/* roulang page: index */
:root {
      --c-primary: #2E6AA6;
      --c-primary-ink: #1E4E7C;
      --c-primary-soft: #E7F0F8;
      --c-accent: #E07A2F;
      --c-accent-ink: #C26522;
      --c-steel: #5C6B7A;
      --c-ok: #2F8F6B;
      --c-danger: #C4453C;
      --bg-page: #F5F8FC;
      --bg-card: #FFFFFF;
      --bg-mute: #EEF3F9;
      --bg-dark: #243142;
      --text: #1C2B3A;
      --text-mute: #5C6B7A;
      --line: #D7E1EC;
      --line-card: #E6EEF6;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-badge: 4px;
      --shadow: 0 8px 24px rgba(30, 78, 124, .08);
      --shadow-hover: 0 14px 30px rgba(30, 78, 124, .14);
      --container: 1200px;
      --topbar-h: 42px;
      --nav-h: 66px;
      --dock-h: 60px;
      --space: 96px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg-page);
      padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom));
    }
    img { max-width: 100%; display: block; height: auto; border: 0; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
    a:hover { color: var(--c-primary-ink); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; color: var(--c-primary-ink); font-weight: 700; letter-spacing: 0; line-height: 1.28; }
    h1 { font-size: 36px; }
    h2 { font-size: 26px; }
    h3 { font-size: 19px; }
    p { margin: 0 0 1em; color: var(--text); }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: #fff; color: var(--c-primary-ink);
      padding: 8px 12px; z-index: 1000; border-radius: 6px;
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
    .site-header { position: relative; z-index: 80; }
    .topbar {
      height: var(--topbar-h);
      background: #F8FBFE;
      border-bottom: 1px solid var(--line);
      color: var(--c-steel);
      font-size: 13px;
    }
    .topbar-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
    .topbar a.tel { color: var(--c-primary-ink); font-weight: 600; }
    .topbar a.tel:hover { color: var(--c-accent); }
    .dot-split { opacity: .45; }
    .badge {
      display: inline-flex; align-items: center; gap: 4px;
      height: 24px; padding: 0 8px; border-radius: var(--radius-badge);
      background: var(--c-primary-soft); color: var(--c-primary-ink);
      font-size: 12px; font-weight: 600; border: 1px solid #D3E3F2;
    }
    .badge-ok { background: #E7F6EF; color: #1F6F52; border-color: #CDE8DA; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-btn);
      border: 1px solid transparent; font-weight: 600; line-height: 1; text-align: center;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    .btn:active { transform: translateY(1px); }
    .btn-accent {
      background: var(--c-accent); color: #fff; box-shadow: 0 6px 16px rgba(224, 122, 47, .22);
    }
    .btn-accent:hover { background: var(--c-accent-ink); color: #fff; }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-ink); color: #fff; }
    .btn-ghost {
      background: #fff; color: var(--c-primary-ink); border-color: var(--c-primary);
    }
    .btn-ghost:hover { background: var(--c-primary-soft); color: var(--c-primary-ink); }
    .btn-sm { min-height: 36px; padding: 0 12px; font-size: 13px; }
    .btn-block { width: 100%; }
    .nav-row {
      position: sticky; top: 0; z-index: 90;
      height: var(--nav-h); background: rgba(245, 248, 252, .92);
      backdrop-filter: blur(10px); border-bottom: 1px solid transparent;
    }
    .nav-row.is-stuck {
      background: #fff; border-bottom-color: var(--line); box-shadow: 0 8px 20px rgba(30, 78, 124, .06);
    }
    .nav-inner { height: 100%; display: flex; align-items: center; gap: 20px; }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--c-primary-ink); flex-shrink: 0; }
    .logo:hover { color: var(--c-primary); }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: linear-gradient(180deg, #3A7BB8, #1E4E7C);
      display: grid; place-items: center; box-shadow: inset 0 0 0 1px rgba(255,255,255,.15);
    }
    .logo-text { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
    .logo-text small { display: block; font-size: 11px; font-weight: 500; color: var(--c-steel); letter-spacing: 0; }
    .menu {
      display: flex; align-items: center; justify-content: center;
      gap: 4px; list-style: none; flex: 1; margin: 0;
    }
    .menu a {
      position: relative; display: inline-flex; align-items: center; min-height: 44px;
      padding: 0 10px; color: var(--text); font-size: 14.5px; font-weight: 500;
    }
    .menu a:hover { color: var(--c-primary); }
    .menu a.is-active { color: var(--c-primary-ink); }
    .menu a.is-active::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 8px;
      height: 2px; background: var(--c-primary); border-radius: 2px;
    }
    .nav-cta { margin-left: auto; display: flex; align-items: center; gap: 8px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line);
      background: #fff; border-radius: 8px; padding: 0; position: relative;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--c-primary-ink); border-radius: 1px;
      position: absolute; left: 12px;
    }
    .menu-toggle span { top: 21px; }
    .menu-toggle span::before { content: ""; top: -6px; }
    .menu-toggle span::after { content: ""; top: 6px; }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(28, 43, 58, .36); z-index: 95;
      opacity: 0; visibility: hidden; transition: .2s ease;
    }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(86vw, 360px);
      background: #fff; z-index: 96; transform: translateX(100%);
      transition: transform .24s ease; box-shadow: -12px 0 32px rgba(30, 78, 124, .12);
      display: flex; flex-direction: column; padding: 18px 18px 24px;
    }
    body.menu-open { overflow: hidden; }
    body.menu-open .drawer-mask { opacity: 1; visibility: visible; }
    body.menu-open .drawer { transform: none; }
    .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
    .drawer-close {
      width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-size: 22px; color: var(--c-primary-ink);
    }
    .drawer-menu { list-style: none; display: flex; flex-direction: column; gap: 4px; }
    .drawer-menu a {
      display: flex; align-items: center; min-height: 48px; padding: 0 12px;
      border-radius: 8px; color: var(--text); font-weight: 600;
    }
    .drawer-menu a:hover, .drawer-menu a.is-active { background: var(--c-primary-soft); color: var(--c-primary-ink); }
    .drawer-extra { margin-top: auto; display: grid; gap: 10px; font-size: 14px; color: var(--c-steel); }
    main section { scroll-margin-top: calc(var(--nav-h) + 12px); scroll-margin-bottom: 80px; }
    .section { padding: var(--space) 0; }
    .section-head { margin-bottom: 28px; max-width: 760px; }
    .section-head.wide { max-width: none; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px; color: var(--c-primary);
      font-size: 13px; font-weight: 600; margin-bottom: 8px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--c-accent); }
    .lead { color: var(--text-mute); font-size: 15px; }
    .h2-mark { position: relative; display: inline-block; }
    .h2-mark::after {
      content: ""; display: block; width: 48px; height: 3px; margin-top: 10px;
      background: linear-gradient(90deg, var(--c-primary), transparent);
    }
    .hero { padding: 18px 0 8px; }
    .slider {
      position: relative; overflow: hidden; border-radius: 14px;
      background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line-card);
      min-height: 468px;
    }
    .slides { display: flex; width: 100%; transition: transform .45s ease; }
    .slide {
      min-width: 100%; display: grid; grid-template-columns: 1.05fr 1.2fr; min-height: 468px;
    }
    .slide-copy {
      padding: 42px 40px 36px; background: linear-gradient(180deg, #F8FBFE, #FFFFFF);
      display: flex; flex-direction: column; justify-content: center; position: relative;
    }
    .slide-copy::after {
      content: ""; position: absolute; left: 0; right: 40px; bottom: 18px; height: 8px;
      background-image: repeating-linear-gradient(90deg, #C5D5E6 0 1px, transparent 1px 8px);
      opacity: .5;
    }
    .brand-tag { font-size: 13px; font-weight: 700; color: var(--c-primary); letter-spacing: .08em; margin-bottom: 10px; }
    .slide-copy h1, .slide-copy h2 { font-size: 34px; margin-bottom: 12px; }
    .slide-copy .sub { font-size: 16px; color: var(--c-primary-ink); font-weight: 600; margin-bottom: 12px; }
    .slide-copy .intro { font-size: 15px; color: var(--text-mute); max-width: 46ch; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
    .param-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .chip {
      font-size: 12px; color: var(--c-primary-ink); background: #fff;
      border: 1px solid var(--line); border-radius: var(--radius-badge); padding: 4px 8px;
      font-variant-numeric: tabular-nums;
    }
    .slide-visual { position: relative; overflow: hidden; min-height: 468px; background: #D9E4EF; }
    .slide-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .slider-nav {
      position: absolute; right: 18px; bottom: 18px; display: flex; align-items: center; gap: 8px; z-index: 3;
    }
    .slider-btn {
      width: 44px; height: 44px; border: 0; border-radius: 8px; background: rgba(255,255,255,.92);
      color: var(--c-primary-ink); font-size: 18px; box-shadow: var(--shadow);
    }
    .slider-btn:hover { background: #fff; }
    .dots { display: flex; gap: 6px; margin-right: 6px; }
    .dot {
      width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,255,255,.55); padding: 0;
    }
    .dot.is-on { background: var(--c-accent); transform: scale(1.15); }
    .trust {
      padding: 22px 0 8px;
    }
    .trust-track {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
      background: #fff; border: 1px solid var(--line-card); border-radius: 12px;
      box-shadow: var(--shadow); padding: 18px;
    }
    .trust-item { min-width: 0; padding: 6px 8px; border-left: 1px solid var(--line); }
    .trust-item:first-child { border-left: 0; }
    .trust-item strong {
      display: block; font-size: 18px; color: var(--c-primary); font-variant-numeric: tabular-nums; line-height: 1.3;
    }
    .trust-item span { font-size: 12px; color: var(--c-steel); }
    .offers { padding-top: 72px; }
    .offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
    .card {
      background: var(--bg-card); border: 1px solid var(--line-card); border-radius: var(--radius-card);
      box-shadow: var(--shadow); overflow: hidden;
    }
    .offer-card { padding: 26px; transition: transform .2s ease, box-shadow .2s ease; }
    .offer-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
    .offer-card .thumb { width: 100%; aspect-ratio: 16/7; object-fit: cover; border-radius: 8px; margin-bottom: 16px; }
    .icon-box {
      width: 44px; height: 44px; border-radius: 8px; display: grid; place-items: center;
      background: var(--c-primary-soft); color: var(--c-primary-ink); margin-bottom: 12px;
    }
    .offer-card h3 { margin-bottom: 10px; }
    .offer-card p, .mini-list { font-size: 14px; color: var(--text-mute); }
    .mini-list { list-style: none; display: grid; gap: 8px; margin: 12px 0 16px; }
    .mini-list li { padding-left: 16px; position: relative; }
    .mini-list li::before { content: ""; width: 7px; height: 7px; border-radius: 1px; background: var(--c-accent); position: absolute; left: 0; top: 8px; }
    .text-link { font-weight: 600; font-size: 14px; color: var(--c-primary); }
    .text-link:hover { color: var(--c-accent); }
    .brand-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
    .brand-visual { position: relative; border-radius: 12px; overflow: hidden; min-height: 420px; box-shadow: var(--shadow); }
    .brand-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .float-spec {
      position: absolute; left: 16px; bottom: 16px; right: 16px;
      background: rgba(255,255,255,.94); border-radius: 10px; padding: 14px 16px;
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; border: 1px solid var(--line-card);
    }
    .float-spec b { display: block; color: var(--c-primary); font-size: 15px; font-variant-numeric: tabular-nums; }
    .float-spec span { font-size: 12px; color: var(--c-steel); }
    .check-list { list-style: none; display: grid; gap: 10px; margin: 16px 0 20px; }
    .check-list li { padding-left: 26px; position: relative; color: var(--text); font-size: 15px; }
    .check-list li::before {
      content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 3px;
      background: var(--c-ok); box-shadow: inset 0 0 0 6px #fff, inset 0 0 0 7px var(--c-ok);
    }
    .scenes-grid { display: grid; grid-template-columns: 1.3fr 1fr; grid-template-rows: auto auto; gap: 18px; }
    .scene-card { position: relative; overflow: hidden; min-height: 230px; }
    .scene-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }
    .scene-card.tall { grid-row: span 2; min-height: 478px; }
    .scene-card.tall img { height: 100%; aspect-ratio: auto; position: absolute; inset: 0; }
    .scene-body {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 20px 18px 16px;
      background: linear-gradient(180deg, transparent, rgba(28,43,58,.82));
      color: #fff;
    }
    .scene-body h3 { color: #fff; margin-bottom: 6px; }
    .scene-body p { color: rgba(255,255,255,.86); font-size: 14px; }
    .scene-body a { color: #FFD2A8; font-weight: 600; font-size: 14px; }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card { padding: 24px; transition: transform .2s ease, box-shadow .2s ease; }
    .adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
    .adv-card p { font-size: 14.5px; color: var(--text-mute); }
    .line-icon { width: 36px; height: 36px; stroke: var(--c-primary); fill: none; stroke-width: 1.7; margin-bottom: 12px; }
    .models { background: var(--bg-mute); }
    .model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .model-card { display: flex; flex-direction: column; }
    .model-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
    .model-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
    .spec { display: grid; gap: 8px; margin: 0; }
    .spec div { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; border-bottom: 1px dashed var(--line); padding-bottom: 6px; }
    .spec dt { color: var(--c-steel); }
    .spec dd { margin: 0; font-weight: 600; color: var(--c-primary-ink); font-variant-numeric: tabular-nums; }
    .model-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; }
    .cases {
      position: relative; background: var(--bg-dark); color: #E7EEF6; overflow: hidden;
    }
    .cases::before {
      content: ""; position: absolute; inset: 0; opacity: .18;
      background: url("/assets/images/a7a328ee21bc7c15.jpg") center/cover no-repeat;
    }
    .cases .container { position: relative; z-index: 1; }
    .cases h2, .cases h3 { color: #F4F8FC; }
    .cases .lead { color: #C5D0DC; }
    .case-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
    .case-list { display: grid; gap: 0; }
    .case-item {
      padding: 18px 0; border-top: 1px solid rgba(215, 225, 236, .18);
      display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px;
    }
    .case-item strong { color: #fff; }
    .case-item span { color: #B7C4D1; font-size: 14px; }
    .stories-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 20px; }
    .story-main { padding: 0; display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; }
    .story-main img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
    .story-copy { padding: 28px; }
    .story-side { display: grid; gap: 16px; }
    .story-mini { padding: 22px; }
    .avatar {
      width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center;
      background: var(--c-primary-soft); color: var(--c-primary-ink); font-weight: 700; margin-bottom: 10px;
    }
    .meta { font-size: 13px; color: var(--c-steel); margin-bottom: 8px; }
    .stats { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; text-align: left; }
    .stat-item { padding: 12px 8px 12px 0; }
    .stat-item b {
      display: block; font-size: 40px; line-height: 1.1; color: var(--c-primary);
      font-variant-numeric: tabular-nums; font-weight: 700;
    }
    .stat-item b em { font-style: normal; font-size: 16px; margin-left: 4px; color: var(--c-primary-ink); }
    .stat-item span { color: var(--c-steel); font-size: 14px; }
    .compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 0; overflow: hidden; }
    .compare-col { padding: 28px; }
    .compare-col.old { background: #F7F9FB; }
    .compare-col.new { background: #F3F8FD; border-left: 1px solid var(--line-card); }
    .compare-col h3 { margin-bottom: 16px; }
    .cmp { list-style: none; display: grid; gap: 12px; }
    .cmp li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 14.5px; color: var(--text); }
    .mark-no, .mark-ok {
      width: 18px; height: 18px; border-radius: 4px; display: grid; place-items: center;
      color: #fff; font-size: 12px; margin-top: 3px;
    }
    .mark-no { background: #B7C0C8; }
    .mark-ok { background: var(--c-ok); }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .review { padding: 26px; }
    .review blockquote { margin: 0; font-size: 15px; color: var(--text); }
    .review footer { margin-top: 16px; font-size: 13px; color: var(--c-steel); }
    .quote { color: var(--c-primary); font-size: 28px; line-height: 1; margin-bottom: 8px; }
    .news-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 18px; }
    .news-card { display: flex; flex-direction: column; }
    .news-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-card .pad { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .date { font-size: 12px; color: var(--c-steel); font-variant-numeric: tabular-nums; }
    .news-card p { font-size: 14px; color: var(--text-mute); }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border: 1px solid var(--line-card); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: #fff; border: 0; min-height: 56px;
      padding: 14px 52px 14px 20px; font-weight: 650; color: var(--c-primary-ink); position: relative;
    }
    .faq-item button::after {
      content: "";
      position: absolute;
      right: 20px;
      top: 50%;
      width: 10px;
      height: 10px;
      border-right: 2px solid var(--c-primary);
      border-bottom: 2px solid var(--c-primary);
      transform: translateY(-70%) rotate(45deg);
      transition: transform .2s ease;
    }
    .faq-item button[aria-expanded="true"]::after {
      transform: translateY(-20%) rotate(-135deg);
    }
    .faq-item button:hover { background: #F8FBFE; }
    .faq-panel {
      display: none;
      padding: 0 20px 18px;
      color: var(--text-mute);
      font-size: 15px;
    }
    .faq-item.is-open .faq-panel { display: block; }
    .faq-panel p { margin-bottom: 10px; }
    .faq-panel ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
    .guarantee { background: var(--c-primary-soft); }
    .g-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .g-item {
      background: #fff;
      border: 1px solid #D3E3F2;
      border-radius: 12px;
      padding: 22px 20px;
    }
    .g-item h3 { margin-bottom: 8px; font-size: 18px; }
    .g-item p { font-size: 14px; color: var(--text-mute); }
    .inquiry { padding-bottom: 80px; }
    .inquiry-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: start; }
    .point-list { list-style: none; display: grid; gap: 14px; margin-top: 18px; }
    .point-list li {
      background: #fff;
      border: 1px solid var(--line-card);
      border-radius: 10px;
      padding: 14px 16px;
      box-shadow: var(--shadow);
    }
    .point-list strong { display: block; color: var(--c-primary-ink); margin-bottom: 4px; }
    .form-card { padding: 28px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 600; color: var(--c-primary-ink); }
    input, select, textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      color: var(--text);
      min-height: 44px;
      padding: 10px 12px;
    }
    textarea { min-height: 110px; resize: vertical; }
    input:hover, select:hover, textarea:hover { border-color: #B7CBDC; }
    input:focus, select:focus, textarea:focus { border-color: var(--c-primary); }
    .err { color: var(--c-danger); font-size: 12px; }
    .form-note { margin-top: 10px; font-size: 13px; color: var(--c-steel); }
    .ok-box {
      background: #E7F6EF;
      color: #1F6F52;
      border: 1px solid #CDE8DA;
      border-radius: 8px;
      padding: 12px 14px;
      margin-bottom: 14px;
      font-size: 14px;
    }
    .site-footer {
      background: #1C2B3A;
      color: #C5D0DC;
      padding: 56px 0 28px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr .9fr; gap: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #C5D0DC; }
    .site-footer a:hover { color: #fff; }
    .foot-logo { color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
    .foot-map { list-style: none; display: grid; gap: 8px; }
    .foot-contact p { margin: 0 0 8px; font-size: 14px; }
    .icp { font-size: 13px; }
    .copy {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(215,225,236,.16);
      font-size: 13px;
      color: #9AABBA;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .dock {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 70;
      height: var(--dock-h);
      background: #fff;
      border-top: 1px solid var(--line);
      box-shadow: 0 -8px 24px rgba(30, 78, 124, .08);
      padding-bottom: env(safe-area-inset-bottom);
    }
    .dock.hidden { transform: translateY(110%); }
    .dock-inner {
      height: var(--dock-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .dock-copy { font-size: 14px; color: var(--c-primary-ink); font-weight: 600; }
    .dock-copy span { color: var(--c-steel); font-weight: 500; margin-left: 8px; }
    .dock-actions { display: flex; gap: 10px; align-items: center; }
    .dock-mobile { display: none; }
    .svg-ico { width: 22px; height: 22px; display: block; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }
    @media (max-width: 1280px) {
      h1 { font-size: 32px; }
      .slide-copy h1, .slide-copy h2 { font-size: 30px; }
    }
    @media (max-width: 1024px) {
      :root { --space: 72px; }
      .menu { display: none; }
      .nav-cta .btn { display: none; }
      .menu-toggle { display: inline-flex; margin-left: auto; }
      .slide { grid-template-columns: 1fr; min-height: 0; }
      .slide-copy, .slide-visual { min-height: 0; }
      .slide-visual { height: 280px; }
      .slider { min-height: 0; }
      .brand-split, .case-split, .stories-grid, .inquiry-grid, .news-grid { grid-template-columns: 1fr; }
      .story-main { grid-template-columns: 1fr; }
      .trust-track { grid-template-columns: repeat(3, 1fr); }
      .trust-item { border-left: 0; border-top: 1px solid var(--line); }
      .trust-item:nth-child(-n+3) { border-top: 0; }
      .adv-grid, .model-grid, .review-grid, .g-grid { grid-template-columns: repeat(2, 1fr); }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .stat-item b { font-size: 32px; }
    }
    @media (max-width: 768px) {
      :root { --space: 56px; --nav-h: 60px; }
      .container { width: min(100% - 28px, var(--container)); }
      .topbar { font-size: 12px; height: auto; }
      .topbar-inner { padding: 8px 0; }
      .topbar-left span.hide-sm, .topbar-right .badge { display: none; }
      h1 { font-size: 28px; }
      h2 { font-size: 22px; }
      .slide-copy { padding: 24px 20px 28px; }
      .slide-copy h1, .slide-copy h2 { font-size: 26px; }
      .hero-actions { flex-direction: column; }
      .hero-actions .btn { width: 100%; }
      .offer-grid, .scenes-grid, .compare-wrap, .stat-grid { grid-template-columns: 1fr; }
      .scene-card.tall { grid-row: auto; min-height: 260px; }
      .float-spec { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .model-actions { grid-template-columns: 1fr; }
      .section-head.wide { flex-direction: column; align-items: start; }
      .dock-pc { display: none; }
      .dock-mobile { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .trust-track, .adv-grid, .model-grid, .review-grid, .g-grid, .foot-grid { grid-template-columns: 1fr; }
      .topbar-right .btn { display: none; }
      .brand-visual { min-height: 280px; }
      .stat-item b { font-size: 28px; }
    }

/* roulang page: index */
:root {
      --c-primary: #1F6AA5;
      --c-primary-hover: #155A8C;
      --c-primary-active: #114A73;
      --c-primary-soft: #E7F1F8;
      --c-steel: #5C6770;
      --c-silver: #D5DCE3;
      --c-graphite: #24303A;
      --c-graphite-2: #1A232B;
      --c-amber: #C67A2F;
      --c-bg: #F5F8FB;
      --c-white: #FFFFFF;
      --c-text: #1C2D40;
      --c-muted: #5C6770;
      --c-weak: #7A8690;
      --c-line: #D5DCE3;
      --c-danger: #B42318;
      --c-danger-bg: #FDECEC;
      --c-ok: #1F7A4D;
      --c-ok-bg: #E8F6EE;
      --radius-card: 10px;
      --radius-btn: 6px;
      --radius-input: 6px;
      --shadow-card: 0 10px 28px rgba(28, 45, 64, .08);
      --shadow-hover: 0 14px 32px rgba(28, 45, 64, .12);
      --shadow-nav: 0 6px 18px rgba(28, 45, 64, .06);
      --space-section: 104px;
      --space-section-m: 56px;
      --w: 1220px;
      --header-top: 36px;
      --header-main: 72px;
      --focus: 0 0 0 3px rgba(31, 106, 165, .28);
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      --mono: "DIN Alternate", "Roboto Mono", "Source Code Pro", ui-monospace, monospace;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--c-text);
      background: var(--c-bg);
      min-width: 320px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; }
    a:hover { color: var(--c-primary-hover); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol, p, h1, h2, h3, h4, figure, dl, dt, dd { margin: 0; padding: 0; }
    ul, ol { list-style: none; }
    .skip {
      position: absolute; left: 12px; top: -48px; z-index: 10000;
      background: var(--c-primary); color: #fff; padding: 8px 14px; border-radius: 6px;
    }
    .skip:focus { top: 8px; outline: none; box-shadow: var(--focus); }
    .container { width: min(var(--w), calc(100% - 40px)); margin: 0 auto; }
    :focus-visible { outline: none; box-shadow: var(--focus); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: var(--radius-btn);
      font-weight: 600; letter-spacing: .02em; transition: .2s ease;
      border: 1px solid transparent; white-space: nowrap;
    }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-hover); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { background: var(--c-primary-active); transform: translateY(1px); }
    .btn-ghost {
      background: transparent; color: #fff; border-color: rgba(255,255,255,.72);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; transform: translateY(-1px); }
    .btn-line {
      background: #fff; color: var(--c-steel); border-color: var(--c-silver);
    }
    .btn-line:hover { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-1px); }
    .btn-line:active { transform: translateY(1px); }
    .btn-dark {
      background: #fff; color: var(--c-graphite);
    }
    .btn-dark:hover { background: var(--c-primary-soft); color: var(--c-primary); }
    .badge {
      display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
      border-radius: 4px; font-size: 12px; font-weight: 600; letter-spacing: .04em;
      background: var(--c-primary-soft); color: var(--c-primary); border: 1px solid #c9dcea;
    }
    .badge-amber { background: #F8EEDF; color: var(--c-amber); border-color: #E8D3B3; }
    .site-header { position: relative; z-index: 80; }
    .topbar {
      height: var(--header-top); background: #EAF2F8; color: var(--c-steel);
      font-size: 13px; border-bottom: 1px solid #d7e4ee;
    }
    .topbar .container, .nav-main .container {
      display: flex; align-items: center; justify-content: space-between; height: 100%;
    }
    .topbar-left, .topbar-right, .top-item { display: flex; align-items: center; gap: 16px; }
    .top-item { color: var(--c-steel); }
    .top-item svg { width: 14px; height: 14px; flex: none; }
    .nav-main {
      height: var(--header-main); background: #fff; border-bottom: 1px solid var(--c-silver);
    }
    .nav-main.is-sticky {
      position: sticky; top: 0; z-index: 90; box-shadow: var(--shadow-nav);
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--c-text); font-weight: 700;
      letter-spacing: .04em; font-size: 18px; flex: none;
    }
    .logo-mark {
      width: 34px; height: 34px; border-radius: 6px; background: var(--c-primary);
      color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 800;
    }
    .menu { display: flex; align-items: center; gap: 4px; }
    .menu a {
      position: relative; color: var(--c-text); padding: 10px 12px; font-size: 15px; font-weight: 500;
    }
    .menu a:hover { color: var(--c-primary); }
    .menu a.is-active { color: var(--c-primary); }
    .menu a.is-active::after, .menu a:hover::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
      background: var(--c-primary);
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 6px; border: 1px solid var(--c-silver);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--c-text); display: block; }
    .drawer {
      position: fixed; inset: 0; background: rgba(26,35,43,.46); z-index: 120;
      opacity: 0; pointer-events: none; transition: .2s ease;
    }
    .drawer.open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute; right: 0; top: 0; bottom: 0; width: min(360px, 88vw);
      background: #fff; transform: translateX(100%); transition: .24s ease;
      padding: 24px 22px; overflow: auto; display: flex; flex-direction: column; gap: 18px;
    }
    .drawer.open .drawer-panel { transform: none; }
    .drawer-close { width: 44px; height: 44px; border: 1px solid var(--c-silver); border-radius: 6px; }
    .drawer-menu a {
      display: flex; align-items: center; min-height: 48px; padding: 0 8px;
      border-bottom: 1px solid #eef2f6; color: var(--c-text); font-weight: 600;
    }
    body.lock { overflow: hidden; }
    .hero { position: relative; background: var(--c-graphite); }
    .hero-track { position: relative; min-height: 520px; overflow: hidden; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s ease;
      background: #1a232b center/cover no-repeat;
    }
    .hero-slide.is-on { opacity: 1; visibility: visible; z-index: 1; }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(20,28,36,.78) 0%, rgba(20,28,36,.46) 46%, rgba(20,28,36,.18) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; width: min(var(--w), calc(100% - 40px)); margin: 0 auto;
      min-height: 520px; display: flex; flex-direction: column; justify-content: center; padding: 48px 0 72px;
      color: #fff; max-width: 760px; margin-left: max(20px, calc((100% - var(--w)) / 2));
    }
    .hero-kicker { font-size: 13px; letter-spacing: .18em; color: #d7e8f4; margin-bottom: 12px; }
    .hero h1 { font-size: 46px; line-height: 1.22; font-weight: 700; margin-bottom: 16px; letter-spacing: .01em; }
    .hero-lead { font-size: 16px; line-height: 1.8; color: #e7eef3; max-width: 640px; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
    .hero-contact { display: flex; flex-wrap: wrap; gap: 18px; color: #dce7ee; font-size: 14px; }
    .hero-contact a { color: #fff; font-weight: 600; }
    .hero-nav {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
      width: min(var(--w), calc(100% - 40px)); margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
    }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 28px; height: 6px; border-radius: 3px; background: rgba(255,255,255,.35);
    }
    .dots button.is-on { background: #fff; }
    .arrow-btns { display: flex; gap: 8px; }
    .arrow {
      width: 44px; height: 44px; border-radius: 6px; border: 1px solid rgba(255,255,255,.4);
      color: #fff; background: rgba(0,0,0,.18);
    }
    .arrow:hover { background: rgba(255,255,255,.14); }
    .strip { background: #fff; border-bottom: 1px solid var(--c-line); }
    .strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
    .strip-item {
      padding: 28px 28px 26px; border-right: 1px solid var(--c-line);
      display: grid; grid-template-columns: 52px 1fr; gap: 14px; align-items: start;
    }
    .strip-item:last-child { border-right: 0; }
    .metric { font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--c-primary); letter-spacing: .04em; }
    .strip h3 { font-size: 18px; margin: 2px 0 6px; }
    .strip p { color: var(--c-muted); font-size: 14px; line-height: 1.7; }
    .icon-box {
      width: 44px; height: 44px; border: 1px solid var(--c-silver); border-radius: 8px;
      display: grid; place-items: center; color: var(--c-primary); background: var(--c-primary-soft);
    }
    section { padding: var(--space-section) 0; }
    .sec-head { margin-bottom: 36px; max-width: 760px; }
    .sec-head h2 { font-size: 30px; line-height: 1.3; margin-bottom: 12px; }
    .sec-head p { color: var(--c-muted); }
    .intro { background: var(--c-bg); }
    .intro-grid {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center;
    }
    .intro-pic { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); }
    .intro-pic img { width: 100%; height: 460px; object-fit: cover; }
    .check-list { margin-top: 18px; display: grid; gap: 10px; }
    .check-list li {
      display: grid; grid-template-columns: 18px 1fr; gap: 10px; color: var(--c-text);
    }
    .check-list i {
      width: 18px; height: 18px; border-radius: 50%; background: var(--c-primary);
      color: #fff; font-style: normal; font-size: 12px; display: grid; place-items: center; margin-top: 4px;
    }
    .spec-note {
      margin-top: 22px; padding: 16px 18px; background: #fff; border: 1px solid var(--c-line);
      border-left: 3px solid var(--c-primary); border-radius: 8px; color: var(--c-muted); font-size: 14px;
    }
    .adv { background: #fff; }
    .cards-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .card {
      background: #fff; border: 1px solid #e6edf3; border-radius: var(--radius-card);
      box-shadow: var(--shadow-card); transition: .2s ease;
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(31,106,165,.28); }
    .adv-card { padding: 24px 22px 22px; min-height: 236px; }
    .adv-card h3 { font-size: 20px; margin: 12px 0 10px; }
    .adv-card p { color: var(--c-muted); font-size: 14.5px; line-height: 1.75; }
    .hot { background: var(--c-bg); }
    .prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .prod-card { overflow: hidden; }
    .prod-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .prod-body { padding: 20px 20px 22px; }
    .prod-body h3 { font-size: 20px; margin: 8px 0 12px; }
    .params { display: grid; gap: 8px; margin-bottom: 16px; }
    .params li {
      display: flex; justify-content: space-between; gap: 12px; font-size: 14px;
      border-bottom: 1px dashed #e4ebf1; padding-bottom: 7px; color: var(--c-muted);
    }
    .params b { color: var(--c-text); font-weight: 600; }
    .scene { background: #fff; }
    .scene-board {
      position: relative; border-radius: 12px; overflow: hidden; min-height: 420px;
      background: #24303a center/cover no-repeat; color: #fff;
    }
    .scene-board::before {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(20,28,36,.2), rgba(20,28,36,.78));
    }
    .scene-inner { position: relative; z-index: 1; padding: 36px 36px 28px; }
    .steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 28px; }
    .step {
      background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
      border-radius: 10px; padding: 16px 14px; min-height: 168px;
    }
    .num {
      font-family: var(--mono); font-size: 13px; letter-spacing: .16em; color: #c9def0; margin-bottom: 8px;
    }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { font-size: 13.5px; color: #dbe6ee; line-height: 1.7; }
    .idea { background: var(--c-graphite); color: #e8eef3; padding: 0; }
    .idea-grid { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 560px; }
    .idea-pic { min-height: 420px; background: center/cover no-repeat; }
    .idea-copy { padding: 72px 56px; }
    .idea-copy h2 { color: #fff; font-size: 30px; margin-bottom: 14px; }
    .idea-copy p { color: #c9d4dc; margin-bottom: 18px; }
    .idea-points { display: grid; gap: 14px; }
    .idea-points li {
      padding: 14px 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 8px; background: rgba(255,255,255,.04);
    }
    .idea-points strong { display: block; color: #fff; margin-bottom: 4px; }
    .compare { background: var(--c-bg); }
    .table-wrap {
      overflow: auto; background: #fff; border-radius: var(--radius-card);
      box-shadow: var(--shadow-card); border: 1px solid #e6edf3;
    }
    table { width: 100%; border-collapse: collapse; min-width: 720px; }
    th, td { padding: 16px 18px; text-align: left; border-bottom: 1px solid #edf2f6; font-size: 14.5px; }
    th { background: #f3f8fb; color: var(--c-steel); font-weight: 600; }
    td b { font-family: var(--mono); color: var(--c-primary); }
    .ok { color: var(--c-ok); font-weight: 700; }
    .no { color: #9aa4ad; }
    .stories { background: #fff; }
    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .story { padding: 24px; }
    .story .who { font-size: 13px; color: var(--c-primary); font-weight: 700; margin-bottom: 8px; }
    .story h3 { font-size: 20px; margin-bottom: 10px; }
    .quote { color: var(--c-muted); font-size: 14.5px; }
    .result { margin-top: 14px; font-family: var(--mono); color: var(--c-text); font-size: 14px; }
    .stats { background: var(--c-primary-soft); padding: 48px 0; }
    .stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; text-align: center; }
    .stat-num { font-family: var(--mono); font-size: 34px; font-weight: 700; color: var(--c-primary); letter-spacing: .04em; }
    .stat-label { color: var(--c-steel); font-size: 14px; margin-top: 4px; }
    .reviews { background: #fff; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .review { padding: 24px; }
    .stars { color: var(--c-amber); letter-spacing: 2px; font-size: 13px; margin-bottom: 10px; }
    .review p { color: var(--c-muted); font-size: 14.5px; min-height: 92px; }
    .review-user { margin-top: 16px; display: flex; justify-content: space-between; font-size: 13px; color: var(--c-weak); }
    .select { background: var(--c-bg); }
    .select-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
    .param-wall {
      background: #fff; border: 1px solid #e6edf3; border-radius: var(--radius-card);
      box-shadow: var(--shadow-card); padding: 8px 22px 18px;
    }
    .param-wall dt {
      font-weight: 700; padding-top: 16px; color: var(--c-text);
    }
    .param-wall dd { color: var(--c-muted); font-size: 14.5px; padding-bottom: 12px; border-bottom: 1px solid #eef3f7; }
    .news { background: #fff; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .news-card { overflow: hidden; }
    .news-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-body { padding: 16px 16px 18px; }
    .date { font-size: 12px; color: var(--c-weak); }
    .news-body h3 { font-size: 17px; line-height: 1.45; margin: 8px 0 8px; }
    .news-body p { font-size: 13.5px; color: var(--c-muted); }
    .faq { background: var(--c-bg); }
    .faq-item {
      background: #fff; border: 1px solid #e6edf3; border-radius: 10px; margin-bottom: 12px; overflow: hidden;
    }
    .faq-btn {
      width: 100%; text-align: left; min-height: 60px; padding: 14px 18px;
      display: flex; align-items: center; justify-content: space-between; gap: 16px; font-weight: 700;
    }
    .faq-btn span.sign {
      width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--c-silver);
      display: grid; place-items: center; color: var(--c-primary); flex: none;
    }
    .faq-panel { display: none; padding: 0 18px 18px; color: var(--c-muted); background: #f8fbfe; }
    .faq-item.open .faq-panel { display: block; }
    .faq-item.open { border-color: rgba(31,106,165,.28); }
    .guard { background: #fff; padding: 28px 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
    .guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .guard-item {
      display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: center;
      padding: 8px 4px;
    }
    .guard-item h3 { font-size: 16px; }
    .guard-item p { font-size: 13px; color: var(--c-muted); }
    .consult { background: var(--c-bg); }
    .consult-box {
      display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start;
      background: #fff; border-radius: 12px; box-shadow: var(--shadow-card); padding: 40px;
      border: 1px solid #e6edf3;
    }
    .form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 6px; }
    input, select, textarea {
      width: 100%; border: 1px solid var(--c-silver); border-radius: var(--radius-input);
      min-height: 44px; padding: 8px 12px; background: #fff; color: var(--c-text);
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus { border-color: var(--c-primary); box-shadow: var(--focus); outline: none; }
    .err { color: var(--c-danger); font-size: 12px; min-height: 16px; margin-top: 4px; }
    .field.bad input, .field.bad select, .field.bad textarea { border-color: var(--c-danger); background: var(--c-danger-bg); }
    .privacy { font-size: 12px; color: var(--c-weak); margin: 8px 0 14px; }
    .success {
      display: none; padding: 16px; border-radius: 8px; background: var(--c-ok-bg); color: var(--c-ok); margin-bottom: 12px;
    }
    .success.show { display: block; }
    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
      background: #fff; border-top: 1px solid var(--c-line); box-shadow: 0 -8px 24px rgba(28,45,64,.08);
    }
    .dock .container {
      display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 12px;
    }
    .dock-phone { font-weight: 700; color: var(--c-text); }
    .dock-phone span { display: block; font-size: 12px; color: var(--c-weak); font-weight: 400; }
    .site-footer { background: var(--c-graphite-2); color: #c5d0d8; padding: 64px 0 28px; margin-bottom: 64px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 36px; margin-bottom: 32px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 14px; }
    .site-footer a { color: #c5d0d8; }
    .site-footer a:hover { color: #fff; }
    .foot-links { display: grid; gap: 8px; }
    .foot-bar {
      border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px; font-size: 13px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    @media (max-width: 1280px) {
      .hero h1 { font-size: 40px; }
      .idea-copy { padding: 56px 36px; }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 80px; }
      .menu { display: none; }
      .menu-toggle { display: flex; }
      .intro-grid, .idea-grid, .consult-box, .select-grid { grid-template-columns: 1fr; }
      .cards-6, .prod-grid, .story-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
      .steps { grid-template-columns: 1fr 1fr; }
      .hero-track, .hero-copy { min-height: 480px; }
      .idea-pic { min-height: 320px; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--w), calc(100% - 28px)); }
      .topbar { display: none; }
      .strip-grid, .guard-grid, .foot-grid { grid-template-columns: 1fr; }
      .strip-item { border-right: 0; border-bottom: 1px solid var(--c-line); }
      .hero h1 { font-size: 30px; }
      .hero-lead { font-size: 15px; }
      .sec-head h2, .idea-copy h2 { font-size: 26px; }
      .cards-6, .prod-grid, .story-grid, .review-grid, .news-grid, .select-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .form .row { grid-template-columns: 1fr; }
      .consult-box { padding: 24px 18px; }
      .hero-copy { padding: 36px 0 84px; }
      .nav-cta .btn { display: none; }
      .dock .btn { min-width: 148px; }
    }
    @media (max-width: 520px) {
      :root { --space-section: 52px; }
      .hero h1 { font-size: 28px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .nav-cta .btn { width: auto; }
      .dock { padding: 6px 0 env(safe-area-inset-bottom); }
      .dock .container { flex-wrap: wrap; }
      .steps { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr; text-align: left; }
      .logo { font-size: 16px; }
    }