/* ==========================================================
   PWRBLADE CONNECTOR — Global Stylesheet
   Design language: industrial precision, deep navy + electric blue
   ========================================================== */

:root {
  --brand: #0B5FFF;
  --brand-dark: #0846BF;
  --accent: #00A3E0;
  --navy: #0B1F3A;
  --navy-2: #12294A;
  --ink: #1A2436;
  --ink-2: #4A5768;
  --ink-3: #7A8798;
  --line: #E3E9F2;
  --line-2: #EEF2F8;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FC;
  --bg-soft-2: #EDF3FA;
  --ok: #12A150;
  --warn: #E8912A;
  --err: #D64545;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, .06), 0 1px 3px rgba(11, 31, 58, .04);
  --shadow: 0 4px 14px rgba(11, 31, 58, .08);
  --shadow-lg: 0 14px 38px rgba(11, 31, 58, .13);
  --wrap: 1280px;
  --head-h: 76px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--brand-dark); }
h1, h2, h3, h4, h5 { color: var(--navy); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* ---------------- layout ---------------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.section { padding: 62px 0; }
.section-sm { padding: 40px 0; }
.bg-soft { background: var(--bg-soft); }
.bg-navy { background: var(--navy); color: #D6E1F0; }
.bg-navy h2, .bg-navy h3 { color: #fff; }

.sec-head { text-align: center; max-width: 760px; margin: 0 auto 42px; }
.sec-head .eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.6px;
  text-transform: uppercase; color: var(--brand); margin-bottom: 10px;
}
.sec-head h2 { font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 12px; letter-spacing: -.3px; }
.sec-head p { color: var(--ink-2); font-size: 16px; margin: 0; }

/* ---------------- header ---------------- */
.topbar {
  background: var(--navy); color: #A9BDD6; font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 40px; }
.topbar a { color: #C9D8EA; }
.topbar a:hover { color: #fff; }
.topbar .tb-left, .topbar .tb-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar .tb-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.topbar svg { width: 14px; height: 14px; opacity: .85; flex: none; }

.site-head {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: var(--head-h); }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 44px; width: auto; }
.brand .tagline {
  font-size: 11px; color: var(--ink-3); border-left: 1px solid var(--line);
  padding-left: 14px; margin-left: 4px; line-height: 1.35;
}
.brand .tagline b { display: block; color: var(--navy); font-size: 12.5px; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.main-nav li { position: relative; }
.main-nav > ul > li > a {
  display: flex; align-items: center; gap: 5px; padding: 10px 13px;
  font-size: 14.5px; font-weight: 600; color: var(--ink); border-radius: 8px;
}
.main-nav > ul > li > a:hover { background: var(--bg-soft-2); color: var(--navy); }
.main-nav > ul > li.active > a { color: var(--brand); }

.dropdown { position: absolute; top: calc(100% + 6px); left: 0; min-width: 260px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all .2s var(--ease); z-index: 60; }
.main-nav li:hover > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 9px 12px; border-radius: 7px; font-size: 14px; color: var(--ink); font-weight: 500; }
.dropdown a:hover { background: var(--bg-soft-2); color: var(--brand); }
.dropdown .dd-desc { font-size: 12px; color: var(--ink-3); font-weight: 400; margin-top: 1px; line-height: 1.4; }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line);
  background: #fff; display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--ink-2); transition: all .18s var(--ease);
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--bg-soft); }
.icon-btn svg { width: 18px; height: 18px; }
.lang-switch {
  display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: #fff;
}
.lang-switch a { padding: 9px 11px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.lang-switch a.active { background: var(--brand); color: #fff; }

.burger { display: none; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 9px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: all .2s var(--ease);
  white-space: nowrap; text-align: center;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 12px rgba(11, 95, 255, .26); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 7px 18px rgba(11, 95, 255, .32); }
.btn-outline { border-color: var(--brand); color: var(--brand); background: #fff; }
.btn-outline:hover { background: var(--brand); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--bg-soft-2); color: var(--navy); }
.btn-sm { padding: 8px 15px; font-size: 13.5px; border-radius: 8px; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none !important; }

/* ---------------- breadcrumb ---------------- */
.crumb { background: var(--bg-soft); border-bottom: 1px solid var(--line); font-size: 13.5px; }
.crumb .wrap { padding: 12px 20px; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; color: var(--ink-3); }
.crumb a { color: var(--ink-2); }
.crumb a:hover { color: var(--brand); }
.crumb .sep { opacity: .5; }

/* ---------------- page hero ---------------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy) 0%, #16386B 58%, #0E4E8A 100%);
  color: #fff; padding: 54px 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; right: -70px; top: -70px; width: 340px; height: 340px;
  border-radius: 50%; background: radial-gradient(circle, rgba(0, 195, 255, .3), transparent 68%);
}
.page-hero h1 { color: #fff; font-size: clamp(26px, 3.6vw, 38px); margin: 0 0 8px; position: relative; }
.page-hero p { color: #B9CCE5; margin: 0; font-size: 16px; max-width: 720px; position: relative; }

/* ---------------- hero / slider ---------------- */
.hero { position: relative; background: var(--navy); overflow: hidden; }
.hero-track { display: flex; transition: transform .55s var(--ease); }
.hero-slide { min-width: 100%; position: relative; }
.hero-slide .hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-slide .hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(6, 22, 46, .95) 0%, rgba(8, 30, 62, .84) 48%, rgba(10, 40, 80, .6) 100%);
}
.hero-inner { position: relative; padding: 82px 0 88px; max-width: 660px; }
.hero-inner .eyebrow {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; color: #6FD8FF;
  background: rgba(0, 195, 255, .13); border: 1px solid rgba(0, 195, 255, .3);
  padding: 6px 13px; border-radius: 999px; margin-bottom: 18px;
}
.hero-inner h1 { color: #fff; font-size: clamp(27px, 4.2vw, 45px); line-height: 1.18; margin-bottom: 16px; letter-spacing: -.5px; }
.hero-inner p { color: #C3D4E8; font-size: 16.5px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.hero-dots button {
  width: 30px; height: 4px; border-radius: 3px; border: 0; cursor: pointer;
  background: rgba(255, 255, 255, .32); transition: all .25s var(--ease);
}
.hero-dots button.active { background: var(--accent); width: 46px; }

.hero-stats { background: var(--navy-2); border-top: 1px solid rgba(255, 255, 255, .08); }
.hero-stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-stats .stat { padding: 26px 16px; text-align: center; border-right: 1px solid rgba(255, 255, 255, .07); }
.hero-stats .stat:last-child { border-right: 0; }
.hero-stats .stat b { display: block; color: #fff; font-size: 30px; font-weight: 700; line-height: 1.1; }
.hero-stats .stat span { color: #94AECB; font-size: 13px; }

/* ---------------- category cards ---------------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; }
.cat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 24px; transition: all .24s var(--ease); position: relative; overflow: hidden;
}
.cat-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--accent)); transform: scaleY(0);
  transition: transform .24s var(--ease); transform-origin: top;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cat-card:hover::before { transform: scaleY(1); }
.cat-card h3 { font-size: 18px; margin-bottom: 10px; }
.cat-card p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 14px; }
.cat-card .cc-foot { display: flex; align-items: center; justify-content: space-between; }
.cat-card .cc-count {
  font-size: 12.5px; font-weight: 700; color: var(--brand);
  background: rgba(11, 95, 255, .09); padding: 3px 10px; border-radius: 999px;
}

/* ---------------- product cards ---------------- */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 22px; }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: all .24s var(--ease); position: relative;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #D4E2F5; }
.prod-thumb {
  position: relative; aspect-ratio: 4 / 3; background: #fff;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  border-bottom: 1px solid var(--line-2); padding: 12px;
}
.prod-thumb img { max-height: 100%; width: auto; object-fit: contain; transition: transform .35s var(--ease); }
.prod-card:hover .prod-thumb img { transform: scale(1.06); }
.prod-thumb .ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #C3CEDD; }
.prod-thumb .ph svg { width: 54px; height: 54px; opacity: .5; }
.prod-badge {
  position: absolute; top: 10px; left: 10px; background: var(--brand); color: #fff;
  font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 6px; letter-spacing: .3px;
}
.prod-body { padding: 16px 17px 18px; flex: 1; display: flex; flex-direction: column; }
.prod-cat { font-size: 11.5px; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: .7px; margin-bottom: 6px; }
.prod-card h3 {
  font-size: 14.5px; line-height: 1.45; margin-bottom: 8px; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.prod-card h3 a { color: var(--navy); }
.prod-card:hover h3 a { color: var(--brand); }
.prod-card .p-sku { font-size: 12.5px; color: var(--ink-3); font-family: "Consolas", "SF Mono", monospace; margin-bottom: 9px; }
.prod-card .p-sum {
  font-size: 13px; color: var(--ink-2); margin-bottom: 13px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.prod-card .p-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

/* ---------------- product detail ---------------- */
.pd-layout { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 34px; align-items: start; }
.pd-gallery { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.pd-main { aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; padding: 26px; background: #fff; }
.pd-main img { max-height: 100%; max-width: 100%; object-fit: contain; }
.pd-thumbs { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line-2); overflow-x: auto; }
.pd-thumbs img {
  width: 68px; height: 54px; object-fit: contain; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer; padding: 4px; background: #fff; flex: none; transition: all .18s var(--ease);
}
.pd-thumbs img.active, .pd-thumbs img:hover { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(11, 95, 255, .12); }

.pd-title { font-size: clamp(21px, 2.7vw, 28px); margin-bottom: 12px; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600;
  padding: 5px 12px; border-radius: 999px; background: var(--bg-soft-2); color: var(--ink-2);
}
.chip-brand { background: rgba(11, 95, 255, .1); color: var(--brand); }
.chip-ok { background: rgba(18, 161, 80, .11); color: var(--ok); }

.pd-block { margin-bottom: 26px; }
.pd-block h2 { font-size: 19px; padding-bottom: 10px; border-bottom: 2px solid var(--line); margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.pd-block h2::before { content: ''; width: 4px; height: 18px; background: var(--brand); border-radius: 2px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table tr { border-bottom: 1px solid var(--line-2); }
.spec-table tr:hover { background: var(--bg-soft); }
.spec-table th {
  text-align: left; padding: 11px 16px; font-weight: 600; color: var(--ink-2);
  width: 40%; vertical-align: top; background: #FBFDFF;
}
.spec-table td { padding: 11px 16px; color: var(--ink); }

.feat-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.feat-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); }
.feat-list li::before {
  content: ''; width: 19px; height: 19px; border-radius: 50%; background: rgba(18, 161, 80, .13);
  flex: none; margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312A150' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 11px; background-repeat: no-repeat; background-position: center;
}

.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 18px; }
.side-card h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line-2); }

.kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; font-size: 13.5px; border-bottom: 1px dashed var(--line-2); }
.kv:last-child { border-bottom: 0; }
.kv span { color: var(--ink-3); }
.kv b { color: var(--ink); font-weight: 600; text-align: right; word-break: break-word; }

/* ---------------- inquiry sidebar form ---------------- */
.inq-form .field { margin-bottom: 12px; }
.inq-form label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
.inq-form .req { color: var(--err); }

input[type=text], input[type=email], input[type=tel], input[type=number],
input[type=search], input[type=password], input[type=date], select, textarea {
  width: 100%; padding: 10px 13px; font-size: 14.5px; font-family: inherit; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11, 95, 255, .12);
}
textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
label .req, .req { color: var(--err); }

/* ---------------- toolbar / filter ---------------- */
.toolbar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px 18px; margin-bottom: 24px; display: flex; align-items: center;
  justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.toolbar .tb-info { font-size: 14px; color: var(--ink-2); }
.toolbar .tb-info b { color: var(--navy); }
.toolbar .tb-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar select, .toolbar input { min-width: 150px; padding: 8px 12px; font-size: 14px; }

.cat-tabs { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 26px; }
.cat-tabs a {
  padding: 9px 17px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--ink-2); background: #fff; transition: all .18s var(--ease);
}
.cat-tabs a:hover { border-color: var(--brand); color: var(--brand); }
.cat-tabs a.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.cat-tabs a .n { opacity: .65; font-weight: 500; margin-left: 4px; font-size: 12.5px; }

/* ---------------- pagination ---------------- */
.pager { display: flex; justify-content: center; align-items: center; gap: 7px; margin-top: 40px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 9px; font-size: 14px; font-weight: 600;
  color: var(--ink-2); background: #fff;
}
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager .current { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager .disabled { opacity: .42; pointer-events: none; }
.pager .gap { border: 0; background: transparent; min-width: 22px; }

/* ---------------- news ---------------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 24px; }
.post-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column; transition: all .24s var(--ease);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-cover { aspect-ratio: 16/9; background: linear-gradient(135deg, #12305C, #0B5FFF); display: flex; align-items: center; justify-content: center; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.post-body h3 { font-size: 17px; line-height: 1.4; margin-bottom: 10px; }
.post-body h3 a { color: var(--navy); }
.post-card:hover .post-body h3 a { color: var(--brand); }
.post-body p { font-size: 14px; color: var(--ink-2); flex: 1; }
.post-meta { font-size: 12.5px; color: var(--ink-3); display: flex; align-items: center; gap: 10px; }

.article { max-width: 820px; margin: 0 auto; }
.article h2 { font-size: 22px; margin: 30px 0 14px; }
.article h3 { font-size: 17.5px; margin: 24px 0 10px; }
.article p, .article li { color: var(--ink-2); font-size: 15.5px; }
.article ul, .article ol { padding-left: 1.4em; }
.article a { text-decoration: underline; }
.article strong { color: var(--ink); }
.article hr { margin: 30px 0; }

/* ---------------- legal / prose ---------------- */
.prose { max-width: 900px; margin: 0 auto; }
.prose h2 { font-size: 21px; margin: 32px 0 14px; padding-left: 13px; border-left: 4px solid var(--brand); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 17px; margin: 22px 0 10px; }
.prose p, .prose li { color: var(--ink-2); font-size: 15px; }
.prose ul { padding-left: 1.35em; margin-bottom: 1.1em; }
.prose li { margin-bottom: 7px; }
.prose a { text-decoration: underline; word-break: break-word; }
.prose > *:last-child { margin-bottom: 0; }
.doc-updated { font-size: 13px; color: var(--ink-3); margin-bottom: 26px; }

/* ---------------- CTA band ---------------- */
.cta-band {
  background: linear-gradient(115deg, var(--brand) 0%, #0A46B8 52%, var(--navy) 100%);
  color: #fff; padding: 52px 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 88% 22%, rgba(0, 224, 255, .22), transparent 55%);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; position: relative; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(21px, 2.7vw, 28px); margin-bottom: 8px; }
.cta-inner p { color: #C6DAF5; margin: 0; font-size: 15.5px; max-width: 660px; }

/* ---------------- features ---------------- */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); gap: 22px; }
.feat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 22px;
  transition: all .24s var(--ease);
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feat-icon {
  width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(11, 95, 255, .12), rgba(0, 163, 224, .12)); margin-bottom: 16px;
}
.feat-icon svg { width: 25px; height: 25px; stroke: var(--brand); }
.feat-card h3 { font-size: 16.5px; margin-bottom: 9px; }
.feat-card p { font-size: 14px; color: var(--ink-2); margin: 0; }

/* ---------------- contact ---------------- */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 30px; align-items: start; }
.info-list { display: grid; gap: 16px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-item .ic {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: rgba(11, 95, 255, .09); display: flex; align-items: center; justify-content: center;
}
.info-item .ic svg { width: 19px; height: 19px; stroke: var(--brand); }
.info-item .tx { flex: 1; min-width: 0; }
.info-item .tx b { display: block; color: var(--navy); font-size: 14.5px; margin-bottom: 2px; }
.info-item .tx span, .info-item .tx a { font-size: 14px; color: var(--ink-2); word-break: break-word; }
.info-item .tx a:hover { color: var(--brand); }

.map-frame { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-top: 22px; background: var(--bg-soft); }
.map-frame iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------------- alert ---------------- */
.alert { padding: 13px 17px; border-radius: 10px; font-size: 14.5px; margin-bottom: 20px; display: flex; gap: 11px; align-items: flex-start; }
.alert svg { width: 19px; height: 19px; flex: none; margin-top: 2px; }
.alert-ok { background: rgba(18, 161, 80, .1); color: #0C7A3C; border: 1px solid rgba(18, 161, 80, .25); }
.alert-err { background: rgba(214, 69, 69, .09); color: #A82E2E; border: 1px solid rgba(214, 69, 69, .22); }

/* ---------------- empty ---------------- */
.empty { text-align: center; padding: 70px 20px; color: var(--ink-3); }
.empty svg { width: 62px; height: 62px; margin: 0 auto 16px; opacity: .35; }
.empty h3 { color: var(--ink-2); font-size: 17px; margin-bottom: 7px; }

/* ---------------- footer ---------------- */
.site-foot { background: var(--navy); color: #9FB4CE; padding: 56px 0 0; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.15fr 1.35fr; gap: 36px; padding-bottom: 40px; }
.site-foot h4 { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 600; letter-spacing: .3px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-foot a { color: #9FB4CE; }
.site-foot a:hover { color: #fff; }
.foot-brand img { height: 46px; margin-bottom: 14px; }
.foot-about { color: #8FA6C2; font-size: 13.5px; line-height: 1.7; margin-bottom: 16px; max-width: 330px; }
.social-row { display: flex; gap: 9px; }
.social-row a {
  width: 34px; height: 34px; border-radius: 9px; background: rgba(255, 255, 255, .07);
  display: flex; align-items: center; justify-content: center; transition: all .18s var(--ease);
}
.social-row a:hover { background: var(--brand); }
.social-row svg { width: 16px; height: 16px; }

.foot-contact li { display: flex; gap: 10px; align-items: flex-start; color: #9FB4CE; }
.foot-contact svg { width: 15px; height: 15px; flex: none; margin-top: 4px; opacity: .65; }

.foot-news p { font-size: 13.5px; color: #8FA6C2; margin-bottom: 13px; }
.news-form { display: flex; gap: 8px; }
.news-form input { flex: 1; background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .14); color: #fff; padding: 10px 13px; font-size: 13.5px; }
.news-form input::placeholder { color: #7B93B0; }
.news-form input:focus { border-color: var(--accent); box-shadow: none; }

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; display: flex;
  align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #7B93B0;
}
.foot-legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------------- floating actions (mobile) ---------------- */
.fab-stack { position: fixed; right: 16px; bottom: 16px; z-index: 800; display: flex; flex-direction: column; gap: 10px; }
.fab {
  width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); color: #fff; background: var(--brand); border: 0; cursor: pointer;
  transition: transform .2s var(--ease);
}
.fab:hover { transform: scale(1.08); color: #fff; }
.fab svg { width: 23px; height: 23px; }
.fab-wa { background: #25D366; }
.fab-top { background: var(--navy); width: 42px; height: 42px; border-radius: 10px; }
.fab-top svg { width: 18px; height: 18px; }

/* ---------------- utilities ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 8px; } .mb-1 { margin-bottom: 8px; }
.mt-2 { margin-top: 16px; } .mb-2 { margin-bottom: 16px; }
.mt-3 { margin-top: 24px; } .mb-3 { margin-bottom: 24px; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.flex { display: flex; gap: 12px; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none !important; }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1100px) {
  .pd-layout { grid-template-columns: minmax(0, 1fr) 310px; gap: 24px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .brand .tagline { display: none; }
}

@media (max-width: 980px) {
  :root { --head-h: 64px; }
  .main-nav {
    position: fixed; top: var(--head-h); left: 0; right: 0; bottom: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 16px 32px; overflow-y: auto;
    transform: translateX(100%); transition: transform .28s var(--ease);
    box-shadow: -4px 0 22px rgba(0, 0, 0, .1); z-index: 880;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; width: 100%; }
  .main-nav > ul > li > a { padding: 14px 12px; font-size: 16px; border-bottom: 1px solid var(--line-2); border-radius: 0; }
  .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; border-left: 2px solid var(--line); border-radius: 0; margin: 0 0 6px 12px; padding: 0 0 0 6px; background: transparent;
    display: none;
  }
  .main-nav li:hover > .dropdown { display: block; }
  .main-nav li.open-dd > .dropdown { display: block; }
  .dropdown a { padding: 11px 12px; }
  .burger { display: inline-flex; }
  .contact-layout { grid-template-columns: 1fr; }
  .pd-layout { grid-template-columns: 1fr; }
  .pd-side { order: -1; }
  .hero-stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .stat:nth-child(2) { border-right: 0; }
  .hero-stats .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .topbar { display: none; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .section { padding: 44px 0; }
  .wrap { padding: 0 16px; }
  .hero-inner { padding: 56px 0 66px; }
  .hero-inner h1 { font-size: 27px; }
  .hero-inner p { font-size: 15px; }
  .hero-cta .btn { flex: 1; min-width: 140px; }
  .page-hero { padding: 36px 0; }
  .prod-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .cat-grid, .feat-grid, .post-grid { grid-template-columns: 1fr; }
  .prod-body { padding: 13px 14px 15px; }
  .prod-card .p-sum { display: none; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .tb-actions { width: 100%; }
  .toolbar select, .toolbar input { min-width: 0; flex: 1; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .foot-bottom { flex-direction: column; text-align: center; }
  .spec-table th { width: 46%; padding: 10px 12px; }
  .spec-table td { padding: 10px 12px; }
  .cta-inner { flex-direction: column; text-align: center; align-items: center; }
  .cta-inner .btn { width: 100%; }
  .sec-head { margin-bottom: 30px; }
  .fab-stack { right: 12px; bottom: 12px; }
  .fab { width: 46px; height: 46px; }
  .prose h2 { font-size: 19px; }
}

@media (max-width: 420px) {
  .prod-grid { grid-template-columns: 1fr; }
  .hero-stats .stat b { font-size: 24px; }
  .btn { padding: 10px 18px; font-size: 14px; }
}

@media print {
  .site-head, .site-foot, .fab-stack, .topbar, .btn, .pd-side { display: none !important; }
  body { font-size: 12pt; }
}