/* KELIJIA site styles */
:root {
  --blue: #1180c3;
  --blue-light: #1a91d1;
  --blue-deep: #025392;
  --blue-dark: #023a63;
  --orange: #e5803c;
  --ink: #1d2b3a;
  --muted: #5c6b7a;
  --line: #dfe7ee;
  --bg-alt: #f4f8fb;
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background: #fff;
}

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

.container { width: min(1180px, 92%); margin: 0 auto; }

section { scroll-margin-top: 84px; }

.topbar { background: var(--blue-dark); color: #cfe3f2; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; gap: 16px; padding: 6px 0; }
.topbar-contact { display: flex; gap: 18px; }
.topbar-contact a:hover { color: #fff; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--line);
  transition: box-shadow .25s;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(2, 58, 99, .12); }
.header-inner { display: flex; align-items: center; gap: 28px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 96px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; letter-spacing: .5px; color: var(--blue-dark); }
.brand-text em { font-style: normal; font-size: 11px; color: var(--muted); }

.main-nav { display: flex; gap: 26px; }
.main-nav a { font-size: 15px; font-weight: 600; color: var(--ink); padding: 6px 0; position: relative; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 3px; background: var(--orange); transition: right .25s;
}
.main-nav a:hover::after, .main-nav a.active::after { right: 0; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }

.header-cta {
  background: var(--blue); color: #fff; font-size: 14px; font-weight: 600;
  padding: 9px 20px; border-radius: var(--radius);
}
.header-cta:hover { background: var(--blue-deep); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--blue-dark); margin: 5px 0; }

.hero { background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-deep) 70%, var(--blue) 100%); color: #fff; }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 76px 0 64px; }
.hero-eyebrow { color: var(--orange); font-weight: 700; letter-spacing: 2px; font-size: 14px; }
.hero h1 { font-size: 44px; line-height: 1.25; margin: 14px 0 18px; }
.hero-sub { color: #cfe3f2; font-size: 16px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin: 28px 0 26px; }

.btn { display: inline-block; padding: 12px 30px; border-radius: var(--radius); font-size: 15px; font-weight: 600; border: 0; cursor: pointer; }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: #cf6c2a; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }

.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li {
  font-size: 13px; color: #eaf4fb; padding: 5px 14px;
  border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px;
}

.hero-visual { position: relative; }
.hero-visual img {
  width: 100%; border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  background: #fff;
}
.hero-visual-tag {
  position: absolute; left: 18px; bottom: 18px;
  background: rgba(2, 58, 99, .85); color: #fff;
  font-size: 13px; padding: 6px 14px; border-radius: 4px;
}

.hero-stats { background: rgba(255, 255, 255, .08); border-top: 1px solid rgba(255, 255, 255, .16); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-inner > div { padding: 22px 12px; text-align: center; border-left: 1px solid rgba(255, 255, 255, .14); }
.stats-inner > div:first-child { border-left: 0; }
.stats-inner strong { display: block; font-size: 30px; color: #fff; }
.stats-inner span { font-size: 13px; color: #bcd8ec; }

.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--blue-dark); color: #fff; }

.section-head { margin-bottom: 40px; }
.section-head h2 { font-size: 30px; color: var(--blue-dark); position: relative; padding-left: 16px; }
.section-head h2::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; background: var(--orange); border-radius: 2px; }
.section-head p { color: var(--muted); font-size: 13px; letter-spacing: 2px; margin-top: 6px; padding-left: 16px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: #9cc3de; }

.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.about-copy p { margin-bottom: 14px; color: #33475b; }
.about-list { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; }
.about-list li { position: relative; padding-left: 20px; font-weight: 600; color: var(--blue-deep); }
.about-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; background: var(--orange); border-radius: 2px; }
.about-figure img { border-radius: var(--radius); width: 100%; }
.about-figure figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); text-align: center; }

.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.equip-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.equip-card.wide { grid-column: span 2; }
.equip-card img { width: 100%; height: 220px; object-fit: cover; }
.equip-card.wide img { height: 260px; }
.equip-card figcaption { padding: 14px 18px; }
.equip-card strong { display: block; color: var(--blue-dark); font-size: 16px; }
.equip-card span { font-size: 13px; color: var(--muted); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(2, 58, 99, .14); }
.product-media { height: 240px; overflow: hidden; background: var(--bg-alt); }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-body { padding: 20px 22px 24px; }
.product-body h3 { color: var(--blue-dark); font-size: 19px; margin-bottom: 8px; }
.product-body p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { font-size: 12px; color: var(--blue-deep); background: #e8f3fb; padding: 4px 10px; border-radius: 4px; }

.product-slim-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 22px; }
.product-slim {
  border-left: 4px solid var(--blue); background: var(--bg-alt);
  border-radius: var(--radius); padding: 20px 24px;
}
.product-slim h3 { color: var(--blue-dark); font-size: 17px; margin-bottom: 6px; }
.product-slim p { font-size: 14px; color: var(--muted); }

.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.solution-card { background: #fff; border-radius: var(--radius); overflow: hidden; color: var(--ink); }
.solution-card img { width: 100%; height: 260px; object-fit: cover; }
.solution-body { padding: 22px 24px 26px; }
.solution-body h3 { color: var(--blue-dark); font-size: 20px; margin-bottom: 8px; }
.solution-body p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { display: grid; gap: 16px; }
.contact-item { background: var(--bg-alt); border-radius: var(--radius); padding: 16px 20px; display: flex; gap: 16px; align-items: baseline; }
.ci-label { flex: 0 0 52px; font-weight: 700; color: var(--blue); }
.contact-item a:hover { color: var(--blue); text-decoration: underline; }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; box-shadow: 0 10px 30px rgba(2, 58, 99, .08); }
.contact-form h3 { color: var(--blue-dark); margin-bottom: 16px; }
.contact-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.contact-form input, .contact-form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 6px; font: inherit; font-size: 14px; color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid rgba(17, 128, 195, .35); border-color: var(--blue); }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 10px; }

.site-footer { background: #041f38; color: #9cc3de; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 30px 0; }
.footer-inner img { width: 88px; margin-bottom: 8px; filter: brightness(1.6); }
.footer-inner p { font-size: 13px; }
.footer-copy { text-align: right; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 48px; }
  .hero h1 { font-size: 34px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stats-inner > div:nth-child(3) { border-left: 0; }
  .about-grid, .contact-grid, .solution-grid, .product-slim-row { grid-template-columns: 1fr; }
  .equip-grid, .product-grid { grid-template-columns: 1fr 1fr; }
  .equip-card.wide { grid-column: span 2; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav a { padding: 13px 5%; border-top: 1px solid var(--bg-alt); }
  .main-nav a::after { display: none; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .topbar-inner span:first-child { display: none; }
}

@media (max-width: 620px) {
  .equip-grid, .product-grid { grid-template-columns: 1fr; }
  .equip-card.wide { grid-column: span 1; }
  .brand-text em { display: none; }
  .brand-text strong { font-size: 15px; }
  .hero h1 { font-size: 29px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-copy { text-align: center; }
}