/* tech-hub —— blog/評測風,跟新聞流區隔。基地審美:克制配色 / 8px 間距 / 留白 / 卡片化 / hover 互動 / 少 emoji 多 SVG。 */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #1c2430;
  --ink-soft: #5a6573;
  --muted: #8a93a0;
  --line: #e6e9ee;
  --accent: #2f6df6;
  --accent-soft: #eaf1ff;
  --pro: #1f9d6b;
  --con: #d65a4a;
  --star: #f5b301;
  --star-empty: #dfe3ea;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20,30,50,.04), 0 8px 24px rgba(20,30,50,.06);
  --sp: 8px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: var(--sp); font-weight: 700; font-size: 18px; }
.header-nav { display: flex; align-items: center; gap: 16px; }
.header-nav a { color: var(--ink-soft); font-size: 15px; }
.header-nav a:hover { color: var(--accent); }
.lang-btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft);
  border-radius: 999px; padding: 4px 14px; font-size: 13px; cursor: pointer; transition: .15s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* hero / page intro */
.page-intro { padding: 40px 0 8px; display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.intro-text { flex: 1 1 260px; }
.page-intro h1 { margin: 0 0 4px; font-size: 30px; letter-spacing: -.01em; }
.page-intro p { margin: 0; color: var(--ink-soft); }

/* filters */
.searchbar { margin: 0; flex: 0 1 360px; }
.search-box { width: 100%; max-width: 440px; box-sizing: border-box; padding: 10px 14px; font-size: 15px;
  border: 1px solid var(--border, #e3e3e8); border-radius: 10px; background: var(--card, #fff); color: inherit; outline: none; transition: border-color .15s; }
.search-box:focus { border-color: var(--accent); }
.filters { display: flex; flex-wrap: wrap; gap: var(--sp); margin: 16px 0 8px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft);
  border-radius: 999px; padding: 6px 16px; font-size: 14px; cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.count { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* grid of cards */
.grid {
  display: grid; gap: 20px; padding: 16px 0 48px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 14px rgba(20,30,50,.08), 0 16px 40px rgba(20,30,50,.10); }
.card-media { aspect-ratio: 16 / 10; background: var(--accent-soft); overflow: hidden; position: relative; }
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-media.slide .cm-img { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; }
.card-media.slide .cm-img.on { opacity: 1; }
.card-media .cm-dots { position: absolute; left: 0; right: 0; bottom: 7px; display: flex; gap: 5px; justify-content: center; z-index: 2; pointer-events: none; }
.card-media .cm-dots i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.55); box-shadow: 0 0 3px rgba(0,0,0,.3); transition: .25s; }
.card-media .cm-dots i.on { width: 16px; border-radius: 99px; background: #fff; }
.card-body { padding: 16px; display: flex; flex-direction: column; gap: var(--sp); flex: 1; }
.card-meta { display: flex; gap: var(--sp); align-items: center; flex-wrap: wrap; }
.badge { background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px; }
.badge-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.card-title { margin: 0; font-size: 17px; line-height: 1.4; }
.card-excerpt { margin: 0; color: var(--ink-soft); font-size: 14px; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }
.readmore { color: var(--accent); font-size: 14px; font-weight: 600; }

/* stars */
.stars { display: inline-flex; align-items: center; gap: 1px; }
.star { display: block; }
.stars-num { margin-left: 6px; font-size: 13px; color: var(--ink-soft); }

/* detail */
.detail { max-width: 800px; margin: 0 auto; padding: 28px 16px 60px; }
.back-link { display: inline-flex; align-items: center; gap: 4px; color: var(--ink-soft); font-size: 14px; margin-bottom: 16px; }
.back-link:hover { color: var(--accent); }
.hero { margin: 0 0 20px; }
.hero img { width: 100%; border-radius: var(--radius); display: block; background: var(--accent-soft); aspect-ratio: 16/9; object-fit: cover; }
.hero figcaption { margin-top: 6px; }
.detail-head { margin-bottom: 16px; }
.detail-title { font-size: 28px; margin: 8px 0; letter-spacing: -.01em; }
.rating-line { display: flex; align-items: center; gap: var(--sp); }
.detail-body p { color: var(--ink); margin: 0 0 14px; }

/* panels */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 16px 0; box-shadow: var(--shadow); }
.panel h2 { margin: 0 0 12px; font-size: 18px; }
.specs { margin: 0; }
.spec-row { display: grid; grid-template-columns: 160px 1fr; gap: var(--sp); padding: 8px 0; border-bottom: 1px solid var(--line); }
.spec-row:last-child { border-bottom: 0; }
.spec-row dt { color: var(--ink-soft); margin: 0; }
.spec-row dd { margin: 0; font-weight: 500; }

.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.proscons ul { margin: 0; padding-left: 18px; }
.proscons li { margin: 4px 0; }
.pros h2 { color: var(--pro); }
.cons h2 { color: var(--con); }

.sources { margin: 8px 0 0; padding-left: 18px; }
.sources a { color: var(--accent); }
.sources a:hover { text-decoration: underline; }

/* comments */
.comments .notice {
  background: #fff8e6; border: 1px solid #f3e3b3; color: #7a5d10;
  border-radius: 10px; padding: 10px 14px; font-size: 13px; margin: 0 0 14px;
}
.comment-form { display: flex; flex-direction: column; gap: var(--sp); margin-bottom: 16px; }
.fld {
  width: 100%; max-width: 440px; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: inherit; color: var(--ink); background: #fbfcfe; transition: .15s;
}
textarea.fld { max-width: 100%; resize: vertical; }
.fld:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px var(--accent-soft); }
.btn {
  align-self: flex-start; background: var(--accent); color: #fff; border: 0; border-radius: 10px;
  padding: 9px 20px; font: inherit; font-weight: 600; cursor: pointer; transition: .15s;
}
.btn:hover { filter: brightness(1.05); }
.comment-list { display: flex; flex-direction: column; gap: var(--sp); }
.comment { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fbfcfe; }
.comment-head { display: flex; align-items: center; gap: var(--sp); margin-bottom: 4px; }
.comment-head .muted { margin-left: auto; }
.comment p { margin: 0; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 28px 0; margin-top: 24px; }
.site-footer .disclaimer { margin: 0 0 4px; color: var(--ink-soft); font-size: 14px; }

/* not found */
.notfound { text-align: center; padding: 60px 0; }
.notfound h1 { margin: 0 0 8px; }
.notfound .btn { display: inline-block; margin-top: 16px; }

@media (max-width: 560px) {
  .spec-row { grid-template-columns: 1fr; gap: 2px; }
  .proscons { grid-template-columns: 1fr; }
  .page-intro h1 { font-size: 24px; }
}