/* ===== CSS变量 ===== */
:root {
  --primary: #1A56FF;
  --primary-dark: #0040CC;
  --primary-light: #EEF2FF;
  --accent: #0099FF;
  --text-1: #111827;
  --text-2: #374151;
  --text-3: #6B7280;
  --text-4: #9CA3AF;
  --border: #B8D0FF;
  --border-light: #D0E4FF;
  --bg: #C8E4FF;
  --bg-light: #AED5FF;
  --bg-section: #9FCBFF;
  --success: #10B981;
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
  --shadow-blue: 0 8px 24px rgba(26,86,255,0.22);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
  --header-h: 90px;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

/* ===== 工具类 ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.section { padding: 88px 0; }
.section-white { background: var(--bg); }
.section-gray { background: var(--bg-section); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; letter-spacing: 1.2px;
  color: var(--primary); background: var(--primary-light);
  padding: 6px 16px; border-radius: 50px; margin-bottom: 14px;
}
.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800; line-height: 1.25;
  color: var(--text-1); margin-bottom: 14px;
}
.section-desc { font-size: 15px; color: var(--text-3); max-width: 560px; margin: 0 auto; line-height: 1.8; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 50px;
  font-size: 15px; font-weight: 600; transition: var(--transition); cursor: pointer;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; transition: transform 0.25s; }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26,86,255,0.3); }

.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

.btn-white {
  background: var(--bg-light); color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.16); }

.btn-ghost {
  background: rgba(255,255,255,0.15); color: #fff;
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }

.btn-block { width: 100%; justify-content: center; }

/* ===== 导航栏 ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(246,250,255,0.95);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.nav-wrapper {
  display: flex; align-items: center;
  justify-content: space-between; height: 100%; gap: 24px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; width: 180px; height: 100%; overflow: hidden; }
.logo-img { width: 100%; height: 100%; display: block; object-fit: contain; object-position: left center; }
.footer .logo {
  display: inline-flex;
  align-items: center;
  width: 220px;
  height: auto;
  padding: 0;
  overflow: visible;
  opacity: 1;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.footer .logo-img { width: 100%; height: auto; object-position: left center; filter: none; }

.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-link {
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-2);
  transition: var(--transition); white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }

.nav-cta {
  background: var(--primary) !important; color: #fff !important;
  padding: 8px 20px !important; box-shadow: var(--shadow-blue);
  border-radius: 50px !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; color: #fff !important; transform: translateY(-1px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-1); border-radius: 2px; transition: var(--transition); }

/* ===== 页面顶部横幅（内页） ===== */
.page-banner {
  background: linear-gradient(135deg, #1A56FF 0%, #0099FF 60%, #6C3BFF 100%);
  padding: 96px 0 60px;
  margin-top: var(--header-h);
  position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='40' cy='40' r='30' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: clamp(36px, 4.8vw, 56px); font-weight: 900; color: #fff; margin-bottom: 12px; }
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.75); max-width: 520px; line-height: 1.7; }

.page-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 20px;
}
.page-breadcrumb a { color: rgba(255,255,255,0.7); }
.page-breadcrumb a:hover { color: #fff; }
.page-breadcrumb .sep { opacity: 0.4; }

/* ===== 首页 Hero ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #EEF2FF 0%, #F8F9FC 45%, #FAFBFF 100%);
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 64px) 0 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: -200px; right: -200px; width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(26,86,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  bottom: -100px; left: -100px; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,153,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light); color: var(--primary);
  border: 1px solid rgba(26,86,255,0.2);
  border-radius: 50px; padding: 8px 18px;
  font-size: 15px; font-weight: 700; margin-bottom: 24px;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

.hero-title {
  font-size: clamp(42px, 5.4vw, 72px);
  font-weight: 900; line-height: 1.12; color: var(--text-1); margin-bottom: 20px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-desc { font-size: 16px; color: var(--text-3); line-height: 1.85; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 900; color: var(--primary); line-height: 1; }
.stat-num span { font-size: 16px; }
.stat-label { font-size: 12px; color: var(--text-3); margin-top: 4px; }

/* Hero 右侧视觉 */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-cards { position: relative; width: 380px; height: 400px; }
.h-card {
  position: absolute; background: var(--bg-light); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--border); animation: cardFloat 6s ease-in-out infinite;
}
.h-card-1 { top: 0; left: 0; animation-delay: 0s; }
.h-card-2 { top: 110px; right: 0; animation-delay: -2s; }
.h-card-3 { bottom: 60px; left: 10px; animation-delay: -4s; }
@keyframes cardFloat { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);} }

.hc-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.hc-icon.blue { background: #EEF2FF; }
.hc-icon.orange { background: #FFF3E0; }
.hc-icon.green { background: #E8F5E9; }
.hc-title { font-size: 12px; color: var(--text-3); margin-bottom: 2px; }
.hc-value { font-size: 20px; font-weight: 800; color: var(--text-1); }

.hero-showcase {
  position: absolute; top: 52%; left: 52%; transform: translate(-50%,-50%);
  width: 400px; height: 400px;
}
.hero-image-card {
  position: absolute; border-radius: 24px; overflow: hidden;
  background: rgba(255,255,255,0.88); border: 1px solid rgba(255,255,255,0.7);
  box-shadow: 0 28px 60px rgba(17,24,39,0.18);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.hero-image-card-main {
  width: 260px; top: 0; left: 8px; transform: rotate(-6deg); z-index: 2;
}
.hero-image-card-sub {
  width: 232px; right: 0; bottom: 16px; transform: rotate(8deg); z-index: 1;
}
.hero-image-label {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  display: inline-flex; align-items: center; padding: 7px 12px;
  border-radius: 999px; background: rgba(26,86,255,0.92); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: 0.2px;
  box-shadow: 0 8px 24px rgba(26,86,255,0.28);
}
.hero-image-label-green {
  background: rgba(22,163,74,0.92);
  box-shadow: 0 8px 24px rgba(22,163,74,0.24);
}
.hero-image-frame {
  padding: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(244,247,255,0.94) 100%);
  cursor: zoom-in;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-image-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(17,24,39,0.12);
}
.hero-image {
  width: 100%; height: auto; display: block; border-radius: 18px;
}
.hero-mini-tag {
  position: absolute; z-index: 3;
  padding: 10px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 700; color: #111827;
  background: rgba(255,255,255,0.92); border: 1px solid rgba(255,255,255,0.8);
  box-shadow: 0 16px 30px rgba(17,24,39,0.12);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero-mini-tag-1 { top: 48px; right: -26px; color: #1A56FF; }
.hero-mini-tag-2 { left: -24px; bottom: 8px; color: #16A34A; }

.hero-phone-wrap { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.hero-phone {
  width: 150px; height: 300px; background: #fff; border-radius: 28px;
  border: 8px solid #1a1a2a;
  box-shadow: 0 30px 80px rgba(0,0,0,0.2), inset 0 0 0 1px rgba(255,255,255,0.1);
  overflow: hidden; position: relative; animation: phoneFloat 8s ease-in-out infinite;
}
@keyframes phoneFloat { 0%,100%{transform:rotate(-3deg);} 50%{transform:rotate(3deg);} }
.phone-notch {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 8px; background: #1a1a2a; border-radius: 0 0 8px 8px; z-index: 2;
}
.phone-inner {
  height: 100%; overflow: hidden;
  background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
  padding: 14px 8px 8px; display: flex; flex-direction: column; gap: 6px;
}
.ph-live { display: flex; align-items: center; gap: 5px; font-size: 9px; font-weight: 700; color: #fff; }
.ph-live-dot { width: 6px; height: 6px; border-radius: 50%; background: #ff4444; animation: blink 1.5s infinite; }
.ph-product { background: rgba(255,255,255,0.15); border-radius: 8px; padding: 7px; display: flex; gap: 6px; align-items: center; }
.ph-img { width: 32px; height: 32px; background: rgba(255,255,255,0.3); border-radius: 6px; flex-shrink: 0; }
.ph-name { font-size: 9px; color: #fff; font-weight: 600; }
.ph-price { font-size: 11px; color: #FFD700; font-weight: 800; }
.ph-order { background: rgba(255,100,0,0.3); border-radius: 6px; padding: 4px 7px; font-size: 9px; color: #FFB74D; text-align: center; }

/* ===== 品牌滚动 ===== */
.brand-bar {
  background: transparent;
  padding: 20px 0; overflow: hidden;
  display: flex; flex-direction: column; gap: 10px;
}
.brand-scroll {
  display: flex; align-items: center;
  animation: scrollLeft 24s linear infinite; width: max-content;
}
.brand-scroll-r {
  animation-name: scrollLeft; animation-duration: 16s;
}
.brand-scroll-r .brand-item { min-width: calc(100vw / 4); }
.brand-scroll:hover { animation-play-state: paused; }
.brand-item {
  min-width: calc(100vw / 5); justify-content: center;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; color: var(--text-4);
  white-space: nowrap; transition: var(--transition);
}
.brand-item:hover { opacity: 0.8; }
.brand-item.bi-douyin { color: #111827; }
.brand-item.bi-shop   { color: #FE2C55; }
.brand-item.bi-local  { color: #1677FF; }
.brand-item.bi-search { color: #1A56FF; }
.brand-item.bi-star   { color: #FF7A00; }
.brand-item.bi-wechat { color: #07C160; }
.brand-item.bi-live   { color: #FF0050; }
.brand-item.bi-video  { color: #6C3BFF; }
.brand-item.bi-koc    { color: #374151; }
.brand-icon {
  width: 28px; height: 28px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: #fff; font-size: 13px; font-weight: 900;
  box-shadow: 0 6px 16px rgba(17,24,39,0.12);
}
.brand-douyin { background: linear-gradient(135deg,#111827,#00F2EA 48%,#FF0050); }
.brand-shop { background: linear-gradient(135deg,#FE2C55,#FF6A00); }
.brand-local { background: linear-gradient(135deg,#1677FF,#00B7FF); }
.brand-search { background: linear-gradient(135deg,#1A56FF,#6C3BFF); }
.brand-star { background: linear-gradient(135deg,#FF7A00,#FFB800); }
.brand-wechat { background: linear-gradient(135deg,#07C160,#00A870); }
.brand-live { background: linear-gradient(135deg,#FF0050,#FF6B9D); }
.brand-video { background: linear-gradient(135deg,#6C3BFF,#0099FF); }
.brand-koc { background: linear-gradient(135deg,#111827,#374151); }

@keyframes scrollLeft  { 0%{transform:translateX(0);}    100%{transform:translateX(-50%);} }
@keyframes scrollRight { 0%{transform:translateX(-50%);} 100%{transform:translateX(0);}    }

/* ===== 首页服务卡片 ===== */
.home-services { background: var(--bg); }
.svc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.svc-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 24px;
  transition: var(--transition); cursor: pointer; position: relative; overflow: hidden;
}
.svc-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 18px; background: var(--primary-light);
}
.svc-icon.orange { background: #FFF3E0; }
.svc-icon.green { background: #E8F5E9; }
.svc-icon.purple { background: #F3E8FF; }
.svc-card h3 { font-size: 21px; font-weight: 800; color: var(--text-1); margin-bottom: 12px; }
.svc-card p { font-size: 13px; color: var(--text-3); line-height: 1.8; margin-bottom: 18px; }
.svc-link {
  font-size: 13px; font-weight: 600; color: var(--primary);
  display: inline-flex; align-items: center; gap: 4px; transition: var(--transition);
}
.svc-link:hover { gap: 8px; }

/* ===== 数据带 ===== */
.data-band { background: linear-gradient(135deg, #1A56FF 0%, #0099FF 100%); padding: 64px 0; }
.data-items { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 32px; }
.data-item { text-align: center; }
.di-num { font-size: 42px; font-weight: 900; color: #fff; line-height: 1; }
.di-num span { font-size: 22px; opacity: 0.85; }
.di-label { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 8px; }

/* ===== 首页优势 ===== */
.home-advantage { background: var(--bg-section); }
.adv-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.adv-card {
  background: var(--bg-light); border-radius: var(--radius-lg);
  padding: 28px; display: flex; gap: 20px;
  border: 1px solid var(--border); transition: var(--transition);
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.adv-num { font-size: 40px; font-weight: 900; color: var(--primary-light); line-height: 1; flex-shrink: 0; user-select: none; }
.adv-body h4 { font-size: 20px; font-weight: 800; color: var(--text-1); margin-bottom: 10px; }
.adv-body p { font-size: 13px; color: var(--text-3); line-height: 1.8; }

/* ===== 首页案例预览 ===== */
.home-cases { background: var(--bg); }
.case-preview-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.case-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition); background: var(--bg-light);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.case-img { width: 100%; height: 180px; display: block; object-fit: cover; border-bottom: 1px solid var(--border); background: var(--bg-section); }
.case-header { padding: 28px 24px 24px; position: relative; }
.case-cat {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 50px;
  background: rgba(255,255,255,0.2); color: rgba(255,255,255,0.9); margin-bottom: 10px;
}
.case-plat { font-size: 16px; font-weight: 800; color: #fff; }
.case-body { padding: 20px 24px; }
.case-body h4 { font-size: 19px; font-weight: 800; color: var(--text-1); margin-bottom: 10px; }
.case-body p { font-size: 13px; color: var(--text-3); line-height: 1.7; margin-bottom: 16px; }
.case-metrics { display: flex; gap: 20px; }
.cm-num { font-size: 18px; font-weight: 800; color: var(--primary); }
.cm-label { font-size: 11px; color: var(--text-4); margin-top: 1px; }

/* ===== CTA区块 ===== */
.home-cta {
  background: linear-gradient(135deg, #1A56FF 0%, #6C3BFF 100%);
  padding: 88px 0; text-align: center; position: relative; overflow: hidden;
}
.home-cta::before {
  content: ''; position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px; border-radius: 50%;
  background: rgba(255,255,255,0.04); pointer-events: none;
}
.home-cta h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 900; color: #fff; margin-bottom: 14px; }
.home-cta p { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 合作流程 ===== */
.process-steps { display: flex; align-items: flex-start; justify-content: center; }
.process-step { flex: 1; min-width: 140px; max-width: 200px; text-align: center; padding: 24px 16px; position: relative; }
.process-step + .process-step::before {
  content: '→'; position: absolute; left: -10px; top: 38px;
  font-size: 18px; color: var(--text-4);
}
.ps-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  font-size: 16px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;
}
.ps-icon { font-size: 28px; margin-bottom: 10px; }
.process-step h3 { font-size: 18px; font-weight: 800; color: var(--text-1); margin-bottom: 8px; }
.process-step p { font-size: 12px; color: var(--text-3); line-height: 1.7; }

/* ===== 关于页面 ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-intro-text h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--text-1); margin-bottom: 20px; line-height: 1.3; }
.about-intro-text p { font-size: 15px; color: var(--text-2); line-height: 1.9; margin-bottom: 16px; }
.about-nums { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 32px; }
.an-num { font-size: 32px; font-weight: 900; color: var(--primary); }
.an-num span { font-size: 18px; }
.an-label { font-size: 12px; color: var(--text-3); }
.about-img-wrap {
  border-radius: var(--radius-xl); overflow: hidden; position: relative;
  background: linear-gradient(135deg, #EEF2FF, #E0F0FF);
  min-height: 360px; display: flex; align-items: center; justify-content: center;
  font-size: 80px; box-shadow: var(--shadow-lg);
}
.about-main-img { width: 100%; height: 420px; object-fit: cover; display: block; }
.about-img-badge {
  position: absolute; left: 24px; bottom: 24px;
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 18px; border-radius: var(--radius-md);
  background: rgba(246,250,255,0.92); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.about-img-badge strong { font-size: 17px; color: var(--text-1); }
.about-img-badge span { font-size: 12px; color: var(--text-3); }
.about-location {
  position: relative; overflow: hidden; min-height: 420px;
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  display: flex; align-items: flex-end; background: var(--text-1);
}
.about-location-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.78;
}
.about-location::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(17,24,39,0.84), rgba(17,24,39,0.2));
}
.about-location-content {
  position: relative; z-index: 1; max-width: 560px; padding: 56px;
}
.about-location-content h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 900; line-height: 1.25; color: #fff; margin-bottom: 16px; }
.about-location-content p { font-size: 15px; line-height: 1.9; color: rgba(255,255,255,0.78); }

.values-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.value-card {
  background: var(--bg-light); border-radius: var(--radius-lg);
  padding: 28px 22px; text-align: center;
  border: 1px solid var(--border); transition: var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.value-icon { font-size: 36px; margin-bottom: 14px; }
.value-card h4 { font-size: 19px; font-weight: 800; color: var(--text-1); margin-bottom: 10px; }
.value-card p { font-size: 13px; color: var(--text-3); line-height: 1.7; }

.tl-wrap { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.tl-card {
  background: var(--bg-light); border-radius: var(--radius-md);
  padding: 24px; border: 1px solid var(--border);
  border-top: 3px solid var(--primary); transition: var(--transition);
}
.tl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.tl-year { font-size: 22px; font-weight: 900; color: var(--primary); margin-bottom: 8px; }
.tl-card h4 { font-size: 18px; font-weight: 800; color: var(--text-1); margin-bottom: 8px; }
.tl-card p { font-size: 13px; color: var(--text-3); line-height: 1.7; }

/* ===== 服务页面 ===== */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding: 56px 0; border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse .sd-visual { order: -1; }
.sd-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; color: var(--primary);
  background: var(--primary-light); padding: 6px 16px; border-radius: 50px; margin-bottom: 16px;
}
.sd-title { font-size: clamp(28px, 3vw, 40px); font-weight: 800; color: var(--text-1); margin-bottom: 14px; line-height: 1.3; }
.sd-desc { font-size: 14px; color: var(--text-2); line-height: 1.9; margin-bottom: 24px; }
.sd-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.sd-feature { display: flex; align-items: flex-start; gap: 12px; }
.sd-feat-icon {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0; margin-top: 2px;
}
.sd-feat-text h5 { font-size: 14px; font-weight: 600; color: var(--text-1); margin-bottom: 2px; }
.sd-feat-text p { font-size: 12px; color: var(--text-3); line-height: 1.6; }
.sd-visual {
  border-radius: var(--radius-xl); overflow: hidden;
  background: var(--bg-section); min-height: 320px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; font-size: 64px; box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.sd-visual-label { font-size: 14px; font-weight: 600; color: var(--text-3); }

.platforms-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.platform-badge {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
  text-align: center; transition: var(--transition);
}
.platform-badge:hover { border-color: var(--primary); background: var(--primary-light); }
.pb-icon { font-size: 22px; margin-bottom: 6px; }
.pb-name { font-size: 12px; font-weight: 600; color: var(--text-2); }
.pb-cert { font-size: 10px; color: var(--success); margin-top: 2px; }

.pkg-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.pkg-card {
  background: var(--bg-light); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.pkg-card.featured { border-color: var(--primary); box-shadow: var(--shadow-blue); }
.pkg-badge {
  position: absolute; top: 16px; right: -8px;
  background: var(--primary); color: #fff;
  font-size: 13px; font-weight: 700; padding: 4px 18px;
  border-radius: 4px 0 0 4px;
}
.pkg-name { font-size: 13px; font-weight: 600; color: var(--text-3); margin-bottom: 8px; }
.pkg-title { font-size: 28px; font-weight: 900; color: var(--text-1); margin-bottom: 22px; }
.pkg-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pkg-feature { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-2); }
.pkg-feature::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; }

/* ===== 新闻页面 ===== */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.news-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.news-img {
  height: 180px; background: var(--bg-section);
  display: flex; align-items: center; justify-content: center; font-size: 48px; position: relative;
}
.news-body { padding: 20px; }
.news-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.news-tag {
  font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 50px;
  background: var(--primary-light); color: var(--primary);
}
.news-date { font-size: 12px; color: var(--text-4); }
.news-card h3 { font-size: 19px; font-weight: 800; color: var(--text-1); margin-bottom: 10px; line-height: 1.5; }
.news-card p { font-size: 13px; color: var(--text-3); line-height: 1.7; margin-bottom: 14px; }
.news-link { font-size: 13px; color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

/* ===== 联系页面 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.contact-info-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px; box-shadow: var(--shadow-sm);
}
.contact-info-card h3 { font-size: 24px; font-weight: 900; color: var(--text-1); margin-bottom: 26px; }
.ci-items { display: flex; flex-direction: column; gap: 20px; }
.ci-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.ci-label { font-size: 12px; color: var(--text-4); margin-bottom: 3px; }
.ci-value { font-size: 14px; font-weight: 600; color: var(--text-1); }
.ci-value a { color: var(--primary); }

.qr-row { display: flex; gap: 16px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.qr-box { flex: 1; background: var(--bg-section); border-radius: var(--radius-md); padding: 14px; text-align: center; }
.qr-img { width: 80px; height: 80px; margin: 0 auto 8px; }
.qr-img svg { width: 100%; height: 100%; }
.qr-box span { font-size: 12px; color: var(--text-3); }

.contact-form-card {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px; box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { font-size: 24px; font-weight: 900; color: var(--text-1); margin-bottom: 8px; }
.form-subtitle { font-size: 13px; color: var(--text-3); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.required { color: #EF4444; }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg-light); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 14px;
  font-size: 14px; color: var(--text-1); outline: none;
  transition: var(--transition); resize: vertical;
}
.form-group select option { background: var(--bg); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); background: var(--bg);
  box-shadow: 0 0 0 3px rgba(26,86,255,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-4); }
.service-checks { display: flex; gap: 12px; flex-wrap: wrap; }
.check-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.check-item input { accent-color: var(--primary); width: 15px; height: 15px; cursor: pointer; }

.map-wrap {
  margin-top: 48px; border-radius: var(--radius-xl); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-section);
  min-height: 240px; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px; color: var(--text-3); font-size: 14px;
}
.map-wrap .map-icon { font-size: 40px; }

/* ===== 平台资质 ===== */
.quals-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.qual-item {
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 22px 14px;
  text-align: center; transition: var(--transition);
}
.qual-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.qual-icon { font-size: 28px; margin-bottom: 8px; }
.qual-name { font-size: 12px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.qual-badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 50px; background: #E8F8F0; color: var(--success); }

/* ===== 页脚 ===== */
.footer { background: var(--bg-section); color: var(--text-3); padding: 64px 0 0; }
.footer-top { display: grid; grid-template-columns: 320px 1fr; gap: 64px; padding-bottom: 48px; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer-desc { max-width: 280px; font-size: 13px; line-height: 1.8; color: var(--text-3); margin: 18px 0 20px; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.fl-group h4 { font-size: 14px; font-weight: 700; color: var(--text-1); margin-bottom: 16px; }
.fl-group a { display: block; font-size: 13px; color: var(--text-3); margin-bottom: 10px; transition: var(--transition); }
.fl-group a:hover { color: var(--primary); transform: translateX(3px); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; align-items: center;
}
.footer-bottom p { font-size: 12px; color: var(--text-4); }

/* ===== 悬浮咨询 ===== */
.float-wrap { position: fixed; right: 24px; bottom: 80px; z-index: 999; }
.float-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff; padding: 12px 20px; border-radius: 50px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  box-shadow: var(--shadow-blue); transition: var(--transition);
}
.float-btn:hover { transform: translateY(-2px); background: var(--primary-dark); }
.float-popup {
  position: absolute; bottom: 58px; right: 0; width: 220px;
  background: var(--bg-light); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  overflow: hidden; display: none;
}
.float-popup.show { display: block; animation: popIn 0.25s ease; }
@keyframes popIn { from{opacity:0;transform:translateY(8px) scale(0.96);} to{opacity:1;transform:none;} }
.fp-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--primary); color: #fff; font-size: 14px; font-weight: 600; }
.fp-close { color: rgba(255,255,255,0.7); font-size: 18px; line-height: 1; cursor: pointer; }
.fp-close:hover { color: #fff; }
.fp-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.fp-body p { font-size: 12px; color: var(--text-3); }
.fp-call, .fp-form { display: block; text-align: center; padding: 9px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; transition: var(--transition); }
.fp-call { background: var(--primary-light); color: var(--primary); }
.fp-call:hover { background: var(--primary); color: #fff; }
.fp-form { background: var(--bg-section); color: var(--text-2); }
.fp-form:hover { background: var(--border); }

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 998;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-light); border: 1.5px solid var(--border); color: var(--text-3);
  font-size: 18px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(10px); transition: var(--transition);
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--primary); color: #fff; border-color: transparent; }

/* ===== 滚动动画 ===== */
[data-aos] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].visible { opacity: 1; transform: translateY(0); }

/* ===== 分页 ===== */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.pg-btn {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-light); border: 1.5px solid var(--border);
  font-size: 14px; font-weight: 600; color: var(--text-2);
  display: flex; align-items: center; justify-content: center; transition: var(--transition); cursor: pointer;
}
.pg-btn:hover, .pg-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .svc-grid { grid-template-columns: repeat(2,1fr); }
  .quals-grid { grid-template-columns: repeat(3,1fr); }
  .footer-links { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: flex; margin-top: 12px; }
  .hero-cards { width: 360px; height: 360px; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail.reverse .sd-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .tl-wrap { grid-template-columns: repeat(2,1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .case-preview-grid { grid-template-columns: repeat(2,1fr); }
  .news-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .container { padding: 0 16px; }
  .nav-wrapper { gap: 12px; }
  .logo { width: 128px; }
  .nav-toggle { padding: 4px; }
  .nav-toggle span { width: 20px; }
  .section { padding: 48px 0; }
  .section-title { font-size: clamp(20px, 5vw, 30px); }
  .section-desc { font-size: 14px; }
  .section-header { margin-bottom: 28px; }
  /* Hero */
  .hero { min-height: 100svh; padding: calc(var(--header-h) + 32px) 0 48px; }
  .hero-title { font-size: clamp(26px, 7vw, 40px); }
  .hero-desc { font-size: 14px; margin-bottom: 24px; }
  .hero-badge { font-size: 13px; padding: 6px 14px; }
  .hero-actions { flex-direction: column; gap: 10px; margin-bottom: 32px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-num { font-size: 24px; }
  .hero-cards { width: 300px; height: 300px; }
  .h-card { padding: 12px 14px; gap: 10px; }
  .h-card-1 { top: 0; left: 0; }
  .h-card-2 { top: 92px; right: 0; }
  .h-card-3 { bottom: 40px; left: 0; }
  .hc-value { font-size: 16px; }
  .hero-showcase { width: 272px; height: 272px; top: 56%; left: 52%; }
  .hero-image-card-main { width: 176px; left: 12px; }
  .hero-image-card-sub { width: 160px; right: 4px; bottom: 16px; }
  .hero-image-label { top: 10px; left: 10px; padding: 6px 10px; font-size: 10px; }
  .hero-image-frame { padding: 8px; }
  .hero-image { border-radius: 14px; }
  .hero-mini-tag { padding: 8px 12px; font-size: 10px; }
  .hero-mini-tag-1 { top: 24px; right: -12px; }
  .hero-mini-tag-2 { left: -8px; bottom: -4px; }
  /* 导航 */
  .nav-menu {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(246,250,255,0.98); backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; align-items: center; gap: 6px; z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-menu .nav-link { font-size: 17px; padding: 12px 28px; }
  .nav-toggle { display: flex; z-index: 1000; }
  /* 品牌滚动 */
  .brand-bar { padding: 14px 0; gap: 8px; }
  .brand-item { font-size: 12px; gap: 6px; min-width: calc(100vw / 3); }
  .brand-scroll-r .brand-item { min-width: calc(100vw / 3); }
  .brand-icon { width: 22px; height: 22px; font-size: 10px; border-radius: 6px; }
  .float-wrap { right: 12px; bottom: 72px; }
  .float-card { width: 128px; padding: 10px; border-radius: 14px; gap: 8px; }
  .float-owner { font-size: 12px; }
  .float-qr { width: 108px; height: 108px; padding: 4px; border-radius: 10px; }
  .float-phone { font-size: 11px; }
  /* 服务 */
  .svc-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .svc-card { padding: 22px 16px; }
  .sd-visual { display: none; }
  .service-detail { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .sd-title { font-size: clamp(20px, 5vw, 28px); }
  .pkg-grid { grid-template-columns: 1fr; }
  /* 页面 banner */
  .page-banner { padding: 48px 0; }
  .page-banner h1 { font-size: clamp(24px, 6vw, 36px); }
  .page-banner p { font-size: 14px; }
  /* 关于 */
  .about-intro { grid-template-columns: 1fr; }
  .about-main-img { height: 240px; }
  .about-img-badge { left: 16px; right: 16px; bottom: 16px; }
  .about-location { min-height: 300px; }
  .about-location-content { padding: 28px 20px; }
  .about-location-content h2 { font-size: 20px; }
  .about-location-content p { font-size: 13px; }
  .values-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .tl-wrap { grid-template-columns: 1fr; }
  /* 案例/新闻 */
  .case-preview-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  /* 联系 */
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-info-card, .contact-form-card { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; }
  /* 流程 */
  .process-steps { flex-direction: column; align-items: center; }
  .process-step + .process-step::before { content: '↓'; left: 50%; top: -14px; transform: translateX(-50%); }
  /* 数据 */
  .data-items { flex-direction: column; gap: 24px; }
  .quals-grid { grid-template-columns: repeat(2,1fr); }
  /* 按钮 */
  .btn { width: 100%; justify-content: center; }
  /* 页脚 */
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer .logo { width: 160px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
  .footer-links { grid-template-columns: repeat(2,1fr); gap: 16px; }
  .fl-group h4 { margin-bottom: 10px; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .logo { width: 110px; }
  .section { padding: 36px 0; }
  .section-tag { font-size: 10px; padding: 4px 12px; }
  .section-title { font-size: clamp(18px, 5.5vw, 26px); }
  /* Hero */
  .hero-title { font-size: clamp(22px, 7vw, 34px); }
  .hero-desc { font-size: 13px; }
  .hero-badge { font-size: 12px; }
  .hero-stats { flex-wrap: wrap; gap: 14px; }
  .stat-item { min-width: 42%; }
  .stat-num { font-size: 22px; }
  /* 品牌滚动 */
  .brand-item { font-size: 11px; min-width: calc(100vw / 2.5); }
  .brand-scroll-r .brand-item { min-width: calc(100vw / 2); }
  /* 服务 */
  .svc-grid { grid-template-columns: 1fr; }
  .svc-card { padding: 20px 14px; }
  .pkg-grid { grid-template-columns: 1fr; }
  .sd-title { font-size: 20px; }
  .platforms-grid { grid-template-columns: repeat(2,1fr); }
  /* 关于 */
  .values-grid { grid-template-columns: 1fr; }
  .about-nums { gap: 14px; }
  .about-location-content h2 { font-size: 18px; }
  .about-intro-text h2 { font-size: 22px; }
  /* 案例 */
  .adv-grid { grid-template-columns: 1fr; }
  .case-preview-grid { grid-template-columns: 1fr; }
  /* 联系 */
  .qr-row { flex-direction: column; }
  .contact-info-card, .contact-form-card { padding: 20px 14px; }
  /* 按钮 */
  .btn { font-size: 14px; padding: 12px 18px; }
  /* 页脚 */
  .footer-links { grid-template-columns: 1fr; }
  .footer-brand { align-items: flex-start; }
  .footer { padding: 40px 0 0; }
  .footer-top { gap: 20px; padding-bottom: 28px; }
  .footer-desc { font-size: 12px; }
}




@media (max-width: 768px) {
  .nav-wrapper {
    position: relative;
  }
  .nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: auto;
    bottom: auto;
    width: min(88vw, 340px);
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    align-items: stretch;
    padding: 12px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(148,163,184,0.2);
    border-radius: 20px;
    box-shadow: 0 18px 48px rgba(17,24,39,0.16);
    gap: 10px;
    z-index: 1002;
    overflow-y: auto;
  }
  .nav-menu.open {
    display: grid;
  }
  .nav-menu .nav-link,
  .nav-menu .nav-cta {
    display: flex;
    width: 100%;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
  }
  .nav-menu .nav-link {
    background: rgba(248,250,252,0.95);
    border: 1px solid rgba(148,163,184,0.16);
  }
  .nav-menu .nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-light) !important;
    border-color: rgba(26,86,255,0.2);
    box-shadow: none;
  }
  .nav-menu .nav-link:hover {
    background: rgba(26,86,255,0.06);
  }
  .nav-menu .nav-cta {
    margin-top: 0;
    padding: 12px !important;
  }
  .nav-toggle {
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--border);
    flex-shrink: 0;
  }
  .page-breadcrumb {
    flex-wrap: wrap;
    row-gap: 4px;
    margin-bottom: 14px;
  }
  .hero .container {
    gap: 28px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-desc {
    max-width: none;
  }
  .hero-stats {
    justify-content: space-between;
  }
  .stat-item {
    min-width: calc(50% - 10px);
  }
  .hero-visual {
    width: 100%;
    overflow: hidden;
  }
  .hero-cards {
    max-width: 100%;
  }
  .h-card {
    max-width: 220px;
  }
  .case-metrics {
    flex-wrap: wrap;
    gap: 12px;
  }
  .home-cta {
    padding: 56px 0;
  }
  .home-cta p {
    font-size: 14px;
    margin-bottom: 24px;
  }
  .cta-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .process-step {
    width: 100%;
    max-width: 320px;
  }
  .float-wrap {
    right: 12px;
    bottom: calc(72px + env(safe-area-inset-bottom));
  }
  .float-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
  .back-to-top {
    right: 12px;
    bottom: calc(14px + env(safe-area-inset-bottom));
    width: 40px;
    height: 40px;
  }
  #ctaQrModal,
  #qrModal,
  #heroImageModal {
    padding: 16px;
  }
  #ctaQrModal > div,
  #qrModal > div {
    width: min(100%, 360px) !important;
    max-width: 360px !important;
    padding: 20px 16px !important;
  }
  #ctaQrModal img,
  #qrModal img {
    width: min(100%, 300px) !important;
    height: auto !important;
  }
  #heroImageModal > div {
    max-width: 100% !important;
  }
  #heroImagePreview {
    max-height: 74vh !important;
  }
}

@media (max-width: 480px) {
  .nav-menu {
    top: calc(100% + 10px);
    width: min(calc(100vw - 28px), 320px);
    padding: 10px;
    border-radius: 18px;
  }
  .nav-menu .nav-link,
  .nav-menu .nav-cta {
    width: 100%;
    min-height: 52px;
  }
  .page-breadcrumb {
    font-size: 12px;
  }
  .hero {
    padding: calc(var(--header-h) + 24px) 0 36px;
  }
  .hero-title {
    line-height: 1.2;
  }
  .hero-stats {
    gap: 10px;
  }
  .stat-item {
    min-width: calc(50% - 8px);
  }
  .hero-cards {
    width: 250px;
    height: 260px;
  }
  .h-card {
    max-width: 180px;
    padding: 10px 12px;
  }
  .h-card-2 {
    top: 78px;
  }
  .h-card-3 {
    bottom: 28px;
  }
  .hero-showcase {
    width: 228px;
    height: 228px;
    top: 54%;
    left: 50%;
  }
  .hero-image-card-main {
    width: 150px;
    left: 8px;
  }
  .hero-image-card-sub {
    width: 138px;
    right: 0;
    bottom: 10px;
  }
  .hero-mini-tag {
    display: none;
  }
  .platforms-grid {
    grid-template-columns: 1fr;
  }
  .home-cta {
    padding: 44px 0;
  }
  .home-cta h2 {
    font-size: clamp(24px, 7vw, 30px);
  }
  .float-wrap {
    right: 10px;
    bottom: calc(62px + env(safe-area-inset-bottom));
  }
  .float-btn {
    padding: 9px 14px;
    font-size: 12px;
  }
  .back-to-top {
    width: 38px;
    height: 38px;
  }
  #ctaQrModal,
  #qrModal,
  #heroImageModal {
    padding: 12px;
  }
  #ctaQrModal > div,
  #qrModal > div {
    width: calc(100vw - 24px) !important;
    max-width: calc(100vw - 24px) !important;
    padding: 18px 14px !important;
  }
  #ctaQrModal img,
  #qrModal img {
    width: min(100%, 260px) !important;
  }
  #heroImagePreview {
    max-height: 70vh !important;
    border-radius: 12px !important;
  }
}