/* ============================================
   app_hk — 單 APP 下載官網模板（繁體中文／香港）
   深色科技漸變主題 / 流動裝置優先
   ============================================ */
:root {
  --as-bg: #0b0e1a;
  --as-bg2: #111527;
  --as-bg3: #161b30;
  --as-primary: #4f6bff;
  --as-purple: #8b5cf6;
  --as-accent: #22d3ee;
  --as-text: #e8ebf5;
  --as-muted: #9aa3b8;
  --as-card: rgba(255, 255, 255, 0.05);
  --as-card-hover: rgba(255, 255, 255, 0.09);
  --as-border: rgba(255, 255, 255, 0.09);
  --as-radius: 16px;
  --as-grad: linear-gradient(135deg, #4f6bff 0%, #8b5cf6 55%, #22d3ee 130%);
  --as-grad-soft: linear-gradient(135deg, rgba(79,107,255,.18), rgba(139,92,246,.12) 55%, rgba(34,211,238,.10));
  --as-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Microsoft JhengHei", "Noto Sans HK", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--as-bg);
  color: var(--as-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.as-container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- 頂部導航 ---------- */
.as-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 14, 26, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--as-border);
}
.as-header-inner { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.as-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.as-logo-icon {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: var(--as-grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: 0 4px 14px rgba(79, 107, 255, 0.45);
}
.as-nav { display: flex; align-items: center; gap: 26px; flex: 1; flex-wrap: wrap; row-gap: 4px; }
.as-nav a { color: var(--as-muted); font-size: 15px; transition: color .2s; }
.as-nav a:hover { color: var(--as-text); }
.as-header-cta {
  background: var(--as-grad); color: #fff !important;
  padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 600;
  box-shadow: 0 4px 18px rgba(79, 107, 255, 0.4);
  transition: transform .2s, box-shadow .2s;
}
.as-header-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(79, 107, 255, 0.55); }
.as-nav-toggle { display: none; background: none; border: 1px solid var(--as-border); color: var(--as-text); border-radius: 8px; padding: 6px 12px; font-size: 18px; cursor: pointer; }

/* ---------- Hero ---------- */
.as-hero { position: relative; overflow: hidden; padding: 90px 0 70px; }
.as-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 15% 20%, rgba(79, 107, 255, 0.22), transparent 65%),
    radial-gradient(500px 380px at 85% 30%, rgba(139, 92, 246, 0.18), transparent 65%),
    radial-gradient(420px 320px at 60% 90%, rgba(34, 211, 238, 0.10), transparent 65%);
  pointer-events: none;
}
.as-hero-inner { position: relative; display: flex; align-items: center; gap: 48px; }
.as-hero-text { flex: 1; }
.as-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--as-border); background: var(--as-card);
  border-radius: 999px; padding: 6px 16px; font-size: 13px; color: var(--as-accent);
  margin-bottom: 20px;
}
.as-hero-title { font-size: 44px; font-weight: 800; line-height: 1.25; margin-bottom: 8px; }
.as-hero-title em {
  font-style: normal;
  background: var(--as-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.as-hero-slogan { font-size: 18px; color: var(--as-muted); margin-bottom: 24px; max-width: 520px; }
.as-hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.as-badge {
  font-size: 13px; color: var(--as-muted);
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: 8px; padding: 5px 12px;
}
.as-badge b { color: var(--as-text); font-weight: 600; }

/* 下載按鈕組 */
.as-dl-group { display: flex; flex-wrap: wrap; gap: 14px; }
.as-btn-dl {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 12px; font-size: 15px; font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.as-btn-dl svg { width: 20px; height: 20px; fill: currentColor; }
.as-btn-dl:hover { transform: translateY(-2px); }
.as-btn-android { background: var(--as-grad); color: #fff; box-shadow: 0 6px 24px rgba(79, 107, 255, 0.45); }
.as-btn-android:hover { box-shadow: 0 10px 30px rgba(79, 107, 255, 0.6); }
.as-btn-ios { background: var(--as-card); color: var(--as-text); border: 1px solid var(--as-border); }
.as-btn-ios:hover { background: var(--as-card-hover); }
.as-btn-dl small { display: block; font-size: 11px; font-weight: 400; opacity: .75; line-height: 1.3; }

/* 手機樣機 */
.as-phone {
  width: 270px; height: 545px; flex-shrink: 0;
  border-radius: 38px; border: 3px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(160deg, #1a2142, #0d1122 70%);
  box-shadow: var(--as-shadow), 0 0 80px rgba(79, 107, 255, 0.18);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
}
.as-phone::before {
  content: ""; position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  width: 86px; height: 22px; border-radius: 12px; background: rgba(0, 0, 0, 0.55);
}
.as-phone-screen {
  width: 96px; height: 96px; border-radius: 24px;
  background: var(--as-grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 800; color: #fff;
  box-shadow: 0 10px 34px rgba(79, 107, 255, 0.5);
}
.as-phone-name { font-size: 18px; font-weight: 700; }
.as-phone-sub { font-size: 12px; color: var(--as-muted); }
.as-phone-dl {
  margin-top: 6px; font-size: 12px; color: #fff;
  background: var(--as-grad); border-radius: 999px; padding: 7px 22px;
}

/* ---------- 通用 Section ---------- */
.as-section { padding: 76px 0; }
.as-section-alt { background: var(--as-bg2); }
.as-sec-head { text-align: center; margin-bottom: 44px; }
.as-sec-en {
  font-size: 12px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--as-accent); margin-bottom: 8px; font-weight: 600;
}
.as-sec-head h2 { font-size: 32px; font-weight: 800; }
.as-sec-head p { color: var(--as-muted); margin-top: 10px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* ---------- 功能特色 ---------- */
.as-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.as-feature {
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: var(--as-radius); padding: 30px 26px;
  transition: transform .25s, background .25s, border-color .25s;
}
.as-feature:hover { transform: translateY(-4px); background: var(--as-card-hover); border-color: rgba(79, 107, 255, 0.45); }
.as-feature-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
  background: var(--as-grad-soft); border: 1px solid var(--as-border);
  display: flex; align-items: center; justify-content: center;
}
.as-feature-icon svg { width: 26px; height: 26px; fill: var(--as-accent); }
.as-feature h3 { font-size: 18px; margin-bottom: 8px; }
.as-feature p { font-size: 14px; color: var(--as-muted); }

/* ---------- 快速了解問答 ---------- */
.as-qa-wrap { max-width: 820px; margin: 0 auto; }
.as-qa { border: 1px solid var(--as-border); border-radius: 14px; background: var(--as-card); margin-bottom: 14px; overflow: hidden; }
.as-qa[open] { border-color: rgba(79, 107, 255, 0.5); background: var(--as-card-hover); }
.as-qa summary {
  cursor: pointer; list-style: none; padding: 18px 22px;
  font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 12px;
}
.as-qa summary::-webkit-details-marker { display: none; }
.as-qa summary::before {
  content: "?"; flex-shrink: 0;
  width: 26px; height: 26px; border-radius: 8px; font-size: 14px; font-weight: 700;
  background: var(--as-grad-soft); color: var(--as-accent);
  display: flex; align-items: center; justify-content: center;
}
.as-qa summary::after {
  content: "+"; margin-left: auto; color: var(--as-muted); font-size: 20px; transition: transform .2s;
}
.as-qa[open] summary::after { transform: rotate(45deg); color: var(--as-accent); }
.as-qa-body { padding: 0 22px 18px 60px; color: var(--as-muted); font-size: 15px; }
.as-qa-body a { color: var(--as-accent); }
.as-qa-more { text-align: center; margin-top: 26px; }
.as-qa-more a { color: var(--as-muted); font-size: 14px; border-bottom: 1px dashed var(--as-border); }
.as-qa-more a:hover { color: var(--as-accent); }

/* ---------- 應用截圖 ---------- */
.as-shots { display: flex; gap: 24px; overflow-x: auto; padding: 10px 4px 26px; }
.as-shot {
  flex: 0 0 210px; height: 420px; border-radius: 26px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: rgba(255, 255, 255, 0.8); font-size: 14px;
}
.as-shot i { width: 54px; height: 54px; border-radius: 16px; background: rgba(255, 255, 255, 0.16); }
.as-shot-1 { background: linear-gradient(160deg, #2b3a8f, #101736); }
.as-shot-2 { background: linear-gradient(160deg, #5b3a9e, #171033); }
.as-shot-3 { background: linear-gradient(160deg, #0e7490, #0c1c2e); }
.as-shot-4 { background: linear-gradient(160deg, #4338ca, #131a3a); }
.as-shot-5 { background: linear-gradient(160deg, #7c3aed, #1a1233); }
.as-shots::-webkit-scrollbar { height: 6px; }
.as-shots::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 3px; }

/* ---------- 最新動態 ---------- */
.as-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.as-news-card {
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: var(--as-radius); overflow: hidden;
  transition: transform .25s, background .25s;
  display: flex; flex-direction: column;
}
.as-news-card:hover { transform: translateY(-4px); background: var(--as-card-hover); }
.as-news-cover { height: 150px; background: var(--as-grad-soft); overflow: hidden; }
.as-news-cover img { width: 100%; height: 100%; object-fit: cover; }
.as-news-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.as-news-body h3 { font-size: 16px; line-height: 1.5; margin-bottom: 10px; }
.as-news-body h3 a:hover { color: var(--as-accent); }
.as-news-body p { font-size: 13px; color: var(--as-muted); flex: 1; margin-bottom: 12px; }
.as-news-meta { font-size: 12px; color: var(--as-muted); display: flex; gap: 14px; }
.as-news-more { text-align: center; margin-top: 32px; }
.as-btn-ghost {
  display: inline-block; padding: 11px 34px; border-radius: 999px;
  border: 1px solid rgba(79, 107, 255, 0.55); color: var(--as-text);
  font-size: 14px; transition: background .2s, border-color .2s;
}
.as-btn-ghost:hover { background: rgba(79, 107, 255, 0.15); border-color: var(--as-primary); }

/* ---------- 用戶評價 ---------- */
.as-review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.as-review {
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: var(--as-radius); padding: 26px;
}
.as-stars { color: #fbbf24; letter-spacing: 3px; margin-bottom: 12px; font-size: 14px; }
.as-review p { font-size: 14px; color: var(--as-muted); margin-bottom: 16px; }
.as-review-user { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.as-review-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--as-grad); color: #fff; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- 底部 CTA ---------- */
.as-cta {
  position: relative; overflow: hidden; text-align: center;
  border-radius: 24px; padding: 60px 30px;
  background: var(--as-grad-soft); border: 1px solid rgba(79, 107, 255, 0.35);
}
.as-cta h2 { font-size: 30px; margin-bottom: 12px; }
.as-cta p { color: var(--as-muted); margin-bottom: 28px; }
.as-cta .as-dl-group { justify-content: center; }

/* ---------- 頁腳 ---------- */
.as-footer { background: var(--as-bg2); border-top: 1px solid var(--as-border); padding: 54px 0 0; margin-top: 76px; }
.as-footer-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; }
.as-footer h4 { font-size: 16px; margin-bottom: 12px; }
.as-footer-brand p { font-size: 13px; color: var(--as-muted); max-width: 320px; }
.as-footer-col h5 { font-size: 14px; color: var(--as-text); margin-bottom: 14px; }
.as-footer-col li { margin-bottom: 9px; }
.as-footer-col a { font-size: 13px; color: var(--as-muted); }
.as-footer-col a:hover { color: var(--as-accent); }
.as-footer-copy {
  border-top: 1px solid var(--as-border); padding: 18px 0;
  font-size: 12px; color: var(--as-muted); text-align: center;
}
.as-footer-copy a { color: var(--as-muted); margin: 0 6px; }
.as-footer-copy a:hover { color: var(--as-accent); }
.as-footer-disclaimer { text-align: center; font-size: 12px; color: rgba(154, 163, 184, 0.6); padding: 0 0 16px; }

/* 流動裝置 sticky 下載列 */
.as-sticky-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(17, 21, 39, 0.95); backdrop-filter: blur(12px);
  border-top: 1px solid var(--as-border);
  padding: 10px 16px; align-items: center; gap: 12px;
}
.as-sticky-info { flex: 1; }
.as-sticky-info b { font-size: 14px; display: block; }
.as-sticky-info span { font-size: 11px; color: var(--as-muted); }
.as-sticky-bar .as-btn-dl { padding: 10px 22px; font-size: 14px; border-radius: 10px; }

/* ---------- 頁頭橫幅（內頁） ---------- */
.as-page-hero {
  padding: 52px 0; text-align: center;
  background: var(--as-grad-soft); border-bottom: 1px solid var(--as-border);
}
.as-page-hero h1 { font-size: 30px; margin-bottom: 8px; }
.as-page-hero p { color: var(--as-muted); font-size: 14px; }

/* 麵包屑 */
.as-crumb { padding: 18px 0; font-size: 13px; color: var(--as-muted); }
.as-crumb a { color: var(--as-muted); }
.as-crumb a:hover { color: var(--as-accent); }
.as-crumb .sep { margin: 0 8px; color: rgba(154, 163, 184, 0.4); }
.as-crumb .cur { color: var(--as-text); }

/* ---------- 文章列表頁 ---------- */
.as-list-layout { display: grid; grid-template-columns: 1fr 300px; gap: 30px; align-items: start; }
.as-article-list { display: flex; flex-direction: column; gap: 16px; }
.as-article-item {
  display: flex; gap: 18px; padding: 20px;
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: var(--as-radius); transition: background .2s, border-color .2s;
}
.as-article-item:hover { background: var(--as-card-hover); border-color: rgba(79, 107, 255, 0.4); }
.as-article-cover { width: 168px; height: 112px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--as-grad-soft); }
.as-article-cover img { width: 100%; height: 100%; object-fit: cover; }
.as-article-body h3 { font-size: 16px; line-height: 1.55; margin-bottom: 8px; }
.as-article-body h3 a:hover { color: var(--as-accent); }
.as-article-body p { font-size: 13px; color: var(--as-muted); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.as-article-meta { font-size: 12px; color: var(--as-muted); display: flex; gap: 14px; }

/* 分頁 */
.as-page { display: flex; justify-content: center; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.as-page a, .as-page span {
  min-width: 38px; height: 38px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; font-size: 14px;
  background: var(--as-card); border: 1px solid var(--as-border); color: var(--as-muted);
}
.as-page a:hover { color: var(--as-text); border-color: var(--as-primary); }
.as-page .cur { background: var(--as-grad); color: #fff; border-color: transparent; font-weight: 600; }
.as-page .disabled { opacity: .4; }
.as-page .total { border: none; background: none; }

/* ---------- 詳情頁 ---------- */
.as-detail-card {
  background: var(--as-card); border: 1px solid var(--as-border);
  border-radius: var(--as-radius); padding: 32px;
}
.as-detail-card h1 { font-size: 26px; line-height: 1.5; margin-bottom: 14px; }
.as-detail-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; color: var(--as-muted); padding-bottom: 20px; border-bottom: 1px solid var(--as-border); margin-bottom: 24px; }
.as-detail-body { font-size: 15px; line-height: 1.9; color: #cdd3e1; }
.as-detail-body img { border-radius: 12px; margin: 14px 0; }
.as-detail-body p { margin-bottom: 14px; }
.as-detail-body h2, .as-detail-body h3 { margin: 22px 0 12px; color: var(--as-text); }
.as-detail-tags { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; }
.as-detail-tags a {
  font-size: 12px; padding: 5px 14px; border-radius: 999px;
  background: var(--as-card); border: 1px solid var(--as-border); color: var(--as-muted);
}
.as-detail-tags a:hover { color: var(--as-accent); border-color: var(--as-accent); }
.as-detail-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--as-border); font-size: 14px; }
.as-detail-nav a:hover { color: var(--as-accent); }
.as-detail-nav .none { color: rgba(154, 163, 184, 0.45); }

/* 側欄 */
.as-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 84px; }
.as-side-card { background: var(--as-card); border: 1px solid var(--as-border); border-radius: var(--as-radius); padding: 24px; }
.as-side-card h4 { font-size: 16px; margin-bottom: 16px; }
.as-ver-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--as-muted); padding: 7px 0; }
.as-ver-row b { color: var(--as-text); font-weight: 600; }
.as-side-dl { display: block; text-align: center; margin-top: 16px; padding: 12px; border-radius: 12px; background: var(--as-grad); color: #fff; font-size: 15px; font-weight: 600; box-shadow: 0 6px 20px rgba(79, 107, 255, 0.4); }
.as-side-list li { padding: 10px 0; border-bottom: 1px dashed var(--as-border); }
.as-side-list li:last-child { border-bottom: none; }
.as-side-list a { font-size: 14px; line-height: 1.5; display: block; }
.as-side-list a:hover { color: var(--as-accent); }
.as-side-list time { font-size: 12px; color: var(--as-muted); }
.as-related { margin-top: 40px; }
.as-related h2 { font-size: 20px; margin-bottom: 18px; }

/* ---------- 標籤 ---------- */
.as-tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; max-width: 860px; margin: 0 auto; }
.as-tag-cloud a {
  padding: 9px 20px; border-radius: 999px; font-size: 14px;
  background: var(--as-card); border: 1px solid var(--as-border); color: var(--as-muted);
  transition: color .2s, border-color .2s;
}
.as-tag-cloud a:hover, .as-tag-cloud a.active { color: var(--as-accent); border-color: var(--as-accent); }
.as-tag-cloud a .count { font-size: 12px; opacity: .65; margin-left: 4px; }
.as-tag-header { text-align: center; margin-bottom: 34px; }
.as-tag-header h1 { font-size: 28px; margin-bottom: 8px; }
.as-tag-header h1 .hash { color: var(--as-accent); margin-right: 4px; }
.as-tag-header p { color: var(--as-muted); font-size: 14px; }

/* ---------- 通用單頁（關於/協議） ---------- */
.as-prose { max-width: 860px; margin: 0 auto; }
.as-prose h2 { font-size: 20px; margin: 26px 0 12px; }
.as-prose p { margin-bottom: 12px; color: #cdd3e1; font-size: 15px; }

/* ---------- 搜尋 / 404 ---------- */
.as-search-box { display: flex; max-width: 560px; margin: 0 auto 34px; border: 1px solid var(--as-border); border-radius: 999px; overflow: hidden; background: var(--as-card); }
.as-search-box input { flex: 1; background: none; border: none; outline: none; color: var(--as-text); padding: 13px 22px; font-size: 15px; }
.as-search-box input::placeholder { color: var(--as-muted); }
.as-search-box button { background: var(--as-grad); color: #fff; border: none; padding: 0 30px; font-size: 15px; cursor: pointer; }
.as-empty { text-align: center; color: var(--as-muted); padding: 40px 0; }
.as-404 { text-align: center; padding: 70px 0; }
.as-404-num { font-size: 100px; font-weight: 800; line-height: 1; background: var(--as-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.as-404 p { color: var(--as-muted); margin: 18px 0 30px; }

/* ---------- 響應式 ---------- */
@media (max-width: 960px) {
  .as-feature-grid, .as-news-grid, .as-review-grid { grid-template-columns: repeat(2, 1fr); }
  .as-hero-inner { flex-direction: column; text-align: center; }
  .as-hero-slogan { margin-left: auto; margin-right: auto; }
  .as-hero-badges, .as-dl-group { justify-content: center; }
  .as-list-layout { grid-template-columns: 1fr; }
  .as-side { position: static; }
}
@media (max-width: 768px) {
  .as-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--as-bg2); border-bottom: 1px solid var(--as-border); padding: 8px 20px; }
  .as-nav a { padding: 12px 0; border-bottom: 1px dashed var(--as-border); }
  .as-nav-toggle { display: block; }
  .as-header-cta { margin-left: auto; padding: 8px 16px; }
  .as-hero { padding: 56px 0 48px; }
  .as-hero-title { font-size: 32px; }
  .as-phone { width: 220px; height: 440px; }
  .as-section { padding: 54px 0; }
  .as-sec-head h2 { font-size: 25px; }
  .as-feature-grid, .as-news-grid, .as-review-grid { grid-template-columns: 1fr; }
  .as-footer-cols { grid-template-columns: 1fr; gap: 26px; }
  .as-article-item { flex-direction: column; }
  .as-article-cover { width: 100%; height: 160px; }
  .as-detail-card { padding: 22px; }
  .as-detail-card h1 { font-size: 21px; }
  /* 流動裝置顯示 sticky 下載列，並為它預留底部空間 */
  .as-sticky-bar { display: flex; }
  body { padding-bottom: 66px; }
  .as-footer { margin-bottom: 0; }
}