/* roulang page: index */
:root {
      --bg: #F3EEE4;
      --bg-alt: #E7E1D4;
      --ink: #1E2326;
      --ink-soft: #5A615C;
      --line: #D4CDBF;
      --primary: #3E4A45;
      --accent: #D9822B;
      --accent-deep: #C46F1C;
      --support: #6E8F7A;
      --dark: #171A1C;
      --dark-2: #222628;
      --card: #FBF8F1;
      --danger: #B42318;
      --on-dark: #F3EEE4;
      --radius-btn: 5px;
      --radius-img: 10px;
      --radius-card: 8px;
      --radius-rev: 12px;
      --shadow-rest: 0 8px 24px rgba(30, 35, 38, .06);
      --shadow-hover: 0 12px 28px rgba(30, 35, 38, .1);
      --container: 1240px;
      --pad-x: 24px;
      --section-y: 96px;
      --header-main: 64px;
      --focus: 2px solid #D9822B;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      color: var(--ink);
      background: var(--bg);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; }
    a:hover { color: var(--accent); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    .skip {
      position: absolute;
      left: 12px;
      top: -48px;
      z-index: 2000;
      background: var(--accent);
      color: var(--ink);
      padding: 8px 14px;
      border-radius: var(--radius-btn);
    }
    .skip:focus { top: 12px; }
    .container {
      width: min(var(--container), calc(100% - var(--pad-x) * 2));
      margin: 0 auto;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 20px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-weight: 650;
      letter-spacing: .02em;
      transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
      text-align: center;
    }
    .btn:focus-visible, .icon-btn:focus-visible, .feat-tab:focus-visible, .faq-q:focus-visible, .hero-bar:focus-visible, .nav-toggle:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: var(--focus);
      outline-offset: 2px;
    }
    .btn:active { transform: translateY(0); }
    .btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
    .btn-primary {
      background: var(--accent);
      color: var(--ink);
      border-color: var(--accent);
    }
    .btn-primary:hover {
      background: var(--accent-deep);
      border-color: var(--accent-deep);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent;
      color: var(--on-dark);
      border-color: rgba(243, 238, 228, .55);
    }
    .btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
    .btn-line {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }
    .btn-line:hover {
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }
    .btn-darkline {
      background: transparent;
      color: var(--on-dark);
      border-color: rgba(243, 238, 228, .45);
    }
    .btn-darkline:hover { border-color: var(--accent); color: var(--accent); }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 4px;
      background: rgba(110, 143, 122, .16);
      color: #3d5c4b;
      font-size: 13px;
      line-height: 1.6;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 10px;
      border: 1px solid var(--line);
      background: var(--card);
      color: var(--primary);
      font-size: 13px;
      font-weight: 650;
      border-radius: 4px;
    }
    .lead {
      color: var(--ink-soft);
      max-width: 46em;
      margin-top: 12px;
    }
    .sec-head { margin-bottom: 36px; }
    .sec-head h2 {
      font-size: 30px;
      font-weight: 650;
      line-height: 1.3;
      letter-spacing: -.02em;
      color: var(--ink);
    }
    .kicker {
      display: inline-block;
      font-size: 13px;
      letter-spacing: .12em;
      color: var(--accent);
      font-weight: 650;
      margin-bottom: 8px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--primary);
      color: var(--on-dark);
      box-shadow: none;
    }
    .site-header.is-stuck {
      box-shadow: 0 8px 24px rgba(23, 26, 28, .18);
    }
    .site-header.is-stuck .site-topbar {
      height: 0;
      overflow: hidden;
      border: 0;
      opacity: 0;
      padding: 0;
    }
    .site-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 36px;
      padding: 4px 0;
      background: #121516;
      color: #E8E0D2;
      font-size: 12px;
      line-height: 1.4;
      border-bottom: 1px solid rgba(212, 205, 191, .12);
      transition: height .2s ease, opacity .2s ease;
    }
    .site-topbar .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: min(var(--container), calc(100% - 32px));
    }
    .top-left, .top-right {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .top-hotline {
      color: #E8E0D2;
      font-weight: 650;
      min-height: 28px;
      display: inline-flex;
      align-items: center;
    }
    .top-hotline:hover { color: var(--accent); }
    .top-hours {
      border: 1px solid rgba(232, 224, 210, .25);
      padding: 2px 8px;
      border-radius: 3px;
      color: #C9C2B4;
    }
    .top-mail { color: #E8E0D2; }
    .top-icp { color: #A8A296; }
    .btn-mini {
      min-height: 32px;
      padding: 0 12px;
      font-size: 12px;
    }
    .site-nav {
      background: var(--primary);
      border-bottom: 1px solid rgba(243, 238, 228, .08);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: var(--header-main);
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--on-dark);
      font-weight: 700;
      font-size: 18px;
      letter-spacing: .02em;
      min-height: 44px;
      flex-shrink: 0;
    }
    .logo:hover { color: var(--accent); }
    .logo-mark {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(217, 130, 43, .85);
      color: var(--accent);
      border-radius: 4px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-links a {
      position: relative;
      color: #E7E1D4;
      font-size: 14px;
      padding: 10px 10px 12px;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 6px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: #fff; }
    .nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
    .nav-cta { flex-shrink: 0; }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid rgba(243, 238, 228, .3);
      background: transparent;
      color: var(--on-dark);
      border-radius: 4px;
      padding: 0;
    }
    .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      margin: 0 auto;
      position: relative;
    }
    .nav-toggle span::before, .nav-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }
    .nav-toggle span::before { top: -6px; }
    .nav-toggle span::after { top: 6px; }
    .nav-drawer, .nav-backdrop { display: none; }
    .hero {
      position: relative;
      background: var(--dark);
      overflow: hidden;
    }
    .hero-track { position: relative; }
    .hero-slide {
      position: relative;
      display: none;
      min-height: 560px;
      aspect-ratio: 16 / 7;
    }
    .hero-slide.is-active { display: block; }
    .hero-slide img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(23, 26, 28, .82) 0%, rgba(23, 26, 28, .48) 48%, rgba(23, 26, 28, .2) 100%);
    }
    .hero-copy {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: inherit;
      padding: 72px 0 92px;
      color: var(--on-dark);
      max-width: 720px;
    }
    .hero-brand {
      font-size: 14px;
      font-weight: 700;
      letter-spacing: .16em;
      color: var(--accent);
      margin-bottom: 10px;
    }
    .hero h1, .hero-title {
      font-size: 44px;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -.02em;
      color: var(--on-dark);
    }
    .hero-sub {
      margin-top: 12px;
      font-size: 18px;
      color: #E7E1D4;
      line-height: 1.6;
    }
    .hero-desc {
      margin-top: 16px;
      font-size: 16px;
      line-height: 1.8;
      color: #D8D1C4;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      margin-top: 28px;
      max-width: 640px;
    }
    .hero-kpi {
      border: 1px solid rgba(243, 238, 228, .18);
      background: rgba(23, 26, 28, .35);
      padding: 10px 12px;
      border-radius: 4px;
    }
    .hero-kpi b {
      display: block;
      font-size: 18px;
      color: #fff;
      font-weight: 700;
      line-height: 1.3;
    }
    .hero-kpi span {
      font-size: 12px;
      color: #C9C2B4;
    }
    .hero-status {
      position: absolute;
      right: 24px;
      bottom: 28px;
      z-index: 3;
      display: flex;
      gap: 16px;
      padding: 8px 14px;
      background: rgba(23, 26, 28, .78);
      border: 1px solid rgba(217, 130, 43, .55);
      color: var(--on-dark);
      font-size: 13px;
      border-radius: 4px;
    }
    .hero-status strong { color: var(--accent); font-size: 16px; margin-right: 4px; }
    .hero-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      z-index: 4;
      min-width: 44px;
      min-height: 44px;
      padding: 0 10px;
      background: rgba(23, 26, 28, .72);
      color: var(--on-dark);
      border: 1px solid rgba(243, 238, 228, .25);
      border-radius: 4px;
      font-size: 13px;
    }
    .hero-arrow:hover { border-color: var(--accent); color: var(--accent); }
    .hero-prev { left: 16px; }
    .hero-next { right: 16px; }
    .hero-bars {
      position: absolute;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 4;
      display: flex;
      gap: 8px;
    }
    .hero-bar {
      width: 28px;
      height: 4px;
      padding: 0;
      border: 0;
      background: rgba(243, 238, 228, .35);
      border-radius: 1px;
    }
    .hero-bar.is-active { background: var(--accent); width: 40px; }
    .sec {
      padding: var(--section-y) 0;
    }
    .sec-alt { background: var(--bg-alt); }
    .sec-cardish { background: var(--bg); }
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 48px;
      align-items: center;
    }
    .intro-cover {
      border-radius: var(--radius-img);
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-rest);
    }
    .intro-cover img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 5; }
    .intro-copy h2 { margin-bottom: 14px; }
    .intro-copy p {
      color: var(--ink-soft);
      margin-bottom: .9em;
      max-width: 42em;
    }
    .param-bar {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 8px;
      margin: 22px 0 18px;
    }
    .param-item {
      border: 1px solid var(--line);
      background: var(--card);
      padding: 12px 10px;
      border-radius: 4px;
    }
    .param-item b {
      display: block;
      font-size: 18px;
      color: var(--primary);
      line-height: 1.3;
    }
    .param-item span { font-size: 13px; color: var(--ink-soft); }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
    .feat-grid {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 28px;
      align-items: stretch;
    }
    .feat-tabs {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .feat-tab {
      text-align: left;
      min-height: 52px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      background: var(--card);
      color: var(--ink);
      border-radius: 4px;
      font-weight: 650;
    }
    .feat-tab.is-active {
      background: var(--primary);
      color: var(--on-dark);
      border-color: var(--primary);
    }
    .feat-panel {
      display: none;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 8px;
      overflow: hidden;
    }
    .feat-panel.is-active { display: grid; grid-template-columns: 1fr 1fr; }
    .feat-panel img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 320px;
    }
    .feat-body { padding: 24px; }
    .feat-body h3 {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 12px;
    }
    .feat-list li {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px solid var(--line);
      font-size: 14px;
      line-height: 1.6;
    }
    .feat-list strong { color: var(--primary); }
    .feat-list span { color: var(--ink-soft); }
    .cap-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .cap-card {
      background: var(--card);
      border: 1px solid var(--line);
      padding: 22px 20px 18px;
      clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
      box-shadow: var(--shadow-rest);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 230px;
      display: flex;
      flex-direction: column;
    }
    .cap-card:hover {
      transform: translateY(-4px);
      outline: 1px solid var(--accent);
      border-color: var(--accent);
      box-shadow: var(--shadow-hover);
    }
    .cap-no {
      font-size: 12px;
      letter-spacing: .14em;
      color: var(--accent);
      font-weight: 700;
    }
    .cap-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 8px 0 10px;
      line-height: 1.4;
    }
    .cap-card p {
      color: var(--ink-soft);
      font-size: 14px;
      line-height: 1.7;
      flex: 1;
    }
    .cap-metric {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid var(--line);
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
    }
    .scene-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .scene-tile {
      position: relative;
      min-height: 320px;
      overflow: hidden;
      border-radius: 8px;
    }
    .scene-tile img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scene-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23, 26, 28, .05) 20%, rgba(23, 26, 28, .82) 100%);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: var(--on-dark);
    }
    .scene-mask h3 {
      font-size: 22px;
      font-weight: 650;
      margin-bottom: 10px;
    }
    .scene-mask li {
      font-size: 14px;
      line-height: 1.6;
      color: #E7E1D4;
      padding-left: 12px;
      position: relative;
    }
    .scene-mask li::before {
      content: "";
      width: 5px;
      height: 5px;
      background: var(--accent);
      position: absolute;
      left: 0;
      top: .55em;
    }
    .demo-wrap {
      background: var(--bg-alt);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 24px;
    }
    .demo-stage {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 20px;
    }
    .demo-bezel {
      background: #1E2326;
      border: 10px solid #2A3033;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-rest);
    }
    .demo-bezel img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
    .demo-shot {
      border-radius: var(--radius-img);
      overflow: hidden;
      border: 1px solid var(--line);
    }
    .demo-shot img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
    .demo-note {
      margin: 14px 0 8px;
      font-size: 14px;
      color: var(--ink-soft);
    }
    .step-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }
    .step {
      background: var(--card);
      border: 1px solid var(--line);
      padding: 16px;
      border-radius: 6px;
    }
    .step b {
      display: block;
      color: var(--accent);
      font-size: 13px;
      letter-spacing: .08em;
      margin-bottom: 6px;
    }
    .step p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
    .prod-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }
    .prod-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: var(--shadow-rest);
      display: flex;
      flex-direction: column;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); outline: 1px solid var(--accent); }
    .prod-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
    .prod-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .prod-body h3 { font-size: 18px; font-weight: 600; }
    .prod-spec { font-size: 14px; color: var(--ink-soft); }
    .prod-spec li {
      padding: 6px 0;
      border-bottom: 1px dashed var(--line);
    }
    .prod-tags { display: flex; gap: 8px; flex-wrap: wrap; }
    .prod-body .btn { margin-top: auto; width: 100%; }
    .cases {
      background: var(--dark);
      color: var(--on-dark);
    }
    .cases h2, .cases .lead { color: var(--on-dark); }
    .cases .lead { color: #C9C2B4; }
    .cases-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }
    .case-main, .case-side article {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(243, 238, 228, .12);
      border-radius: 8px;
      min-height: 280px;
    }
    .case-main img, .case-side img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .45;
    }
    .case-body {
      position: relative;
      z-index: 1;
      padding: 24px;
      background: linear-gradient(180deg, rgba(23, 26, 28, .1), rgba(23, 26, 28, .82));
      min-height: inherit;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .case-side { display: grid; gap: 18px; }
    .case-side article { min-height: 210px; }
    .case-type { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
    .case-body h3 { font-size: 20px; margin: 6px 0 8px; }
    .case-body p { font-size: 14px; color: #E7E1D4; line-height: 1.7; }
    .accept {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }
    .accept li {
      border: 1px solid rgba(243, 238, 228, .14);
      padding: 12px;
      font-size: 13px;
      color: #E7E1D4;
    }
    .story-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .story-card {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 14px;
      background: var(--card);
      border: 1px solid var(--line);
      padding: 18px;
      border-radius: 8px;
      min-width: 280px;
    }
    .story-card img {
      width: 88px;
      height: 88px;
      object-fit: cover;
      border-radius: 4px;
    }
    .story-card blockquote {
      margin: 0;
      font-size: 14px;
      line-height: 1.7;
      color: var(--ink);
    }
    .story-meta {
      margin-top: 10px;
      font-size: 13px;
      color: var(--ink-soft);
    }
    .story-track { display: contents; }
    .story-dots { display: none; }
    .stats {
      background: #EFE6D4;
      border-block: 1px solid var(--line);
    }
    .stat-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }
    .stat {
      text-align: left;
      padding: 8px 8px 8px 16px;
      border-left: 3px solid var(--primary);
    }
    .stat b {
      display: block;
      font-size: 40px;
      line-height: 1.15;
      color: var(--primary);
      letter-spacing: -.03em;
    }
    .stat span { font-size: 14px; color: var(--ink-soft); }
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      align-items: stretch;
    }
    .price-card {
      background: var(--card);
      border: 1px solid var(--line);
      padding: 28px 24px;
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-rest);
    }
    .price-card.is-hot {
      border: 1px solid var(--accent);
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .price-card h3 { font-size: 20px; margin-bottom: 8px; }
    .price-card .fit { font-size: 14px; color: var(--ink-soft); margin-bottom: 16px; }
    .price-num {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -.03em;
      margin-bottom: 16px;
    }
    .price-num small { font-size: 14px; font-weight: 500; color: var(--ink-soft); }
    .price-card ul { margin-bottom: 20px; }
    .price-card li {
      font-size: 14px;
      color: var(--ink-soft);
      padding: 7px 0 7px 14px;
      position: relative;
      line-height: 1.6;
    }
    .price-card li::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--support);
      position: absolute;
      left: 0;
      top: 14px;
    }
    .price-card .btn { width: 100%; margin-top: auto; }
    .price-note { margin-top: 16px; font-size: 14px; color: var(--ink-soft); }
    .rev-board { overflow: hidden; }
    .rev-row {
      display: flex;
      gap: 14px;
      margin-bottom: 14px;
    }
    .rev-track {
      display: flex;
      gap: 14px;
      animation: drift 42s linear infinite;
    }
    .rev-row:nth-child(2) .rev-track { animation-duration: 48s; animation-direction: reverse; }
    .rev-board:hover .rev-track { animation-play-state: paused; }
    @keyframes drift {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }
    .rev-card {
      flex: 0 0 320px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-rev);
      padding: 16px 18px;
      box-shadow: var(--shadow-rest);
    }
    .rev-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
    .stars { color: var(--accent); letter-spacing: 2px; font-size: 13px; }
    .rev-card p { font-size: 14px; line-height: 1.7; color: var(--ink); }
    .rev-name { margin-top: 10px; font-size: 13px; color: var(--ink-soft); }
    .word-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 32px;
      align-items: start;
    }
    .quote-xl {
      position: relative;
      background: var(--card);
      border: 1px solid var(--line);
      padding: 36px 32px 28px;
      border-radius: 8px;
    }
    .quote-xl::before {
      content: "“";
      position: absolute;
      top: 8px;
      left: 16px;
      font-size: 42px;
      color: var(--accent);
      line-height: 1;
      font-weight: 700;
    }
    .quote-xl p { font-size: 18px; line-height: 1.8; }
    .quote-xl cite { display: block; margin-top: 16px; font-style: normal; font-size: 14px; color: var(--ink-soft); }
    .signal-list { display: grid; gap: 12px; }
    .signal {
      border: 1px solid var(--line);
      background: var(--card);
      padding: 16px 18px;
    }
    .signal h3 { font-size: 16px; margin-bottom: 6px; }
    .signal p { font-size: 14px; color: var(--ink-soft); }
    .cmp {
      margin-top: 22px;
      width: 100%;
      border-collapse: collapse;
      background: var(--card);
      border: 1px solid var(--line);
    }
    .cmp th, .cmp td {
      border-bottom: 1px solid var(--line);
      padding: 12px 14px;
      text-align: left;
      font-size: 14px;
      line-height: 1.6;
    }
    .cmp th { background: var(--bg-alt); color: var(--primary); font-weight: 650; }
    .news-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
    }
    .news-feature {
      display: grid;
      gap: 12px;
    }
    .news-feature img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      border-radius: var(--radius-img);
      border: 1px solid var(--line);
    }
    .news-date { font-size: 13px; color: var(--ink-soft); }
    .news-feature h3 { font-size: 22px; line-height: 1.4; }
    .news-feature p { color: var(--ink-soft); }
    .news-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
    .news-list article {
      padding: 16px 0;
      border-bottom: 1px solid var(--line);
    }
    .news-list h3 { font-size: 16px; font-weight: 600; }
    .news-more { margin-top: 18px; }
    .faq-wrap {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 40px;
    }
    .faq-item {
      border-bottom: 1px solid var(--line);
    }
    .faq-q {
      width: 100%;
      text-align: left;
      background: transparent;
      border: 0;
      min-height: 56px;
      padding: 14px 8px;
      font-weight: 650;
      color: var(--ink);
      display: flex;
      justify-content: space-between;
      gap: 12px;
    }
    .faq-q span:last-child { color: var(--accent); font-size: 20px; line-height: 1; }
    .faq-a {
      display: none;
      padding: 0 16px 16px;
      color: var(--ink-soft);
      background: #F7F2E8;
      border-left: 3px solid var(--accent);
      font-size: 15px;
      line-height: 1.8;
    }
    .faq-item.is-open .faq-a { display: block; }
    .cta {
      background: var(--dark-2);
      color: var(--on-dark);
    }
    .cta h2 { color: var(--on-dark); }
    .cta .lead { color: #C9C2B4; }
    .cta-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 36px;
      align-items: start;
    }
    .path-list { margin-top: 22px; display: grid; gap: 12px; }
    .path-list li {
      border: 1px solid rgba(243, 238, 228, .14);
      padding: 14px 16px;
    }
    .path-list strong { color: var(--accent); display: block; margin-bottom: 4px; }
    .cta-aside {
      margin-top: 18px;
      font-size: 14px;
      color: #C9C2B4;
    }
    .cta-aside a { color: var(--accent); }
    .cta-form {
      background: #1B1F21;
      border: 1px solid rgba(243, 238, 228, .12);
      padding: 24px;
      border-radius: 8px;
    }
    .form-banner {
      padding: 10px 12px;
      margin-bottom: 14px;
      font-size: 14px;
      border-radius: 4px;
    }
    .form-banner.ok { background: rgba(110, 143, 122, .2); color: #C5DCCB; }
    .form-banner.err { background: rgba(180, 35, 24, .15); color: #F3C0BC; }
    .field { margin-bottom: 14px; }
    .field label {
      display: block;
      font-size: 13px;
      margin-bottom: 6px;
      color: #E7E1D4;
    }
    .field input, .field select, .field textarea {
      width: 100%;
      min-height: 44px;
      border: 1px solid rgba(243, 238, 228, .18);
      background: #121516;
      color: var(--on-dark);
      border-radius: 4px;
      padding: 8px 12px;
    }
    .field textarea { min-height: 96px; resize: vertical; }
    .field .hint { display: block; margin-top: 6px; color: #F3C0BC; font-size: 13px; }
    .form-legal { font-size: 13px; color: #A8A296; margin: 8px 0 14px; }
    .site-footer {
      background: var(--dark);
      color: #C9C2B4;
      padding: 56px 0 24px;
      border-top: 1px solid rgba(243, 238, 228, .08);
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1.1fr 1fr;
      gap: 28px;
    }
    .foot-brand .logo { margin-bottom: 12px; }
    .foot-brand p { font-size: 14px; line-height: 1.8; }
    .site-footer h3 {
      color: var(--on-dark);
      font-size: 15px;
      margin-bottom: 12px;
    }
    .site-footer a { color: #C9C2B4; display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: var(--accent); }
    .foot-copy {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(243, 238, 228, .1);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .site-footer address { font-style: normal; font-size: 14px; line-height: 1.8; }
    @media (max-width: 1279px) {
      .hero h1, .hero-title { font-size: 40px; }
      .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .accept { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 1023px) {
      :root { --section-y: 80px; }
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(23, 26, 28, .45);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
        z-index: 150;
      }
      .nav-drawer {
        display: flex;
        flex-direction: column;
        gap: 4px;
        position: fixed;
        top: 0;
        right: 0;
        width: min(360px, 88vw);
        height: 100%;
        background: #1B1F21;
        z-index: 160;
        padding: 24px 20px;
        transform: translateX(100%);
        transition: transform .22s ease;
        overflow: auto;
      }
      body.nav-open { overflow: hidden; }
      body.nav-open .nav-backdrop { opacity: 1; pointer-events: auto; }
      body.nav-open .nav-drawer { transform: translateX(0); }
      .nav-drawer a {
        color: var(--on-dark);
        min-height: 44px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid rgba(243, 238, 228, .08);
        padding: 8px 0;
      }
      .intro-grid, .feat-grid, .demo-stage, .cases-grid, .word-grid, .news-grid, .faq-wrap, .cta-grid, .foot-grid, .feat-panel.is-active {
        grid-template-columns: 1fr;
      }
      .prod-grid, .price-grid, .story-grid { grid-template-columns: 1fr 1fr; }
      .hero-slide { aspect-ratio: 16 / 9; min-height: 520px; }
      .price-card.is-hot { transform: none; }
    }
    @media (max-width: 767px) {
      :root { --section-y: 64px; --pad-x: 16px; }
      .top-mail, .top-icp { display: none; }
      .hero-slide {
        aspect-ratio: auto;
        min-height: 0;
      }
      .hero-slide img {
        position: absolute;
        height: 100%;
      }
      .hero-copy { padding: 56px 0 96px; }
      .hero h1, .hero-title { font-size: 30px; }
      .hero-kpis, .param-bar, .stat-row, .step-row, .scene-grid, .prod-grid, .price-grid { grid-template-columns: 1fr; }
      .hero-status { left: 16px; right: 16px; bottom: 56px; justify-content: space-between; }
      .hero-arrow { top: auto; bottom: 12px; transform: none; }
      .hero-prev { left: 12px; }
      .hero-next { right: 12px; }
      .sec-head h2 { font-size: 23px; }
      .intro-cover img { aspect-ratio: 16 / 10; }
      .cap-grid { grid-template-columns: 1fr; }
      .story-track {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 8px;
      }
      .story-card { scroll-snap-align: start; }
      .story-dots { display: flex; gap: 6px; margin-top: 10px; }
      .story-dots i { width: 18px; height: 3px; background: var(--line); display: block; }
      .story-dots i.is-on { background: var(--accent); }
      .stat b { font-size: 32px; }
      .accept { grid-template-columns: 1fr; }
      .cmp th, .cmp td { font-size: 13px; padding: 10px 8px; }
      .foot-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .hero-actions { flex-direction: column; }
      .hero-actions .btn, .cta-form .btn { width: 100%; }
      .hero-kpi b { font-size: 16px; }
      .feat-list li { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
    }