/* roulang page: index */
:root {
      --c-primary: #8B5E3C;
      --c-primary-dark: #6F452C;
      --c-primary-light: #A56F48;
      --c-secondary: #6B7F73;
      --c-secondary-soft: #8A9A90;
      --c-accent: #C4A574;
      --c-accent-dim: rgba(196, 165, 116, 0.35);
      --c-bg: #F7F3EC;
      --c-bg-alt: #EEE8DF;
      --c-bg-paper: #F3EEE6;
      --c-dark: #1C1916;
      --c-dark-2: #26211C;
      --c-text: #2C2622;
      --c-muted: #6A625A;
      --c-line: #DDD4C8;
      --c-white: #FFFaf4;
      --radius: 6px;
      --radius-sm: 4px;
      --radius-lg: 8px;
      --shadow: 0 8px 18px rgba(80, 55, 35, 0.08);
      --shadow-sm: 0 4px 10px rgba(80, 55, 35, 0.06);
      --space: 24px;
      --container: 1220px;
      --header-top: 38px;
      --header-main: 72px;
      --font-serif: "Noto Serif SC", "Songti SC", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", "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-sans);
      font-size: 16px;
      line-height: 1.85;
      color: var(--c-text);
      background: var(--c-bg);
      letter-spacing: 0.01em;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--c-primary-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-secondary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 {
      font-family: var(--font-serif);
      line-height: 1.35;
      color: var(--c-dark);
      font-weight: 600;
      margin: 0 0 16px;
      letter-spacing: 0.04em;
    }
    h1 { font-size: 42px; font-weight: 700; letter-spacing: 0.06em; }
    h2 { font-size: 32px; margin-bottom: 14px; }
    h3 { font-size: 22px; letter-spacing: 0.03em; }
    p { margin: 0 0 1.35em; }
    ul { margin: 0; padding: 0; list-style: none; }
    .skip {
      position: absolute; left: -999px; top: 0;
      background: var(--c-primary); color: #fff; padding: 10px 16px; z-index: 1000;
    }
    .skip:focus { left: 12px; top: 12px; }
    .container {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-secondary); font-size: 13px; font-weight: 500; letter-spacing: 0.12em;
      text-transform: none; margin-bottom: 10px;
    }
    .kicker::before {
      content: ""; width: 18px; height: 1px; background: var(--c-accent);
    }
    .lead {
      font-size: 16px; color: var(--c-muted); max-width: 760px; margin-bottom: 28px;
    }
    .section {
      padding: 88px 0;
      position: relative;
    }
    .section--alt { background: var(--c-bg-alt); }
    .section--paper {
      background:
        linear-gradient(180deg, rgba(247,243,236,.92), rgba(243,238,230,.94)),
        url("/assets/images/f138c3bc3ef1eaf2.jpg") center/cover;
    }
    .section-head { margin-bottom: 36px; }
    .copper-line {
      height: 1px; background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
      border: 0; margin: 0;
    }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: var(--radius);
      border: 1px solid transparent; font-size: 15px; font-weight: 500;
      letter-spacing: 0.04em; transition: transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
    }
    .btn-primary {
      background: var(--c-primary); color: #fff; box-shadow: var(--shadow-sm);
    }
    .btn-primary:hover { background: var(--c-primary-light); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { transform: translateY(1px); background: var(--c-primary-dark); }
    .btn-ghost {
      background: rgba(255,250,244,.12); color: var(--c-white); border-color: rgba(255,250,244,.45);
    }
    .btn-ghost:hover { background: rgba(255,250,244,.2); color: #fff; transform: translateY(-1px); }
    .btn-line {
      background: #f8f4ee; color: var(--c-secondary); border-color: var(--c-secondary);
    }
    .btn-line:hover { background: #eef3f0; transform: translateY(-1px); }
    .btn-line:active { transform: translateY(1px); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 28px; padding: 2px 10px; border-radius: var(--radius-sm);
      background: rgba(196,165,116,.16); color: #8a6a3a; font-size: 12px; letter-spacing: 0.06em;
    }
    .tag {
      display: inline-flex; align-items: center; min-height: 36px; padding: 4px 12px;
      border: 1px solid var(--c-line); border-radius: var(--radius-sm);
      background: #fffaf4; color: var(--c-text); font-size: 13px;
    }

    .site-header {
      position: sticky; top: 0; z-index: 80;
      background: rgba(247,243,236,.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--c-line);
    }
    .topbar {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--header-top); padding: 0 4px;
      background: #ebe4d9; color: var(--c-muted); font-size: 12px;
      border-bottom: 1px solid #e0d7cb;
    }
    .topbar-list, .topbar-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
    .topbar span, .topbar a { color: var(--c-muted); }
    .topbar a:hover { color: var(--c-primary); }
    .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--c-accent); display: inline-block; }
    .nav-main {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--header-main); gap: 20px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--c-dark); min-height: 44px;
    }
    .logo-mark {
      width: 36px; height: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; flex-shrink: 0;
    }
    .logo-mark i { display: block; border-radius: 1px; }
    .logo-mark i:nth-child(1) { background: var(--c-primary); }
    .logo-mark i:nth-child(2) { background: var(--c-secondary); }
    .logo-mark i:nth-child(3) { background: var(--c-accent); }
    .logo-mark i:nth-child(4) { background: var(--c-primary-dark); }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-family: var(--font-serif); font-size: 18px; font-weight: 700; letter-spacing: 0.12em; }
    .logo-text em { font-style: normal; font-size: 12px; color: var(--c-secondary); letter-spacing: 0.18em; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative; color: var(--c-text); font-size: 14px; padding: 10px 12px; min-height: 44px;
      display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 8px; height: 2px;
      background: var(--c-primary); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary-dark); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--c-line);
      background: #fffaf4; border-radius: var(--radius); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--c-dark); display: block; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: #f4efe7;
      transform: translateX(100%); transition: transform .28s ease; z-index: 90;
      padding: 24px 20px 32px; box-shadow: -12px 0 30px rgba(40,30,20,.12);
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a { min-height: 44px; display: flex; align-items: center; color: var(--c-text); border-bottom: 1px solid var(--c-line); }
    .drawer-close {
      align-self: flex-end; width: 44px; height: 44px; border: 1px solid var(--c-line); background: #fff; border-radius: var(--radius);
    }
    .backdrop {
      position: fixed; inset: 0; background: rgba(28,25,22,.35); opacity: 0; pointer-events: none; transition: opacity .28s ease; z-index: 85;
    }
    .backdrop.is-open { opacity: 1; pointer-events: auto; }
    body.is-scrolled .topbar { display: none; }
    body.is-scrolled .site-header { box-shadow: var(--shadow-sm); }

    .hero {
      position: relative; min-height: calc(100vh - 110px); color: #fff; overflow: hidden;
      isolation: isolate;
    }
    .slides { position: absolute; inset: 0; z-index: -2; }
    .slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
      background: #2a221c center/cover no-repeat;
    }
    .slide.is-on { opacity: 1; }
    .slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero::after {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background:
        linear-gradient(90deg, rgba(20,16,12,.72) 8%, rgba(20,16,12,.38) 48%, rgba(20,16,12,.55) 100%),
        repeating-linear-gradient(90deg, transparent 0 31px, rgba(255,255,255,.03) 31px 32px);
    }
    .hero-inner {
      min-height: calc(100vh - 110px);
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
      padding: 54px 0 72px;
    }
    .hero h1 { color: #fff; font-size: 46px; max-width: 16ch; margin-bottom: 18px; }
    .hero .lead { color: rgba(255,250,244,.88); max-width: 640px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 22px; }
    .hero-caption {
      font-size: 13px; letter-spacing: 0.12em; color: var(--c-accent); margin-bottom: 8px;
    }
    .invite {
      background: rgba(247,243,236,.94); color: var(--c-text); border-radius: var(--radius-lg);
      padding: 22px 22px 20px; box-shadow: var(--shadow); border: 1px solid rgba(196,165,116,.35);
    }
    .invite h2 { font-size: 24px; margin-bottom: 8px; }
    .invite p { color: var(--c-muted); margin-bottom: 14px; }
    .reward-list { display: grid; gap: 8px; margin-bottom: 16px; }
    .reward-list li {
      display: grid; grid-template-columns: 18px 1fr; gap: 8px; align-items: start;
      font-size: 14px; color: var(--c-text);
    }
    .reward-list i {
      width: 8px; height: 8px; border-radius: 1px; background: var(--c-primary); margin-top: 9px;
    }
    .progress-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--c-muted); margin-bottom: 6px; }
    .progress {
      height: 8px; background: #e5ddd2; border-radius: 99px; overflow: hidden; margin-bottom: 16px;
    }
    .progress b {
      display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
      transition: width 1.2s ease;
    }
    .invite .btn { width: 100%; }
    .invite-note { font-size: 12px; color: var(--c-muted); margin: 10px 0 0; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 18px;
      display: flex; justify-content: space-between; align-items: center;
      width: min(calc(100% - 40px), var(--container)); margin: 0 auto;
    }
    .pager { display: flex; gap: 8px; }
    .pager button, .ctrl button {
      width: 44px; height: 44px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.35);
      background: rgba(28,25,22,.35); color: #fff; font-size: 16px;
    }
    .pager button.is-on, .pager button:hover, .ctrl button:hover { background: var(--c-primary); border-color: var(--c-primary); }
    .ctrl { display: flex; gap: 8px; }

    .pain-grid {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    }
    .pain-copy h2 { max-width: 14ch; }
    .issue-list { display: grid; gap: 16px; }
    .issue {
      padding: 16px 18px; background: #fffaf4; border: 1px solid var(--c-line);
      border-left: 3px solid var(--c-primary); border-radius: var(--radius); box-shadow: var(--shadow-sm);
    }
    .issue h3 { font-size: 18px; margin-bottom: 6px; }
    .issue p { margin: 0; color: var(--c-muted); font-size: 15px; }
    .media-frame {
      position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
      border: 1px solid var(--c-line);
    }
    .media-frame img { width: 100%; height: 520px; object-fit: cover; }
    .media-cap {
      position: absolute; left: 16px; bottom: 16px; background: rgba(28,25,22,.72); color: #fff;
      padding: 8px 12px; border-radius: var(--radius-sm); font-size: 13px;
    }

    .spec-inline {
      display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 22px 0 28px;
    }
    .spec-inline div {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 14px 16px;
    }
    .spec-inline dt { font-size: 12px; color: var(--c-secondary); letter-spacing: 0.08em; }
    .spec-inline dd { margin: 4px 0 0; font-family: var(--font-sans); font-weight: 700; font-size: 18px; }
    .split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 40px; align-items: center; }

    .adv-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    }
    .adv-card {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
    .adv-card img { width: 100%; height: 148px; object-fit: cover; }
    .adv-card .body { padding: 16px 16px 18px; }
    .adv-card .metric { font-size: 13px; color: var(--c-secondary); letter-spacing: 0.08em; margin-bottom: 6px; }
    .adv-card p { margin: 0; color: var(--c-muted); font-size: 14px; }

    .step-axis {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative;
    }
    .step-axis::before {
      content: ""; position: absolute; left: 6%; right: 6%; top: 28px; height: 1px; background: var(--c-accent-dim);
    }
    .step {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px 16px 18px;
      position: relative; min-height: 210px;
    }
    .step b {
      width: 36px; height: 36px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center;
      background: var(--c-secondary); color: #fff; font-size: 14px; margin-bottom: 12px;
    }
    .step h3 { font-size: 18px; }
    .step p { margin: 0; color: var(--c-muted); font-size: 14px; }

    .product-stage {
      display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; gap: 16px;
    }
    .product-card {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
    }
    .product-card--lg { grid-row: span 2; }
    .product-card img { width: 100%; height: 230px; object-fit: cover; }
    .product-card--lg img { height: 420px; }
    .product-card .body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .spec-bar {
      display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--c-muted);
    }
    .spec-bar span { border: 1px solid var(--c-line); padding: 4px 8px; border-radius: 4px; background: #f6f1ea; }
    .product-card .btn { align-self: flex-start; margin-top: auto; }

    .craft {
      background: var(--c-dark) url("/assets/images/33786e342d1e4c45.webp") center/cover;
      color: #f4efe7; padding: 0;
    }
    .craft-mask {
      background:
        linear-gradient(90deg, rgba(22,18,15,.92), rgba(22,18,15,.72) 45%, rgba(22,18,15,.55)),
        repeating-linear-gradient(135deg, transparent 0 10px, rgba(196,165,116,.04) 10px 11px);
      padding: 92px 0;
    }
    .craft-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: center; }
    .craft h2, .craft p { color: #f7f1e8; }
    .craft .lead { color: rgba(247,241,232,.78); }
    .craft img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid rgba(196,165,116,.25); }
    .quote {
      font-family: var(--font-serif); font-size: 22px; line-height: 1.7; margin: 0 0 18px; letter-spacing: 0.06em;
    }

    .stat-bar {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
    }
    .stat {
      text-align: left; padding: 22px 18px; background: #fffaf4; border: 1px solid var(--c-line);
      border-radius: var(--radius); box-shadow: var(--shadow-sm);
    }
    .stat strong {
      display: block; font-size: 34px; font-weight: 700; color: var(--c-primary); font-variant-numeric: tabular-nums;
      letter-spacing: 0.02em; line-height: 1.1; margin-bottom: 6px;
    }
    .stat span { color: var(--c-muted); font-size: 14px; }

    .story {
      display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; margin-bottom: 48px;
    }
    .story:last-child { margin-bottom: 0; }
    .story:nth-child(even) { direction: rtl; }
    .story:nth-child(even) > * { direction: ltr; }
    .story img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--c-line); }
    .story p { color: var(--c-muted); }

    .review-rail {
      display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .review {
      min-width: min(78%, 360px); scroll-snap-align: start; background: #fffaf4;
      border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm);
    }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review .meta { font-size: 13px; color: var(--c-secondary); margin-bottom: 8px; }
    .review p { margin: 0; color: var(--c-text); }

    .scene-box { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
    .tag-wall { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
    .scene-photos { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; }
    .scene-photos img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--c-line); }
    .scene-photos img:first-child { height: 452px; grid-row: span 2; }

    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .news-card {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .news-card img { width: 100%; height: 150px; object-fit: cover; }
    .news-card .body { padding: 14px 14px 16px; }
    .news-card time { font-size: 12px; color: var(--c-secondary); }
    .news-card h3 { font-size: 17px; margin: 6px 0 8px; }
    .news-card p { margin: 0; font-size: 14px; color: var(--c-muted); }
    .news-more { margin-top: 22px; }

    .metric-board {
      display: grid; grid-template-columns: 1fr 1fr; gap: 18px 40px;
    }
    .metric-item { padding-bottom: 14px; border-bottom: 1px solid var(--c-line); }
    .metric-item dt { display: flex; justify-content: space-between; font-weight: 500; margin-bottom: 8px; }
    .metric-item dd { margin: 0; color: var(--c-muted); font-size: 14px; }
    .bar { height: 6px; background: #e6ddd2; border-radius: 99px; overflow: hidden; margin-bottom: 8px; }
    .bar span { display: block; height: 100%; background: var(--c-secondary); }

    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item { background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius); }
    .faq-item button {
      width: 100%; text-align: left; background: none; border: 0; min-height: 56px;
      padding: 14px 18px; font-size: 16px; font-weight: 500; color: var(--c-dark);
      display: flex; justify-content: space-between; align-items: center; gap: 12px;
    }
    .faq-item button span:last-child { color: var(--c-primary); font-size: 20px; }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--c-muted); }
    .faq-item.is-open .ans { display: block; }
    .faq-item.is-open { border-color: var(--c-secondary); }

    .cta-band {
      background:
        linear-gradient(180deg, rgba(247,243,236,.9), rgba(238,232,223,.94)),
        url("/assets/images/d6608e9d15adbea0.jpg") center/cover;
      padding: 88px 0;
    }
    .cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
    .points { display: grid; gap: 12px; margin-top: 18px; }
    .points li { padding-left: 16px; position: relative; color: var(--c-muted); }
    .points li::before { content: ""; width: 7px; height: 7px; background: var(--c-primary); position: absolute; left: 0; top: 11px; border-radius: 1px; }
    .form-card {
      background: #fffaf4; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
      padding: 24px; box-shadow: var(--shadow);
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--c-text); }
    input, select, textarea {
      min-height: 46px; border: 1px solid var(--c-line); border-radius: var(--radius);
      background: #fbf8f3; padding: 10px 12px; color: var(--c-text); font-size: 15px;
    }
    textarea { min-height: 96px; resize: vertical; }
    .form-msg { margin-top: 12px; font-size: 14px; color: var(--c-secondary); min-height: 22px; }
    .form-msg.is-ok { color: var(--c-primary-dark); }
    .form-msg.is-err { color: #9a3b2f; }

    .site-footer {
      background: var(--c-dark-2); color: #d9d0c5; padding: 56px 0 24px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr 1fr; gap: 28px; margin-bottom: 36px; }
    .site-footer h3 { color: #f4efe7; font-size: 18px; }
    .site-footer a { color: #d9d0c5; display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: var(--c-accent); }
    .foot-brand p { color: #b9b0a5; }
    .copy {
      border-top: 1px solid rgba(196,165,116,.2); padding-top: 16px; font-size: 13px; color: #9d9489;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }

    @media (max-width: 1280px) {
      h1 { font-size: 38px; }
      .hero h1 { font-size: 40px; }
      .product-card--lg img { height: 380px; }
    }
    @media (max-width: 1024px) {
      .topbar-list span:nth-child(3), .topbar .dot:nth-of-type(2) { display: none; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-inner, .pain-grid, .split, .craft-grid, .scene-box, .cta-grid { grid-template-columns: 1fr; }
      .hero { min-height: auto; }
      .hero-inner { min-height: auto; padding: 36px 0 92px; }
      .hero h1 { font-size: 34px; max-width: none; }
      .media-frame img, .craft img, .story img { height: 360px; }
      .adv-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
      .product-stage { grid-template-columns: 1fr; }
      .product-card--lg { grid-row: auto; }
      .product-card--lg img, .product-card img { height: 280px; }
      .stat-bar { grid-template-columns: repeat(3, 1fr); }
      .step-axis { grid-template-columns: 1fr; }
      .step-axis::before { display: none; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .scene-photos img:first-child { height: 280px; grid-row: auto; }
      .scene-photos { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .container { width: min(calc(100% - 28px), var(--container)); }
      .section, .cta-band, .craft-mask { padding: 64px 0; }
      h1 { font-size: 30px; }
      h2 { font-size: 26px; }
      .topbar { display: none; }
      .stat-bar { grid-template-columns: 1fr 1fr; }
      .form-grid, .spec-inline, .metric-board { grid-template-columns: 1fr; }
      .story, .story:nth-child(even) { direction: ltr; grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .scene-photos { grid-template-columns: 1fr; }
      .scene-photos img, .scene-photos img:first-child { height: 220px; }
      .foot-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .hero-actions, .nav-cta .btn { width: 100%; }
      .adv-grid { grid-template-columns: 1fr; }
      .stat-bar { grid-template-columns: 1fr; }
      .pager button, .ctrl button, .btn, .menu-toggle { min-width: 44px; min-height: 44px; }
      .logo-text strong { font-size: 16px; }
      .invite { padding: 18px; }
    }
    @media (max-width: 375px) {
      body { overflow-x: hidden; }
      h1, .hero h1 { font-size: 26px; }
      h2 { font-size: 22px; }
      .hero-caption { letter-spacing: 0.06em; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
      --glaze: #3f5e55;
      --glaze-deep: #2b4740;
      --glaze-soft: #6f8b80;
      --glaze-mist: #d7e2dc;
      --copper: #b0784a;
      --copper-deep: #8d5c34;
      --gold: #c4a574;
      --bg: #f6f1e8;
      --bg-2: #efe8dc;
      --clay: #e4d5c2;
      --ink: #1b1916;
      --stone: #141210;
      --text: #2a241f;
      --muted: #6e675e;
      --cream: #f3eadc;
      --line: #d9d0c3;
      --white: #fffcf7;
      --danger: #8b3d32;
      --ok: #2f6b52;
      --radius: 6px;
      --radius-sm: 4px;
      --shadow: 0 10px 28px rgba(27, 25, 22, 0.07);
      --shadow-sm: 0 4px 14px rgba(27, 25, 22, 0.05);
      --space: 28px;
      --container: 1240px;
      --nav-h: 74px;
      --top-h: 40px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
      --ease: 180ms ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      min-width: 320px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--glaze); text-decoration: none; transition: color var(--ease), border-color var(--ease), background var(--ease); }
    a:hover { color: var(--copper-deep); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; }
    h1, h2, h3 { font-family: var(--font-serif); line-height: 1.28; color: var(--ink); font-weight: 600; margin: 0; }
    p { margin: 0 0 1.15em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    :focus { outline: none; }
    :focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--cream);
      padding: 8px 14px; z-index: 10000; border-radius: var(--radius-sm);
    }
    .skip:focus { left: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .site-header {
      position: sticky; top: 0; z-index: 80; background: var(--stone);
      transition: box-shadow var(--ease);
    }
    .site-header.is-stuck { box-shadow: 0 8px 24px rgba(20, 18, 16, 0.18); }
    .nav-top {
      height: var(--top-h);
      display: flex; align-items: center;
      background: #1a1815;
      color: #d8d0c4;
      font-size: 12px;
      letter-spacing: 0.04em;
      border-bottom: 1px solid rgba(196, 165, 116, 0.18);
      overflow: hidden;
      transition: height 200ms ease, opacity 200ms ease;
    }
    .site-header.is-stuck .nav-top { height: 0; opacity: 0; border: 0; }
    .nav-top-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .nav-top-list { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
    .nav-top-list a { color: #efe6d6; }
    .nav-top-list a:hover { color: var(--gold); }
    .trust-chip {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid rgba(196, 165, 116, 0.35);
      color: var(--gold); padding: 2px 8px; border-radius: 2px; font-size: 11px;
    }
    .nav-main {
      height: var(--nav-h);
      display: flex; align-items: center;
      background: #221f1b;
      border-bottom: 1px solid rgba(217, 208, 195, 0.12);
    }
    .site-header.is-stuck .nav-main { background: #1d1b18; }
    .nav-main-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px;
    }
    .logo {
      display: flex; align-items: baseline; gap: 8px; color: var(--cream); white-space: nowrap;
    }
    .logo-mark {
      width: 18px; height: 18px; border: 1.5px solid var(--gold);
      display: inline-grid; place-items: center; border-radius: 2px;
    }
    .logo-mark span { width: 8px; height: 8px; background: var(--glaze-soft); display: block; }
    .logo-name { font-family: var(--font-serif); font-size: 20px; color: var(--cream); letter-spacing: 0.08em; }
    .logo-name:hover { color: var(--gold); }
    .nav-links { display: flex; justify-content: center; gap: 4px 18px; list-style: none; }
    .nav-links a {
      color: #d9d1c4; font-size: 14px; padding: 8px 2px 10px;
      border-bottom: 2px solid transparent; display: inline-flex; min-height: 44px; align-items: center;
    }
    .nav-links a:hover, .nav-links a.is-active {
      color: var(--cream); border-bottom-color: var(--gold);
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-sm);
      border: 1px solid transparent; font-weight: 500; letter-spacing: 0.04em;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform 120ms ease, opacity var(--ease);
    }
    .btn:active { transform: translateY(1px); }
    .btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }
    .btn-primary { background: var(--glaze); color: var(--cream); }
    .btn-primary:hover { background: var(--copper-deep); color: var(--cream); }
    .btn-ghost {
      background: transparent; color: var(--cream); border-color: rgba(243, 234, 220, 0.45);
    }
    .btn-ghost:hover { background: rgba(243, 234, 220, 0.08); color: #fff; }
    .btn-line {
      background: transparent; color: var(--glaze-deep); border-color: var(--line);
    }
    .btn-line:hover { background: var(--clay); color: var(--ink); }
    .btn-copper { background: var(--copper); color: var(--white); }
    .btn-copper:hover { background: var(--glaze-deep); color: var(--cream); }
    .nav-cta { white-space: nowrap; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid rgba(243,234,220,.25);
      background: transparent; color: var(--cream); border-radius: var(--radius-sm);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 1.5px; background: var(--cream); display: block; }
    .hero {
      position: relative; min-height: calc(100vh - 114px); color: var(--cream);
      display: flex; align-items: stretch; isolation: isolate; overflow: hidden;
    }
    .hero-slides, .hero-slide {
      position: absolute; inset: 0;
    }
    .hero-slide { opacity: 0; transition: opacity 700ms ease; }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(16,14,12,.82) 0%, rgba(16,14,12,.55) 48%, rgba(16,14,12,.28) 100%),
        linear-gradient(180deg, rgba(16,14,12,.18), rgba(16,14,12,.55));
    }
    .hero-body {
      position: relative; z-index: 2; width: min(100% - 40px, var(--container));
      margin: 72px auto 88px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center;
    }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px; color: var(--gold);
      font-size: 13px; letter-spacing: 0.18em; margin-bottom: 16px;
    }
    .eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--gold); }
    .hero h1 { font-size: clamp(30px, 4vw, 48px); color: var(--cream); margin-bottom: 18px; }
    .hero-lead { font-size: 16px; line-height: 1.85; color: #e7dfd2; max-width: 640px; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .invite-card {
      background: rgba(28, 25, 21, 0.72);
      border: 1px solid rgba(196, 165, 116, 0.28);
      border-radius: 8px; padding: 22px 22px 20px; backdrop-filter: blur(6px);
      box-shadow: var(--shadow);
    }
    .invite-card h3 { color: var(--cream); font-size: 22px; margin-bottom: 8px; }
    .invite-card p { color: #d8d0c3; font-size: 14px; line-height: 1.75; }
    .reward-list { display: grid; gap: 10px; margin: 16px 0 18px; }
    .reward-item {
      display: grid; grid-template-columns: 64px 1fr; gap: 10px; align-items: center;
      border: 1px solid rgba(217, 208, 195, 0.14); padding: 8px 10px; border-radius: 4px;
    }
    .reward-item strong { color: var(--gold); font-size: 13px; }
    .reward-item span { color: #ece4d7; font-size: 13px; line-height: 1.55; }
    .progress-wrap { margin: 6px 0 16px; }
    .progress-meta { display: flex; justify-content: space-between; color: #d9d1c4; font-size: 13px; margin-bottom: 8px; }
    .progress-bar { height: 8px; background: rgba(243,234,220,.12); border-radius: 99px; overflow: hidden; }
    .progress-bar span {
      display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--glaze-soft), var(--gold));
      transition: width 900ms ease;
    }
    .invite-note { font-size: 12px; color: #b7aea1; margin-top: 10px; }
    .hero-nav, .hero-dots { position: absolute; z-index: 3; }
    .hero-nav {
      top: 50%; transform: translateY(-50%); width: 44px; height: 44px;
      border: 1px solid rgba(243,234,220,.3); background: rgba(20,18,16,.35); color: var(--cream);
      border-radius: 4px;
    }
    .hero-nav.prev { left: 16px; }
    .hero-nav.next { right: 16px; }
    .hero-nav:hover { background: var(--glaze); }
    .hero-dots { left: 50%; bottom: 22px; transform: translateX(-50%); display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 4px; border: 0; background: rgba(243,234,220,.35); border-radius: 1px; padding: 0;
    }
    .hero-dots button.is-active { background: var(--gold); }
    main { overflow: hidden; }
    section[id] { scroll-margin-top: 86px; }
    .section { padding: 88px 0; position: relative; }
    .section-alt { background: var(--bg-2); }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head.wide { max-width: 860px; }
    .kicker { color: var(--copper); font-size: 13px; letter-spacing: 0.16em; margin-bottom: 10px; }
    .section h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 16px; }
    .section-head p { color: var(--muted); font-size: 16px; line-height: 1.85; }
    .split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
    .split.reverse { grid-template-columns: .85fr 1.15fr; }
    .media { position: relative; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-sm); }
    .media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
    .media-caption {
      position: absolute; left: 12px; bottom: 12px; background: rgba(27,25,22,.78); color: var(--cream);
      font-size: 12px; padding: 6px 10px; border-radius: 2px;
    }
    .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .compare-col {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 8px;
    }
    .compare-col h3 {
      font-size: 18px; padding: 14px 16px 10px; border-bottom: 1px solid var(--line);
    }
    .compare-col.bad h3 { color: var(--danger); }
    .compare-col.good h3 { color: var(--ok); }
    .issue {
      display: grid; grid-template-columns: 8px 1fr; gap: 12px; padding: 14px 16px;
      border-bottom: 1px solid var(--line);
    }
    .issue:last-child { border-bottom: 0; }
    .issue i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); margin-top: 9px; display: block; }
    .compare-col.bad .issue i { background: var(--danger); }
    .compare-col.good .issue i { background: var(--glaze); }
    .issue strong { display: block; font-size: 15px; margin-bottom: 4px; }
    .issue span { color: var(--muted); font-size: 14px; line-height: 1.7; }
    .spec-strip {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
      background: var(--line); border: 1px solid var(--line); margin-top: 24px;
    }
    .spec-strip div { background: var(--white); padding: 14px 12px; }
    .spec-strip b { display: block; color: var(--glaze-deep); font-family: var(--font-serif); font-size: 18px; }
    .spec-strip span { color: var(--muted); font-size: 13px; }
    .bento {
      display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 220px 220px; gap: 16px;
    }
    .bento-card {
      position: relative; overflow: hidden; border-radius: 8px; border: 1px solid var(--line); background: var(--white);
      min-height: 180px;
    }
    .bento-card.wide { grid-row: span 2; }
    .bento-card img { width: 100%; height: 100%; object-fit: cover; }
    .bento-card .shade {
      position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,18,16,.05), rgba(20,18,16,.72));
    }
    .bento-copy { position: absolute; left: 16px; right: 16px; bottom: 16px; color: var(--cream); }
    .bento-copy h3 { color: var(--cream); font-size: 22px; margin-bottom: 6px; }
    .bento-copy p { font-size: 14px; color: #e8e0d3; }
    .badge {
      display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px;
      border: 1px solid rgba(243,234,220,.35); border-radius: 2px; font-size: 12px; margin-right: 6px; margin-bottom: 8px;
    }
    .timeline {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 27px; height: 1px; background: var(--line);
    }
    .step {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 18px 16px 16px; position: relative;
    }
    .step-num {
      width: 28px; height: 28px; border-radius: 50%; background: var(--glaze); color: var(--cream);
      display: grid; place-items: center; font-size: 13px; margin-bottom: 12px; position: relative; z-index: 1;
    }
    .step h3 { font-size: 16px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--muted); line-height: 1.7; }
    .six-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .adv-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 22px 20px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .adv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: var(--glaze-soft); }
    .icon-line {
      width: 36px; height: 36px; border: 1px solid var(--glaze); color: var(--glaze);
      display: grid; place-items: center; margin-bottom: 14px; border-radius: 4px;
    }
    .adv-card h3 { font-size: 18px; margin-bottom: 8px; }
    .adv-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }
    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .product-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
      display: flex; flex-direction: column; transition: box-shadow var(--ease);
    }
    .product-card:hover { box-shadow: var(--shadow); }
    .product-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
    .product-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .chips { display: flex; flex-wrap: wrap; gap: 6px; }
    .chip {
      font-size: 12px; color: var(--glaze-deep); background: var(--glaze-mist); padding: 3px 8px; border-radius: 2px;
    }
    .product-body h3 { font-size: 20px; }
    .product-body p { color: var(--muted); font-size: 14px; }
    .spec-points { color: var(--text); font-size: 14px; display: grid; gap: 6px; margin: 4px 0 8px; }
    .people-track {
      display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory;
    }
    .person {
      min-width: min(78%, 280px); scroll-snap-align: start;
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 18px;
    }
    .person h3 { font-size: 18px; margin-bottom: 4px; }
    .person .role { color: var(--copper); font-size: 13px; margin-bottom: 10px; }
    .person p { color: var(--muted); font-size: 14px; }
    .scene-grid {
      display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 240px 240px; gap: 16px;
    }
    .scene {
      position: relative; overflow: hidden; border-radius: 8px; min-height: 220px;
    }
    .scene.big { grid-row: span 2; }
    .scene img { width: 100%; height: 100%; object-fit: cover; }
    .scene .shade { position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(16,14,12,.78)); }
    .scene-copy { position: absolute; left: 18px; right: 18px; bottom: 16px; color: var(--cream); }
    .scene-copy h3 { color: var(--cream); font-size: 24px; margin-bottom: 6px; }
    .scene-copy p { color: #e6ddd0; font-size: 14px; }
    .dark-case {
      background: var(--stone); color: var(--cream); padding: 0; min-height: 520px;
      display: grid; grid-template-columns: 1.1fr .9fr;
    }
    .dark-case .visual { min-height: 520px; position: relative; }
    .dark-case .visual img { width: 100%; height: 100%; object-fit: cover; }
    .dark-copy { padding: 72px 48px; display: flex; flex-direction: column; justify-content: center; }
    .dark-copy h2 { color: var(--cream); margin-bottom: 14px; }
    .dark-copy p { color: #d8d0c3; max-width: 520px; }
    .dark-copy .line { width: 48px; height: 1px; background: var(--gold); margin: 18px 0; }
    .story-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
    .story {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
      display: grid; grid-template-columns: 1fr 1.1fr;
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .story-body { padding: 22px; }
    .quote { font-family: var(--font-serif); font-size: 28px; color: var(--gold); line-height: 1; }
    .story-body h3 { font-size: 20px; margin: 8px 0 10px; }
    .story-body p { color: var(--muted); font-size: 14px; }
    .story-meta { margin-top: 14px; color: var(--text); font-size: 13px; }
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
      border: 1px solid var(--line);
    }
    .stat { background: var(--white); padding: 28px 18px; text-align: left; }
    .stat b { display: block; font-family: var(--font-serif); font-size: 36px; color: var(--glaze); line-height: 1.1; }
    .stat span { color: var(--muted); font-size: 14px; }
    .stat-note { margin-top: 14px; color: var(--muted); font-size: 13px; }
    .quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .quotes article:first-child { grid-column: 1 / -1; }
    .quote-card {
      background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--glaze);
      border-radius: 8px; padding: 22px;
    }
    .bricks { color: var(--copper); letter-spacing: 2px; font-size: 14px; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
      clip: rect(0,0,0,0); border: 0;
    }
    .quote-card p { margin: 10px 0 14px; }
    .quote-card footer { color: var(--muted); font-size: 13px; }
    .news-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; }
    .news-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
      display: flex; flex-direction: column;
    }
    .news-card img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
    .news-card .body { padding: 16px 16px 18px; }
    .news-card time { color: var(--copper); font-size: 12px; }
    .news-card h3 { font-size: 18px; margin: 6px 0 8px; }
    .news-card p { color: var(--muted); font-size: 14px; }
    .more-link { display: inline-flex; margin-top: 18px; border-bottom: 1px solid var(--gold); color: var(--ink); }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
    table { width: 100%; border-collapse: collapse; min-width: 680px; }
    th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
    th { background: #ece4d6; font-family: var(--font-serif); font-weight: 600; }
    td strong { color: var(--glaze-deep); }
    .ally {
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: stretch;
    }
    .ally-steps { display: grid; gap: 12px; }
    .ally-step {
      display: grid; grid-template-columns: 76px 1fr; gap: 12px; background: var(--white);
      border: 1px solid var(--line); border-radius: 8px; padding: 16px;
    }
    .ally-step b { color: var(--copper); font-size: 13px; letter-spacing: 0.08em; }
    .path {
      background: var(--ink); color: var(--cream); border-radius: 8px; padding: 28px 24px;
    }
    .path h3 { color: var(--cream); font-size: 22px; margin-bottom: 12px; }
    .path ol { padding-left: 18px; color: #ddd4c6; display: grid; gap: 10px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--line); background: var(--white); border-radius: 8px; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0; padding: 16px 18px;
      min-height: 52px; display: flex; justify-content: space-between; gap: 12px; color: var(--ink); font-weight: 600;
    }
    .faq-item button span.plus { color: var(--copper); font-family: var(--font-serif); }
    .faq-item .faq-a { display: none; padding: 0 18px 16px; color: var(--muted); }
    .faq-item.is-open .faq-a { display: block; }
    .cta-box {
      display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px;
      background: var(--white); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
    }
    .cta-info {
      background:
        linear-gradient(180deg, rgba(27,25,22,.55), rgba(27,25,22,.78)),
        url("/assets/images/33786e342d1e4c45.webp") center/cover;
      color: var(--cream); padding: 36px 28px;
    }
    .cta-info h2 { color: var(--cream); margin-bottom: 12px; }
    .cta-info p { color: #e6ddd0; margin-bottom: 18px; }
    .cta-info dl { display: grid; gap: 8px; font-size: 14px; }
    .cta-info dt { color: var(--gold); }
    .cta-info dd { margin: 0; }
    .cta-form { padding: 32px 28px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .form-grid .full { grid-column: 1 / -1; }
    label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--muted); }
    input, select, textarea {
      width: 100%; border: 1px solid var(--line); background: var(--bg); color: var(--text);
      border-radius: 4px; padding: 11px 12px; min-height: 44px;
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus { border-color: var(--glaze); background: var(--white); }
    .form-msg { margin-top: 12px; font-size: 14px; min-height: 22px; }
    .form-msg.ok { color: var(--ok); }
    .form-msg.err { color: var(--danger); }
    .site-footer { background: #161412; color: #d5cdc0; padding: 56px 0 24px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 28px; margin-bottom: 32px; }
    .site-footer h3 { color: var(--cream); font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #d5cdc0; display: inline-block; padding: 4px 0; min-height: 32px; }
    .site-footer a:hover { color: var(--gold); }
    .foot-brand { font-family: var(--font-serif); font-size: 22px; color: var(--cream); margin-bottom: 10px; }
    .copy {
      border-top: 1px solid rgba(217,208,195,.14); padding-top: 16px; font-size: 13px; color: #a79f93;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .toast {
      position: fixed; right: 16px; bottom: 16px; background: var(--ink); color: var(--cream);
      padding: 12px 16px; border-radius: 6px; z-index: 90; display: none; box-shadow: var(--shadow);
    }
    .drawer {
      position: fixed; inset: 0; background: rgba(16,14,12,.55); z-index: 90; display: none;
    }
    .drawer.is-open { display: block; }
    .drawer nav {
      position: absolute; right: 0; top: 0; bottom: 0; width: min(86vw, 360px);
      background: #1c1916; padding: 24px 20px; display: flex; flex-direction: column; gap: 6px;
    }
    .drawer a {
      color: var(--cream); min-height: 44px; display: flex; align-items: center;
      border-bottom: 1px solid rgba(217,208,195,.12);
    }
    @media (max-width: 1199px) {
      .hero-body, .split, .split.reverse, .ally, .cta-box, .dark-case, .story-grid { grid-template-columns: 1fr; }
      .bento, .scene-grid { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
      .bento-card.wide, .scene.big { grid-row: auto; min-height: 240px; }
      .timeline { grid-template-columns: repeat(3, 1fr); }
      .timeline::before { display: none; }
      .news-grid { grid-template-columns: 1fr 1fr; }
      .dark-case .visual { min-height: 320px; }
      .story { grid-template-columns: 1fr; }
    }
    @media (max-width: 767px) {
      .container, .nav-top-inner, .nav-main-inner, .hero-body { width: min(100% - 28px, var(--container)); }
      .nav-links, .nav-cta, .trust-chip { display: none; }
      .menu-toggle { display: inline-flex; }
      .nav-top-list { gap: 10px; }
      .hero { min-height: 100%; }
      .hero-body { margin: 36px auto 72px; }
      .hero h1 { font-size: 30px; }
      .compare, .six-grid, .product-grid, .quotes, .stats, .form-grid, .foot-grid, .spec-strip { grid-template-columns: 1fr; }
      .stats { grid-template-columns: 1fr 1fr; }
      .bento, .scene-grid, .news-grid { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .section { padding: 64px 0; }
      .dark-copy { padding: 36px 22px 48px; }
      .cta-form, .cta-info { padding: 24px 18px; }
    }
    @media (max-width: 375px) {
      body { font-size: 16px; }
      .hero h1 { font-size: 26px; }
      .btn { width: 100%; }
      .hero-actions, .invite-card .btn { width: 100%; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }