/* ==========================================================================
   官网共享样式 - 大数据与人工智能企业
   设计语言：白底 + 暖红橙强调 + 大中文标题 + 英文衬字板块标题
   ========================================================================== */

:root {
  --primary: #E2582A;
  --primary-2: #C94A20;
  --cyan: #F2A03C;
  --grad: linear-gradient(120deg, #E2582A 0%, #F2A03C 100%);
  --navy: #2B1510;
  --navy-2: #3A1C12;
  --bg: #FFFFFF;
  --bg-soft: #FAF4ED;
  --ink: #221712;
  --ink-2: #715040;
  --ink-3: #A6846E;
  --line: #F0E2D7;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(74, 38, 20, 0.08);
  --shadow-lg: 0 18px 50px rgba(74, 38, 20, 0.14);
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用标题 ---------- */
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy); color: #fff; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-en {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.sec-title { font-size: 38px; font-weight: 900; letter-spacing: 0.02em; line-height: 1.3; }
.sec-title em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-desc { margin-top: 14px; color: var(--ink-2); font-size: 16px; }
.section--navy .sec-en { color: var(--cyan); }
.section--navy .sec-desc { color: rgba(255,255,255,0.65); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(226,88,42,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(226,88,42,0.4); }
.btn-ghost { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn .arr { transition: transform 0.25s ease; }
.btn:hover .arr { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 20px; letter-spacing: 0.02em; }
.logo-mark { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; flex: none; }
.logo-mark img { width: 100%; height: 100%; object-fit: contain; }
.logo .logo-sub { font-size: 11px; font-weight: 500; color: var(--ink-3); letter-spacing: 0.18em; display: block; line-height: 1.2; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 8px;
  transition: all 0.2s;
}
.main-nav a:hover { color: var(--primary); background: rgba(226,88,42,0.06); }
.main-nav a.active { color: var(--primary); font-weight: 700; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 10px 22px; font-size: 14px; }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 60% 60% at 80% 10%, rgba(242,160,60,0.14), transparent 60%),
    radial-gradient(ellipse 50% 55% at 8% 90%, rgba(226,88,42,0.12), transparent 60%),
    linear-gradient(180deg, #FDF7F0 0%, #FAEFE2 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(226,88,42,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226,88,42,0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 80% at 60% 40%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 72px 0 84px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(226,88,42,0.08); color: var(--primary);
  font-size: 13px; font-weight: 600; border: 1px solid rgba(226,88,42,0.18);
}
.hero-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(242,160,60,0.25); }
.hero h1 { font-size: 46px; font-weight: 900; line-height: 1.28; margin: 22px 0 18px; letter-spacing: 0.01em; }
.hero h1 .hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { font-size: 17px; color: var(--ink-2); max-width: 520px; }
.hero-vals { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 34px; }
.hero-vals span {
  padding: 8px 18px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-size: 14px; font-weight: 600; color: var(--ink);
  box-shadow: 0 4px 14px rgba(74,38,20,0.05);
}
.hero-vals span i { color: var(--primary); font-style: normal; margin-right: 6px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-media img { width: 100%; border-radius: 24px; box-shadow: var(--shadow-lg); }
.hero-float {
  position: absolute; background: #fff; border-radius: 14px;
  padding: 12px 18px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600;
}
.hero-float.f1 { top: 24px; left: -18px; }
.hero-float.f2 { bottom: 30px; right: -14px; }
.hero-float .fico { width: 36px; height: 36px; border-radius: 10px; background: rgba(226,88,42,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; flex: none; }
.hero-float .fico svg { width: 20px; height: 20px; }

/* ---------- 解决方案卡片 ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: all 0.3s ease; position: relative; overflow: hidden;
}
.sol-card::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--grad); transform: scaleY(0); transform-origin: top; transition: transform 0.3s ease;
}
.sol-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: rgba(226,88,42,0.25); }
.sol-card:hover::after { transform: scaleY(1); }
.sol-ico {
  width: 56px; height: 56px; border-radius: 14px; background: rgba(226,88,42,0.08);
  display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 20px;
}
.sol-ico svg { width: 28px; height: 28px; }
.sol-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.sol-card p { font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.sol-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sol-tags span { font-size: 12px; color: var(--primary); background: rgba(226,88,42,0.07); border-radius: 6px; padding: 3px 10px; }
.sol-more { text-align: center; margin-top: 44px; }

/* ---------- 产品中心 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: all 0.3s ease; display: flex; flex-direction: column;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: rgba(226,88,42,0.25); }
.prod-media {
  background: linear-gradient(180deg, #FEF8F1 0%, #FAEFE1 100%);
  border-radius: 12px; padding: 22px; margin-bottom: 20px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.prod-media img { width: 128px; height: 128px; object-fit: contain; transition: transform 0.35s ease; }
.prod-card:hover .prod-media img { transform: scale(1.08); }
.prod-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.prod-card > p { font-size: 14px; color: var(--ink-2); line-height: 1.7; flex: 1; }
.prod-feats { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 18px; }
.prod-feats span { font-size: 12px; color: var(--ink-2); background: var(--bg-soft); border-radius: 6px; padding: 3px 9px; }
.prod-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 14px; font-weight: 600; }
.prod-link .arr { transition: transform 0.25s; }
.prod-link:hover .arr { transform: translateX(4px); }

/* ---------- 侧边卡片（通用） ---------- */
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.side-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.side-links li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--ink-2); }
.side-links li:last-child { border-bottom: none; }
.side-links a:hover { color: var(--primary); }

/* ---------- 关于我们（首页） ---------- */
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-block .sec-en { text-align: left; }
.about-text h2 { font-size: 32px; font-weight: 900; line-height: 1.35; margin-bottom: 18px; }
.about-text h2 em { font-style: normal; color: var(--primary); }
.about-text > p { color: var(--ink-2); margin-bottom: 14px; font-size: 15px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0 30px; }
.about-points li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink); font-weight: 500; }
.about-points .pi { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(226,88,42,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-top: 3px; }
.about-points .pi svg { width: 13px; height: 13px; }
.about-media { position: relative; }
.about-media img { width: 100%; border-radius: 20px; box-shadow: var(--shadow-lg); }
.about-media .cert-float {
  position: absolute; left: -20px; bottom: 26px; background: #fff;
  border-radius: 14px; padding: 16px 20px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 600;
}
.about-media .cert-float .s { width: 40px; height: 40px; border-radius: 10px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; flex: none; }
.about-media .cert-float .s svg { width: 22px; height: 22px; }
.about-media .cert-float small { display: block; font-weight: 500; color: var(--ink-3); font-size: 12px; }

/* ---------- CTA 区 ---------- */
.cta-band {
  background:
    radial-gradient(ellipse 55% 90% at 85% 20%, rgba(242,160,60,0.22), transparent 60%),
    radial-gradient(ellipse 45% 90% at 10% 80%, rgba(226,88,42,0.3), transparent 60%),
    var(--navy);
  color: #fff; text-align: center; padding: 72px 24px;
}
.cta-band h2 { font-size: 32px; font-weight: 900; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.7); margin-bottom: 30px; font-size: 16px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.72); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col a:hover { color: var(--cyan); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; color: var(--cyan); flex: none; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,0.5); }

/* ---------- 内页页头 ---------- */
.page-hero {
  background:
    radial-gradient(ellipse 50% 100% at 85% 0%, rgba(242,160,60,0.2), transparent 60%),
    radial-gradient(ellipse 40% 90% at 8% 100%, rgba(226,88,42,0.28), transparent 60%),
    var(--navy);
  color: #fff; text-align: center; padding: 76px 24px 64px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero .en { font-size: 13px; letter-spacing: 0.4em; text-transform: uppercase; color: var(--cyan); font-weight: 700; margin-bottom: 12px; }
.page-hero h1 { font-size: 40px; font-weight: 900; margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,0.7); max-width: 640px; margin: 0 auto; font-size: 16px; }
.crumb { margin-top: 22px; font-size: 13px; color: rgba(255,255,255,0.55); }
.crumb a:hover { color: var(--cyan); }
.crumb .sep { margin: 0 8px; }

/* ---------- 解决方案详情页 ---------- */
.sol-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.sol-detail .sol-card { background: var(--bg-soft); }
.sol-scenes { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.sol-scenes li { display: flex; gap: 8px; font-size: 13px; color: var(--ink-2); }
.sol-scenes li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); margin-top: 8px; flex: none; }

/* ---------- 产品详情页 ---------- */
.prod-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.prod-detail .prod-card { flex-direction: row; gap: 22px; align-items: flex-start; }
.prod-detail .prod-media { padding: 18px; margin-bottom: 0; flex: none; width: 150px; height: 150px; }
.prod-detail .prod-media img { width: 96px; height: 96px; }
.func-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.func-list li { display: flex; gap: 8px; font-size: 13px; color: var(--ink-2); }
.func-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); margin-top: 8px; flex: none; }

/* ---------- 关于我们页 ---------- */
.company-intro { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.company-intro p { color: var(--ink-2); margin-bottom: 14px; }
.intro-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.intro-imgs img { border-radius: 14px; width: 100%; object-fit: cover; }
.intro-imgs img:first-child { grid-row: span 2; }

.timeline { max-width: 860px; margin: 0 auto; }
.tl-row { display: grid; grid-template-columns: 110px 60px 1fr; gap: 8px; padding: 18px 0; position: relative; }
.tl-time { text-align: right; font-size: 16px; font-weight: 700; color: var(--primary); padding-top: 4px; }
.tl-dot { display: flex; justify-content: center; align-items: center; position: relative; }
.tl-dot::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 2px;
  background: var(--line); left: 50%; transform: translateX(-50%);
}
.tl-row:first-child .tl-dot::before { top: 50%; }
.tl-row:last-child .tl-dot::before { bottom: 50%; }
.tl-dot i {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad); position: relative; z-index: 1;
  box-shadow: 0 0 0 5px rgba(226,88,42,0.12);
}
.tl-body { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; }
.tl-body h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.tl-body p { font-size: 13px; color: var(--ink-2); }

/* 资质荣誉 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cert-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; text-align: center; transition: all 0.3s;
}
.cert-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.cert-ico { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 18px; background: rgba(226,88,42,0.08); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.cert-ico svg { width: 30px; height: 30px; }
.cert-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.cert-card p { font-size: 13px; color: var(--ink-2); }

/* 企业文化 */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.culture-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
.culture-card .no { font-size: 40px; font-weight: 900; color: rgba(226,88,42,0.16); line-height: 1; }
.culture-card h3 { font-size: 19px; font-weight: 700; margin: 12px 0 10px; }
.culture-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- 联系我们页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; text-align: center; transition: all 0.3s; }
.contact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.contact-card .cico { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center; }
.contact-card .cico svg { width: 26px; height: 26px; }
.contact-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 13px; color: var(--ink-2); line-height: 1.8; }
.contact-main { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.form-side { display: flex; flex-direction: column; gap: 20px; }

/* ---------- 回到顶部 / toast ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--grad); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: all 0.3s;
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top svg { width: 20px; height: 20px; }

.toast {
  position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%) translateY(20px);
  background: var(--navy); color: #fff; padding: 14px 28px; border-radius: 12px;
  font-size: 14px; box-shadow: var(--shadow-lg); z-index: 200;
  opacity: 0; pointer-events: none; transition: all 0.35s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 64px; }
  .hero h1 { font-size: 38px; }
  .hero-media { max-width: 620px; margin: 0 auto; }
  .hero-float.f1 { left: 8px; }
  .hero-float.f2 { right: 8px; }
  .sol-grid, .prod-grid, .cert-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-detail { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .sec-title { font-size: 28px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0; z-index: 99;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 24px 24px; gap: 4px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(74,38,20,0.1);
    transform: translateY(-140%); transition: transform 0.35s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 13px 14px; font-size: 16px; }
  .nav-cta .btn { display: none; }
  .about-block, .company-intro, .contact-main, .prod-detail { grid-template-columns: 1fr; gap: 36px; }
  .page-hero h1 { font-size: 30px; }
  .timeline .tl-row { grid-template-columns: 84px 44px 1fr; }
  .about-media .cert-float { left: 8px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .sol-grid, .prod-grid, .cert-grid, .culture-grid, .contact-grid, .sol-detail { grid-template-columns: 1fr; }
  .prod-detail .prod-card { flex-direction: column; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .about-points { grid-template-columns: 1fr; }
  .timeline .tl-row { grid-template-columns: 1fr; gap: 4px; }
  .tl-time { text-align: left; }
  .tl-dot { justify-content: flex-start; padding-left: 4px; }
  .tl-dot::before { left: 10px; }
  .tl-dot i { margin-left: 4px; }
}