@media (min-width: 767px) {
  /* 詩區塊 */
  .poem-container {
    display: block;
    position: fixed;
    left: 5vw;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    color: #f8f8f8;
    font-size: 16px;
    line-height: 2.2;
    letter-spacing: 0.28em;
    font-family: "Noto Serif TC", serif; /* ✅ 更適合文青風格 */
    font-weight: 300;
    text-shadow: none; /* ✅ 先移除強烈陰影，保持乾淨 */
    text-align: justify;
    text-justify: inter-ideograph;
    font-style: italic;
  }

  /* 詩的各種版型 */
  .poem-content {
    opacity: 0;
    position: absolute;
    top: 50%;
    left: 2rem;
    transform: translateY(-50%);
    transition: opacity 1.5s ease;
    pointer-events: none;
    width: 300px;
  }
  .poem-content-up {
    opacity: 0;
    position: absolute;
    top: 0%;
    left: 2rem;
    transform: translateY(-100%);
    transition: opacity 1.5s ease;
    pointer-events: none;
    height: 400px;
    width: 300px;
  }
  .poem-content-straight {
    opacity: 0;
    position: absolute;
    top: 50%;
    left: 6rem;
    transform: translateY(-50%);
    transition: opacity 1.5s ease;
    pointer-events: none;
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-style: normal;
    height: 500px;
  }
  .poem-part {
    opacity: 0;
    transition: opacity 1.2s ease, transform 1.2s ease;
  }
  .poem-part-side {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .poem-line-left {
    width: 50px;
  }
  .poem-keyword {
    font-size: 64px;
    font-weight: 600;
    line-height: 1;
  }
  .poem-strong-big {
    font-size: 24px;
    font-weight: bold;
  }
  .word-bold {
    font-size: 20px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    display: inline-block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.2em;
  }

  /* 各頁面第1首詩要加 */
  .poem-active {
    opacity: 1;
    pointer-events: auto;
  }

  /* 位置微調細項 */
  .poem-space-1 {
    height: 1rem;
    content: "";
    display: block;
  }
  .poem-space-2 {
    height: 2rem;
    content: "";
    display: block;
  }
  .poem-space-width-2 {
    width: 2rem;
    content: "";
    display: block;
  }
  .poem-space-4 {
    height: 4rem;
    content: "";
    display: block;
  }
  .indent-1 {
    text-indent: 1em;
  }
  .indent-2 {
    text-indent: 2em;
  }
  .indent-3 {
    text-indent: 3em;
  }
  .indent-5 {
    text-indent: 5em;
  }
  .right-align {
    text-align: right;
  }

  /* 詩出現或消失 */
  .poem-show {
    opacity: 1;
  }

  /* 音樂按鈕 */
  .poem-audio-button {
    position: fixed;
    bottom: 50px;
    left: 50px;
    z-index: 3;
    cursor: pointer;
  }

  /* 裝飾物 */
  .geometry {
    left: -2vw;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding: 1.5rem 1rem;
    position: fixed;
    transform: translateY(-50%);
  }
  .geometry-line {
    width: 270px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin-top: 1rem;
  }
}