/* roulang page: index */
:root {
      --c-primary: #2F4A46;
      --c-primary-deep: #243936;
      --c-accent: #C4843A;
      --c-accent-deep: #A36B2C;
      --bg: #F3F0E8;
      --surface: #FFFDF8;
      --bg-dark: #1B1E1C;
      --bg-dark-2: #141716;
      --line: #D9D3C7;
      --ink: #1C1F1D;
      --muted: #5E675F;
      --cream: #E8E4DA;
      --ok: #2F6B4F;
      --err: #A33B32;
      --radius: 14px;
      --radius-sm: 8px;
      --radius-xs: 4px;
      --shadow: 0 8px 24px rgba(28, 31, 29, .06);
      --shadow-hover: 0 12px 28px rgba(28, 31, 29, .10);
      --space: 24px;
      --container: 1240px;
      --header-h: 108px;
      --ease: cubic-bezier(.22, .71, .21, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.8;
      font-weight: 400;
      font-size: 16px;
      overflow-x: hidden;
    }
    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, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    table { border-collapse: collapse; }
    :focus { outline: none; }
    :focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 0;
    }
    .skip:focus { left: 16px; top: 16px; z-index: 80; background: #fff; padding: 8px 12px; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 22px; border-radius: 10px;
      font-weight: 600; letter-spacing: .02em; line-height: 1.2;
      transition: background .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
    }
    .btn-primary {
      background: var(--c-primary); color: #F4F0E6; box-shadow: var(--shadow);
    }
    .btn-primary:hover, .btn-primary:active { background: var(--c-primary-deep); transform: translateY(-2px); }
    .btn-ghost {
      background: transparent; color: var(--cream); border: 1px solid rgba(196, 132, 58, .85); color: #F0D7B0;
    }
    .btn-ghost:hover { background: rgba(196, 132, 58, .14); transform: translateY(-2px); }
    .btn-line {
      background: transparent; color: var(--c-primary); border: 1px solid var(--c-accent);
    }
    .btn-line:hover { background: rgba(196, 132, 58, .1); transform: translateY(-2px); }
    .btn-block { width: 100%; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 24px; padding: 2px 8px; border-radius: var(--radius-xs);
      background: rgba(47, 74, 70, .08); color: var(--c-primary); font-size: 12px; font-weight: 600;
      letter-spacing: .04em;
    }
    .badge-accent { background: rgba(196, 132, 58, .14); color: var(--c-accent-deep); }
    .badge-dark { background: rgba(232, 228, 218, .1); color: var(--cream); }

    .topbar {
      background: var(--c-primary-deep);
      color: var(--cream);
      font-size: 12px;
      min-height: 36px;
      display: flex; align-items: center;
      border-bottom: 1px solid rgba(232, 228, 218, .08);
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(100% - 40px, var(--container)); margin: 0 auto;
      flex-wrap: wrap; padding: 6px 0;
    }
    .topbar a { color: var(--cream); }
    .topbar a:hover { color: #F0D7B0; }
    .top-meta { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
    .trust { display: flex; gap: 8px; flex-wrap: wrap; }
    .trust span {
      border: 1px solid rgba(232, 228, 218, .22); border-radius: 4px; padding: 2px 8px; color: #D9C8A6;
    }

    .site-header {
      position: sticky; top: 0; z-index: 40; background: rgba(243, 240, 232, .92);
      backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
      transition: box-shadow .2s var(--ease);
    }
    .site-header.is-stuck { box-shadow: var(--shadow); }
    .site-header.is-stuck .topbar { display: none; }
    .nav-row {
      display: flex; align-items: center; justify-content: space-between; gap: 18px;
      min-height: 72px;
    }
    .brand {
      display: flex; align-items: center; gap: 10px; min-height: 44px; flex-shrink: 0;
    }
    .brand-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: var(--c-primary); color: var(--cream);
      display: grid; place-items: center;
    }
    .brand-name { font-weight: 700; font-size: 18px; color: var(--c-primary); letter-spacing: .04em; }
    .brand-sub { display: block; font-size: 11px; color: var(--muted); font-weight: 400; margin-top: -2px; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative; padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
      color: var(--muted); font-size: 14px; font-weight: 600;
    }
    .nav-links a:hover { color: var(--c-primary); }
    .nav-links a.is-active { color: var(--c-primary); }
    .nav-links a.is-active::after,
    .nav-links a:hover::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px; background: var(--c-accent);
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--line);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--c-primary); display: block; }

    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--surface);
      transform: translateX(104%); transition: transform .24s var(--ease);
      z-index: 50; box-shadow: var(--shadow-hover); overflow-y: auto; padding: 24px 20px 40px;
    }
    .drawer.open { transform: translateX(0); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(27, 30, 28, .46); opacity: 0; pointer-events: none;
      transition: opacity .2s var(--ease); z-index: 45;
    }
    .drawer-mask.open { opacity: 1; pointer-events: auto; }
    .drawer a { display: flex; align-items: center; min-height: 48px; border-bottom: 1px solid var(--line); font-weight: 600; color: var(--c-primary); }
    .drawer .btn { margin-top: 18px; }

    .hero { position: relative; min-height: calc(100svh - 36px); color: var(--cream); overflow: hidden; background: var(--bg-dark); }
    .hero-track { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .6s var(--ease); pointer-events: none;
    }
    .hero-slide.is-on { opacity: 1; pointer-events: auto; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover; filter: saturate(.86) contrast(1.05);
    }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(20, 23, 22, .78) 0%, rgba(20, 23, 22, .42) 48%, rgba(20, 23, 22, .18) 100%),
                  linear-gradient(180deg, rgba(20, 23, 22, .18) 0%, rgba(20, 23, 22, .62) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; padding: 88px 0 140px;
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      max-width: 760px;
    }
    .flag-kicker {
      display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #F0D7B0; margin-bottom: 16px; font-weight: 600;
    }
    .flag-kicker::before { content: ""; width: 18px; height: 2px; background: var(--c-accent); }
    .hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.25; letter-spacing: .03em; max-width: 16em; }
    .hero .lead {
      margin-top: 18px; font-size: 16px; line-height: 1.85; color: var(--cream); max-width: 40em;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .series-bar {
      position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
      background: rgba(20, 23, 22, .72); border-top: 1px solid rgba(232, 228, 218, .12);
      backdrop-filter: blur(8px);
    }
    .series-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; gap: 8px; min-height: 64px; overflow-x: auto;
    }
    .series-inner a {
      flex: 0 0 auto; color: var(--cream); font-size: 13px; font-weight: 600; padding: 10px 12px; min-height: 44px;
      display: inline-flex; align-items: center; border-bottom: 2px solid transparent;
    }
    .series-inner a:hover, .series-inner a:focus-visible { border-bottom-color: var(--c-accent); color: #F0D7B0; }
    .hero-nav-btn {
      position: absolute; top: 46%; z-index: 3; width: 44px; height: 44px; border-radius: 50%;
      border: 1px solid rgba(232, 228, 218, .28); color: var(--cream); background: rgba(27, 30, 28, .35);
    }
    .hero-prev { left: 16px; }
    .hero-next { right: 16px; }
    .hero-dots {
      position: absolute; right: 28px; top: 46%; z-index: 3; display: flex; flex-direction: column; gap: 8px;
    }
    .hero-dots button {
      width: 22px; height: 3px; background: rgba(232, 228, 218, .35); border-radius: 2px;
    }
    .hero-dots button.is-on { background: var(--c-accent); width: 28px; }

    main section { padding: 104px 0; }
    .sec-head { max-width: 760px; margin-bottom: 36px; }
    .sec-head h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; line-height: 1.3; letter-spacing: .03em; color: var(--c-primary); }
    .sec-head p { margin-top: 14px; color: var(--muted); line-height: 1.85; }
    .sec-alt { background: #EFEBE1; }
    .sec-dark { background: var(--bg-dark); color: var(--cream); }
    .sec-dark .sec-head h2 { color: var(--cream); }
    .sec-dark .sec-head p { color: #C9C4B8; }

    .split { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: center; }
    .split-media { position: relative; }
    .split-media img { width: 100%; height: 460px; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); }
    .spec-list { margin-top: 20px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line);
      font-size: 14px;
    }
    .spec-list strong { color: var(--c-primary); }

    .catalog-grid { display: grid; grid-template-columns: 1.4fr .9fr .9fr; gap: 18px; }
    .catalog-card {
      background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
      box-shadow: var(--shadow); min-height: 100%; display: flex; flex-direction: column;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .catalog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .catalog-card img { height: 180px; width: 100%; object-fit: cover; }
    .catalog-card.featured img { height: 260px; }
    .catalog-body { padding: 18px 18px 22px; }
    .catalog-body h3 { font-size: 18px; font-weight: 700; color: var(--c-primary); }
    .catalog-body p { margin-top: 8px; color: var(--muted); font-size: 14px; }
    .catalog-body a { display: inline-flex; margin-top: 12px; color: var(--c-accent-deep); font-weight: 600; font-size: 14px; min-height: 44px; align-items: center; }
    .catalog-body a:hover { text-decoration: underline; text-underline-offset: 4px; }

    .bento { display: grid; grid-template-columns: 1.35fr .85fr; gap: 18px; }
    .scene-main {
      position: relative; min-height: 460px; border-radius: 16px; overflow: hidden; color: var(--cream);
    }
    .scene-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .scene-main .cap {
      position: absolute; inset: auto 0 0 0; padding: 28px; background: linear-gradient(180deg, transparent, rgba(20,23,22,.82));
    }
    .scene-main h3 { font-size: 24px; font-weight: 700; }
    .scene-main p { margin-top: 8px; color: var(--cream); max-width: 36em; }
    .scene-main a { display: inline-flex; margin-top: 14px; color: #F0D7B0; font-weight: 600; min-height: 44px; align-items: center; }
    .scene-list { display: grid; gap: 12px; }
    .scene-item {
      background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 16px 16px 18px;
      display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center;
      min-height: 96px; transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .scene-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
    .ico {
      width: 28px; height: 28px; color: var(--c-primary);
    }
    .scene-item h3 { font-size: 16px; font-weight: 700; color: var(--c-primary); }
    .scene-item p { font-size: 13px; color: var(--muted); line-height: 1.7; }
    .scene-item span { color: var(--c-accent); font-size: 18px; }

    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .card-adv {
      background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px;
      box-shadow: var(--shadow); min-height: 220px; transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .card-adv:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .card-adv h3 { margin: 12px 0 8px; font-size: 17px; color: var(--c-primary); }
    .card-adv p { color: var(--muted); font-size: 14px; }

    .prod-stage { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
    .prod-main, .prod-side .prod-card {
      background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow);
    }
    .prod-main { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 100%; }
    .prod-main img, .prod-card img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
    .prod-body { padding: 22px; }
    .prod-body h3 { font-size: 20px; color: var(--c-primary); font-weight: 700; }
    .prod-body .tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 12px; }
    .param { margin: 10px 0 16px; }
    .param li { font-size: 14px; color: var(--muted); padding: 4px 0 4px 14px; position: relative; }
    .param li::before { content: ""; width: 6px; height: 6px; border-radius: 1px; background: var(--c-accent); position: absolute; left: 0; top: 12px; }
    .prod-side { display: grid; gap: 18px; }
    .prod-card { display: grid; grid-template-columns: 140px 1fr; }
    .prod-card .prod-body { padding: 16px 16px 16px 8px; }
    .prod-card h3 { font-size: 16px; }
    .recommend {
      margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
      padding: 16px; border: 1px dashed var(--line); border-radius: 12px; background: rgba(47, 74, 70, .03);
    }
    .recommend b { color: var(--c-primary); margin-right: 6px; }
    .recommend a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--c-primary); }
    .recommend a:hover { border-color: var(--c-accent); color: var(--c-accent-deep); }

    .timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: var(--line);
    }
    .step {
      position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px 16px;
      min-height: 180px;
    }
    .step em {
      display: inline-flex; width: 28px; height: 28px; border-radius: 50%; background: var(--c-accent); color: #fff;
      font-style: normal; font-size: 12px; font-weight: 700; align-items: center; justify-content: center; position: relative; z-index: 1;
    }
    .step h3 { margin: 12px 0 8px; font-size: 15px; color: var(--c-primary); }
    .step p { font-size: 13px; color: var(--muted); }

    .mod-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
    .bars { display: grid; gap: 14px; margin-top: 18px; }
    .bar { }
    .bar span { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
    .bar i { display: block; height: 8px; background: #E4DDD0; border-radius: 99px; margin-top: 6px; overflow: hidden; font-style: normal; }
    .bar i b { display: block; height: 100%; background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); border-radius: 99px; }
    .mod-wrap img { width: 100%; height: 420px; object-fit: cover; border-radius: 16px; }

    .case-wall { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
    .case-big, .case-stack article {
      border-radius: 8px; overflow: hidden; position: relative; color: var(--cream);
    }
    .case-big { min-height: 420px; }
    .case-big img, .case-stack img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .case-big .txt, .case-stack .txt {
      position: relative; z-index: 1; padding: 24px; background: linear-gradient(180deg, transparent 20%, rgba(16,18,17,.86));
      min-height: 100%; display: flex; flex-direction: column; justify-content: flex-end;
    }
    .case-stack { display: grid; gap: 18px; }
    .case-stack article { min-height: 201px; }
    .metric { display: flex; gap: 16px; margin-top: 10px; flex-wrap: wrap; }
    .metric b { display: block; font-size: 20px; color: #F0D7B0; font-variant-numeric: tabular-nums; }
    .metric span { font-size: 12px; color: #C9C4B8; }

    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .story {
      background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow);
    }
    .story img { height: 168px; width: 100%; object-fit: cover; }
    .story .pad { padding: 18px; }
    .story blockquote { font-size: 15px; color: var(--ink); line-height: 1.85; }
    .story cite { display: block; margin-top: 12px; font-style: normal; color: var(--muted); font-size: 13px; }

    .stats {
      background: var(--c-primary); color: var(--cream); padding: 56px 0;
    }
    .stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .stat b {
      display: block; font-size: clamp(28px, 4vw, 40px); font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: .02em; color: #F0D7B0;
    }
    .stat small { font-size: 13px; color: #D5D0C4; }
    .stat em { font-style: normal; font-size: 14px; margin-left: 4px; color: #E8E4DA; }

    .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .review {
      background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; min-height: 210px;
    }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 13px; }
    .review p { margin: 10px 0 16px; font-size: 14px; color: var(--ink); }
    .review strong { display: block; font-size: 14px; color: var(--c-primary); }
    .review span { font-size: 12px; color: var(--muted); }

    .news-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; }
    .news-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
    .news-card img { height: 160px; width: 100%; object-fit: cover; }
    .news-card.wide img { height: 220px; }
    .news-card .pad { padding: 16px 18px 20px; }
    .news-card time { font-size: 12px; color: var(--muted); }
    .news-card h3 { margin: 6px 0 8px; font-size: 16px; color: var(--c-primary); }
    .news-card p { font-size: 14px; color: var(--muted); }
    .news-more { margin-top: 18px; }

    .share-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: start; }
    .file-list li {
      display: flex; justify-content: space-between; gap: 12px; align-items: center;
      padding: 14px 0; border-bottom: 1px solid var(--line); min-height: 64px;
    }
    .file-list strong { display: block; color: var(--c-primary); }
    .file-list span { font-size: 13px; color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
    .tag-cloud a {
      min-height: 44px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
      font-size: 13px; font-weight: 600; color: var(--c-primary); display: inline-flex; align-items: center;
    }
    .tag-cloud a:hover { border-color: var(--c-accent); color: var(--c-accent-deep); }

    .partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .partner {
      min-height: 86px; border: 1px solid var(--line); border-radius: 12px; background: #E7E2D6;
      display: grid; place-items: center; text-align: center; padding: 12px; color: #6B736C; font-weight: 700; font-size: 14px;
      filter: grayscale(1); transition: filter .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
    }
    .partner:hover { filter: none; background: var(--surface); color: var(--c-primary); }
    .channel {
      margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    .channel article {
      background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
    }
    .channel h3 { font-size: 16px; color: var(--c-primary); margin-bottom: 8px; }
    .channel p { font-size: 14px; color: var(--muted); }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; padding: 16px 48px 16px 18px; min-height: 56px; position: relative; font-weight: 700; color: var(--c-primary);
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--c-accent); font-size: 20px;
    }
    .faq-item.open button::after { content: "–"; }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--muted); font-size: 14px; }
    .faq-item.open .ans { display: block; }

    .support { padding: 28px 0 8px; }
    .support-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .support-item {
      border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 16px; display: flex; gap: 12px; align-items: flex-start;
    }
    .support-item h3 { font-size: 15px; color: var(--c-primary); }
    .support-item p { font-size: 13px; color: var(--muted); }

    .contact { background: var(--bg-dark-2); color: var(--cream); padding: 96px 0; }
    .contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start; }
    .contact h2 { color: var(--cream); font-size: clamp(22px, 3vw, 32px); }
    .contact .desc { margin: 14px 0 22px; color: #C9C4B8; max-width: 36em; }
    .contact-meta { display: grid; gap: 8px; color: var(--cream); font-size: 14px; }
    .contact-meta a:hover { color: #F0D7B0; }
    .form {
      background: #222623; border: 1px solid rgba(232, 228, 218, .1); border-radius: 16px; padding: 22px;
    }
    .form-row { margin-bottom: 14px; }
    .form label { display: block; margin-bottom: 6px; font-size: 13px; color: #D5D0C4; }
    .form input, .form select, .form textarea {
      width: 100%; min-height: 44px; border-radius: 10px; border: 1px solid #3A403C; background: #1A1D1B; color: var(--cream); padding: 10px 12px;
    }
    .form textarea { min-height: 110px; resize: vertical; }
    .form input:focus, .form select:focus, .form textarea:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(196, 132, 58, .18); }
    .form .err { color: #E7A39C; font-size: 12px; margin-top: 4px; display: none; }
    .form .is-invalid { border-color: var(--err); }
    .form-ok { display: none; background: rgba(47, 107, 79, .2); color: #CDE7D6; padding: 12px; border-radius: 8px; margin-bottom: 12px; }

    .site-footer { background: #101211; color: #A8A49A; padding: 48px 0 24px; font-size: 13px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr 1fr; gap: 28px; }
    .site-footer a { color: #D5D0C4; }
    .site-footer a:hover { color: #F0D7B0; }
    .foot-brand { font-size: 16px; color: var(--cream); font-weight: 700; margin-bottom: 10px; }
    .foot-map { display: grid; gap: 8px; }
    .copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid #262926; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .privacy { margin-top: 10px; font-size: 12px; color: #8D897F; max-width: 70em; }

    @media (max-width: 1280px) {
      .prod-main { grid-template-columns: 1fr; }
      .prod-main img { height: 260px; min-height: 260px; }
    }
    @media (max-width: 1024px) {
      main section { padding: 80px 0; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .bento, .prod-stage, .mod-wrap, .case-wall, .share-grid, .contact-grid { grid-template-columns: 1fr; }
      .catalog-grid, .adv-grid, .story-grid, .news-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr 1fr 1fr; }
      .timeline::before { display: none; }
      .review-grid, .partner-grid, .channel, .support-row, .stat-row { grid-template-columns: 1fr 1fr; }
      .prod-card { grid-template-columns: 180px 1fr; }
      .hero-copy { padding-top: 64px; }
      .split-media img, .mod-wrap img { height: 340px; }
    }
    @media (max-width: 768px) {
      .container, .hero-copy, .topbar-inner, .series-inner { width: min(100% - 28px, var(--container)); }
      main section { padding: 64px 0; }
      .top-meta { gap: 10px; }
      .trust { display: none; }
      .catalog-grid, .adv-grid, .story-grid, .news-grid, .review-grid, .partner-grid, .channel, .support-row, .stat-row, .timeline { grid-template-columns: 1fr; }
      .prod-card { grid-template-columns: 1fr; }
      .prod-card img { height: 200px; min-height: 200px; }
      .hero { min-height: 640px; }
      .hero-dots { top: auto; bottom: 78px; right: 18px; flex-direction: row; }
      .hero-nav-btn { top: auto; bottom: 78px; }
      .split-media img { height: 240px; }
      .scene-main { min-height: 340px; }
      .scene-item { grid-template-columns: 32px 1fr; }
      .scene-item span { display: none; }
      .form { padding: 16px; }
      .foot-grid, .copy { grid-template-columns: 1fr; }
      .spec-list li { grid-template-columns: 1fr; gap: 4px; }
    }
    @media (max-width: 520px) {
      body { font-size: 15px; }
      .brand-name { font-size: 16px; }
      .hero-actions .btn { width: 100%; }
      .series-inner { padding: 8px 0 12px; }
    }