radius:12px;backdrop-filter:blur(6px);
}
.about-badge b{color:var(--orange);font-size:22px}
.about-text p{color:var(--ink-soft);font-size:16px;margin-bottom:16px}
.about-list{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.about-list li{
  display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:var(--ink);
  background:var(--bg-soft);padding:14px 16px;border-radius:10px;
}
.about-list li .ic{
  width:34px;height:34px;flex:none;border-radius:9px;background:#fff0e8;color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-weight:800;
}

/* ===== 服务/流程 ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-grid.grid-3{grid-template-columns:repeat(3,1fr)}
.process-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;position:relative;transition:all .3s;
}
.process-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.process-card .n{font-size:38px;font-weight:900;color:#f0ebe6;position:absolute;top:16px;right:20px}
.process-card h4{font-size:18px;margin:34px 0 10px;font-weight:700}
.process-card p{font-size:14px;color:var(--ink-soft);margin:0}

/* ===== 案例 ===== */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-btn{
  padding:9px 20px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-soft);cursor:pointer;background:#fff;transition:all .2s;
}
.filter-btn.active,.filter-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.case-card{
  border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);
  transition:transform .3s ease;
}
.case-card:hover{transform:translateY(-6px)}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eee}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-media img{transform:scale(1.07)}
.case-loc{
  position:absolute;top:14px;left:14px;background:rgba(13,21,38,.82);color:#fff;
  font-size:13px;padding:7px 14px;border-radius:999px;letter-spacing:.03em;font-weight:600;
}
.case-body{padding:26px 28px}
.case-body h4{font-size:21px;line-height:1.4;font-weight:800;margin-bottom:12px}
.case-body p{font-size:15.5px;line-height:1.7;color:var(--ink-soft);margin:0}
.case-meta{display:flex;gap:14px;margin-top:14px;font-size:12.5px;color:var(--ink-soft)}
.case-meta span{display:flex;align-items:center;gap:5px}
@media (max-width:640px){.case-grid{grid-template-columns:1fr}}

/* 客户案例大图版：单列展示，完整显示3D效果图不裁切 */
.section-cases-wide .container{max-width:1600px}
.case-grid.wide{grid-template-columns:1fr;gap:40px}
.case-grid.wide .case-media{
  aspect-ratio:16/9;background:linear-gradient(135deg,#f3f4f7,#e8eaf0);
}
.case-grid.wide .case-media img{object-fit:contain;padding:14px}
.case-grid.wide .case-body{padding:28px 32px 32px}

/* ===== 主营产品 / 成功案例 ===== */
.case-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.case-feature:last-child{border-bottom:0}
.case-feature.reverse .cf-media{order:2}
.case-feature.reverse .cf-body{order:1}
.cf-media{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:1fr 1fr;gap:10px;height:360px}
.cf-media img{width:100%;height:100%;object-fit:cover;border-radius:10px}
.cf-media a:first-child{grid-row:1/3}
.cf-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.cf-tag{
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:#fff0e8;color:var(--orange-dark);
}
.cf-body h3{font-size:24px;font-weight:800;margin-bottom:6px}
.cf-body .cf-sub{color:var(--ink-soft);font-size:14.5px;margin-bottom:18px}
.cf-body p{color:var(--ink-soft);font-size:15px;margin-bottom:12px}
.cf-highlight{
  display:flex;gap:28px;margin-top:20px;padding-top:20px;border-top:1px dashed var(--line);flex-wrap:wrap;
}
.cf-highlight .hl-num{font-size:26px;font-weight:800;color:var(--orange)}
.cf-highlight .hl-label{font-size:12.5px;color:var(--ink-soft);margin-top:2px}
@media (max-width:900px){
  .case-feature, .case-feature.reverse{grid-template-columns:1fr}
  .case-feature.reverse .cf-media,.case-feature.reverse .cf-body{order:0}
  .cf-media{height:280px}
}

/* ===== 产品 ===== */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.product-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:0 4px 16px rgba(13,21,38,.05);
  transition:transform .3s ease,box-shadow .3s ease;
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.product-media{
  aspect-ratio:4/3;overflow:hidden;position:relative;cursor:zoom-in;
  background:radial-gradient(circle at 50% 42%,#fff7f2 0%,#fdeee4 55%,#f8e2d2 100%);
}
.product-media img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .45s ease}
.product-card:hover .product-media img{transform:scale(1.06)}
.product-media::after{
  content:"\26f6  查看大图";position:absolute;right:14px;bottom:14px;
  font-size:12.5px;color:#fff;background:rgba(13,21,38,.65);padding:6px 12px;border-radius:999px;
  opacity:0;transition:opacity .25s ease;pointer-events:none;letter-spacing:.02em;
}
.product-card:hover .product-media::after{opacity:1}
.product-body{padding:24px 26px 28px}
.product-body h4{color:var(--ink);font-size:20px;font-weight:800;margin-bottom:10px}
.product-body p{color:var(--ink-soft);font-size:15px;line-height:1.7;margin:0;min-height:auto}
.product-tag{
  display:inline-block;margin-top:16px;font-size:12.5px;color:var(--orange-dark);
  border:1px solid rgba(255,90,31,.35);background:#fff5ee;padding:5px 12px;border-radius:999px;
}
@media (max-width:640px){.product-grid{grid-template-columns:1fr}}

/* ===== 图片灯箱（全站点击放大） ===== */
.lightbox-overlay{
  position:fixed;inset:0;z-index:500;background:rgba(246,247,250,.97);
  display:none;align-items:center;justify-content:center;padding:40px;
  backdrop-filter:blur(6px);
}
.lightbox-overlay.open{display:flex}
.lightbox-overlay .lightbox-frame{
  background:#fff;border-radius:16px;padding:20px;box-shadow:0 24px 70px rgba(13,21,38,.18);
  display:flex;flex-direction:column;align-items:center;gap:14px;max-width:min(1100px,92vw);
}
.lightbox-overlay img{max-width:100%;max-height:78vh;border-radius:8px;display:block}
.lightbox-close{
  position:absolute;top:22px;right:28px;width:44px;height:44px;border-radius:50%;
  background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 4px 14px rgba(13,21,38,.1);
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.lightbox-close:hover{background:var(--bg-soft)}
.lightbox-caption{
  color:var(--ink-soft);font-size:13.5px;letter-spacing:.02em;text-align:center;max-width:80vw;
  font-variant-numeric:tabular-nums;
}
img.zoomable,.case-media.zoomable{cursor:zoom-in}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 4px 14px rgba(13,21,38,.1);
  font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;
}
.lightbox-prev{left:24px}
.lightbox-next{right:24px}
.lightbox-nav:hover{background:var(--bg-soft)}
.case-photo-count{
  position:absolute;right:12px;bottom:12px;background:rgba(13,21,38,.72);color:#fff;
  font-size:11.5px;padding:4px 10px;border-radius:999px;display:flex;align-items:center;gap:4px;
}

/* ===== 优势 ===== */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{
  text-align:center;padding:36px 24px;background:#fff;border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:0 4px 16px rgba(13,21,38,.04);
  transition:transform .3s ease,box-shadow .3s ease;
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.why-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:18px;
  background:linear-gradient(135deg,#fff0e8,#ffe2d2);
  display:flex;align-items:center;justify-content:center;padding:14px;
}
.why-icon img{width:100%;height:100%;object-fit:contain}
.why-card h4{font-size:17px;margin-bottom:10px;font-weight:700}
.why-card p{font-size:13.5px;color:var(--ink-soft)}

/* ===== 联系我们 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info h3{font-size:22px;font-weight:800;margin-bottom:22px;color:#fff}
.contact-item{display:flex;gap:16px;margin-bottom:26px}
.contact-item .ic{
  width:44px;height:44px;border-radius:12px;background:rgba(255,90,31,.15);color:var(--orange);
  display:flex;align-items:center;justify-content:center;flex:none;font-size:18px;
}
.contact-item b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.contact-item span{color:#a9b1c8;font-size:14px}
.qr-row{display:flex;gap:20px;margin-top:30px}
.qr-box{background:#fff;border-radius:12px;padding:14px;text-align:center;width:130px}
.qr-box img{border-radius:6px;margin-bottom:8px}
.qr-box small{color:var(--ink);font-size:12px;font-weight:600}

.contact-form{background:#fff;border-radius:var(--radius);padding:34px;color:var(--ink)}
.contact-form h3{font-size:20px;font-weight:800;margin-bottom:6px}
.contact-form p.sub{color:var(--ink-soft);font-size:13.5px;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-row.full{grid-template-columns:1fr}
.form-row label{display:block}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;
  font-size:14px;font-family:inherit;background:var(--bg-soft);
}
.form-row textarea{resize:vertical;min-height:90px}
.form-note{font-size:12px;color:var(--ink-soft);margin-top:12px}

/* ===== 快速联系卡（拨号 / 微信） ===== */
.quick-contact{background:#fff;border-radius:var(--radius);padding:34px;color:var(--ink)}
.quick-contact h3{font-size:20px;font-weight:800;margin-bottom:6px}
.quick-contact p.sub{color:var(--ink-soft);font-size:13.5px;margin-bottom:24px}
.qc-btn{
  display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:12px;
  background:var(--bg-soft);border:1px solid var(--line);margin-bottom:14px;transition:all .2s ease;
}
.qc-btn:hover{border-color:var(--orange);background:#fff5ee;transform:translateY(-2px)}
.qc-btn.qc-primary{background:var(--orange);border-color:var(--orange)}
.qc-btn.qc-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark)}
.qc-btn.qc-primary .qc-text b,.qc-btn.qc-primary .qc-text small{color:#fff}
.qc-btn.qc-primary .qc-icon{background:rgba(255,255,255,.2);color:#fff}
.qc-icon{
  width:46px;height:46px;border-radius:50%;background:#fff0e8;color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:20px;flex:none;
}
.qc-text{display:flex;flex-direction:column;gap:2px}
.qc-text b{font-size:16px;color:var(--ink)}
.qc-text small{font-size:14px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.qc-divider{
  display:flex;align-items:center;gap:12px;margin:26px 0 20px;
  color:var(--ink-soft);font-size:12.5px;letter-spacing:.02em;
}
.qc-divider::before,.qc-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.qc-qr{text-align:center}
.qc-qr img{width:160px;margin:0 auto 12px;border-radius:10px;border:1px solid var(--line)}
.qc-qr p{font-size:13px;color:var(--ink-soft)}

/* ===== 视频 ===== */
.video-wrap{
  border-radius:var(--radius);overflow:hidden;background:#0d1526;box-shadow:var(--shadow);
  position:relative;
}
.video-wrap video{width:100%;display:block;max-height:640px;background:#000}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.video-card video{width:100%;display:block;background:#000;aspect-ratio:16/9}
.video-card-label{
  padding:16px 20px;font-size:16px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.video-card-label .tag{
  font-size:12px;font-weight:600;color:var(--orange-dark);background:#fff5ee;
  padding:4px 10px;border-radius:999px;
}
@media (max-width:800px){.video-grid{grid-template-columns:1fr}}

/* ===== Footer ===== */
.footer{background:#090e19;color:#8b93a8;padding:52px 0 24px;font-size:13.5px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{max-width:320px}
.footer-logo{height:30px;width:auto;display:block;margin-bottom:16px}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-col h5{color:#fff;font-size:14px;margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;padding-top:22px;flex-wrap:wrap;gap:10px}

/* ===== 悬浮联系按钮 ===== */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:90;
  display:flex;flex-direction:column;gap:12px;align-items:flex-end;
}
.float-btn{
  width:52px;height:52px;border-radius:50%;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(255,90,31,.4);
  cursor:pointer;font-size:20px;
}
.float-btn.top{background:#1a1f2b}

/* ===== 动画 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .about-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .contact-wrap{grid-template-columns:1fr}
  .hero-stats .stat{padding-right:32px;margin-right:32px}
}
@media (max-width:768px){
  .nav-links,.nav-tel{display:none}
  .burger{display:flex}
  .section{padding:60px 0}
  .about-list{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{flex-direction:column}
  .footer-cols{gap:32px}
}