:root {
    --bg: #05060A;
    --bg-panel: rgba(255, 255, 255, 0.03);
    --bg-panel-hover: rgba(255, 255, 255, 0.06);
    --text-main: #F4F5F8;
    --text-muted: #A7ACBB;
    --yellow: #FFD84D;
    --orange: #FFA51F;
    --cyan: #00F0C8;
    --purple: #8A6CFF;
    --gradient-brand: linear-gradient(135deg, var(--yellow), var(--orange));
    --gradient-cyan: linear-gradient(135deg, var(--cyan), #00B8D9);
    --radius-lg: 32px;
    --radius-md: 24px;
    --radius-pill: 999px;
    --font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
      radial-gradient(circle at 15% 50%, rgba(0, 240, 200, 0.05) 0%, transparent 40%),
      radial-gradient(circle at 85% 30%, rgba(255, 216, 77, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
  }

  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  button { font-family: inherit; border: none; cursor: pointer; }

  /* Layout */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all 0.4s ease;
    background: transparent;
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(5, 6, 10, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    transition: height 0.4s ease;
  }

  .site-header.scrolled .header-inner {
    height: 64px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: 0.5px;
  }

  .brand img {
    height: 32px;
    border-radius: 8px;
  }

  .main-nav {
    display: flex;
    gap: 32px;
  }

  .main-nav a {
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.3s;
  }

  .main-nav a:hover {
    color: var(--yellow);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .search-box {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    width: 160px;
    transition: all 0.3s;
  }
  
  .search-box::placeholder { color: #777C8C; }
  .search-box:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 10px rgba(0, 240, 200, 0.2);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-pill);
    font-weight: 800;
    transition: all 0.3s ease;
  }

  .btn-primary {
    background: var(--gradient-brand);
    color: #000;
    padding: 10px 24px;
    font-size: 15px;
    box-shadow: 0 4px 15px rgba(255, 165, 31, 0.3);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 165, 31, 0.5);
  }

  .btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-main);
    padding: 10px 24px;
    font-size: 15px;
    backdrop-filter: blur(10px);
  }

  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--cyan);
    color: var(--cyan);
  }

  /* Download Dropdown */
  .dropdown-wrap {
    position: relative;
  }

  .dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    right: 0;
    width: 320px;
    background: rgba(15, 17, 26, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 240, 200, 0.2);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 200, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95) translateY(-10px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: top right;
    pointer-events: none;
  }

  .dropdown-wrap:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
    pointer-events: auto;
  }

  .dd-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--yellow);
    margin-bottom: 16px;
    text-align: center;
  }

  .dd-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 12px;
    transition: background 0.2s;
  }

  .dd-item:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .dd-item h4 {
    font-size: 14px;
    margin-bottom: 4px;
  }

  .dd-item p {
    font-size: 12px;
    color: var(--text-muted);
  }

  .dd-btn {
    font-size: 12px;
    background: var(--cyan);
    color: #000;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-weight: bold;
  }

  .dd-gift {
    text-align: center;
    font-size: 13px;
    color: var(--orange);
    margin-top: 16px;
    font-weight: bold;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
    z-index: 0;
  }

  .hero-glow {
    position: absolute;
    top: 50%;
    left: 70%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 240, 200, 0.15) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
    transition: transform 0.1s ease-out;
  }

  .hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
  }

  .hero-text h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
  }

  .brand-highlight {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 3s linear infinite;
    display: inline-block;
  }

  @keyframes shine {
    to { background-position: 200% center; }
  }

  .hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 480px;
    line-height: 1.8;
  }

  .hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
  }

  .hero-stats {
    display: flex;
    gap: 40px;
  }

  .stat-item p {
    font-size: 14px;
    color: var(--text-muted);
  }

  .stat-item strong {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-main);
    display: block;
  }

  /* Hero Visual (Capsule) */
  .hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
  }

  .capsule {
    position: relative;
    width: 320px;
    height: 640px;
    border-radius: 160px;
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid rgba(0, 240, 200, 0.3);
    box-shadow: 
      inset 0 0 60px rgba(0, 240, 200, 0.1),
      0 0 40px rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform 0.5s ease;
  }

  .capsule:hover {
    transform: rotateY(0deg) rotateX(0deg) translateY(-10px);
  }

  .capsule-inner-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 160px;
    background: linear-gradient(180deg, rgba(255, 216, 77, 0.1) 0%, transparent 50%, rgba(0, 240, 200, 0.1) 100%);
    pointer-events: none;
  }

  .phone-mockup {
    width: 240px;
    height: 520px;
    background: #000;
    border-radius: 40px;
    border: 6px solid #1A1C23;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
  }

  .phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* Floating Elements */
  .float-card {
    position: absolute;
    background: rgba(15, 17, 26, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 12px 16px;
    font-size: 12px;
    animation: float 4s ease-in-out infinite;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
  }

  .float-card.left { left: -40px; top: 30%; animation-delay: 0s; border-left: 3px solid var(--cyan); }
  .float-card.right { right: -40px; top: 60%; animation-delay: 2s; border-right: 3px solid var(--yellow); }

  @keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
  }

  /* Marquee */
  .energy-marquee {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    padding: 16px 0;
    position: relative;
    z-index: 2;
  }

  .marquee-content {
    display: flex;
    white-space: nowrap;
    animation: scroll 30s linear infinite;
  }

  .marquee-item {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    color: var(--text-muted);
    margin-right: 40px;
  }
  
  .marquee-item::before {
    content: '✦';
    color: var(--cyan);
    margin-right: 10px;
    font-size: 12px;
  }

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

  /* Global Section Styles */
  section {
    padding: 100px 0;
    position: relative;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-title {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 12px;
  }

  .section-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
  }

  /* Emotion Channels */
  .emotion-tabs {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    overflow-x: auto;
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .emotion-tabs::-webkit-scrollbar { display: none; }

  .emotion-tab {
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s;
  }

  .emotion-tab:hover, .emotion-tab.active {
    background: var(--gradient-brand);
    color: #000;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 165, 31, 0.3);
  }

  /* Grid Layouts */
  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  /* Drama Card */
  .drama-card {
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
    position: relative;
    cursor: pointer;
  }

  .drama-card:hover {
    transform: translateY(-10px);
    background: var(--bg-panel-hover);
    border-color: rgba(0, 240, 200, 0.4);
    box-shadow: 0 10px 30px rgba(0, 240, 200, 0.1);
  }

  .card-cover {
    aspect-ratio: 3/4;
    position: relative;
    overflow: hidden;
  }

  .card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .drama-card:hover .card-cover img {
    transform: scale(1.05);
  }

  .card-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    border: 1px solid var(--cyan);
  }

  .card-play::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 6px 0 6px 10px;
    border-color: transparent transparent transparent var(--cyan);
    margin-left: 4px;
  }

  .drama-card:hover .card-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  .card-info {
    padding: 16px;
  }

  .card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
  }

  .tag-exclusive {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--gradient-brand);
    color: #000;
    font-size: 11px;
    font-weight: 900;
    padding: 4px 8px;
    border-radius: 4px;
    z-index: 2;
  }

  /* Ranking Track */
  .ranking-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .rank-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 12px;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }

  .rank-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(8px);
  }

  .rank-item:hover::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--yellow);
    box-shadow: 0 0 10px var(--yellow);
  }

  .rank-num {
    font-size: 24px;
    font-weight: 900;
    font-style: italic;
    width: 40px;
    color: #555;
  }

  .rank-num.top1 { color: #FFD700; text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
  .rank-num.top2 { color: #C0C0C0; text-shadow: 0 0 10px rgba(192, 192, 192, 0.5); }
  .rank-num.top3 { color: #CD7F32; text-shadow: 0 0 10px rgba(205, 127, 50, 0.5); }

  .rank-img {
    width: 60px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    margin-right: 20px;
  }

  .rank-info {
    flex: 1;
  }

  .rank-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .rank-tags {
    font-size: 13px;
    color: var(--text-muted);
  }

  .rank-heat {
    width: 150px;
    margin-left: 20px;
  }
  
  .heat-bar-wrap {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
  }
  
  .heat-bar {
    height: 100%;
    background: var(--gradient-cyan);
    border-radius: 3px;
  }

  .heat-text {
    font-size: 12px;
    color: var(--cyan);
    text-align: right;
  }

  /* AI Section */
  .ai-section {
    background: linear-gradient(180deg, transparent, rgba(138, 108, 255, 0.05), transparent);
  }

  .ai-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
  }

  .ai-panel {
    background: rgba(15, 17, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(138, 108, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }

  .ai-match-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 900;
    color: var(--purple);
    margin: 0 auto 24px;
    box-shadow: 0 0 20px rgba(138, 108, 255, 0.3), inset 0 0 20px rgba(138, 108, 255, 0.2);
  }

  .ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
  }

  .ai-tag {
    background: rgba(138, 108, 255, 0.15);
    color: #B4A2FF;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 13px;
  }

  /* Tech Features */
  .tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .tech-card {
    background: var(--bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s;
  }

  .tech-card:hover {
    background: var(--bg-panel-hover);
    border-color: rgba(0, 240, 200, 0.3);
  }

  .tech-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 240, 200, 0.1);
    color: var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 20px;
  }

  .tech-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .tech-card p {
    font-size: 14px;
    color: var(--text-muted);
  }

  /* VIP Section */
  .vip-container {
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
    padding: 60px;
    position: relative;
    overflow: hidden;
    color: #000;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .vip-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    filter: blur(60px);
  }

  .vip-text {
    position: relative;
    z-index: 1;
    max-width: 500px;
  }

  .vip-text h2 {
    font-size: 40px;
    font-weight: 900;
    margin-bottom: 16px;
  }

  .vip-text p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.8;
  }

  .btn-dark {
    background: #000;
    color: var(--yellow);
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--radius-pill);
    font-weight: bold;
  }

  .btn-dark:hover {
    background: #1A1C23;
    transform: scale(1.05);
  }

  /* Devices */
  .device-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .device-card {
    background: var(--bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
  }

  .device-card:hover {
    background: var(--bg-panel-hover);
    transform: translateY(-5px);
  }

  .device-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .device-card p {
    font-size: 13px;
    color: var(--text-muted);
  }

  /* Download CTA */
  .download-section {
    text-align: center;
    padding: 120px 0;
    background: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  }

  .download-section h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
  }

  .download-section p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
  }

  .store-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
  }

  .store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    transition: all 0.3s;
  }

  .store-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--cyan);
  }

  .store-btn .icon {
    font-size: 24px;
  }

  .store-btn .text span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    text-align: left;
  }
  
  .store-btn .text strong {
    font-size: 16px;
    color: var(--text-main);
  }

  /* Footer */
  .site-footer {
    background: #020305;
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
  }

  .footer-brand h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--yellow);
  }

  .footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 300px;
  }

  .footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .footer-col ul li {
    margin-bottom: 12px;
  }

  .footer-col ul a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color 0.2s;
  }

  .footer-col ul a:hover {
    color: var(--cyan);
  }

  .footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 12px;
    color: #666;
  }

  /* Animations */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
  }

  .reveal.active {
    opacity: 1;
    transform: translateY(0);
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .hero-text h1 { font-size: 48px; }
    .hero-content { gap: 20px; }
    .capsule { width: 260px; height: 520px; border-radius: 130px; }
    .phone-mockup { width: 200px; height: 440px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .ai-container { grid-template-columns: 1fr; }
    .vip-container { flex-direction: column; text-align: center; gap: 32px; padding: 40px; }
    .device-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 768px) {
    .main-nav, .search-box { display: none; }
    .header-inner { height: 64px; }
    .hero { padding-top: 80px; text-align: center; }
    .hero-content { grid-template-columns: 1fr; }
    .hero-text h1 { font-size: 36px; align-items: center; }
    .hero-subtitle { margin: 0 auto 32px; font-size: 16px; }
    .hero-cta { justify-content: center; flex-wrap: wrap; }
    .hero-stats { justify-content: center; gap: 20px; }
    .stat-item strong { font-size: 20px; }
    .hero-visual { margin-top: 40px; }
    .capsule { transform: none; }
    .float-card.left { left: -10px; }
    .float-card.right { right: -10px; }
    .grid-4 { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .rank-heat { display: none; }
    .device-grid { grid-template-columns: 1fr; }
    .store-buttons { flex-direction: column; align-items: center; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-brand p { margin: 0 auto; }
    .download-section h2 { font-size: 32px; }
  }