/* ============== Design Tokens ============== */
    :root {
      --c-ink: #0F172A;
      --c-ink-2: #334155;
      --c-ink-3: #64748B;
      --c-ink-4: #94A3B8;
      --c-line: #E2E8F0;
      --c-line-2: #CBD5E1;
      --c-bg: #F5F7FB;
      --c-surface: #FFFFFF;
      --c-surface-2: #F8FAFC;
      --c-brand: #0B2545;
      --c-brand-2: #143A6B;
      --c-accent: #F25C2A;
      --c-accent-2: #FF8A5B;
      --c-steel: #5A6478;
      --c-success: #15803D;
      --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
      --shadow-md: 0 4px 12px rgba(15,23,42,.06), 0 2px 4px rgba(15,23,42,.04);
      --shadow-lg: 0 18px 40px rgba(15,23,42,.08), 0 4px 12px rgba(15,23,42,.04);
      --r-sm: 4px;
      --r-md: 8px;
      --r-lg: 12px;
      --r-xl: 16px;
      --sp-1: 4px;
      --sp-2: 8px;
      --sp-3: 12px;
      --sp-4: 16px;
      --sp-5: 20px;
      --sp-6: 24px;
      --sp-8: 32px;
      --sp-10: 40px;
      --sp-12: 48px;
      --sp-16: 64px;
      --sp-20: 80px;
      --content-w: 1240px;
      --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-cn);
      color: var(--c-ink);
      background: var(--c-bg);
      font-size: 14px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
      color: inherit;
      padding: 0;
    }
    button:focus-visible {
      outline: 2px solid var(--c-accent);
      outline-offset: 2px;
    }
    .container {
      max-width: var(--content-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ============== Topbar ============== */
    .topbar {
      background: var(--c-brand);
      color: rgba(255,255,255,.78);
      font-size: 12px;
      height: 36px;
      display: flex;
      align-items: center;
    }
    .topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .topbar-left { display: flex; align-items: center; gap: 20px; }
    .topbar-right { display: flex; align-items: center; gap: 20px; }
    .topbar-item { display: inline-flex; align-items: center; gap: 6px; }
    .topbar-item svg { width: 12px; height: 12px; opacity: .9; }
    .topbar-divider { width: 1px; height: 12px; background: rgba(255,255,255,.18); }

    /* ============== Header / Nav ============== */
    .header {
      background: var(--c-surface);
      border-bottom: 1px solid var(--c-line);
      position: sticky;
      top: 0;
      z-index: 20;
    }
    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-mark {
      width: 50px;
      height: 50px;
      border-radius: 10px;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      border: 1px solid var(--c-line);
      box-shadow: var(--shadow-sm);
      flex-shrink: 0;
    }
    .brand-mark img { width: 100%; height: 100%; object-fit: contain; }
    /* 页脚品牌块：保持白底与深色背景形成对比 */
    .footer .brand-mark { border-color: rgba(255,255,255,.18); }
    .brand-text { display: flex; flex-direction: column; line-height: 1.1; }
    .brand-cn {
      font-size: 18px;
      font-weight: 600;
      color: var(--c-ink);
      letter-spacing: 0.04em;
    }
    .brand-en {
      font-size: 11px;
      color: var(--c-ink-3);
      letter-spacing: 0.18em;
      margin-top: 2px;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }
    .nav-item {
      padding: 10px 18px;
      font-size: 15px;
      color: var(--c-ink-2);
      font-weight: 500;
      border-radius: var(--r-md);
      position: relative;
      transition: color .18s ease, background .18s ease;
    }
    .nav-item:hover { color: var(--c-brand); background: var(--c-surface-2); }
    .nav-item.is-active { color: var(--c-brand); }
    .nav-item.is-active::after {
      content: '';
      position: absolute;
      left: 18px; right: 18px; bottom: 4px;
      height: 2px;
      background: var(--c-accent);
      border-radius: 2px;
    }

    .header-actions { display: flex; align-items: center; gap: 10px; }
    .icon-btn {
      width: 38px; height: 38px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--c-ink-2);
      border: 1px solid var(--c-line);
      background: var(--c-surface);
      transition: color .18s ease, border-color .18s ease, background .18s ease;
    }
    .icon-btn:hover { color: var(--c-brand); border-color: var(--c-brand); }
    .icon-btn svg { width: 18px; height: 18px; }
    .btn-primary {
      height: 40px;
      padding: 0 18px;
      background: var(--c-accent);
      color: #fff;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: background .18s ease, transform .18s ease;
    }
    .btn-primary:hover { background: #DC4A1A; }
    .btn-primary:active { transform: translateY(1px); }

    /* ============== Hero ============== */
    .hero {
      background:
        radial-gradient(1200px 600px at 80% 20%, rgba(255,255,255,.06), transparent 60%),
        linear-gradient(135deg, #061A36 0%, #0B2545 45%, #143A6B 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: radial-gradient(ellipse at 70% 50%, black 30%, transparent 70%);
      pointer-events: none;
    }
    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 60px;
      align-items: center;
      padding: 80px 0 96px;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 999px;
      font-size: 12px;
      color: rgba(255,255,255,.85);
      letter-spacing: 0.06em;
      background: rgba(255,255,255,.04);
    }
    .hero-eyebrow .dot {
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--c-accent);
      box-shadow: 0 0 0 4px rgba(242,92,42,.18);
    }
    .hero-title {
      font-size: 48px;
      font-weight: 700;
      line-height: 1.2;
      margin: 22px 0 18px;
      letter-spacing: 0.01em;
    }
    .hero-title .accent { color: var(--c-accent-2); }
    .hero-sub {
      font-size: 16px;
      line-height: 1.75;
      color: rgba(255,255,255,.74);
      max-width: 560px;
      margin: 0 0 32px;
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-bottom: 36px;
    }
    .hero-point {
      padding: 14px 16px;
      border-radius: 10px;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
    }
    .hero-point-num {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      line-height: 1.1;
    }
    .hero-point-num .unit { font-size: 13px; color: rgba(255,255,255,.7); margin-left: 4px; font-weight: 500; }
    .hero-point-label {
      font-size: 12px;
      color: rgba(255,255,255,.65);
      margin-top: 4px;
    }
    .hero-cta { display: flex; gap: 12px; align-items: center; }
    @media (max-width: 760px) {
      .hero-cta { flex-direction: column; align-items: stretch; }
      .hero-cta .btn-hero-primary,
      .hero-cta .btn-hero-ghost { width: 100%; justify-content: center; }
    }
    .btn-hero-primary {
      height: 48px;
      padding: 0 24px;
      background: var(--c-accent);
      color: #fff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: background .18s ease, transform .18s ease;
    }
    .btn-hero-primary:hover { background: #DC4A1A; }
    .btn-hero-primary:active { transform: translateY(1px); }
    .btn-hero-ghost {
      height: 48px;
      padding: 0 22px;
      background: transparent;
      color: #fff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255,255,255,.28);
      transition: background .18s ease, border-color .18s ease;
    }
    .btn-hero-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); }

    /* Hero visual */
    .hero-visual {
      position: relative;
      height: 460px;
      border-radius: 16px;
      background:
        radial-gradient(ellipse at center, rgba(255,255,255,.08) 0%, rgba(255,255,255,.02) 70%),
        linear-gradient(160deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
      border: 1px solid rgba(255,255,255,.1);
      overflow: hidden;
      box-shadow: 0 30px 80px rgba(0,0,0,.35);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .hero-visual img {
      width: 78%;
      height: 78%;
      object-fit: contain;
      filter: drop-shadow(0 18px 40px rgba(0,0,0,.45));
    }
    .hero-card-tag {
      position: absolute;
      top: 18px; left: 18px;
      padding: 6px 12px;
      border-radius: 999px;
      background: rgba(242,92,42,.16);
      color: var(--c-accent-2);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      border: 1px solid rgba(242,92,42,.4);
    }
    .hero-card-meta {
      position: absolute;
      bottom: 18px; left: 18px; right: 18px;
      display: flex;
      gap: 12px;
    }
    .hero-card-meta-item {
      flex: 1;
      padding: 10px 12px;
      border-radius: 8px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(6px);
    }
    .hero-card-meta-key { font-size: 11px; color: rgba(255,255,255,.6); }
    .hero-card-meta-val { font-size: 13px; color: #fff; font-weight: 600; margin-top: 2px; }

    /* ============== Stats strip ============== */
    .stats {
      background: var(--c-surface);
      border-bottom: 1px solid var(--c-line);
    }
    .stats-inner {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      padding: 36px 0;
    }
    .stat {
      padding: 0 32px;
      border-right: 1px solid var(--c-line);
    }
    .stat:last-child { border-right: none; }
    .stat-num {
      font-size: 36px;
      font-weight: 700;
      color: var(--c-brand);
      line-height: 1;
      letter-spacing: -0.01em;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .stat-num .unit { font-size: 16px; color: var(--c-ink-3); font-weight: 500; }
    .stat-label {
      font-size: 13px;
      color: var(--c-ink-3);
      margin-top: 10px;
    }

    /* ============== Section base ============== */
    .section {
      padding: 80px 0;
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 40px;
      gap: 32px;
    }
    .section-title-group { max-width: 720px; }
    .section-eyebrow {
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.18em;
      color: var(--c-accent);
      text-transform: uppercase;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--c-ink);
      margin: 12px 0 8px;
      line-height: 1.3;
    }
    .section-sub {
      font-size: 15px;
      color: var(--c-ink-3);
      line-height: 1.7;
    }
    .section-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: var(--c-brand);
      font-weight: 500;
      padding: 8px 0;
      border-bottom: 1px solid transparent;
    }
    .section-link:hover { border-bottom-color: var(--c-brand); }
    .section-link svg { width: 14px; height: 14px; }

    /* ============== Product categories ============== */
    .products {
      background: var(--c-surface);
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: var(--c-surface);
      border: 1px solid var(--c-line);
      border-radius: var(--r-lg);
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
      border-color: var(--c-line-2);
    }
    .product-cover {
      height: 200px;
      background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .product-cover img {
      width: 86%;
      height: 86%;
      object-fit: contain;
      filter: drop-shadow(0 4px 10px rgba(15,23,42,.08));
      transition: transform .25s ease;
    }
    .product-card:hover .product-cover img { transform: scale(1.04); }
    .product-tag {
      position: absolute;
      top: 12px; left: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      background: rgba(11,37,69,.85);
      color: #fff;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.04em;
    }
    .product-body {
      padding: 20px 22px 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .product-name {
      font-size: 17px;
      font-weight: 600;
      color: var(--c-ink);
      margin: 0 0 8px;
    }
    .product-desc {
      font-size: 13px;
      color: var(--c-ink-3);
      line-height: 1.65;
      margin: 0 0 14px;
      flex: 1;
    }
    .product-models {
      font-size: 12px;
      color: var(--c-ink-4);
      padding-top: 12px;
      border-top: 1px dashed var(--c-line);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .product-link {
      color: var(--c-brand);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .product-link:hover { color: var(--c-accent); }
    .product-link svg { width: 12px; height: 12px; }

    /* ============== Industries ============== */
    .industries {
      background: var(--c-bg);
    }
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .industry-card {
      background: var(--c-surface);
      border: 1px solid var(--c-line);
      border-radius: var(--r-lg);
      padding: 28px 18px;
      text-align: center;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .industry-card:hover {
      transform: translateY(-2px);
      border-color: var(--c-brand);
      box-shadow: var(--shadow-md);
    }
    .industry-icon {
      width: 52px; height: 52px;
      margin: 0 auto 14px;
      border-radius: 12px;
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--c-brand);
    }
    .industry-icon svg { width: 26px; height: 26px; }
    .industry-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--c-ink);
    }
    .industry-en {
      font-size: 11px;
      color: var(--c-ink-4);
      margin-top: 4px;
      letter-spacing: 0.04em;
    }

    /* ============== Why us ============== */
    .why-us {
      background: var(--c-surface);
    }
    .why-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .why-card {
      padding: 28px 24px;
      border-radius: var(--r-lg);
      background: var(--c-surface-2);
      border: 1px solid var(--c-line);
      position: relative;
    }
    .why-num {
      font-size: 36px;
      font-weight: 700;
      color: var(--c-brand);
      opacity: .15;
      position: absolute;
      top: 16px; right: 20px;
      line-height: 1;
    }
    .why-icon {
      width: 44px; height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-2) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      margin-bottom: 16px;
    }
    .why-icon svg { width: 22px; height: 22px; }
    .why-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--c-ink);
      margin: 0 0 8px;
    }
    .why-desc {
      font-size: 13px;
      color: var(--c-ink-3);
      line-height: 1.7;
      margin: 0;
    }

    /* ============== News ============== */
    .news {
      background: var(--c-bg);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--c-surface);
      border: 1px solid var(--c-line);
      border-radius: var(--r-lg);
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .news-cover {
      height: 160px;
      background: linear-gradient(135deg, #0B2545 0%, #143A6B 100%);
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,.85);
    }
    .news-cover-pattern {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .news-cover svg { position: relative; width: 64px; height: 64px; opacity: .9; }
    .news-date {
      position: absolute;
      top: 14px; left: 14px;
      padding: 6px 10px;
      border-radius: 6px;
      background: rgba(255,255,255,.92);
      color: var(--c-brand);
      font-size: 12px;
      font-weight: 600;
    }
    .news-body {
      padding: 22px 22px 24px;
    }
    .news-tag {
      font-size: 11px;
      color: var(--c-accent);
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--c-ink);
      margin: 0 0 10px;
      line-height: 1.5;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--c-ink-3);
      line-height: 1.7;
      margin: 0;
    }

    /* ============== Contact ============== */
    .contact {
      background: var(--c-surface);
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: stretch;
    }
    .contact-info {
      padding: 8px 0;
    }
    .contact-list { display: grid; gap: 18px; margin-top: 28px; }
    .contact-item {
      display: flex;
      gap: 16px;
      padding: 18px 20px;
      border: 1px solid var(--c-line);
      border-radius: var(--r-md);
      background: var(--c-surface-2);
    }
    .contact-icon {
      width: 40px; height: 40px;
      flex-shrink: 0;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-2) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }
    .contact-icon svg { width: 20px; height: 20px; }
    .contact-text { display: flex; flex-direction: column; }
    .contact-key {
      font-size: 12px;
      color: var(--c-ink-3);
      margin-bottom: 2px;
    }
    .contact-val {
      font-size: 15px;
      color: var(--c-ink);
      font-weight: 600;
    }
    .contact-val-sub { font-size: 12px; color: var(--c-ink-4); margin-top: 2px; }

    /* Inquiry form */
    .inquiry {
      padding: 32px;
      border-radius: var(--r-lg);
      background: linear-gradient(160deg, #F8FAFC 0%, #EFF6FF 100%);
      border: 1px solid var(--c-line);
    }
    .inquiry-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--c-ink);
      margin: 0 0 6px;
    }
    .inquiry-sub {
      font-size: 13px;
      color: var(--c-ink-3);
      margin: 0 0 22px;
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
    .form-field { display: flex; flex-direction: column; }
    .form-field.full { grid-column: 1 / -1; }
    .form-label {
      font-size: 12px;
      color: var(--c-ink-2);
      margin-bottom: 6px;
      font-weight: 500;
    }
    .form-label .req { color: var(--c-accent); margin-left: 2px; font-weight: 600; }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      height: 40px;
      padding: 0 12px;
      border: 1px solid var(--c-line);
      border-radius: 6px;
      background: #fff;
      font-size: 13px;
      color: var(--c-ink);
      font-family: inherit;
      transition: border-color .18s ease, box-shadow .18s ease;
    }
    .form-textarea { height: 96px; padding: 10px 12px; resize: vertical; line-height: 1.55; }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--c-brand);
      box-shadow: 0 0 0 3px rgba(11,37,69,.08);
    }
    .form-submit {
      margin-top: 14px;
      width: 100%;
      height: 46px;
      background: var(--c-accent);
      color: #fff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: background .18s ease;
    }
    .form-submit:hover { background: #DC4A1A; }
    .form-hint { font-size: 11px; color: var(--c-ink-4); margin-top: 10px; text-align: center; }

    /* ============== Footer ============== */
    .footer {
      background: #061A36;
      color: rgba(255,255,255,.72);
      padding: 56px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .footer-brand .brand-cn { color: #fff; font-size: 20px; }
    .footer-brand .brand-en { color: rgba(255,255,255,.5); }
    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      margin: 16px 0 18px;
      color: rgba(255,255,255,.6);
      max-width: 360px;
    }
    .footer-cert {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      border-radius: 6px;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      font-size: 12px;
      color: rgba(255,255,255,.7);
    }
    .footer-col-title {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      margin: 6px 0 18px;
    }
    .footer-list { list-style: none; padding: 0; margin: 0; }
    .footer-list li { margin-bottom: 10px; }
    .footer-link {
      font-size: 13px;
      color: rgba(255,255,255,.65);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color .18s ease;
    }
    .footer-link:hover { color: var(--c-accent-2); }
    .footer-contact-item {
      display: flex;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 13px;
      color: rgba(255,255,255,.7);
      align-items: flex-start;
    }
    .footer-contact-item svg { width: 14px; height: 14px; color: var(--c-accent-2); flex-shrink: 0; margin-top: 3px; }

    .footer-bottom {
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: rgba(255,255,255,.5);
    }
    .footer-bottom-links { display: flex; gap: 20px; }
    .footer-bottom-links a, .footer-bottom-links button { color: rgba(255,255,255,.55); font-size: 12px; }
    .footer-bottom-links a:hover, .footer-bottom-links button:hover { color: #fff; }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
      * { transition: none !important; animation: none !important; }
    }

    /* ============== Responsive ============== */
    @media (max-width: 1100px) {
      .product-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(3, 1fr); }
      .why-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
      .footer-grid > div:last-child { grid-column: 1 / -1; padding-top: 8px; border-top: 1px solid rgba(255,255,255,.08); }
    }
    @media (max-width: 760px) {
      .topbar .container { font-size: 11px; }
      .topbar-left, .topbar-right { gap: 12px; }
      .header-inner { height: 64px; gap: 12px; }
      .brand-en { display: none; }
      /* 只隐藏顶部桌面 nav，不影响抽屉内的 .nav */
      header .header-inner > .nav { display: none; }
      .header-actions .icon-btn { display: none; }
      .header-actions .btn-primary { padding: 0 12px; height: 36px; font-size: 13px; }
      .hero-inner { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 72px; }
      .hero-title { font-size: 32px; }
      .hero-points { grid-template-columns: 1fr; gap: 10px; margin-bottom: 28px; }
      .hero-visual { height: 320px; }
      .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
      .stat { padding: 0 20px; }
      .stat:nth-child(odd) { border-right: 1px solid var(--c-line); }
      .stat:nth-child(2) { border-right: 0; }
      .product-grid { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .why-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; gap: 32px; }
      .form-row { grid-template-columns: 1fr; }
      .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-grid > div:last-child { grid-column: auto; padding-top: 24px; }
      .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
    }

    /* ===========================================================
       内页公共样式（产品中心/新闻/关于/联系/详情）
       - 蓝色 page-hero + 面包屑
       - 居中排版的 section-head（与首页的 flex 左右排版区别）
       - cta-band（底部行动召唤条）
       =========================================================== */

    /* ============== Page Hero（蓝色背景 + 网格纹路）============== */
    .page-hero {
      background: linear-gradient(135deg, #061A36 0%, #0B2545 50%, #143A6B 100%);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
      -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
      pointer-events: none;
    }
    .page-hero-inner {
      position: relative;
      padding: 64px 0 56px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .crumbs {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: rgba(255,255,255,.6);
    }
    .crumbs a, .crumbs button {
      color: rgba(255,255,255,.6);
      text-decoration: none;
      background: none;
      border: 0;
      padding: 0;
      cursor: pointer;
    }
    .crumbs a:hover, .crumbs button:hover { color: #fff; }
    .crumbs .sep { color: rgba(255,255,255,.3); }
    .crumbs .current { color: #fff; font-weight: 500; }
    .page-hero h1 {
      font-size: 40px;
      font-weight: 700;
      margin: 0;
      letter-spacing: 0.01em;
    }
    .page-hero h1 .accent { color: var(--c-accent-2); }
    .page-hero p {
      font-size: 15px;
      color: rgba(255,255,255,.75);
      max-width: 720px;
      margin: 0;
      line-height: 1.75;
    }

    /* ============== 居中 section-head（内页通用）============== */
    .section-head.is-centered {
      display: block;
      max-width: 760px;
      margin: 0 auto 48px;
      text-align: center;
    }
    .section-head.is-centered .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 0;
    }
    .section-head.is-centered .section-eyebrow::before {
      content: '';
      width: 28px;
      height: 2px;
      background: var(--c-accent);
      border-radius: 2px;
    }
    .section-head.is-centered .section-title {
      margin: 14px 0 12px;
    }
    .section-head.is-centered .section-title .accent {
      color: var(--c-accent);
    }
    .section-head.is-centered .section-sub {
      margin: 0 auto;
    }

    /* ============== CTA Band（底部行动召唤条）============== */
    .cta-band {
      background: linear-gradient(135deg, #061A36 0%, #0B2545 100%);
      color: #fff;
      padding: 64px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-band::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 36px 36px;
      mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
      -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
    }
    .cta-band .inner { position: relative; }
    .cta-band h2 {
      font-size: 30px;
      font-weight: 700;
      margin: 0 0 12px;
      letter-spacing: -.01em;
    }
    .cta-band h2 .accent { color: var(--c-accent-2); }
    .cta-band p {
      font-size: 15px;
      color: rgba(255,255,255,.75);
      margin: 0 auto 24px;
      max-width: 580px;
      line-height: 1.75;
    }
    .cta-band .actions {
      display: inline-flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .cta-band .btn-warm {
      height: 46px;
      padding: 0 24px;
      background: var(--c-accent);
      color: #fff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
      border: 0;
      cursor: pointer;
    }
    .cta-band .btn-warm:hover { background: #DC4A1A; }
    .cta-band .btn-line {
      height: 46px;
      padding: 0 24px;
      background: transparent;
      color: #fff;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255,255,255,.3);
      text-decoration: none;
      cursor: pointer;
    }
    .cta-band .btn-line:hover {
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.6);
    }
    .cta-band .btn-warm svg, .cta-band .btn-line svg {
      width: 16px;
      height: 16px;
    }

    /* Page Hero 响应式 */
    @media (max-width: 760px) {
      .page-hero-inner { padding: 48px 0 40px; }
      .page-hero h1 { font-size: 28px; }
      .cta-band { padding: 48px 0; }
      .cta-band h2 { font-size: 22px; }
    }