/* roulang page: index */
:root {
      --mint: #178a76;
      --mint-deep: #0d5f53;
      --mint-mid: #2aa78d;
      --mint-soft: #d7efe8;
      --steel: #7f949c;
      --steel-2: #c5d3d7;
      --amber: #c9922a;
      --amber-2: #e3b34a;
      --amber-soft: #f6e6c4;
      --char: #121a18;
      --char-2: #1b2723;
      --char-3: #24332e;
      --steam: #f3f0e8;
      --mist: #eef6f3;
      --paper: #fbfaf6;
      --white: #ffffff;
      --text: #1b2421;
      --muted: #5a6b66;
      --line: #d5e1dc;
      --danger: #b42318;
      --ok: #0f7a5a;
      --radius: 24px;
      --radius-sm: 14px;
      --radius-xs: 10px;
      --shadow: 0 14px 36px rgba(18, 26, 24, .08);
      --shadow-hover: 0 20px 44px rgba(18, 26, 24, .14);
      --shadow-low: 0 6px 18px rgba(18, 26, 24, .06);
      --grad: linear-gradient(135deg, #0d5f53 0%, #1f9d86 52%, #b9c9cd 100%);
      --grad-btn: linear-gradient(135deg, #0d5f53 0%, #1aa384 100%);
      --grad-amber: linear-gradient(135deg, #c9922a, #e3b34a);
      --header-h: 108px;
      --container: 1180px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --mono: "SFMono-Regular", ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--steam);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--mint-deep); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--mint); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .mono { font-family: var(--mono); }

    .site-header {
      position: sticky; top: 0; z-index: 80;
      box-shadow: 0 8px 24px rgba(18, 26, 24, .06);
    }
    .topbar {
      background: var(--char);
      color: #d5e4df;
      font-size: 13px;
      min-height: 40px;
      display: flex;
      align-items: center;
    }
    .topbar .container {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: #e7f3ee; }
    .topbar a:hover { color: var(--amber-2); }
    .top-link { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; }
    .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mint-mid); display: inline-block; }
    .btn-ghost {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 32px; padding: 0 12px; border: 1px solid rgba(233, 196, 106, .45);
      color: var(--amber-2) !important; border-radius: 999px; font-size: 12px; letter-spacing: .04em;
    }
    .btn-ghost:hover { background: rgba(201, 146, 42, .16); }

    .navrow {
      background: rgba(251, 250, 246, .96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line);
    }
    .navrow .container {
      min-height: 68px; display: flex; align-items: center; gap: 18px;
    }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--char); flex-shrink: 0; }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 12px;
      background: var(--grad);
      position: relative; box-shadow: 0 8px 16px rgba(13, 95, 83, .28);
    }
    .logo-mark::before, .logo-mark::after {
      content: ""; position: absolute; left: 50%; transform: translateX(-50%);
      border: 2px solid #fff; border-radius: 50%;
    }
    .logo-mark::before { width: 16px; height: 16px; top: 7px; }
    .logo-mark::after { width: 8px; height: 8px; top: 11px; border-color: var(--amber-2); }
    .logo-text { font-weight: 730; font-size: 18px; letter-spacing: .04em; }
    .nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav-links a {
      color: var(--muted); font-size: 14px; padding: 8px 10px; border-radius: 999px;
      min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap;
    }
    .nav-links a:hover, .nav-links a.is-active {
      color: var(--mint-deep); background: var(--mint-soft);
    }
    .nav-cta { margin-left: 8px; flex-shrink: 0; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 12px;
      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(--char); display: block; border-radius: 2px; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 46px; padding: 0 20px; border-radius: 999px; font-size: 15px; font-weight: 650;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary {
      color: #fff; background: var(--grad-btn);
      box-shadow: 0 10px 22px rgba(13, 95, 83, .28);
    }
    .btn-primary:hover { box-shadow: 0 14px 26px rgba(13, 95, 83, .36); }
    .btn-line {
      color: var(--mint-deep); background: transparent;
      border: 1.5px solid rgba(23, 138, 118, .45);
    }
    .btn-line:hover { border-color: var(--amber); color: var(--char); background: #fff; }
    .btn-light { background: #fff; color: var(--char); }
    .btn-light:hover { box-shadow: var(--shadow-low); }
    .btn-amber { background: var(--grad-amber); color: #2a1c04; }

    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--paper);
      transform: translateX(104%); transition: transform .28s ease; z-index: 100;
      box-shadow: -20px 0 50px rgba(18, 26, 24, .18); padding: 24px 18px 32px;
      display: flex; flex-direction: column; gap: 6px;
    }
    .drawer.open { transform: translateX(0); }
    .drawer a {
      min-height: 48px; display: flex; align-items: center; padding: 0 12px;
      border-radius: 12px; color: var(--text); font-size: 16px;
    }
    .drawer a:hover, .drawer a.is-active { background: var(--mist); color: var(--mint-deep); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(18, 26, 24, .45); z-index: 90;
      opacity: 0; pointer-events: none; transition: opacity .28s ease;
    }
    .drawer-mask.open { opacity: 1; pointer-events: auto; }
    body.nav-lock { overflow: hidden; }

    main { display: block; }
    .section { padding: 88px 0; position: relative; }
    .section.tight { padding: 56px 0; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head.wide { max-width: 880px; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--mint-deep); font-size: 13px; font-weight: 700; letter-spacing: .12em;
      text-transform: none; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--amber); border-radius: 2px; }
    h2 {
      font-size: clamp(26px, 3vw, 36px); line-height: 1.25; letter-spacing: .02em; font-weight: 750;
    }
    .lead { margin-top: 14px; color: var(--muted); font-size: 16px; }
    .alt-bg { background: var(--mist); }
    .paper-bg { background: var(--paper); }
    .steam-bg { background: var(--steam); }

    .badge, .chip {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 28px; padding: 0 10px; border-radius: 999px;
      font-size: 12px; font-weight: 650; background: var(--mint-soft); color: var(--mint-deep);
      font-family: var(--mono);
    }
    .badge-amber { background: var(--amber-soft); color: #7a560c; }
    .badge-dark { background: rgba(255,255,255,.12); color: #eef7f3; border: 1px solid rgba(255,255,255,.14); }
    .badge-steel { background: #e7eef0; color: #3e5158; }

    .hero {
      min-height: calc(100svh - var(--header-h));
      position: relative; color: #fff; overflow: hidden;
      display: flex; align-items: stretch;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease;
    }
    .hero-slide.is-on { opacity: 1; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2; pointer-events: none;
      background: linear-gradient(118deg, rgba(18,26,24,.88) 8%, rgba(13,95,83,.46) 48%, rgba(18,26,24,.28) 100%);
    }
    .hero-inner {
      position: relative; z-index: 3; width: min(100% - 40px, var(--container));
      margin: 0 auto; padding: 54px 0 72px;
      display: grid; grid-template-columns: minmax(0, 1.15fr) 220px; gap: 28px; align-items: end;
      min-height: calc(100svh - var(--header-h));
    }
    .hero-copy h1 {
      font-size: clamp(32px, 4.4vw, 52px); line-height: 1.18; font-weight: 780; max-width: 16em;
    }
    .hero-copy .lead { color: #d7e6e1; max-width: 42em; font-size: 16px; }
    .hero-brand {
      display: inline-flex; align-items: center; gap: 8px; font-weight: 700;
      letter-spacing: .18em; font-size: 12px; color: var(--amber-2); margin-bottom: 14px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
    .hero-params { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .slide-kicker {
      margin-top: 18px; font-size: 15px; color: #f3f7f5; font-weight: 650;
      min-height: 24px;
    }
    .hero-thumbs {
      display: flex; flex-direction: column; gap: 10px;
    }
    .hero-thumb {
      position: relative; border-radius: 18px; overflow: hidden; min-height: 92px;
      border: 1px solid rgba(255,255,255,.18); cursor: pointer; text-align: left; color: #fff;
      isolation: isolate;
    }
    .hero-thumb img { width: 100%; height: 92px; object-fit: cover; filter: brightness(.55); }
    .hero-thumb span {
      position: absolute; left: 10px; right: 10px; bottom: 8px; font-size: 12px; font-weight: 700; z-index: 1;
    }
    .hero-thumb.is-on { outline: 2px solid var(--amber-2); outline-offset: 2px; }
    .hero-thumb.is-on img { filter: brightness(.8); }
    .hero-controls {
      position: absolute; z-index: 4; right: max(20px, calc((100% - var(--container)) / 2));
      bottom: 28px; display: flex; gap: 8px;
    }
    .hero-arrow {
      width: 44px; height: 44px; border-radius: 50%; background: rgba(18,26,24,.45);
      color: #fff; border: 1px solid rgba(255,255,255,.2); font-size: 18px;
    }
    .hero-arrow:hover { background: var(--mint-deep); }
    .hero-dots { display: none; gap: 8px; justify-content: center; position: absolute; z-index: 4; left: 0; right: 0; bottom: 18px; }
    .hero-dots button { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.4); }
    .hero-dots button.is-on { width: 22px; border-radius: 8px; background: var(--amber-2); }

    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    }
    .split.reverse { grid-template-columns: .95fr 1.05fr; }
    .media-card {
      border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
      background: #fff; position: relative;
    }
    .media-card img { width: 100%; height: 460px; object-fit: cover; }
    .media-note {
      position: absolute; left: 18px; right: 18px; bottom: 18px;
      background: rgba(18,26,24,.78); color: #fff; border-radius: 16px; padding: 12px 14px; font-size: 13px;
    }
    .spec-list { margin-top: 22px; display: grid; gap: 12px; }
    .spec-list li {
      display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 12px 0;
      border-bottom: 1px dashed var(--line); font-size: 14px;
    }
    .spec-list strong { color: var(--mint-deep); font-weight: 730; }

    .group-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
    .group-nav button {
      min-height: 44px; padding: 0 16px; border-radius: 999px; background: #fff;
      border: 1px solid var(--line); color: var(--muted); font-weight: 650;
    }
    .group-nav button.is-on, .group-nav button:hover {
      background: var(--grad-btn); color: #fff; border-color: transparent;
    }
    .group-panel {
      display: none; grid-template-columns: .9fr 1.1fr; gap: 28px; background: #fff;
      border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-low); align-items: center;
    }
    .group-panel.is-on { display: grid; }
    .group-panel img { width: 100%; height: 280px; object-fit: cover; border-radius: 18px; }
    .mini-params { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

    .cap-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .cap-card {
      background: #fff; border-radius: var(--radius); padding: 26px 24px 22px;
      box-shadow: var(--shadow-low); border: 1px solid rgba(213, 225, 220, .8);
      min-height: 230px; position: relative; transition: transform .2s ease, box-shadow .2s ease;
    }
    .cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .cap-card h3 { font-size: 20px; margin: 18px 0 8px; }
    .cap-card p { color: var(--muted); font-size: 14px; }
    .cap-ico {
      width: 48px; height: 48px; border-radius: 16px; background: var(--mist);
      display: grid; place-items: center;
    }
    .cap-ico svg { width: 24px; height: 24px; stroke: var(--mint-deep); fill: none; stroke-width: 1.8; }
    .float-badge {
      position: absolute; top: 18px; right: 18px;
    }

    .scene-rail {
      display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr);
      gap: 18px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory;
    }
    .scene-card {
      scroll-snap-align: start; background: #fff; border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow-low); min-width: 280px; display: flex; flex-direction: column;
    }
    .scene-card img { height: 180px; width: 100%; object-fit: cover; }
    .scene-card .body { padding: 18px 18px 20px; }
    .scene-card h3 { font-size: 18px; margin-bottom: 8px; }
    .scene-card p { color: var(--muted); font-size: 14px; }

    .product-grid {
      display: grid; grid-template-columns: 1.25fr .88fr .88fr; gap: 20px; align-items: stretch;
    }
    .product-card {
      background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
      display: flex; flex-direction: column; border: 1px solid #e7eeea;
    }
    .product-card.featured { background: linear-gradient(180deg, #fff 60%, #eef7f3 100%); }
    .product-card img { height: 220px; width: 100%; object-fit: cover; }
    .product-card.featured img { height: 260px; }
    .product-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .product-body h3 { font-size: 20px; }
    .product-body p { color: var(--muted); font-size: 14px; }
    .param-bar { display: grid; gap: 8px; margin: 6px 0 10px; }
    .param-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); border-bottom: 1px dashed var(--line); padding-bottom: 6px; }
    .param-row b { color: var(--text); font-family: var(--mono); font-weight: 650; }

    .demo-stage {
      display: grid; grid-template-columns: 1.4fr .7fr; gap: 18px;
    }
    .demo-main {
      position: relative; border-radius: var(--radius); overflow: hidden; min-height: 460px; background: #111;
    }
    .demo-main img { width: 100%; height: 520px; object-fit: cover; }
    .hotspot {
      position: absolute; background: rgba(18,26,24,.78); color: #fff; border-radius: 12px;
      padding: 8px 10px; font-size: 12px; backdrop-filter: blur(6px);
    }
    .hotspot b { color: var(--amber-2); display: block; font-size: 11px; }
    .demo-thumbs { display: grid; gap: 10px; }
    .demo-thumbs button {
      border-radius: 18px; overflow: hidden; border: 2px solid transparent; padding: 0; background: #fff;
    }
    .demo-thumbs button.is-on { border-color: var(--mint); }
    .demo-thumbs img { width: 100%; height: 118px; object-fit: cover; }

    .dark {
      background: radial-gradient(1200px 500px at 10% -10%, #24564c 0%, transparent 50%), var(--char);
      color: #e8f2ee;
    }
    .dark .lead, .dark p { color: #b7c9c3; }
    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
    .case-card {
      border-radius: var(--radius); padding: 28px; background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
    }
    .case-card h3 { color: #fff; font-size: 22px; margin: 10px 0 12px; }
    .idea-box {
      border-radius: var(--radius); padding: 28px;
      background: linear-gradient(160deg, rgba(23,138,118,.28), rgba(18,26,24,.2));
      border: 1px solid rgba(201,146,42,.28);
    }

    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .story-card {
      background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-low);
    }
    .story-card img { height: 170px; width: 100%; object-fit: cover; }
    .story-card .body { padding: 20px; }
    .story-card h3 { font-size: 18px; margin-bottom: 10px; }
    .flow { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
    .flow b { color: var(--mint-deep); }

    .statbar {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
      background: var(--grad); border-radius: 28px; padding: 28px 18px;
      box-shadow: var(--shadow);
    }
    .stat {
      text-align: center; color: #fff; border-right: 1px solid rgba(255,255,255,.15);
    }
    .stat:last-child { border-right: 0; }
    .stat .num { font-family: var(--mono); font-size: 32px; font-weight: 750; line-height: 1.1; }
    .stat .unit { font-size: 13px; opacity: .9; }
    .stat p { margin-top: 6px; font-size: 13px; color: #e4f3ee; }

    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .price-card {
      background: #fff; border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-low);
      border: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; position: relative;
    }
    .price-card.rec {
      transform: translateY(-10px);
      border-color: transparent;
      box-shadow: var(--shadow-hover);
      background: linear-gradient(180deg, #fff, #f7f1e2);
    }
    .price-card.rec::after {
      content: "车间常用档"; position: absolute; top: 16px; right: 16px;
      background: var(--grad-amber); color: #2a1c04; font-size: 12px; font-weight: 700;
      padding: 4px 10px; border-radius: 999px;
    }
    .price { font-size: 28px; font-weight: 780; color: var(--mint-deep); }
    .price small { font-size: 13px; color: var(--muted); font-weight: 500; }
    .price-card ul { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
    .price-card li::before { content: "▣ "; color: var(--mint); }

    .review-wall { columns: 3; gap: 16px; }
    .review {
      break-inside: avoid; background: #fff; border-radius: 20px; padding: 18px;
      box-shadow: var(--shadow-low); margin-bottom: 16px; border: 1px solid #e8eeeb;
    }
    .review p { font-size: 14px; color: var(--text); }
    .review .who { margin-top: 10px; color: var(--muted); font-size: 12px; }

    .quote-wrap { display: grid; grid-template-columns: 1.3fr .7fr; gap: 22px; }
    .quote-main {
      background: #fff; border-radius: 28px; padding: 36px; box-shadow: var(--shadow);
      position: relative;
    }
    .quote-main q { font-size: 24px; line-height: 1.5; font-style: normal; display: block; }
    .quote-side { display: grid; gap: 14px; }
    .quote-mini {
      background: var(--char-2); color: #e8f2ee; border-radius: 22px; padding: 20px;
    }
    .compare { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
    .compare span { background: var(--mist); color: var(--mint-deep); border-radius: 999px; padding: 6px 10px; font-size: 12px; }

    .news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
    .news-feature {
      border-radius: var(--radius); overflow: hidden; position: relative; min-height: 420px; display: block; color: #fff;
    }
    .news-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .news-feature .shade {
      position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,26,24,.1), rgba(18,26,24,.82));
    }
    .news-feature .txt { position: absolute; left: 22px; right: 22px; bottom: 22px; }
    .news-feature h3 { font-size: 24px; color: #fff; margin: 8px 0; }
    .news-list { display: grid; gap: 12px; }
    .news-item {
      display: grid; grid-template-columns: 118px 1fr; gap: 12px; background: #fff;
      border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-low); color: inherit;
    }
    .news-item img { width: 118px; height: 96px; object-fit: cover; }
    .news-item h3 { font-size: 16px; padding-top: 10px; }
    .news-item p { font-size: 13px; color: var(--muted); padding: 0 12px 10px 0; }
    .more-link { display: inline-flex; margin-top: 16px; font-weight: 700; color: var(--mint-deep); }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 18px; border: 1px solid var(--line); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 58px; padding: 14px 18px;
      display: flex; justify-content: space-between; gap: 12px; font-size: 16px; font-weight: 700; color: var(--text);
    }
    .faq-item button span { color: var(--mint); font-size: 22px; line-height: 1; }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--muted); font-size: 15px; }
    .faq-item.open .ans { display: block; }
    .faq-item.open { border-color: var(--mint-soft); box-shadow: var(--shadow-low); }

    .cta {
      background: linear-gradient(145deg, #101816 0%, #16352f 48%, #0d5f53 100%);
      color: #fff; padding: 80px 0; position: relative; overflow: hidden;
    }
    .cta::after {
      content: ""; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px;
      background: radial-gradient(circle, rgba(201,146,42,.28), transparent 68%);
    }
    .cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; position: relative; z-index: 1; }
    .cta h2 { color: #fff; }
    .cta .lead { color: #c9ddd7; }
    .form {
      background: rgba(255,255,255,.96); color: var(--text); border-radius: 28px; padding: 24px;
      box-shadow: var(--shadow);
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 700; color: var(--char-2); }
    input, select, textarea {
      width: 100%; border: 1px solid var(--line); border-radius: 12px; min-height: 44px;
      padding: 10px 12px; background: #fff; color: var(--text); font-size: 15px;
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 4px rgba(23,138,118,.12); outline: none; }
    .form-ok, .form-err {
      display: none; margin-top: 12px; border-radius: 12px; padding: 10px 12px; font-size: 14px;
    }
    .form-ok { background: #e5f6ee; color: var(--ok); }
    .form-err { background: #fdecea; color: var(--danger); }
    .form-ok.show, .form-err.show { display: block; }
    .rights { display: grid; gap: 8px; margin-top: 18px; font-size: 14px; color: #cfe0db; }
    .rights li::before { content: "▸ "; color: var(--amber-2); }

    .site-footer {
      background: var(--char); color: #c5d4cf; padding: 56px 0 24px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr 1fr; gap: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #c5d4cf; display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: var(--amber-2); }
    .foot-brand .logo-text { color: #fff; }
    .icp { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #8ea39c; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

    @media (max-width: 1200px) {
      .hero-inner { grid-template-columns: 1fr 190px; }
      .product-grid { grid-template-columns: 1.1fr 1fr 1fr; }
      .stat .num { font-size: 26px; }
    }
    @media (max-width: 1024px) {
      .split, .split.reverse, .group-panel.is-on, .demo-stage, .case-grid, .quote-wrap, .news-grid, .cta-grid {
        grid-template-columns: 1fr;
      }
      .cap-grid, .story-grid, .price-grid { grid-template-columns: 1fr 1fr; }
      .review-wall { columns: 2; }
      .foot-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
      .media-card img, .demo-main img { height: 360px; }
      .price-card.rec { transform: none; }
    }
    @media (max-width: 992px) {
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; margin-left: auto; }
      .nav-cta { display: none; }
      .hero-inner { grid-template-columns: 1fr; padding-bottom: 96px; }
      .hero-thumbs { display: none; }
      .hero-dots { display: flex; }
      .hero-controls { display: none; }
    }
    @media (max-width: 768px) {
      .top-hours, .top-mail { display: none; }
      .section { padding: 64px 0; }
      .cap-grid, .story-grid, .price-grid, .statbar { grid-template-columns: 1fr; }
      .stat { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom: 12px; }
      .stat:last-child { border-bottom: 0; }
      .form-grid { grid-template-columns: 1fr; }
      .review-wall { columns: 1; }
      .hero-copy h1 { font-size: 30px; }
      .product-grid { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 96px 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, var(--container)); }
      .logo-text { font-size: 16px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .spec-list li { grid-template-columns: 1fr; gap: 4px; }
      .hotspot { display: none; }
      .icp { flex-direction: column; }
    }
    @media (max-width: 375px) {
      body { font-size: 15px; }
      .topbar { font-size: 12px; }
      h2 { font-size: 24px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }

/* roulang page: index */
:root{
  --mint:#128978;
  --mint-deep:#0b6559;
  --mint-bright:#1bb39a;
  --mint-soft:#d7f1eb;
  --fog:#eef6f3;
  --steam:#f5f2eb;
  --steel:#d7dedb;
  --amber:#c5842b;
  --amber-2:#e2ae55;
  --ink:#172422;
  --muted:#5a6a66;
  --dark:#101c1a;
  --dark-2:#17302b;
  --card:#fffdf8;
  --white:#fff;
  --line:rgba(23,36,34,.1);
  --line-strong:rgba(23,36,34,.16);
  --radius:24px;
  --radius-s:14px;
  --shadow:0 12px 32px rgba(16,28,26,.08);
  --shadow-hover:0 18px 44px rgba(16,28,26,.14);
  --grad:linear-gradient(135deg,#128978 0%,#7aa8a1 52%,#c5d4d0 100%);
  --grad-btn:linear-gradient(135deg,#0f7a6b 0%,#19a58c 100%);
  --header-h:114px;
  --container:1180px;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--steam);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(18,137,120,.45);outline-offset:3px}
.container{width:min(var(--container),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;border-radius:8px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.site-header{position:sticky;top:0;z-index:50;box-shadow:0 8px 24px rgba(16,28,26,.08)}
.toolbar{
  background:var(--dark);
  color:#d7e7e3;
  font-size:13px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.toolbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--container),calc(100% - 40px));margin:0 auto;padding:6px 0}
.toolbar-left{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.toolbar a{color:#eaf6f3}
.toolbar a:hover{color:var(--amber-2)}
.toolbar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:32px;padding:0 12px;border:1px solid rgba(226,174,85,.55);
  color:var(--amber-2);border-radius:999px;font-size:12px;letter-spacing:.04em;
  transition:.2s ease;
}
.toolbar-btn:hover{background:rgba(226,174,85,.12);transform:translateY(-1px)}
.nav-main{
  background:rgba(245,242,235,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad);display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(18,137,120,.28);
}
.logo-mark svg{width:24px;height:24px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:700;letter-spacing:.04em}
.logo-text span{font-size:12px;color:var(--muted)}
.nav-links{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;flex-wrap:wrap}
.nav-links a{
  padding:8px 10px;border-radius:10px;font-size:14px;color:#314441;font-weight:500;
  min-height:44px;display:inline-flex;align-items:center;
  transition:.2s ease;
}
.nav-links a:hover,.nav-links a.is-active{color:var(--mint-deep);background:var(--mint-soft)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 18px;border-radius:999px;color:#fff;font-weight:600;
  background:var(--grad-btn);box-shadow:0 8px 18px rgba(15,122,107,.28);
  transition:.2s ease;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,122,107,.34)}
.nav-cta:active{transform:translateY(0)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{width:18px;height:2px;background:var(--ink);display:block;transition:.2s}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:999px;font-weight:600;
  transition:.22s ease;border:1px solid transparent;
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 10px 22px rgba(15,122,107,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,122,107,.34)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:#fff;color:var(--mint-deep);border-color:#fff}
.btn-line{background:#fff;color:var(--mint-deep);border-color:rgba(18,137,120,.28)}
.btn-line:hover{border-color:var(--amber);box-shadow:0 8px 18px rgba(197,132,43,.12);transform:translateY(-2px)}
.btn-text{color:var(--mint-deep);min-height:40px;padding:0 4px;font-weight:600}
.btn-text:hover{color:var(--amber)}
.badge{
  display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.16);color:#f4fff9;
  border:1px solid rgba(255,255,255,.22);font-size:12px;letter-spacing:.02em;
}
.badge .num{color:var(--amber-2)}
.badge-solid{
  background:linear-gradient(135deg,#128978,#6ea8a0);
  color:#fff;border:0;font-size:12px;font-weight:600;
}
.badge-amber{background:linear-gradient(135deg,#c5842b,#e2ae55);color:#1b1408;border:0}
.section{padding:88px 0;position:relative}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;color:var(--mint-deep);font-weight:700;
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;
}
.kicker::before{content:"";width:18px;height:2px;background:var(--amber);display:block}
h2{font-size:34px;line-height:1.28;letter-spacing:.02em;margin-bottom:14px}
.lead{color:var(--muted);font-size:16px}
.hero{position:relative;min-height:calc(100vh - var(--header-h));color:#fff;overflow:hidden;background:#101c1a}
.hero-slide{
  position:absolute;inset:0;opacity:0;transform:scale(1.04);
  transition:opacity .7s ease, transform 1.1s ease;background-size:cover;background-position:center;
}
.hero-slide.is-active{opacity:1;transform:scale(1);z-index:1}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(12,24,22,.88) 8%,rgba(15,101,90,.55) 48%,rgba(16,28,26,.18) 100%);
}
.hero-copy{position:relative;z-index:2;padding:72px 0 118px;width:min(var(--container),calc(100% - 40px));margin:0 auto;max-width:820px}
.hero h1,.hero-title{font-size:46px;line-height:1.18;letter-spacing:.01em;margin-bottom:18px;max-width:16em}
.hero-lead{font-size:16px;line-height:1.85;color:#e5f2ee;max-width:42em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px}
.hero-nav{position:absolute;z-index:3;left:0;right:0;bottom:24px;width:min(var(--container),calc(100% - 40px));margin:0 auto;display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.hero-thumbs{display:flex;gap:8px}
.hero-thumbs button{
  width:86px;height:118px;border-radius:16px;overflow:hidden;border:2px solid transparent;
  background-size:cover;background-position:center;opacity:.72;transition:.2s;
  box-shadow:0 10px 20px rgba(0,0,0,.25);
}
.hero-thumbs button.is-active,.hero-thumbs button:hover{opacity:1;border-color:var(--amber-2);transform:translateY(-3px)}
.hero-arrows{display:flex;gap:8px}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.3);
  color:#fff;display:grid;place-items:center;background:rgba(16,28,26,.28);
}
.icon-btn:hover{background:#fff;color:var(--mint-deep)}
.hero-dots{display:none;gap:8px}
.hero-dots button{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.4)}
.hero-dots button.is-active{width:22px;background:var(--amber-2)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.split-media{position:relative}
.split-media img{width:100%;height:520px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.split-media .float-card{
  position:absolute;right:-18px;bottom:28px;background:var(--card);color:var(--ink);
  padding:16px 18px;border-radius:18px;box-shadow:var(--shadow);width:min(260px,80%);
}
.param-list{display:grid;gap:10px;margin:22px 0 28px}
.param-list li{display:flex;gap:10px;align-items:flex-start;color:#314441}
.param-list i{width:8px;height:8px;border-radius:50%;background:var(--mint);margin-top:9px;flex:0 0 auto}
.bg-fog{background:linear-gradient(180deg,#eef6f3 0%,#f5f2eb 100%)}
.bg-white{background:var(--card)}
.bg-steel{background:linear-gradient(180deg,#edf1ef,#f5f2eb)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{
  min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);
  background:#fff;color:#314441;font-weight:600;font-size:14px;transition:.2s;
}
.chip:hover,.chip.is-active{background:var(--mint);color:#fff;border-color:var(--mint)}
.group-panel{display:none;grid-template-columns:1.2fr .8fr;gap:28px;background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--line)}
.group-panel.is-active{display:grid}
.group-panel img{width:100%;height:280px;object-fit:cover;border-radius:18px}
.group-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.six-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap-card{
  background:#fff;border-radius:var(--radius);padding:26px 24px 24px;min-height:250px;
  box-shadow:var(--shadow);border:1px solid var(--line);position:relative;
  transition:.25s ease;
}
.cap-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.cap-card h3{font-size:22px;margin:14px 0 8px}
.cap-card p{color:var(--muted);font-size:14.5px}
.cap-ico{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;color:#fff;
  background:var(--grad);
}
.scene-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.scene-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column;min-height:100%}
.scene-card img{height:190px;width:100%;object-fit:cover}
.scene-card .body{padding:18px 18px 20px}
.scene-card h3{font-size:20px;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:14.5px}
.product-grid{display:grid;grid-template-columns:1.18fr .91fr .91fr;gap:20px;align-items:stretch}
.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column}
.product-card.featured{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(18,137,120,.28)}
.product-card img{height:220px;width:100%;object-fit:cover}
.product-card.featured img{height:260px}
.product-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.product-card h3{font-size:22px}
.bars{display:grid;gap:8px}
.bar{background:var(--fog);border-radius:10px;padding:8px 10px;display:flex;justify-content:space-between;font-size:13px}
.bar b{font-family:var(--mono);color:var(--mint-deep)}
.demo-stage{display:grid;grid-template-columns:1.4fr .6fr;gap:18px}
.demo-main{position:relative;border-radius:var(--radius);overflow:hidden;min-height:520px;box-shadow:var(--shadow)}
.demo-main img{width:100%;height:100%;object-fit:cover;min-height:520px}
.hotspot{
  position:absolute;background:rgba(16,28,26,.78);color:#fff;border-radius:14px;padding:10px 12px;font-size:12px;
  backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.12);
}
.hotspot b{display:block;color:var(--amber-2);font-family:var(--mono)}
.demo-side{display:grid;gap:10px}
.demo-side button{border-radius:18px;overflow:hidden;border:2px solid transparent;height:122px}
.demo-side button img{width:100%;height:100%;object-fit:cover}
.demo-side button.is-active,.demo-side button:hover{border-color:var(--mint)}
.dark-band{background:radial-gradient(1200px 480px at 10% -10%,rgba(27,179,154,.22),transparent 50%),linear-gradient(180deg,#101c1a,#17302b);color:#eef7f4;padding:92px 0}
.dark-band h2,.dark-band .lead{color:#eef7f4}
.dark-band .lead{color:#c5d8d3}
.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.case-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);overflow:hidden}
.case-card img{height:240px;width:100%;object-fit:cover}
.case-card .body{padding:22px}
.case-card h3{font-size:24px;margin:10px 0 8px}
.idea-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.idea{padding:16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
.story-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
.story{
  background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
}
.story .tag{align-self:flex-start}
.story h3{font-size:20px}
.story p{color:var(--muted)}
.result{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-family:var(--mono);color:var(--mint-deep);font-size:13px}
.stats{
  background:var(--grad);color:#fff;padding:28px 0;
}
.stats-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat{text-align:center;padding:12px 8px;border-right:1px solid rgba(255,255,255,.18)}
.stat:last-child{border-right:0}
.stat .n{font-size:34px;font-family:var(--mono);line-height:1.1}
.stat .u{display:block;font-size:13px;opacity:.9;margin-top:6px}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{
  background:#fff;border-radius:var(--radius);padding:28px 24px;border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;position:relative;
}
.plan.recommend{transform:translateY(-10px);border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(180deg,#128978,#e2ae55) border-box;border:2px solid transparent}
.plan h3{font-size:24px}
.price{font-size:28px;font-family:var(--mono);color:var(--mint-deep)}
.price small{font-size:13px;color:var(--muted);font-family:var(--sans)}
.plan ul{display:grid;gap:8px;color:#314441;margin:8px 0 16px}
.plan li{padding-left:16px;position:relative}
.plan li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);position:absolute;left:0;top:9px}
.review-wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(140px,auto);gap:14px}
.review{background:#fff;border-radius:20px;padding:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
.review:nth-child(1),.review:nth-child(6){grid-column:span 2}
.review p{font-size:14.5px}
.review .who{margin-top:12px;color:var(--muted);font-size:13px}
.voice-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}
.quote{
  background:linear-gradient(180deg,#17302b,#101c1a);color:#eef7f4;border-radius:var(--radius);padding:36px 32px;
  min-height:320px;display:flex;flex-direction:column;justify-content:space-between;
}
.quote p{font-size:24px;line-height:1.55}
.quote .who{color:#c5d8d3}
.compare{display:grid;gap:12px}
.compare div{background:#fff;border-radius:18px;padding:16px;border:1px solid var(--line)}
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.news-feature{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;box-shadow:var(--shadow)}
.news-feature img{width:100%;height:100%;object-fit:cover;min-height:420px}
.news-feature .shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(16,28,26,.86));padding:24px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.news-list{display:grid;gap:12px}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:12px;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.news-item img{width:120px;height:100%;object-fit:cover;min-height:108px}
.news-item .t{padding:12px 12px 12px 0}
.news-item h3{font-size:16px;margin-bottom:6px}
.news-item p{font-size:13px;color:var(--muted)}
.faq-list{display:grid;gap:10px;max-width:920px}
.faq-item{background:#fff;border-radius:18px;border:1px solid var(--line);overflow:hidden;box-shadow:0 6px 16px rgba(16,28,26,.04)}
.faq-item button{
  width:100%;text-align:left;padding:18px 20px;min-height:56px;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;gap:12px;align-items:center;
}
.faq-item button span.plus{width:28px;height:28px;border-radius:8px;background:var(--fog);display:grid;place-items:center;color:var(--mint-deep)}
.faq-item .a{display:none;padding:0 20px 18px;color:var(--muted)}
.faq-item.open .a{display:block}
.faq-item.open button span.plus{background:var(--mint);color:#fff}
.cta-band{
  background:radial-gradient(700px 280px at 90% 0,rgba(226,174,85,.18),transparent 50%),linear-gradient(135deg,#101c1a,#0b6559);
  color:#eef7f4;padding:88px 0;
}
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.form-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-hover)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:#314441}
.field input,.field select,.field textarea{
  min-height:46px;border:1px solid var(--line-strong);border-radius:12px;padding:10px 12px;background:#fbfaf6;
}
.field textarea{min-height:110px;resize:vertical}
.form-msg{margin-top:10px;padding:10px 12px;border-radius:12px;background:var(--mint-soft);color:var(--mint-deep);font-weight:600}
.form-err{margin-top:10px;padding:10px 12px;border-radius:12px;background:#fdecec;color:#9a2b2b;font-weight:600}
.site-footer{background:var(--dark);color:#c5d8d3;padding:56px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr 1fr;gap:24px;margin-bottom:28px}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:12px}
.site-footer a{color:#c5d8d3}
.site-footer a:hover{color:var(--amber-2)}
.foot-links{display:grid;gap:8px}
.legal{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;font-size:13px;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between}
.drawer{
  position:fixed;inset:0;background:rgba(16,28,26,.46);z-index:60;display:none;
}
.drawer.is-open{display:block}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);background:#f5f2eb;
  padding:24px 18px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(0,0,0,.18);
}
.drawer-panel a{min-height:44px;display:flex;align-items:center;padding:0 10px;border-radius:10px;font-weight:600}
.drawer-panel a:hover{background:var(--mint-soft);color:var(--mint-deep)}
@media (max-width:1200px){
  h2{font-size:30px}
  .hero h1,.hero-title{font-size:40px}
  .product-grid,.six-grid,.scene-track{grid-template-columns:repeat(2,1fr)}
  .product-card.featured{transform:none}
  .review-wall{grid-template-columns:repeat(3,1fr)}
  .stats-row{grid-template-columns:repeat(3,1fr)}
  .stat{border:0}
}
@media (max-width:992px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .split,.split.reverse,.group-panel.is-active,.demo-stage,.case-grid,.story-grid,.voice-wrap,.news-layout,.cta-grid,.foot-grid{
    grid-template-columns:1fr;
  }
  .split-media img,.demo-main img,.demo-main{height:360px;min-height:360px}
  .hero-thumbs{display:none}
  .hero-dots{display:flex}
  .plan.recommend{transform:none}
  .idea-row{grid-template-columns:1fr}
  .news-feature,.news-feature img{min-height:280px}
}
@media (max-width:768px){
  .container,.toolbar-inner,.hero-copy,.hero-nav{width:min(100% - 32px,var(--container))}
  .section,.cta-band,.dark-band{padding:64px 0}
  .hero-copy{padding:48px 0 108px}
  .hero h1,.hero-title{font-size:32px}
  .six-grid,.scene-track,.product-grid,.plan-grid,.review-wall,.stats-row{grid-template-columns:1fr}
  .review:nth-child(1),.review:nth-child(6){grid-column:auto}
  .form-grid{grid-template-columns:1fr}
  .toolbar-left span.hide-sm{display:none}
  .float-card{right:12px;bottom:12px}
  .product-card.featured img,.product-card img{height:200px}
}
@media (max-width:520px){
  body{font-size:15px}
  h2{font-size:26px}
  .hero{min-height:640px}
  .logo-text span{display:none}
  .nav-cta{padding:0 12px;font-size:14px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
}