/* ============================================================
   广西何以游学科技有限公司 · 企业官网样式
   Tech Corporate Style — Deep Blue / Cyan
   ============================================================ */

:root {
  --deep: #061428;
  --navy: #0A2647;
  --navy-2: #103A6B;
  --blue: #1668E3;
  --blue-2: #3B82F6;
  --cyan: #22D3EE;
  --cyan-2: #06B6D4;
  --ink: #0E1B2E;
  --body: #4C5D75;
  --muted: #8697AD;
  --line: #E4EBF5;
  --bg: #F6F9FE;
  --bg-2: #EEF4FC;
  --white: #FFFFFF;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(12, 42, 86, .06);
  --shadow: 0 10px 34px rgba(12, 42, 86, .10);
  --shadow-lg: 0 24px 60px rgba(9, 33, 70, .16);
  --maxw: 1220px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto 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);
  color: var(--body);
  background: var(--white);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5 { color: var(--ink); font-weight: 700; line-height: 1.35; letter-spacing: -.2px; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: .28s ease;
  white-space: nowrap; font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan-2));
  color: #fff; box-shadow: 0 10px 24px rgba(22, 104, 227, .30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(22, 104, 227, .40); }
.btn-ghost { margin-left:50px; background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.6); }
.btn-line { background: #fff; color: var(--blue); border-color: var(--line); }
.btn-line:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--deep); color: rgba(255,255,255,.72);
  font-size: 13px; padding: 7px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar .tl { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar span { display: inline-flex; align-items: center; gap: 6px; }
.topbar b { color: #fff; font-weight: 600; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-text { line-height: 1.2; }
.brand-name { font-size: 22px; font-weight: 800; color: var(--ink); letter-spacing: .5px; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: 2.4px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 9px 15px; border-radius: 8px;
  font-size: 16px; font-weight: 500; color: var(--ink); transition: .22s;
}
.nav a:hover { color: var(--blue); background: var(--bg-2); }
.nav a.active { color: var(--blue); font-weight: 700; }
.nav a.active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px;
  height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan-2));
}
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-tel { font-size: 14px; color: var(--ink); font-weight: 600; display: flex; align-items: center; gap: 7px; }
.header-tel svg { color: var(--blue); }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1100px 520px at 78% -8%, #14548F 0%, transparent 60%),
              linear-gradient(155deg, #061428 0%, #0A2647 46%, #0D3A6E 100%);
  color: #fff; padding: 88px 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(120,180,255,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(120,180,255,.07) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(760px 520px at 30% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(760px 520px at 30% 30%, #000 20%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -190px; top: -230px;
  background: radial-gradient(circle, rgba(34,211,238,.28), transparent 68%);
  filter: blur(10px);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: #9FD3FF; background: rgba(34,211,238,.10); border: 1px solid rgba(34,211,238,.28);
  letter-spacing: .4px;
}
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(34,211,238,.18); }
.hero h1 { color: #fff; font-size: 50px; line-height: 1.3; margin: 22px 0 18px; letter-spacing: -1px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #58C8FF, #22D3EE 55%, #7FE7FF);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: 17px; color: rgba(226,238,255,.80); max-width: 560px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 30px; margin-top: 42px; flex-wrap: wrap; }
.hero-meta div { border-left: 2px solid rgba(34,211,238,.5); padding-left: 14px; }
.hero-meta b { display: block; font-size: 26px; color: #fff; font-weight: 800; letter-spacing: -.5px; }
.hero-meta span { font-size: 13px; color: rgba(200,220,245,.68); }

/* Hero visual — dashboard mock */
.hero-visual { position: relative; }
.panel {
  background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border: 1px solid rgba(160,205,255,.22);
  border-radius: var(--radius-lg);
  padding: 22px; backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px rgba(3,18,40,.5);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-head h4 { color: #fff; font-size: 15px; display: flex; align-items: center; gap: 9px; }
.dot-row { display: flex; gap: 6px; }
.dot-row i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.28); }
.kpi-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px; }
.kpi {
  background: rgba(255,255,255,.06); border: 1px solid rgba(160,205,255,.16);
  border-radius: 12px; padding: 12px 13px;
}
.kpi span { font-size: 12px; color: rgba(190,215,245,.72); }
.kpi b { display: block; font-size: 21px; color: #fff; font-weight: 800; margin-top: 2px; }
.kpi b small { font-size: 12px; font-weight: 600; color: var(--cyan); margin-left: 3px; }
.chart { height: 116px; display: flex; align-items: flex-end; gap: 8px; padding: 6px 4px 0; }
.chart i {
  flex: 1; border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, #34C8F5, #1668E3);
  opacity: .92; animation: grow 1.1s cubic-bezier(.2,.8,.25,1) both;
}
.chart i:nth-child(even) { background: linear-gradient(180deg, #6FE3C9, #16A394); }
@keyframes grow { from { height: 4px !important; opacity: .3; } }
.panel-foot { display: flex; justify-content: space-between; margin-top: 14px; font-size: 12px; color: rgba(190,215,245,.6); }
.badge-float {
  position: absolute; right: -12px; bottom: -22px;
  background: #fff; border-radius: 14px; padding: 13px 18px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 11px;
}
.badge-float .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--cyan-2)); color: #fff; }
.badge-float b { display: block; font-size: 14px; color: var(--ink); }
.badge-float span { font-size: 12px; color: var(--muted); }

/* ---------- Trust strip ---------- */
.trust { background: var(--bg); border-bottom: 1px solid var(--line); padding: 26px 0; }
.trust .wrap { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; justify-content: center; }
.trust p { font-size: 13px; color: var(--muted); letter-spacing: 1px; }
.trust ul { display: flex; gap: 34px; flex-wrap: wrap; justify-content: center; }
.trust li { font-size: 14px; color: #6C7F97; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.trust li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-2); }

/* ---------- Section ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--bg); }
.section.dark { background: linear-gradient(160deg, #061428, #0C3163); color: rgba(214,231,250,.82); }
.section.dark h2, .section.dark h3, .section.dark h4 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--blue); text-transform: uppercase; margin-bottom: 12px;
}
.section.dark .section-tag { color: var(--cyan); }
.section-head h2 { font-size: 34px; margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--body); }
.section.dark .section-head p { color: rgba(200,220,245,.78); }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 22px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: .3s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #C9DDF7; }
.card-ic {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,104,227,.12), rgba(34,211,238,.16));
  color: var(--blue); margin-bottom: 18px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--body); }
.card .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.card .tags span {
  font-size: 12px; color: var(--blue); background: var(--bg-2);
  border: 1px solid #D7E6FA; padding: 3px 10px; border-radius: 999px;
}

/* Product cards */
.product {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: .3s ease; display: flex; flex-direction: column;
}
.product:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #BFD8F5; }
.product-top {
  padding: 26px 26px 22px;
  background: linear-gradient(150deg, #0A2647, #12457F);
  color: #fff; position: relative; overflow: hidden;
}
.product-top::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 150px; height: 150px;
  border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.35), transparent 70%);
}
.product-top .pid { font-size: 12px; letter-spacing: 2px; color: var(--cyan); font-weight: 700; }
.product-top h3 { color: #fff; font-size: 20px; margin: 8px 0 6px; }
.product-top p { font-size: 13.5px; color: rgba(205,225,248,.82); }
.product-body { padding: 22px 26px 26px; flex: 1; }
.product-body ul { display: grid; gap: 10px; }
.product-body li { font-size: 14.5px; color: var(--body); display: flex; gap: 10px; align-items: flex-start; }
.product-body li::before {
  content: ""; flex: none; width: 16px; height: 16px; margin-top: 4px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan-2));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* Stats band */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(150,200,255,.18);
  border-radius: var(--radius); overflow: hidden; }
.stats div { background: rgba(255,255,255,.04); padding: 30px 24px; text-align: center; }
.stats b { display: block; font-size: 38px; font-weight: 800; color: #fff; letter-spacing: -1px; }
.stats b em { font-style: normal; font-size: 24px; color: var(--cyan); margin-left: 3px; }
.stats span { font-size: 14px; color: rgba(198,220,246,.74); }

/* Feature split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.rev .txt { order: 2; }
.split h2 { font-size: 30px; margin-bottom: 16px; }
.split p { font-size: 15.5px; margin-bottom: 16px; }
.checks { display: grid; gap: 12px; margin-top: 22px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--ink); }
.checks li i {
  flex: none; width: 22px; height: 22px; border-radius: 50%; margin-top: 2px;
  background: linear-gradient(135deg, var(--blue), var(--cyan-2)); color: #fff;
  display: grid; place-items: center; font-size: 12px; font-style: normal; font-weight: 700;
}
.split-visual {
  border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff;
  box-shadow: var(--shadow); padding: 30px;
}

/* Architecture diagram (pure CSS) */
.arch { display: grid; gap: 12px; }
.arch-node {
  border-radius: 12px; padding: 14px 16px; font-size: 14px; font-weight: 600; color: #fff;
  background: linear-gradient(120deg, #0F4C90, #1668E3); display: flex; align-items: center; gap: 10px;
}
.arch-node.l2 { background: linear-gradient(120deg, #12457F, #1D7FD4); }
.arch-node.l3 { background: linear-gradient(120deg, #0E7C8C, #12B6C9); }
.arch-node small { font-weight: 400; opacity: .8; font-size: 12.5px; margin-left: auto; }
.arch-arrow { text-align: center; color: #B9CFE9; font-size: 15px; line-height: 1; }

/* News */
.news-item {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 22px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; transition: .26s ease;
}
.news-item:hover { border-color: #BFD8F5; box-shadow: var(--shadow); transform: translateX(4px); }
.news-date { text-align: center; border-right: 1px solid var(--line); padding-right: 20px; }
.news-date b { display: block; font-size: 26px; color: var(--blue); font-weight: 800; line-height: 1.1; }
.news-date span { font-size: 12.5px; color: var(--muted); }
.news-item h4 { font-size: 16.5px; margin-bottom: 6px; }
.news-item p { font-size: 14px; color: var(--body); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

/* Case / honor */
.honor {
  display: flex; align-items: center; gap: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; transition: .26s;
}
.honor:hover { border-color: #BFD8F5; box-shadow: var(--shadow-sm); }
.honor .hi { width: 40px; height: 40px; flex: none; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,104,227,.12), rgba(34,211,238,.18)); color: var(--blue); }
.honor b { display: block; font-size: 14.5px; color: var(--ink); }
.honor span { font-size: 12.5px; color: var(--muted); }

/* CTA band */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(130deg, #0A2647, #12457F 55%, #0E7C8C);
  color: #fff; padding: 54px 56px; display: flex; align-items: center;
  justify-content: space-between; gap: 34px; flex-wrap: wrap;
}
.cta-band::after {
  content: ""; position: absolute; right: -80px; bottom: -110px; width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(34,211,238,.32), transparent 68%);
}
.cta-band h3 { color: #fff; font-size: 27px; margin-bottom: 10px; }
.cta-band p { color: rgba(212,232,252,.84); font-size: 15px; }
.cta-band .acts { display: flex; gap: 14px; position: relative; z-index: 2; flex-wrap: wrap; }

/* Page hero (sub pages) */
.page-hero {
  position: relative; overflow: hidden; padding: 66px 0 62px;
  background: radial-gradient(900px 420px at 82% -20%, #14548F, transparent 62%),
              linear-gradient(150deg, #061428, #0A2647 60%, #0D3A6E);
  color: #fff;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(120,180,255,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(120,180,255,.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(680px 380px at 20% 40%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(680px 380px at 20% 40%, #000, transparent 76%);
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 38px; margin-bottom: 12px; }
.page-hero p { color: rgba(212,232,252,.80); font-size: 16px; max-width: 720px; }
.crumb { font-size: 13px; color: rgba(180,206,236,.68); margin-bottom: 16px; }
.crumb a:hover { color: var(--cyan); }

/* Info list / table */
.info-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.info-table th, .info-table td { text-align: left; padding: 15px 20px; font-size: 14.5px; border-bottom: 1px solid var(--line); }
.info-table th { width: 190px; background: var(--bg); color: var(--ink); font-weight: 600; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: none; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 30px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; }
.contact-item { display: flex; gap: 15px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.contact-item:last-child { border-bottom: none; }
.contact-item .ci { width: 44px; height: 44px; flex: none; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,104,227,.12), rgba(34,211,238,.18)); color: var(--blue); }
.contact-item b { display: block; font-size: 14px; color: var(--muted); font-weight: 500; margin-bottom: 2px; }
.contact-item p { font-size: 16px; color: var(--ink); font-weight: 600; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--ink); font-weight: 600; margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 15px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 14.5px; color: var(--ink); background: #FBFDFF; transition: .22s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(22,104,227,.10);
}
.field textarea { resize: vertical; min-height: 116px; }
.field .req { color: #E05252; font-weight: 700; }
.field input.is-invalid, .field textarea.is-invalid { border-color: #E05252; background: #FFF9F9; box-shadow: 0 0 0 4px rgba(224,82,82,.10); }
.btn[disabled] { opacity: .72; cursor: not-allowed; }

.map-box {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line);
  height: 100%; min-height:260px;
  display: grid; place-items: center; text-align: center; 
}
.map-box .pin { width: 54px; height: 54px; margin: 0 auto 14px; color: var(--blue); }
.map-box b { color: var(--ink); display: block; font-size: 17px; margin-bottom: 6px; }
.map-box span { color: var(--body); font-size: 14px; }

/* Article (policy pages) */
.article { max-width: 900px; margin: 0 auto; }
.article h2 { font-size: 22px; margin: 34px 0 12px; }
.article h3 { font-size: 17px; margin: 22px 0 10px; }
.article p { font-size: 15px; margin-bottom: 12px; color: var(--body); }
.article .lead { font-size: 15.5px; color: var(--body); background: var(--bg); border-left: 3px solid var(--blue); padding: 16px 20px; border-radius: 0 10px 10px 0; }

/* ---------- 项目案例：系统图文切换展示 ---------- */
.sys-showcase { display: grid; grid-template-columns: 1.05fr 1fr; gap: 46px; align-items: center; margin-bottom: 36px; }
.sys-shot, .sys-info { transition: opacity .22s ease, transform .22s ease; }
.sys-showcase.switching .sys-shot, .sys-showcase.switching .sys-info { opacity: 0; transform: translateY(10px); }
.sys-shot img { width: 100%; height: auto; display: block; }
.sys-info h3 { font-size: 24px; color: var(--blue); margin-bottom: 14px; }
.sys-info p { font-size: 15px; color: var(--body); line-height: 2.05; }
.sys-tabs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.sys-tab {
  border: 1px solid var(--line); background: #F6F8FB; color: #3E4E63;
  font-family: inherit; font-size: 14px; padding: 13px 8px; text-align: center;
  border-radius: 8px; cursor: pointer; transition: .22s;
}
.sys-tab:hover { color: var(--blue); border-color: #BFD8F5; background: #EEF5FE; }
.sys-tab.active {
  background: linear-gradient(135deg, var(--blue), #3F8BFF); color: #fff;
  border-color: transparent; box-shadow: 0 8px 18px rgba(22,104,227,.28);
}
.sys-tab:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* ---------- Footer ---------- */
.site-footer { background: #f4f7fb; border-top: 1px solid #e4eaf2; color: #66788c; padding: 38px 0 34px; font-size: 14px; text-align: center; }
.footer-nav { display: flex; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.footer-nav a { color: #33475c; font-size: 15px; padding: 2px 26px; position: relative; transition: .2s; }
.footer-nav a + a::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 14px; background: #c5d0dd; }
.footer-nav a:hover { color: var(--blue); }
.footer-line { font-size: 13.5px; line-height: 2.15; color: #66788c; }
.footer-line a { color: #66788c; text-decoration: underline; text-underline-offset: 3px; }
.footer-line a:hover { color: var(--blue); }
.footer-copy { margin-top: 18px; font-size: 13px; color: #8494a6; }
.footer-copy a { color: #8494a6; }
.footer-copy a:hover { color: var(--blue); }


/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.8,.25,1), transform .7s cubic-bezier(.2,.8,.25,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero h1 { font-size: 42px; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .nav { display: none; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px; gap: 2px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { width: 100%; }
  .nav-toggle { display: block; }
  .header-tel { display: none; }
  .g-3, .g-2, .split, .contact-grid { grid-template-columns: 1fr; }
  .split.rev .txt { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 34px; }
  .section { padding: 62px 0; }
  .section-head h2 { font-size: 26px; }
  .cta-band { padding: 36px 28px; }
  .cta-band h3 { font-size: 22px; }
  .news-item { grid-template-columns: 70px 1fr; }
  .news-date { padding-right: 14px; }
  .news-item > .btn { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .badge-float { position: static; margin-top: 18px; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 18px; }
  .g-4 { grid-template-columns: 1fr; }
  .topbar .tl span:nth-child(n+3) { display: none; }
  .hero-meta { gap: 20px; }
}