/* roulang page: index */
:root {
      --bg: #050B14;
      --bg-deep: #03070d;
      --navy-1: #0B1F3A;
      --navy-2: #123056;
      --cyan: #22D3EE;
      --cyan-2: #67E8F9;
      --paint: #60A5FA;
      --foam: #E8F4FF;
      --warn: #F59E0B;
      --text: #D7E6F5;
      --muted: #8BA3BD;
      --glass: rgba(10, 28, 52, .55);
      --glass-2: rgba(8, 22, 42, .72);
      --stroke: rgba(125, 211, 252, .28);
      --stroke-strong: rgba(34, 211, 238, .55);
      --inner-shine: rgba(255, 255, 255, .18);
      --danger: #F87171;
      --radius-card: 20px;
      --radius-btn: 999px;
      --glow: 0 0 24px rgba(34, 211, 238, .35);
      --glow-lg: 0 0 36px rgba(34, 211, 238, .5);
      --container: 1240px;
      --header-offset: 112px;
      --space-d: 104px;
      --space-m: 64px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      background: var(--bg);
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
      letter-spacing: .01em;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    p { margin: 0; }
    h1, h2, h3, h4 { margin: 0; letter-spacing: -.02em; color: var(--foam); }
    :focus { outline: none; }
    :focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
      box-shadow: 0 0 0 4px rgba(34, 211, 238, .28);
    }
    .container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }
    .skip-link { position: absolute; left: -999px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
    }
    .topbar {
      height: 38px;
      background: #02060c;
      border-bottom: 1px solid rgba(125, 211, 252, .12);
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .topbar-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .topbar a {
      min-height: 32px;
      display: inline-flex;
      align-items: center;
      color: var(--foam);
    }
    .topbar a:hover { color: var(--cyan); }
    .topbar-cta {
      color: var(--cyan) !important;
      font-weight: 600;
    }
    .nav-main {
      height: 70px;
      background: rgba(8, 18, 34, .62);
      backdrop-filter: blur(18px) saturate(1.2);
      -webkit-backdrop-filter: blur(18px) saturate(1.2);
      border-bottom: 1px solid var(--stroke);
      transition: height .25s ease, background .25s ease;
    }
    .site-header.is-compact .nav-main {
      height: 58px;
      background: rgba(5, 11, 20, .86);
    }
    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      flex-shrink: 0;
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: linear-gradient(160deg, rgba(34, 211, 238, .28), rgba(11, 31, 58, .9));
      border: 1px solid var(--stroke);
      box-shadow: var(--glow);
      display: grid;
      place-items: center;
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }
    .logo-text strong {
      font-size: 16px;
      font-weight: 800;
      color: var(--foam);
    }
    .logo-text span {
      font-size: 12px;
      color: var(--cyan);
      letter-spacing: .08em;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-links a {
      position: relative;
      min-height: 44px;
      padding: 0 12px;
      display: inline-flex;
      align-items: center;
      color: var(--text);
      font-size: 14px;
      font-weight: 500;
    }
    .nav-links a:hover { color: var(--cyan-2); }
    .nav-links a.is-active { color: var(--foam); }
    .nav-links a.is-active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 8px;
      height: 2px;
      background: var(--cyan);
      box-shadow: 0 0 12px var(--cyan);
      border-radius: 999px;
    }
    .btn-glow,
    .btn-ghost,
    .btn-mini {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 22px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: 14px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn-glow {
      background: linear-gradient(180deg, #67E8F9 0%, #22D3EE 58%, #0891B2 100%);
      color: #04232B;
      box-shadow: var(--glow);
      border: 1px solid rgba(232, 244, 255, .35);
    }
    .btn-glow:hover { transform: translateY(-2px); box-shadow: var(--glow-lg); }
    .btn-glow:active { transform: translateY(1px) scale(.98); }
    .btn-ghost {
      background: rgba(10, 28, 52, .45);
      color: var(--foam);
      border: 1px solid var(--stroke);
      backdrop-filter: blur(18px) saturate(1.2);
    }
    .btn-ghost:hover {
      border-color: var(--stroke-strong);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }
    .btn-ghost:active { transform: translateY(1px); }
    .btn-mini { min-height: 40px; padding: 0 16px; font-size: 13px; }
    .nav-cta { flex-shrink: 0; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--stroke);
      background: var(--glass);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: var(--foam);
      border-radius: 2px;
      transition: .2s ease;
    }
    .drawer {
      position: fixed;
      inset: 0 0 0 auto;
      width: min(86vw, 360px);
      background: var(--glass-2);
      backdrop-filter: blur(18px) saturate(1.2);
      -webkit-backdrop-filter: blur(18px) saturate(1.2);
      border-left: 1px solid var(--stroke);
      transform: translateX(110%);
      transition: transform .28s ease;
      z-index: 90;
      padding: 24px 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a {
      min-height: 48px;
      display: flex;
      align-items: center;
      padding: 0 12px;
      border-radius: 12px;
      color: var(--foam);
    }
    .drawer a:hover, .drawer a.is-active { background: rgba(34, 211, 238, .08); color: var(--cyan); }
    .drawer-mask {
      position: fixed;
      inset: 0;
      background: rgba(2, 6, 12, .55);
      opacity: 0;
      pointer-events: none;
      transition: opacity .28s ease;
      z-index: 85;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    main { display: block; }
    .section {
      position: relative;
      padding: var(--space-d) 0;
      scroll-margin-top: var(--header-offset);
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--stroke);
      background: rgba(34, 211, 238, .08);
      color: var(--cyan);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
    }
    .section h2 {
      font-size: clamp(26px, 3vw, 32px);
      line-height: 1.3;
      max-width: 18em;
    }
    .section-lead {
      margin-top: 14px;
      max-width: 760px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.75;
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 24px;
      margin-bottom: 36px;
    }
    .hero {
      position: relative;
      min-height: calc(100vh - 108px);
      min-height: 720px;
      overflow: hidden;
      padding: 0;
    }
    .hero-track, .hero-slide {
      position: absolute;
      inset: 0;
    }
    .hero-slide {
      opacity: 0;
      transform: scale(1.04);
      transition: opacity .7s ease, transform 1.1s ease;
      background: #050B14 center/cover no-repeat;
    }
    .hero-slide.is-active {
      opacity: 1;
      transform: scale(1);
      z-index: 1;
    }
    .hero-slide::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(5, 11, 20, .82) 0%, rgba(5, 11, 20, .46) 48%, rgba(5, 11, 20, .28) 100%),
        radial-gradient(circle at 78% 20%, rgba(34, 211, 238, .18), transparent 28%);
    }
    .hero-content {
      position: relative;
      z-index: 3;
      min-height: inherit;
      display: grid;
      align-items: center;
      padding: 72px 0 48px;
    }
    .glass-panel {
      width: min(100%, 720px);
      background: var(--glass);
      backdrop-filter: blur(18px) saturate(1.2);
      -webkit-backdrop-filter: blur(18px) saturate(1.2);
      border: 1px solid var(--stroke);
      border-radius: var(--radius-card);
      box-shadow: var(--glow), inset 0 1px 0 var(--inner-shine);
      padding: 32px 32px 26px;
    }
    .brand-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: .12em;
      margin-bottom: 16px;
    }
    .hero h1, .hero-visual-title {
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.2;
      font-weight: 900;
      color: var(--foam);
      max-width: 12em;
    }
    .hero-copy {
      margin: 16px 0 22px;
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .metric-strip {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }
    .metric {
      background: rgba(5, 11, 20, .35);
      border: 1px solid rgba(125, 211, 252, .18);
      border-radius: 14px;
      padding: 10px 12px;
    }
    .metric b {
      display: block;
      color: var(--cyan);
      font-size: 18px;
      line-height: 1.3;
    }
    .metric span { color: var(--muted); font-size: 12px; }
    .hero-controls {
      position: absolute;
      z-index: 4;
      left: 0;
      right: 0;
      bottom: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      pointer-events: none;
    }
    .hero-arrows, .hero-dots { pointer-events: auto; display: flex; gap: 10px; align-items: center; }
    .hero-arrows button, .hero-dots button {
      width: 44px;
      height: 44px;
      border-radius: 999px;
      border: 1px solid var(--stroke);
      background: var(--glass);
      color: var(--foam);
      backdrop-filter: blur(18px);
    }
    .hero-arrows button:hover, .hero-dots button.is-active {
      border-color: var(--cyan);
      box-shadow: var(--glow);
    }
    .hero-dots button { width: 14px; height: 14px; padding: 0; }
    .dots-wrap { background: var(--glass); border: 1px solid var(--stroke); border-radius: 999px; padding: 8px 12px; }
    .split {
      display: grid;
      grid-template-columns: 1.25fr .9fr;
      gap: 40px;
      align-items: center;
    }
    .spec-dir {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      margin: 28px 0 0;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 14px;
      border: 1px solid rgba(125, 211, 252, .16);
      background: rgba(11, 31, 58, .5);
      font-size: 14px;
    }
    .spec-item b { color: var(--cyan); font-weight: 700; }
    .media-frame {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--stroke);
      box-shadow: var(--glow);
      aspect-ratio: 4/5;
    }
    .media-frame img { width: 100%; height: 100%; object-fit: cover; }
    .media-caption {
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      padding: 10px 12px;
      border-radius: 12px;
      background: var(--glass);
      backdrop-filter: blur(18px);
      border: 1px solid var(--stroke);
      font-size: 13px;
      color: var(--foam);
    }
    .glass-card {
      background: var(--glass);
      backdrop-filter: blur(18px) saturate(1.2);
      -webkit-backdrop-filter: blur(18px) saturate(1.2);
      border: 1px solid var(--stroke);
      border-radius: var(--radius-card);
      box-shadow: inset 0 1px 0 var(--inner-shine);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .glass-card:hover {
      transform: translateY(-5px);
      border-color: var(--stroke-strong);
      box-shadow: var(--glow), inset 0 1px 0 var(--inner-shine);
    }
    .cap-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .cap-card { padding: 22px; min-height: 180px; display: flex; flex-direction: column; }
    .cap-card:nth-child(1) { grid-row: span 2; min-height: 390px; padding: 28px; }
    .cap-card:nth-child(3) { min-height: 210px; }
    .cap-card:nth-child(5) { padding-top: 18px; }
    .icon-well {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      margin-bottom: 16px;
      border: 1px solid var(--stroke);
      background: rgba(34, 211, 238, .1);
      color: var(--cyan);
    }
    .cap-card:nth-child(1) .icon-well { width: 64px; height: 64px; }
    .cap-card h3 { font-size: 21px; line-height: 1.4; margin-bottom: 8px; }
    .cap-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }
    .cap-card .meta { margin-top: auto; padding-top: 16px; color: var(--cyan); font-size: 13px; font-weight: 600; }
    .hot-grid {
      display: grid;
      grid-template-columns: 1.7fr .95fr;
      gap: 16px;
    }
    .hot-stack { display: grid; gap: 16px; }
    .cover-card { overflow: hidden; display: flex; flex-direction: column; }
    .cover {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
    }
    .cover img { width: 100%; height: 100%; object-fit: cover; }
    .badge {
      position: absolute;
      top: 14px;
      left: 14px;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(5, 11, 20, .72);
      border: 1px solid var(--stroke);
      color: var(--foam);
      font-size: 12px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
    }
    .badge-warn { background: rgba(245, 158, 11, .92); color: #1a1203; border-color: transparent; }
    .cover-body { padding: 18px 18px 20px; }
    .cover-body h3 { font-size: 20px; line-height: 1.4; margin-bottom: 8px; }
    .cover-body p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
    .meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--cyan); font-size: 13px; margin-bottom: 14px; }
    .scene-rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(280px, 1fr);
      gap: 16px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 8px;
    }
    .scene-card { scroll-snap-align: start; min-width: 0; overflow: hidden; }
    .scene-card .cover { aspect-ratio: 16/10; }
    .scene-card .cover-body { padding: 16px; }
    .steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 12px;
      margin-bottom: 28px;
    }
    .step {
      position: relative;
      padding: 16px;
      border-radius: 16px;
      background: rgba(11, 31, 58, .6);
      border: 1px solid rgba(125, 211, 252, .16);
    }
    .step b { display: block; color: var(--cyan); font-size: 12px; margin-bottom: 6px; }
    .step h3 { font-size: 18px; margin-bottom: 6px; }
    .step p { color: var(--muted); font-size: 13px; }
    .demo-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 20px;
      align-items: stretch;
    }
    .compare {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--stroke);
      aspect-ratio: 16/10;
      user-select: none;
    }
    .compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .compare-before-wrap { position: absolute; inset: 0; width: 52%; overflow: hidden; }
    .compare-handle {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 52%;
      width: 2px;
      background: var(--cyan);
      box-shadow: var(--glow);
    }
    .compare-handle span {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 44px;
      height: 44px;
      border-radius: 999px;
      transform: translate(-50%, -50%);
      background: var(--glass-2);
      border: 1px solid var(--cyan);
      color: var(--foam);
      display: grid;
      place-items: center;
      font-size: 12px;
    }
    .compare input[type="range"] {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      cursor: ew-resize;
      z-index: 3;
    }
    .dark-band {
      background:
        linear-gradient(180deg, rgba(5, 11, 20, .3), rgba(5, 11, 20, .72)),
        #071525;
      padding: 96px 0;
      border-block: 1px solid rgba(34, 211, 238, .16);
      box-shadow: inset 0 1px 0 rgba(34, 211, 238, .18), inset 0 -1px 0 rgba(34, 211, 238, .18);
    }
    .quote-glass {
      width: min(100%, 920px);
      margin: 0 auto;
      padding: 36px;
      text-align: left;
    }
    .quote-glass p { font-size: 22px; line-height: 1.6; color: var(--foam); }
    .quote-glass small { display: block; margin-top: 16px; color: var(--muted); }
    .thumb-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
    .thumb-row img { width: 100%; height: 120px; object-fit: cover; border-radius: 14px; border: 1px solid var(--stroke); }
    .timeline { display: grid; gap: 16px; }
    .time-item {
      display: grid;
      grid-template-columns: 160px 1fr 180px;
      gap: 18px;
      align-items: center;
      padding: 16px;
    }
    .time-item img { width: 160px; height: 100px; object-fit: cover; border-radius: 14px; }
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      align-items: stretch;
    }
    .price-card { padding: 26px 22px; position: relative; }
    .price-card.is-featured {
      border-color: var(--cyan);
      box-shadow: var(--glow-lg), inset 0 1px 0 var(--inner-shine);
      transform: translateY(-8px);
    }
    .price-card .yen {
      font-size: 40px;
      line-height: 1;
      color: var(--foam);
      font-weight: 900;
      margin: 10px 0 6px;
    }
    .price-card .yen em { font-size: 16px; font-style: normal; color: var(--muted); }
    .price-card ul { margin: 16px 0 22px; display: grid; gap: 8px; }
    .price-card li {
      padding-left: 16px;
      position: relative;
      color: var(--text);
      font-size: 14px;
    }
    .price-card li::before {
      content: "";
      width: 7px; height: 7px;
      border-radius: 99px;
      background: var(--cyan);
      position: absolute;
      left: 0; top: 9px;
    }
    .corner-flag {
      position: absolute;
      top: 16px;
      right: 16px;
      background: var(--warn);
      color: #1a1203;
      font-size: 12px;
      font-weight: 800;
      border-radius: 999px;
      padding: 4px 10px;
    }
    .story-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 16px;
    }
    .story-side { display: grid; gap: 16px; }
    .story-card { display: grid; grid-template-columns: 140px 1fr; overflow: hidden; }
    .story-main { grid-template-columns: 1.1fr 1fr; min-height: 320px; }
    .story-card img { width: 100%; height: 100%; object-fit: cover; min-height: 140px; }
    .story-card div { padding: 18px; }
    .stats-band {
      background: linear-gradient(90deg, #071224, #0B1F3A 40%, #123056);
      border-block: 1px solid var(--stroke);
      padding: 42px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .stat {
      text-align: center;
      padding: 12px;
    }
    .stat b {
      display: block;
      font-size: 40px;
      line-height: 1.1;
      color: var(--cyan);
      text-shadow: 0 0 24px rgba(34, 211, 238, .45);
      font-weight: 900;
    }
    .stat span { color: var(--muted); font-size: 14px; }
    .review-wall {
      columns: 3;
      column-gap: 16px;
    }
    .review-card {
      break-inside: avoid;
      margin-bottom: 16px;
      padding: 18px;
    }
    .stars { color: #F59E0B; letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .tag {
      display: inline-flex;
      min-height: 24px;
      padding: 0 8px;
      border-radius: 999px;
      border: 1px solid var(--stroke);
      color: var(--cyan);
      font-size: 12px;
      margin-right: 6px;
    }
    .review-card p { font-size: 14px; color: var(--text); margin: 8px 0 10px; }
    .review-card .who { color: var(--muted); font-size: 13px; }
    .review-wall .review-card:nth-child(2n) { transform: translateY(10px); }
    .mouth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .news-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; }
    .news-card h3 { font-size: 18px; margin: 10px 0 8px; }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item { overflow: hidden; }
    .faq-q {
      width: 100%;
      min-height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 14px 18px;
      color: var(--foam);
      font-size: 16px;
      font-weight: 700;
      text-align: left;
    }
    .faq-q i {
      width: 28px; height: 28px; border-radius: 99px;
      border: 1px solid var(--stroke);
      display: grid; place-items: center;
      transition: transform .2s ease;
      color: var(--cyan);
      font-style: normal;
    }
    .faq-item.is-open .faq-q i { transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      border-top: 1px solid rgba(34, 211, 238, .12);
    }
    .faq-item.is-open .faq-a { display: block; padding-top: 12px; }
    .cta-box {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      padding: 28px;
      background: rgba(8, 18, 36, .72);
      box-shadow: var(--glow), inset 0 1px 0 var(--inner-shine);
    }
    form { display: grid; gap: 12px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    label { font-size: 13px; color: var(--muted); display: grid; gap: 6px; }
    input, select, textarea {
      min-height: 46px;
      border-radius: 12px;
      border: 1px solid rgba(125, 211, 252, .22);
      background: rgba(5, 11, 20, .72);
      color: var(--foam);
      padding: 0 12px;
    }
    textarea { min-height: 88px; padding: 10px 12px; resize: vertical; }
    input:focus, select:focus, textarea:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(34, 211, 238, .18);
      outline: none;
    }
    .is-error { border-color: var(--danger) !important; }
    .err { color: #FCA5A5; font-size: 12px; min-height: 16px; }
    .form-ok {
      display: none;
      padding: 12px 14px;
      border-radius: 12px;
      border: 1px solid var(--stroke);
      color: var(--cyan);
      background: rgba(34, 211, 238, .08);
    }
    .cta-side { padding: 8px 6px; }
    .cta-side h3 { font-size: 22px; margin-bottom: 10px; }
    .info-list { display: grid; gap: 10px; color: var(--text); font-size: 15px; margin: 16px 0; }
    .site-footer {
      background: #02060c;
      border-top: 1px solid rgba(125, 211, 252, .16);
      padding: 56px 0 28px;
      color: var(--muted);
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .9fr 1.1fr .8fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    .site-footer h3 { font-size: 16px; margin-bottom: 12px; }
    .site-footer a { display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: var(--cyan); }
    .tiny-map {
      height: 92px;
      border-radius: 14px;
      border: 1px solid var(--stroke);
      background:
        radial-gradient(circle at 62% 48%, rgba(34, 211, 238, .45), transparent 8%),
        linear-gradient(135deg, #0B1F3A, #123056);
      position: relative;
      margin-top: 10px;
    }
    .tiny-map span {
      position: absolute;
      left: 12px;
      bottom: 10px;
      font-size: 12px;
      color: var(--foam);
    }
    .copy {
      border-top: 1px solid rgba(125, 211, 252, .1);
      padding-top: 16px;
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .foam-dots {
      pointer-events: none;
      background-image: radial-gradient(circle, rgba(232, 244, 255, .16) 0 1px, transparent 1.6px);
      background-size: 18px 18px;
    }
    @media (max-width: 1279px) {
      .glass-panel { width: min(100%, 640px); padding: 26px; }
      .cap-grid { grid-template-columns: 1.2fr 1fr 1fr; }
    }
    @media (min-width: 1280px) {
      .glass-panel { width: 760px; padding: 40px 38px 30px; }
      .hero { min-height: 780px; }
    }
    @media (max-width: 1023px) {
      :root { --header-offset: 108px; --space-d: 80px; }
      .nav-links, .nav-cta, .topbar-hours, .topbar-addr { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .spec-dir, .hot-grid, .demo-grid, .story-grid, .cta-box, .news-grid { grid-template-columns: 1fr; }
      .cap-grid { grid-template-columns: 1fr 1fr; }
      .cap-card:nth-child(1) { grid-row: auto; min-height: 240px; }
      .steps { grid-template-columns: 1fr 1fr; }
      .time-item { grid-template-columns: 140px 1fr; }
      .time-item .btn-mini { grid-column: 2; }
      .price-grid { grid-template-columns: 1fr; }
      .price-card.is-featured { transform: none; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .review-wall { columns: 2; }
      .mouth-grid, .foot-grid, .thumb-row { grid-template-columns: 1fr 1fr; }
      .story-main { grid-template-columns: 1fr; }
      .metric-strip { grid-template-columns: 1fr 1fr; }
      .media-frame { aspect-ratio: 16/10; }
    }
    @media (max-width: 767px) {
      :root { --space-d: 64px; --space-m: 56px; }
      .section { padding: var(--space-m) 0; }
      .topbar-right { gap: 10px; }
      .hero { min-height: 640px; }
      .hero-content { padding: 36px 0 96px; }
      .hero h1, .hero-visual-title { font-size: 30px; }
      .cap-grid, .form-row, .stats-grid, .review-wall, .mouth-grid, .foot-grid, .thumb-row, .steps {
        grid-template-columns: 1fr;
        columns: auto;
      }
      .section-head { flex-direction: column; align-items: flex-start; }
      .time-item, .story-card, .story-main { grid-template-columns: 1fr; }
      .copy { flex-direction: column; }
      .hero-controls { padding: 0 16px; }
    }
    @media (max-width: 374px) {
      .container { width: min(100% - 20px, var(--container)); }
      .btn-glow, .btn-ghost { width: 100%; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
      .review-wall .review-card:nth-child(2n) { transform: none; }
    }

/* roulang page: index */
:root {
      --bg-0: #070B14;
      --bg-1: #0B1730;
      --bg-2: #123056;
      --cyan: #2EE6FF;
      --cyan-2: #6AF0FF;
      --foam: #E8F6FF;
      --chrome: #B9C9D6;
      --mint: #3DFFC8;
      --text: #E8F6FF;
      --muted: #B9C9D6;
      --dim: #8AA0B5;
      --line: rgba(232, 246, 255, 0.16);
      --glass: rgba(255, 255, 255, 0.08);
      --glass-2: rgba(255, 255, 255, 0.12);
      --ink: #071018;
      --danger: #FF6B7A;
      --radius: 18px;
      --radius-sm: 12px;
      --header-h: 118px;
      --shadow: 0 16px 40px rgba(0, 8, 20, 0.35);
      --glow: 0 0 24px rgba(46, 230, 255, 0.38);
      --space: 88px;
      --font: "Noto Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "思源黑体", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 17px;
      line-height: 1.78;
      color: var(--text);
      background: var(--bg-0);
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background:
        radial-gradient(900px 420px at 82% -8%, rgba(46, 230, 255, 0.14), transparent 60%),
        radial-gradient(700px 380px at 8% 12%, rgba(18, 48, 86, 0.85), transparent 55%),
        repeating-radial-gradient(circle at 20% 30%, rgba(232, 246, 255, 0.05) 0 1px, transparent 1px 22px);
      opacity: 0.9;
    }
    body.menu-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, p { margin: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
    }
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      border: 0;
    }
    .container {
      width: min(1200px, calc(100% - 48px));
      margin: 0 auto;
    }
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(7, 11, 20, 0.72);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--line);
    }
    .nav-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 38px;
      padding: 6px 0;
      font-size: 13px;
      color: var(--chrome);
      border-bottom: 1px dashed rgba(185, 201, 214, 0.18);
    }
    .nav-top-left, .nav-top-right {
      display: flex;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
    }
    .nav-top a {
      color: var(--cyan-2);
      min-height: 32px;
      display: inline-flex;
      align-items: center;
    }
    .nav-top a:hover { color: #fff; }
    .nav-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 76px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      letter-spacing: 0.02em;
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }
    .logo-text strong {
      font-size: 18px;
      font-weight: 800;
      color: var(--foam);
    }
    .logo-text span {
      font-size: 12px;
      color: var(--dim);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1;
      justify-content: center;
    }
    .nav-links a {
      position: relative;
      padding: 10px 10px;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      font-size: 14px;
      color: var(--muted);
      border-radius: 10px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-links a:hover { color: var(--foam); background: rgba(255,255,255,0.04); }
    .nav-links a.is-active { color: var(--cyan); }
    .nav-links a.is-active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 6px;
      height: 2px;
      background: var(--cyan);
      box-shadow: 0 0 8px var(--cyan);
      border-radius: 2px;
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      background: var(--glass);
      border-radius: 12px;
      color: var(--foam);
      align-items: center;
      justify-content: center;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      position: relative;
      border-radius: 2px;
    }
    .menu-toggle span::before, .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }
    .btn:active { transform: translateY(1px) scale(0.98); }
    .btn-primary {
      background: linear-gradient(180deg, #6AF0FF 0%, #2EE6FF 100%);
      color: var(--ink);
      box-shadow: var(--glow);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 34px rgba(46, 230, 255, 0.7);
    }
    .btn-ghost {
      background: rgba(255,255,255,0.05);
      border-color: rgba(46, 230, 255, 0.4);
      color: var(--foam);
    }
    .btn-ghost:hover {
      border-color: var(--cyan);
      background: rgba(46, 230, 255, 0.1);
      transform: translateY(-2px);
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      border: 1px solid transparent;
    }
    .badge-cyan {
      color: var(--cyan-2);
      background: rgba(46, 230, 255, 0.1);
      border-color: rgba(46, 230, 255, 0.28);
    }
    .badge-mint {
      color: var(--mint);
      background: rgba(61, 255, 200, 0.1);
      border-color: rgba(61, 255, 200, 0.3);
    }
    .drawer {
      position: fixed;
      inset: 0;
      z-index: 120;
      background: rgba(7, 11, 20, 0.55);
      opacity: 0;
      pointer-events: none;
      transition: opacity .25s ease;
    }
    .drawer.is-open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute;
      right: 0;
      top: 0;
      height: 100%;
      width: min(86vw, 360px);
      background: rgba(11, 23, 48, 0.92);
      backdrop-filter: blur(22px);
      border-left: 1px solid var(--line);
      padding: 22px;
      transform: translateX(24px);
      transition: transform .25s ease;
      overflow: auto;
    }
    .drawer.is-open .drawer-panel { transform: translateX(0); }
    .drawer-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
    }
    .drawer-close {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: var(--glass);
      color: var(--foam);
    }
    .drawer-links { display: flex; flex-direction: column; gap: 6px; }
    .drawer-links a {
      min-height: 44px;
      display: flex;
      align-items: center;
      padding: 0 12px;
      border-radius: 12px;
      color: var(--foam);
      background: rgba(255,255,255,0.03);
    }
    .drawer-links a:hover, .drawer-links a.is-active { background: rgba(46,230,255,0.12); color: var(--cyan); }
    main { position: relative; z-index: 1; }
    section[id] { scroll-margin-top: 128px; }
    .hero {
      position: relative;
      min-height: calc(100vh - var(--header-h));
      display: flex;
      align-items: flex-end;
      overflow: hidden;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      transform: scale(1.04);
      transition: opacity .8s ease, transform 1.1s ease;
    }
    .hero-slide.is-active { opacity: 1; transform: scale(1); z-index: 1; }
    .hero-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(0.92) contrast(1.08);
    }
    .hero-slide::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        linear-gradient(180deg, rgba(7,11,20,0.18) 0%, rgba(7,11,20,0.35) 38%, rgba(7,11,20,0.88) 100%),
        linear-gradient(90deg, rgba(7,11,20,0.45), transparent 40%);
    }
    .hero-slide.is-active::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 2;
      background: linear-gradient(115deg, transparent 38%, rgba(106,240,255,0.22) 50%, transparent 62%);
      animation: sheen 1.15s ease;
      pointer-events: none;
    }
    @keyframes sheen {
      from { transform: translateX(-18%); opacity: 0; }
      30% { opacity: 1; }
      to { transform: translateX(18%); opacity: 0; }
    }
    .hero-console {
      position: relative;
      z-index: 3;
      width: 100%;
      padding: 28px 0 34px;
    }
    .hero-kicker {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 14px;
    }
    .hero h1 {
      font-size: clamp(28px, 4vw, 48px);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.18;
      max-width: 18em;
    }
    .hero-lead {
      margin-top: 14px;
      max-width: 820px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin: 20px 0 18px;
    }
    .param-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr) auto;
      gap: 10px;
      padding: 12px;
      border-radius: 20px;
      background: rgba(11, 23, 48, 0.62);
      border: 1px solid rgba(46, 230, 255, 0.22);
      box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 20px 50px rgba(0,0,0,0.35);
      backdrop-filter: blur(18px);
    }
    .param {
      padding: 10px 12px;
      border-right: 1px solid rgba(185,201,214,0.12);
    }
    .param:last-of-type { border-right: 0; }
    .param b {
      display: block;
      font-size: 20px;
      font-weight: 800;
      color: var(--cyan-2);
      letter-spacing: -0.03em;
    }
    .param span { font-size: 12px; color: var(--dim); }
    .param-cta { display: flex; align-items: center; }
    .hero-ctrl {
      position: absolute;
      right: 24px;
      top: 24px;
      z-index: 4;
      display: flex;
      gap: 8px;
    }
    .icon-btn {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(7,11,20,0.45);
      color: var(--foam);
      backdrop-filter: blur(12px);
    }
    .icon-btn:hover { border-color: var(--cyan); color: var(--cyan); }
    .hero-dots {
      position: absolute;
      left: 50%;
      bottom: 12px;
      transform: translateX(-50%);
      z-index: 4;
      display: flex;
      gap: 8px;
    }
    .hero-dots button {
      width: 28px;
      height: 8px;
      border: 0;
      border-radius: 99px;
      background: rgba(255,255,255,0.28);
      min-width: 28px;
    }
    .hero-dots button.is-on { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
    .lane {
      height: 8px;
      background: repeating-linear-gradient(90deg, rgba(232,246,255,0.45) 0 18px, transparent 18px 34px);
      opacity: 0.35;
    }
    .section {
      padding: var(--space) 0;
      position: relative;
    }
    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 32px;
    }
    .section-head.left-only { grid-template-columns: 1fr; }
    .eyebrow {
      color: var(--cyan);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      margin-bottom: 8px;
    }
    h2 {
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.25;
    }
    .section-desc { color: var(--muted); font-size: 16px; }
    .trust {
      padding: 28px 0 8px;
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
    }
    .trust-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 16px;
      background: var(--glass);
      border: 1px solid var(--line);
      min-height: 92px;
    }
    .trust-item svg { flex: 0 0 22px; margin-top: 2px; color: var(--cyan); }
    .trust-item b { display: block; font-size: 14px; }
    .trust-item span { display: block; font-size: 12px; color: var(--dim); line-height: 1.5; }
    .split {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 36px;
      align-items: center;
    }
    .split-copy p { color: var(--muted); margin-top: 14px; }
    .spec-list {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }
    .spec-list li {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(185,201,214,0.12);
      font-size: 15px;
    }
    .spec-list strong { color: var(--cyan-2); font-weight: 700; }
    .media-frame {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(46,230,255,0.2);
      box-shadow: 0 0 40px rgba(46,230,255,0.08);
    }
    .media-frame img { width: 100%; height: 520px; object-fit: cover; }
    .media-tag {
      position: absolute;
      left: 16px;
      bottom: 16px;
      z-index: 1;
    }
    .matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .matrix-card {
      padding: 20px;
      border-radius: 20px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      min-height: 250px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: rgba(46,230,255,0.45);
      box-shadow: 0 0 24px rgba(46,230,255,0.12);
    }
    .matrix-card:nth-child(5),
    .matrix-card:nth-child(6) { grid-column: span 2; }
    .matrix-card h3 { font-size: 20px; margin: 10px 0 8px; }
    .matrix-card p { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
    .matrix-card li {
      position: relative;
      padding-left: 14px;
      color: var(--chrome);
      font-size: 14px;
      line-height: 1.7;
    }
    .matrix-card li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.7em;
      width: 6px;
      height: 1px;
      background: var(--cyan);
    }
    .ico {
      width: 36px;
      height: 36px;
      color: var(--cyan);
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .adv-card {
      padding: 22px;
      border-radius: 20px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(232,246,255,0.14);
      backdrop-filter: blur(20px);
      min-height: 210px;
      transition: transform .2s ease, border-color .2s ease;
    }
    .adv-card:hover {
      transform: translateY(-5px);
      border-color: rgba(106,240,255,0.5);
    }
    .adv-no {
      font-size: 12px;
      color: var(--cyan);
      letter-spacing: 0.16em;
      font-weight: 700;
    }
    .adv-card h3 { font-size: 18px; margin: 10px 0; }
    .adv-card p { color: var(--muted); font-size: 15px; }
    .scene-rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 14px;
      overflow-x: auto;
      padding-bottom: 8px;
      scroll-snap-type: x mandatory;
    }
    .scene-card {
      scroll-snap-align: start;
      border-radius: 20px;
      overflow: hidden;
      min-height: 340px;
      position: relative;
      border: 1px solid var(--line);
    }
    .scene-card img { width: 100%; height: 340px; object-fit: cover; }
    .scene-card figcaption {
      position: absolute;
      inset: auto 0 0 0;
      padding: 18px;
      background: linear-gradient(180deg, transparent, rgba(7,11,20,0.92));
    }
    .scene-card h3 { font-size: 18px; margin-bottom: 6px; }
    .scene-card p { color: var(--muted); font-size: 14px; }
    .hot-layout {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      grid-template-rows: auto auto;
      gap: 14px;
    }
    .hot-card {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: #0b1730;
      min-height: 230px;
      display: flex;
      flex-direction: column;
      transition: transform .2s ease, border-color .2s ease;
    }
    .hot-card:hover { transform: translateY(-4px); border-color: rgba(46,230,255,0.45); }
    .hot-card.big { grid-row: 1 / 3; min-height: 560px; }
    .hot-card img { width: 100%; height: 210px; object-fit: cover; }
    .hot-card.big img { height: 340px; }
    .hot-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .hot-body h3 { font-size: 22px; }
    .hot-body p { color: var(--muted); font-size: 15px; }
    .hot-body .btn { align-self: flex-start; margin-top: auto; }
    .demo-wrap {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 22px;
    }
    .compare {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      min-height: 420px;
      border: 1px solid var(--line);
    }
    .compare img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .compare-before {
      position: absolute;
      inset: 0 auto 0 0;
      width: 52%;
      overflow: hidden;
      border-right: 2px solid var(--cyan);
      box-shadow: 8px 0 24px rgba(46,230,255,0.2);
    }
    .compare-before img { width: 100%; max-width: none; height: 420px; object-fit: cover; }
    .compare input[type="range"] {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 18px;
      width: calc(100% - 48px);
      margin: 0 24px;
      accent-color: var(--cyan);
      height: 44px;
    }
    .steps { display: grid; gap: 10px; }
    .step {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--line);
    }
    .step b { color: var(--cyan); font-size: 18px; }
    .bars { margin-top: 16px; display: grid; gap: 10px; }
    .bar-row span { display: flex; justify-content: space-between; font-size: 13px; color: var(--chrome); }
    .bar {
      height: 8px;
      background: rgba(255,255,255,0.08);
      border-radius: 99px;
      overflow: hidden;
      margin-top: 6px;
    }
    .bar i {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, #2EE6FF, #6AF0FF);
      border-radius: 99px;
    }
    .idea {
      padding: 0;
    }
    .idea-band {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .idea-band img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: grayscale(0.15) contrast(1.1);
    }
    .idea-band::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(7,11,20,0.88), rgba(7,11,20,0.55) 55%, rgba(7,11,20,0.78)),
        repeating-linear-gradient(0deg, transparent 0 27px, rgba(46,230,255,0.05) 27px 28px);
    }
    .idea-copy { position: relative; z-index: 1; padding: 72px 0; max-width: 760px; }
    .idea-copy h2 { font-size: clamp(28px, 4vw, 42px); }
    .idea-copy p { margin-top: 16px; color: var(--muted); font-size: 17px; }
    .case-list { display: grid; gap: 18px; }
    .case-item {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 22px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--line);
    }
    .case-item:nth-child(even) { grid-template-columns: 1.1fr 0.9fr; }
    .case-item:nth-child(even) .case-media { order: 2; }
    .case-item img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      border-radius: 16px;
    }
    .case-item h3 { font-size: 22px; margin-bottom: 8px; }
    .case-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
    .case-item p { color: var(--muted); font-size: 15px; }
    .story-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.9fr 0.9fr;
      gap: 14px;
    }
    .story {
      padding: 22px;
      border-radius: 20px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }
    .story:first-child { background: rgba(46,230,255,0.08); border-color: rgba(46,230,255,0.28); }
    .story h3 { font-size: 18px; margin: 8px 0; }
    .story p { color: var(--muted); font-size: 15px; }
    .stat-band {
      padding: 28px 0;
      background:
        linear-gradient(90deg, rgba(18,48,86,0.65), rgba(11,23,48,0.9)),
        repeating-linear-gradient(90deg, rgba(46,230,255,0.08) 0 1px, transparent 1px 72px);
      border-block: 1px solid rgba(46,230,255,0.18);
    }
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .stat {
      text-align: left;
      padding: 18px;
      border-left: 1px solid rgba(46,230,255,0.25);
    }
    .stat b {
      display: block;
      font-size: 34px;
      font-weight: 800;
      color: var(--cyan-2);
      text-shadow: 0 0 18px rgba(46,230,255,0.35);
      letter-spacing: -0.04em;
    }
    .stat span { color: var(--muted); font-size: 14px; }
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .price-card {
      padding: 24px;
      border-radius: 22px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--line);
      backdrop-filter: blur(20px);
      display: flex;
      flex-direction: column;
      min-height: 460px;
    }
    .price-card.featured {
      border-color: rgba(46,230,255,0.55);
      box-shadow: 0 0 40px rgba(46,230,255,0.16);
      transform: translateY(-8px);
    }
    .price-card h3 { font-size: 22px; }
    .price-card .fee {
      font-size: 34px;
      font-weight: 800;
      color: var(--cyan-2);
      margin: 8px 0 4px;
    }
    .price-card .fee small { font-size: 14px; color: var(--muted); font-weight: 500; }
    .price-card p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
    .price-card li {
      padding: 8px 0;
      border-bottom: 1px solid rgba(185,201,214,0.12);
      font-size: 14px;
      color: var(--chrome);
    }
    .price-card li::before { content: "✓ "; color: var(--mint); }
    .price-card .btn { margin-top: auto; width: 100%; }
    .review-track {
      overflow: hidden;
      mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
    }
    .review-row {
      display: flex;
      gap: 12px;
      width: max-content;
      animation: marquee 36s linear infinite;
    }
    .review-row.reverse { animation-direction: reverse; margin-top: 12px; }
    .review-track:hover .review-row { animation-play-state: paused; }
    @keyframes marquee {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }
    .review {
      width: 320px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,0.07);
      border: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }
    .stars { color: #6AF0FF; letter-spacing: 2px; font-size: 14px; }
    .review h3 { font-size: 16px; margin: 8px 0 6px; }
    .review p { color: var(--muted); font-size: 14px; }
    .endorse {
      display: grid;
      grid-template-columns: 0.7fr 1.3fr;
      gap: 24px;
      align-items: start;
    }
    .quote-xl {
      font-size: clamp(22px, 3vw, 30px);
      line-height: 1.45;
      font-weight: 700;
    }
    .quote-xl::before {
      content: "“";
      display: block;
      font-size: 64px;
      line-height: 0.6;
      color: var(--cyan);
      opacity: 0.8;
    }
    .quote-list { display: grid; gap: 12px; }
    .quote-list article {
      padding: 16px 18px;
      border-left: 2px solid var(--cyan);
      background: rgba(255,255,255,0.03);
      color: var(--muted);
    }
    .news-layout {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 16px;
    }
    .news-feature {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      min-height: 360px;
      border: 1px solid var(--line);
    }
    .news-feature img { width: 100%; height: 360px; object-fit: cover; }
    .news-feature div {
      position: absolute;
      inset: auto 0 0 0;
      padding: 20px;
      background: linear-gradient(180deg, transparent, rgba(7,11,20,0.94));
    }
    .news-list { display: grid; gap: 12px; }
    .news-item {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--line);
    }
    .news-item time { color: var(--cyan); font-size: 13px; font-weight: 700; }
    .news-item h3 { font-size: 16px; }
    .news-item p { color: var(--muted); font-size: 14px; }
    .more-link {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      color: var(--cyan);
      font-weight: 700;
    }
    .faq-list { display: grid; gap: 10px; }
    .faq-item {
      border-radius: 16px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.04);
      overflow: hidden;
    }
    .faq-item.is-open { background: rgba(46,230,255,0.06); border-color: rgba(46,230,255,0.28); }
    .faq-item button {
      width: 100%;
      min-height: 56px;
      text-align: left;
      padding: 14px 48px 14px 18px;
      background: transparent;
      border: 0;
      color: var(--foam);
      font-size: 16px;
      font-weight: 700;
      position: relative;
    }
    .faq-item button::after {
      content: "";
      position: absolute;
      right: 18px;
      top: 50%;
      width: 10px;
      height: 10px;
      border-right: 2px solid var(--cyan);
      border-bottom: 2px solid var(--cyan);
      transform: translateY(-70%) rotate(45deg);
      transition: transform .2s ease;
    }
    .faq-item.is-open button::after { transform: translateY(-30%) rotate(225deg); }
    .faq-item .faq-a {
      display: none;
      padding: 0 18px 16px;
      color: var(--muted);
      font-size: 15px;
    }
    .faq-item.is-open .faq-a { display: block; }
    .cta-band {
      padding: 72px 0;
      background:
        radial-gradient(600px 220px at 70% 20%, rgba(46,230,255,0.16), transparent 70%),
        linear-gradient(180deg, #0B1730, #070B14);
      border-top: 1px solid rgba(46,230,255,0.2);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }
    .form-card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(46,230,255,0.25);
      backdrop-filter: blur(22px);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--chrome); }
    input, select {
      min-height: 44px;
      border-radius: 12px;
      border: 1px solid rgba(185,201,214,0.25);
      background: rgba(7,11,20,0.72);
      color: var(--foam);
      padding: 0 12px;
    }
    input:focus, select:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(46,230,255,0.22);
      outline: none;
    }
    .form-note { font-size: 13px; color: var(--dim); margin-top: 8px; }
    .form-ok {
      display: none;
      margin-top: 12px;
      padding: 12px;
      border-radius: 12px;
      background: rgba(61,255,200,0.1);
      color: var(--mint);
      border: 1px solid rgba(61,255,200,0.3);
    }
    .form-ok.is-show { display: block; }
    .field-error { color: var(--danger); font-size: 12px; min-height: 16px; }
    footer.site-footer {
      position: relative;
      z-index: 1;
      background: #05080f;
      border-top: 1px solid rgba(185,201,214,0.12);
      padding: 48px 0 24px;
      color: var(--chrome);
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr 0.9fr;
      gap: 24px;
    }
    .foot-grid h3 { color: var(--foam); font-size: 16px; margin-bottom: 12px; }
    .foot-grid p, .foot-grid a, .foot-grid li { font-size: 14px; color: var(--muted); }
    .foot-grid a { display: inline-flex; min-height: 32px; align-items: center; }
    .foot-grid a:hover { color: var(--cyan); }
    .copy {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(185,201,214,0.1);
      font-size: 13px;
      color: var(--dim);
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    @media (max-width: 1280px) {
      .container { width: min(1120px, calc(100% - 40px)); }
      .nav-links a { padding: 10px 8px; font-size: 13px; }
      .param-strip { grid-template-columns: repeat(4, 1fr); }
      .param-cta { grid-column: 1 / -1; }
    }
    @media (max-width: 1024px) {
      :root { --space: 72px; --header-h: 108px; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .demo-wrap, .cta-grid, .endorse, .news-layout { grid-template-columns: 1fr; }
      .case-item, .case-item:nth-child(even) { grid-template-columns: 1fr; }
      .case-item:nth-child(even) .case-media { order: 0; }
      .hot-layout, .story-grid, .price-grid, .adv-grid { grid-template-columns: 1fr 1fr; }
      .hot-card.big { grid-row: auto; }
      .matrix { grid-template-columns: 1fr 1fr; }
      .matrix-card:nth-child(5), .matrix-card:nth-child(6) { grid-column: auto; }
      .trust-grid { grid-template-columns: 1fr 1fr 1fr; }
      .section-head { grid-template-columns: 1fr; }
      .media-frame img, .compare img, .compare-before img { height: 360px; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      :root { --space: 56px; }
      .nav-top { font-size: 12px; }
      .hero { min-height: 640px; }
      .param-strip { grid-template-columns: 1fr 1fr; }
      .trust-grid, .adv-grid, .hot-layout, .story-grid, .price-grid, .stat-grid, .matrix { grid-template-columns: 1fr; }
      .price-card.featured { transform: none; }
      .form-grid { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr; }
      .copy { flex-direction: column; }
      .hero h1 { font-size: 30px; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .nav-top-left span:nth-child(3) { display: none; }
      .hero { min-height: 600px; }
      .hero-ctrl { right: 12px; top: 12px; }
      .media-frame img { height: 280px; }
      .compare, .compare img, .compare-before img { height: 280px; }
    }
    @media (max-width: 375px) {
      body { font-size: 16px; }
      .hero { min-height: 560px; }
      .stat-grid { grid-template-columns: 1fr 1fr; }
      .stat b { font-size: 28px; }
      .btn { width: 100%; }
      .hero-actions .btn { width: auto; }
      .logo-text strong { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .hero-slide, .btn, .matrix-card, .adv-card { transition: none; }
      .review-row, .hero-slide.is-active::after { animation: none; }
    }