/* ==========================================================================
   甘肃恒进电子科技有限公司 - 管家婆软件甘肃授权服务商 - 官方官网样式
   浅色主题 / 响应式 / 静态站点
   ========================================================================== */

:root {
  --c-primary: #185FA5;
  --c-primary-dark: #0C447C;
  --c-primary-light: #E6F1FB;
  --c-accent: #D85A30;
  --c-accent-dark: #993C1D;
  --c-text: #1F2937;
  --c-text-2: #4B5563;
  --c-text-3: #6B7280;
  --c-bg: #F8FAFC;
  --c-card: #FFFFFF;
  --c-border: #E5E7EB;
  --c-border-2: #D1D5DB;
  --c-success: #1D9E75;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container: 1200px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 { color: var(--c-text); margin: 0 0 .5em; line-height: 1.35; font-weight: 600; }
h1 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 1.85rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--c-text-2); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部联系电话条 */
.topbar {
  background: var(--c-primary-dark);
  color: #fff;
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar .item { opacity: .9; }
.topbar .item strong { color: #FFD580; margin-left: 4px; font-weight: 600; }

/* 导航 */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 52px; width: auto; }
.brand-text { line-height: 1.15; }
.brand-text .name { font-size: 16px; font-weight: 600; color: var(--c-text); }
.brand-text .sub { font-size: 12px; color: var(--c-text-3); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all .2s;
}
.nav-menu a:hover {
  color: var(--c-primary);
  background: var(--c-primary-light);
}
.nav-menu a.active {
  color: var(--c-primary);
  background: var(--c-primary-light);
}
.nav-cta {
  background: var(--c-accent);
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-md);
  margin-left: 8px;
  font-weight: 500;
}
.nav-cta:hover { background: var(--c-accent-dark); color: #fff !important; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  font-size: 20px;
  color: var(--c-text);
  cursor: pointer;
}

/* 通用区块 */
section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--c-primary);
  background: var(--c-primary-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
  font-weight: 500;
}
.section-head h2 { margin-bottom: 8px; }
.section-head p { color: var(--c-text-3); max-width: 720px; margin: 0 auto; }

/* Hero */
.hero {
  background:
    linear-gradient(135deg, rgba(12,68,124,.92) 0%, rgba(24,95,165,.88) 60%, rgba(13,80,140,.86) 100%),
    radial-gradient(circle at 80% 20%, rgba(216,90,48,.18) 0%, transparent 50%);
  color: #fff;
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.3);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
  color: #FFE6B0;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.hero h1 .highlight { color: #FFD580; }
.hero-lead {
  font-size: 17px;
  color: rgba(255,255,255,.92);
  margin-bottom: 28px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all .2s;
}
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(216,90,48,.35);
}
.btn-primary:hover { background: var(--c-accent-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.4);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,.22); color: #fff; }

.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-meta .num { font-size: 28px; font-weight: 700; color: #FFD580; line-height: 1; }
.hero-meta .lbl { font-size: 13px; color: rgba(255,255,255,.8); margin-top: 4px; }

.hero-card {
  background: #fff;
  color: var(--c-text);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { color: var(--c-text); margin-bottom: 6px; }
.hero-card .lead { font-size: 13px; color: var(--c-text-3); margin-bottom: 16px; }
.hero-card .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--c-border);
  font-size: 14px;
}
.hero-card .row:first-of-type { border-top: none; padding-top: 0; }
.hero-card .row .k { color: var(--c-text-3); }
.hero-card .row .v { color: var(--c-text); font-weight: 500; }
.hero-card .phone-big {
  display: block;
  background: var(--c-primary-light);
  border: 1px solid #B5D4F4;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
  margin-top: 16px;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .5px;
}
.hero-card .phone-big small { display: block; font-size: 12px; color: var(--c-text-3); font-weight: 400; margin-top: 2px; }

/* 产品矩阵 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.product-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  transition: all .25s;
  position: relative;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #B5D4F4;
}
.product-card .ico {
  width: 48px;
  height: 48px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}
.product-card h3 { margin-bottom: 6px; font-size: 1.1rem; }
.product-card p { font-size: 14px; margin: 0; color: var(--c-text-3); line-height: 1.6; }
.product-card .tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--c-accent);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 500;
}

/* 服务流程 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.service-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: left;
  position: relative;
  transition: all .25s;
}
.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.service-card .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-primary-light);
  line-height: 1;
  margin-bottom: 12px;
}
.service-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.service-card p { font-size: 14px; color: var(--c-text-3); margin: 0; line-height: 1.6; }

/* 数据条 */
.stats {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}
.stats .num {
  font-size: 40px;
  font-weight: 700;
  color: #FFD580;
  line-height: 1;
}
.stats .lbl { color: rgba(255,255,255,.9); margin-top: 8px; font-size: 14px; }

/* 客户案例 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.case-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .25s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.case-thumb {
  height: 140px;
  background: linear-gradient(135deg, var(--c-primary-light) 0%, #B5D4F4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  font-size: 40px;
  font-weight: 700;
  position: relative;
}
.case-thumb .ind-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,.92);
  color: var(--c-primary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
}
.case-body { padding: 18px 20px; }
.case-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.case-body .meta { color: var(--c-text-3); font-size: 13px; margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--c-text-2); margin: 0; }

/* 优势列表 */
.advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.adv-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.adv-item .ico {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}
.adv-item h3 { font-size: 1rem; margin-bottom: 4px; }
.adv-item p { font-size: 14px; color: var(--c-text-3); margin: 0; line-height: 1.6; }

/* CTA 大区 */
.cta-band {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.92); font-size: 16px; margin-bottom: 24px; }
.cta-band .phone-big {
  display: inline-block;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.4);
  padding: 14px 36px;
  border-radius: var(--radius-md);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
}
.cta-band .phone-big small { display: block; font-size: 12px; font-weight: 400; margin-top: 2px; opacity: .9; }

/* 文章列表 */
.news-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.news-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: all .2s;
}
.news-item:hover { border-color: #B5D4F4; box-shadow: var(--shadow-sm); }
.news-item .date { color: var(--c-text-3); font-size: 13px; margin-bottom: 8px; }
.news-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.news-item p { font-size: 14px; color: var(--c-text-3); margin: 0; line-height: 1.6; }
.news-item .tag {
  display: inline-block;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 100px;
  margin-right: 8px;
}

/* 关于内容 */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-grid .visual {
  background: linear-gradient(135deg, var(--c-primary-light), #B5D4F4);
  border-radius: var(--radius-lg);
  padding: 36px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-grid .visual .ico {
  font-size: 64px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.about-grid .visual p { color: var(--c-primary-dark); margin: 0; }
.about-grid .visual .big-num {
  font-size: 56px;
  font-weight: 700;
  color: var(--c-primary-dark);
  line-height: 1;
  margin-bottom: 8px;
}
.about-grid h2 { margin-bottom: 16px; }
.about-grid ul { margin: 16px 0; }
.about-grid ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  color: var(--c-text-2);
  font-size: 15px;
}
.about-grid ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-success);
  font-weight: 700;
}

/* 联系我们 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.contact-info {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info h3 { font-size: 1.2rem; margin-bottom: 18px; }
.contact-info .row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
  border-top: 1px solid var(--c-border);
  font-size: 15px;
}
.contact-info .row:first-of-type { border-top: none; padding-top: 0; }
.contact-info .row .ico {
  width: 36px;
  height: 36px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  font-weight: 700;
}
.contact-info .row .k { font-size: 13px; color: var(--c-text-3); margin-bottom: 2px; }
.contact-info .row .v { color: var(--c-text); font-weight: 500; }
.contact-info .row .v a { color: inherit; }

.qr-box {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  max-width: 320px;
  margin: 0 auto;
  width: 100%;
}
.qr-box img {
  display: block;
  width: 240px;
  height: 240px;
  margin: 0 auto 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 8px;
  background: #fff;
}
.qr-box .title { font-size: 16px; font-weight: 600; color: var(--c-text); margin-bottom: 4px; }
.qr-box .desc { color: var(--c-text-3); font-size: 14px; }

/* 资质/照片墙网格 */
.auth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.auth-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  transition: transform .2s, box-shadow .2s;
  background: var(--c-bg);
}
.auth-grid img:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.photo-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  transition: transform .2s, box-shadow .2s;
}
.photo-grid img:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.company-wall {
  width: 100%;
  max-width: 880px;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
}

/* 页脚 */
footer {
  background: #0F1A2B;
  color: rgba(255,255,255,.78);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-grid h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 14px;
  font-weight: 500;
}
.footer-grid p, .footer-grid a { color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.9; }
.footer-grid a:hover { color: #FFD580; }
.footer-grid ul li { padding: 4px 0; }
.footer-grid .brand-block img { height: 52px; width: auto; background: #fff; padding: 6px 10px; border-radius: 6px; margin-bottom: 12px; }
.footer-grid .contact-line { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
.copyright a { color: rgba(255,255,255,.75); }
.copyright .icp { margin: 0 6px; }
.copyright img { display: inline-block; vertical-align: middle; height: 14px; margin-right: 3px; }

/* 面包屑 */
.crumb {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding: 14px 0;
  font-size: 14px;
  color: var(--c-text-3);
}
.crumb a { color: var(--c-text-3); }
.crumb a:hover { color: var(--c-primary); }
.crumb .sep { margin: 0 8px; color: var(--c-border-2); }
.crumb .now { color: var(--c-text); }

/* 页面通用 banner */
.page-banner {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.page-banner h1 { color: #fff; margin-bottom: 8px; }
.page-banner p { color: rgba(255,255,255,.85); font-size: 16px; margin: 0; }

/* 子页内容区 */
.prose {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  border: 1px solid var(--c-border);
  margin-bottom: 24px;
}
.prose h2 { color: var(--c-text); margin-top: 0; }
.prose h3 { color: var(--c-primary-dark); margin-top: 24px; }
.prose p { font-size: 15px; line-height: 1.85; }
.prose ul li, .prose ol li { padding: 6px 0 6px 24px; position: relative; color: var(--c-text-2); font-size: 15px; }
.prose ul li::before { content: '·'; position: absolute; left: 8px; color: var(--c-accent); font-weight: 700; font-size: 18px; }
.prose ol { counter-reset: item; }
.prose ol li { counter-increment: item; }
.prose ol li::before { content: counter(item); position: absolute; left: 0; color: var(--c-primary); font-weight: 700; }

.prose .step {
  background: var(--c-primary-light);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 18px 0;
}
.prose .step h4 { color: var(--c-primary-dark); margin: 0 0 6px; font-size: 1rem; }
.prose .step p { margin: 0; font-size: 14px; }

.prose .warn {
  background: #FFF7ED;
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 18px 0;
}
.prose .warn h4 { color: var(--c-accent-dark); margin: 0 0 6px; font-size: 1rem; }
.prose .warn p { margin: 0; font-size: 14px; }

.prose .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 18px 0;
}
.prose .feat {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  background: var(--c-bg);
}
.prose .feat h4 { margin: 0 0 6px; color: var(--c-primary-dark); font-size: 1rem; }
.prose .feat p { margin: 0; font-size: 14px; color: var(--c-text-2); }

/* 表单 */
.form {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.form .form-row { margin-bottom: 16px; }
.form label { display: block; font-size: 14px; color: var(--c-text-2); margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--c-text);
  transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(24,95,165,.12);
}
.form textarea { resize: vertical; min-height: 100px; }
.form .submit {
  background: var(--c-accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s;
}
.form .submit:hover { background: var(--c-accent-dark); }
.form .form-tip { font-size: 13px; color: var(--c-text-3); margin-top: 10px; }

/* 移动端 */
@media (max-width: 960px) {
  .hero-inner, .about-grid, .contact-grid, .prose .grid-2 { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 48px 0; }
  .hero { padding: 56px 0 64px; }
  .topbar-inner { font-size: 12px; }
  .prose { padding: 24px; }
}

@media (max-width: 720px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 16px; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .brand-text { display: none; }
  .brand img { height: 44px; width: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-meta { gap: 18px; }
  .hero-meta .num { font-size: 22px; }
  .stats .num { font-size: 30px; }
  .nav-inner { height: 60px; }
  section { padding: 40px 0; }
  .topbar { font-size: 11px; }
  .topbar-inner { height: auto; padding: 6px 0; }
  .cta-band .phone-big { font-size: 22px; padding: 12px 24px; }
}