/* ============================================================
   万物智见 NDT~X · Industrial AI — 官网样式
   深色工业科技风 · 响应式 · 无框架纯 CSS
   ============================================================ */
:root{
  --bg:#080d1a;
  --bg-soft:#0c1326;
  --surface:#111a33;
  --surface-2:#16223f;
  --border:rgba(148,163,184,.14);
  --border-strong:rgba(148,163,184,.28);
  --text:#e8edf6;
  --muted:#9aa8c0;
  --accent:#22d3ee;
  --accent-2:#3b82f6;
  --accent-soft:rgba(34,211,238,.12);
  --grad:linear-gradient(96deg,#22d3ee 0%,#3b82f6 100%);
  --radius:14px;
  --shadow:0 20px 50px -20px rgba(2,8,23,.9);
  --maxw:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
::selection{background:rgba(34,211,238,.35)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(8,13,26,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.site-header.scrolled{border-bottom-color:var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px}
.brand .mark{width:34px;height:34px;flex:none}
.brand-logo{height:38px;width:auto;display:block}
.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:2px;line-height:1.2}
.brand .name{line-height:1.15}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links>li{position:relative}
.nav-links a,.nav-links .drop-toggle{
  display:block;padding:10px 16px;font-size:15px;color:var(--muted);
  border-radius:8px;transition:color .2s,background .2s;cursor:pointer;
  background:none;border:none;font-family:inherit;
}
.nav-links a:hover,.nav-links a.active,
.nav-links .drop-toggle:hover,.nav-links .drop-toggle[aria-expanded="true"]{
  color:var(--text);background:rgba(148,163,184,.08);
}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:290px;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:8px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.22s ease;
}
.nav-links li:hover>.dropdown,
.nav-links li:focus-within>.dropdown,
.dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:9px}
.dropdown a b{font-size:14.5px;font-weight:600;color:var(--text)}
.dropdown a span{font-size:12.5px;color:var(--muted)}
.dropdown a:hover{background:var(--accent-soft)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:9px;width:42px;height:42px;cursor:pointer;color:var(--text)}
.nav-toggle svg{margin:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:10px;font-size:15.5px;font-weight:600;
  transition:.22s;cursor:pointer;border:1px solid transparent;font-family:inherit;
}
.btn-primary{background:var(--grad);color:#04121f;box-shadow:0 8px 24px -8px rgba(34,211,238,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(34,211,238,.6)}
.btn-ghost{border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-sm{padding:9px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  padding:150px 0 100px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,13,26,.62) 0%,rgba(8,13,26,.35) 45%,var(--bg) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 55% at 18% 42%,rgba(34,211,238,.14),transparent 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2.5px;color:var(--accent);
  text-transform:uppercase;margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--accent)}
.hero h1{
  font-size:clamp(34px,5.2vw,60px);font-weight:800;line-height:1.22;
  letter-spacing:1px;max-width:820px;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{
  margin-top:24px;font-size:clamp(16px,1.6vw,19px);color:var(--muted);
  max-width:640px;
}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:72px;background:var(--border);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.hero-stats .stat{background:rgba(12,19,38,.82);backdrop-filter:blur(8px);padding:26px 20px;text-align:center}
.stat .num{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--accent);line-height:1.15;font-variant-numeric:tabular-nums}
.stat .num i{font-style:normal;font-size:.6em;margin-left:2px}
.stat .label{font-size:13.5px;color:var(--muted);margin-top:6px}

/* ---------- 通用 Section ---------- */
.section{padding:96px 0}
.section.alt{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto 60px;text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head .eyebrow::after{content:"";width:26px;height:1.5px;background:var(--accent)}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:.5px;line-height:1.3}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 28px;transition:.25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.card .icon{
  width:46px;height:46px;border-radius:11px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--accent);
}
.card h3{font-size:18.5px;font-weight:700;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(34,211,238,.25);padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:14.5px;font-weight:600;color:var(--accent);
}
.card-link:hover{gap:10px}
.card-link{transition:gap .2s}

/* ---------- 产品卡片 ---------- */
.product-card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;display:flex;flex-direction:column;transition:.25s;
}
.product-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.4);box-shadow:var(--shadow)}
.product-card .thumb{aspect-ratio:16/9.5;overflow:hidden;position:relative;background:#0a1020}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .thumb img{transform:scale(1.05)}
.product-card .body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.product-card .body h3{font-size:19px;font-weight:700}
.product-card .body p{margin-top:10px;font-size:14.5px;color:var(--muted);flex:1}
.product-card .body .tags{margin-top:16px}
.product-card .body .card-link{margin-top:18px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-arch{grid-template-columns:1.15fr 1fr}
.split-arch-r{grid-template-columns:1fr 1.15fr}
.split.rev .visual{order:-1}
.split .visual{
  border-radius:16px;overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;
}
.split .visual img{width:100%;height:auto}
.visual img{width:100%;height:auto}
.img-43{aspect-ratio:4/3;object-fit:cover}
.img-34{aspect-ratio:3/4;object-fit:cover}
.split .content h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.35}
.split .content>.lead{margin-top:16px;color:var(--muted)}
.feature-list{margin-top:26px;display:grid;gap:16px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .dot{
  flex:none;width:24px;height:24px;border-radius:7px;margin-top:3px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.feature-list b{display:block;font-size:15.5px;font-weight:700}
.feature-list span{font-size:14px;color:var(--muted)}

/* ---------- 步骤流程 ---------- */
.steps{counter-reset:step;display:grid;gap:0;grid-template-columns:repeat(6,1fr)}
.step{
  counter-increment:step;position:relative;padding:26px 18px;text-align:center;
  background:var(--surface);border:1px solid var(--border);
}
.step:first-child{border-radius:12px 0 0 12px}
.step:last-child{border-radius:0 12px 12px 0}
.step::before{
  content:counter(step,decimal-leading-zero);
  display:block;font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px;
}
.step b{display:block;font-size:15px;font-weight:700;margin-top:8px}
.step span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:flowstep}
.flow .card{counter-increment:flowstep;text-align:left}
.flow .card::before{
  content:"0" counter(flowstep);font-size:44px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.9;line-height:1;display:block;margin-bottom:14px;
}

/* ---------- 数据对比表 ---------- */
.compare{width:100%;border-collapse:collapse;font-size:14.5px}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--border)}
.compare thead th{font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:600;background:rgba(148,163,184,.05)}
.compare tbody th{font-weight:600;color:var(--text);width:150px}
.compare td{color:var(--muted)}
.compare td.good{color:var(--text)}
.compare .good-flag{color:var(--accent);font-weight:600}
.table-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.table-wrap table{width:100%}

/* ---------- 行业实践 ---------- */
.case-tile{
  position:relative;border-radius:16px;overflow:hidden;min-height:230px;
  border:1px solid var(--border);display:flex;align-items:flex-end;
  background:var(--surface) center/cover no-repeat;
}
.case-tile::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,13,26,.1) 0%,rgba(8,13,26,.88) 78%);
}
.case-tile .inner{position:relative;padding:24px;width:100%}
.case-tile .metric{font-size:26px;font-weight:800;color:var(--accent)}
.case-tile h3{font-size:17px;font-weight:700;margin-top:4px}
.case-tile p{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- 数字条 ---------- */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.number{text-align:center;padding:36px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.number .num{font-size:clamp(30px,3.4vw,44px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.number .num i{font-style:normal;font-size:.55em}
.number .label{font-size:14px;color:var(--muted);margin-top:8px}

/* ---------- 合作伙伴 ---------- */
.partners{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.partners span{
  padding:10px 22px;border:1px solid var(--border);border-radius:999px;
  font-size:14.5px;color:var(--muted);background:rgba(148,163,184,.04);
}
.partners span:hover{color:var(--text);border-color:var(--border-strong)}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:20px;border:1px solid rgba(34,211,238,.25);padding:64px 48px;text-align:center;background:radial-gradient(80% 120% at 50% 0%,rgba(34,211,238,.14),rgba(17,26,51,.6))}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.cta-band p{margin-top:12px;color:var(--muted);max-width:560px;margin-left:auto;margin-right:auto}
.cta-band .btn{margin-top:30px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);padding:70px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px}
.footer-qr{display:flex;gap:16px;margin-top:16px}
.footer-qr figure{margin:0}
.footer-qr img{width:84px;height:84px;border-radius:6px;display:block}
.footer-qr figcaption{font-size:11.5px;color:var(--muted);margin-top:6px;text-align:center}
.footer-grid h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-grid p,.footer-grid li{font-size:14px;color:var(--muted)}
.footer-grid ul li{margin-bottom:11px}
.footer-grid ul a:hover{color:var(--accent)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;margin-bottom:16px}
.footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 面包屑 & 页头 ---------- */
.page-hero{position:relative;padding:170px 0 70px;overflow:hidden}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,26,.5),var(--bg) 92%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px;color:var(--border-strong)}
.page-hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.25}
.page-hero .lead{margin-top:16px;color:var(--muted);max-width:680px;font-size:16.5px}
.page-hero .hero-stats{margin-top:44px;grid-template-columns:repeat(4,1fr)}

/* ---------- 产品页痛点 ---------- */
.pain-card{border-left:3px solid var(--accent)}
.pain-card .no{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px}

/* ---------- 能力规格 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.spec{border:1px solid var(--border);border-radius:var(--radius);padding:26px;background:var(--surface)}
.spec b{display:block;font-size:16px;margin-bottom:6px}
.spec span{font-size:14px;color:var(--muted)}

/* ---------- 联系表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--muted);font-weight:600}
.field label i{color:var(--accent);font-style:normal}
.field input,.field select,.field textarea{
  background:var(--surface);border:1px solid var(--border-strong);border-radius:10px;
  padding:12px 14px;color:var(--text);font-size:15px;font-family:inherit;transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);grid-column:1/-1}
.form-success{
  grid-column:1/-1;display:none;padding:14px 18px;border-radius:10px;
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);color:#7ee2a8;font-size:14.5px;
}

/* ---------- 联系方式 / 二维码 ---------- */
a.tel{color:var(--accent);font-weight:700;font-size:16px;letter-spacing:.5px}
.qr-row{display:flex;gap:22px;margin-top:32px;flex-wrap:wrap}
.qr-card{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 22px;display:flex;align-items:center;gap:16px;transition:.25s}
.qr-card:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.qr-card img{width:120px;height:120px;border-radius:8px;display:block;flex:none}
.qr-card figcaption b{display:block;font-size:15px}
.qr-card figcaption span{font-size:12.5px;color:var(--muted)}

/* ---------- 动效 ---------- */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.visible{opacity:1;transform:none}
html.js .reveal.d1{transition-delay:.08s}html.js .reveal.d2{transition-delay:.16s}html.js .reveal.d3{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html.js .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .step:first-child{border-radius:12px 0 0 0}
  .step:nth-child(3){border-radius:0 12px 0 0}
  .step:nth-child(4){border-radius:0 0 0 12px}
  .step:last-child{border-radius:0 0 12px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .split,.split.rev{grid-template-columns:1fr;gap:36px}
  .split.rev .visual{order:0}
  .contact-wrap{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .numbers{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .section{padding:68px 0}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(10,16,32,.98);backdrop-filter:blur(16px);
    padding:16px 24px 28px;gap:4px;border-bottom:1px solid var(--border);
    display:none;max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links a,.nav-links .drop-toggle{padding:13px 10px;font-size:16px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;background:rgba(148,163,184,.05);margin:2px 0 6px}
  .dropdown.open{display:block}
  .nav-cta .btn-ghost{display:none}
  .hero{min-height:auto;padding:130px 0 80px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step,.step:first-child,.step:last-child{border-radius:12px!important}
  .spec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:48px 24px}
  .compare tbody th{width:auto}
}

/* ---------- 案例卡片（16:9 横构图图在上，文字在下） ---------- */
.case-card{padding:0;display:flex;flex-direction:column}
.case-card .case-cover{position:relative;width:100%;height:auto;aspect-ratio:16/9;overflow:hidden;background:#0b1424}
.case-card .case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-cover img{transform:scale(1.05)}
.case-card .case-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,20,36,0) 60%,rgba(17,26,51,.72) 100%)}
.case-card .case-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1;min-width:0}
.case-card .case-body .tags{margin-top:0}
.case-card .case-body h3{margin-top:8px;margin-bottom:6px;font-size:15.5px;line-height:1.4}
.case-card .case-body p{font-size:13.5px;line-height:1.6}
.cases-grid{gap:20px}

/* ---------- 产品页图集组件（RT / UT 彩页素材） ---------- */
.defect-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.defect-tile,.detail-tile,.panel-tile{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:.25s}
.defect-tile:hover,.detail-tile:hover,.panel-tile:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.defect-tile img{width:100%;height:auto;aspect-ratio:11/5;object-fit:cover;display:block}
.defect-tile figcaption,.detail-tile figcaption{padding:9px 14px;font-size:13px;color:var(--muted)}
.detail-tile img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}
.panel-tile img{width:100%;height:auto;object-fit:cover;display:block}
.panel-tile figcaption{padding:12px 16px 14px;display:flex;flex-direction:column;gap:2px}
.panel-tile figcaption b{font-size:14.5px;color:var(--text)}
.panel-tile figcaption span{font-size:12.5px;color:var(--muted);line-height:1.55}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.step6{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 14px 16px;transition:.25s}
.step6:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.step6 img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:8px;display:block}
.step6 .step6-num{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-top:10px}
.step6 h3{font-size:14.5px;margin-top:4px}
.step6 p{font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:4px}
@media (max-width:1024px){
  .defect-grid{grid-template-columns:repeat(2,1fr)}
  .grid-6{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .defect-grid{grid-template-columns:repeat(2,1fr)}
  .grid-6{grid-template-columns:repeat(2,1fr)}
}