/* roulang page: index */
:root {
      --green: #2C6E63;
      --green-deep: #21564D;
      --green-soft: #E7F0ED;
      --tan: #8C5A3C;
      --tan-deep: #6B4330;
      --tan-hover: #3E5348;
      --paper: #F7F4EE;
      --white: #FFFDF8;
      --ink: #1A2422;
      --text: #1C1917;
      --muted: #5C574F;
      --ok: #3C7A5A;
      --seal: #C45C4A;
      --line: #E6DFD4;
      --shadow: 0 8px 18px rgba(26, 36, 34, .06);
      --shadow-hover: 0 10px 22px rgba(44, 110, 99, .12);
      --radius: 10px;
      --radius-sm: 7px;
      --space: 28px;
      --gap: 28px;
      --container: 1240px;
      --header-h: 108px;
      --z-header: 40;
      --z-drawer: 50;
      --z-overlay: 45;
      --serif: "Noto Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --mono: "IBM Plex Mono", "Noto Sans SC", monospace;
    }
    *, *::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:
        linear-gradient(180deg, rgba(247,244,238,.96), rgba(247,244,238,.96)),
        repeating-linear-gradient(135deg, rgba(140,90,60,.035) 0 2px, transparent 2px 10px);
      background-color: var(--paper);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }
    body.lock { overflow: hidden; }
    img { max-width: 100%; display: block; height: auto; }
    a { color: var(--green-deep); text-decoration: none; }
    a:hover { color: var(--tan); }
    button, input, textarea, select { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; color: var(--ink); letter-spacing: .02em; line-height: 1.28; margin: 0 0 .6em; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 3px solid rgba(44,110,99,.45); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--ink); color: #fff; padding: 8px 12px; z-index: 80;
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--tan); font-size: 13px; font-weight: 500; letter-spacing: .18em;
      text-transform: none; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--tan); }
    .lead { color: var(--muted); font-size: 16px; max-width: 46em; }
    .section { padding: 104px 0; position: relative; }
    .section--alt { background: var(--white); border-block: 1px solid var(--line); }
    .section-head { margin-bottom: 36px; max-width: 760px; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 28px; padding: 0 10px; border-radius: 999px;
      background: var(--green-soft); color: var(--green-deep); font-size: 12px; font-weight: 500;
    }
    .badge--seal { background: #F6E4E0; color: var(--seal); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-sm);
      border: 1px solid transparent; font-weight: 500; font-size: 15px;
      transition: .2s transform, .2s background, .2s border-color, .2s color, .2s box-shadow;
      white-space: nowrap;
    }
    .btn:active { transform: translateY(1px); }
    .btn-primary { background: var(--tan); color: #fff; }
    .btn-primary:hover { background: var(--tan-hover); color: #fff; box-shadow: var(--shadow-hover); }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,253,248,.45); }
    .btn-ghost:hover { background: rgba(255,253,248,.12); color: #fff; }
    .btn-line { background: var(--white); color: var(--green-deep); border-color: var(--line); }
    .btn-line:hover { border-color: var(--green); color: var(--green); transform: translateY(-3px); }
    .site-header {
      position: sticky; top: 0; z-index: var(--z-header);
      background: rgba(255,253,248,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: none;
      transition: box-shadow .2s, transform .2s;
    }
    .site-header.is-scrolled { box-shadow: 0 6px 16px rgba(26,36,34,.06); }
    .header-tool {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: 36px; background: #EFE8DC; color: var(--muted); font-size: 12.5px;
    }
    .header-tool .container { display: flex; align-items: center; justify-content: space-between; gap: 18px; width: min(100% - 40px, var(--container)); }
    .tool-left, .tool-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .tool-left a, .tool-right a { color: var(--muted); }
    .tool-left a:hover, .tool-right a:hover { color: var(--green-deep); }
    .header-main { background: var(--white); }
    .header-main .container {
      display: grid; grid-template-columns: auto 1fr auto;
      align-items: center; min-height: 72px; gap: 20px;
    }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--ink); min-height: 44px; }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: var(--green); color: var(--white);
      display: grid; place-items: center;
      font-family: var(--serif); font-weight: 700; font-size: 18px;
      box-shadow: inset 0 0 0 2px rgba(255,253,248,.25);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-family: var(--serif); font-size: 17px; }
    .logo-text span { font-size: 12px; color: var(--muted); font-weight: 400; }
    .nav-links { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
    .nav-links a {
      position: relative; color: var(--text); font-size: 14.5px; font-weight: 500;
      padding: 10px 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px;
      background: var(--green); transform: scaleX(0); transform-origin: left; transition: .2s transform;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--green-deep); }
    .nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .hamburger {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line);
      background: var(--white); border-radius: 8px; padding: 10px;
    }
    .hamburger span, .hamburger span::before, .hamburger span::after {
      display: block; height: 2px; background: var(--ink); border-radius: 2px; position: relative;
    }
    .hamburger span::before, .hamburger span::after { content: ""; position: absolute; left: 0; right: 0; }
    .hamburger span::before { top: -7px; }
    .hamburger span::after { top: 7px; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px);
      background: var(--white); z-index: var(--z-drawer);
      transform: translateX(100%); transition: transform .24s ease;
      box-shadow: -12px 0 30px rgba(26,36,34,.12); padding: 24px 20px;
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: none; }
    .drawer a {
      min-height: 48px; display: flex; align-items: center;
      border-bottom: 1px solid var(--line); color: var(--text); font-weight: 500;
    }
    .overlay {
      position: fixed; inset: 0; background: rgba(26,36,34,.36);
      opacity: 0; pointer-events: none; z-index: var(--z-overlay); transition: .2s opacity;
    }
    .overlay.is-open { opacity: 1; pointer-events: auto; }
    .hero { position: relative; min-height: calc(100vh - 108px); color: #fff; overflow: hidden; }
    .hero-track { position: relative; min-height: inherit; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .6s ease, visibility .6s;
    }
    .hero-slide.is-active { opacity: 1; visibility: visible; position: relative; }
    .hero-slide img {
      width: 100%; height: min(88vh, 820px); object-fit: cover; filter: saturate(.86);
    }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(26,36,34,.82) 0%, rgba(26,36,34,.55) 48%, rgba(26,36,34,.28) 100%);
      display: flex; align-items: flex-end;
    }
    .hero-copy { padding: 72px 0 88px; max-width: 760px; }
    .hero h1, .hero h2 { color: #fff; font-size: clamp(32px, 4.6vw, 52px); margin-bottom: 16px; }
    .hero .lead { color: rgba(255,253,248,.86); font-size: 16px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 26px; }
    .hero-metrics {
      display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px; background: rgba(230,223,212,.2); border: 1px solid rgba(230,223,212,.28);
      max-width: 720px;
    }
    .hero-metrics div { background: rgba(26,36,34,.28); padding: 12px 14px; }
    .hero-metrics b { display: block; font-family: var(--mono); font-size: 18px; color: #fff; }
    .hero-metrics span { font-size: 12px; color: rgba(255,253,248,.72); }
    .hero-nav, .hero-dots { position: absolute; z-index: 3; }
    .hero-nav {
      top: 50%; transform: translateY(-50%);
      width: 44px; height: 44px; border-radius: 8px;
      background: rgba(255,253,248,.14); color: #fff; border: 1px solid rgba(255,253,248,.28);
    }
    .hero-nav.prev { left: 16px; }
    .hero-nav.next { right: 16px; }
    .hero-nav:hover { background: rgba(140,90,60,.85); }
    .hero-dots { left: 50%; bottom: 22px; transform: translateX(-50%); display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 4px; border: 0; border-radius: 99px; background: rgba(255,253,248,.35);
    }
    .hero-dots button.is-active { background: #fff; }
    .intro-grid {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    }
    .intro-media { position: relative; }
    .intro-media img {
      width: 100%; height: 460px; object-fit: cover; border-radius: 12px;
      box-shadow: var(--shadow); border: 1px solid var(--line);
    }
    .intro-media figcaption {
      position: absolute; left: 18px; bottom: 18px; background: var(--white);
      padding: 10px 14px; border-radius: 8px; font-size: 13px; color: var(--muted);
      box-shadow: var(--shadow);
    }
    .fact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
    .fact {
      background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
    }
    .fact b { display: block; font-family: var(--mono); color: var(--green-deep); font-size: 18px; }
    .fact span { color: var(--muted); font-size: 13px; }
    .check-list { display: grid; gap: 10px; margin: 18px 0 22px; }
    .check-list li {
      position: relative; padding-left: 22px; color: var(--text);
    }
    .check-list li::before {
      content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 10px;
      border: 2px solid var(--green); border-radius: 2px; background: var(--green-soft);
    }
    .module-layout { display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: start; }
    .module-index {
      position: sticky; top: 128px; background: var(--white);
      border: 1px solid var(--line); border-radius: 12px; padding: 12px;
    }
    .module-index button {
      width: 100%; text-align: left; min-height: 48px; border: 0; background: transparent;
      padding: 10px 12px; border-radius: 8px; color: var(--muted); font-weight: 500;
    }
    .module-index button.is-active, .module-index button:hover {
      background: var(--green-soft); color: var(--green-deep);
    }
    .module-panel {
      display: none; background: var(--white); border: 1px solid var(--line);
      border-radius: 12px; padding: 28px; min-height: 360px;
    }
    .module-panel.is-active { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
    .module-panel img { height: 100%; min-height: 280px; object-fit: cover; border-radius: 10px; }
    .cap-list { display: grid; gap: 8px; margin: 16px 0 20px; }
    .cap-list li {
      background: var(--paper); border-left: 3px solid var(--green); padding: 10px 12px; border-radius: 0 8px 8px 0;
      font-size: 14.5px;
    }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .adv-card {
      background: var(--white); border: 1px solid var(--line); border-radius: 12px;
      padding: 24px; min-height: 210px; box-shadow: var(--shadow);
      transition: .2s transform, .2s border-color, .2s box-shadow;
    }
    .adv-card:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: var(--shadow-hover); }
    .adv-ico {
      width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center;
      background: var(--green-soft); color: var(--green-deep); margin-bottom: 14px; font-weight: 700;
    }
    .adv-card b { display: block; font-family: var(--mono); font-size: 28px; color: var(--green-deep); margin-bottom: 6px; }
    .scene-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 18px; }
    .scene-tabs button {
      min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line);
      background: var(--white); color: var(--muted); white-space: nowrap;
    }
    .scene-tabs button.is-active { background: var(--green); color: #fff; border-color: var(--green); }
    .scene-panel { display: none; background: var(--white); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
    .scene-panel.is-active { display: grid; grid-template-columns: 1.1fr .9fr; }
    .scene-panel img { height: 100%; min-height: 320px; object-fit: cover; }
    .scene-copy { padding: 28px; }
    .metric-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .metric-pills span { background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; }
    .suite-grid { display: grid; grid-template-columns: 1.45fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; }
    .suite-card {
      position: relative; overflow: hidden; border-radius: 12px; min-height: 230px; color: #fff;
      border: 1px solid var(--line); box-shadow: var(--shadow);
    }
    .suite-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .suite-card .shade {
      position: absolute; inset: 0; background: linear-gradient(180deg, rgba(26,36,34,.15), rgba(26,36,34,.78));
    }
    .suite-card .body { position: relative; z-index: 1; padding: 24px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
    .suite-card h3 { color: #fff; }
    .suite-card--lg { grid-row: 1 / span 2; min-height: 520px; }
    .demo-stage { display: grid; grid-template-columns: 1.3fr .7fr; gap: 28px; align-items: center; }
    .device-frame {
      background: var(--ink); border-radius: 14px; padding: 14px 14px 18px;
      box-shadow: var(--shadow);
    }
    .device-bar { display: flex; gap: 6px; margin-bottom: 10px; }
    .device-bar i { width: 8px; height: 8px; border-radius: 50%; background: #8C5A3C; display: block; }
    .device-bar i:nth-child(2) { background: #C45C4A; }
    .device-bar i:nth-child(3) { background: #3C7A5A; }
    .device-shots { display: grid; grid-template-columns: 1.4fr .8fr; gap: 10px; }
    .device-shots img { border-radius: 8px; height: 280px; object-fit: cover; width: 100%; }
    .step-bar { display: grid; gap: 12px; }
    .step {
      display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: start;
      background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 14px;
    }
    .step b {
      width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center;
      background: var(--green); color: #fff; font-family: var(--mono);
    }
    .audit-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 40px; align-items: center; }
    .audit-grid img { width: 100%; height: 420px; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); }
    .dark-band { background: var(--ink); color: rgba(255,253,248,.84); padding: 96px 0; }
    .dark-band h2, .dark-band h3 { color: #fff; }
    .impl-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; align-items: start; }
    .impl-cards { display: grid; gap: 14px; }
    .impl-card { background: rgba(255,253,248,.05); border: 1px solid rgba(230,223,212,.16); padding: 18px 20px; }
    .impl-card b { display: block; font-family: var(--mono); color: #E7D3C3; font-size: 22px; }
    .case-rail { display: grid; gap: 0; border-left: 2px solid var(--line); margin-left: 10px; }
    .case-item { position: relative; padding: 0 0 28px 28px; }
    .case-item::before {
      content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px;
      border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft);
    }
    .case-item article {
      background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px;
      display: grid; grid-template-columns: 160px 1fr auto; gap: 18px; align-items: center;
    }
    .case-item .when { font-family: var(--mono); color: var(--tan); font-size: 13px; }
    .story-layout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 28px; }
    .story-main {
      background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 32px;
      box-shadow: var(--shadow);
    }
    .quote-mark { font-family: var(--serif); font-size: 54px; color: var(--tan); line-height: 1; }
    .story-aside {
      background: var(--ink); color: rgba(255,253,248,.86); border-radius: 12px; padding: 28px;
    }
    .story-aside h3 { color: #fff; }
    .story-aside dt { color: #E7D3C3; font-size: 13px; margin-top: 14px; }
    .story-aside dd { margin: 4px 0 0; }
    .price-wrap { overflow-x: auto; }
    .price-table { width: 100%; min-width: 760px; border-collapse: separate; border-spacing: 0; background: var(--white); }
    .price-table th, .price-table td {
      border: 1px solid var(--line); padding: 16px 14px; text-align: left; vertical-align: top;
    }
    .price-table th { background: #F3EEE4; font-family: var(--serif); }
    .price-table td.rec { background: #F3F7F5; box-shadow: inset 0 4px 0 var(--green); position: relative; }
    .rec-badge {
      position: absolute; top: 10px; right: 10px; background: var(--seal); color: #fff;
      font-size: 12px; border-radius: 999px; padding: 3px 8px;
    }
    .price { font-family: var(--mono); font-size: 22px; color: var(--green-deep); }
    .stat-bar {
      background:
        repeating-linear-gradient(45deg, rgba(140,90,60,.04) 0 8px, transparent 8px 16px),
        #F3EEE4;
      padding: 48px 0; border-block: 1px solid var(--line);
    }
    .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
    .stat-item { padding: 10px 18px; border-right: 1px solid var(--line); }
    .stat-item:last-child { border-right: 0; }
    .stat-item b { display: block; font-family: var(--mono); font-size: 34px; color: var(--green-deep); line-height: 1.2; }
    .stat-item span { color: var(--muted); font-size: 14px; }
    .quote-wall { columns: 3; column-gap: 16px; }
    .quote-card {
      break-inside: avoid; margin-bottom: 16px; background: var(--white);
      border: 1px dashed var(--line); padding: 18px; border-radius: 4px 12px 12px 4px;
      box-shadow: 3px 3px 0 rgba(44,110,99,.08);
    }
    .quote-card p { font-size: 15px; }
    .quote-card footer { color: var(--muted); font-size: 13px; }
    .quote-card:nth-child(2n) { background: #F8F1E8; }
    .quote-card:nth-child(3n) { transform: rotate(-.4deg); }
    .rep-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; }
    .score-row { display: grid; grid-template-columns: 110px 1fr 48px; gap: 10px; align-items: center; margin-bottom: 12px; font-size: 14px; }
    .bar { height: 8px; background: #E8E1D6; border-radius: 99px; overflow: hidden; }
    .bar i { display: block; height: 100%; background: var(--ok); }
    .stamps { display: flex; flex-wrap: wrap; gap: 10px; }
    .stamp {
      width: 120px; height: 120px; border: 2px solid var(--seal); color: var(--seal);
      border-radius: 50%; display: grid; place-items: center; text-align: center;
      font-family: var(--serif); font-size: 14px; transform: rotate(-8deg);
      background: rgba(196,92,74,.05);
    }
    .stamp:nth-child(2) { transform: rotate(6deg); border-color: var(--green); color: var(--green); }
    .stamp:nth-child(3) { transform: rotate(-3deg); border-color: var(--tan); color: var(--tan); }
    .news-list { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; }
    .news-card {
      display: grid; grid-template-columns: 160px 1fr; gap: 16px; background: var(--white);
      border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
      transition: .2s transform, .2s border-color;
    }
    .news-card:hover { transform: translateY(-3px); border-color: var(--green); }
    .news-card img { width: 100%; height: 100%; min-height: 140px; object-fit: cover; }
    .news-card .txt { padding: 16px 16px 16px 0; }
    .news-card--wide { grid-column: 1 / -1; grid-template-columns: 280px 1fr; }
    .news-card--wide img { min-height: 200px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--line); background: var(--white); border-radius: 10px; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0;
      min-height: 56px; padding: 14px 18px; font-size: 16px; font-weight: 600; color: var(--ink);
      display: flex; justify-content: space-between; align-items: center; gap: 12px;
    }
    .faq-item .ans { display: none; padding: 0 18px 16px; background: #F6F1E8; color: var(--muted); }
    .faq-item.is-open .ans { display: block; }
    .faq-item.is-open button { color: var(--green-deep); }
    .open-band {
      margin-top: 56px; background: var(--white); border: 1px solid var(--line);
      border-radius: 12px; overflow: hidden; display: grid; grid-template-columns: 1fr 1.05fr;
    }
    .open-visual { position: relative; min-height: 420px; }
    .open-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .open-visual .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(26,36,34,.1), rgba(26,36,34,.7)); }
    .open-visual .cap { position: absolute; left: 24px; bottom: 24px; color: #fff; z-index: 1; }
    .open-form { padding: 32px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
    input, textarea, select {
      min-height: 44px; border: 1px solid var(--line); border-radius: 8px;
      padding: 10px 12px; background: var(--paper); color: var(--text);
    }
    textarea { min-height: 110px; resize: vertical; }
    input:focus, textarea:focus, select:focus { border-color: var(--green); background: #fff; }
    .form-grid .full { grid-column: 1 / -1; }
    .form-success {
      background: var(--green-soft); color: var(--green-deep); border-radius: 10px;
      padding: 18px; margin-bottom: 14px;
    }
    .site-footer { background: var(--ink); color: rgba(255,253,248,.78); padding: 56px 0 24px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; margin-bottom: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; }
    .site-footer a { color: rgba(255,253,248,.78); display: block; min-height: 34px; }
    .site-footer a:hover { color: #fff; }
    .foot-copy { border-top: 1px solid rgba(230,223,212,.16); padding-top: 16px; font-size: 13px; color: rgba(255,253,248,.55); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }
    @media (max-width: 1280px) {
      .container { width: min(100% - 32px, 1120px); }
    }
    @media (max-width: 1024px) {
      .section { padding: 80px 0; }
      .header-tool .addr, .nav-links { display: none; }
      .hamburger { display: inline-flex; align-items: center; justify-content: center; }
      .header-main .container { grid-template-columns: auto 1fr auto; }
      .intro-grid, .module-layout, .module-panel.is-active, .scene-panel.is-active, .suite-grid, .demo-stage, .audit-grid, .impl-grid, .story-layout, .rep-grid, .open-band, .news-list { grid-template-columns: 1fr; }
      .suite-card--lg { grid-row: auto; min-height: 360px; }
      .hero-metrics { grid-template-columns: 1fr 1fr; }
      .adv-grid { grid-template-columns: 1fr 1fr; }
      .quote-wall { columns: 2; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .case-item article { grid-template-columns: 1fr; }
      .news-card, .news-card--wide { grid-template-columns: 1fr; }
      .news-card img, .news-card--wide img { min-height: 180px; height: 180px; }
      .module-index { position: static; display: grid; grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .section { padding: 64px 0; }
      .header-tool .mail { display: none; }
      .hero-copy { padding: 48px 0 96px; }
      .hero-slide img { height: 78vh; }
      .adv-grid, .stat-grid, .form-grid, .fact-row { grid-template-columns: 1fr 1fr; }
      .quote-wall { columns: 1; }
      .device-shots { grid-template-columns: 1fr; }
      .device-shots img { height: 200px; }
      .stat-item { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 8px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 24px, 100%); }
      .adv-grid, .module-index, .foot-grid { grid-template-columns: 1fr; }
      .hero-metrics, .stat-grid { grid-template-columns: 1fr 1fr; }
      .hero-nav { display: none; }
      .nav-cta .btn-line { display: none; }
      .logo-text span { display: none; }
      h2 { font-size: 26px; }
    }