/* ===== TOKENS ===== */
    :root {
      --navy: #0C1F36;
      --navy-dark: #060F1C;
      --gold: #C9971A;
      --gold-light: #DDB84A;
      --white: #FFFFFF;
      --snow: #F5F6F8;
      --smoke: #E8EAED;
      --ink: #1A1D22;
      --stone: #5F6670;
      --silver: #959CA6;
      --red: #C0392B;
      --primary: var(--navy);
      --accent: var(--gold);
      --accent-light: var(--gold-light);
      --bg: var(--white);
      --bg-light: var(--snow);
      --text: var(--ink);
      --text-secondary: var(--stone);
      --text-muted: var(--silver);
      --border: var(--smoke);
      --max-width: 1200px;
      --nav-height: 72px;
    }

    /* ===== RESET ===== */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6;
      min-height: 100vh;
    }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    img { max-width: 100%; display: block; }
    button { cursor: pointer; border: none; font-family: inherit; }

    /* ===== NAV ===== */
    .navbar {
      position: fixed; top: 0; width: 100%; z-index: 1000;
      height: var(--nav-height); display: flex; align-items: center; justify-content: space-between;
      padding: 0 40px; background: rgba(255,255,255,0.94); backdrop-filter: blur(16px);
      box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    }
    .nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; color: var(--primary); }
    .logo-img { height: 34px; width: auto; }
    .nav-links { display: flex; align-items: center; gap: 2rem; }
    .nav-links a {
      color: var(--text); font-size: 0.875rem; font-weight: 500; position: relative; padding: 4px 0;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 2px;
      background: var(--accent); transition: width 0.25s ease;
    }
    .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
    .nav-links a:hover, .nav-links a.active { color: var(--primary); }
    .nav-hot { position: relative; }
    .nav-hot::before {
      content: 'HOT'; position: absolute; top: -14px; right: -22px; font-size: 0.6rem;
      background: var(--red); color: var(--bg); padding: 1px 6px; border-radius: 10px; font-weight: 700;
    }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .btn-nav { padding: 7px 18px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }
    .btn-login { background: transparent; color: var(--text); border: 1px solid var(--border); }
    .btn-register { background: var(--accent); color: var(--primary); font-weight: 700; }
    .lang-toggle {
      background: transparent; color: var(--text); border: 1px solid var(--border);
      padding: 5px 10px; border-radius: 14px; font-size: 0.8rem; font-weight: 700; min-width: 38px;
    }
    .mobile-menu-btn { display: none; background: none; color: var(--text); font-size: 1.5rem; padding: 4px; }

    /* ===== PAGE BANNER ===== */
    .page-banner {
      margin-top: var(--nav-height); background: var(--navy); padding: 48px 0;
      text-align: left; position: relative; overflow: hidden;
    }
    .page-banner-inner { position: relative; z-index: 1; max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
    .page-banner h1 { font-size: 1.85rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
    .page-banner p { color: rgba(255,255,255,0.5); font-size: 0.92rem; max-width: 560px; line-height: 1.65; }
    .hero-tag {
      display: inline-block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.12em; color: var(--accent); margin-bottom: 12px;
    }

    /* ===== TRUCK PAGE ===== */
    .truck-notice { border-bottom: 1px solid var(--border); padding: 18px 0; }
    .truck-notice-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
    .truck-notice p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.65; }
    .truck-notice strong { color: var(--primary); font-weight: 600; }

    .truck-section { padding: 52px 0; }
    .truck-section.alt { background: var(--bg-light); }
    .truck-wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }
    .label {
      display: inline-block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.12em; color: var(--accent); margin-bottom: 8px;
    }
    .truck-section h2 {
      font-size: clamp(1.35rem, 2.5vw, 1.75rem); font-weight: 700; color: var(--primary);
      margin-bottom: 6px;
    }
    .truck-section .sec-desc {
      font-size: 0.88rem; color: var(--text-secondary); max-width: 520px; margin-bottom: 28px; line-height: 1.6;
    }

    .truck-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .truck-card {
      background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
      overflow: hidden; display: flex; flex-direction: column;
    }
    .truck-card-img { aspect-ratio: 16 / 10; background: var(--snow); overflow: hidden; }
    .truck-card-img img { width: 100%; height: 100%; object-fit: cover; }
    .truck-card-body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; gap: 8px; }
    .truck-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
    .truck-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--primary); line-height: 1.35; }
    .truck-badge {
      flex-shrink: 0; font-size: 0.65rem; font-weight: 600;
      padding: 2px 0; color: var(--accent); background: none; letter-spacing: 0.02em;
    }
    .truck-badge.new { color: #2E7D32; background: none; }
    .truck-chips { display: flex; flex-wrap: wrap; gap: 4px 0; }
    .truck-chips span {
      font-size: 0.75rem; color: var(--text-muted); background: none; padding: 0;
    }
    .truck-chips span:not(:last-child)::after { content: " · "; color: var(--silver); }
    .truck-price { margin-top: auto; padding-top: 10px; }
    .truck-price .amount {
      font-size: 1.2rem; font-weight: 700; color: var(--primary); line-height: 1.2;
    }
    .truck-price .amount small {
      font-size: 0.8rem; font-weight: 600; color: var(--text-secondary);
    }
    .truck-price .meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; line-height: 1.45; }
    .truck-card .wa-btn {
      display: inline-flex; align-items: center; justify-content: center; height: 38px;
      margin-top: 6px; background: var(--accent); color: var(--primary); border-radius: 4px;
      font-size: 0.82rem; font-weight: 700;
    }
    .truck-card .wa-btn:hover { background: var(--accent-light); }

    .truck-cta {
      background: var(--navy); padding: 64px 0; text-align: center;
    }
    .truck-cta-inner { max-width: 560px; margin: 0 auto; padding: 0 40px; }
    .truck-cta .label { color: var(--accent); }
    .truck-cta h2 { font-size: 1.6rem; color: var(--white); font-weight: 700; margin: 6px 0 10px; }
    .truck-cta p { font-size: 0.92rem; color: rgba(255,255,255,0.45); margin-bottom: 28px; line-height: 1.65; }
    .truck-cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
    .hero-btn-primary {
      display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 28px;
      background: var(--accent); color: var(--primary); border-radius: 6px; font-size: 0.95rem;
      font-weight: 700; transition: all 0.2s ease;
    }
    .hero-btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
    .hero-btn-ghost {
      display: inline-flex; align-items: center; height: 52px; padding: 0 28px; background: transparent;
      color: var(--white); border: 1.5px solid rgba(255,255,255,0.18); border-radius: 6px;
      font-size: 0.95rem; font-weight: 600; transition: all 0.2s ease;
    }
    .hero-btn-ghost:hover { border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.03); }

    /* ===== FOOTER ===== */
    .footer { background: var(--navy-dark); padding: 72px 0 0; color: var(--white); position: relative; }
    .footer::before {
      content: ''; position: absolute; top: 0; left: 40px; right: 40px; height: 1px;
      background: linear-gradient(90deg, transparent, rgba(201,151,26,0.25), transparent);
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.4fr 1fr 1.4fr 1fr; gap: 48px;
      max-width: var(--max-width); margin: 0 auto; padding: 0 40px 48px;
    }
    .footer-col h4 {
      font-size: 0.9rem; margin-bottom: 20px; color: var(--white); font-weight: 600;
      letter-spacing: 0.04em; padding-bottom: 12px; position: relative;
    }
    .footer-col h4::after {
      content: ''; position: absolute; bottom: 0; left: 0; width: 20px; height: 2px;
      background: var(--accent); border-radius: 1px;
    }
    .footer-col p, .footer-col a, .footer-item {
      color: rgba(255,255,255,0.3); font-size: 0.85rem; line-height: 1.7; display: block;
    }
    .footer-col a { padding: 3px 0; transition: color 0.2s ease; }
    .footer-col a:hover { color: var(--accent); }
    .footer-item { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
    .footer-item svg { color: rgba(255,255,255,0.15); flex-shrink: 0; margin-top: 4px; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.06); text-align: center; padding: 22px 0;
      font-size: 0.78rem; color: rgba(255,255,255,0.2);
    }

    @media (max-width: 1024px) {
      .truck-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    }
    @media (max-width: 768px) {
      .navbar { padding: 0 14px; }
      .nav-links { display: none; }
      .nav-links.open {
        display: flex; flex-direction: column; position: absolute; top: var(--nav-height);
        left: 0; width: 100%; background: var(--bg); padding: 16px 40px; gap: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1); z-index: 999;
      }
      .mobile-menu-btn { display: block; }
      .btn-login, .btn-register { display: none; }
      .page-banner { padding: 36px 0; }
      .page-banner h1 { font-size: 1.4rem; }
      .page-banner-inner,
      .truck-notice-inner,
      .truck-wrap,
      .truck-cta-inner,
      .footer-grid { padding-left: 14px; padding-right: 14px; }
      .truck-section { padding: 36px 0; }
      .truck-grid { grid-template-columns: 1fr; gap: 12px; }
      .truck-cta h2 { font-size: 1.35rem; }
      .truck-cta-btns { flex-direction: column; align-items: stretch; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    }