/* roulang page: index */
:root {
      --bg: #F4EFE6;
      --bg-alt: #E7E0D4;
      --ink: #2B2926;
      --ink-soft: #5E5850;
      --primary: #3F6A5C;
      --primary-ink: #F7F4EE;
      --accent: #B5683A;
      --metal: #C3B6A4;
      --glass: #8EA3A8;
      --dark: #1C1B19;
      --line: rgba(43,41,38,.12);
      --shadow: 0 10px 28px rgba(28,27,25,.08);
      --radius: 8px;
      --space-xl: 88px;
      --space-lg: 72px;
      --space-md: 56px;
      --header-h: 108px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 17px;
      line-height: 1.75;
      color: var(--ink);
      background: var(--bg);
    }
    img { max-width: 100%; display: block; height: auto; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; color: inherit; }
    button { cursor: pointer; }
    h1, h2, h3 {
      font-family: "Noto Serif SC", "Source Han Serif SC", serif;
      font-weight: 700;
      letter-spacing: .02em;
      line-height: 1.28;
      margin: 0 0 .6em;
    }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    .container { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
    }
    .skip:focus { left: 12px; background: #fff; padding: 8px 12px; z-index: 80; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid var(--metal); color: var(--ink-soft);
      font-size: 12px; letter-spacing: .12em; padding: 4px 10px; border-radius: 6px;
      background: rgba(255,255,255,.4);
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 22px; border-radius: 8px;
      border: 1px solid transparent; transition: .22s ease; white-space: nowrap;
    }
    .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    .btn-primary { background: var(--primary); color: var(--primary-ink); }
    .btn-primary:hover, .btn-primary:active { background: #34584c; transform: translateY(-1px); }
    .btn-accent { background: var(--accent); color: #fff; }
    .btn-accent:hover { background: #9d5731; transform: translateY(-1px); }
    .btn-line { background: transparent; border-color: var(--ink); color: var(--ink); }
    .btn-line:hover { background: var(--ink); color: var(--primary-ink); }
    .btn-ghost { background: transparent; color: var(--primary-ink); border-color: rgba(247,244,238,.55); }
    .btn-ghost:hover { background: rgba(247,244,238,.12); }
    .site-header { position: relative; z-index: 40; }
    .topbar {
      background: #ece6da; border-bottom: 1px solid var(--line);
      font-size: 13px; color: var(--ink-soft);
    }
    .topbar .container {
      display: grid; grid-template-columns: 1fr auto 1fr;
      align-items: center; min-height: 38px; gap: 16px;
    }
    .topbar a { color: var(--ink); }
    .topbar a:hover { color: var(--primary); }
    .topbar-mid { text-align: center; }
    .topbar-right { display: flex; justify-content: flex-end; align-items: center; gap: 16px; }
    .mainbar {
      background: var(--bg); border-bottom: 1px solid var(--line);
      transition: box-shadow .2s ease;
    }
    .mainbar.is-sticky {
      position: sticky; top: 0; box-shadow: 0 6px 18px rgba(28,27,25,.06);
    }
    .mainbar .container {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 70px; gap: 20px;
    }
    .logo { display: flex; align-items: center; gap: 10px; min-height: 44px; }
    .logo-mark {
      width: 34px; height: 34px; border: 1.5px solid var(--metal);
      display: grid; place-items: center; border-radius: 6px;
      color: var(--primary); font-family: "Noto Serif SC", serif; font-weight: 700;
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-family: "Noto Serif SC", serif; font-size: 18px; }
    .logo-text span { font-size: 12px; color: var(--ink-soft); letter-spacing: .18em; }
    .nav-links { display: flex; gap: 22px; }
    .nav-links a {
      position: relative; min-height: 44px; display: inline-flex; align-items: center;
      color: var(--ink-soft); font-size: 15px;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 1px;
      background: var(--metal); transform: scaleX(0); transition: .2s;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
    .nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--metal);
      background: transparent; border-radius: 8px; position: relative;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      position: absolute; width: 16px; height: 1.5px; background: var(--ink); left: 13px;
    }
    .menu-toggle span { top: 21px; }
    .menu-toggle span::before { content: ""; top: -6px; }
    .menu-toggle span::after { content: ""; top: 6px; }
    .drawer {
      display: none; position: fixed; inset: 0; background: rgba(28,27,25,.38); z-index: 50;
    }
    .drawer.open { display: block; }
    .drawer-panel {
      width: min(82vw, 340px); height: 100%; margin-left: auto; background: var(--bg);
      padding: 28px 22px; display: flex; flex-direction: column; gap: 8px;
    }
    .drawer-panel a { min-height: 44px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
    .hero { position: relative; min-height: 86vh; overflow: hidden; color: var(--primary-ink); }
    .slides { position: relative; min-height: 86vh; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s ease;
      background-size: cover; background-position: center;
    }
    .slide.is-on { opacity: 1; visibility: visible; position: relative; }
    .slide::before {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(28,27,25,.72) 0%, rgba(28,27,25,.28) 58%, rgba(28,27,25,.12) 100%);
    }
    .slide::after {
      content: ""; position: absolute; inset: 0;
      background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 86px 86px; opacity: .35; pointer-events: none;
    }
    .hero-copy { position: relative; z-index: 2; padding: 110px 0 92px; max-width: 720px; }
    .hero h1 { font-size: clamp(34px, 5vw, 56px); color: #fff; }
    .hero p.lead { font-size: 17px; max-width: 38em; color: rgba(247,244,238,.92); }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
    .hero-ctrl {
      position: absolute; left: 0; right: 0; bottom: 24px; z-index: 3;
    }
    .hero-ctrl .container { display: flex; align-items: center; gap: 16px; }
    .frame-bars { display: flex; gap: 6px; flex: 1; }
    .frame-bars button {
      flex: 1; height: 6px; border: 0; background: rgba(247,244,238,.28); border-radius: 1px; min-width: 44px;
    }
    .frame-bars button.is-on { background: var(--metal); }
    .pause-btn {
      min-width: 44px; min-height: 44px; border: 1px solid rgba(247,244,238,.45);
      background: transparent; color: #fff; border-radius: 8px;
    }
    .group-note {
      margin-top: 22px; display: inline-flex; gap: 10px; align-items: center;
      border: 1px solid rgba(195,182,164,.5); padding: 8px 12px; border-radius: 8px;
      font-size: 13px; color: rgba(247,244,238,.86);
    }
    section { padding: var(--space-xl) 0; }
    .sec-kicker { color: var(--primary); font-size: 13px; letter-spacing: .16em; margin-bottom: 8px; }
    .sec-head { max-width: 720px; margin-bottom: 36px; }
    .sec-head h2 { font-size: clamp(26px, 3vw, 36px); }
    .sec-head p { color: var(--ink-soft); }
    .alt { background: var(--bg-alt); }
    .selling { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .sell-item {
      background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); padding: 22px;
    }
    .icon-line {
      width: 42px; height: 42px; border: 1px solid var(--metal); border-radius: 6px;
      display: grid; place-items: center; margin-bottom: 14px; color: var(--primary);
    }
    .sell-item h3 { font-size: 20px; }
    .sell-item p { color: var(--ink-soft); margin: 0; font-size: 15px; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
    .media { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--metal); }
    .media img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; filter: contrast(1.05) saturate(1.02); }
    .check-list { display: grid; gap: 10px; margin: 18px 0 24px; }
    .check-list li { padding-left: 18px; position: relative; color: var(--ink-soft); }
    .check-list li::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--primary); position: absolute; left: 0; top: 10px; }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .adv-card { background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); padding: 20px; }
    .adv-card:nth-child(2), .adv-card:nth-child(5) { background: #efe8db; }
    .meter { height: 6px; background: #ddd4c6; border-radius: 99px; overflow: hidden; margin: 12px 0 6px; }
    .meter span { display: block; height: 100%; background: var(--primary); }
    .tiny { font-size: 13px; color: var(--ink-soft); }
    .cut { display: grid; grid-template-columns: 18px 1fr 18px; gap: 8px; align-items: stretch; margin-top: 10px; height: 54px; }
    .cut i { background: var(--metal); }
    .cut b { background: repeating-linear-gradient(90deg, #cfd8da, #cfd8da 8px, #b7c4c7 8px, #b7c4c7 10px); }
    .adv-card ul li { font-size: 14px; color: var(--ink-soft); padding: 4px 0; border-bottom: 1px dashed var(--line); }
    .scene-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 240px 240px; gap: 12px; }
    .scene { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--metal); }
    .scene img { width: 100%; height: 100%; object-fit: cover; }
    .scene.big { grid-row: 1 / span 2; }
    .scene figcaption {
      position: absolute; left: 12px; right: 12px; bottom: 12px;
      background: rgba(28,27,25,.72); color: #fff; padding: 10px 12px; border-radius: 6px;
    }
    .scene figcaption strong { display: block; font-size: 15px; }
    .scene figcaption span { font-size: 13px; color: rgba(247,244,238,.82); }
    .prod-wrap { display: grid; grid-template-columns: 1.3fr .7fr; gap: 16px; }
    .prod-side { display: grid; gap: 16px; }
    .prod {
      background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); overflow: hidden;
    }
    .prod img { width: 100%; height: 240px; object-fit: cover; }
    .prod.small img { height: 150px; }
    .prod-body { padding: 18px; }
    .prod-body h3 { font-size: 22px; }
    .params { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 16px; }
    .params span { border: 1px solid var(--metal); padding: 3px 8px; font-size: 12px; color: var(--ink-soft); border-radius: 6px; }
    .cases { background: var(--dark); color: #efe8dc; padding: 0; }
    .cases-inner { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 560px; }
    .cases-visual { position: relative; min-height: 420px; }
    .cases-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: 0; transition: .35s; }
    .cases-visual img.is-on { opacity: 1; }
    .cases-copy { padding: 72px 48px; }
    .cases-copy h2 { color: #fff; }
    .cases-copy p, .cases-copy li { color: #cfc6b8; }
    .thumbs { display: flex; gap: 10px; margin-top: 22px; }
    .thumbs button { width: 92px; height: 64px; padding: 0; border: 1px solid var(--metal); border-radius: 6px; overflow: hidden; opacity: .55; }
    .thumbs button.is-on { opacity: 1; border-color: #fff; }
    .thumbs img { width: 100%; height: 100%; object-fit: cover; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--metal); border-radius: var(--radius); background: #fbf8f2; }
    table { width: 100%; border-collapse: collapse; min-width: 720px; font-variant-numeric: tabular-nums; }
    th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
    th { background: #efe8db; font-weight: 600; }
    td.hi { background: rgba(63,106,92,.1); color: var(--primary); font-weight: 600; }
    .story-list { display: grid; gap: 22px; }
    .story { display: grid; grid-template-columns: 280px 1fr; gap: 24px; background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); overflow: hidden; }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .story-body { padding: 22px 22px 22px 0; }
    .meta { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
    .stats { background: var(--primary); color: var(--primary-ink); padding: 48px 0; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: left; }
    .num { font-size: 40px; font-weight: 700; font-family: "Noto Sans SC", sans-serif; letter-spacing: -0.04em; }
    .reviews { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 14px; align-items: start; }
    .quote { background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); padding: 20px; }
    .quote.tall { min-height: 280px; }
    .quote.shift { margin-top: 28px; }
    .stars { color: var(--accent); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .who { margin-top: 12px; font-size: 13px; color: var(--ink-soft); }
    .repurchase { grid-column: 1 / -1; border-left: 3px solid var(--accent); padding: 16px 18px; background: #efe8db; }
    .spec-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
    .node { display: grid; grid-template-columns: 70px 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
    .node b { color: var(--primary); font-variant-numeric: tabular-nums; }
    .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
    .flow li { border: 1px solid var(--metal); padding: 12px; border-radius: 8px; background: #fbf8f2; font-size: 14px; }
    .news-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
    .news-side { display: grid; gap: 14px; }
    .news-card { display: grid; grid-template-columns: 140px 1fr; gap: 14px; background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); overflow: hidden; }
    .news-card.feature { grid-template-columns: 1fr; }
    .news-card img { width: 100%; height: 100%; object-fit: cover; min-height: 110px; }
    .news-card.feature img { min-height: 250px; }
    .news-card div { padding: 14px 14px 14px 0; }
    .news-card.feature div { padding: 18px; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item button {
      width: 100%; text-align: left; background: none; border: 0; min-height: 56px;
      display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; font-weight: 600;
    }
    .faq-item .ans { display: none; color: var(--ink-soft); padding: 0 0 16px; }
    .faq-item.open .ans { display: block; }
    .g-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .g-item { border: 1px solid var(--metal); border-radius: 8px; padding: 18px; background: #fbf8f2; position: relative; }
    .stamp {
      width: 46px; height: 46px; border: 1.5px solid var(--primary); border-radius: 50%;
      display: grid; place-items: center; color: var(--primary); font-size: 12px; margin-bottom: 10px;
    }
    .contact { background: var(--bg-alt); }
    .contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; }
    .form-card, .side-card { background: #fbf8f2; border: 1px solid var(--metal); border-radius: var(--radius); padding: 24px; }
    label { display: block; font-size: 14px; margin: 12px 0 6px; }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid rgba(43,41,38,.22); background: #fffdf8;
      border-radius: 8px; padding: 8px 12px;
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
    .err { color: var(--accent); font-size: 14px; margin: 8px 0; }
    .ok { background: #e8efe9; border: 1px solid var(--primary); padding: 16px; border-radius: 8px; }
    .site-footer { background: var(--dark); color: #d8cfc2; padding: 56px 0 28px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr .9fr; gap: 24px; }
    .site-footer a { color: #d8cfc2; }
    .site-footer a:hover { color: #fff; }
    .site-footer h3 { color: #fff; font-size: 16px; }
    .copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(195,182,164,.25); font-size: 13px; }
    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
      background: #2b2926; color: #fff; transform: translateY(110%); transition: .25s;
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    }
    .dock.show { transform: none; }
    .dock .box { display: flex; gap: 8px; align-items: center; }
    .dock a { flex: 1; min-height: 44px; }
    .dock .close {
      width: 44px; min-height: 44px; border: 1px solid rgba(255,255,255,.3); background: transparent; color: #fff; border-radius: 8px;
    }
    @media (max-width: 1199px) {
      .nav-links { gap: 14px; }
      .scene-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 260px 180px 180px; }
      .scene.big { grid-row: auto; grid-column: 1 / -1; min-height: 280px; }
    }
    @media (max-width: 991px) {
      .split, .prod-wrap, .cases-inner, .spec-grid, .news-grid, .contact-grid, .foot-grid { grid-template-columns: 1fr; }
      .adv-grid, .g-grid, .stats-grid { grid-template-columns: 1fr 1fr; }
      .reviews { grid-template-columns: 1fr 1fr; }
      .story { grid-template-columns: 1fr; }
      .story-body { padding: 18px; }
      .cases-copy { padding: 36px 24px 48px; }
      .topbar-mid { display: none; }
      .topbar .container { grid-template-columns: 1fr auto; }
    }
    @media (max-width: 768px) {
      .nav-links, .mainbar .btn-primary { display: none; }
      .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .selling, .flow, .adv-grid, .g-grid, .stats-grid, .reviews { grid-template-columns: 1fr; }
      .hero-copy { padding: 72px 0 110px; }
      .quote.shift { margin-top: 0; }
      .topbar-right span { display: none; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, 1240px); }
      section { padding: 56px 0; }
      .hero { min-height: 78vh; }
      .slides, .slide.is-on { min-height: 78vh; }
    }

/* roulang page: index */
:root {
      --ink: #2a241c;
      --ink-2: #3b3329;
      --bronze: #8d6a43;
      --bronze-2: #c4a574;
      --paper: #f5f0e7;
      --paper-2: #ebe3d6;
      --stone: #e4ddd1;
      --mist: #d5ddd9;
      --wood: #b08968;
      --text: #221e18;
      --muted: #6f675c;
      --line: #d5ccbf;
      --white: #fbf8f3;
      --ok: #3f6b4e;
      --danger: #8b3a2a;
      --radius: 6px;
      --shadow: 0 10px 28px rgba(42, 36, 28, .07);
      --shadow-sm: 0 4px 14px rgba(42, 36, 28, .05);
      --container: 1220px;
      --nav-h: 64px;
      --bar-h: 58px;
      --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--sans);
      color: var(--text);
      background: var(--paper);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
      padding-bottom: calc(var(--bar-h) + env(safe-area-inset-bottom));
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.28; margin: 0; font-weight: 700; color: var(--ink); }
    p { margin: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus { outline: none; }
    :focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--ink); color: var(--white); padding: 8px 12px; z-index: 80;
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
    .section { padding: 88px 0; }
    .section--stone { background: var(--paper-2); }
    .section--paper { background: var(--paper); }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 12px; letter-spacing: .18em; color: var(--bronze);
      font-weight: 600; text-transform: none; margin-bottom: 12px;
    }
    .kicker::before {
      content: ""; width: 18px; height: 1px; background: var(--bronze);
    }
    .sec-title { font-size: clamp(24px, 3vw, 34px); margin-bottom: 14px; }
    .sec-desc {
      color: var(--muted); max-width: 760px; font-size: 15.5px; margin-bottom: 36px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 46px; padding: 0 20px; border-radius: var(--radius);
      font-weight: 600; letter-spacing: .04em; transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
      border: 1px solid transparent; white-space: nowrap;
    }
    .btn-primary { background: var(--ink); color: var(--white); }
    .btn-ghost { background: transparent; color: var(--white); border-color: rgba(251,248,243,.45); }
    .btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
    .btn-light { background: var(--white); color: var(--ink); }
    @media (hover: hover) {
      .btn-primary:hover { background: #4a3d2c; transform: translateY(-1px); }
      .btn-ghost:hover { background: rgba(251,248,243,.12); transform: translateY(-1px); }
      .btn-line:hover { background: var(--ink); color: var(--white); transform: translateY(-1px); }
      .btn-light:hover { background: var(--bronze-2); transform: translateY(-1px); }
    }
    .btn:active { transform: translateY(0); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 28px; padding: 0 10px; border: 1px solid var(--line);
      border-radius: 4px; font-size: 12px; color: var(--muted); background: rgba(251,248,243,.7);
    }
    .badge--solid { background: var(--ink); color: var(--bronze-2); border-color: var(--ink); }
    .site-header { position: relative; z-index: 40; }
    .topbar {
      background: var(--ink); color: #d9d0c3; font-size: 13px;
      transition: transform .28s ease, max-height .28s ease, opacity .28s ease;
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: 38px;
    }
    .topbar a { color: #efe6d8; }
    .topbar a:hover { color: var(--bronze-2); }
    .top-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .top-tools { display: flex; align-items: center; gap: 12px; }
    .cert-chip {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid rgba(196,165,116,.35); color: var(--bronze-2);
      padding: 2px 8px; border-radius: 4px; font-size: 12px;
    }
    .top-book {
      color: var(--white) !important; background: #4a3d2c; padding: 4px 10px; border-radius: 4px;
    }
    body.is-scrolled .topbar {
      transform: translateY(-100%); max-height: 0; opacity: 0; overflow: hidden;
    }
    .navbar {
      background: rgba(245,240,231,.94); backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line); min-height: var(--nav-h);
    }
    .navbar.is-stuck {
      position: sticky; top: 0; box-shadow: var(--shadow-sm);
    }
    .nav-inner {
      display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px;
      min-height: var(--nav-h);
    }
    .logo {
      display: flex; align-items: center; gap: 10px; min-height: 44px;
    }
    .logo-mark {
      width: 34px; height: 34px; color: var(--ink); flex: none;
    }
    .logo-text { font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: .04em; }
    .nav-links { display: flex; justify-content: center; gap: 4px; }
    .nav-links a {
      position: relative; min-height: 44px; display: inline-flex; align-items: center;
      padding: 0 12px; color: var(--muted); font-size: 14.5px; font-weight: 500;
    }
    .nav-links a.is-current, .nav-links a:hover { color: var(--ink); }
    .nav-links a.is-current::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 8px; height: 2px; background: var(--bronze);
    }
    .nav-cta { display: flex; align-items: center; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; place-items: center; border: 1px solid var(--line); border-radius: 4px;
    }
    .nav-toggle span, .nav-toggle::before, .nav-toggle::after {
      display: block; width: 18px; height: 1.5px; background: var(--ink); content: "";
    }
    .nav-toggle span { margin: 5px 0; }
    .drawer {
      position: fixed; inset: 0; background: rgba(42,36,28,.46); z-index: 50;
      opacity: 0; pointer-events: none; transition: opacity var(--ease);
    }
    .drawer.is-open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute; right: 0; top: 0; bottom: 0; width: min(86vw, 360px);
      background: var(--paper); padding: 24px 20px; transform: translateX(24px);
      box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open .drawer-panel { transform: none; }
    .drawer a {
      min-height: 44px; display: flex; align-items: center; padding: 0 8px;
      border-bottom: 1px solid var(--line); color: var(--ink);
    }
    .hero {
      position: relative; min-height: calc(100svh - 102px); background: var(--ink); color: var(--white);
    }
    .slides { position: relative; min-height: inherit; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease;
    }
    .slide.is-active { opacity: 1; visibility: visible; position: relative; }
    .slide img {
      width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0;
      min-height: inherit; filter: saturate(.92);
    }
    .slide-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(22,18,14,.78) 0%, rgba(22,18,14,.42) 48%, rgba(22,18,14,.2) 100%),
        linear-gradient(180deg, rgba(22,18,14,.18), rgba(22,18,14,.55));
    }
    .slide-copy {
      position: relative; z-index: 2; min-height: inherit;
      display: flex; align-items: center; padding: 54px 0 88px;
    }
    .hero-frame {
      max-width: 720px; border-left: 1px solid rgba(196,165,116,.45); padding-left: 22px;
    }
    .hero h1, .hero-title {
      font-family: var(--serif); font-size: clamp(30px, 5vw, 50px); line-height: 1.18;
      color: var(--white); margin: 8px 0 16px; font-weight: 700;
    }
    .hero-lead { color: #ece4d7; font-size: 15.5px; max-width: 640px; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
    .group-meter {
      margin-top: 8px; padding: 14px 16px; width: min(100%, 460px);
      border: 1px solid rgba(196,165,116,.35); background: rgba(42,36,28,.35);
      border-radius: var(--radius);
    }
    .group-meter strong { color: var(--bronze-2); font-family: var(--mono); }
    .meter {
      height: 4px; background: rgba(255,255,255,.16); border-radius: 99px; margin: 8px 0;
    }
    .meter > span { display: block; height: 100%; width: 90%; background: var(--bronze-2); border-radius: 99px; }
    .group-meter p { color: #ddd3c4; font-size: 13px; }
    .group-meter a { color: var(--bronze-2); text-decoration: underline; text-underline-offset: 3px; }
    .kpi-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .kpi {
      min-width: 120px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06); border-radius: 4px;
    }
    .kpi b { display: block; font-family: var(--mono); font-size: 16px; color: var(--white); }
    .kpi span { color: #cfc4b4; font-size: 12px; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 22px; z-index: 3;
      display: flex; align-items: center; justify-content: space-between;
      width: min(100% - 32px, var(--container)); margin: 0 auto;
    }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 28px; height: 4px; background: rgba(255,255,255,.3); border-radius: 99px;
    }
    .dots button.is-on { background: var(--bronze-2); }
    .arrow {
      width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.28); color: var(--white);
      border-radius: 4px; display: grid; place-items: center;
    }
    @media (hover: hover) { .arrow:hover { background: rgba(255,255,255,.1); } }
    .sell-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
      border: 1px solid var(--line); background: var(--white); border-radius: 6px; overflow: hidden;
    }
    .sell-card {
      padding: 28px 26px; border-right: 1px solid var(--line); position: relative;
    }
    .sell-card:last-child { border-right: 0; }
    .sell-card::before {
      content: ""; position: absolute; left: 26px; right: 26px; top: 0; height: 3px; background: var(--bronze);
    }
    .icon-line { width: 28px; height: 28px; margin-bottom: 14px; color: var(--ink); }
    .sell-card h3 { font-size: 22px; margin-bottom: 10px; }
    .sell-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 16px; }
    .weak { color: var(--bronze); font-size: 13px; font-weight: 600; }
    .weak:hover { text-decoration: underline; text-underline-offset: 3px; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .frame-pic {
      position: relative; border-radius: 6px; overflow: hidden; box-shadow: var(--shadow);
      border: 1px solid var(--line);
    }
    .frame-pic img { width: 100%; height: 460px; object-fit: cover; }
    .frame-pic::after {
      content: ""; position: absolute; inset: 12px; border: 1px solid rgba(251,248,243,.35); pointer-events: none;
    }
    .spec-list { display: grid; gap: 10px; margin-top: 22px; }
    .spec-item {
      display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 10px 0;
      border-bottom: 1px solid var(--line); font-size: 14.5px;
    }
    .spec-item b { color: var(--ink); font-weight: 600; }
    .spec-item span { color: var(--muted); }
    .cert-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .scene-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
    .scene-track {
      display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr);
      gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .scene-card {
      scroll-snap-align: start; background: var(--white); border: 1px solid var(--line);
      border-radius: 6px; overflow: hidden; min-width: 0;
    }
    .scene-card img { width: 100%; height: 210px; object-fit: cover; }
    .scene-card div { padding: 16px 16px 18px; }
    .scene-card h3 { font-size: 18px; margin-bottom: 6px; }
    .tag { font-size: 12px; color: var(--bronze); letter-spacing: .08em; margin-bottom: 6px; }
    .scene-card p { color: var(--muted); font-size: 14px; }
    .grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .mat-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 6px;
      padding: 22px 20px 20px; box-shadow: var(--shadow-sm); position: relative;
    }
    .mat-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--ink-2); }
    .mat-card:nth-child(2)::before { background: var(--bronze); }
    .mat-card:nth-child(3)::before { background: #7f8b86; }
    .mat-card:nth-child(4)::before { background: var(--wood); }
    .mat-card:nth-child(5)::before { background: #5c5348; }
    .mat-card:nth-child(6)::before { background: #8a6f4e; }
    .swatch { width: 100%; height: 8px; margin: 0 0 14px; background: linear-gradient(90deg, #2a241c, #8d6a43, #d5ddd9); border-radius: 99px; }
    .mat-card h3 { font-size: 20px; margin-bottom: 8px; }
    .mat-card p { color: var(--muted); font-size: 14.5px; }
    .prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .prod-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
      display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
    }
    .prod-card img { width: 100%; height: 230px; object-fit: cover; }
    .prod-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .prod-body h3 { font-size: 22px; }
    .prod-body p { color: var(--muted); font-size: 14.5px; }
    .params { display: grid; gap: 6px; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .params li { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--muted); }
    .params b { color: var(--ink); font-family: var(--mono); font-weight: 600; }
    .ribbon {
      position: absolute; top: 12px; left: 12px; background: var(--ink); color: var(--bronze-2);
      font-size: 12px; padding: 4px 8px; border-radius: 4px;
    }
    .prod-card { position: relative; }
    .mix { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: stretch; }
    .bars { display: grid; gap: 14px; }
    .bar-block { background: var(--white); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; }
    .bar-block h3 { font-size: 18px; margin-bottom: 8px; }
    .bar-block p { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
    .pbar { height: 6px; background: var(--stone); border-radius: 99px; overflow: hidden; }
    .pbar > i { display: block; height: 100%; background: var(--ink); }
    .mix-pic { display: grid; gap: 12px; }
    .mix-pic img { width: 100%; height: 230px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); }
    .dark {
      background: #241f19; color: #e7ddd0; padding: 92px 0;
    }
    .dark .sec-title, .dark h3 { color: var(--white); }
    .dark .sec-desc { color: #cbbfae; }
    .dark-split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; align-items: center; }
    .quote {
      font-family: var(--serif); font-size: clamp(24px, 3vw, 34px); line-height: 1.4; color: var(--white);
      border-left: 2px solid var(--bronze-2); padding-left: 18px; margin: 12px 0 20px;
    }
    .case-pics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .case-pics img { height: 280px; width: 100%; object-fit: cover; border-radius: 6px; }
    .compare-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
    table.compare { width: 100%; border-collapse: collapse; min-width: 680px; }
    .compare th, .compare td { padding: 14px 16px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line); }
    .compare thead th { background: var(--ink); color: var(--white); font-weight: 600; position: sticky; top: 0; }
    .compare td:first-child { font-weight: 600; color: var(--ink); width: 18%; }
    .compare tbody tr:nth-child(even) { background: #f7f2ea; }
    .note {
      margin-top: 16px; padding: 14px 16px; background: var(--paper-2); border-left: 3px solid var(--bronze);
      color: var(--muted); font-size: 14px;
    }
    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .story-card { background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
    .story-card img { height: 180px; width: 100%; object-fit: cover; }
    .story-card div { padding: 16px; }
    .story-card h3 { font-size: 18px; margin-bottom: 8px; }
    .story-card p { color: var(--muted); font-size: 14.5px; }
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
      border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
    }
    .stat {
      background: #efe8dc; padding: 28px 18px; text-align: left;
    }
    .stat b {
      display: block; font-family: var(--mono); font-size: clamp(26px, 3vw, 34px); color: var(--ink); line-height: 1.1;
    }
    .stat span { color: var(--muted); font-size: 13px; }
    .review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .review {
      background: var(--white); border: 1px solid var(--line); border-radius: 6px;
      padding: 20px 20px 18px 22px; border-left: 3px solid var(--ink);
    }
    .review p { color: var(--text); font-size: 15px; margin-bottom: 12px; }
    .review small { color: var(--muted); font-size: 13px; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .news-card { background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
    .news-card img { height: 140px; width: 100%; object-fit: cover; }
    .news-card div { padding: 14px; }
    .news-card h3 { font-size: 16px; margin-bottom: 6px; }
    .news-card p { color: var(--muted); font-size: 13.5px; }
    .more { margin-top: 18px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
    .faq-item button {
      width: 100%; min-height: 56px; display: flex; justify-content: space-between; align-items: center;
      gap: 12px; padding: 12px 18px; text-align: left; font-weight: 600; color: var(--ink);
    }
    .faq-item .sign {
      width: 22px; height: 22px; border: 1px solid var(--line); border-radius: 50%;
      display: grid; place-items: center; transition: transform var(--ease);
    }
    .faq-item.is-open .sign { transform: rotate(45deg); }
    .faq-panel { display: none; padding: 0 18px 16px; color: var(--muted); font-size: 14.5px; }
    .faq-item.is-open .faq-panel { display: block; }
    .promise-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .promise {
      background: var(--white); border: 1px solid var(--line); border-radius: 6px; padding: 18px 16px;
    }
    .promise h3 { font-size: 17px; margin-bottom: 6px; }
    .promise p { color: var(--muted); font-size: 13.5px; }
    .checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 18px; margin-top: 22px; }
    .checks li { position: relative; padding-left: 18px; color: var(--muted); font-size: 14px; }
    .checks li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border: 1px solid var(--bronze); }
    .booking {
      position: relative; color: #efe6d8; padding: 92px 0;
      background: #211c17 center/cover no-repeat;
    }
    .booking::before {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(24,20,16,.88), rgba(24,20,16,.72) 55%, rgba(24,20,16,.5));
    }
    .booking .container { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; }
    .booking h2 { color: var(--white); }
    .booking .sec-desc { color: #d8ccbc; }
    .points { display: grid; gap: 8px; margin-top: 16px; }
    .points li { padding-left: 14px; position: relative; color: #ddd2c3; }
    .points li::before { content: ""; width: 6px; height: 6px; background: var(--bronze-2); position: absolute; left: 0; top: 10px; }
    .form {
      background: rgba(251,248,243,.94); color: var(--text); padding: 22px; border-radius: 6px;
      border: 1px solid rgba(213,204,191,.7);
    }
    .form h3 { margin-bottom: 14px; font-size: 22px; }
    .fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; color: var(--muted); }
    .field input, .field select {
      min-height: 44px; border: 1px solid var(--line); border-radius: 4px; padding: 0 12px; background: var(--white); color: var(--text);
    }
    .field.is-invalid input, .field.is-invalid select { border-color: var(--danger); }
    .form-msg { display: none; margin-top: 12px; padding: 10px 12px; border-radius: 4px; font-size: 14px; }
    .form-msg.is-ok { display: block; background: #e6efe8; color: var(--ok); }
    .form-msg.is-err { display: block; background: #f6e6e2; color: var(--danger); }
    .form .btn { width: 100%; margin-top: 12px; }
    .site-footer { background: #1c1814; color: #cfc4b4; padding: 48px 0 24px; }
    .foot-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; margin-bottom: 28px; }
    .foot-brand { font-family: var(--serif); color: var(--white); font-size: 22px; margin-bottom: 10px; }
    .foot-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
    .foot-links a { min-height: 36px; display: inline-flex; align-items: center; }
    .foot-links a:hover { color: var(--bronze-2); }
    .legal { border-top: 1px solid #3a332b; padding-top: 16px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 35;
      background: rgba(42,36,28,.96); color: var(--white);
      padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
      display: flex; align-items: center; justify-content: center; gap: 16px;
      border-top: 1px solid rgba(196,165,116,.25);
    }
    body.form-focus .dock { transform: translateY(110%); }
    .dock { transition: transform .25s ease; }
    .dock-inner { width: min(100%, var(--container)); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .dock p { font-size: 13px; color: #ddd3c4; }
    .dock-actions { display: flex; gap: 8px; }
    @media (max-width: 1280px) {
      .container { width: min(100% - 28px, 1120px); }
    }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .nav-toggle { display: grid; }
      .nav-inner { grid-template-columns: auto 1fr auto; }
      .split, .mix, .dark-split, .booking .container { grid-template-columns: 1fr; }
      .grid-6 { grid-template-columns: repeat(2, 1fr); }
      .prod-grid, .story-grid, .promise-row { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .frame-pic img, .case-pics img { height: 280px; }
      .top-links span:nth-child(2) { display: none; }
    }
    @media (max-width: 768px) {
      .section, .dark, .booking { padding: 64px 0; }
      .sell-grid { grid-template-columns: 1fr; }
      .sell-card { border-right: 0; border-bottom: 1px solid var(--line); }
      .prod-grid, .story-grid, .review-grid, .promise-row, .checks { grid-template-columns: 1fr; }
      .fields { grid-template-columns: 1fr; }
      .hero { min-height: auto; }
      .slide-copy { padding: 36px 0 78px; }
      .topbar-inner { min-height: 34px; }
      .cert-chip { display: none; }
      .foot-grid, .legal { grid-template-columns: 1fr; }
      .dock-inner { flex-wrap: wrap; }
      .dock p { display: none; }
      table.compare { min-width: 0; }
      .compare thead { display: none; }
      .compare, .compare tbody, .compare tr, .compare td { display: block; width: 100%; }
      .compare tr { padding: 8px 0 12px; border-bottom: 1px solid var(--line); }
      .compare td { padding: 6px 14px; border: 0; }
      .compare td:first-child { background: var(--ink); color: var(--white); }
      .compare-wrap { overflow: visible; }
    }
    @media (max-width: 520px) {
      .grid-6, .stats, .news-grid { grid-template-columns: 1fr; }
      .hero-actions .btn, .dock .btn { width: auto; }
      .logo-text { font-size: 16px; }
      .kpi { min-width: calc(50% - 8px); }
      .case-pics { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      * { transition: none !important; animation: none !important; }
    }