/* ==========================================================================
   厦门市宏拉科技股份有限公司 · 官网样式
   - 纯静态、无外部依赖（无 CDN / 无外部字体），保证内网与弱网可用
   - 结构：变量 → 基础 → 通用组件 → 各区块 → 响应式
   ========================================================================== */

:root {
  --brand: #1257f0;
  --brand-dark: #0b3bb0;
  --brand-soft: #eaf0ff;
  --accent: #00c8b4;
  --ink: #0a1a2f;
  --ink-2: #1d3350;
  --muted: #5c6d84;
  --line: #e4eaf3;
  --bg: #ffffff;
  --bg-alt: #f6f9fd;
  --dark: #0b1f38;
  --dark-2: #102a48;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(13, 38, 76, .06);
  --shadow: 0 14px 40px rgba(13, 38, 76, .10);
  --shadow-lg: 0 26px 70px rgba(9, 30, 62, .16);
  --header-h: 74px;
  --max: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.28; margin: 0 0 .6em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
strong { color: var(--ink); font-weight: 600; }

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

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #2f7bff 100%);
  color: #fff; box-shadow: 0 10px 24px rgba(18, 87, 240, .28);
}
.btn-primary:hover { color: #fff; box-shadow: 0 14px 32px rgba(18, 87, 240, .36); }
.btn-ghost { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(255, 255, 255, .32); }
.btn-ghost:hover { color: #fff; background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .55); }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .95);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(13, 38, 76, .07);
}
.header-inner { display: flex; align-items: center; gap: 20px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { border-radius: 12px; box-shadow: 0 6px 16px rgba(18, 87, 240, .22); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; letter-spacing: .02em; }
.brand-text span { font-size: 11.5px; color: var(--muted); letter-spacing: .01em; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative; padding: 8px 13px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  transition: color .16s ease, background .16s ease;
}
.nav a:hover { color: var(--brand); background: var(--brand-soft); }
.nav a.is-active { color: var(--brand); }

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* 后台管理入口：右上角，视觉上区别于普通导航 */
.btn-admin {
  padding: 10px 18px; font-size: 14px;
  background: var(--dark); color: #fff;
  box-shadow: 0 8px 20px rgba(11, 31, 56, .22);
}
.btn-admin:hover { color: #fff; background: #123152; box-shadow: 0 12px 26px rgba(11, 31, 56, .3); }
.btn-admin svg { color: var(--accent); }
/* 窄屏只留短标签，避免把"进入后台管理"挤成图标看不出来是干什么的 */
.admin-label-short { display: none; }

.nav-toggle {
  display: none; width: 42px; height: 42px; padding: 0;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: calc(var(--header-h) + 72px) 0 88px;
  background:
    radial-gradient(1000px 520px at 82% 8%, rgba(18, 87, 240, .16), transparent 62%),
    radial-gradient(760px 420px at 6% 92%, rgba(0, 200, 180, .14), transparent 60%),
    linear-gradient(160deg, #071731 0%, #0b2140 46%, #0a1c33 100%);
  color: #dce7f7;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(760px 460px at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(760px 460px at 50% 40%, #000 30%, transparent 78%);
}
.hero-inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 600; letter-spacing: .16em;
  color: #7fd7ff; text-transform: uppercase; margin-bottom: 20px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 200, 180, .18);
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.hero h1 {
  font-size: clamp(30px, 4.1vw, 52px); font-weight: 700;
  color: #fff; letter-spacing: -.02em; margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #6fd0ff 0%, #45f0d8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { font-size: 16.5px; color: #b9cbe4; max-width: 56ch; margin-bottom: 30px; }
.hero .lead strong { color: #fff; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }

.hero-facts {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .13);
}
.hero-facts li { display: flex; flex-direction: column; gap: 2px; }
.hero-facts b { color: #fff; font-size: 15px; font-weight: 600; }
.hero-facts span { font-size: 12.5px; color: #8ba4c4; }

/* 首屏右侧：网关 + 终端节点示意 */
.hero-visual {
  position: relative; aspect-ratio: 1 / 1; max-width: 460px; width: 100%;
  margin-left: auto;
  display: grid; place-items: center;
}
.hero-visual::before {
  content: ""; position: absolute; inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(18, 87, 240, .30), transparent 68%);
  filter: blur(6px);
}
.hub {
  position: relative; z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 24px 26px; border-radius: 22px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .18);
  backdrop-filter: blur(8px);
}
.hub img { border-radius: 14px; }
.hub span { font-size: 12.5px; color: #cfe0f5; letter-spacing: .06em; }

.pulse {
  position: absolute; border-radius: 50%; border: 1px solid rgba(111, 208, 255, .35);
  inset: 0;
  animation: pulse 5.6s ease-out infinite;
}
.pulse-1 { animation-delay: 0s; }
.pulse-2 { animation-delay: 1.8s; }
.pulse-3 { animation-delay: 3.6s; }
@keyframes pulse {
  0% { transform: scale(.42); opacity: 0; }
  22% { opacity: .85; }
  100% { transform: scale(1); opacity: 0; }
}

.node {
  position: absolute; z-index: 4;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 999px;
  font-size: 12.5px; color: #d7e6fa;
  background: rgba(12, 32, 58, .82);
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
  animation: float 6s ease-in-out infinite;
}
.node i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.node-tl { top: 4%;  left: 2%;   animation-delay: .2s; }
.node-tr { top: 12%; right: 0;   animation-delay: 1.1s; }
.node-ml { top: 44%; left: -4%;  animation-delay: .7s; }
.node-br { bottom: 16%; right: 2%; animation-delay: 1.6s; }
.node-bl { bottom: 6%; left: 6%; animation-delay: 2.1s; }
.node-bm { bottom: 34%; right: -2%; animation-delay: 2.6s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-tag {
  display: inline-block; margin-bottom: 14px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand); background: var(--brand-soft);
  padding: 5px 12px; border-radius: 999px;
}
.section-head h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; margin-bottom: 16px; }
.section-desc { color: var(--muted); font-size: 16px; margin: 0; }
.section-head.light h2 { color: #fff; }
.section-head.light .section-desc { color: #a8bcd8; }
.section-head.light .section-tag { color: #7fd7ff; background: rgba(127, 215, 255, .12); }

/* ---------- 卡片 ---------- */
.card-grid { display: grid; gap: 22px; }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ff; }

.biz-icon {
  width: 46px; height: 46px; margin-bottom: 18px;
  display: grid; place-items: center;
  border-radius: 12px; color: var(--brand);
  background: linear-gradient(140deg, #eef4ff, #e4f7f4);
  border: 1px solid #dbe8ff;
}
.biz-icon svg { width: 23px; height: 23px; }
.biz-card h3 { font-size: 18px; margin-bottom: 10px; }
.biz-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 16px; }

.ticks { display: flex; flex-direction: column; gap: 7px; }
.ticks li {
  position: relative; padding-left: 20px;
  font-size: 13.5px; color: var(--ink-2);
}
.ticks li::before {
  content: ""; position: absolute; left: 3px; top: .62em;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--accent); transform: rotate(45deg); opacity: .9;
}

/* ---------- 产品卡片 ---------- */
.product-card { position: relative; padding-top: 30px; }
.product-tag {
  position: absolute; top: 18px; right: 18px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .08em;
  color: var(--brand); background: var(--brand-soft);
  padding: 3px 10px; border-radius: 999px;
}
.product-card h3 { font-size: 19px; }
.product-card h3 span { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.product-card > p { font-size: 14.5px; color: var(--muted); }
.product-meta { margin: 16px 0 0; padding-top: 14px; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: 8px; }
.product-meta > div { display: grid; grid-template-columns: 62px 1fr; gap: 10px; font-size: 13.5px; }
.product-meta dt { color: #8a99ad; }
.product-meta dd { margin: 0; color: var(--ink-2); }

.also-strip {
  margin-top: 32px; padding: 22px 26px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px;
  background: #fff; border: 1px dashed #c8d8f2; border-radius: var(--radius);
}
.also-strip > span { font-size: 14px; color: var(--muted); }
.also-strip ul { display: flex; flex-wrap: wrap; gap: 8px; }
.also-strip li {
  font-size: 13px; color: var(--ink-2);
  background: var(--bg-alt); border: 1px solid var(--line);
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- 解决方案 ---------- */
.solutions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.solution {
  position: relative; overflow: hidden;
  padding: 32px 30px; border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #fbfdff);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.solution:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ff; }
.solution-num {
  position: absolute; right: 22px; top: 10px;
  font-size: 60px; font-weight: 800; line-height: 1;
  color: #eef3fb; letter-spacing: -.04em; user-select: none;
}
.solution h3 { position: relative; font-size: 20px; margin-bottom: 10px; }
.solution p { position: relative; font-size: 14.5px; color: var(--muted); margin-bottom: 14px; }
.solution .ticks { position: relative; }

/* ---------- 技术平台（深色） ---------- */
.section-dark {
  background:
    radial-gradient(900px 460px at 88% 0%, rgba(18, 87, 240, .26), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(0, 200, 180, .16), transparent 60%),
    linear-gradient(180deg, #081a30, #0b2140);
  color: #d5e2f3;
}
.arch {
  display: flex; flex-direction: column; gap: 10px;
  padding: 24px; border-radius: 20px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .1);
}
.arch-layer {
  display: grid; grid-template-columns: 132px 1fr; gap: 18px; align-items: center;
  padding: 14px 18px; border-radius: 12px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
}
.arch-label {
  font-size: 14px; font-weight: 600; color: #fff;
  padding-left: 10px; border-left: 3px solid var(--accent);
}
.arch-items { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-items span {
  font-size: 12.5px; color: #c3d6ef;
  background: rgba(18, 87, 240, .22);
  border: 1px solid rgba(111, 160, 255, .28);
  padding: 4px 11px; border-radius: 999px;
}
.arch-bottom {
  margin-top: 4px; padding: 12px;
  text-align: center; font-size: 12.5px; letter-spacing: .05em;
  color: #8fa9c9; border-radius: 10px;
  background: repeating-linear-gradient(90deg, rgba(0, 200, 180, .12) 0 10px, transparent 10px 20px);
  border: 1px dashed rgba(0, 200, 180, .35);
}

.advantage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 34px; }
.advantage { padding: 22px 20px; border-radius: 14px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .09); }
.advantage h3 { font-size: 15.5px; color: #fff; margin-bottom: 8px; }
.advantage p { font-size: 13.5px; color: #a6bcd8; margin: 0; }

/* ---------- 关于我们 ---------- */
.about-inner { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 54px; align-items: start; }
.about-copy h2 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 18px; }
.about-copy p { color: var(--muted); }
.about-points { display: flex; gap: 30px; flex-wrap: wrap; margin-top: 26px; }
.about-points li { display: flex; flex-direction: column; }
.about-points b { font-size: 15px; color: var(--brand); }
.about-points span { font-size: 13px; color: var(--muted); }

.about-card {
  padding: 30px 26px; border-radius: var(--radius);
  background: linear-gradient(170deg, #f8fbff, #eef4fd);
  border: 1px solid #dde8f8; box-shadow: var(--shadow-sm);
}
.about-card h3 { font-size: 16px; margin-bottom: 16px; }
.info-list { display: flex; flex-direction: column; gap: 13px; }
.info-list > div { display: grid; grid-template-columns: 74px 1fr; gap: 10px; font-size: 13.5px; }
.info-list dt { color: #8a99ad; }
.info-list dd { margin: 0; color: var(--ink-2); }

/* ---------- 联系 / CTA ---------- */
.section-cta {
  background:
    radial-gradient(760px 400px at 12% 0%, rgba(18, 87, 240, .34), transparent 60%),
    radial-gradient(620px 360px at 96% 100%, rgba(0, 200, 180, .22), transparent 60%),
    linear-gradient(150deg, #071731, #0c2342);
  color: #cfdff2;
}
.cta-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr); gap: 48px; align-items: center; }
.cta-copy h2 { color: #fff; font-size: clamp(23px, 2.5vw, 32px); margin-bottom: 14px; }
.cta-copy > p { color: #a6bcd8; max-width: 52ch; }
.section-tag.light { color: #7fd7ff; background: rgba(127, 215, 255, .12); }

.contact-list { display: flex; flex-direction: column; gap: 16px; margin-top: 26px; }
.contact-list li { display: flex; align-items: flex-start; gap: 14px; }
.contact-list svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.contact-list b { display: block; font-size: 12.5px; color: #8ba4c4; font-weight: 500; }
.contact-list a, .contact-list span { font-size: 15px; color: #e6eefb; }
.contact-list a:hover { color: #7fd7ff; }

.cta-panel {
  padding: 30px 26px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .28);
}
.cta-panel h3 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.cta-panel p { font-size: 13.5px; color: #a6bcd8; }
.cta-note { font-size: 12px !important; color: #7e97b8 !important; margin: 14px 0 0 !important; }

/* ---------- 页脚 ---------- */
.site-footer { background: #061326; color: #8ba4c4; padding: 46px 0 28px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { border-radius: 10px; }
.footer-brand strong { display: block; color: #e8f0fb; font-size: 15px; }
.footer-brand span { font-size: 12.5px; color: #7e97b8; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-nav a { font-size: 13.5px; color: #9fb5d1; }
.footer-nav a:hover { color: #fff; }
.footer-legal {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  margin-top: 26px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 12.5px; color: #6d86a6;
}

/* ---------- 进入视口动效 ----------
   隐藏态挂在 .js-reveal（由 site.js 加到 <html>）下：脚本没生效时内容照常可见，
   这是"动效可以没有、内容不能没有"的降级底线。 */
.js-reveal .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js-reveal .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  .pulse, .node, .eyebrow .dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .advantage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-inner { gap: 36px; }
  .about-inner { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 14px 20px 20px; margin: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(13, 38, 76, .12);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 12px 14px; font-size: 15px; }
  .header-actions { margin-left: auto; }
  .nav-toggle { display: flex; }
  .admin-label { display: none; }
  .admin-label-short { display: inline; }
  .btn-admin { padding: 9px 14px; font-size: 13.5px; }
  .hero { padding-top: calc(var(--header-h) + 48px); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 380px; margin: 8px auto 0; }
  .hero-facts { grid-template-columns: 1fr; gap: 12px; }
  .cols-3, .solutions { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 38px; }
  .arch-layer { grid-template-columns: 1fr; gap: 10px; }
  .arch-label { padding-left: 0; border-left: 0; border-left: 3px solid var(--accent); padding-left: 10px; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .cols-4 { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .brand-text span { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .brand-mark { width: 36px; height: 36px; }
  .arch { padding: 14px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}