/* roulang page: index */
:root {
      --ink: #1C2420;
      --moss: #3D7A5A;
      --moss-deep: #2F5E45;
      --amber: #C45C26;
      --amber-deep: #A34B1E;
      --paper: #F3F0E8;
      --paper-2: #E8E3D6;
      --deep: #0E1210;
      --char: #141A17;
      --card: #FFFDF8;
      --line: #D9D3C7;
      --muted: #5E675F;
      --danger: #A33B2B;
      --ok: #2F6B48;
      --radius-card: 9px;
      --radius-btn: 5px;
      --radius-img: 6px;
      --shadow: 0 2px 0 rgba(28, 36, 32, 0.08), 0 8px 18px rgba(28, 36, 32, 0.08);
      --shadow-hover: 0 4px 0 rgba(28, 36, 32, 0.1), 0 12px 22px rgba(28, 36, 32, 0.12);
      --space: 24px;
      --container: 1240px;
      --nav-h: 72px;
      --toolbar-h: 38px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      --num: "DIN Alternate", "Tabular Numbers", "Noto Sans SC", monospace;
    }
    *, *::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: 1.8;
      color: var(--ink);
      background: var(--paper);
      background-image:
        linear-gradient(rgba(28, 36, 32, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(28, 36, 32, 0.028) 1px, transparent 1px);
      background-size: 48px 48px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--moss-deep); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
    a:hover { color: var(--amber-deep); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; letter-spacing: -0.02em; font-weight: 700; line-height: 1.28; color: var(--ink); }
    p { margin: 0 0 1em; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    dl, dt, dd { margin: 0; }
    :focus-visible {
      outline: 2px solid var(--moss);
      outline-offset: 3px;
    }
    .skip {
      position: absolute; left: -999px; top: 0;
    }
    .skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px 12px; z-index: 80; }
    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .prose { max-width: 720px; }
    .muted { color: var(--muted); }
    .num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; letter-spacing: 0.02em; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 20px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-weight: 650; letter-spacing: 0.02em;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      text-align: center; white-space: nowrap;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-amber {
      background: var(--amber); color: var(--ink);
      box-shadow: 0 2px 0 var(--amber-deep);
    }
    .btn-amber:hover { background: #d4682d; color: var(--ink); box-shadow: var(--shadow-hover); }
    .btn-outline {
      background: transparent; color: var(--moss-deep);
      border-color: var(--moss);
    }
    .btn-outline:hover { background: rgba(61, 122, 90, 0.08); color: var(--moss-deep); border-color: var(--moss-deep); }
    .btn-ghost {
      background: transparent; color: #F3F0E8; border-color: rgba(243, 240, 232, 0.55);
    }
    .btn-ghost:hover { background: rgba(243, 240, 232, 0.08); color: #fff; }
    .btn-block { width: 100%; }

    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      height: 28px; padding: 0 10px;
      border-radius: 4px; font-size: 12px; font-weight: 650;
      letter-spacing: 0.08em;
      background: rgba(196, 92, 38, 0.12); color: var(--amber-deep);
      border: 1px solid rgba(196, 92, 38, 0.28);
    }
    .tag {
      display: inline-flex; align-items: center;
      padding: 6px 12px; border-radius: 4px;
      background: var(--paper-2); color: var(--ink);
      border: 1px solid var(--line); font-size: 13px; font-weight: 600;
    }
    .tag.is-on, .tag:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

    .site-header {
      position: relative; z-index: 50; background: var(--paper);
    }
    .toolbar {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--toolbar-h);
      padding: 0 24px;
      background: var(--char); color: #c9d0cb;
      font-size: 13px; letter-spacing: 0.02em;
    }
    .toolbar-status {
      margin: 0; color: #e6e1d4;
      display: flex; align-items: center; gap: 8px;
    }
    .toolbar-status::before {
      content: ""; width: 7px; height: 7px; border-radius: 50%;
      background: #7dba8d; box-shadow: 0 0 0 3px rgba(125, 186, 141, 0.2);
    }
    .toolbar-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
    .toolbar-links a { color: #d7ddd8; min-height: 32px; display: inline-flex; align-items: center; }
    .toolbar-links a:hover { color: #fff; }

    .nav-bar {
      display: flex; align-items: center; gap: 20px;
      min-height: var(--nav-h);
      padding: 0 24px;
      background: #FFFDF8;
      border-bottom: 1px solid var(--line);
    }
    .nav-bar.is-sticky {
      position: sticky; top: 0; z-index: 48;
      box-shadow: 0 6px 16px rgba(14, 18, 16, 0.08);
    }
    .logo {
      display: flex; align-items: center; gap: 10px;
      color: var(--ink); font-weight: 760; font-size: 18px;
      letter-spacing: 0.04em; flex-shrink: 0;
    }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 34px; height: 34px; color: var(--moss);
      flex-shrink: 0;
    }
    .logo-mark svg { width: 100%; height: 100%; display: block; }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text small { font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.12em; }

    .nav-toggle {
      display: none; margin-left: auto;
      width: 44px; height: 44px; border: 1px solid var(--line);
      background: var(--card); border-radius: 5px;
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle span {
      display: block; width: 18px; height: 2px; background: var(--ink);
      transition: transform .2s ease, opacity .2s ease;
    }
    .site-header.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .site-header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
    .site-header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .nav-panel {
      display: flex; align-items: center; gap: 22px; margin-left: auto; flex: 1;
    }
    .nav-list {
      display: flex; align-items: center; gap: 4px;
      margin: 0 auto; flex-wrap: wrap; justify-content: center;
    }
    .nav-list a {
      position: relative; color: var(--ink);
      padding: 10px 12px; font-size: 15px; font-weight: 600;
      min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-list a:hover { color: var(--moss-deep); }
    .nav-list a.is-active { color: var(--moss-deep); }
    .nav-list a.is-active::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px;
      height: 2px; background: var(--moss);
    }
    .nav-cta { flex-shrink: 0; }

    .hero {
      position: relative; background: var(--deep); color: #F3F0E8;
      isolation: isolate;
    }
    .hero::after {
      content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; z-index: 4;
      background: repeating-linear-gradient(90deg, var(--amber) 0 14px, #111 14px 28px);
    }
    .carousel { position: relative; min-height: 72vh; overflow: hidden; }
    .slides { position: relative; min-height: 72vh; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .5s ease, visibility .5s ease;
    }
    .slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .slide img {
      width: 100%; height: 100%; object-fit: cover; object-position: center;
      filter: saturate(0.85) contrast(1.05);
    }
    .slide-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(14, 18, 16, 0.88) 0%, rgba(14, 18, 16, 0.62) 42%, rgba(14, 18, 16, 0.18) 100%);
      display: flex; align-items: center;
    }
    .slide-copy {
      width: min(100% - 40px, var(--container));
      margin: 0 auto; padding: 48px 0 92px;
    }
    .slide-copy .prose, .slide-copy > * { max-width: 680px; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 13px; letter-spacing: 0.16em; font-weight: 650;
      color: #d8c4a8; margin-bottom: 14px;
    }
    .hero h1, .slide-title {
      font-size: clamp(28px, 4.2vw, 46px);
      font-weight: 730; color: #F6F2E9; margin-bottom: 16px;
    }
    .slide-lead {
      font-size: 16px; line-height: 1.85; color: #d5d8d2;
      margin-bottom: 26px; max-width: 640px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .carousel-nav {
      position: absolute; z-index: 3; top: 46%;
      width: 44px; height: 44px; border-radius: 5px;
      border: 1px solid rgba(243, 240, 232, 0.28);
      background: rgba(14, 18, 16, 0.45); color: #fff;
      display: grid; place-items: center;
    }
    .carousel-nav.prev { left: 18px; }
    .carousel-nav.next { right: 18px; }
    .carousel-nav:hover { background: rgba(196, 92, 38, 0.9); border-color: var(--amber); }
    .carousel-dots {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 86px;
      display: flex; justify-content: center; gap: 8px;
    }
    .carousel-dots button {
      width: 28px; height: 4px; padding: 0; border: 0; border-radius: 1px;
      background: rgba(243, 240, 232, 0.35); min-height: 12px;
      background-clip: content-box; padding: 4px 0;
    }
    .carousel-dots button[aria-current="true"] { background-color: var(--amber); }

    .metrics {
      position: relative; z-index: 4;
      margin-top: -56px;
    }
    .metrics-inner {
      display: grid; grid-template-columns: repeat(5, 1fr);
      background: var(--ink); color: #F3F0E8;
      border: 1px solid #2a332e; border-radius: 8px;
      overflow: hidden; box-shadow: var(--shadow);
    }
    .metric {
      padding: 18px 16px 16px; border-right: 1px solid #2a332e;
      text-align: left;
    }
    .metric:last-child { border-right: 0; }
    .metric b {
      display: block; font-size: 22px; font-weight: 730; color: #f0c9a8;
      font-variant-numeric: tabular-nums;
    }
    .metric span { display: block; font-size: 13px; color: #b7bfb9; margin-top: 4px; }

    main { display: block; }
    .section {
      padding: 84px 0;
      position: relative;
    }
    .section + .section { border-top: 1px solid transparent; }
    .section-h {
      margin-bottom: 18px; font-size: clamp(24px, 3vw, 34px);
    }
    .section-lead {
      color: var(--muted); margin-bottom: 36px; max-width: 720px; font-size: 16px; line-height: 1.85;
    }
    .sec-alt { background: rgba(255, 253, 248, 0.72); }
    .sec-paper { background: transparent; }

    .pain-layout {
      display: grid; grid-template-columns: minmax(240px, 340px) 1fr;
      gap: 48px; align-items: start;
    }
    .pain-aside { position: sticky; top: 92px; }
    .pain-item {
      padding: 22px 0 24px; border-top: 1px solid var(--line);
      display: grid; grid-template-columns: 64px 1fr; gap: 16px;
    }
    .pain-item:last-child { border-bottom: 1px solid var(--line); }
    .pain-no {
      font-size: 13px; font-weight: 700; color: var(--amber);
      letter-spacing: 0.12em; padding-top: 6px;
    }
    .pain-item h3 { font-size: 20px; margin-bottom: 8px; }
    .pain-item p { margin: 0; color: var(--muted); max-width: 720px; }

    .split {
      display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
    }
    .split.reverse { grid-template-columns: 0.95fr 1.05fr; }
    .frame {
      position: relative; border-radius: var(--radius-img); overflow: hidden;
      box-shadow: var(--shadow); background: #d9d3c7;
      min-height: 320px;
    }
    .frame img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
    .frame::after {
      content: ""; position: absolute; inset: 10px; border: 1px solid rgba(243, 240, 232, 0.28); pointer-events: none;
    }
    .spec-list { display: grid; gap: 10px; margin: 22px 0 26px; }
    .spec-list li {
      display: grid; grid-template-columns: 108px 1fr; gap: 10px;
      padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 15px;
    }
    .spec-list b { color: var(--muted); font-weight: 600; }

    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
      position: relative; margin-top: 12px;
    }
    .timeline::before {
      content: ""; position: absolute; left: 6%; right: 6%; top: 28px;
      height: 2px; background: var(--line);
    }
    .step { position: relative; padding: 0 12px 8px; }
    .step-no {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--ink); color: #F3F0E8;
      display: grid; place-items: center; font-weight: 730;
      margin-bottom: 16px; position: relative; z-index: 1;
      border: 3px solid var(--paper);
    }
    .step h3 { font-size: 17px; margin-bottom: 8px; }
    .step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }

    .cap-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .card {
      background: var(--card); border: 1px solid var(--line);
      border-radius: var(--radius-card); box-shadow: var(--shadow);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover {
      transform: translateY(-3px); box-shadow: var(--shadow-hover);
      border-color: var(--moss);
    }
    .cap-card { padding: 22px 22px 24px; min-height: 210px; }
    .cap-card .no {
      display: inline-block; font-size: 12px; letter-spacing: 0.14em;
      color: var(--amber); font-weight: 700; margin-bottom: 10px;
    }
    .cap-card h3 { font-size: 18px; margin-bottom: 10px; }
    .cap-card p { margin: 0; color: var(--muted); font-size: 15px; }

    .model-grid {
      display: grid; grid-template-columns: 1.45fr 1fr 1fr; gap: 18px; align-items: stretch;
    }
    .model-card { overflow: hidden; display: flex; flex-direction: column; background: var(--card); }
    .model-card .pic { position: relative; height: 210px; overflow: hidden; background: #cfc8ba; }
    .model-card.featured .pic { height: 280px; }
    .model-card .pic img { width: 100%; height: 100%; object-fit: cover; }
    .model-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .model-body h3 { font-size: 18px; }
    .params { display: grid; gap: 6px; margin: 6px 0 10px; }
    .params div {
      display: flex; justify-content: space-between; gap: 12px;
      font-size: 14px; border-bottom: 1px dotted var(--line); padding: 4px 0;
    }
    .params dt { color: var(--muted); }
    .params dd { font-weight: 650; }

    .case-band {
      background: var(--deep); color: #E8E4DA; padding: 88px 0 80px; position: relative;
    }
    .case-band::before {
      content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
      background: repeating-linear-gradient(90deg, var(--amber) 0 12px, #0E1210 12px 24px);
    }
    .case-band::after {
      content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.16;
      background-image:
        linear-gradient(rgba(243, 240, 232, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(243, 240, 232, 0.12) 1px, transparent 1px);
      background-size: 42px 42px;
    }
    .case-grid {
      position: relative; z-index: 1;
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center;
    }
    .case-num .big {
      font-size: clamp(64px, 9vw, 108px); line-height: 0.9; font-weight: 760;
      color: var(--amber); font-variant-numeric: tabular-nums;
    }
    .case-num p { color: #b7beb8; max-width: 420px; margin-top: 18px; }
    .case-list { display: grid; gap: 18px; }
    .case-list article {
      padding: 16px 0 18px; border-top: 1px solid rgba(217, 211, 199, 0.18);
    }
    .case-list h3 { color: #F3F0E8; font-size: 18px; margin-bottom: 6px; }
    .case-list p { margin: 0; color: #b9c0ba; font-size: 15px; }
    .case-band .section-h { color: #F3F0E8; }

    .compare {
      display: grid; grid-template-columns: 180px 1fr 1fr;
      border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--card);
    }
    .compare div { padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 15px; }
    .compare .hd { background: var(--ink); color: #F3F0E8; font-weight: 700; border-bottom-color: #2a332e; }
    .compare .hd.amber { background: #2a211b; color: #f0c9a8; }
    .compare .lab { font-weight: 650; background: #f7f3ea; }
    .compare .row:nth-child(even) .cell { background: #fbfaf5; }

    .story-block {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: center;
      margin-bottom: 48px;
    }
    .story-block.alt { grid-template-columns: 1.1fr 0.9fr; }
    .story-block:last-child { margin-bottom: 0; }
    .story-text h3 { font-size: 22px; margin: 8px 0 12px; }
    .story-text p { color: var(--muted); }

    .quote-rail {
      display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
      padding-bottom: 8px; -webkit-overflow-scrolling: touch;
    }
    .quote {
      flex: 0 0 min(78%, 340px); scroll-snap-align: start;
      background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-card);
      padding: 22px; box-shadow: var(--shadow); min-height: 210px;
    }
    .quote p { margin: 0 0 18px; color: var(--ink); font-size: 15px; }
    .quote footer { font-size: 13px; color: var(--muted); font-weight: 650; }
    .quote footer b { display: block; color: var(--ink); font-size: 14px; }

    .scene-wrap { display: grid; gap: 22px; }
    .scene {
      padding: 22px 0; border-top: 1px solid var(--line);
    }
    .scene:last-child { border-bottom: 1px solid var(--line); }
    .scene-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
    .scene h3 { font-size: 20px; margin-bottom: 8px; }
    .scene p { margin: 0; color: var(--muted); max-width: 760px; }

    .news-list { display: grid; gap: 14px; }
    .news-item {
      display: grid; grid-template-columns: 180px 1fr auto; gap: 18px; align-items: center;
      background: var(--card); border: 1px solid var(--line); border-radius: 8px;
      overflow: hidden; min-height: 112px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .news-item:hover { transform: translateY(-2px); border-color: var(--moss); }
    .news-item img { width: 180px; height: 112px; object-fit: cover; }
    .news-item h3 { font-size: 17px; margin-bottom: 6px; }
    .news-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .news-more {
      padding-right: 18px; font-size: 13px; font-weight: 700; color: var(--moss-deep); white-space: nowrap;
    }

    .stat-bar {
      background: #1a221e; color: #F3F0E8; padding: 42px 0;
    }
    .stat-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
    }
    .stat {
      padding: 8px 12px; border-left: 2px solid var(--amber);
    }
    .stat b {
      display: block; font-size: 36px; font-weight: 760; color: #f0c9a8;
      font-variant-numeric: tabular-nums; line-height: 1.1;
    }
    .stat span { color: #b7bfb9; font-size: 14px; }

    .faq-list { display: grid; gap: 10px; max-width: 860px; }
    .faq-item {
      background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
    }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0;
      padding: 16px 18px; min-height: 56px; font-weight: 700; color: var(--ink);
      display: flex; justify-content: space-between; gap: 16px; align-items: center;
    }
    .faq-item button span.ico {
      width: 22px; height: 22px; flex-shrink: 0; position: relative;
    }
    .faq-item button span.ico::before,
    .faq-item button span.ico::after {
      content: ""; position: absolute; background: var(--moss); left: 4px; top: 10px;
      width: 14px; height: 2px;
    }
    .faq-item button span.ico::after { transform: rotate(90deg); transition: transform .2s ease, opacity .2s ease; }
    .faq-item.is-open button span.ico::after { transform: rotate(0deg); opacity: 0; }
    .faq-panel {
      display: none; padding: 0 18px 16px; color: var(--muted); font-size: 15px;
    }
    .faq-item.is-open .faq-panel { display: block; }
    .faq-item.is-open { border-color: var(--moss); }

    .cta-band {
      background: var(--deep); color: #EDE9DF; padding: 84px 0 88px; position: relative;
    }
    .cta-band::before {
      content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
      background: repeating-linear-gradient(90deg, var(--amber) 0 12px, #0E1210 12px 24px);
    }
    .cta-grid {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start;
    }
    .cta-band h2 { color: #F6F2E9; }
    .cta-band .section-lead { color: #b7beb8; }
    .cta-contacts { display: grid; gap: 8px; margin: 18px 0 0; color: #d5d8d2; }
    .cta-contacts a { color: #f0c9a8; font-weight: 700; }
    .form {
      background: #161c19; border: 1px solid #2a332e; border-radius: 9px; padding: 22px;
    }
    .form-row { margin-bottom: 14px; }
    .form label { display: block; font-size: 13px; font-weight: 650; margin-bottom: 6px; color: #d7ddd8; }
    .form input, .form select, .form textarea {
      width: 100%; min-height: 44px; border-radius: 5px;
      border: 1px solid #3a4440; background: #0f1412; color: #F3F0E8;
      padding: 8px 12px;
    }
    .form textarea { min-height: 96px; resize: vertical; }
    .form input:focus, .form select:focus, .form textarea:focus {
      outline: 2px solid var(--moss); outline-offset: 1px; border-color: var(--moss);
    }
    .form-err { color: #e07a6c; font-size: 13px; min-height: 18px; margin-top: 4px; }
    .form-ok {
      display: none; margin-top: 12px; padding: 12px 14px;
      background: rgba(61, 122, 90, 0.18); border: 1px solid var(--moss);
      color: #d8eadc; border-radius: 5px; font-size: 14px;
    }
    .form-ok.is-show { display: block; }

    .site-footer {
      background: #101614; color: #c5ccc6; padding: 48px 0 28px;
      border-top: 1px solid #242c28; font-size: 14px;
    }
    .foot-grid {
      display: grid; grid-template-columns: 1.3fr 1fr 1.1fr; gap: 32px;
      padding-bottom: 28px; border-bottom: 1px solid #242c28;
    }
    .site-footer h3 { color: #F3F0E8; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #c5ccc6; display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: #fff; }
    .foot-brand .logo { color: #F3F0E8; margin-bottom: 12px; }
    .copy { padding-top: 18px; color: #8b938d; font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }

    .dock {
      display: none;
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
      background: #141A17; border-top: 1px solid #2a332e;
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
      gap: 8px;
    }
    .dock .btn { flex: 1; }

    @media (max-width: 1280px) {
      .container { width: min(100% - 36px, 1120px); }
      .model-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    }
    @media (max-width: 1024px) {
      .toolbar { padding: 8px 16px; }
      .nav-bar { padding: 0 16px; }
      .nav-toggle { display: flex; }
      .nav-panel {
        position: fixed; inset: 0; background: #FFFDF8;
        margin: 0; flex-direction: column; align-items: stretch; justify-content: flex-start;
        padding: 78px 20px 32px; transform: translateX(100%);
        transition: transform .28s ease; overflow-y: auto; gap: 18px;
      }
      .site-header.is-open .nav-panel { transform: none; }
      .site-header.is-open .toolbar {
        position: fixed; left: 0; right: 0; top: 0; z-index: 52;
        flex-direction: column; align-items: flex-start; gap: 6px;
      }
      .nav-list { flex-direction: column; align-items: stretch; margin: 0; }
      .nav-list a { font-size: 18px; padding: 12px 4px; border-bottom: 1px solid var(--line); }
      .nav-list a.is-active::after { display: none; }
      .nav-cta { width: 100%; }
      .nav-cta .btn { width: 100%; }
      .metrics-inner, .stat-grid { grid-template-columns: repeat(3, 1fr); }
      .metric:nth-child(4), .metric:nth-child(5) { border-top: 1px solid #2a332e; }
      .pain-layout, .split, .split.reverse, .case-grid, .cta-grid, .story-block, .story-block.alt {
        grid-template-columns: 1fr; gap: 24px;
      }
      .pain-aside { position: static; }
      .cap-grid { grid-template-columns: 1fr 1fr; }
      .model-grid { grid-template-columns: 1fr; }
      .model-card.featured .pic, .model-card .pic { height: 220px; }
      .timeline { grid-template-columns: 1fr; }
      .timeline::before { left: 27px; right: auto; top: 12px; bottom: 12px; width: 2px; height: auto; }
      .step { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 8px 0; }
      .compare { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 140px 1fr; }
      .news-more { display: none; }
      .carousel-nav { display: none; }
      .dock { display: flex; }
      body { padding-bottom: 64px; }
      body.nav-lock { overflow: hidden; padding-bottom: 0; }
      body.nav-lock .dock { display: none; }
    }
    @media (max-width: 768px) {
      body { font-size: 16px; }
      .section { padding: 64px 0; }
      .metrics { margin-top: 0; }
      .metrics-inner, .stat-grid { grid-template-columns: 1fr 1fr; }
      .carousel, .slides { min-height: 78vh; }
      .slide-copy { padding: 36px 0 48px; }
      .cap-grid { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 1fr; }
      .news-item img { width: 100%; height: 160px; }
      .foot-grid { grid-template-columns: 1fr; gap: 22px; }
      .hero-actions .btn { width: 100%; }
      .quote { flex-basis: 86%; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, 1240px); }
      .toolbar-links { gap: 10px; }
      .stat b { font-size: 28px; }
      .metric b { font-size: 18px; }
      .form { padding: 16px; }
      .logo-text { font-size: 16px; }
    }
    @media (max-width: 375px) {
      .nav-bar { min-height: 64px; }
      .slide-lead { font-size: 15px; }
      .btn { padding: 0 14px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important; transition: none !important;
      }
    }