* { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans Arabic", sans-serif; }
    body { background: #060608; color: #fff; overflow-x: hidden; scrollbar-gutter: stable; }
    body.modal-open { overflow: hidden; }
    .aqc-picture { display: contents; }
    #canvas-container, .depth-carousel, .accordion-gallery, .logoloop { -webkit-user-select: none; user-select: none; }
    .skip-link {
      position: fixed; top: 8px; left: 8px; z-index: 200; padding: 10px 16px;
      border-radius: 8px; background: #fff; color: #000; text-decoration: none;
      transform: translateY(-160%); transition: transform 0.2s;
    }
    .skip-link:focus { transform: translateY(0); }

    /* ============ 首屏样式（来自 C-05，未改动） ============ */
    .hero {
      position: relative; width: 100%; height: 100vh; overflow: hidden;
      background: radial-gradient(circle at 50% 30%, #1a1a26 0%, #060608 72%);
    }
    #canvas-container { position: absolute; inset: 0; z-index: 1; }
    .overlay {
      position: absolute; inset: 0; z-index: 2; pointer-events: none;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      text-align: center; color: #fff;
    }
    .overlay > * { pointer-events: auto; }
    .overlay h1 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 600; line-height: 1.1; max-width: 760px; margin-bottom: 1rem; }
    .overlay p { font-size: clamp(1rem, 1.5vw, 1.25rem); color: rgba(255,255,255,0.75); max-width: 640px; margin-bottom: 2rem; line-height: 1.6; }
    .cta {
      display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px;
      background: #0a84ff; color: #fff; text-decoration: none; font-weight: 500; transition: background 0.2s ease;
    }
    .cta:hover { background: #0066cc; }
    /* 首屏内 .nav 已移除，统一使用固定 .topnav（方案 A） */

    /* 语言切换按钮 */
    .lang-switch { display: flex; gap: 8px; pointer-events: auto; }
    .lang-btn {
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
      color: #fff; padding: 6px 13px; border-radius: 999px; cursor: pointer;
      font-size: 0.82rem; transition: background 0.2s, border-color 0.2s; font-family: inherit;
    }
    .lang-btn:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.35); }
    .lang-btn.active { background: #0a84ff; border-color: #0a84ff; color: #fff; }

    /* ============ 补全的网站内容样式 ============ */
    :root {
      --bg: #060608;
      --bg-soft: #0c0c14;
      --card: rgba(255,255,255,0.045);
      --card-2: rgba(255,255,255,0.025);
      --border: rgba(255,255,255,0.10);
      --text: #ffffff;
      --muted: rgba(255,255,255,0.60);
      --blue: #0a84ff;
      --pink: #ff2e9a;
      --purple: #9b2eff;
      --green: #00cc66;
      --radius: 22px;
      --maxw: 1180px;
    }

    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
    section.block { position: relative; padding: 110px 0; }
    .section-eyebrow {
      display: inline-block; font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--muted); padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px; margin-bottom: 22px;
    }
    .section-title { font-size: clamp(1.8rem, 3.4vw, 3rem); font-weight: 650; line-height: 1.12; letter-spacing: -0.01em; }
    .section-sub { color: var(--muted); font-size: 1.05rem; line-height: 1.7; max-width: 680px; margin-top: 16px; }
    .link-more { color: var(--blue); text-decoration: none; font-weight: 600; display: inline-flex; gap: 6px; margin-top: 18px; }
    .link-more:hover { text-decoration: underline; }

    /* 顶部固定导航（方案 A：首屏透明 → 滚动后实色） */
    .topnav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 50;
      display: flex; align-items: center; justify-content: space-between; gap: 24px;
      padding: 12px 40px;
      background: transparent; backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
      border-bottom: 1px solid transparent;
      transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
    }
    .topnav.scrolled {
      background: rgba(8,8,14,0.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }
    .topnav .brand { font-weight: 700; font-size: 1.05rem; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 12px; }
    .topnav .brand img { height: 36px; width: 36px; border-radius: 8px; object-fit: cover; }
    .topnav .brand__text { display: flex; flex-direction: column; line-height: 1.15; }
    .topnav .brand__text [data-i18n="brand"] { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; }
    .topnav .brand__sub { font-size: 0.7rem; color: rgba(255,255,255,0.55); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 500; margin-top: 2px; }
    .topnav .links { display: flex; gap: 26px; }
    .topnav .links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; transition: color 0.2s; }
    .topnav .links a:hover { color: #fff; }
    .topnav .nav-cta { padding: 9px 18px; border-radius: 999px; background: #fff; color: #000; text-decoration: none; font-weight: 600; font-size: 0.9rem; }
    .topnav .nav-cta:hover { background: #e6e6e6; }

    /* 背景光斑 */
    .glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35; pointer-events: none; z-index: 0; }
    .glow.pink { background: var(--pink); }
    .glow.blue { background: var(--blue); }
    .glow.purple { background: var(--purple); }
    .glow.green { background: var(--green); }
    .block > .wrap { position: relative; z-index: 1; }

    /* 作品展示网格 */
    .grid { display: grid; gap: 18px; margin-top: 48px; }
    .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
    .show-card {
      position: relative; border-radius: var(--radius); overflow: hidden;
      border: 1px solid var(--border); background: var(--card);
      aspect-ratio: 4 / 3; display: flex; flex-direction: column; justify-content: flex-end;
      padding: 20px; transition: transform 0.3s ease, border-color 0.3s ease;
      text-decoration: none;
    }
    .show-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.28); }
    .show-card .thumb { position: absolute; inset: 0; z-index: 0; opacity: 1; }
    .show-card .thumb::after {
      content: ""; position: absolute; inset: 0;
      background:
        linear-gradient(to top, rgba(6,6,8,0.96) 0%, rgba(6,6,8,0.66) 34%, rgba(6,6,8,0.34) 56%, rgba(6,6,8,0.62) 100%),
        radial-gradient(circle at bottom right, rgba(6,6,8,0.95) 0%, transparent 26%);
    }
    .show-card h3 { position: relative; z-index: 1; font-size: 1.05rem; font-weight: 600; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.85), 0 2px 14px rgba(0,0,0,0.9); }
    .show-card span { position: relative; z-index: 1; color: var(--muted); font-size: 0.85rem; margin-top: 4px; text-shadow: 0 1px 3px rgba(0,0,0,0.85), 0 1px 8px rgba(0,0,0,0.7); }

    /* 客户 logo 条 */
    .logos { display: flex; flex-wrap: wrap; gap: 14px 40px; align-items: center; justify-content: center; margin-top: 40px; opacity: 0.75; }
    .logos .logo { font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; color: #fff; padding: 8px 16px; border: 1px solid var(--border); border-radius: 999px; }

    /* 产品两栏 */
    .split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 56px; }
    .feat-list { display: grid; gap: 22px; margin-top: 30px; }
    .feat {
      border: 1px solid var(--border); border-radius: 16px; padding: 22px;
      background: var(--card-2); transition: border-color 0.3s, background 0.3s;
    }
    .feat:hover { border-color: rgba(255,255,255,0.22); background: var(--card); }
    .feat h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
    .feat p { color: var(--muted); font-size: 0.95rem; line-height: 1.6; }
    .feat .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
    .feat .tags span { font-size: 0.78rem; color: var(--muted); padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; }
    .visual {
      border-radius: var(--radius); border: 1px solid var(--border); min-height: 360px;
      background:
        radial-gradient(120% 120% at 20% 10%, rgba(0,204,102,0.22), transparent 50%),
        radial-gradient(120% 120% at 80% 90%, rgba(10,132,255,0.28), transparent 55%),
        var(--bg-soft);
      position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center;
    }
    .visual .orb {
      width: 150px; height: 150px; border-radius: 32px;
      background: linear-gradient(135deg, var(--green), var(--blue), var(--purple));
      box-shadow: 0 30px 80px rgba(10,132,255,0.45); animation: floaty 6s ease-in-out infinite;
    }
    @keyframes floaty { 0%,100% { transform: translateY(-10px) rotate(0deg); } 50% { transform: translateY(14px) rotate(8deg); } }

    .quote {
      margin-top: 60px; border-left: 3px solid var(--blue); padding: 8px 0 8px 26px;
      font-size: clamp(1.2rem, 2.2vw, 1.7rem); font-weight: 500; line-height: 1.5; max-width: 840px;
    }
    .quote .author { display: block; margin-top: 16px; font-size: 0.95rem; font-weight: 400; color: var(--muted); }

    /* 集成 pill */
    /* .pills / .pill 已迁移为 LogoLoop 跑马灯（见 assets/logo-loop.css） */

    /* 客户故事 */
    .story {
      border: 1px solid var(--border); border-radius: var(--radius); padding: 30px;
      background: var(--card); display: flex; flex-direction: column; gap: 18px; transition: transform 0.3s, border-color 0.3s;
      overflow: hidden; /* spotlight 遮罩裁剪 */
      --mouse-x: 50%; --mouse-y: 50%;
    }
    .story:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.25); }
    .story::before {
      content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: var(--radius);
      background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(255,255,255,0.12), transparent 70%);
      opacity: 0; transition: opacity 0.5s ease;
    }
    .story:hover::before { opacity: 0.6; }
    .story p { font-size: 1.05rem; line-height: 1.65; color: #f0f0f0; }
    .story .who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
    .story .avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--purple)); }
    .story .who b { font-size: 0.95rem; font-weight: 600; }
    .story .who small { display: block; color: var(--muted); font-size: 0.82rem; }

    /* 资源入口 */
    .res-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 48px; }
    .res {
      border: 1px solid var(--border); border-radius: 18px; padding: 26px 22px; background: var(--card);
      text-decoration: none; color: #fff; transition: transform 0.3s, border-color 0.3s, background 0.3s;
    }
    .res:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.28); background: var(--card-2); }
    .res h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
    .res p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }

    /* 最终 CTA */
    .final-cta { text-align: center; padding: 130px 0; }
    .final-cta h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 650; letter-spacing: -0.02em; }
    .final-cta p { color: var(--muted); max-width: 620px; margin: 18px auto 30px; font-size: 1.1rem; line-height: 1.6; }

    /* 页脚 */
    footer { border-top: 1px solid var(--border); padding: 70px 0 40px; background: var(--bg-soft); }
    .foot-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; }
    .foot-brand .brand { font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; gap: 12px; }
    .foot-brand .brand img { height: 38px; width: 38px; border-radius: 8px; object-fit: cover; }
    .foot-brand .brand__text { display: flex; flex-direction: column; line-height: 1.2; }
    .foot-brand .brand__text [data-i18n="brand"] { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
    .foot-brand .brand__sub { font-size: 0.72rem; color: rgba(255,255,255,0.5); letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500; margin-top: 3px; }
    .foot-brand p { color: var(--muted); font-size: 0.9rem; margin-top: 14px; max-width: 320px; line-height: 1.6; }
    .foot-col h5 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 16px; }
    .foot-col a { display: block; color: #d8d8e0; text-decoration: none; font-size: 0.92rem; margin-bottom: 11px; transition: color 0.2s; }
    .foot-col a:hover { color: #fff; }
    .foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; flex-wrap: wrap; gap: 14px; }
    .foot-social { display: flex; gap: 18px; }
    .foot-social a { color: var(--muted); text-decoration: none; }
    .foot-social a:hover { color: #fff; }

    /* 滚动渐入 */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal.in { opacity: 1; transform: none; }

    /* RTL 适配 */
    [dir="rtl"] .quote { border-left: none; border-right: 3px solid var(--blue); padding: 8px 26px 8px 0; }
    [dir="rtl"] .story .who { flex-direction: row-reverse; }
    [dir="rtl"] .foot-bottom { flex-direction: row-reverse; }

    @media (max-width: 900px) {
      .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
      .split { grid-template-columns: 1fr; gap: 36px; }
      .res-grid { grid-template-columns: repeat(2, 1fr); }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .topnav .links { display: none; }
    }
    @media (max-width: 560px) {
      .grid.cols-3, .res-grid { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr; }
      .lang-switch { gap: 5px; }
      .lang-btn { padding: 5px 9px; font-size: 0.75rem; }
    }

    /* v4：卡片配图 */
    .show-card .thumb { background: #0a0a10; }
    .show-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
    .visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
    .visual::after {
      content: ""; position: absolute; inset: 0; border-radius: var(--radius); pointer-events: none;
      background: radial-gradient(circle at bottom right, rgba(6,6,8,0.9), transparent 26%);
    }
    .avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
    .res { flex-direction: column; }
    .res .res-thumb { position: relative; width: 100%; height: 110px; border-radius: 14px; overflow: hidden; margin-bottom: 14px; background: #0a0a10; }
    .res .res-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .res .res-thumb::after {
      content: ""; position: absolute; inset: 0; pointer-events: none;
      background: radial-gradient(circle at bottom right, rgba(6,6,8,0.9), transparent 26%);
    }

  /* ============ Accordion Gallery（服务对象） ============ */
  .accordion-gallery {
    --ag-accent: var(--blue);
    --ag-overlay: #060010;
    --ag-text: #ffffff;
    --ag-gap: 10px;
    --ag-radius: 16px;
    --ag-media-size: 320px;
    display: flex; flex-direction: row; gap: var(--ag-gap); width: 100%; max-width: 100%;
    margin-top: 44px; perspective: 1400px; perspective-origin: 50% 50%;
  }
  .accordion-gallery--vertical { flex-direction: column; }
  .ag-panel {
    position: relative; flex: 1 1 0; min-width: 0; min-height: 0; overflow: hidden;
    border-radius: var(--ag-radius); cursor: pointer; display: block; text-decoration: none;
    outline: none; transform-style: preserve-3d; transform-origin: center center; background: #0a0713;
    box-shadow: 0 10px 30px -18px rgba(0,0,0,0.8); will-change: flex-grow, transform;
    -webkit-tap-highlight-color: transparent;
  }
  .ag-panel:focus-visible { box-shadow: 0 0 0 2px var(--ag-accent), 0 10px 30px -18px rgba(0,0,0,0.8); }
  .ag-panel__frame { position: absolute; inset: 0; overflow: hidden; border-radius: inherit; }
  .ag-panel__media {
    --ag-gray: 1; --ag-dim: 0.35; position: absolute; top: 50%; left: 50%;
    width: var(--ag-media-size); height: 100%; filter: grayscale(var(--ag-gray)); will-change: transform, filter;
  }
  .accordion-gallery--vertical .ag-panel__media { width: 100%; height: var(--ag-media-size); }
  .ag-panel__media img { width: 100%; height: 100%; object-fit: cover; display: block; user-select: none; -webkit-user-drag: none; }
  .ag-panel__overlay {
    position: absolute; inset: 0; pointer-events: none;
    background:
      linear-gradient(180deg, transparent 45%, color-mix(in srgb, var(--ag-overlay) 78%, transparent) 100%),
      color-mix(in srgb, var(--ag-overlay) calc(var(--ag-dim, 0.35) * 100%), transparent);
  }
  .ag-panel__label { position: absolute; left: 20px; right: 20px; bottom: 20px; display: flex; align-items: center; gap: 12px; pointer-events: none; z-index: 2; }
  .ag-panel__bar {
    flex: 0 0 auto; width: 3px; height: 26px; border-radius: 3px; background: var(--ag-accent); opacity: 0;
    box-shadow: 0 0 12px color-mix(in srgb, var(--ag-accent) 60%, transparent);
  }
  .ag-panel__text {
    color: var(--ag-text); font-family: inherit; font-weight: 600; font-size: clamp(1rem, 1.4vw, 1.4rem);
    letter-spacing: 0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: 0;
    text-shadow: 0 2px 14px rgba(0,0,0,0.55);
  }
  @media (max-width: 520px) {
    .accordion-gallery { flex-direction: column; perspective: none; height: auto !important; }
    .ag-panel { min-height: 84px; transform: none !important; }
    .accordion-gallery .ag-panel__media { width: 100%; height: var(--ag-media-size); }
  }
  @media (prefers-reduced-motion: reduce) { .ag-panel, .ag-panel__media { will-change: auto; } }
  [dir="rtl"] .ag-panel__label { left: auto; right: 20px; flex-direction: row-reverse; }

  /* ============ 首期试点申请悬浮按钮与弹窗 ============ */
  .pilot-fab {
    position: fixed; left: 24px; bottom: 24px; z-index: 60;
    width: 180px; height: 92px;
    padding: 0; border: none; background: transparent;
    cursor: pointer; overflow: visible;
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.2s ease;
  }
  .pilot-fab:hover { transform: translateY(-3px); }
  .pilot-fab__art { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; display: block; }
  .pilot-fab__text {
    position: absolute;
    left: 40%; top: 75%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-weight: 700; font-size: 0.96rem; line-height: 1.2;
    text-align: center; white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.25);
  }
  [dir="rtl"] .pilot-fab { left: auto; right: 24px; }
  html[lang="en"] .pilot-fab__text { font-size: 0.81rem; }
  html[lang="ar"] .pilot-fab__text { font-size: 0.73rem; }

  .pilot-modal {
    position: fixed; inset: 0; z-index: 70;
    display: none; align-items: center; justify-content: center;
    padding: 20px;
    background: rgba(6,6,8,0.78);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  }
  .pilot-modal.is-open { display: flex; }
  .pilot-modal__dialog {
    position: relative; width: 100%; max-width: 720px; max-height: 92vh; overflow-y: auto;
    background: #0c0c14; border: 1px solid rgba(255,255,255,0.12); border-radius: 22px;
    padding: 36px; box-shadow: 0 40px 80px -20px rgba(0,0,0,0.7);
    scrollbar-width: none; -ms-overflow-style: none;
  }
  .pilot-modal__dialog::-webkit-scrollbar { display: none; }
  .pilot-modal__close {
    position: absolute; top: 18px; right: 18px;
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15); background: transparent;
    color: rgba(255,255,255,0.7); font-size: 1.4rem; line-height: 1;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
  }
  .pilot-modal__close:hover { background: rgba(255,255,255,0.08); color: #fff; }
  .pilot-modal__eyebrow {
    display: inline-block; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(255,255,255,0.55); padding: 5px 12px; border: 1px solid rgba(255,255,255,0.15); border-radius: 999px; margin-bottom: 18px;
  }
  .pilot-modal__title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 650; line-height: 1.15; }
  .pilot-modal__sub { color: rgba(255,255,255,0.65); font-size: 0.95rem; line-height: 1.7; margin-top: 10px; }

  .pilot-form { display: grid; gap: 18px; margin-top: 28px; }
  .pilot-field { display: flex; flex-direction: column; gap: 6px; }
  .pilot-field label { font-size: 0.85rem; color: rgba(255,255,255,0.75); font-weight: 500; }
  .pilot-field input,
  .pilot-field select,
  .pilot-field textarea {
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px;
    padding: 11px 14px; color: #fff; font-size: 0.95rem; font-family: inherit;
    outline: none; transition: border-color 0.2s, background 0.2s;
    -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text;
  }
  .pilot-field input:focus,
  .pilot-field select:focus,
  .pilot-field textarea:focus { border-color: #0a84ff; background: rgba(255,255,255,0.07); }
  .pilot-field input::placeholder,
  .pilot-field textarea::placeholder { color: rgba(255,255,255,0.35); }
  .pilot-field select option { background: #0c0c14; color: #fff; }
  .pilot-field textarea { resize: vertical; }
  .pilot-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .pilot-hint { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: -12px; }
  .pilot-consent { display: flex; gap: 10px; align-items: flex-start; }
  .pilot-consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: #0a84ff; flex-shrink: 0; }
  .pilot-consent label { font-size: 0.82rem; color: rgba(255,255,255,0.65); line-height: 1.5; }
  .pilot-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 4px; }
  .pilot-btn {
    padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
    cursor: pointer; border: 1px solid transparent; transition: background 0.2s, border-color 0.2s;
  }
  .pilot-btn--secondary { background: transparent; border-color: rgba(255,255,255,0.18); color: rgba(255,255,255,0.85); }
  .pilot-btn--secondary:hover { background: rgba(255,255,255,0.06); }
  .pilot-btn--primary { background: #0a84ff; color: #fff; }
  .pilot-btn--primary:hover { background: #0066cc; }
  @media (max-width: 640px) {
    .pilot-row { grid-template-columns: 1fr; }
    .pilot-modal__dialog { padding: 24px; }
    .pilot-actions { flex-direction: column; }
    .pilot-actions .pilot-btn { width: 100%; text-align: center; }
    .chat-fab { right: 14px; bottom: 14px; }
    .chat-panel { right: 8px; bottom: 14px; width: calc(100vw - 16px); }
    .chat-toast { right: 72px; bottom: 14px; }
    [dir="rtl"] .chat-fab { left: 14px; right: auto; }
    [dir="rtl"] .chat-panel { left: 8px; right: auto; }
    [dir="rtl"] .chat-toast { left: 72px; right: auto; }
  }

  /* ============ Q-Bot 垂直 3 按钮菜单 + 微信/电话 toast ============ */
  .chat-fab {
    position: fixed; right: 24px; bottom: 24px; z-index: 60;
    display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
    padding: 0; border: none; background: transparent;
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }
  .chat-fab__btn {
    position: relative;
    width: 48px; height: 48px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(12,12,20,0.85); color: #fff;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; padding: 0;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 6px 18px -4px rgba(0,0,0,0.55);
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
    font-family: inherit;
  }
  .chat-fab__btn:hover { transform: translateX(-4px); border-color: rgba(10,132,255,0.55); background: rgba(12,12,20,0.95); }
  .chat-fab__btn--active { background: #0a84ff; border-color: #0a84ff; }
  .chat-fab__btn--active:hover { background: #0066cc; border-color: #0066cc; }
  .chat-fab__btn svg { width: 22px; height: 22px; display: block; }
  .chat-fab__btn-label {
    position: absolute; right: calc(100% + 10px); top: 50%; transform: translate(6px, -50%);
    background: rgba(12,12,20,0.92); color: #fff;
    padding: 5px 11px; border-radius: 8px;
    font-size: 0.78rem; white-space: nowrap; pointer-events: none;
    opacity: 0; transition: opacity 0.18s ease, transform 0.18s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  }
  .chat-fab__btn:hover .chat-fab__btn-label { opacity: 1; transform: translate(0, -50%); }

  .chat-toast {
    position: fixed; right: 88px; bottom: 24px; z-index: 70;
    min-width: 240px; max-width: 320px;
    padding: 14px 16px;
    background: #0c0c14; color: #fff;
    border: 1px solid rgba(255,255,255,0.12); border-radius: 14px;
    box-shadow: 0 24px 48px -8px rgba(0,0,0,0.6);
    display: flex; align-items: flex-start; gap: 10px;
    opacity: 0; visibility: hidden; transform: translateX(20px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  }
  .chat-toast.is-open { opacity: 1; visibility: visible; transform: translateX(0); }
  .chat-toast__icon {
    width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%;
    background: rgba(10,132,255,0.18); color: #0a84ff;
    display: flex; align-items: center; justify-content: center;
  }
  .chat-toast__icon svg { width: 18px; height: 18px; display: block; }
  .chat-toast__body { flex: 1; min-width: 0; font-size: 0.85rem; line-height: 1.55; }
  .chat-toast__title { font-weight: 700; color: #fff; margin-bottom: 2px; }
  .chat-toast__text { color: rgba(255,255,255,0.75); }
  .chat-toast__close {
    background: transparent; border: none; color: rgba(255,255,255,0.5);
    cursor: pointer; padding: 0; font-size: 1.2rem; line-height: 1; flex-shrink: 0;
  }
  .chat-toast__close:hover { color: #fff; }

  .chat-panel {
    position: fixed; right: 24px; bottom: 110px; z-index: 70;
    width: 360px; max-width: calc(100vw - 48px); height: 520px; max-height: calc(100vh - 140px);
    display: none; flex-direction: column;
    background: #0c0c14; border: 1px solid rgba(255,255,255,0.12); border-radius: 22px;
    overflow: hidden; box-shadow: 0 40px 80px -20px rgba(0,0,0,0.7);
    transform: translateY(8px); opacity: 0; transition: transform 0.2s, opacity 0.2s;
  }
  .chat-panel.is-open { display: flex; transform: translateY(0); opacity: 1; }

  .chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; background: linear-gradient(135deg, #0a4d3a, #07382a);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .chat-avatar { width: 38px; height: 38px; border-radius: 50%; background: transparent; object-fit: contain; padding: 0; flex-shrink: 0; }
  .chat-title-wrap { flex: 1; min-width: 0; }
  .chat-title { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 1rem; color: #fff; }
  .chat-dot { width: 8px; height: 8px; border-radius: 50%; background: #00cc66; box-shadow: 0 0 8px #00cc66; flex-shrink: 0; }
  .chat-subtitle { font-size: 0.68rem; color: rgba(255,255,255,0.7); letter-spacing: 0.15em; text-transform: uppercase; margin-top: 2px; }
  .chat-close {
    width: 28px; height: 28px; border-radius: 50%; border: none;
    background: rgba(255,255,255,0.15); color: #fff; cursor: pointer;
    font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .chat-close:hover { background: rgba(255,255,255,0.28); }

  .chat-body { flex: 1; padding: 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; scrollbar-width: none; -ms-overflow-style: none; }
  .chat-body::-webkit-scrollbar { display: none; }

  .chat-greeting {
    font-size: 0.92rem; color: rgba(255,255,255,0.85); line-height: 1.6;
    padding: 12px 14px; background: rgba(255,255,255,0.05); border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.06);
  }
  .chat-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04);
    color: #fff; font-size: 0.92rem; cursor: pointer; transition: background 0.15s, border-color 0.15s;
    text-align: left; font-family: inherit;
  }
  .chat-option:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.25); }
  .chat-arrow { color: rgba(255,255,255,0.5); font-size: 1.1rem; transition: transform 0.15s; }
  .chat-option:hover .chat-arrow { transform: translateX(3px); color: #fff; }

  .chat-footnote { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: auto; line-height: 1.5; }

  [dir="rtl"] .chat-fab { right: auto; left: 24px; align-items: flex-start; }
  [dir="rtl"] .chat-fab__btn:hover { transform: translateX(4px); }
  [dir="rtl"] .chat-fab__btn-label { right: auto; left: calc(100% + 10px); transform: translate(-6px, -50%); }
  [dir="rtl"] .chat-fab__btn:hover .chat-fab__btn-label { transform: translate(0, -50%); }
  [dir="rtl"] .chat-panel { right: auto; left: 24px; }
  [dir="rtl"] .chat-option:hover .chat-arrow { transform: translateX(-3px); }
  [dir="rtl"] .chat-toast { right: auto; left: 88px; transform: translateX(-20px); }
  [dir="rtl"] .chat-toast.is-open { transform: translateX(0); }

  body.show-floating .pilot-fab,
  body.show-floating .chat-fab { opacity: 1; visibility: visible; }

  /* v57：空连接“敬请期待”无障碍对话框 */
  .expect-modal {
    position: fixed; inset: 0; z-index: 120; display: none; align-items: center; justify-content: center;
    padding: 20px; background: rgba(6,6,8,0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  }
  .expect-modal.is-open { display: flex; }
  .expect-modal__dialog {
    position: relative; width: min(430px, 100%); padding: 42px 34px 32px; text-align: center;
    border: 1px solid rgba(255,255,255,0.14); border-radius: 22px;
    background: radial-gradient(circle at 50% 0%, rgba(10,132,255,0.18), transparent 55%), #0c0c14;
    box-shadow: 0 34px 90px rgba(0,0,0,0.58);
  }
  .expect-modal__close {
    position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15); background: transparent; color: #fff;
    font-size: 1.35rem; cursor: pointer;
  }
  [dir="rtl"] .expect-modal__close { right: auto; left: 14px; }
  .expect-modal__icon {
    width: 58px; height: 58px; margin: 0 auto 18px; display: grid; place-items: center;
    border-radius: 18px; background: linear-gradient(135deg, #0a84ff, #9b2eff); font-size: 1.6rem;
    box-shadow: 0 14px 34px rgba(10,132,255,0.28);
  }
  .expect-modal h2 { font-size: 1.55rem; margin-bottom: 10px; }
  .expect-modal p { color: var(--muted); line-height: 1.7; }
  .expect-modal__confirm {
    margin-top: 24px; min-width: 126px; padding: 11px 22px; border: 0; border-radius: 999px;
    background: #0a84ff; color: #fff; font-family: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer;
  }
  :where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid #6eb5ff; outline-offset: 3px;
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
  }