/* ===== CSS Reset & Variables ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #4f6ef7;
  --primary-dark: #2d4fd6;
  --primary-light: #eef1ff;
  --accent: #7c3aed;
  --accent-light: #f3eeff;
  --grad: linear-gradient(135deg, #4f6ef7 0%, #7c3aed 100%);
  --grad-hero: linear-gradient(135deg, #0f1a4e 0%, #1a1060 60%, #2d1b6e 100%);
  --text-dark: #0f172a;
  --text-mid: #475569;
  --text-light: #94a3b8;
  --bg: #f8f9ff;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(79,110,247,.10);
  --shadow-hover: 0 12px 40px rgba(79,110,247,.22);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Utility ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-title em { font-style: normal; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-sub {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 600px;
}
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-sub { margin: 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79,110,247,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,110,247,.45); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.12);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.18); }
.highlight { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right.visible { opacity: 1; transform: none; }

/* ===== Navbar ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background .3s, box-shadow .3s, padding .3s;
}
#navbar.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(0,0,0,.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  transition: color .3s;
}
#navbar.scrolled .nav-logo { color: var(--text-dark); }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--grad);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 16px;
  flex-shrink: 0;
}
.nav-logo-text span { color: var(--primary); }
#navbar.scrolled .nav-logo-text { color: var(--text-dark); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: var(--transition);
}
#navbar.scrolled .nav-links a { color: var(--text-mid); }
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-cta { margin-left: 16px; }
.nav-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
#navbar.scrolled .nav-toggle span { background: var(--text-dark); }

/* ===== Hero ===== */
#hero {
  position: relative;
  min-height: 100vh;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; }
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-left {}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  color: rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}
.hero-badge-dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.4)} }
.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.hero-title-sub {
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  color: rgba(255,255,255,.85);
  margin-bottom: 24px;
}
.hero-title-sub .mici-highlight {
  color: #a78bfa;
  font-style: normal;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,.72);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat-item { text-align: center; }
.hero-stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-num span { color: #a78bfa; }
.hero-stat-label { font-size: 13px; color: rgba(255,255,255,.6); }
.hero-right { display: flex; align-items: center; justify-content: center; }
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero-card-main {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(10px);
}
.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-card-icon {
  width: 44px; height: 44px;
  background: var(--grad);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.hero-card-title { color: #fff; font-weight: 700; font-size: 16px; }
.hero-card-sub { color: rgba(255,255,255,.6); font-size: 13px; }
.hero-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.hero-metric {
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}
.hero-metric-val { font-size: 22px; font-weight: 800; color: #a78bfa; }
.hero-metric-label { font-size: 12px; color: rgba(255,255,255,.55); margin-top: 4px; }
.hero-progress-list { display: flex; flex-direction: column; gap: 10px; }
.hero-progress-item label { display: flex; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 5px; }
.hero-progress-bar { height: 5px; background: rgba(255,255,255,.12); border-radius: 10px; overflow: hidden; }
.hero-progress-fill { height: 100%; background: var(--grad); border-radius: 10px; animation: fill-bar 2s ease forwards; }
@keyframes fill-bar { from { width: 0 } }
.hero-float-badge {
  position: absolute;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  animation: float 3s ease-in-out infinite;
}
.hero-float-badge-1 { top: -18px; right: -18px; animation-delay: 0s; }
.hero-float-badge-2 { bottom: -18px; left: -18px; animation-delay: 1s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.float-icon { width: 28px; height: 28px; background: var(--grad); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.5);
  font-size: 12px;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }
.scroll-arrow { width: 20px; height: 20px; border-right: 2px solid rgba(255,255,255,.4); border-bottom: 2px solid rgba(255,255,255,.4); transform: rotate(45deg); }

/* ===== Products ===== */
#products { background: #fff; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.product-card:hover::before { transform: scaleX(1); }
.product-icon-wrap {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.product-icon-wrap.blue { background: #eef1ff; }
.product-icon-wrap.purple { background: #f3eeff; }
.product-icon-wrap.green { background: #ecfdf5; }
.product-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.product-tagline {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.product-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-features { display: flex; flex-wrap: wrap; gap: 8px; }
.product-feature-tag {
  padding: 4px 12px;
  background: var(--bg);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-mid);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.product-card:hover .product-feature-tag { background: var(--primary-light); color: var(--primary); border-color: transparent; }

/* ===== Solutions ===== */
#solutions { background: var(--bg); }
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
  position: relative;
}
.solution-tab {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--border);
  background: #fff;
  color: var(--text-mid);
  transition: var(--transition);
  position: relative;
  z-index: 2;
}
.solution-tab.active, .solution-tab:hover {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(79,110,247,.3);
}
/* Tab auto-switch indicator bar */
.solutions-tabs-indicator {
  position: absolute;
  bottom: -2px;
  height: 4px;
  background: var(--grad);
  border-radius: 4px;
  transition: left .35s cubic-bezier(.4,0,.2,1), width .35s cubic-bezier(.4,0,.2,1);
  z-index: 1;
}
.solution-panel { display: none; }
.solution-panel.active { display: block; }
.solution-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.solution-left {}
.solution-industry-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 24px;
}
.badge-retail { background: #fef3c7; color: #92400e; }
.badge-finance { background: #dbeafe; color: #1e40af; }
.badge-ent { background: #f3e8ff; color: #6b21a8; }
.solution-pain-title { font-size: 13px; font-weight: 600; color: var(--text-light); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 12px; }
.pain-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: #fff8f0;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-mid);
  border-left: 3px solid #f59e0b;
}
.pain-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.solution-desc {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border-radius: var(--radius);
  padding: 24px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 24px;
  border: 1px solid rgba(79,110,247,.12);
}
.solution-right {}
.solution-info-box {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.info-box-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  color: var(--text-dark);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.info-section { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.info-section:last-child { border-bottom: none; }
.info-label { font-size: 12px; font-weight: 600; color: var(--text-light); letter-spacing: .06em; margin-bottom: 10px; }
.scene-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.scene-tag {
  padding: 5px 13px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}
.scene-tag.accent { background: var(--accent-light); color: var(--accent); }
.industry-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.industry-tag {
  padding: 5px 13px;
  background: var(--bg);
  color: var(--text-mid);
  border-radius: 100px;
  font-size: 12px;
  border: 1px solid var(--border);
}

/* ===== Advantages ===== */
#advantages { background: #fff; }
.advantage-intro {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.8;
}
.advantage-intro strong { color: var(--primary); }
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.advantage-card {
  padding: 36px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.advantage-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 0;
  background: linear-gradient(to top, var(--primary-light), transparent);
  transition: height .4s ease;
}
.advantage-card:hover::after { height: 100%; }
.advantage-card > * { position: relative; z-index: 1; }
.adv-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 20px;
  transition: var(--transition);
}
.advantage-card:hover .adv-icon { background: var(--grad); box-shadow: 0 8px 24px rgba(79,110,247,.4); }
.adv-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.adv-subtitle { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.adv-desc { font-size: 14px; color: var(--text-mid); line-height: 1.8; }
.adv-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 16px; }
.adv-tag {
  padding: 3px 10px;
  background: var(--bg);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-mid);
  border: 1px solid var(--border);
}

/* ===== Trial CTA Banner ===== */
#trial-banner {
  background: var(--grad-hero);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.trial-banner-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.trial-banner-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.trial-banner-inner h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; color: #fff; margin-bottom: 16px; }
.trial-banner-inner p { font-size: 16px; color: rgba(255,255,255,.7); margin-bottom: 36px; }

/* ===== Contact ===== */
#contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info-title { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.contact-info-sub { font-size: 14px; color: var(--text-mid); margin-bottom: 32px; line-height: 1.7; }
.contact-items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 36px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.contact-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.contact-item-icon {
  width: 42px; height: 42px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item-label { font-size: 12px; color: var(--text-light); margin-bottom: 3px; }
.contact-item-value { font-size: 14px; color: var(--text-dark); font-weight: 600; }

/* Contact QR Code Section (right side) */
.contact-qrcodes-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.qr-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.qr-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.qr-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
}
.qr-icon-wrap.wechat { background: #f0fdf4; }
.qr-icon-wrap.wecom { background: #eff6ff; }
.qr-placeholder {
  width: 140px; height: 140px;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  border-radius: 12px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
  position: relative;
  overflow: hidden;
}
.qr-placeholder svg { opacity: .35; }
.qr-card-label { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.qr-card-sub { font-size: 12px; color: var(--text-light); }

/* ===== Footer ===== */
footer {
  background: #0f172a;
  color: rgba(255,255,255,.6);
  padding: 48px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-icon { width: 32px; height: 32px; background: var(--grad); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 900; font-size: 14px; }
.footer-logo-text { color: #fff; font-size: 17px; font-weight: 700; }
.footer-brand-desc { font-size: 13px; line-height: 1.8; max-width: 280px; }
.footer-nav-title { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: .04em; }
.footer-nav-links { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-links a { font-size: 13px; color: rgba(255,255,255,.5); transition: color .2s; }
.footer-nav-links a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
}
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }
.icp-link { display: flex; align-items: center; gap: 6px; }

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 80px rgba(0,0,0,.2);
  animation: modal-in .3s cubic-bezier(.34,1.56,.64,1);
  position: relative;
}
@keyframes modal-in { from { opacity:0; transform:scale(.92) translateY(20px) } to { opacity:1; transform:none } }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  background: var(--bg);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-mid);
  transition: var(--transition);
}
.modal-close:hover { background: var(--primary-light); color: var(--primary); }
.modal-header { margin-bottom: 28px; }
.modal-title { font-size: 22px; font-weight: 800; color: var(--text-dark); margin-bottom: 6px; }
.modal-sub { font-size: 14px; color: var(--text-mid); }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-label .required { color: #ef4444; margin-left: 2px; }
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-dark);
  background: #fff;
  transition: var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,.12); }
.form-input.error { border-color: #ef4444; }
.form-error { font-size: 12px; color: #ef4444; margin-top: 5px; display: none; }
.form-error.show { display: block; }
.form-submit { width: 100%; padding: 14px; font-size: 16px; font-weight: 700; margin-top: 8px; }
.modal-success { display: none; text-align: center; padding: 20px 0; }
.modal-success.show { display: block; }
.success-icon { font-size: 56px; margin-bottom: 16px; animation: success-bounce .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes success-bounce { from { transform:scale(0) } to { transform:scale(1) } }
.success-title { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.success-desc { font-size: 14px; color: var(--text-mid); }

/* ===== Number counter ===== */
.counter { display: inline-block; }

/* ===== Back to top ===== */
#back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--grad);
  border-radius: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(79,110,247,.35);
  transition: var(--transition);
  z-index: 999;
}
#back-top.show { display: flex; }
#back-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(79,110,247,.45); }
#back-top svg { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-right { display: none; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .products-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .solution-content { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: #fff; padding: 16px; box-shadow: 0 8px 24px rgba(0,0,0,.1); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--text-mid); }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
  .modal { padding: 28px 20px; }
  .contact-qrcodes-full { grid-template-columns: 1fr; }
}