:root {
  --c-primary: #0f2744;
  --c-accent: #0984a6;
  --c-accent-light: rgba(9, 132, 166, 0.08);
  --c-white: #fff;
  --c-bg: #f8fafb;
  --c-border: #e6eaef;
  --c-text: #1a2332;
  --c-text-2: #5c6b7a;
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --space: 24px;
  --space-lg: 48px;
  --space-xl: 88px;
  --container: 1320px;
  --ease: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  --shadow-sm: 0 2px 8px rgba(15,39,68,0.04);
  --shadow-md: 0 8px 24px rgba(15,39,68,0.06);
  --shadow-lg: 0 16px 48px rgba(15,39,68,0.08);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.65; color: var(--c-text); background: var(--c-white); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 70px;
  background: transparent;
  transition: height var(--ease), background var(--ease), box-shadow var(--ease), z-index 0s;
}
.site-header.scrolled {
  height: 62px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}
.header-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 2;
}
.logo-link { display: flex; align-items: center; gap: 12px; color: var(--c-primary); font-weight: 600; font-size: 1.12rem; transition: transform var(--ease); }
.logo-link:hover { transform: scale(1.02); }
.logo-img { width: 38px; height: 38px; border-radius: var(--r-sm); transition: var(--ease); }
.site-header.scrolled .logo-img { width: 32px; height: 32px; }
.nav-list { display: flex; gap: 36px; }
.nav-list a { font-size: 0.9rem; color: var(--c-text-2); font-weight: 500; transition: color var(--ease), transform var(--ease); position: relative; }
.nav-list a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--c-accent); transition: width var(--ease); }
.nav-list a:hover::after { width: 100%; }
.site-header:not(.scrolled) .nav-list a { color: rgba(255,255,255,0.9); }
.nav-list a:hover { color: var(--c-accent); transform: translateY(-1px); }
.site-header:not(.scrolled) .nav-list a:hover { color: var(--c-white); }
.site-header:not(.scrolled) .nav-list a::after { background: var(--c-white); }
.nav-toggle { display: none; flex-direction: column; gap: 6px; padding: 10px; border-radius: var(--r-sm); transition: background var(--ease); }
.nav-toggle:hover { background: rgba(0,0,0,0.05); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-primary); transition: var(--ease); }
.site-header:not(.scrolled) .nav-toggle span { background: var(--c-white); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(70px + 48px) 20px 72px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(128deg, rgba(10,22,40,0.92) 0%, rgba(15,39,68,0.78) 45%, rgba(15,39,68,0.55) 100%);
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.18; pointer-events: none;
}
.hero-glow-1 { width: 480px; height: 480px; background: var(--c-accent); top: -120px; right: -80px; }
.hero-glow-2 { width: 360px; height: 360px; background: var(--c-accent); bottom: 15%; left: -100px; }
.hero-inner {
  position: relative; max-width: var(--container); width: 100%; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero-content { color: var(--c-white); }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.75); margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2.1rem, 4.8vw, 3.4rem); font-weight: 700; line-height: 1.12; margin-bottom: 16px;
  letter-spacing: -0.035em; text-shadow: 0 4px 32px rgba(0,0,0,0.25);
}
.hero-subtitle { font-size: 1.25rem; opacity: 0.92; margin-bottom: 20px; font-weight: 500; }
.hero-desc { font-size: 1.02rem; opacity: 0.86; line-height: 1.75; margin-bottom: 36px; max-width: 460px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 36px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 30px; font-size: 0.95rem; font-weight: 600; border-radius: var(--r-md);
  transition: all var(--ease); position: relative; overflow: hidden;
}
.btn::before { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent, rgba(255,255,255,0.1)); opacity: 0; transition: opacity var(--ease); }
.btn:hover::before { opacity: 1; }
.btn-arrow { margin-left: 6px; transition: transform var(--ease); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-primary { background: var(--c-accent); color: var(--c-white); }
.btn-primary:hover { background: #076d8a; transform: translateY(-3px); box-shadow: 0 12px 32px rgba(9,132,166,0.4); }
.btn-outline { background: transparent; color: var(--c-white); border: 1.5px solid rgba(255,255,255,0.65); }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.95); transform: translateY(-2px); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; font-size: 0.82rem; color: rgba(255,255,255,0.92);
  background: rgba(255,255,255,0.1); border-radius: 24px; border: 1px solid rgba(255,255,255,0.18);
  transition: all var(--ease);
}
.hero-badge:hover { background: rgba(255,255,255,0.18); transform: translateY(-1px); }
.hero-badge img { opacity: 0.9; }
.hero-phone { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-phone-frame {
  width: min(320px, 56vw); aspect-ratio: 9/19.2;
  background: linear-gradient(155deg, #1c2026 0%, #0f1114 100%); border-radius: 36px; padding: 12px;
  box-shadow: 0 40px 90px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06), inset 0 1px 0 rgba(255,255,255,0.05);
  animation: heroPhoneFloat 7s ease-in-out infinite; transition: transform var(--ease);
}
.hero-phone-frame:hover { transform: translateY(-4px) scale(1.02); }
@keyframes heroPhoneFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-phone-screen { width: 100%; height: 100%; border-radius: 26px; overflow: hidden; position: relative; background: #0a0b0e; }
.hero-phone-screen .app-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.5s ease; }
.hero-phone-screen .app-poster.active { opacity: 1; position: relative; }
.hero-phone-dots { display: flex; gap: 10px; margin-top: 24px; }
.hero-phone-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.35); cursor: pointer; transition: all var(--ease-bounce); }
.hero-phone-dots span:hover { background: rgba(255,255,255,0.6); transform: scale(1.2); }
.hero-phone-dots span.active { background: var(--c-white); width: 24px; border-radius: 5px; }
.hero-note { position: relative; max-width: var(--container); width: 100%; margin: 44px auto 0; padding: 0 24px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.9rem; opacity: 0.75; }

.section { padding: 56px 16px; }
.section-inner { max-width: var(--container); margin: 0 auto; padding: 0 20px; width: 100%; }
.section-label {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em; color: var(--c-accent);
  margin-bottom: 12px;
}
.section-label-center { display: block; text-align: center; }
.section-title { font-size: 1.75rem; font-weight: 800; color: var(--c-primary); margin-bottom: 12px; letter-spacing: -0.02em; }
.section-title-center { text-align: center; }
.section-lead { font-size: 1.02rem; color: var(--c-text-2); text-align: center; margin-bottom: 40px; line-height: 1.65; max-width: 540px; margin-left: auto; margin-right: auto; }

.section-brand { background: var(--c-bg); }
.brand-block {
  display: grid; grid-template-columns: 46% 1fr; gap: 56px; align-items: center;
}
.brand-visual-wrap { position: relative; padding-bottom: 20px; }
.brand-visual-card {
  position: absolute; border-radius: var(--r-lg); background: var(--c-accent-light); border: 1px solid rgba(9,132,166,0.12);
}
.brand-visual-card-1 { width: 100%; height: 100%; top: 14px; left: 14px; z-index: 0; }
.brand-visual-card-2 { width: 100%; height: 100%; top: 28px; left: 28px; z-index: 1; background: var(--c-white); box-shadow: var(--shadow-md); }
.brand-visual { position: relative; z-index: 2; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.brand-visual img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 0.6s ease; }
.brand-visual:hover img { transform: scale(1.03); }
.brand-body .section-title { margin-bottom: 12px; font-size: 1.65rem; }
.brand-lead { font-size: 1.1rem; font-weight: 700; color: var(--c-primary); margin-bottom: 12px; }
.brand-p { font-size: 0.96rem; color: var(--c-text-2); margin-bottom: 32px; line-height: 1.75; }
.brand-items { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.brand-item {
  padding: 22px 24px; background: var(--c-white); border-radius: var(--r-md); border: 1px solid var(--c-border);
  transition: all var(--ease); box-shadow: var(--shadow-sm);
}
.brand-item:hover { border-color: rgba(9,132,166,0.35); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.brand-item-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; color: var(--c-accent); margin-bottom: 10px; }
.brand-item-tag img { flex-shrink: 0; }
.brand-item p { font-size: 0.9rem; color: var(--c-text-2); line-height: 1.6; }

.product-flow { display: flex; flex-direction: column; gap: 48px; }
.product-featured {
  position: relative; border-radius: var(--r-xl); overflow: hidden; background: var(--c-bg);
  box-shadow: var(--shadow-card); transition: box-shadow var(--ease);
}
.product-featured:hover { box-shadow: var(--shadow-lg); }
.product-featured-img { width: 100%; aspect-ratio: 16/9; overflow: hidden; }
.product-featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-featured:hover .product-featured-img img { transform: scale(1.03); }
.product-featured-txt {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 40px 48px;
  background: linear-gradient(transparent 0%, rgba(15,39,68,0.85) 40%, rgba(15,39,68,0.95) 100%); color: var(--c-white);
}
.product-featured-txt h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 12px; }
.product-featured-txt p { font-size: 0.98rem; opacity: 0.9; line-height: 1.65; max-width: 580px; }
.product-split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.product-block {
  display: flex; flex-direction: column; gap: 24px; padding: 32px; background: var(--c-white);
  border-radius: var(--r-lg); border: 1px solid var(--c-border); box-shadow: var(--shadow-sm);
  transition: all var(--ease);
}
.product-block:hover { border-color: rgba(9,132,166,0.25); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-block-b { flex-direction: column-reverse; }
.product-img { border-radius: var(--r-md); overflow: hidden; }
.product-img img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 0.5s ease; }
.product-block:hover .product-img img { transform: scale(1.02); }
.product-block-b .product-img img { aspect-ratio: 16/9; }
.product-txt { }
.product-txt-icon {
  width: 52px; height: 52px; background: var(--c-accent-light); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--c-accent);
  transition: all var(--ease);
}
.product-block:hover .product-txt-icon { background: rgba(9,132,166,0.15); transform: scale(1.05); }
.product-txt h3 { font-size: 1.2rem; font-weight: 700; color: var(--c-primary); margin-bottom: 12px; }
.product-txt p { font-size: 0.92rem; color: var(--c-text-2); line-height: 1.65; }
.product-grid-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-mini-featured {
  padding: 36px; background: var(--c-primary); color: var(--c-white); border-radius: var(--r-lg);
  border: none; box-shadow: var(--shadow-md); transition: all var(--ease);
}
.product-mini-featured:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.product-mini-icon { margin-bottom: 16px; opacity: 0.95; }
.product-mini-featured h4 { color: var(--c-white); margin-bottom: 12px; font-size: 1.1rem; font-weight: 700; }
.product-mini-featured p { color: rgba(255,255,255,0.88); font-size: 0.92rem; }
.product-mini-row { display: flex; flex-direction: column; gap: 18px; }
.product-mini-item {
  padding: 28px; background: var(--c-bg); border-radius: var(--r-md); border: 1px solid var(--c-border);
  flex: 1; transition: all var(--ease); position: relative;
}
.product-mini-item:hover { border-color: rgba(9,132,166,0.2); transform: translateX(4px); }
.product-mini-item { }
.product-mini-item-icon { display: block; margin-bottom: 12px; }
.product-mini-item-icon img { display: block; opacity: 0.85; }
.product-mini-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: 10px; }
.product-mini-item p { font-size: 0.9rem; color: var(--c-text-2); line-height: 1.6; }

.section-advantage { background: var(--c-white); }
.advantage-bento {
  display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 150px; gap: 20px;
}
.advantage-cell { min-height: 150px; }
.advantage-cell-wide { grid-column: span 2; }
.advantage-cell-tall { grid-row: span 2; }
.advantage-cell-inner {
  height: 100%; padding: 28px; background: var(--c-bg); border-radius: var(--r-md);
  border: 1px solid var(--c-border); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; justify-content: center; transition: all var(--ease);
}
.advantage-cell-inner:hover { border-color: var(--c-accent); background: var(--c-accent-light); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.advantage-icon { display: block; margin-bottom: 12px; color: var(--c-accent); }
.advantage-num { font-size: 0.72rem; font-weight: 700; color: var(--c-accent); margin-bottom: 8px; }
.advantage-cell-inner h3 { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; }
.advantage-cell-inner p { font-size: 0.88rem; color: var(--c-text-2); line-height: 1.55; }

.section-security {
  background: linear-gradient(180deg, #0d1f35 0%, #0a1628 100%);
  color: var(--c-white);
}
.section-security .section-title { color: var(--c-white); }
.security-split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; }
.security-intro { font-size: 0.98rem; opacity: 0.88; margin-bottom: 36px; line-height: 1.65; }
.security-dl { display: flex; flex-direction: column; gap: 24px; }
.security-dl dt { font-size: 0.92rem; font-weight: 600; margin-bottom: 8px; color: var(--c-white); }
.security-dl dd { font-size: 0.92rem; opacity: 0.82; line-height: 1.65; padding-left: 0; }
.security-fig { border-radius: var(--r-xl); overflow: hidden; box-shadow: 0 24px 64px rgba(0,0,0,0.4); }
.security-fig img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }

.scenes-masonry {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 20px;
}
.scene-tile {
  border-radius: var(--r-lg); overflow: hidden; position: relative;
  background: var(--c-bg); border: 1px solid var(--c-border); transition: all var(--ease);
}
.scene-tile:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.scene-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.scene-tile:hover img { transform: scale(1.04); }
.scene-tile-large { grid-column: span 2; grid-row: span 2; }
.scene-tile-wide { grid-column: span 4; }
.scene-tile-wide .scene-tile-caption { padding: 28px 32px; }
.scene-tile-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 28px; background: linear-gradient(transparent, rgba(0,0,0,0.75)); color: var(--c-white); transition: background var(--ease); }
.scene-tile:hover .scene-tile-caption { background: linear-gradient(transparent, rgba(0,0,0,0.85)); }
.scene-tile-caption h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.scene-tile-caption p { font-size: 0.85rem; opacity: 0.9; }
.scene-tile-text { padding: 28px; display: flex; flex-direction: column; justify-content: center; transition: all var(--ease); }
.scene-tile-text:hover { border-color: rgba(9,132,166,0.25); background: var(--c-white); }
.scene-tile-icon { display: block; margin-bottom: 14px; color: var(--c-accent); }
.scene-tile-text h3 { font-size: 1.1rem; font-weight: 700; color: var(--c-primary); margin-bottom: 10px; }
.scene-tile-text p { font-size: 0.92rem; color: var(--c-text-2); line-height: 1.6; }

.section-ui { background: var(--c-bg); }
.ui-carousel-wrap { position: relative; padding: 0 64px; }
.ui-carousel { overflow: hidden; border-radius: var(--r-lg); }
.ui-carousel-track {
  display: flex; gap: 28px; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none; -ms-overflow-style: none; padding: 28px 0;
}
.ui-carousel-track::-webkit-scrollbar { display: none; }
.ui-carousel-track img {
  flex: 0 0 240px; width: 240px; aspect-ratio: 9/16; object-fit: cover;
  border-radius: var(--r-md); scroll-snap-align: center; transition: all var(--ease);
  box-shadow: var(--shadow-md);
}
.ui-carousel-track img:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.ui-carousel-nav { position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); pointer-events: none; display: flex; justify-content: space-between; padding: 0 8px; }
.ui-carousel-prev, .ui-carousel-next {
  pointer-events: auto; width: 48px; height: 48px; border-radius: 50%;
  background: var(--c-white); color: var(--c-primary); font-size: 1.6rem; line-height: 1;
  box-shadow: var(--shadow-md); transition: all var(--ease);
}
.ui-carousel-prev:hover, .ui-carousel-next:hover { background: var(--c-accent); color: var(--c-white); transform: scale(1.08); }

.faq-wrap { max-width: 100%; width: 100%; margin: 0; }
.faq-item { border-bottom: 1px solid var(--c-border); transition: background var(--ease); }
.faq-item:hover { background: rgba(9,132,166,0.02); }
.faq-q {
  width: 100%; padding: 20px 0; display: flex; align-items: center; justify-content: space-between;
  font-size: 1rem; font-weight: 600; color: var(--c-primary); text-align: left;
  transition: color var(--ease);
}
.faq-q:hover { color: var(--c-accent); }
.faq-q::after { content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--c-text-2); transition: all var(--ease); }
.faq-item[data-open] .faq-q::after { transform: rotate(45deg); color: var(--c-accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-a p { padding: 0 0 22px; font-size: 0.92rem; color: var(--c-text-2); line-height: 1.7; }

.section-contact { background: var(--c-bg); }
.contact-block { max-width: 600px; margin: 0 auto; }
.contact-intro { margin-bottom: 40px; }
.contact-intro p { font-size: 0.98rem; color: var(--c-text-2); line-height: 1.75; margin-bottom: 14px; }
.contact-dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 48px; }
.contact-dl-item { padding-bottom: 20px; border-bottom: 1px solid var(--c-border); transition: border-color var(--ease); }
.contact-dl-item:hover { border-color: rgba(9,132,166,0.3); }
.contact-dl dt { font-size: 0.82rem; color: var(--c-text-2); margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.contact-dl dt img { opacity: 0.7; }
.contact-dl dd { font-size: 0.98rem; color: var(--c-primary); }
.contact-dl a { transition: color var(--ease); }
.contact-dl a:hover { color: var(--c-accent); }

.site-footer {
  background: linear-gradient(180deg, #0a1628 0%, #071220 100%);
  color: var(--c-white); padding: 48px 24px 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 20px; width: 100%; }
.footer-top {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px;
  padding-bottom: 32px; margin-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { display: flex; align-items: center; gap: 12px; transition: opacity var(--ease); }
.footer-logo:hover { opacity: 0.9; }
.footer-logo .logo-img { border-radius: var(--r-sm); }
.footer-logo-text { font-weight: 700; font-size: 1.2rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 32px; }
.footer-nav a { font-size: 0.9rem; color: rgba(255,255,255,0.8); transition: color var(--ease); }
.footer-nav a:hover { color: var(--c-white); }
.footer-trust {
  display: flex; flex-wrap: wrap; gap: 24px 40px; margin-bottom: 28px;
}
.footer-trust-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: rgba(255,255,255,0.9); font-weight: 500;
}
.footer-trust-item img {
  opacity: 1;
  filter: brightness(0) invert(1);
  -webkit-filter: brightness(0) invert(1);
}
.footer-about {
  margin-bottom: 28px; padding: 20px 24px; background: rgba(255,255,255,0.04);
  border-radius: var(--r-md); border: 1px solid rgba(255,255,255,0.06);
}
.footer-about p { font-size: 0.88rem; color: rgba(255,255,255,0.75); line-height: 1.75; }
.footer-legal {
  text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.6); transition: color var(--ease); margin: 0 8px; }
.footer-legal a:hover { color: var(--c-white); }
.footer-sep { color: rgba(255,255,255,0.25); font-size: 0.8rem; }
.footer-icp { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.4); margin-top: 16px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-phone { order: -1; }
  .hero-phone-frame { width: min(300px, 70vw); }
  .brand-block { grid-template-columns: 1fr; gap: 56px; }
  .brand-visual-wrap { max-width: 520px; margin: 0 auto; }
  .brand-items { grid-template-columns: 1fr; }
  .product-featured-txt { padding: 28px 28px; }
  .product-split { grid-template-columns: 1fr; }
  .product-grid-mini { grid-template-columns: 1fr; }
  .advantage-bento { grid-template-columns: 1fr 1fr; }
  .advantage-cell-wide { grid-column: span 1; }
  .advantage-cell-tall { grid-row: span 1; }
  .security-split { grid-template-columns: 1fr; }
  .security-fig { max-width: 420px; margin: 0 auto; }
  .scenes-masonry { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .scene-tile-large { grid-column: span 2; grid-row: span 1; }
  .scene-tile-wide { grid-column: span 2; }
  .ui-carousel-wrap { padding: 0 52px; }
  .ui-carousel-track img { flex: 0 0 200px; width: 200px; }
  .contact-dl { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-nav { flex-wrap: wrap; }
}
@media (max-width: 768px) {
  .nav-main { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: calc(70px + 36px) 16px 48px; min-height: auto; }
  .section { padding: 48px 16px; }
  .section-inner { padding: 0 12px; }
  .section-title { font-size: 1.5rem; font-weight: 800; }
  .advantage-bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .scenes-masonry { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .scene-tile-large, .scene-tile-wide { grid-column: span 1; }
  .ui-carousel-wrap { padding: 0 24px; }
  .ui-carousel-prev, .ui-carousel-next { width: 42px; height: 42px; font-size: 1.4rem; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-trust { flex-direction: column; gap: 16px; }
  .footer-nav { flex-direction: column; gap: 8px; }
}
@media (min-width: 1400px) {
  :root { --container: 1340px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-phone-frame { width: 260px; }
  .hero-badges { flex-direction: column; align-items: center; }
}

#mobileMenu {
  position: fixed !important; inset: 0 !important;
  z-index: 2147483647 !important;
  display: none; pointer-events: none; visibility: hidden;
  transition: visibility 0.3s ease;
  transform: translateZ(0);
}
#mobileMenu.open {
  display: block; pointer-events: auto; visibility: visible;
}
#mobileMenu .mobile-menu-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.55); cursor: pointer;
  z-index: 1; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
#mobileMenu .mobile-menu-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 85%; max-width: 320px;
  min-height: 100vh; min-height: 100dvh;
  background: #fff; box-shadow: -12px 0 48px rgba(0,0,0,0.3);
  transform: translateX(100%); transition: transform 0.3s ease;
  overflow-y: auto; overflow-x: hidden; z-index: 2;
  -webkit-overflow-scrolling: touch;
}
#mobileMenu.open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--c-border);
  background: #f8fafb;
}
.mobile-menu-logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.1rem; color: var(--c-primary); }
.mobile-menu-logo img { border-radius: var(--r-sm); }
.mobile-menu-close {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--c-text-2); border-radius: var(--r-sm);
  transition: background var(--ease);
}
.mobile-menu-close:hover { background: rgba(0,0,0,0.05); }
.mobile-menu-list { padding: 24px; }
.mobile-menu-list li { margin-bottom: 4px; }
.mobile-menu-list a {
  display: block; padding: 16px 20px; font-size: 1.05rem; font-weight: 500;
  color: var(--c-primary); border-radius: var(--r-md); transition: background var(--ease);
}
.mobile-menu-list a:hover { background: var(--c-accent-light); color: var(--c-accent); }
@media (min-width: 769px) { #mobileMenu { display: none !important; } }