:root {
  --navy: #0d2c4b;
  --navy-2: #123c66;
  --navy-3: #16558f;
  --accent: #e2a23b;
  --accent-dark: #c98a24;
  --ink: #22303c;
  --muted: #5b6b7b;
  --line: #dfe6ec;
  --bg: #f6f8fa;
  --white: #ffffff;
  --ok: #1e7f4f;
  --err: #b3372f;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(13, 44, 75, .10);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--navy-3); text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; color: var(--navy); }
p { margin: 0 0 1em; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ---------- topbar ---------- */
.topbar { background: var(--navy); color: #cfe0f0; font-size: 13px; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 38px; flex-wrap: wrap; }
.topbar-contact { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar-contact a { color: #cfe0f0; }
.topbar-contact a:hover { color: #fff; }
.topbar-lang { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.topbar-lang a { color: #9fb8cf; padding: 2px 8px; border-radius: 20px; font-size: 12px; }
.topbar-lang a.on { background: rgba(255,255,255,.14); color: #fff; }

/* ---------- header ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.header-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark {
  font-size: 26px; font-weight: 800; letter-spacing: .06em; color: var(--navy);
  border-left: 5px solid var(--accent); padding-left: 10px; line-height: 1;
}
.brand-sub { font-size: 12px; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; }
.brand-light .brand-mark { color: #fff; }
.brand-light .brand-sub { color: #b9cde0; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--ink); font-weight: 600; font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a.on, .nav a:hover { color: var(--navy-3); border-bottom-color: var(--accent); }
.nav-cta { border: none !important; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 6px; border: 1px solid transparent;
  font-weight: 700; font-size: 15px; cursor: pointer; transition: .18s;
}
.btn-accent { background: var(--accent); color: #20303f; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-line { background: #fff; color: var(--navy-3); border-color: var(--navy-3); }
.btn-line:hover { background: var(--navy-3); color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: #e9eef3; }
.btn-small { padding: 6px 12px; font-size: 13px; background: var(--navy-3); color: #fff; border: 0; border-radius: 5px; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, var(--navy-3) 100%); color: #eaf2f9; }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 74px 22px 84px; }
.kicker {
  display: inline-block; text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 700;
  color: var(--accent); border: 1px solid rgba(226,162,59,.5); padding: 5px 12px; border-radius: 20px; margin-bottom: 18px;
}
.hero h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); margin-bottom: 18px; }
.hero p { color: #c6d8e8; font-size: 17px; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 34px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 30px; color: #fff; }
.hero-stats span { font-size: 13px; color: #9fb8cf; }
.hero-art { position: relative; min-height: 320px; }
.hero-globe {
  position: absolute; inset: 8% 6%; border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, rgba(255,255,255,.16), transparent 46%),
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(255,255,255,.10) 34px 35px),
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(255,255,255,.10) 34px 35px);
  border: 1px solid rgba(255,255,255,.22);
}
.hero-card {
  position: absolute; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(3px); border-radius: 8px; padding: 10px 16px; font-size: 14px; font-weight: 600; color: #fff;
}
.hero-card span { color: var(--accent); margin-right: 8px; }
.hc1 { top: 6%; left: 2%; }
.hc2 { top: 44%; right: 0; }
.hc3 { bottom: 4%; left: 12%; }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.section-tight { padding: 34px 0 54px; }
.section-alt { background: var(--bg); }
.sec-head { margin-bottom: 34px; }
.sec-head h2 { font-size: 30px; }
.sec-head p { color: var(--muted); font-size: 16px; margin: 0; }
.sec-head.row { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }

/* ---------- categories ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  display: block; color: var(--ink); transition: .18s; position: relative;
}
.cat-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #c8d6e2; }
.cat-ico {
  width: 52px; height: 52px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; color: #fff;
}
.cat-ico svg { width: 28px; height: 28px; }
.ci1 { background: #2e7d5b; } .ci2 { background: #16558f; } .ci3 { background: #5a6572; }
.ci4 { background: #8a5a2b; } .ci5 { background: #a34a6b; } .ci6 { background: #2b7f8a; }
.cat-card h3 { font-size: 19px; margin-bottom: 8px; }
.cat-card p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.cat-count { color: var(--navy-3); font-weight: 700; font-size: 14px; }

/* ---------- products ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; color: var(--ink); transition: .18s;
}
.prod-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.prod-img { aspect-ratio: 4 / 3; background: #eef2f6; overflow: hidden; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.prod-card:hover .prod-img img { transform: scale(1.04); }
.prod-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.prod-cat { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-3); font-weight: 700; }
.prod-body h3 { font-size: 16px; margin: 0; }
.prod-body p { color: var(--muted); font-size: 13.5px; margin: 0; flex: 1; }
.prod-cta { color: var(--accent-dark); font-weight: 700; font-size: 13.5px; }

/* ---------- why / steps ---------- */
.why-grid, .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card, .step-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.why-card span, .step-card span {
  display: inline-flex; width: 40px; height: 40px; border-radius: 50%; background: var(--navy);
  color: var(--accent); font-weight: 800; align-items: center; justify-content: center; margin-bottom: 14px; font-size: 15px;
}
.why-card h3, .step-card h3 { font-size: 17px; }
.why-card p, .step-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- cta band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy-2), var(--navy-3)); color: #fff; }
.cta-in { display: flex; justify-content: space-between; align-items: center; gap: 26px; padding: 44px 22px; flex-wrap: wrap; }
.cta-in h2 { color: #fff; font-size: 26px; margin-bottom: 6px; }
.cta-in p { color: #c6d8e8; margin: 0; }

/* ---------- page head / crumbs ---------- */
.page-head { background: var(--bg); border-bottom: 1px solid var(--line); padding: 34px 0; }
.page-head h1 { font-size: 32px; margin: 8px 0 6px; }
.page-head p { color: var(--muted); margin: 0; }
.crumbs { font-size: 13px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--navy-3); }

/* ---------- filter chips ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.chip {
  padding: 8px 16px; border-radius: 20px; border: 1px solid var(--line); background: #fff;
  color: var(--ink); font-size: 14px; font-weight: 600;
}
.chip.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.chip:hover:not(.on) { border-color: var(--navy-3); color: var(--navy-3); }

/* ---------- product detail ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.gal-main {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; aspect-ratio: 4 / 3;
}
.gal-main img { width: 100%; height: 100%; object-fit: contain; }
.ph-badge {
  position: absolute; left: 0; right: 0; bottom: 0; background: rgba(13,44,75,.85); color: #fff;
  font-size: 12.5px; padding: 8px 12px; text-align: center;
}
.gal-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.gal-thumb {
  width: 74px; height: 60px; padding: 0; border: 2px solid var(--line); border-radius: 6px; overflow: hidden;
  background: #fff; cursor: pointer;
}
.gal-thumb.on { border-color: var(--navy-3); }
.gal-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gal-video { margin-top: 16px; }
.gal-video-label { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.gal-video video { width: 100%; border-radius: var(--radius); background: #000; }
.detail-info h1 { font-size: 30px; }
.detail-short { font-size: 16px; color: var(--ink); font-weight: 600; }
.detail-long { color: var(--muted); font-size: 15px; }
.detail-h { font-size: 19px; margin: 26px 0 12px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; vertical-align: top; }
.spec-table th { background: var(--bg); color: var(--navy); width: 38%; font-weight: 700; }
.detail-contact { display: flex; align-items: center; gap: 18px; margin-top: 26px; flex-wrap: wrap; }
.detail-mail { color: var(--muted); font-size: 15px; text-decoration: underline; }
.detail-tel { font-weight: 700; color: var(--navy); font-size: 16px; }

/* ---------- forms ---------- */
.order-wrap { max-width: 860px; }
.order-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-wide { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px; font: inherit; color: var(--ink);
  background: #fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid rgba(22,85,143,.35); border-color: var(--navy-3);
}
.form-note { font-size: 12.5px; color: var(--muted); margin: 14px 0; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { border-radius: 6px; padding: 13px 18px; margin-bottom: 18px; font-weight: 600; font-size: 14.5px; }
.alert-ok { background: #e5f4ec; color: var(--ok); border: 1px solid #bfe3cf; }
.alert-err { background: #fbeceb; color: var(--err); border: 1px solid #eec6c3; }
.order-product { display: flex; gap: 14px; align-items: center; background: #f5f8fb; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-bottom: 20px; }
.order-product img { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); background: #fff; flex: 0 0 64px; }
.order-product .op-label { display: block; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.order-product strong { display: block; color: var(--navy); font-size: 15.5px; margin: 2px 0; }
.order-product .op-note { display: block; font-size: 12.5px; color: var(--muted); }
.msg-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: grid; gap: 16px; }
.msg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.msg-form textarea { min-height: 160px; }
.contact-form-sub { color: var(--muted); font-size: 14.5px; margin: 6px 0 16px; }
.contact-note { margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.contact-note a { font-weight: 700; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
.contact-info h2, .contact-form-wrap h2 { font-size: 22px; }
.ci-row { display: flex; gap: 14px; margin-bottom: 20px; }
.ci-ico {
  flex: 0 0 42px; height: 42px; border-radius: 50%; background: var(--navy); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.ci-row strong { display: block; color: var(--navy); font-size: 14px; }
.ci-row a, .ci-row span { color: var(--muted); font-size: 15px; }

/* ---------- about ---------- */
.prose { max-width: 860px; }
.prose p { font-size: 16px; color: var(--ink); }
.qual-band {
  margin-top: 34px; background: #fff; border-left: 5px solid var(--accent); border-radius: 8px;
  padding: 22px 26px; box-shadow: var(--shadow);
}
.qual-band h3 { font-size: 18px; }
.qual-band p { color: var(--muted); margin: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: #b9cde0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; padding: 52px 22px 40px; }
.f-col h4 { color: #fff; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.f-col a, .f-col span { display: block; color: #b9cde0; font-size: 14.5px; margin-bottom: 9px; }
.f-col a:hover { color: #fff; }
.f-col a.on { color: var(--accent); font-weight: 700; }
.f-brand p { font-size: 14.5px; margin-top: 14px; }
.footer-base { border-top: 1px solid rgba(255,255,255,.14); font-size: 13px; }
.footer-base .wrap { padding-top: 18px; padding-bottom: 18px; }

/* ---------- admin ---------- */
.admin-body { background: var(--bg); }
.admin-body .wrap { max-width: 1760px; }
.admin-login {
  max-width: 380px; margin: 10vh auto; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow);
}
.admin-login h1 { font-size: 22px; }
.admin-login label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy); margin-bottom: 14px; }
.admin-login input { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px; font: inherit; margin-top: 6px; }
.admin-top { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; }
.admin-main { padding-bottom: 60px; }
.admin-main h2 { font-size: 20px; margin: 30px 0 14px; }
.table-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table td { overflow-wrap: anywhere; }
.admin-table th, .admin-table td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.admin-table th { background: var(--navy); color: #fff; font-size: 12.5px; letter-spacing: .04em; }
.admin-table .row-new { background: #fff8ea; }
.admin-table .muted, .muted { color: var(--muted); font-size: 12px; }
.cell-msg { max-width: 460px; white-space: pre-wrap; }
.cell-act { white-space: nowrap; }
.cell-act form { display: inline-block; margin: 0 6px 0 0; vertical-align: top; }
.cell-act form:last-child { margin-right: 0; }
.btn-del { background: #b4232a; }
.btn-del:hover { background: #8f1b21; }
.pager { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; }
.pager .btn-small { text-decoration: none; line-height: 1; }
.pager-cur { font-size: 13px; color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-in { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 16px 22px; border-bottom: 1px solid var(--line); gap: 14px; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid, .msg-row { grid-template-columns: 1fr; }
  .cat-grid, .why-grid, .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .prod-grid { grid-template-columns: 1fr; }
}