: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;
  --c-success: #4CAF50;
  --c-info: #2196F3;
  --c-warning: #FF9800;
  --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; overflow-x: hidden; }
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; }

/* ==================== HEADER ==================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 70px;
  background: transparent;
  transition: all var(--ease);
}
.site-header.scrolled {
  height: 62px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
}
.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: 700; font-size: 1.15rem; transition: all var(--ease); }
.logo-link:active { transform: scale(0.98); }
.logo-text { color: var(--c-primary); font-weight: 700; }
.site-header:not(.scrolled) .logo-text { color: var(--c-primary); }
.logo-img { width: 40px; height: 40px; border-radius: var(--r-sm); transition: all var(--ease); }
.site-header.scrolled .logo-img { width: 34px; height: 34px; }

@media (max-width: 640px) {
  .logo-text { display: inline; color: var(--c-primary); font-weight: 700; }
}
.nav-main { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; gap: 40px; }
.nav-list a { font-size: 0.92rem; color: var(--c-text-2); font-weight: 500; transition: all var(--ease); position: relative; }
.nav-list a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px; background: var(--c-accent); transition: width var(--ease); }
.nav-list a:hover { color: var(--c-accent); }
.nav-list a:hover::after { width: 100%; }
.site-header:not(.scrolled) .nav-list a { color: rgba(255,255,255,0.92); }
.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: 5px; padding: 8px; border-radius: var(--r-sm); transition: all var(--ease); }
.nav-toggle:hover { background: rgba(0,0,0,0.06); }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--c-primary); transition: all var(--ease); border-radius: 1px; }
.site-header.scrolled .nav-toggle span { background: var(--c-text); }
.site-header:not(.scrolled) .nav-toggle span { background: var(--c-white); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(8px,8px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px,-7px); }

/* ==================== HERO ==================== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(70px + 40px) 16px 60px;
  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(10,22,40,0.91) 0%, rgba(15,39,68,0.77) 45%, rgba(15,39,68,0.54) 100%);
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.15; pointer-events: none;
}
.hero-glow-1 { width: 480px; height: 480px; background: var(--c-accent); top: -100px; right: -60px; }
.hero-glow-2 { width: 360px; height: 360px; background: var(--c-accent); bottom: 10%; left: -80px; }
.hero-inner {
  position: relative; max-width: var(--container); width: 100%; margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center;
}
.hero-content { color: var(--c-white); animation: slideInLeft 0.8s ease-out 0.2s both; }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.8); margin-bottom: 16px; opacity: 0; animation: fadeInUp 0.6s ease-out 0.3s both;
}
.hero-title {
  font-size: clamp(1.8rem, 5.5vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 16px;
  letter-spacing: -0.04em; text-shadow: 0 4px 24px rgba(0,0,0,0.3); opacity: 0; animation: fadeInUp 0.8s ease-out 0.4s both;
}
.hero-subtitle { font-size: clamp(1rem, 2.5vw, 1.3rem); opacity: 0.88; margin-bottom: 20px; font-weight: 500; opacity: 0; animation: fadeInUp 0.6s ease-out 0.5s both; }
.hero-desc { font-size: clamp(0.9rem, 2vw, 1.05rem); opacity: 0.82; line-height: 1.7; margin-bottom: 32px; max-width: 480px; opacity: 0; animation: fadeInUp 0.6s ease-out 0.6s both; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 32px; flex-wrap: wrap; opacity: 0; animation: fadeInUp 0.6s ease-out 0.7s both; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; font-size: clamp(0.9rem, 2vw, 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:active { transform: scale(0.97); }
.btn-arrow { transition: transform var(--ease); }
.btn-primary { background: var(--c-accent); color: var(--c-white); box-shadow: 0 8px 24px rgba(9,132,166,0.3); }
.btn-primary:hover { background: #0a7294; transform: translateY(-4px); box-shadow: 0 16px 40px rgba(9,132,166,0.4); }
.btn-primary:hover .btn-arrow { transform: translateX(5px); }
.btn-outline { background: transparent; color: var(--c-white); border: 1.5px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--c-white); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; opacity: 0; animation: fadeInUp 0.6s ease-out 0.8s both; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; font-size: 0.8rem; color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.12); border-radius: 24px; border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--ease); backdrop-filter: blur(10px);
}
.hero-badge:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4); transform: translateY(-2px); }
.hero-phone { position: relative; display: flex; flex-direction: column; align-items: center; opacity: 0; animation: slideInRight 0.8s ease-out 0.3s both; }
.hero-phone-frame {
  width: min(280px, 50vw); aspect-ratio: 9/19.2;
  background: linear-gradient(155deg, #1c2026 0%, #0f1114 100%); border-radius: 40px; padding: 12px;
  box-shadow: 0 50px 100px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08), inset 0 1px 0 rgba(255,255,255,0.1);
  animation: heroPhoneFloat 6s ease-in-out infinite; transition: transform var(--ease);
}
.hero-phone-frame:hover { transform: translateY(-8px) scale(1.02); }
@keyframes heroPhoneFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.hero-phone-screen { width: 100%; height: 100%; border-radius: 28px; overflow: hidden; position: relative; background: #0a0b0e; }
.hero-phone-screen .app-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center; opacity: 0; transition: opacity 0.6s ease; }
.hero-phone-screen .app-poster.active { opacity: 1; }
.hero-phone-dots { display: flex; gap: 10px; margin-top: 20px; justify-content: center; }
.hero-phone-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: all var(--ease); }
.hero-phone-dots span:hover { background: rgba(255,255,255,0.7); transform: scale(1.25); }
.hero-phone-dots span.active { background: var(--c-white); width: 28px; border-radius: 5px; }
.hero-note { position: relative; max-width: var(--container); width: 100%; margin: 36px auto 0; padding: 0 20px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.88rem; opacity: 0.72; opacity: 0; animation: fadeInUp 0.6s ease-out 0.9s both; }

/* ==================== SECTIONS ==================== */
.section { padding: 64px 16px; }
.section-inner { max-width: var(--container); margin: 0 auto; padding: 0 20px; width: 100%; }
.section-label {
  display: inline-block; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.25em; color: var(--c-accent);
  margin-bottom: 12px; text-transform: uppercase;
}
.section-label-center { display: block; text-align: center; }
.section-title { font-size: clamp(1.5rem, 4vw, 1.9rem); font-weight: 800; color: var(--c-primary); margin-bottom: 12px; letter-spacing: -0.025em; }
.section-title-center { text-align: center; }
.section-lead { font-size: clamp(0.95rem, 2vw, 1.1rem); color: var(--c-text-2); text-align: center; margin-bottom: 48px; line-height: 1.7; max-width: 580px; margin-left: auto; margin-right: auto; }

/* ==================== BRAND SECTION ==================== */
.section-brand { background: var(--c-bg); }
.brand-block {
  display: grid; grid-template-columns: 45% 1fr; gap: 60px; 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(9,132,166,0.15);
}
.brand-visual-card-1 { width: 100%; height: 100%; top: 12px; left: 12px; z-index: 0; }
.brand-visual-card-2 { width: 100%; height: 100%; top: 24px; left: 24px; 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 0.7s ease; }
.brand-visual:hover img { transform: scale(1.05); }
.brand-body .section-title { margin-bottom: 12px; font-size: clamp(1.4rem, 3.5vw, 1.75rem); }
.brand-lead { font-size: clamp(1rem, 2.5vw, 1.15rem); font-weight: 700; color: var(--c-primary); margin-bottom: 16px; }
.brand-p { font-size: 0.95rem; color: var(--c-text-2); margin-bottom: 32px; line-height: 1.8; }
.brand-items { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brand-item {
  padding: 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(9,132,166,0.4); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.brand-item-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; color: var(--c-accent); margin-bottom: 12px; text-transform: uppercase; }
.brand-item p { font-size: 0.9rem; color: var(--c-text-2); line-height: 1.7; }

/* ==================== PRODUCT SECTION ==================== */
.product-flow { display: flex; flex-direction: column; gap: 52px; }
.product-featured {
  position: relative; border-radius: var(--r-xl); overflow: hidden; background: var(--c-bg);
  box-shadow: var(--shadow-card); transition: all 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 0.7s ease; }
.product-featured:hover .product-featured-img img { transform: scale(1.04); }
.product-featured-txt {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 40px 48px;
  background: linear-gradient(transparent 0%, rgba(15,39,68,0.88) 35%, rgba(15,39,68,0.95) 100%); color: var(--c-white);
}
.product-featured-txt h3 { font-size: clamp(1.3rem, 3.5vw, 1.65rem); font-weight: 800; margin-bottom: 12px; }
.product-featured-txt p { font-size: 0.95rem; opacity: 0.92; line-height: 1.7; max-width: 600px; }
.product-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.product-block {
  display: flex; flex-direction: column; gap: 24px; padding: 36px; 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(9,132,166,0.3); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-img { border-radius: var(--r-md); overflow: hidden; }
.product-img img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 0.6s ease; }
.product-block:hover .product-img img { transform: scale(1.03); }
.product-block-b .product-img img { aspect-ratio: 16/9; }
.product-txt h3 { font-size: clamp(1.1rem, 2.5vw, 1.25rem); font-weight: 700; color: var(--c-primary); margin-bottom: 12px; }
.product-txt p { font-size: 0.92rem; color: var(--c-text-2); line-height: 1.7; }
.product-grid-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-mini-featured {
  padding: 40px; 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(-4px); }
.product-mini-featured h4 { margin-bottom: 12px; font-size: clamp(1rem, 2.5vw, 1.15rem); font-weight: 700; }
.product-mini-featured p { opacity: 0.9; font-size: 0.92rem; line-height: 1.6; }
.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);
}
.product-mini-item:hover { border-color: rgba(9,132,166,0.25); transform: translateX(4px); }
.product-mini-item h4 { font-size: clamp(1rem, 2.5vw, 1.08rem); 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: 1.65; }

/* ==================== ADVANTAGE SECTION ==================== */
.section-advantage { background: var(--c-white); }
.advantage-bento {
  display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(140px, auto); gap: 22px;
}
.advantage-cell { }
.advantage-cell-wide { grid-column: span 2; }
.advantage-cell-tall { grid-row: span 2; }
.advantage-cell-inner {
  height: 100%; padding: 30px; 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); cursor: default;
}
.advantage-cell-inner:hover { border-color: rgba(9,132,166,0.3); box-shadow: var(--shadow-md); transform: translateY(-4px); background: linear-gradient(135deg, rgba(9,132,166,0.04), rgba(9,132,166,0.02)); }
.advantage-icon { font-size: 28px; margin-bottom: 12px; opacity: 0.9; }
.advantage-num { display: block; font-size: clamp(0.8rem, 2vw, 0.92rem); font-weight: 700; color: var(--c-accent); margin-bottom: 8px; letter-spacing: 0.1em; }
.advantage-cell-inner h3 { font-size: clamp(1rem, 2.5vw, 1.15rem); font-weight: 700; color: var(--c-primary); margin-bottom: 10px; line-height: 1.2; }
.advantage-cell-inner p { font-size: 0.9rem; color: var(--c-text-2); line-height: 1.6; }

/* ==================== SECURITY SECTION ==================== */
.section-security { background: var(--c-primary); color: var(--c-white); }
.section-security .section-label { color: rgba(255,255,255,0.7); }
.section-security .section-title { color: var(--c-white); }
.section-security .section-lead { color: rgba(255,255,255,0.85); }
.security-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.security-main { }
.security-intro { font-size: 1.05rem; opacity: 0.88; margin-bottom: 32px; line-height: 1.7; }
.security-dl { }
.security-dl dt { font-weight: 700; font-size: 1.05rem; margin-top: 24px; margin-bottom: 10px; }
.security-dl dt:first-child { margin-top: 0; }
.security-dl dd { opacity: 0.88; margin-bottom: 18px; line-height: 1.7; padding-left: 0; }
.security-fig { position: relative; }
.security-fig img { width: 100%; border-radius: var(--r-lg); }

/* ==================== SCENES SECTION ==================== */
.section-scenes { background: var(--c-bg); }
.scenes-masonry { display: grid; grid-template-columns: 2fr 1fr; grid-auto-rows: 280px; gap: 20px; }
.scene-tile { position: relative; border-radius: var(--r-lg); overflow: hidden; background: var(--c-white); box-shadow: var(--shadow-sm); transition: all var(--ease); }
.scene-tile:hover { box-shadow: var(--shadow-lg); }
.scene-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.scene-tile:hover img { transform: scale(1.05); }
.scene-tile-large { grid-column: span 2; grid-row: span 1; }
.scene-tile-wide { grid-column: span 2; }
.scene-tile-text { background: linear-gradient(135deg, rgba(9,132,166,0.08), rgba(9,132,166,0.02)); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 32px; }
.scene-tile-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 28px;
  background: linear-gradient(transparent 0%, rgba(15,39,68,0.8) 50%, rgba(15,39,68,0.95) 100%); color: var(--c-white);
}
.scene-tile-caption h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.scene-tile-caption p { font-size: 0.9rem; opacity: 0.9; }
.scene-tile-text h3 { font-size: 1.1rem; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; }
.scene-tile-text p { font-size: 0.92rem; color: var(--c-text-2); line-height: 1.6; }

/* ==================== UI SHOWCASE SECTION ==================== */
.section-ui { background: var(--c-white); }
.ui-carousel-wrap { position: relative; }
.ui-carousel { position: relative; }
.ui-carousel-track { display: flex; gap: 16px; overflow-x: auto; scroll-behavior: smooth; padding: 16px 0; scrollbar-width: thin; scrollbar-color: var(--c-border) transparent; }
.ui-carousel-track::-webkit-scrollbar { height: 8px; }
.ui-carousel-track::-webkit-scrollbar-track { background: transparent; }
.ui-carousel-track::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 4px; }
.ui-carousel-track::-webkit-scrollbar-thumb:hover { background: var(--c-accent); }
.ui-carousel-track img { min-width: 240px; height: 480px; border-radius: var(--r-lg); object-fit: cover; 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 { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }
.ui-carousel-prev, .ui-carousel-next { width: 44px; height: 44px; border-radius: 50%; background: var(--c-accent); color: var(--c-white); font-size: 20px; transition: all var(--ease); cursor: pointer; }
.ui-carousel-prev:hover, .ui-carousel-next:hover { background: #0a7294; transform: scale(1.08); box-shadow: 0 8px 24px rgba(9,132,166,0.3); }
.ui-carousel-prev:active, .ui-carousel-next:active { transform: scale(0.95); }

/* ==================== FAQ SECTION ==================== */
.section-faq { background: var(--c-bg); }
.faq-wrap { width: 100%; }
.faq-item { border-bottom: 1px solid var(--c-border); padding: 24px 0; transition: all var(--ease); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%; padding: 12px 0; font-size: clamp(0.95rem, 2.5vw, 1.05rem); font-weight: 600; color: var(--c-primary);
  transition: all var(--ease); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q:before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--c-accent-light);
  border-radius: 50%;
  color: var(--c-accent);
  font-weight: 700;
  transition: all var(--ease);
  flex-shrink: 0;
  order: 2;
}
.faq-item[data-open] .faq-q:before { content: '−'; background: var(--c-accent); color: var(--c-white); }
.faq-q:hover { color: var(--c-accent); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height var(--ease);
}
.faq-a p { padding: 0 0 0 40px; color: var(--c-text-2); line-height: 1.8; font-size: 0.95rem; }

/* ==================== DOWNLOAD SECTION ==================== */
.mpdl-download-bar{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);padding:60px 20px;text-align:center;color:#fff;position:relative;overflow:hidden}
.mpdl-download-bar::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%, rgba(9,132,166,0.1) 0%, transparent 50%),radial-gradient(circle at 80% 80%, rgba(9,132,166,0.08) 0%, transparent 50%);pointer-events:none}
.mpdl-container{max-width:1000px;margin:0 auto;position:relative;z-index:1}
.mpdl-trust-header{margin-bottom:40px}
.mpdl-title{font-size:28px;font-weight:700;margin:0 0 12px;color:#fff}
.mpdl-subtitle{font-size:15px;color:rgba(255,255,255,.8);margin:0 0 20px;font-weight:500}
.mpdl-trust-badges{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:0}
.trust-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:20px;font-size:13px;font-weight:600;color:#fff;transition:all .3s ease}
.trust-badge:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.trust-badge i{font-size:14px}
.trust-badge-verified{border-color:rgba(76,175,80,.3);background:rgba(76,175,80,.08)}
.trust-badge-secure{border-color:rgba(52,168,224,.3);background:rgba(52,168,224,.08)}
.trust-badge-scanned{border-color:rgba(156,39,176,.3);background:rgba(156,39,176,.08)}
.mpdl-cards{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin:40px 0}
.mpdl-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 24px;border-radius:20px;background:linear-gradient(135deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.06) 100%);backdrop-filter:blur(12px);border:1.5px solid rgba(255,255,255,.2);min-width:220px;flex:0 1 calc(33.333% - 16px);max-width:300px;text-decoration:none;color:#fff;transition:all .3s ease;text-align:center}
.mpdl-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,0,0,.4);background:linear-gradient(135deg, rgba(255,255,255,.18) 0%, rgba(255,255,255,.12) 100%);border-color:rgba(255,255,255,.3)}
.mpdl-card-badge{position:absolute;top:12px;right:12px;padding:6px 12px;background:linear-gradient(135deg, #4CAF50 0%, #45a049 100%);border-radius:12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 4px 12px rgba(76,175,80,.3)}
.mpdl-card-badge-official{background:linear-gradient(135deg, #34a8e0 0%, #2196F3 100%);box-shadow:0 4px 12px rgba(33,150,243,.3)}
.mpdl-icon{font-size:40px;margin:8px 0}
.mpdl-card-android .mpdl-icon{color:#4CAF50}
.mpdl-card-ios .mpdl-icon{color:#555}
.mpdl-card-windows .mpdl-icon{color:#0078d4}
.mpdl-card-title{font-size:17px;font-weight:700;margin-top:4px}
.mpdl-card-desc{font-size:13px;color:rgba(255,255,255,.7);font-weight:500}
.mpdl-card-meta{display:flex;gap:16px;margin:12px 0;justify-content:center;padding:12px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1)}
.mpdl-meta-item{display:flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,.8);font-weight:600}
.mpdl-meta-item i{font-size:13px;color:#FFD700}
.mpdl-security-info{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:12px}
.security-tag{display:inline-block;padding:6px 10px;background:rgba(76,175,80,.2);border:1px solid rgba(76,175,80,.4);border-radius:8px;font-size:11px;font-weight:600;color:rgba(255,255,255,.9);text-align:center}
.security-tag:first-child{background:rgba(33,150,243,.2);border-color:rgba(33,150,243,.4)}
.mpdl-disabled{opacity:.35;pointer-events:none;cursor:not-allowed}
.mpdl-disabled .mpdl-card-desc{color:rgba(255,200,124,.8)}
.mpdl-security-notice{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:50px 0;padding:40px;background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border-radius:20px;border:1px solid rgba(255,255,255,.15)}
.mpdl-notice-item{display:flex;gap:16px;align-items:flex-start}
.notice-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:rgba(76,175,80,.2);border-radius:12px;font-size:20px;color:#4CAF50}
.notice-content h4{margin:0 0 8px;font-size:14px;font-weight:700;color:#fff}
.notice-content p{margin:0;font-size:12px;color:rgba(255,255,255,.7);line-height:1.5}
.mpdl-compliance{margin:50px 0;padding:32px;background:rgba(76,175,80,.1);border-left:4px solid #4CAF50;border-radius:12px}
.mpdl-compliance h3{margin:0 0 24px;font-size:16px;font-weight:700;color:#fff}
.compliance-badges{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.compliance-badge{padding:20px;background:rgba(255,255,255,.08);border-radius:12px;border:1px solid rgba(255,255,255,.15);text-align:center;transition:all .3s ease}
.compliance-badge:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-4px)}
.badge-icon{font-size:28px;display:block;margin-bottom:8px}
.compliance-badge p{margin:0;font-size:12px;color:rgba(255,255,255,.8);line-height:1.6}
.compliance-badge strong{color:#fff;display:block;margin-bottom:4px}
.compliance-badge a{color:#34a8e0;text-decoration:none;transition:color .2s}
.compliance-badge a:hover{color:#fff}

/* ==================== ANIMATIONS ==================== */
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes reveal { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

.reveal { animation: reveal 0.6s ease-out forwards; }
.reveal.visible { animation: none; opacity: 1; transform: translateY(0); }

/* ==================== MOBILE MENU ==================== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}
.mobile-menu-panel {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 85%;
  max-width: 320px;
  background: var(--c-white);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--ease);
  overflow-y: auto;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
}
.mobile-menu.open .mobile-menu-panel {
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-border);
}
.mobile-menu-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--c-primary);
  font-size: 1rem;
}
.mobile-menu-logo img {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
}
.mobile-menu-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 20px;
  transition: all var(--ease);
}
.mobile-menu-close:active {
  background: var(--c-border);
  color: var(--c-primary);
}
.mobile-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mobile-menu-list li {
  border-bottom: 1px solid var(--c-border);
}
.mobile-menu-list a {
  display: block;
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text);
  transition: all var(--ease);
}
.mobile-menu-list a:active {
  background: var(--c-accent-light);
  color: var(--c-accent);
}

/* ==================== RESPONSIVE DESIGN ==================== */

/* Large Tablets & Small Desktops (768px - 1024px) */
@media (max-width: 1024px) {
  :root {
    --space-lg: 40px;
    --space-xl: 72px;
  }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-phone { display: none; }
  .hero-desc { max-width: 100%; }

  .brand-block { grid-template-columns: 1fr; gap: 40px; }
  .product-split { grid-template-columns: 1fr; gap: 32px; }

  .advantage-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .advantage-cell-wide { grid-column: span 1; }
  .advantage-cell-tall { grid-row: span 1; }

  .security-split { grid-template-columns: 1fr; gap: 40px; }
  .security-fig { display: none; }

  .scenes-masonry { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .scene-tile-large { grid-column: span 1; }
  .scene-tile-wide { grid-column: span 1; }
}

/* Tablets (640px - 767px) */
@media (max-width: 767px) {
  .nav-list { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: calc(70px + 30px) 12px 50px; }
  .hero-actions { gap: 12px; }
  .btn { padding: 12px 24px; font-size: 0.92rem; }

  .section { padding: 48px 12px; }
  .section-inner { padding: 0 16px; }
  .section-title { font-size: 1.5rem; }
  .section-lead { margin-bottom: 36px; }

  .brand-items { grid-template-columns: 1fr; }
  .product-grid-mini { grid-template-columns: 1fr; }

  .advantage-bento { grid-template-columns: 1fr; gap: 16px; }
  .advantage-cell-inner { padding: 24px; min-height: 0; }

  .faq-q:before { width: 22px; height: 22px; font-size: 14px; margin-right: 12px; }
  .faq-a p { padding-left: 34px; }
}

/* Mobile Phones (max 639px) */
@media (max-width: 639px) {
  :root {
    --space: 18px;
    --space-lg: 32px;
  }

  .logo-text { display: inline; color: var(--c-primary); font-weight: 700; font-size: 0.95rem; }
  .logo-img { width: 36px; height: 36px; }

  .hero { padding: calc(70px + 24px) 12px 40px; }
  .hero-title { font-size: 1.6rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-desc { font-size: 0.95rem; margin-bottom: 24px; }
  .hero-actions { gap: 10px; flex-direction: column; }
  .btn { width: 100%; }
  .hero-badges { justify-content: flex-start; }

  .section { padding: 40px 12px; }
  .section-inner { padding: 0 12px; }
  .section-title { font-size: 1.3rem; margin-bottom: 16px; }
  .section-label { font-size: 0.65rem; }
  .section-lead { font-size: 0.92rem; margin-bottom: 28px; }

  .brand-p { font-size: 0.9rem; }
  .brand-item { padding: 18px 20px; }

  .product-featured-txt { padding: 28px 24px; }
  .product-featured-txt h3 { font-size: 1.2rem; }
  .product-block { padding: 24px; gap: 18px; }

  .advantage-cell-inner { padding: 20px; }
  .advantage-icon { font-size: 24px; }
  .advantage-cell-inner h3 { font-size: 1rem; }

  .faq-q { font-size: 0.95rem; }
  .faq-a p { font-size: 0.9rem; padding-left: 30px; }

  .scenes-masonry { grid-auto-rows: 200px; gap: 16px; }
  .scene-tile-caption { padding: 20px; }
  .scene-tile-caption h3 { font-size: 1rem; }
  .scene-tile-text { padding: 20px; }

  .ui-carousel-track img { min-width: 180px; height: 360px; }
  .ui-carousel-track { gap: 12px; }

  /* Download section optimization */
  .mpdl-cards { display: flex; flex-direction: column; gap: 14px; }
  .mpdl-card { width: 100%; max-width: none; padding: 28px 20px; margin: 0; }

  /* Header adjustments */
  .header-inner { padding: 0 12px; }
}

/* Extra Small Phones (max 380px) */
@media (max-width: 380px) {
  .logo-img { width: 32px; height: 32px; }
  .site-header.scrolled .logo-img { width: 28px; height: 28px; }

  .hero-title { font-size: 1.4rem; }
  .hero-subtitle { font-size: 0.95rem; margin-bottom: 16px; }
  .hero-actions { gap: 8px; }
  .btn { padding: 11px 20px; font-size: 0.88rem; }

  .section-title { font-size: 1.2rem; }
  .mpdl-cards { flex-direction: column; }
  .mpdl-title { font-size: 18px; }
}

/* Landscape Mode */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { min-height: auto; padding: calc(70px + 20px) 16px 40px; }
  .hero-inner { gap: 20px; }
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ==================== FOOTER ==================== */
footer {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 56px 20px 32px;
}
footer .section-inner {
  padding: 0 20px;
}
.footer-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--c-white);
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 12px;
}
.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  transition: color var(--ease);
}
.footer-col a:hover {
  color: var(--c-white);
}
.footer-trust {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}
.footer-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  opacity: 0.95;
}
.footer-trust-item i {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
}
.footer-trust-item img {
  opacity: 0.9;
  filter: brightness(0) invert(1);
}
.footer-about {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 32px;
}
.footer-legal {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}
.footer-legal a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--ease);
}
.footer-legal a:hover {
  color: var(--c-white);
}
.footer-sep {
  margin: 0 8px;
  opacity: 0.5;
}
.footer-copy {
  margin-top: 12px;
  opacity: 0.8;
}
.footer-copy a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--ease);
}
.footer-copy a:hover {
  color: var(--c-white);
}

@media (max-width: 767px) {
  footer {
    padding: 40px 16px 24px;
  }
  footer .section-inner {
    padding: 0 16px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 32px;
  }
  .footer-col h4 {
    font-size: 0.95rem;
    margin-bottom: 14px;
  }
  .footer-trust {
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 28px;
  }
  .footer-legal {
    font-size: 0.8rem;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #0f1419;
    --c-border: #2a2f3a;
    --c-text: #e5e8eb;
    --c-text-2: #a8b0ba;
  }

  .site-header.scrolled { background: rgba(15,20,25,0.95); }
}