/* roulang page: index */
:root {
      --bio-primary: #1B6B5A;
      --bio-primary-2: #0F5C4F;
      --bio-primary-soft: #E6F1ED;
      --bio-ink: #1A2422;
      --bio-bg: #F3F6F4;
      --bio-mark: #C4A35A;
      --bio-mark-soft: #F4EBD6;
      --bio-white: #FFFFFF;
      --bio-muted: #5C6B66;
      --bio-line: #D7E2DD;
      --bio-dark: #141C1A;
      --bio-dark-2: #1E2A27;
      --bio-error: #A24B43;
      --bio-error-bg: #F8ECEB;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 8px 24px rgba(26, 36, 34, .06);
      --shadow-hover: 0 10px 26px rgba(26, 36, 34, .10);
      --container: 1240px;
      --nav-h: 68px;
      --bar-h: 36px;
      --focus: 2px solid #C4A35A;
      --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--sans);
      font-size: 17px;
      line-height: 1.75;
      color: var(--bio-ink);
      background: var(--bio-bg);
      letter-spacing: .01em;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--bio-primary-2); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--bio-primary); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: var(--focus);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3 { font-family: var(--serif); color: var(--bio-ink); letter-spacing: -.04em; line-height: 1.28; margin: 0 0 14px; }
    h1 { font-size: clamp(32px, 4vw, 46px); font-weight: 700; }
    h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 700; }
    h3 { font-size: 18px; font-weight: 600; }
    p { margin: 0 0 14px; }
    ul { margin: 0; padding: 0; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .lab-header { position: relative; z-index: 80; }
    .lab-toolbar {
      background: #10231E;
      color: #C9D7D2;
      font-size: 12px;
      height: var(--bar-h);
      display: flex;
      align-items: center;
      transition: transform .28s ease, opacity .28s ease;
    }
    .lab-header.is-compact .lab-toolbar {
      transform: translateY(-100%);
      opacity: 0;
      pointer-events: none;
      height: 0;
      overflow: hidden;
    }
    .toolbar-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .toolbar-left a { color: #DDE7E3; }
    .toolbar-left a:hover { color: #fff; }
    .tick { opacity: .45; }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid #3A5A52;
      color: var(--bio-mark);
      border-radius: 6px;
      padding: 2px 8px;
      letter-spacing: .06em;
      background: rgba(196, 163, 90, .08);
    }
    .lab-nav {
      background: rgba(255, 255, 255, .96);
      border-bottom: 1px solid var(--bio-line);
      height: var(--nav-h);
      position: sticky;
      top: 0;
      z-index: 90;
      backdrop-filter: blur(10px);
    }
    .nav-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      height: 100%;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 24px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--bio-ink);
      font-family: var(--serif);
      font-weight: 700;
      font-size: 20px;
      letter-spacing: -.03em;
    }
    .logo svg { flex: 0 0 auto; }
    .logo:hover { color: var(--bio-primary-2); }
    .nav-links { display: flex; justify-content: center; gap: 6px; }
    .nav-links a {
      position: relative;
      color: var(--bio-ink);
      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(--bio-primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }
    .nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px; height: 44px;
      border: 1px solid var(--bio-line);
      background: #fff;
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span {
      display: block; width: 18px; height: 1.5px; background: var(--bio-ink);
      transition: transform .2s ease, opacity .2s ease;
    }
    .menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
    .menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
    .drawer {
      position: fixed; inset: 0 0 0 auto;
      width: min(86vw, 360px);
      background: #fff;
      z-index: 120;
      transform: translateX(100%);
      transition: transform .28s ease;
      box-shadow: -16px 0 40px rgba(26, 36, 34, .12);
      display: flex;
      flex-direction: column;
      padding: 28px 22px;
      gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a {
      min-height: 44px;
      display: flex;
      align-items: center;
      color: var(--bio-ink);
      border-bottom: 1px solid var(--bio-line);
      font-size: 16px;
    }
    .drawer-mask {
      position: fixed; inset: 0;
      background: rgba(20, 28, 26, .45);
      opacity: 0;
      pointer-events: none;
      z-index: 110;
      transition: opacity .28s ease;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 8px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .02em;
      transition: transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease, opacity .18s ease;
    }
    .btn:hover { transform: translateY(-1px); filter: brightness(1.04); box-shadow: var(--shadow); }
    .btn:active { transform: translateY(1px); filter: brightness(.98); }
    .btn[disabled] { opacity: .45; pointer-events: none; }
    .btn-primary { background: var(--bio-primary); color: #fff; }
    .btn-primary:hover { background: var(--bio-primary-2); color: #fff; }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
    .btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }
    .btn-line { background: #fff; color: var(--bio-ink); border-color: var(--bio-line); }
    .btn-text { background: transparent; color: var(--bio-primary-2); padding-left: 0; padding-right: 0; min-height: auto; }
    .btn-text:hover { box-shadow: none; }
    .section {
      padding: 96px 0;
      position: relative;
      scroll-margin-top: 84px;
    }
    .section.alt { background: #fff; }
    .section.tint { background: var(--bio-bg); }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--bio-primary-2);
      font-size: 12px;
      letter-spacing: .18em;
      text-transform: uppercase;
      margin-bottom: 10px;
      font-weight: 600;
    }
    .kicker::before {
      content: "";
      width: 18px; height: 1px;
      background: var(--bio-mark);
    }
    .lead { color: var(--bio-muted); max-width: 760px; font-size: 16px; }
    .hero {
      position: relative;
      min-height: min(82vh, 760px);
      color: #fff;
      overflow: hidden;
      background: var(--bio-dark);
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0;
      opacity: 0;
      transition: opacity .7s ease;
    }
    .hero-slide.is-on { opacity: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(16, 24, 22, .72) 0%, rgba(16, 24, 22, .52) 48%, rgba(16, 24, 22, .38) 100%);
    }
    .hero-dots-bg {
      position: absolute; inset: 0;
      background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
      background-size: 22px 22px;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      padding: 54px 0 72px;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: stretch;
    }
    .paper-cover, .paper-index {
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 10px;
      backdrop-filter: blur(8px);
    }
    .paper-cover { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
    .paper-cover img {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
      border-radius: 8px;
    }
    .paper-meta { display: flex; gap: 8px; flex-wrap: wrap; }
    .chip {
      display: inline-flex;
      align-items: center;
      border-radius: 6px;
      padding: 3px 8px;
      font-size: 12px;
      background: var(--bio-mark-soft);
      color: #6D5420;
      border: 1px solid #E4D3A6;
    }
    .chip.dark {
      background: rgba(196,163,90,.16);
      color: #E8D7A4;
      border-color: rgba(196,163,90,.35);
    }
    .hero h1 { color: #fff; margin-bottom: 10px; }
    .slide-copy { color: #E4EEEA; font-size: 16px; min-height: 5.4em; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
    .paper-index { padding: 22px 22px 18px; }
    .paper-index h2 { color: #fff; font-size: 20px; margin-bottom: 6px; }
    .toc { list-style: none; margin-top: 12px; }
    .toc li {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 10px;
      align-items: baseline;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255,255,255,.18);
      color: #E8F0ED;
      font-size: 14px;
    }
    .toc .no { font-family: var(--serif); color: var(--bio-mark); }
    .toc .pg { color: #A9BDB6; font-size: 12px; }
    .hero-ctrl {
      position: absolute; z-index: 3;
      right: max(20px, calc((100% - var(--container)) / 2));
      bottom: 22px;
      display: flex; gap: 8px; align-items: center;
    }
    .hero-btn, .dot {
      width: 44px; height: 44px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.28);
      background: rgba(20,28,26,.35);
      color: #fff;
    }
    .dots { display: flex; gap: 6px; }
    .dot { width: 10px; height: 10px; border-radius: 50%; padding: 0; min-width: 10px; }
    .dot.is-on { background: var(--bio-mark); border-color: var(--bio-mark); }
    .split {
      display: grid;
      grid-template-columns: 7fr 5fr;
      gap: 36px;
      align-items: center;
    }
    .spec-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
    .spec-list li {
      display: grid;
      grid-template-columns: 16px 1fr;
      gap: 10px;
      padding: 10px 12px;
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 8px;
      font-size: 15px;
    }
    .spec-list i {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--bio-primary);
      margin-top: 9px;
      display: block;
    }
    .frame {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--bio-line);
      box-shadow: var(--shadow);
    }
    .frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
    .frame figcaption {
      position: absolute; left: 12px; bottom: 12px;
      background: rgba(20,28,26,.72);
      color: #fff;
      font-size: 12px;
      padding: 6px 10px;
      border-radius: 6px;
    }
    .cap-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
      margin-top: 28px;
    }
    .cap-card {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 22px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .cap-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .cap-card.lg { grid-column: span 6; min-height: 250px; }
    .cap-card.sm { grid-column: span 3; }
    .cap-card .ico {
      width: 28px; height: 28px; color: var(--bio-primary);
      margin-bottom: 12px;
    }
    .cap-card h3 { margin-bottom: 8px; }
    .cap-card ul { list-style: none; color: var(--bio-muted); font-size: 14px; }
    .cap-card li { padding: 4px 0 4px 14px; position: relative; }
    .cap-card li::before {
      content: "";
      width: 6px; height: 1px;
      background: var(--bio-mark);
      position: absolute; left: 0; top: 13px;
    }
    .scene-track {
      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;
      margin-top: 28px;
    }
    .scene-card {
      scroll-snap-align: start;
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 22px 20px;
      min-height: 250px;
    }
    .scene-no {
      font-family: var(--serif);
      color: var(--bio-mark);
      font-size: 13px;
      letter-spacing: .16em;
    }
    .io { font-size: 13px; color: var(--bio-muted); margin-top: 12px; }
    .io b { color: var(--bio-ink); font-weight: 600; }
    .prod-layout {
      display: grid;
      grid-template-columns: 1.35fr .9fr;
      gap: 18px;
      margin-top: 28px;
    }
    .prod-main, .prod-mini {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .prod-main img, .prod-mini img { width: 100%; object-fit: cover; }
    .prod-main img { aspect-ratio: 16/10; }
    .prod-mini img { aspect-ratio: 16/9; }
    .prod-body { padding: 20px 22px 22px; }
    .param-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 16px; }
    .param {
      font-size: 12px;
      border: 1px solid var(--bio-line);
      border-radius: 6px;
      padding: 4px 8px;
      background: var(--bio-bg);
    }
    .prod-side { display: flex; flex-direction: column; gap: 18px; }
    .gallery-wrap {
      display: grid;
      grid-template-columns: 1.5fr .8fr;
      gap: 16px;
      margin-top: 28px;
    }
    .gallery-stage {
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--bio-line);
      background: #0f1715;
      min-height: 360px;
      position: relative;
    }
    .gallery-stage img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
    .gallery-caption {
      position: absolute; left: 0; right: 0; bottom: 0;
      padding: 16px 18px;
      background: linear-gradient(transparent, rgba(10,16,14,.8));
      color: #fff;
      font-size: 14px;
    }
    .thumbs { display: grid; gap: 10px; }
    .thumbs button {
      border: 1px solid var(--bio-line);
      background: #fff;
      border-radius: 8px;
      overflow: hidden;
      padding: 0;
      text-align: left;
      display: grid;
      grid-template-columns: 92px 1fr;
      min-height: 72px;
    }
    .thumbs button.is-on { border-color: var(--bio-primary); box-shadow: 0 0 0 1px var(--bio-primary) inset; }
    .thumbs img { width: 92px; height: 72px; object-fit: cover; }
    .thumbs span { padding: 8px 10px; font-size: 13px; color: var(--bio-ink); }
    .dark-band {
      background: var(--bio-dark);
      color: #E6EEIA;
      color: #E7EFEC;
      padding: 96px 0;
      position: relative;
      overflow: hidden;
      scroll-margin-top: 84px;
    }
    .dark-band::before {
      content: "";
      position: absolute; right: -80px; top: -80px;
      width: 280px; height: 280px;
      border: 1px solid rgba(196,163,90,.18);
      border-radius: 50%;
    }
    .dark-band h2, .dark-band h3 { color: #fff; }
    .dark-band .lead { color: #B7C6C1; }
    .case-grid {
      display: grid;
      grid-template-columns: 1.2fr .9fr .9fr;
      gap: 16px;
      margin-top: 28px;
    }
    .case-card {
      border: 1px solid #2A3A36;
      background: var(--bio-dark-2);
      border-radius: 10px;
      padding: 22px;
    }
    .case-card p, .case-card li { color: #C5D4CF; font-size: 14px; }
    .case-card ul { list-style: none; }
    .case-card li { padding: 6px 0; border-bottom: 1px dashed #31423D; }
    .timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin: 28px 0 22px;
    }
    .time-step {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 18px;
      position: relative;
    }
    .time-step::after {
      content: "";
      position: absolute;
      right: -10px; top: 28px;
      width: 8px; height: 1px;
      background: var(--bio-mark);
    }
    .time-step:last-child::after { display: none; }
    .mod-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .mod {
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 18px;
      background: var(--bio-bg);
    }
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 28px;
    }
    .price-card {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 24px 22px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .price-card.featured {
      border-color: #D9C48A;
      box-shadow: 0 10px 28px rgba(196,163,90,.12);
      position: relative;
    }
    .mark-tag {
      position: absolute;
      top: 14px; right: 14px;
      background: var(--bio-mark);
      color: #1A2422;
      font-size: 12px;
      border-radius: 6px;
      padding: 3px 8px;
      font-weight: 600;
    }
    .price-card ul { list-style: none; color: var(--bio-muted); font-size: 14px; margin: 8px 0 16px; }
    .price-card li { padding: 6px 0; border-bottom: 1px solid var(--bio-line); }
    .custom-box {
      margin-top: 18px;
      border: 1px dashed var(--bio-line);
      border-radius: 10px;
      padding: 20px 22px;
      background: #fff;
    }
    .custom-box ol { margin: 8px 0 0 18px; color: var(--bio-muted); }
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 28px;
    }
    .story {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .story div { padding: 22px; }
    .stats {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 12px;
      margin-top: 28px;
    }
    .stat {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 22px 16px;
      text-align: left;
    }
    .stat b {
      display: block;
      font-family: var(--serif);
      font-size: 32px;
      color: var(--bio-primary-2);
      letter-spacing: -.04em;
    }
    .stat span { color: var(--bio-muted); font-size: 13px; }
    .review-wall {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 14px;
      margin-top: 28px;
    }
    .review {
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      padding: 18px;
      box-shadow: var(--shadow);
    }
    .review:nth-child(1), .review:nth-child(6) { grid-column: span 5; }
    .review:nth-child(2), .review:nth-child(5) { grid-column: span 7; }
    .review:nth-child(3), .review:nth-child(4), .review:nth-child(7), .review:nth-child(8) { grid-column: span 6; }
    .stars { color: var(--bio-mark); letter-spacing: 2px; font-size: 12px; margin-bottom: 8px; }
    .role { font-size: 12px; color: var(--bio-muted); margin-top: 10px; }
    .quote-band {
      margin-top: 10px;
      background: #fff;
      border-left: 3px solid var(--bio-mark);
      padding: 28px 32px;
      border-radius: 0 10px 10px 0;
    }
    .quote-band q {
      font-family: var(--serif);
      font-size: clamp(22px, 2.4vw, 30px);
      line-height: 1.45;
      display: block;
      quotes: none;
    }
    .name-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .name-strip span {
      border: 1px solid var(--bio-line);
      border-radius: 6px;
      padding: 4px 10px;
      font-size: 12px;
      color: var(--bio-muted);
    }
    .news-list { display: grid; gap: 14px; margin-top: 28px; }
    .news-item {
      display: grid;
      grid-template-columns: 220px 1fr auto;
      gap: 18px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      overflow: hidden;
    }
    .news-item img { width: 220px; height: 140px; object-fit: cover; }
    .news-item h3 { margin-bottom: 6px; }
    .news-item p { color: var(--bio-muted); font-size: 14px; margin: 0; }
    .faq-list { margin-top: 24px; display: grid; gap: 8px; }
    .faq-item { border-bottom: 1px solid var(--bio-line); background: transparent; }
    .faq-item button {
      width: 100%;
      background: none;
      border: 0;
      text-align: left;
      min-height: 56px;
      padding: 14px 8px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      font-size: 16px;
      font-weight: 600;
      color: var(--bio-ink);
    }
    .faq-item .sign { color: var(--bio-primary); font-family: var(--serif); }
    .faq-item .ans {
      display: none;
      padding: 0 8px 16px;
      color: var(--bio-muted);
      font-size: 15px;
    }
    .faq-item.is-open .ans { display: block; }
    .cta-close {
      background:
        linear-gradient(90deg, rgba(20,28,26,.82), rgba(20,28,26,.55)),
        url("/assets/images/776b063775ef1da8.webp") center/cover no-repeat;
      color: #fff;
      padding: 96px 0;
      scroll-margin-top: 84px;
    }
    .cta-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }
    .steps { display: grid; gap: 12px; }
    .step {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 8px;
      background: rgba(255,255,255,.06);
    }
    .step b { font-family: var(--serif); color: var(--bio-mark); }
    .form-card {
      background: #fff;
      color: var(--bio-ink);
      border-radius: 10px;
      padding: 24px;
      box-shadow: var(--shadow-hover);
    }
    .form-card label { display: block; font-size: 13px; margin: 10px 0 6px; }
    .form-card input, .form-card select, .form-card textarea {
      width: 100%;
      border: 1px solid var(--bio-line);
      border-radius: 8px;
      min-height: 44px;
      padding: 8px 12px;
      background: #fff;
      color: var(--bio-ink);
    }
    .form-card textarea { min-height: 96px; resize: vertical; }
    .form-card .err { border-color: var(--bio-error); background: var(--bio-error-bg); }
    .form-msg { display: none; margin-top: 12px; font-size: 14px; }
    .form-msg.ok { display: block; color: var(--bio-primary-2); }
    .form-msg.bad { display: block; color: var(--bio-error); }
    .lab-footer {
      background: #101816;
      color: #C5D2CD;
      padding: 56px 0 0;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr .8fr .9fr;
      gap: 28px;
      padding-bottom: 28px;
    }
    .lab-footer h3 { color: #fff; font-size: 16px; }
    .lab-footer a { color: #C5D2CD; }
    .lab-footer a:hover { color: #fff; }
    .lab-footer p, .lab-footer li { font-size: 14px; }
    .lab-footer ul { list-style: none; }
    .lab-footer li { padding: 4px 0; }
    .foot-bar {
      border-top: 1px solid #24322E;
      padding: 16px 0 22px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 13px;
      color: #9AADA6;
    }
    .compare {
      width: 100%;
      border-collapse: collapse;
      margin-top: 22px;
      background: #fff;
      border: 1px solid var(--bio-line);
      border-radius: 10px;
      overflow: hidden;
    }
    .compare th, .compare td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--bio-line);
      text-align: left;
      font-size: 14px;
    }
    .compare th { background: var(--bio-primary-soft); }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }
    @media (max-width: 1440px) {
      .hero-content { width: min(100% - 48px, var(--container)); }
    }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-content, .split, .prod-layout, .gallery-wrap, .cta-grid, .story-grid, .case-grid { grid-template-columns: 1fr; }
      .cap-card.lg, .cap-card.sm { grid-column: span 6; }
      .timeline, .mod-grid, .price-grid, .stats { grid-template-columns: 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .news-item { grid-template-columns: 160px 1fr; }
      .news-item .btn-text { display: none; }
      .hero { min-height: 62vh; }
    }
    @media (max-width: 768px) {
      body { font-size: 16px; }
      .section, .dark-band, .cta-close { padding: 72px 0; }
      .cap-card.lg, .cap-card.sm { grid-column: span 12; }
      .review:nth-child(n) { grid-column: span 12; }
      .story { grid-template-columns: 1fr; }
      .toolbar-right { display: none; }
      .hero-content { padding-top: 32px; }
      .thumbs button { grid-template-columns: 72px 1fr; }
    }
    @media (max-width: 520px) {
      .container, .toolbar-inner, .nav-inner, .hero-content { width: min(100% - 24px, var(--container)); }
      .timeline, .mod-grid, .price-grid, .stats, .foot-grid { grid-template-columns: 1fr; }
      .time-step::after { display: none; }
      .news-item, .thumbs button { grid-template-columns: 1fr; }
      .news-item img { width: 100%; height: 180px; }
      .hero { min-height: 58vh; }
      .hero-ctrl { left: 16px; right: 16px; justify-content: space-between; }
      .foot-bar { flex-direction: column; }
      .compare { display: block; }
      .compare thead { display: none; }
      .compare tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--bio-line); }
      .compare td { display: block; border: 0; padding: 4px 14px; }
    }