:root {
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-soft-2: #f1f5f9;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --primary: #0369a1;
  --primary-hover: #075985;
  --dark: #0f172a;
  --dark-hover: #1e293b;
  --white: #ffffff;
  --shadow: 0 10px 36px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 24px 80px rgba(15, 23, 42, 0.14);
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --container: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.hidden { display: none !important; }
.mt-12 { margin-top: 12px; }

.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }

.topbar {
  background: var(--dark);
  color: #cbd5e1;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 36px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
}
.logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav-link,
.nav-button {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  padding: 0;
}
.nav-link:hover,
.nav-button:hover,
.nav-link.is-active {
  color: var(--primary);
}
.chevron { font-size: 12px; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-wrap {
  position: relative;
  width: 280px;
}
.search-wrap::before {
  content: "⌕";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 14px;
}
.search-input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 38px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  color: var(--text);
}
.search-input:focus { outline: none; border-color: #7dd3fc; }
.search-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.search-item {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
}
.search-item:last-child { border-bottom: 0; }
.search-item:hover { background: #f8fafc; color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--dark); color: var(--white); }
.btn-secondary:hover { background: var(--dark-hover); }
.btn-outline { background: var(--white); color: var(--text); border-color: var(--line-strong); }
.btn-outline:hover { background: #f8fafc; }
.btn-lg { height: 50px; padding: 0 24px; font-size: 15px; }
.btn-full { width: 100%; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
}

.mobile-panel {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--white);
}
.mobile-panel.open { display: block; }
.mobile-inner { padding: 16px 0 20px; }
.mobile-link {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 14px 16px;
  border-radius: 14px;
  color: #334155;
}
.mobile-link:hover { background: #f8fafc; }
.mobile-group { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.mobile-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 14px 16px;
  color: #334155;
}
.mobile-submenu { border-top: 1px solid var(--line); padding: 6px; }
.mobile-submenu .mobile-link { font-size: 14px; color: var(--text-muted); }
.mobile-actions { display: grid; gap: 12px; margin-top: 14px; }

.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  left: 0;
  top: calc(100% + 14px);
  z-index: 40;
  width: 420px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: none;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-head {
  padding: 16px 20px;
  background: rgba(248,250,252,0.8);
  border-bottom: 1px solid #f1f5f9;
}
.dropdown-head-title { font-size: 14px; font-weight: 700; }
.dropdown-head-text { margin-top: 4px; font-size: 12px; color: var(--text-muted); }
.dropdown-list { padding: 8px; }
.dropdown-item {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.dropdown-item:hover { background: #f8fafc; }
.dropdown-item-title { font-size: 14px; font-weight: 600; color: var(--text); }
.dropdown-item-sub { margin-top: 4px; font-size: 12px; color: var(--text-muted); }
.dropdown-arrow { color: #94a3b8; }

.page-hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(2,132,199,0.1), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 80px;
}
.hero-chip {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #bae6fd;
  background: #f0f9ff;
  color: #075985;
  font-size: 12px;
  font-weight: 600;
}
.hero-title {
  margin: 18px 0 0;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero-subtitle {
  margin: 18px 0 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.35;
  color: #1e293b;
}
.hero-text {
  margin: 22px 0 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-soft);
}
.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }

.hero-carousel {
  position: relative;
  min-height: 420px;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--line);
  background: #e2e8f0;
  box-shadow: var(--shadow);
}
.hero-carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 420px;
}
.hero-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .6s ease, visibility .6s ease;
}
.hero-carousel-slide.active {
  opacity: 1;
  visibility: visible;
}
.hero-carousel-slide img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.hero-carousel-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px 28px;
  color: #fff;
  background: linear-gradient(to top, rgba(15,23,42,.84), rgba(15,23,42,.2), transparent);
}
.hero-carousel-eye {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #bae6fd;
}
.hero-carousel-title {
  margin-top: 12px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
}
.hero-carousel-text {
  margin-top: 12px;
  max-width: 620px;
  font-size: 14px;
  line-height: 1.9;
  color: #e2e8f0;
}
.hero-carousel-dots {
  position: absolute;
  right: 24px;
  bottom: 22px;
  z-index: 3;
  display: flex;
  gap: 8px;
}
.hero-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: rgba(255,255,255,.38);
  transition: .2s ease;
}
.hero-carousel-dot.active {
  width: 26px;
  background: #ffffff;
}

.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-dark { background: var(--dark); color: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-dark .section-title { color: var(--white); }
.section-dark .section-desc { color: #cbd5e1; }
.section-eye { margin-bottom: 12px; font-size: 14px; font-weight: 600; color: #0369a1; }
.section-dark .section-eye { color: #7dd3fc; }
.section-title {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.section-desc {
  margin-top: 18px;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-soft);
}

.card {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-body { padding: 28px; }
.card-title { margin: 0; font-size: 28px; line-height: 1.25; }
.card-text { margin-top: 14px; font-size: 14px; line-height: 1.9; color: var(--text-soft); }
.card-image { width: 100%; height: 224px; object-fit: cover; }
.card-image-lg { height: 256px; object-fit: cover; width: 100%; }

.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.col-7 { grid-column: span 7; }
.col-5 { grid-column: span 5; }
.col-4 { grid-column: span 4; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.page-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.page-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.gallery-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.gallery-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.metric { background: #f8fafc; border-radius: 20px; padding: 20px; }
.metric-eye { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.18em; }
.metric-title { margin-top: 12px; font-size: 22px; font-weight: 700; }
.metric-text { margin-top: 8px; font-size: 14px; color: var(--text-soft); line-height: 1.8; }

.feature-split { display: grid; grid-template-columns: 0.95fr 1.05fr; min-height: 100%; height: 100%; }
.feature-side { padding: 32px; display: flex; flex-direction: column; justify-content: flex-start; min-height: 100%; }
.channel-main-card { display: flex; flex-direction: column; height: 100%; }
.channel-main-body { display: flex; flex-direction: column; flex: 1; padding: 32px; }
.channel-main-text { margin-top: 14px; font-size: 14px; line-height: 1.9; color: var(--text-soft); }
.channel-main-actions { margin-top: auto; display: flex; flex-wrap: wrap; gap: 12px; padding-top: 28px; }
.channel-main-subgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.channel-main-media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}
.channel-main-media.has-divider {
  min-height: 360px;
  border-right: 1px solid var(--line);
}
.channel-main-media.short {
  height: 260px;
  border-bottom: 1px solid var(--line);
}
.channel-main-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.channel-main-media.is-fallback,
.service-mini-media.is-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
}
.channel-main-media.is-fallback::before,
.service-mini-media.is-fallback::before {
  content: "图片展示";
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.feature-links { display: grid; gap: 12px; margin-top: 24px; }
.feature-link {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: transparent;
  padding: 16px;
  border-radius: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.feature-link:hover {
  background: #f0f9ff;
  border-color: #7dd3fc;
}
.feature-link-title { font-weight: 700; }
.feature-link-desc { margin-top: 4px; font-size: 13px; color: var(--text-muted); }
.feature-link-icon { color: #94a3b8; }

.service-mini-card { display: flex; flex-direction: column; height: 100%; }
.service-mini-media {
  height: 220px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
  border-bottom: 1px solid var(--line);
}
.service-mini-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-mini-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 28px;
}
.service-mini-text {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
  flex: 1;
}

.dark-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 40px; align-items: center; }
.dark-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; align-items: stretch; }
.dark-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-height: 172px;
  height: 100%;
}
.dark-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  min-height: 56px;
  display: flex;
  align-items: flex-start;
}
.dark-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: #cbd5e1;
  flex: 1;
}

.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.partner-item {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 18px;
  text-align: center;
  padding: 16px;
  min-height: 116px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.partner-logo-wrap { height: 40px; width: 100%; display: flex; align-items: center; justify-content: center; }
.partner-logo { max-height: 40px; max-width: 100%; width: auto; object-fit: contain; }
.partner-name { font-size: 13px; font-weight: 600; color: #334155; line-height: 1.4; }

.case-grid, .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-category, .news-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  font-weight: 600;
}
.news-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.contact-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 24px; }
.contact-list { margin-top: 24px; display: grid; gap: 18px; font-size: 14px; color: var(--text-soft); }
.contact-line { display: flex; gap: 12px; align-items: flex-start; }
.contact-line a:hover { color: var(--primary); }

.qr-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.qr-item {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 16px;
  min-width: 0;
}
.qr-item img {
  width: min(100%, 160px);
  aspect-ratio: 1 / 1;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--white);
  object-fit: cover;
}
.qr-title { margin-top: 16px; font-size: 14px; font-weight: 600; }
.qr-text { margin-top: 8px; font-size: 13px; line-height: 1.8; color: var(--text-muted); }

.form-grid { margin-top: 24px; display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.input,
.textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  font-size: 14px;
  padding: 14px 16px;
}
.input:focus,
.textarea:focus { outline: none; border-color: #7dd3fc; }
.textarea { min-height: 150px; resize: vertical; }
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.form-tip { font-size: 14px; color: var(--text-muted); }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--text-soft);
}
.spec-table { margin-top: 28px; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.spec-row { display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid var(--line); }
.spec-row:last-child { border-bottom: 0; }
.spec-key { background: #f8fafc; padding: 12px 16px; font-size: 14px; color: var(--text-muted); }
.spec-value { padding: 12px 16px; font-size: 14px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.faq-item + .faq-item { margin-top: 18px; }
.faq-q { font-weight: 700; }
.faq-a { margin-top: 6px; color: var(--text-soft); }

.footer { background: var(--dark); color: #cbd5e1; border-top: 1px solid var(--line); }
.footer-main { padding: 40px 0; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; }
.footer-title { color: var(--white); font-size: 18px; font-weight: 700; }
.footer-text { margin-top: 12px; max-width: 640px; font-size: 14px; line-height: 1.9; color: #94a3b8; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.footer-col-title { font-size: 14px; font-weight: 600; color: var(--white); }
.footer-col-list { margin-top: 16px; display: grid; gap: 12px; font-size: 14px; color: #94a3b8; }
.footer-col-list a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); text-align: center; font-size: 13px; color: #64748b; padding: 18px 0; }

.admin-wrap { min-height: 100vh; background: #f8fafc; }
.admin-login {
  max-width: 420px;
  margin: 0 auto;
  padding: 80px 0;
}
.admin-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.flash {
  padding: 12px 14px;
  border-radius: 14px;
  margin-bottom: 14px;
  font-size: 14px;
}
.flash.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.admin-sidebar {
  background: var(--dark);
  color: #cbd5e1;
  padding: 28px 20px;
}
.admin-sidebar h1 {
  margin: 0 0 24px;
  font-size: 20px;
  color: #fff;
}
.admin-nav { display: grid; gap: 8px; }
.admin-nav button {
  text-align: left;
  background: transparent;
  color: #cbd5e1;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
}
.admin-nav button.is-active,
.admin-nav button:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.admin-main { padding: 28px; }
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.admin-section {
  display: none;
}
.admin-section.is-active { display: block; }
.admin-grid {
  display: grid;
  gap: 16px;
}
.editor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.editor-card h3 {
  margin: 0 0 16px;
  font-size: 18px;
}
.editor-fields {
  display: grid;
  gap: 12px;
}
.editor-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.editor-field input,
.editor-field textarea,
.editor-field select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  background: #fff;
}
.editor-field textarea {
  min-height: 110px;
  resize: vertical;
}
.editor-inline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.editor-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.array-items {
  display: grid;
  gap: 16px;
}
.item-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.image-preview {
  width: 100%;
  max-width: 220px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #f8fafc;
}
.image-preview img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.helper {
  font-size: 12px;
  color: var(--text-muted);
}
.success-note {
  color: #166534;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  padding: 12px 14px;
  border-radius: 14px;
}
.error-note {
  color: #991b1b;
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 12px 14px;
  border-radius: 14px;
}

@media (max-width: 1200px) {
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .qr-grid { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .desktop-nav, .header-actions { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid,
  .dark-grid,
  .contact-grid,
  .footer-main,
  .feature-split,
  .page-grid-3,
  .case-grid,
  .news-grid,
  .metrics-grid,
  .grid-3,
  .grid-4,
  .grid-2,
  .faq-grid,
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .grid-12 { grid-template-columns: 1fr; }
  .col-7, .col-5, .col-4 { grid-column: auto; }
  .hero-grid { padding: 56px 0 72px; }
  .hero-carousel,
  .hero-carousel-track,
  .hero-carousel-slide img { min-height: 340px; }
  .hero-carousel-overlay { padding: 20px 22px; }
  .hero-carousel-title { font-size: 24px; }
  .feature-side { padding: 24px; }
  .channel-main-media.has-divider { min-height: 260px; border-right: 0; border-bottom: 1px solid var(--line); }
  .channel-main-body { padding: 24px; }
  .channel-main-subgrid { grid-template-columns: 1fr; }
  .dark-cards { grid-template-columns: 1fr 1fr; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .page-grid-2 { grid-template-columns: 1fr; }
  .gallery-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .admin-main { padding: 20px; }
}
@media (max-width: 768px) {
  .container { width: min(var(--container), calc(100% - 24px)); }
  .topbar-inner { min-height: auto; padding: 10px 0; flex-direction: column; align-items: flex-start; }
  .header-inner { min-height: 72px; }
  .logo img { height: 44px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 24px; }
  .section { padding: 56px 0; }
  .card-body { padding: 22px; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid-4, .gallery-grid-3 { grid-template-columns: 1fr; }
  .dark-cards { grid-template-columns: 1fr; }
  .dark-card { min-height: auto; }
  .dark-card h3 { min-height: auto; }
  .card-image, .card-image-lg { height: 220px; }
  .editor-inline { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .partner-grid { grid-template-columns: 1fr; }
  .btn, .btn-lg { width: 100%; }
  .hero-actions { flex-direction: column; }
  .form-actions { align-items: stretch; }
  .form-actions > div:last-child { width: 100%; display: grid; gap: 12px; }
  .form-actions .btn { width: 100%; }
}