/* roulang page: index */
:root {
      --brand: #1FA392;
      --brand-deep: #178576;
      --brand-soft: #3BC4B0;
      --accent: #19B7C7;
      --ink: #2C3A43;
      --muted: #5B6B73;
      --weak: #7A8B92;
      --bg: #F4F8F7;
      --card: #FFFFFF;
      --mist: #E7F3F0;
      --line: #D5E6E2;
      --dark-1: #16302E;
      --dark-2: #1E4B45;
      --danger: #C45C4A;
      --star: #D6982E;
      --white: #FFFFFF;
      --shadow: 0 10px 24px rgba(44, 58, 67, 0.08);
      --shadow-hover: 0 16px 32px rgba(44, 58, 67, 0.12);
      --radius: 24px;
      --radius-sm: 16px;
      --radius-img: 18px;
      --container: 1220px;
      --nav-h: 72px;
      --topbar-h: 42px;
      --grad: linear-gradient(135deg, #1FA392 0%, #3BC4B0 52%, #19B7C7 100%);
      --font: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--ink);
      background: var(--bg);
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--brand-deep); text-decoration: none; }
    a:hover { color: var(--accent); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
    ul { padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }
    .skip {
      position: absolute;
      left: 12px;
      top: -40px;
      background: var(--ink);
      color: #fff;
      padding: 8px 12px;
      z-index: 80;
      border-radius: 8px;
    }
    .skip:focus { top: 12px; }
    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 13px;
      line-height: 1.2;
      font-weight: 600;
      letter-spacing: 0.02em;
      background: var(--mist);
      color: var(--brand-deep);
      border: 1px solid transparent;
    }
    .badge .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
    }
    .badge-dark {
      background: rgba(255,255,255,0.12);
      color: #E7F8F4;
      border-color: rgba(255,255,255,0.16);
    }
    .badge-accent {
      background: rgba(25, 183, 199, 0.12);
      color: #0E7C88;
    }
    .badge-solid {
      background: var(--ink);
      color: #fff;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 22px;
      border-radius: 999px;
      border: 2px solid transparent;
      font-size: 15px;
      font-weight: 650;
      line-height: 1;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn-primary {
      background: var(--grad);
      color: #fff;
      box-shadow: 0 8px 18px rgba(31, 163, 146, 0.28);
    }
    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 22px rgba(23, 133, 118, 0.32);
    }
    .btn-primary:active { transform: translateY(0); }
    .btn-ghost {
      background: #fff;
      color: var(--brand-deep);
      border-color: var(--brand);
    }
    .btn-ghost:hover {
      color: var(--brand-deep);
      transform: translateY(-2px);
      background: #F3FBFA;
    }
    .btn[disabled] {
      opacity: .65;
      cursor: not-allowed;
      transform: none;
    }
    .section {
      padding: 96px 0;
      position: relative;
    }
    .section-mist { background: var(--mist); }
    .section-white { background: var(--card); }
    .section-head {
      max-width: 760px;
      margin-bottom: 40px;
    }
    .section-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-deep);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
      margin-bottom: 12px;
    }
    .kicker::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--grad);
      border-radius: 2px;
    }
    h1, h2, .h2 {
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.22;
      color: var(--ink);
    }
    h2, .h2 { font-size: clamp(28px, 3vw, 36px); }
    h3 { font-size: 20px; line-height: 1.35; font-weight: 700; }
    .lead {
      margin-top: 14px;
      color: var(--muted);
      font-size: 16px;
    }
    .site-header {
      position: relative;
      z-index: 50;
    }
    .topbar {
      height: var(--topbar-h);
      background: #F7FCFA;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }
    .topbar-inner, .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      height: 100%;
    }
    .topbar a { color: var(--ink); }
    .topbar a:hover { color: var(--brand-deep); }
    .top-left, .top-right, .trust-row {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .trust-row .badge { min-height: 24px; padding: 2px 10px; font-size: 12px; }
    .nav-main {
      height: var(--nav-h);
      background: rgba(244, 248, 247, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(213, 230, 226, .8);
    }
    .nav-main.is-sticky {
      position: sticky;
      top: 0;
      box-shadow: 0 8px 18px rgba(22, 48, 46, 0.06);
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-weight: 800;
      font-size: 18px;
      min-height: 44px;
    }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: var(--grad);
      display: grid;
      place-items: center;
      color: #fff;
      box-shadow: 0 6px 14px rgba(31,163,146,.28);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-links a {
      position: relative;
      color: var(--ink);
      font-size: 15px;
      font-weight: 600;
      padding: 10px 12px;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 6px;
      height: 2px;
      border-radius: 2px;
      background: var(--grad);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }
    .nav-links a:hover,
    .nav-links a.is-active { color: var(--brand-deep); }
    .nav-links a.is-active::after,
    .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { margin-left: 8px; min-width: 132px; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fff;
      padding: 0;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--ink);
      border-radius: 2px;
      position: relative;
      margin: 0 auto;
    }
    .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; }
    .drawer {
      position: fixed;
      inset: 0 0 0 auto;
      width: min(86vw, 360px);
      background: #fff;
      transform: translateX(100%);
      transition: transform .28s ease;
      z-index: 70;
      padding: 24px 20px 32px;
      box-shadow: -12px 0 32px rgba(22,48,46,.12);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .drawer.open { transform: translateX(0); }
    .drawer a {
      min-height: 48px;
      display: flex;
      align-items: center;
      padding: 8px 10px;
      border-radius: 12px;
      color: var(--ink);
      font-weight: 650;
    }
    .drawer a:hover { background: var(--mist); color: var(--brand-deep); }
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(22, 48, 46, .38);
      opacity: 0;
      pointer-events: none;
      transition: opacity .28s ease;
      z-index: 60;
    }
    .drawer-overlay.show { opacity: 1; pointer-events: auto; }
    body.nav-lock { overflow: hidden; }
    .hero {
      position: relative;
      min-height: calc(100vh - var(--topbar-h));
      color: #fff;
      overflow: hidden;
    }
    .hero-slides, .hero-slide {
      position: absolute;
      inset: 0;
    }
    .hero-slide {
      opacity: 0;
      transition: opacity .8s ease;
    }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-mask {
      position: absolute;
      inset: 0;
      z-index: 2;
      background:
        linear-gradient(180deg, rgba(255,255,255,.18) 0%, rgba(22,48,46,.18) 28%, rgba(22,48,46,.78) 100%),
        linear-gradient(90deg, rgba(22,48,46,.55), rgba(22,48,46,.12) 55%, rgba(30,75,69,.35));
      pointer-events: none;
    }
    .hero-stage {
      position: relative;
      z-index: 3;
      min-height: calc(100vh - var(--topbar-h));
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 48px 0 36px;
    }
    .hero-copy { max-width: 740px; }
    .brand-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.2);
      color: #fff;
      border-radius: 999px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .hero h1 {
      color: #fff;
      font-size: clamp(36px, 5vw, 52px);
      max-width: 16ch;
    }
    .slide-caption {
      margin-top: 12px;
      font-size: 18px;
      font-weight: 650;
      color: #D9F6F0;
    }
    .hero-lead {
      margin-top: 16px;
      max-width: 62ch;
      color: rgba(255,255,255,.88);
      font-size: 16px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .pledge {
      margin-top: 28px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 20px;
      align-items: center;
      background: rgba(244,248,247,.94);
      color: var(--ink);
      border-radius: 28px;
      padding: 18px;
      box-shadow: var(--shadow);
    }
    .ring-wrap {
      width: 108px;
      height: 108px;
      position: relative;
    }
    .ring-wrap svg { width: 108px; height: 108px; transform: rotate(-90deg); }
    .ring-meta {
      position: absolute;
      inset: 0;
      display: grid;
      place-content: center;
      text-align: center;
    }
    .ring-meta strong {
      font-size: 22px;
      font-variant-numeric: tabular-nums;
      letter-spacing: -0.03em;
    }
    .ring-meta span { font-size: 12px; color: var(--muted); }
    .tiers {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    .tier {
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 18px;
      padding: 12px;
      min-height: 96px;
      cursor: pointer;
      text-align: left;
      transition: border-color .2s ease, transform .2s ease;
    }
    .tier:hover, .tier.is-on {
      border-color: rgba(31,163,146,.55);
      transform: translateY(-2px);
    }
    .tier small { color: var(--brand-deep); font-weight: 700; font-size: 12px; }
    .tier b { display: block; margin: 4px 0; font-size: 15px; }
    .tier p { font-size: 13px; color: var(--muted); line-height: 1.5; }
    .pledge-cta .btn { min-width: 148px; }
    .hero-controls {
      position: absolute;
      right: max(20px, calc((100vw - var(--container)) / 2));
      bottom: 168px;
      z-index: 4;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .ctrl, .dots button {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 0;
      background: rgba(255,255,255,.16);
      color: #fff;
      display: grid;
      place-items: center;
    }
    .ctrl:hover { background: rgba(255,255,255,.28); }
    .dots { display: flex; gap: 6px; }
    .dots button {
      width: 10px;
      height: 10px;
      background: rgba(255,255,255,.4);
    }
    .dots button.is-on { background: #fff; width: 22px; border-radius: 999px; height: 10px; }
    .metrics { background: var(--bg); }
    .metric-track {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 14px;
    }
    .metric-card {
      background: var(--card);
      border-radius: 24px;
      padding: 22px 18px;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      min-height: 176px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      border-color: rgba(31,163,146,.2);
      box-shadow: var(--shadow-hover);
    }
    .metric-card .num {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.04em;
      font-variant-numeric: tabular-nums;
      line-height: 1.1;
      margin: 10px 0 8px;
    }
    .metric-card h3 { font-size: 16px; }
    .metric-card p { font-size: 13px; color: var(--muted); margin-top: 6px; }
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 40px;
      align-items: center;
    }
    .intro-visual {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #dfeae7;
    }
    .intro-visual img {
      width: 100%;
      height: 520px;
      object-fit: cover;
      border-radius: var(--radius-img);
    }
    .intro-float {
      position: absolute;
      left: 18px;
      bottom: 18px;
      background: rgba(255,255,255,.94);
      border-radius: 18px;
      padding: 14px 16px;
      box-shadow: var(--shadow);
      max-width: 260px;
    }
    .verify {
      margin-top: 18px;
      background: var(--mist);
      border-radius: 20px;
      padding: 16px 18px;
      border: 1px solid var(--line);
      font-size: 14px;
    }
    .intro-points { margin-top: 16px; display: grid; gap: 10px; }
    .intro-points li {
      display: flex;
      gap: 10px;
      font-size: 15px;
      color: var(--muted);
    }
    .intro-points i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      margin-top: 9px;
      flex: none;
    }
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .matrix-card {
      background: #fff;
      border-radius: 26px;
      padding: 22px;
      min-height: 280px;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      display: flex;
      flex-direction: column;
      gap: 10px;
      transition: transform .2s ease, border-color .2s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: rgba(31,163,146,.2);
    }
    .matrix-card .thumb {
      width: 100%;
      height: 92px;
      object-fit: cover;
      border-radius: 16px;
      margin-bottom: 4px;
    }
    .matrix-card h3 { font-size: 20px; }
    .matrix-card li {
      color: var(--muted);
      font-size: 14px;
      padding-left: 14px;
      position: relative;
    }
    .matrix-card li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--brand);
      position: absolute;
      left: 0;
      top: 8px;
    }
    .models-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .model-card {
      background: #fff;
      border-radius: 28px;
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      display: flex;
      flex-direction: column;
      min-height: 560px;
      transition: transform .2s ease, border-color .2s ease;
    }
    .model-card:hover {
      transform: translateY(-4px);
      border-color: rgba(31,163,146,.2);
    }
    .model-card img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .model-body { padding: 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
    .chips, .params { display: flex; flex-wrap: wrap; gap: 8px; }
    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border-radius: 28px;
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #fff;
    }
    .compare-pane { padding: 28px; }
    .compare-pane.human { background: #F7F4EF; }
    .compare-pane.robot { background: linear-gradient(180deg, #E8F7F3, #fff 42%); }
    .compare-pane h3 { margin-bottom: 14px; }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
    }
    .compare-table th, .compare-table td {
      text-align: left;
      padding: 10px 0;
      border-bottom: 1px dashed var(--line);
      vertical-align: top;
    }
    .compare-table th { color: var(--weak); font-weight: 600; width: 34%; }
    .compare-note {
      margin-top: 16px;
      font-weight: 700;
    }
    .table-scroll { overflow-x: auto; }
    .scene-bento {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .scene-card {
      position: relative;
      border-radius: 26px;
      overflow: hidden;
      min-height: 240px;
      color: #fff;
      box-shadow: var(--shadow);
    }
    .scene-card:first-child { grid-row: 1 / span 2; min-height: 500px; }
    .scene-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      inset: 0;
    }
    .scene-card .shade {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(22,48,46,.05), rgba(22,48,46,.78));
    }
    .scene-card .txt {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
    }
    .scene-card h3 { color: #fff; font-size: 22px; }
    .scene-card p { color: rgba(255,255,255,.88); font-size: 14px; margin-top: 8px; }
    .cases {
      color: #EAF7F4;
      background:
        linear-gradient(180deg, rgba(22,48,46,.88), rgba(30,75,69,.9)),
        url("/assets/images/4eefb424d216f674.webp") center/cover;
    }
    .cases h2, .cases .lead { color: #fff; }
    .case-list { display: grid; gap: 14px; }
    .case-bar {
      display: grid;
      grid-template-columns: 1.1fr .9fr auto;
      gap: 16px;
      align-items: center;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 22px;
      padding: 18px 20px;
    }
    .idea {
      margin-top: 28px;
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 20px;
      align-items: start;
    }
    .idea ul { display: grid; gap: 8px; }
    .idea li {
      padding-left: 16px;
      position: relative;
    }
    .idea li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
      position: absolute;
      left: 0;
      top: 10px;
    }
    .timeline {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      position: relative;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 8px;
      right: 8px;
      top: 23px;
      height: 2px;
      background: repeating-linear-gradient(90deg, var(--brand) 0 10px, transparent 10px 18px);
      opacity: .35;
    }
    .node {
      background: #fff;
      border-radius: 22px;
      padding: 18px 16px 16px;
      box-shadow: var(--shadow);
      position: relative;
    }
    .node .dotn {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--grad);
      margin-bottom: 16px;
      box-shadow: 0 0 0 6px rgba(31,163,146,.15);
    }
    .node h3 { font-size: 16px; }
    .node p { font-size: 13px; color: var(--muted); margin-top: 8px; }
    .story-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 16px;
    }
    .story-card {
      background: #fff;
      border-radius: 26px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 180px 1fr;
    }
    .story-card img { width: 100%; height: 100%; object-fit: cover; min-height: 210px; }
    .story-card .txt { padding: 20px; }
    .story-card p { color: var(--muted); font-size: 15px; margin-top: 8px; }
    .story-stack { display: grid; gap: 16px; }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .review-card {
      background: #fff;
      border-radius: 24px;
      padding: 20px;
      box-shadow: var(--shadow);
      min-height: 230px;
    }
    .stars { color: var(--star); letter-spacing: 2px; font-size: 14px; }
    .review-card p { margin-top: 10px; font-size: 14px; color: var(--muted); }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .news-card {
      background: #fff;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      border: 1px solid transparent;
      transition: transform .2s ease, border-color .2s ease;
    }
    .news-card:hover { transform: translateY(-4px); border-color: rgba(31,163,146,.2); }
    .news-card img { height: 150px; width: 100%; object-fit: cover; }
    .news-card .txt { padding: 16px 16px 18px; }
    .news-card time { font-size: 12px; color: var(--weak); }
    .news-card h3 { font-size: 16px; margin: 6px 0; }
    .news-card p { font-size: 13px; color: var(--muted); }
    .more-link {
      display: inline-flex;
      min-height: 44px;
      align-items: center;
      font-weight: 700;
      margin-top: 18px;
    }
    .g-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .g-card {
      background: #fff;
      border-radius: 24px;
      padding: 20px;
      box-shadow: var(--shadow);
      min-height: 170px;
    }
    .g-card p { color: var(--muted); font-size: 14px; margin-top: 8px; }
    .hotline {
      margin-top: 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .quick-list { display: grid; gap: 8px; }
    .quick-item {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--line);
      overflow: hidden;
    }
    .quick-item button, .faq-item button {
      width: 100%;
      text-align: left;
      background: transparent;
      border: 0;
      min-height: 52px;
      padding: 12px 16px;
      font-size: 15px;
      font-weight: 700;
      color: var(--ink);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }
    .quick-item .panel, .faq-item .panel {
      display: none;
      padding: 0 16px 14px;
      color: var(--muted);
      font-size: 14px;
      background: var(--mist);
    }
    .quick-item.open .panel, .faq-item.open .panel { display: block; padding-top: 8px; }
    .mark {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      flex: none;
      color: var(--brand-deep);
    }
    .faq-item {
      background: #fff;
      border-radius: 18px;
      margin-bottom: 10px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .faq-item .panel { background: #F3FAF8; }
    .contact-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 28px;
      align-items: stretch;
    }
    .contact-side {
      background: linear-gradient(180deg, #16302E, #1E4B45);
      color: #EAF7F4;
      border-radius: 28px;
      padding: 28px;
    }
    .contact-side h2, .contact-side .lead { color: #fff; }
    .contact-side li {
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,.12);
    }
    .form-card {
      background: #fff;
      border-radius: 28px;
      padding: 28px;
      box-shadow: var(--shadow);
    }
    .fields { display: grid; gap: 14px; }
    .field label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .field input, .field select, .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 14px;
      min-height: 48px;
      padding: 10px 14px;
      background: #FBFDFC;
      color: var(--ink);
      font-size: 15px;
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--brand);
      background: #fff;
    }
    .field input.is-invalid, .field select.is-invalid, .field textarea.is-invalid {
      border-color: var(--danger);
    }
    .err { color: var(--danger); font-size: 12px; min-height: 16px; margin-top: 4px; }
    .form-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
    .form-ok {
      display: none;
      background: var(--mist);
      border-radius: 14px;
      padding: 12px 14px;
      color: var(--brand-deep);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .site-footer {
      background: #1A2E2C;
      color: #C9DDD8;
      padding: 56px 0 24px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr 1fr .8fr;
      gap: 28px;
    }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #C9DDD8; display: inline-flex; min-height: 36px; align-items: center; }
    .site-footer a:hover { color: #fff; }
    .foot-brand { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 10px; }
    .copy {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,.1);
      font-size: 13px;
      color: #9BB3AE;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .path-deco {
      pointer-events: none;
      position: absolute;
      inset: auto 0 0 0;
      height: 80px;
      background: radial-gradient(circle at 10% 40%, rgba(25,183,199,.12), transparent 40%),
                  radial-gradient(circle at 80% 20%, rgba(31,163,146,.1), transparent 42%);
    }
    @media (max-width: 1280px) {
      .metric-track { grid-template-columns: repeat(3, 1fr); }
      .reviews-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: repeat(3, 1fr); }
      .timeline::before { display: none; }
    }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .menu-toggle { display: grid; place-items: center; }
      .intro-grid, .contact-grid, .story-grid, .compare-wrap, .idea, .case-bar {
        grid-template-columns: 1fr;
      }
      .matrix-grid, .models-grid, .g-grid { grid-template-columns: repeat(2, 1fr); }
      .scene-bento { grid-template-columns: 1fr; }
      .scene-card:first-child { grid-row: auto; min-height: 280px; }
      .pledge { grid-template-columns: 1fr; }
      .hero-controls { bottom: 24px; }
      .intro-visual img { height: 380px; }
      .story-card { grid-template-columns: 140px 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .section { padding: 72px 0; }
    }
    @media (max-width: 768px) {
      .top-right { display: none; }
      .metric-track {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 8px;
      }
      .metric-card { min-width: 220px; scroll-snap-align: start; }
      .matrix-grid, .g-grid, .news-grid, .reviews-grid { grid-template-columns: 1fr 1fr; }
      .models-grid, .timeline { grid-template-columns: 1fr; }
      .tiers { grid-template-columns: 1fr; }
      .hero h1 { max-width: none; }
      .section { padding: 56px 0; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, var(--container)); }
      .matrix-grid, .g-grid, .news-grid, .reviews-grid, .foot-grid { grid-template-columns: 1fr; }
      .story-card { grid-template-columns: 1fr; }
      .story-card img { height: 180px; }
      .hero-stage { padding-top: 32px; }
      .btn { width: 100%; }
      .hero-actions .btn { width: auto; flex: 1; }
      .copy { flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .hero-slide { transition: none; }
    }