/* roulang page: index */
:root {
      --c-primary: #1B6B63;
      --c-primary-deep: #155851;
      --c-ink: #0F3D39;
      --c-title: #2C3338;
      --c-accent: #B8864A;
      --c-accent-deep: #9A6F38;
      --c-bg: #F7F4EF;
      --c-alt: #E8F1EE;
      --c-card: #FFFDF9;
      --c-dark: #14221F;
      --c-line: #D9E2DE;
      --c-text: #1C2422;
      --c-muted: #5C6B67;
      --c-light: #F4EFE6;
      --radius: 10px;
      --radius-sm: 8px;
      --shadow: 0 8px 24px rgba(20, 34, 31, .06);
      --shadow-hover: 0 10px 26px rgba(20, 34, 31, .09);
      --space: 24px;
      --header-main: 72px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 17px;
      line-height: 1.8;
      color: var(--c-text);
      background: var(--c-bg);
      overflow-x: hidden;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease); }
    a:hover { color: var(--c-ink); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { color: var(--c-title); font-weight: 650; letter-spacing: 0; margin: 0 0 .4em; line-height: 1.35; }
    h1 { font-size: clamp(28px, 4vw, 44px); color: #F7F4EF; }
    h2 { font-size: clamp(22px, 2.4vw, 30px); margin: 0 0 18px; }
    h3 { font-size: 18px; margin: 0 0 10px; }
    p { margin: 0 0 1em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
    .skip {
      position: absolute; left: 12px; top: -48px; z-index: 100;
      background: var(--c-primary); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm);
    }
    .skip:focus { top: 12px; color: #fff; }
    .container { width: min(1220px, calc(100% - 40px)); margin: 0 auto; }
    .kicker {
      display: inline-block; font-size: 12px; letter-spacing: .08em; color: var(--c-primary);
      border: 1px solid var(--c-line); background: #fff; border-radius: 8px; padding: 4px 10px; margin-bottom: 14px;
    }
    .lead { color: var(--c-muted); max-width: 42em; font-size: 16px; line-height: 1.8; margin-bottom: 1.1em; }
    .rule { width: 48px; height: 2px; background: var(--c-primary); margin: 0 0 28px; border: 0; }
    .section { padding: 88px 0 72px; background: var(--c-bg); }
    .section-alt { background: var(--c-alt); }
    .section-head { margin-bottom: 36px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
      border: 1px solid transparent; transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease), box-shadow var(--ease);
    }
    .btn:active { transform: translateY(1px); }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover, .btn-primary:focus-visible { background: var(--c-primary-deep); color: #fff; }
    .btn-ghost { background: transparent; color: #F7F4EF; border-color: rgba(247,244,239,.55); }
    .btn-ghost:hover { background: rgba(247,244,239,.12); color: #fff; }
    .btn-line { background: transparent; color: var(--c-accent-deep); border-color: var(--c-accent); }
    .btn-line:hover { background: rgba(184,134,74,.08); color: var(--c-accent-deep); }
    .btn-light { background: var(--c-light); color: var(--c-ink); }
    .btn-light:hover { background: #efe6d6; color: var(--c-ink); }
    .btn-sm { min-height: 36px; padding: 0 14px; font-size: 13px; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 0 10px;
      border: 1px solid var(--c-accent); color: var(--c-accent-deep); border-radius: 8px; font-size: 13px; background: #fff;
    }
    .site-header { position: relative; z-index: 80; }
    .topbar { background: var(--c-alt); border-bottom: 1px solid var(--c-line); font-size: 13px; color: var(--c-muted); }
    .topbar-inner { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .topbar-left { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
    .topbar a { color: var(--c-text); }
    .topbar a:hover { color: var(--c-primary); }
    .pill { display: inline-flex; align-items: center; padding: 0 8px; height: 22px; border: 1px solid var(--c-line); border-radius: 6px; color: var(--c-ink); background: #fff; font-size: 12px; }
    .nav-main { background: var(--c-bg); border-bottom: 1px solid var(--c-line); }
    .nav-main.is-stuck { position: sticky; top: 0; z-index: 70; box-shadow: var(--shadow); background: #FFFDF9; }
    .nav-inner { min-height: var(--header-main); display: flex; align-items: center; gap: 24px; }
    .logo { display: flex; flex-direction: column; line-height: 1.15; color: var(--c-ink); min-width: 148px; }
    .logo:hover { color: var(--c-primary); }
    .logo-brand { font-size: 18px; font-weight: 700; }
    .logo-sub { font-size: 12px; color: var(--c-primary); font-weight: 600; margin-top: 3px; }
    .menu { display: flex; align-items: center; justify-content: center; gap: 6px 18px; flex: 1; }
    .menu a { color: var(--c-title); font-size: 15px; padding: 8px 0; box-shadow: inset 0 -2px 0 transparent; font-weight: 500; }
    .menu a:hover { color: var(--c-primary); }
    .menu a.is-active { color: var(--c-primary); font-weight: 700; box-shadow: inset 0 -2px 0 var(--c-primary); }
    .nav-cta { margin-left: auto; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--c-line); position: relative; margin-left: auto;
    }
    .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
      position: absolute; left: 12px; width: 18px; height: 2px; background: var(--c-title); content: "";
    }
    .nav-toggle span { top: 21px; }
    .nav-toggle span::before { top: -6px; }
    .nav-toggle span::after { top: 6px; }
    .drawer-backdrop { display: none; }
    .hero { position: relative; min-height: 640px; overflow: hidden; background: var(--c-dark); }
    .hero-viewport { position: relative; min-height: 640px; }
    .hero-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .6s ease; }
    .hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask { position: absolute; inset: 0; background: rgba(20, 34, 31, .38); }
    .hero-slash {
      position: absolute; inset: 0 auto 0 0; width: min(72%, 920px);
      background: linear-gradient(108deg, rgba(15, 61, 57, .94) 0%, rgba(20, 34, 31, .82) 62%, rgba(20, 34, 31, .08) 100%);
      clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
    }
    .hero-content { position: relative; z-index: 2; padding: 108px 0 120px; max-width: 680px; color: #EDE6D8; }
    .hero-brand { font-size: 14px; color: #D6C09A; margin-bottom: 12px; font-weight: 600; }
    .hero-title { font-size: clamp(26px, 3.6vw, 40px); color: #F7F4EF; font-weight: 700; line-height: 1.32; margin: 0 0 16px; }
    .hero-lead { font-size: 16px; line-height: 1.85; color: #E7E1D6; max-width: 38em; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-controls { position: absolute; right: max(20px, calc((100% - 1220px) / 2)); bottom: 28px; z-index: 3; display: flex; align-items: center; gap: 10px; }
    .hero-navbtn, .hero-pause {
      width: 44px; height: 44px; border-radius: 10px; border: 1px solid rgba(247,244,239,.35);
      color: #fff; background: rgba(20,34,31,.45); font-size: 18px;
    }
    .hero-navbtn:hover, .hero-pause:hover { background: var(--c-primary); border-color: var(--c-primary); }
    .hero-dots { display: flex; gap: 8px; margin-left: 6px; }
    .hero-dots button { width: 10px; height: 10px; border-radius: 50%; background: rgba(247,244,239,.4); }
    .hero-dots button.is-active { background: var(--c-accent); }
    .pain-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: start; }
    .pain-cover { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--c-line); }
    .pain-cover img { width: 100%; height: 280px; object-fit: cover; }
    .issue-list { display: grid; gap: 12px; }
    .issue {
      display: grid; grid-template-columns: 52px 1fr; gap: 14px; padding: 18px 18px 16px;
      background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .issue:hover { transform: translateY(-2px); border-color: var(--c-primary); box-shadow: var(--shadow-hover); }
    .issue-no { font-size: 20px; font-weight: 700; color: var(--c-accent); line-height: 1.2; }
    .solution-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: center; }
    .solution-visual { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-line); box-shadow: var(--shadow); }
    .solution-visual img { width: 100%; height: 420px; object-fit: cover; }
    .badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
    .std-row { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; color: var(--c-muted); font-size: 14px; }
    .std-row strong { color: var(--c-title); font-weight: 650; }
    .timeline { list-style: none; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 8px; right: 8px; top: 23px; height: 1px; background: var(--c-line);
    }
    .t-item { position: relative; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px 16px 18px; }
    .t-no { width: 28px; height: 28px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
    .t-out { margin-top: 10px; font-size: 13px; color: var(--c-accent-deep); }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .adv-card {
      background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow); transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .adv-card:hover { transform: translateY(-3px); border-color: var(--c-primary); box-shadow: var(--shadow-hover); }
    .adv-card img { width: 100%; height: 168px; object-fit: cover; }
    .adv-body { padding: 18px 18px 20px; }
    .metric { display: inline-block; margin-top: 10px; color: var(--c-accent-deep); font-size: 13px; font-weight: 650; }
    .prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .prod-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; min-height: 520px; }
    .prod-card img { width: 100%; height: 220px; object-fit: cover; }
    .prod-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
    .prod-body h3 { font-size: 20px; }
    .cap-list { list-style: none; margin: 8px 0 20px; }
    .cap-list li { position: relative; padding: 8px 0 8px 16px; border-bottom: 1px solid var(--c-line); font-size: 15px; color: var(--c-text); }
    .cap-list li::before { content: ""; position: absolute; left: 0; top: 16px; width: 6px; height: 6px; background: var(--c-primary); border-radius: 1px; }
    .prod-body .btn { margin-top: auto; align-self: flex-start; }
    .cases { background: var(--c-dark); color: #E8E2D6; padding: 88px 0 76px; }
    .cases h2, .cases h3 { color: #F7F4EF; }
    .cases-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; }
    .cases-list { display: grid; gap: 0; }
    .case-item { padding: 22px 0; border-top: 1px solid rgba(217,226,222,.2); }
    .case-item:last-child { border-bottom: 1px solid rgba(217,226,222,.2); }
    .case-label { font-size: 12px; letter-spacing: .12em; color: #D6C09A; margin-bottom: 4px; }
    .case-result { color: #E8C98A; font-weight: 650; }
    .story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .story {
      display: grid; grid-template-columns: 180px 1fr; gap: 0; background: var(--c-card);
      border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
    .story-body { padding: 24px 24px 26px; }
    .who { font-size: 13px; color: var(--c-primary); font-weight: 650; margin-bottom: 8px; }
    .stats { background: var(--c-alt); }
    .stat-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; border: 1px solid var(--c-line); border-radius: 12px; background: var(--c-card); padding: 28px 12px; }
    .stat { text-align: center; padding: 8px; }
    .stat b { display: block; font-size: 36px; line-height: 1.1; color: var(--c-accent); font-weight: 700; }
    .stat span { display: block; margin-top: 8px; color: var(--c-muted); font-size: 14px; }
    .quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .quote { background: var(--c-card); border: 1px solid var(--c-line); border-left: 3px solid var(--c-primary); border-radius: 0 10px 10px 0; padding: 22px 22px 20px; }
    .quote p { color: var(--c-text); }
    .quote footer { margin-top: 14px; color: var(--c-muted); font-size: 14px; }
    .quote footer strong { color: var(--c-title); font-weight: 650; }
    .aud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .aud {
      background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px 22px 20px;
      transition: transform var(--ease), border-color var(--ease);
    }
    .aud:hover { transform: translateY(-2px); border-color: var(--c-primary); }
    .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
    .tags span { font-size: 12px; color: var(--c-muted); border: 1px solid var(--c-line); border-radius: 6px; padding: 2px 8px; }
    .scene-list { display: grid; gap: 12px; }
    .scene {
      display: grid; grid-template-columns: 220px 1fr auto; gap: 24px; align-items: center;
      background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 18px 20px;
    }
    .scene img { width: 220px; height: 110px; object-fit: cover; border-radius: 8px; }
    .scene ul { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--c-muted); font-size: 14px; }
    .scene ul li { position: relative; padding-left: 12px; }
    .scene ul li::before { content: ""; width: 5px; height: 5px; background: var(--c-primary); position: absolute; left: 0; top: 9px; }
    .sec-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
    .principle { list-style: none; display: grid; gap: 10px; }
    .principle li { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 16px 18px; }
    .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 8px; }
    .flow div { background: var(--c-ink); color: #F7F4EF; border-radius: 8px; padding: 16px 12px; font-size: 14px; min-height: 92px; }
    .flow b { display: block; color: #E8C98A; font-size: 12px; margin-bottom: 6px; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
    .news-card img { width: 100%; height: 140px; object-fit: cover; }
    .news-card div { padding: 16px 16px 18px; }
    .news-card time { font-size: 12px; color: var(--c-muted); }
    .more-link { margin-top: 22px; }
    .metric-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
    .dim { display: grid; gap: 12px; }
    .dim article { border-bottom: 1px solid var(--c-line); padding-bottom: 12px; }
    .bars { display: grid; gap: 14px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: 12px; padding: 22px; }
    .bar-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; font-size: 14px; }
    .bar { height: 8px; background: #E4EBE8; border-radius: 99px; overflow: hidden; grid-column: 1 / -1; }
    .bar i { display: block; height: 100%; background: var(--c-primary); border-radius: 99px; }
    .bar-row b { color: var(--c-accent); font-variant-numeric: tabular-nums; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 48px 14px 18px; position: relative; color: var(--c-title); font-weight: 650;
    }
    .faq-item button::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--c-primary); font-size: 20px; }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .faq-panel { display: none; padding: 0 18px 18px; background: var(--c-bg); color: var(--c-text); }
    .faq-item.is-open .faq-panel { display: block; }
    .contact { background: var(--c-alt); }
    .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: start; }
    .value-list { list-style: none; display: grid; gap: 12px; }
    .value-list li { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 16px 18px; }
    .value-list strong { display: block; color: var(--c-title); margin-bottom: 4px; }
    .form-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: 12px; padding: 26px; box-shadow: var(--shadow); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 14px; color: var(--c-title); font-weight: 600; }
    .field input, .field select, .field textarea {
      min-height: 44px; border: 1px solid var(--c-line); border-radius: 8px; background: #fff; padding: 8px 12px; color: var(--c-text);
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-primary); outline: none; box-shadow: 0 0 0 3px rgba(27,107,99,.12); }
    .field.is-error input, .field.is-error select, .field.is-error textarea { border-color: var(--c-accent); }
    .err { display: none; color: var(--c-accent-deep); font-size: 12px; }
    .field.is-error .err { display: block; }
    .form-note { margin-top: 12px; font-size: 13px; color: var(--c-muted); }
    .form-success { display: none; margin-top: 14px; padding: 12px 14px; background: #E8F1EE; color: var(--c-primary-deep); border: 1px solid var(--c-primary); border-radius: 8px; }
    .form-success.is-show { display: block; }
    .site-footer { background: var(--c-ink); color: #C9D4D0; padding: 56px 0 24px; }
    .foot-grid { display: grid; grid-template-columns: 1.2fr .9fr 1.1fr .9fr; gap: 28px; margin-bottom: 36px; }
    .site-footer h3 { color: #F7F4EF; font-size: 16px; }
    .site-footer a { color: #C9D4D0; }
    .site-footer a:hover { color: #F7F4EF; }
    .foot-logo { color: #F7F4EF; display: block; margin-bottom: 10px; }
    .foot-logo span { display: block; }
    .foot-logo .s { color: #B7D4CE; font-size: 13px; margin-top: 4px; }
    .foot-map, .foot-list { list-style: none; display: grid; gap: 8px; }
    .copy { border-top: 1px solid rgba(217,226,222,.16); padding-top: 18px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: #9AA8A4; }
    @media (max-width: 1200px) {
      .timeline { grid-template-columns: repeat(3, 1fr); }
      .timeline::before { display: none; }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .scene { grid-template-columns: 180px 1fr; }
      .scene .btn { grid-column: 2; justify-self: start; }
    }
    @media (max-width: 992px) {
      .menu, .nav-cta { display: none; }
      .nav-toggle { display: inline-flex; }
      .drawer-backdrop.is-open { display: block; position: fixed; inset: 0; background: rgba(20,34,31,.45); z-index: 90; }
      .menu.is-open {
        display: flex; flex-direction: column; align-items: stretch; position: fixed; top: 0; right: 0; height: 100vh;
        width: min(86vw, 360px); background: #FFFDF9; z-index: 95; padding: 84px 24px 24px; gap: 4px;
        box-shadow: -8px 0 24px rgba(20,34,31,.12); overflow: auto;
      }
      .menu.is-open a { padding: 12px 0; min-height: 44px; border-bottom: 1px solid var(--c-line); }
      .menu.is-open .drawer-cta { margin-top: 16px; display: flex; }
      .pain-grid, .solution-grid, .cases-grid, .story-grid, .sec-grid, .metric-grid, .contact-grid, .aud-grid { grid-template-columns: 1fr; }
      .story { grid-template-columns: 1fr; }
      .story img { height: 200px; min-height: 0; }
      .adv-grid { grid-template-columns: 1fr 1fr; }
      .prod-grid { grid-template-columns: 1fr; }
      .prod-card { min-height: 0; }
      .prod-card img { height: 200px; }
      .stat-bar { grid-template-columns: 1fr 1fr; }
      .quote-grid { grid-template-columns: 1fr; }
      .flow { grid-template-columns: 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .hero-slash { width: 88%; clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%); }
      .solution-visual img { height: 320px; }
    }
    @media (max-width: 768px) {
      body { font-size: 16px; }
      .container { width: min(1220px, calc(100% - 28px)); }
      .section, .cases { padding: 64px 0 52px; }
      .topbar-left span.hide-sm, .topbar-left a.hide-sm { display: none; }
      .hero, .hero-viewport { min-height: 560px; }
      .hero-content { padding: 84px 0 108px; }
      .timeline { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .scene { grid-template-columns: 1fr; padding: 16px; }
      .scene img { width: 100%; height: 160px; }
      .scene .btn { grid-column: 1; }
      .news-grid { grid-template-columns: 1fr; }
      .adv-grid { grid-template-columns: 1fr; }
      .stat-bar { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 375px) {
      .hero-actions { width: 100%; }
      .hero-actions .btn { width: 100%; }
      .hero-controls { left: 14px; right: 14px; justify-content: space-between; }
      h1, .hero-title { font-size: 26px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }