/* ============================================================
   琉急式 (LiuchiuNow) - Q&A 霓虹玻璃樣式
   ============================================================ */

:root {
  --nav-h: 80px;
  --marquee-h: 42px;
  --primary-green: #ffffff;     
  --accent-glow: #006994;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-main: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.65);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Noto Sans TC", sans-serif;
  background: #0a1118;
  color: var(--text-main);
  padding-top: calc(var(--nav-h) + var(--marquee-h) + 20px);
  min-height: 100vh;
}

/* ── 背景層級 ── */
.custom-photo-background {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -4;
  background-image: url('../圖片/DSC_3472.avif');
  background-size: cover; background-position: center; filter: brightness(0.6) saturate(1.1);
}
.ocean-background { 
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -3;
  background: linear-gradient(180deg, rgba(5,23,44,0.75) 0%, rgba(10,30,50,0.5) 100%);
}

/* ── 標題與搜尋 ── */
.qa-header { text-align: center; margin-bottom: 40px; padding: 0 20px; }
.qa-title {
  font-size: clamp(2rem, 6vw, 3rem); font-weight: 900;
  background: linear-gradient(135deg, #fff 40%, var(--primary-green) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px var(--accent-glow));
}
.qa-subtitle { color: var(--text-dim); font-size: 0.95rem; margin-top: 10px; }

.search-wrapper { position: relative; max-width: 500px; margin: 30px auto 0; }
.search-wrapper i {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-green); /* 你目前設定為白色 #ffffff */
  z-index: 10;                /* 🌟 確保圖示在輸入框上方 */
  pointer-events: none;       /* 🌟 讓點擊穿透圖示，點到後面的 input */
  font-size: 1.1rem;
}.search-wrapper input {
  width: 100%; padding: 16px 24px 16px 55px; border-radius: 12px;
  border: 1px solid var(--glass-border); background: rgba(0,0,0,0.4);
  color: white; backdrop-filter: blur(10px); outline: none; transition: 0.3s;
}
.search-wrapper input:focus { border-color: var(--primary-green); box-shadow: 0 0 15px var(--accent-glow); }

/* ── 容器與分類 ── */
.qa-page-wrapper { max-width: 800px; margin: 0 auto; }
.qa-main-container { padding: 0 20px 60px; }

.category-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.15rem; font-weight: 800; color: #fff;
  margin: 40px 0 20px; padding-left: 15px; border-left: 5px solid var(--primary-green);
}

/* ── QA 項目卡片 (框框感核心) ── */
.qa-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  margin-bottom: 12px;
  backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer; overflow: hidden;
}

.qa-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ── 問題區塊 ── */
.qa-question { padding: 22px 28px; display: flex; align-items: center; gap: 15px; }
.qa-question::before {
  content: 'Q.'; font-weight: 900; color: var(--primary-green); font-size: 1.1rem;
}
.qa-question span { font-size: 1.05rem; font-weight: 600; color: rgba(255, 255, 255, 0.95); transition: 0.3s; }

/* ── Active 狀態 (霓虹綠框框) ── */
.qa-item.active {
  background: rgba(18, 184, 134, 0.05);
  border: 1.5px solid var(--primary-green); /* 明亮的實體框 */
  box-shadow: 0 0 20px var(--accent-glow);
}
.qa-item.active .qa-question span { color: var(--primary-green); }

/* ── 答案內容 ── */
.qa-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s ease, opacity 0.3s ease; opacity: 0; }
.qa-item.active .qa-answer { grid-template-rows: 1fr; opacity: 1; }
.answer-content { overflow: hidden; padding: 0 28px 24px 52px; color: var(--text-dim); font-size: 0.98rem; line-height: 1.8; }

/* ── 狀態與頁尾 ── */
.loading-state { text-align: center; padding: 50px; color: var(--text-dim); }
.footer-meta { text-align: center; padding-bottom: 80px; }
#visitor-count { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 50px; background: rgba(0,0,0,0.3); border: 1px solid var(--glass-border); font-size: 0.85rem; color: var(--text-dim); }

@media (max-width: 600px) {
  .qa-main-container { padding: 0 15px 50px; }
  .qa-question { padding: 18px 20px; }
  .answer-content { padding: 0 20px 20px 45px; }
}

/* 自定義連結按鈕 */
.qa-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    padding: 10px 22px;
    background: transparent;
    border: 1.5px solid var(--primary-green);
    color: var(--primary-green) !important;
    text-decoration: none;
    border-radius: 50px; /* 膠囊型按鈕 */
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qa-link-btn:hover {
    background: var(--primary-green);
    color: #006884 !important; /* 碰觸時文字變黑，增加對比感 */
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-3px) scale(1.02);
}

.qa-link-btn i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.qa-link-btn:hover i {
    transform: translateX(3px); /* 箭頭微微向右動 */
}

/* 答案區塊排版優化 */
.answer-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.answer-content p {
    margin: 0;
}