/* roulang page: index */
:root {
      --primary: #A27B45;
      --primary-deep: #8A6638;
      --secondary: #2B3036;
      --accent: #D85A1F;
      --coolant: #5E7A7D;
      --bg: #F3EFE6;
      --bg-2: #E6E1D6;
      --bg-dark: #171A1D;
      --text: #1A1C1E;
      --body: #3A3F45;
      --muted: #6B7178;
      --line: #C9C1B4;
      --line-dark: #3E444C;
      --paper: #F3EFE6;
      --white: #F7F4EE;
      --radius: 6px;
      --radius-sm: 4px;
      --shadow: 0 8px 20px rgba(23, 26, 29, .08);
      --shadow-hover: 0 10px 22px rgba(23, 26, 29, .12);
      --space: 88px;
      --space-m: 48px;
      --container: 1240px;
      --header-top: 42px;
      --header-main: 78px;
      --sticky-offset: 120px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --num: "Barlow Condensed", "DIN Alternate", "Arial Narrow", 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(--body);
      background: var(--bg);
      overflow-x: hidden;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; display: block; height: auto; }
    a { color: var(--coolant); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
    a:hover { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { color: var(--text); letter-spacing: -.02em; margin: 0 0 .6em; font-weight: 700; }
    h1 { font-size: 44px; line-height: 1.2; }
    h2 { font-size: 30px; line-height: 1.28; }
    h3 { font-size: 21px; line-height: 1.35; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--accent); color: #fff; padding: 8px 12px; z-index: 80;
    }
    .skip:focus { left: 12px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: var(--radius-sm);
      border: 1px solid transparent; font-size: 15px; font-weight: 600;
      letter-spacing: .02em; text-decoration: none; transition: all .2s ease;
    }
    .btn:hover { text-decoration: none; }
    .btn-primary {
      background: var(--primary); color: #fff; border-color: var(--primary);
    }
    .btn-primary:hover {
      background: var(--primary-deep); color: #fff; border-color: var(--primary-deep);
      box-shadow: inset 0 -2px 0 var(--accent); transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent; color: var(--paper); border-color: rgba(243,239,230,.45);
    }
    .btn-ghost:hover { border-color: var(--primary); color: #fff; }
    .btn-line {
      background: transparent; color: var(--secondary); border-color: var(--secondary);
    }
    .btn-line:hover { border-color: var(--primary); color: var(--primary-deep); transform: translateY(-2px); }
    .btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid var(--coolant); color: var(--coolant);
      border-radius: var(--radius-sm); padding: 3px 10px; font-size: 12px; letter-spacing: .04em;
    }
    .tag {
      position: absolute; left: 12px; top: 12px; z-index: 2;
      background: rgba(23,26,29,.86); color: var(--paper);
      font-size: 12px; padding: 4px 9px; border-radius: var(--radius-sm);
    }
    .section { padding: var(--space) 0; position: relative; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head p { color: var(--body); }
    .kicker {
      display: inline-block; color: var(--primary); font-size: 13px; font-weight: 600;
      letter-spacing: .12em; text-transform: none; margin-bottom: 10px;
    }
    .site-header { position: sticky; top: 0; z-index: 50; }
    .topbar {
      height: var(--header-top); background: var(--secondary); color: #c9cfcf;
      font-size: 13px; display: flex; align-items: center;
    }
    .topbar .container {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar a { color: #d7ddd8; text-decoration: none; }
    .topbar a:hover { color: #fff; }
    .top-left, .top-mid, .top-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .mini-badge {
      border: 1px solid #5a6268; color: #d3c4a8; padding: 2px 8px; border-radius: 3px; font-size: 12px;
    }
    .top-cta { color: #fff !important; border-bottom: 1px solid var(--primary); padding-bottom: 1px; }
    .navrow {
      height: var(--header-main); background: rgba(243,239,230,.96);
      border-bottom: 1px solid var(--line); display: flex; align-items: center;
      transition: background .2s ease, box-shadow .2s ease;
    }
    .site-header.is-stuck .navrow {
      background: rgba(43,48,54,.96); box-shadow: var(--shadow);
    }
    .site-header.is-stuck .logo, .site-header.is-stuck .menu a { color: var(--paper); }
    .site-header.is-stuck .menu a.active { color: #e8d3b0; }
    .navrow .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .logo {
      font-weight: 700; font-size: 22px; color: var(--text); text-decoration: none;
      display: flex; align-items: center; gap: 10px; letter-spacing: .04em;
    }
    .logo:hover { text-decoration: none; color: var(--primary); }
    .logo-mark {
      width: 28px; height: 28px; border: 2px solid var(--primary); border-radius: 50%;
      position: relative;
    }
    .logo-mark::after {
      content: ""; position: absolute; inset: 6px; border: 2px solid var(--coolant); border-radius: 50%;
    }
    .menu { display: flex; align-items: center; gap: 4px; }
    .menu a {
      color: var(--text); text-decoration: none; font-size: 15px; font-weight: 500;
      padding: 10px 12px; position: relative; min-height: 44px; display: inline-flex; align-items: center;
    }
    .menu a.active::after, .menu a:hover::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px; background: var(--primary);
    }
    .menu a:hover { color: var(--primary-deep); text-decoration: none; }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .burger {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent;
      border-radius: var(--radius-sm); position: relative;
    }
    .burger span, .burger::before, .burger::after {
      content: ""; position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text);
      transition: .2s ease;
    }
    .burger span { top: 21px; }
    .burger::before { top: 14px; }
    .burger::after { top: 28px; }
    .burger.is-open span { opacity: 0; }
    .burger.is-open::before { transform: translateY(7px) rotate(45deg); background: #fff; }
    .burger.is-open::after { transform: translateY(-7px) rotate(-45deg); background: #fff; }
    .hero {
      position: relative; height: clamp(560px, 78vh, 760px); overflow: hidden; background: var(--bg-dark); color: var(--paper);
    }
    .slides { position: absolute; inset: 0; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease;
    }
    .slide.is-on { opacity: 1; visibility: visible; }
    .slide-bg {
      position: absolute; inset: 0; background-size: cover; background-position: center;
      transform: scale(1.04);
    }
    .slide-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(23,26,29,.82) 0%, rgba(23,26,29,.55) 46%, rgba(23,26,29,.28) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center;
      padding-bottom: 92px;
    }
    .hero h1, .hero .slide-title {
      font-size: 44px; line-height: 1.2; color: #fff; max-width: 720px; margin-bottom: 16px;
    }
    .hero-lead { max-width: 640px; color: #e6e0d4; font-size: 16px; line-height: 1.8; margin-bottom: 22px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-live {
      margin-top: 22px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
      background: rgba(23,26,29,.55); border: 1px solid var(--line-dark); padding: 12px 16px; width: fit-content;
    }
    .live-dot {
      width: 8px; height: 8px; background: var(--accent); border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(216,90,31,.25);
    }
    .countdown { display: flex; gap: 10px; font-family: var(--num); }
    .count-cell { min-width: 54px; text-align: center; }
    .count-cell b { display: block; font-size: 28px; line-height: 1; color: #fff; font-weight: 700; }
    .count-cell span { font-size: 12px; color: #b7bdc2; font-family: var(--font); }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
    }
    .hero-controls .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 22px; height: 8px; border: 0; background: rgba(243,239,230,.35); padding: 0; border-radius: 2px;
    }
    .dots button.is-on { background: var(--primary); width: 34px; }
    .ctrl-btns { display: flex; gap: 8px; }
    .ctrl-btns button {
      width: 44px; height: 44px; border: 1px solid rgba(243,239,230,.35); background: rgba(23,26,29,.35); color: #fff;
    }
    .metrics { background: var(--bg-2); padding: 28px 0; border-bottom: 1px solid var(--line); }
    .metric-track {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
    }
    .metric {
      background: #efe9dc; border: 1px solid var(--line); padding: 16px 14px 14px; min-height: 118px;
    }
    .metric b {
      font-family: var(--num); font-size: 34px; line-height: 1; color: var(--primary); display: block; font-weight: 700;
    }
    .metric .unit { font-size: 14px; margin-left: 4px; }
    .metric small { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.4; }
    .bar { height: 3px; background: #d7d0c3; margin-top: 12px; overflow: hidden; }
    .bar i { display: block; height: 100%; background: var(--coolant); }
    .intro-grid {
      display: grid; grid-template-columns: 7fr 5fr; gap: 40px; align-items: center;
    }
    .intro-photo { position: relative; }
    .intro-photo img { width: 100%; height: 460px; object-fit: cover; border: 1px solid var(--line); }
    .spec-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
    .spec {
      border: 1px solid var(--coolant); color: var(--secondary); padding: 6px 12px; font-size: 13px; background: #efeae0;
    }
    .matrix {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    }
    .card {
      background: #efeae0; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 22px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow-hover); }
    .card.wide { grid-column: span 2; background: #e7e0d1; }
    .icon-line { width: 36px; height: 36px; margin-bottom: 12px; color: var(--secondary); }
    .mini-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
    .mini-table th, .mini-table td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; }
    .mini-table th { background: #d9d2c4; color: var(--text); font-weight: 600; }
    .card-cta { display: inline-block; margin-top: 8px; font-weight: 600; color: var(--coolant); }
    .hot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 18px; }
    .product { position: relative; background: #ebe4d6; border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; }
    .product img { width: 100%; height: 240px; object-fit: cover; }
    .product.feature img { height: 320px; }
    .product-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .param-line { font-family: var(--num); font-size: 18px; color: var(--secondary); letter-spacing: .04em; }
    .media { font-size: 12px; color: var(--coolant); border: 1px solid var(--coolant); width: fit-content; padding: 2px 8px; }
    .ladder {
      display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: stretch;
    }
    .steps-price { display: grid; gap: 12px; }
    .step-row {
      display: grid; grid-template-columns: 90px 1fr auto; gap: 12px; align-items: center;
      background: #efeae0; border: 1px solid var(--line); padding: 16px;
    }
    .step-row b { font-family: var(--num); font-size: 28px; color: var(--primary); }
    .slot-box {
      background: var(--secondary); color: var(--paper); padding: 28px; display: flex; flex-direction: column; justify-content: space-between;
    }
    .slot-box h3 { color: #fff; }
    .kits { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 16px; }
    .kit {
      border: 1px solid var(--line); background: #efe9dc; padding: 22px; display: flex; flex-direction: column; gap: 10px;
    }
    .kit.mid { background: var(--secondary); color: #d9d4cb; transform: translateY(-8px); }
    .kit.mid h3, .kit.mid .price { color: #fff; }
    .price { font-family: var(--num); font-size: 30px; color: var(--primary); }
    .kit ul { list-style: none; }
    .kit li { padding: 6px 0 6px 16px; position: relative; }
    .kit li::before { content: ""; width: 7px; height: 7px; background: var(--primary); position: absolute; left: 0; top: 12px; }
    .compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .compare-table { width: 100%; border-collapse: collapse; font-size: 14px; background: #efeae0; }
    .compare-table th, .compare-table td { border: 1px solid var(--line); padding: 10px 12px; }
    .compare-table th { background: #d8d1c3; }
    .up { color: var(--accent); font-weight: 700; }
    .pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); overflow: hidden; }
    .pair figure { margin: 0; position: relative; }
    .pair img { width: 100%; height: 280px; object-fit: cover; }
    .pair figcaption {
      position: absolute; left: 0; bottom: 0; background: rgba(23,26,29,.7); color: #fff; font-size: 13px; padding: 6px 10px;
    }
    .dark {
      background: var(--bg-dark); color: var(--paper); padding: 92px 0; overflow: hidden;
    }
    .dark h2, .dark h3 { color: #fff; }
    .dark-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
    .case-list { display: grid; gap: 12px; }
    .case-item {
      text-align: left; background: transparent; color: inherit; border: 1px solid var(--line-dark);
      padding: 16px 18px; min-height: 44px; width: 100%;
    }
    .case-item:hover, .case-item.is-on { border-color: var(--primary); }
    .drawer {
      display: none; margin-top: 8px; color: #c9c4ba; font-size: 14px;
    }
    .case-item.is-on + .drawer, .case-item.is-on .drawer { display: block; }
    .timeline {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative;
    }
    .node { padding: 8px 18px 0; border-top: 3px solid var(--primary); position: relative; }
    .node::before {
      content: ""; width: 12px; height: 12px; background: var(--primary); border-radius: 50%;
      position: absolute; top: -8px; left: 18px;
    }
    .story { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; margin-bottom: 56px; }
    .story.reverse { direction: rtl; }
    .story.reverse > * { direction: ltr; }
    .story img { width: 100%; height: 360px; object-fit: cover; border: 1px solid var(--line); }
    .points { list-style: none; }
    .points li { padding: 8px 0 8px 18px; border-bottom: 1px solid var(--line); position: relative; }
    .points li::before { content: ""; width: 8px; height: 8px; background: var(--coolant); position: absolute; left: 0; top: 16px; }
    .scene-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 14px; }
    .scene { position: relative; min-height: 180px; overflow: hidden; border: 1px solid var(--line); color: #fff; }
    .scene.big { grid-row: span 2; min-height: 420px; }
    .scene img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .scene .cap {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 18px;
      background: linear-gradient(transparent, rgba(23,26,29,.82));
    }
    .scene h3 { color: #fff; margin: 0 0 6px; }
    .stats {
      background: linear-gradient(#ece6d8, #e4ddd0); border-block: 1px solid var(--line);
    }
    .stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
    .stat b { font-family: var(--num); font-size: 46px; color: var(--primary); display: block; line-height: 1; }
    .reviews { display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px; }
    .review-main, .review-side article {
      background: #efeae0; border: 1px solid var(--line); padding: 22px;
    }
    .review-side { display: grid; gap: 12px; }
    .who { color: var(--muted); font-size: 13px; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .news {
      background: #efeae0; border: 1px solid var(--line); padding: 0; overflow: hidden; display: flex; flex-direction: column;
    }
    .news img { height: 160px; width: 100%; object-fit: cover; }
    .news-body { padding: 16px 16px 18px; }
    .more-txt { display: none; color: var(--muted); font-size: 14px; }
    .news.is-open .more-txt { display: block; }
    .expand {
      background: none; border: 0; color: var(--coolant); padding: 0; font-weight: 600; min-height: 44px;
    }
    .assure { display: grid; gap: 10px; }
    .assure-row {
      display: grid; grid-template-columns: 160px 1fr 180px; gap: 12px; align-items: center;
      background: #efe9dc; border: 1px solid var(--line); padding: 14px 16px;
    }
    .assure-row b { font-size: 15px; color: var(--text); }
    .quick {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }
    .qa {
      background: #ebe4d6; border-left: 3px solid var(--coolant); padding: 14px 16px;
    }
    .qa dt { font-weight: 700; color: var(--text); margin-bottom: 6px; }
    .qa dd { margin: 0; font-size: 14px; color: var(--body); }
    .faq-item { border: 1px solid var(--line); background: #efeae0; margin-bottom: 8px; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0; padding: 16px 48px 16px 16px;
      font-size: 16px; font-weight: 600; color: var(--text); position: relative; min-height: 52px;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
      color: var(--primary); font-family: var(--num); font-size: 24px;
    }
    .faq-item.is-open button::after { content: "–"; }
    .faq-panel { display: none; padding: 0 16px 16px; color: var(--body); }
    .faq-item.is-open .faq-panel { display: block; }
    .inquiry {
      background: #e8e1d3; border-top: 1px solid var(--line);
    }
    .inquiry-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; }
    .need-list { list-style: none; }
    .need-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--text); display: block; margin-bottom: 4px; }
    .req { color: var(--accent); }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--line); background: #f7f3ea; color: var(--text);
      padding: 8px 10px; border-radius: var(--radius-sm);
    }
    textarea { min-height: 96px; resize: vertical; }
    .err { color: var(--accent); font-size: 12px; display: none; }
    .field.is-bad .err { display: block; }
    .field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--accent); }
    .privacy { font-size: 12px; color: var(--muted); }
    .success-box {
      display: none; background: #efeae0; border: 1px solid var(--primary); padding: 28px;
    }
    .success-box.is-show { display: block; }
    .site-footer { background: var(--secondary); color: #c5c0b6; padding: 56px 0 0; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 28px; padding-bottom: 28px; }
    .site-footer h3 { color: #fff; font-size: 18px; }
    .site-footer a { color: #d7d1c6; text-decoration: none; }
    .site-footer a:hover { color: var(--primary); }
    .foot-bottom {
      border-top: 1px solid var(--line-dark); padding: 14px 0 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px;
    }
    .anchors { display: flex; flex-wrap: wrap; gap: 12px; }
    .trust { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
    .trust span { border: 1px solid #5c646c; padding: 3px 8px; font-size: 12px; color: #d3c4a8; }
    @media (max-width: 1023px) {
      h1, .hero h1, .hero .slide-title { font-size: 32px; }
      h2 { font-size: 26px; }
      .top-mid { display: none; }
      .burger { display: inline-block; }
      .menu {
        position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--bg-dark);
        flex-direction: column; align-items: stretch; padding: 92px 22px 24px; gap: 4px;
        transform: translateX(100%); transition: transform .25s ease; z-index: 45;
      }
      .menu.is-open { transform: none; }
      .menu a { color: #fff; border-bottom: 1px solid var(--line-dark); }
      .nav-actions .btn { display: none; }
      .metric-track, .quick, .stat-row, .news-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix, .hot-grid, .kits, .ladder, .intro-grid, .compare-wrap, .dark-grid, .reviews, .inquiry-grid, .scene-grid, .timeline {
        grid-template-columns: 1fr;
      }
      .card.wide, .scene.big { grid-column: auto; grid-row: auto; }
      .kit.mid { transform: none; }
      .hero { height: 64vh; min-height: 520px; }
    }
    @media (max-width: 767px) {
      :root { --space: 52px; }
      .container { width: min(100% - 28px, var(--container)); }
      .top-left span:last-child { display: none; }
      .metric-track { grid-template-columns: 1fr 1fr; }
      .hot-grid, .pair, .story, .story.reverse, .form, form { grid-template-columns: 1fr; }
      .story.reverse { direction: ltr; }
      .assure-row, .step-row { grid-template-columns: 1fr; }
      .foot-grid, .foot-bottom { grid-template-columns: 1fr; }
      .product img, .product.feature img, .story img, .intro-photo img { height: 220px; }
      .compare-wrap { overflow-x: auto; }
      .compare-table { min-width: 520px; }
      .timeline { grid-template-columns: 1fr; }
      .node { border-top: 0; border-left: 3px solid var(--primary); padding: 0 0 18px 18px; }
      .node::before { left: -8px; top: 8px; }
      .hero-live { width: 100%; }
      .count-cell { min-width: 44px; }
    }
    @media (max-width: 374px) {
      h1, .hero h1, .hero .slide-title { font-size: 26px; }
      .btn { width: 100%; }
      .metric b { font-size: 28px; }
      .stat b { font-size: 34px; }
    }

/* roulang page: index */
:root {
      --graphite: #1B1E23;
      --copper: #C56A2D;
      --teal: #1F6F68;
      --paper: #F3EFE6;
      --steel: #E6E2D8;
      --ink: #14171C;
      --rust: #A36B3C;
      --alert: #D85A2A;
      --text: #22262B;
      --muted: #5E635C;
      --cream: #FBF7EE;
      --line: rgba(163, 107, 60, 0.32);
      --radius: 7px;
      --radius-sm: 4px;
      --shadow: 0 8px 24px rgba(20, 23, 28, 0.08);
      --shadow-hover: 0 12px 28px rgba(20, 23, 28, 0.12);
      --container: 1240px;
      --header-offset: 112px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --num: "Barlow Condensed", "Arial Narrow", "DIN Alternate", sans-serif;
      --space: 88px;
      --space-m: 56px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: var(--header-offset); }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--paper);
      overflow-x: hidden;
    }
    img { max-width: 100%; display: block; height: auto; }
    a { color: var(--teal); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
    a:hover { color: var(--copper); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0 0 12px; color: var(--graphite); letter-spacing: 0.02em; line-height: 1.28; }
    h1 { font-size: 44px; font-weight: 700; }
    h2 { font-size: 30px; font-weight: 700; }
    h3 { font-size: 19px; font-weight: 650; }
    p { margin: 0 0 14px; }
    ul { margin: 0; padding: 0; list-style: none; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 0;
      background: var(--copper); color: #fff; padding: 8px 14px; z-index: 80;
    }
    .skip:focus { left: 12px; top: 12px; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: var(--cream);
      box-shadow: 0 1px 0 rgba(20, 23, 28, 0.06);
      transition: box-shadow .2s ease;
    }
    .topbar {
      background: var(--graphite);
      color: #d7d3cb;
      font-size: 13px;
      overflow: hidden;
      max-height: 44px;
      transition: max-height .28s ease, padding .28s ease;
    }
    .topbar-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .top-links { display: flex; gap: 18px; flex-wrap: wrap; }
    .top-links a { color: #e8e3d8; }
    .top-links a:hover { color: #f3c89a; }
    .top-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid rgba(197, 106, 45, 0.55);
      color: #e8c49a;
      padding: 2px 8px;
      font-size: 12px;
      letter-spacing: 0.04em;
      clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
    }
    .hours { color: #b9b4aa; }
    .navbar {
      display: flex; align-items: center; gap: 20px;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      min-height: 70px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px;
      color: var(--graphite); font-weight: 700; font-size: 20px; letter-spacing: 0.06em; flex: 0 0 auto;
    }
    .logo:hover { color: var(--graphite); }
    .logo-mark {
      width: 28px; height: 28px; background: var(--copper); color: #fff;
      display: grid; place-items: center; font-family: var(--num); font-size: 16px; font-weight: 700;
      clip-path: polygon(5px 0, 100% 0, 100% 23px, 23px 100%, 0 100%, 0 5px);
    }
    .nav-panel { display: flex; align-items: center; gap: 22px; margin-left: auto; }
    .nav-links { display: flex; align-items: center; gap: 18px; }
    .nav-links a {
      color: var(--graphite); font-size: 14px; font-weight: 500; padding: 8px 0; position: relative;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px;
      background: var(--copper); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--copper); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
      padding: 0 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
      font-size: 14px; font-weight: 600; letter-spacing: 0.04em; transition: all .18s ease;
    }
    .btn-primary { background: var(--copper); color: #fff; }
    .btn-primary:hover { background: #d17638; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); }
    .btn-primary:active { transform: translateY(1px); background: #b85e24; }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
    .btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
    .btn-ink { background: var(--graphite); color: #fff; }
    .btn-ink:hover { background: #2a2f36; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); }
    .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--teal); outline-offset: 2px;
    }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--cream);
      border-radius: var(--radius-sm); flex-direction: column; justify-content: center; align-items: center; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--graphite); display: block; }
    .hero {
      position: relative; min-height: 86vh; background: var(--ink); color: #f4efe6; overflow: hidden;
    }
    .slides { position: relative; min-height: 86vh; }
    .slide {
      position: absolute; inset: 0; opacity: 0; pointer-events: none;
      transition: opacity .6s ease;
    }
    .slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .slide img {
      width: 100%; height: 86vh; object-fit: cover; filter: saturate(0.86) contrast(1.05);
    }
    .slide-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,23,28,.78) 0%, rgba(20,23,28,.42) 42%, rgba(20,23,28,.12) 68%, rgba(20,23,28,.35) 100%),
        linear-gradient(180deg, rgba(20,23,28,.15) 0%, rgba(20,23,28,.08) 40%, rgba(20,23,28,.72) 100%);
    }
    .slide-copy {
      position: absolute; left: 0; right: 0; bottom: 118px; z-index: 2;
    }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px; color: #e8c49a; font-size: 13px; letter-spacing: 0.12em;
      text-transform: none; margin-bottom: 14px; border: 1px solid rgba(197,106,45,.45); padding: 4px 10px;
    }
    .kicker i { width: 8px; height: 8px; background: var(--alert); display: inline-block; }
    .slide-copy h1, .slide-copy h2.frame-title {
      color: #f7f1e6; font-size: 44px; font-weight: 700; max-width: 18em; margin-bottom: 16px;
    }
    .lead { max-width: 42em; color: #ddd6c8; font-size: 16px; line-height: 1.8; margin-bottom: 22px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-count {
      position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
      background: rgba(20, 23, 28, 0.92);
      border-top: 1px solid rgba(163, 107, 60, 0.35);
    }
    .count-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: grid; grid-template-columns: 1.3fr 2fr 1fr; gap: 18px; align-items: center;
      min-height: 92px;
    }
    .count-label { color: #cfc7b8; font-size: 13px; }
    .count-label strong { display: block; color: #f3e8d6; font-size: 16px; font-weight: 600; }
    .digits { display: flex; gap: 10px; }
    .digit {
      min-width: 64px; background: #1b1e23; border: 1px solid rgba(163,107,60,.4);
      text-align: center; padding: 6px 8px;
    }
    .digit b { display: block; font-family: var(--num); font-size: 34px; font-weight: 700; color: #f2d2b0; line-height: 1; font-variant-numeric: tabular-nums; }
    .digit span { font-size: 12px; color: #9d978c; }
    .slots { color: #d7c4a8; font-size: 13px; text-align: right; }
    .slots em { font-style: normal; font-family: var(--num); font-size: 28px; color: var(--alert); font-weight: 700; }
    .pager {
      position: absolute; right: 4%; top: 42%; z-index: 4; display: flex; flex-direction: column; gap: 8px;
    }
    .pager button {
      width: 28px; height: 4px; border: 0; background: rgba(255,255,255,.35); padding: 0; min-height: 4px;
    }
    .pager button.is-active { background: var(--copper); width: 36px; }
    .hero-nav {
      position: absolute; top: 50%; left: 12px; right: 12px; z-index: 4; display: flex; justify-content: space-between; transform: translateY(-70%);
      pointer-events: none;
    }
    .hero-nav button {
      pointer-events: auto; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.3);
      background: rgba(20,23,28,.35); color: #fff; border-radius: var(--radius-sm); font-size: 20px;
    }
    .hero-nav button:hover { border-color: var(--copper); color: #f3c89a; }
    main { background: var(--paper); }
    .section { padding: var(--space) 0; position: relative; }
    .section.alt { background: #efeae0; }
    .section.ink {
      background:
        radial-gradient(circle at 12% 20%, rgba(31,111,104,.12), transparent 28%),
        repeating-linear-gradient(90deg, rgba(163,107,60,.07) 0 1px, transparent 1px 86px),
        repeating-linear-gradient(0deg, rgba(163,107,60,.05) 0 1px, transparent 1px 72px),
        var(--ink);
      color: #e6e0d4;
    }
    .section.ink h2, .section.ink h3 { color: #f4eee3; }
    .section.ink p, .section.ink li { color: #cfc7b8; }
    .sec-head { margin-bottom: 28px; max-width: 760px; }
    .sec-head p { color: var(--muted); }
    .section.ink .sec-head p { color: #cfc7b8; }
    .eyebrow {
      display: inline-block; color: var(--copper); font-size: 12px; letter-spacing: 0.16em; margin-bottom: 8px; font-weight: 600;
    }
    .board {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
      background: var(--graphite); padding: 18px; border: 1px solid rgba(163,107,60,.28);
    }
    .meter {
      background: #1f2329; padding: 18px 16px; border-left: 3px solid var(--copper); min-height: 148px;
    }
    .meter .unit { color: #9aa39a; font-size: 12px; letter-spacing: 0.08em; }
    .meter .num {
      font-family: var(--num); font-size: 42px; line-height: 1; color: #f4e6d2; margin: 10px 0 8px; font-variant-numeric: tabular-nums;
    }
    .meter p { color: #b7b1a6; font-size: 13px; margin: 0; }
    .trend {
      display: inline-block; margin-top: 10px; font-size: 11px; color: #d8c3a4;
      border: 1px solid rgba(197,106,45,.4); padding: 1px 6px;
    }
    .split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
    .split img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
    .spec-list { display: grid; gap: 10px; margin: 18px 0 22px; }
    .spec-list li {
      display: grid; grid-template-columns: 92px 1fr; gap: 12px; background: #fffdf8;
      border: 1px solid var(--line); padding: 10px 12px; font-size: 14px;
    }
    .spec-list b { color: var(--teal); font-weight: 650; }
    .matrix {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .card {
      background: var(--cream); border: 1px solid transparent; border-radius: var(--radius);
      box-shadow: var(--shadow); padding: 22px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover { transform: translateY(-3px); border-color: var(--copper); box-shadow: var(--shadow-hover); }
    .metal-bar { height: 4px; background: linear-gradient(90deg, var(--copper), #e0a066 55%, var(--teal)); margin: -22px -22px 16px; border-radius: 7px 7px 0 0; }
    .card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
    .tag {
      font-family: var(--num); font-size: 13px; color: var(--teal); border: 1px solid rgba(31,111,104,.35); padding: 2px 7px;
    }
    .card p { color: var(--muted); font-size: 15px; }
    .ladder {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-bottom: 28px; border: 1px solid var(--line); background: #fffdf8;
    }
    .ladder li {
      padding: 16px 18px; border-right: 1px solid var(--line); position: relative;
    }
    .ladder li:last-child { border-right: 0; }
    .ladder .lv { font-family: var(--num); color: var(--copper); font-size: 20px; font-weight: 700; }
    .ladder span { display: block; color: var(--muted); font-size: 13px; }
    .product-stage {
      display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: 1fr 1fr; gap: 18px; min-height: 560px;
    }
    .product {
      position: relative; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); background: var(--ink); color: #eee7db;
      min-height: 250px; display: flex; flex-direction: column; justify-content: flex-end;
    }
    .product.large { grid-row: 1 / 3; min-height: 560px; }
    .product img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .78; }
    .product .body { position: relative; z-index: 1; padding: 22px; background: linear-gradient(180deg, transparent, rgba(20,23,28,.88)); }
    .product h3 { color: #f6efe3; }
    .specs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 14px; }
    .specs span { background: rgba(31,111,104,.25); border: 1px solid rgba(232,196,154,.25); color: #eadcc8; font-size: 12px; padding: 3px 8px; }
    .compare-wrap { overflow: auto; border: 1px solid var(--line); background: #fffdf8; }
    table.compare { width: 100%; border-collapse: collapse; min-width: 720px; }
    table.compare th, table.compare td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: top; }
    table.compare th { background: var(--graphite); color: #f0e6d6; font-weight: 600; }
    table.compare td:first-child { color: var(--teal); font-weight: 600; width: 18%; }
    .bars { display: grid; gap: 14px; margin-top: 24px; }
    .bar-row { display: grid; grid-template-columns: 120px 1fr 70px; gap: 12px; align-items: center; font-size: 14px; }
    .bar { height: 10px; background: #ddd6c8; overflow: hidden; }
    .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--copper)); }
    .case-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
    .case {
      min-height: 280px; border: 1px solid rgba(163,107,60,.28); padding: 22px; position: relative; overflow: hidden;
      background: #1a1d22;
    }
    .case.wide { min-height: 100%; }
    .case img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .28; }
    .case .body { position: relative; z-index: 1; }
    .case .result { color: #e8c49a; font-family: var(--num); font-size: 22px; }
    .track { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
    .media {
      flex: 0 0 280px; scroll-snap-align: start; background: var(--cream); border-radius: var(--radius);
      box-shadow: var(--shadow); padding: 20px; border-top: 4px solid var(--teal);
    }
    .media h3 { font-size: 18px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 18px; height: 2px; background: rgba(197,106,45,.45);
    }
    .node { padding: 0 14px; }
    .dot { width: 14px; height: 14px; background: var(--copper); border: 3px solid #fff; border-radius: 50%; margin-bottom: 16px; position: relative; z-index: 1; }
    .node strong { display: block; margin-bottom: 6px; }
    .node span { color: var(--copper); font-family: var(--num); font-size: 18px; }
    .stories { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; }
    .story { background: var(--cream); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
    .story img { width: 100%; height: 180px; object-fit: cover; }
    .story .body { padding: 18px 20px 22px; }
    .who { font-size: 13px; color: var(--teal); margin-bottom: 8px; }
    .quotes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .quote {
      background: #fffdf8; padding: 20px; border-left: 3px solid var(--copper); box-shadow: var(--shadow); min-height: 220px;
    }
    .stars { color: var(--copper); letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .quote footer { margin-top: 14px; color: var(--muted); font-size: 13px; }
    .news-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
    .news { background: var(--cream); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
    .news img { width: 100%; height: 170px; object-fit: cover; }
    .news.feature img { height: 240px; }
    .news .body { padding: 16px 18px 20px; flex: 1; display: flex; flex-direction: column; }
    .date { font-size: 12px; color: var(--copper); letter-spacing: 0.08em; }
    .more { margin-top: auto; color: var(--teal); font-weight: 600; font-size: 14px; }
    .docs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .doc {
      background: #fffdf8; border: 1px dashed rgba(163,107,60,.45); padding: 16px 14px; min-height: 150px;
    }
    .doc b { display: block; margin-bottom: 8px; color: var(--graphite); }
    .quick { display: grid; gap: 8px; }
    .qa {
      background: #fffdf8; border: 1px solid var(--line); padding: 0;
    }
    .qa button {
      width: 100%; text-align: left; background: transparent; border: 0; min-height: 48px;
      padding: 12px 16px; display: flex; justify-content: space-between; gap: 12px; font-size: 15px; color: var(--graphite);
    }
    .qa .ans { display: none; padding: 0 16px 14px; color: var(--muted); font-size: 14px; }
    .qa.open .ans { display: block; }
    .faq { display: grid; gap: 10px; }
    .faq-item { background: #fffdf8; border: 1px solid var(--line); border-left: 3px solid var(--copper); }
    .faq-item button {
      width: 100%; border: 0; background: transparent; text-align: left; min-height: 56px;
      padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; gap: 16px;
      font-size: 16px; font-weight: 600; color: var(--graphite);
    }
    .faq-item button span.arrow { transition: transform .2s ease; color: var(--copper); }
    .faq-item.open button span.arrow { transform: rotate(90deg); }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--muted); }
    .faq-item.open .ans { display: block; }
    .convert {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start;
      background: #efe8da; border: 1px solid var(--line); padding: 36px;
    }
    .checks li { padding-left: 18px; position: relative; margin-bottom: 8px; color: var(--muted); }
    .checks li::before { content: ""; width: 8px; height: 8px; background: var(--copper); position: absolute; left: 0; top: 9px; }
    form { display: grid; gap: 12px; }
    .fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    label { display: block; font-size: 13px; color: var(--graphite); margin-bottom: 6px; font-weight: 600; }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid #d5cfc3; background: #f3efe6; color: var(--graphite);
      padding: 8px 12px; border-radius: var(--radius-sm);
    }
    textarea { min-height: 96px; resize: vertical; }
    input.is-err, select.is-err, textarea.is-err { border-color: var(--alert); }
    .err { color: var(--alert); font-size: 12px; display: none; }
    .is-err + .err, .field.has-err .err { display: block; }
    .form-success {
      display: none; background: var(--graphite); color: #eee7db; padding: 28px; min-height: 280px;
    }
    .form-success.is-on { display: block; }
    form.is-off { display: none; }
    .site-footer { background: var(--ink); color: #cfc7b8; padding: 56px 0 0; }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
    .site-footer h3 { color: #f1eadc; font-size: 16px; }
    .site-footer a { color: #d7cfc0; }
    .site-footer a:hover { color: #e8c49a; }
    .icp {
      border-top: 1px solid rgba(163,107,60,.25); padding: 16px 0 22px; font-size: 12px; color: #9d978c;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .drawer-bg { display: none; position: fixed; inset: 0; background: rgba(20,23,28,.45); z-index: 60; }
    .drawer-bg.on { display: block; }
    @media (max-width: 1280px) {
      h1, .slide-copy h1, .slide-copy h2.frame-title { font-size: 40px; }
    }
    @media (max-width: 1024px) {
      :root { --space: 72px; }
      .nav-links, .navbar .btn-primary { display: none; }
      .menu-toggle { display: flex; margin-left: auto; }
      .nav-panel {
        position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--cream);
        flex-direction: column; align-items: stretch; padding: 24px 20px; gap: 8px; transform: translateX(110%);
        transition: transform .25s ease; z-index: 70; box-shadow: var(--shadow-hover);
      }
      .nav-panel.on { transform: translateX(0); }
      .nav-panel .nav-links { display: flex; flex-direction: column; gap: 0; }
      .nav-panel .nav-links a { min-height: 44px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
      .nav-panel .btn-primary { display: inline-flex; width: 100%; margin-top: 12px; }
      .board, .matrix, .docs { grid-template-columns: repeat(2, 1fr); }
      .split, .convert, .count-inner, .product-stage, .case-grid, .stories, .news-grid, .quotes, .foot-grid {
        grid-template-columns: 1fr 1fr;
      }
      .product.large { grid-row: auto; min-height: 360px; }
      .product-stage { grid-template-rows: auto; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .slide-copy h1, .slide-copy h2.frame-title, h1 { font-size: 32px; }
      .split img { height: 360px; }
    }
    @media (max-width: 768px) {
      :root { --space: 56px; --header-offset: 70px; }
      .top-meta .badge:nth-child(n+2) { display: none; }
      .count-inner, .split, .convert, .case-grid, .stories, .news-grid, .quotes, .foot-grid, .product-stage, .ladder, .fields {
        grid-template-columns: 1fr;
      }
      .board, .matrix, .docs, .timeline { grid-template-columns: 1fr 1fr; }
      .hero, .slides, .slide img { min-height: 92vh; height: auto; }
      .slide img { height: 92vh; }
      .slide-copy { bottom: 168px; }
      .count-inner { min-height: auto; padding: 12px 0; }
      .digits { justify-content: flex-start; }
      .slots { text-align: left; }
      .pager { top: auto; bottom: 170px; right: 16px; flex-direction: row; }
      h2 { font-size: 26px; }
      .meter .num { font-size: 34px; }
      .quotes { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .container, .navbar, .topbar-inner, .count-inner { width: min(100% - 28px, var(--container)); }
      .board, .matrix, .docs, .timeline { grid-template-columns: 1fr; }
      h1, .slide-copy h1, .slide-copy h2.frame-title { font-size: 28px; }
      .digit { min-width: 52px; }
      .digit b { font-size: 26px; }
      .convert { padding: 20px 16px; }
      .section { padding: 48px 0; }
      .lead { font-size: 15px; }
    }