/*
 * rwdcore.css
 * 全局 RWD 基礎規則
 * 三斷點系統：
 *   Desktop : min-width 1190px  （預設，不需 media query）
 *   Tablet  : 576px ~ 1189px
 *   Mobile  : max-width 575px
 */

/* =========================
   Tablet (576px ~ 1189px)
========================= */
@media (max-width: 1189px) {
  .guidance-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================
   Mobile (≤ 575px)
========================= */
@media (max-width: 575px) {

  /* ===== Typography ===== */
  .hengzhen-title {
    text-shadow:
      2px 2px 0 rgba(198, 40, 40, 0.15),
      4px 4px 0 rgba(212, 175, 55, 0.1);
  }

  .core-belief {
    letter-spacing: 2px;
  }

  .page-title {
    font-size: 2rem;
  }

  /* ===== Mobile nav (drawer) ===== */
  .hamburger {
    display: flex;
  }

  .nav-brand {
    font-size: 1.5rem !important;
  }

  .nav-bar {
    flex-direction: column;
    text-align: center;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, .1);
    transition: right .3s ease;
    z-index: 1000;
    justify-content: center;
    gap: 0;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-link {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    width: 100%;
    text-align: left;
    border-radius: 0;
  }

  .nav-link::after {
    display: none;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 999;
  }

  .nav-overlay.active {
    display: block;
  }

  /* ===== Shared blocks ===== */
  .announcement-box {
    padding: 1.2rem 1.5rem;
    margin-bottom: 3rem;
  }

  .announcement-text {
    font-size: 1.1rem;
  }

  .truth-highlight {
    font-size: 1.2rem;
    padding: .4rem .8rem;
  }

  .section-card {
    padding: 2rem 1.5rem;
  }

  /* ===== Shared grids ===== */
  .guidance-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .guidance-grid {
    gap: 1.5rem;
  }

  /* ===== Buttons ===== */
  .main-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .main-btn {
    width: 100%;
    max-width: 300px;
    padding: 1.5rem 2rem;
    font-size: 1.3rem;
    min-width: auto;
  }

  .action-button {
    width: 100%;
    padding: 1rem 1.5rem;
    min-width: auto;
  }

  /* ===== Decorative layers off on mobile ===== */
  .hz-imgwrap::after {
    display: none;
  }

  .hz-card::after {
    display: none;
  }
}