/* =============================================================
 * FlyerSharp — Flight Deck aesthetic
 * 深空 × 琥珀儀表光 × 冰藍數據。登機證式文章卡、
 * Sharp Index 儀表、航線視覺化。跟坊間部落格徹底區隔。
 * ============================================================= */
:root {
  --bg: #05080f;
  --bg2: #080d18;
  --panel: #0b1220;
  --panel2: #0e1628;
  --ink: #eef2f7;
  --ink-soft: #c3ccd9;
  --muted: #8b98ab;
  --faint: #55617400;
  --line: rgba(140, 170, 200, .14);
  --amber: #ffb454;          /* 駕駛艙暖光・主色 */
  --amber-dim: rgba(255, 180, 84, .1);
  --cyan: #00e5ff;           /* 數據冷光・輔 */
  --cyan-dim: rgba(0, 229, 255, .08);
  --danger: #ff5d6c;
  --serif: "Noto Serif TC", "Songti TC", Georgia, serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", -apple-system, sans-serif;
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); line-height: 1.9; letter-spacing: .015em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
/* 藍圖網格底紋 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(140,170,200,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,200,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 20%, transparent 90%);
}
::selection { background: var(--amber); color: #1a1005; }
img { max-width: 100%; }
a { color: inherit; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 22px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 22px; }

.mono { font-family: var(--mono); }
.kicker {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .42em; text-indent: .42em;
  color: var(--amber); text-transform: uppercase; font-weight: 600;
  display: flex; align-items: center; gap: 14px;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--amber); display: inline-block; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5, 8, 15, .78);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 22px;
  display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.logo {
  font-family: var(--mono); font-weight: 700; font-size: 1.05rem; letter-spacing: .3em;
  text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 10px;
}
.logo .plane { color: var(--amber); font-size: 1.2rem; transform: rotate(45deg); display: inline-block; }
.logo .moon { color: var(--amber); font-size: 1.25rem; display: inline-block; text-shadow: 0 0 14px rgba(255,180,84,.6); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  text-decoration: none; color: var(--ink-soft); font-size: .92rem; letter-spacing: .1em;
  padding: 10px 14px; border-radius: 8px; transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--amber); background: var(--amber-dim); }
.main-nav a.active { color: var(--amber); }
.lang-switch {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .1em;
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
  text-decoration: none; color: var(--muted); margin-left: 8px; transition: all .2s;
}
.lang-switch:hover { border-color: var(--amber); color: var(--amber); }
.nav-cta {
  background: linear-gradient(135deg, var(--amber), #e08e2d); color: #1a1005 !important;
  font-weight: 700; border-radius: 10px !important; margin-left: 8px;
  box-shadow: 0 0 20px rgba(255, 180, 84, .25);
}
main { padding-top: 68px; }

/* 手機選單 */
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-size: 1.3rem; padding: 8px 12px; cursor: pointer; }
@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(5, 8, 15, .97); flex-direction: column; align-items: stretch;
    padding: 12px 22px 20px; border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .lang-switch, .nav-cta { margin: 10px 0 0; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,8,15,.25) 0%, rgba(5,8,15,.55) 55%, var(--bg) 100%),
              url('hero.jpg') center/cover no-repeat, var(--bg2);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 45% at 70% 30%, rgba(255,180,84,.12), transparent 70%);
}
.hero-inner { position: relative; z-index: 2; padding-bottom: 90px; width: 100%; }
.hero h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.2rem); line-height: 1.35; letter-spacing: .06em;
  margin: 26px 0 20px; max-width: 16em;
  text-shadow: 0 4px 40px rgba(0,0,0,.6);
}
.hero-sub {
  color: var(--ink-soft); font-size: 1.02rem; letter-spacing: .3em; margin: 0 0 40px;
  font-family: var(--mono); font-size: .85rem;
}
.hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 17px 38px; font-size: 1.02rem; font-weight: 700;
  letter-spacing: .2em; text-indent: .2em; border-radius: 12px; text-decoration: none;
  border: none; cursor: pointer; font-family: var(--sans);
  transition: transform .15s, box-shadow .2s, filter .2s;
}
.btn:active { transform: scale(.97); }
.btn-amber {
  background: linear-gradient(135deg, var(--amber), #dd8a28); color: #1a1005;
  box-shadow: 0 0 32px rgba(255, 180, 84, .3);
}
.btn-amber:hover { filter: brightness(1.08); box-shadow: 0 0 44px rgba(255,180,84,.45); }
.btn-ghost {
  background: rgba(10, 16, 28, .5); color: var(--ink);
  border: 1px solid rgba(140,170,200,.35);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
/* 儀表數據條 */
.data-strip {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
  background: rgba(5, 8, 15, .72);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.data-strip-inner {
  display: flex; gap: 0; overflow-x: auto;
  max-width: 1280px; margin: 0 auto;
}
.data-cell {
  flex: 1 0 auto; padding: 18px 28px; border-right: 1px solid var(--line);
  font-family: var(--mono); white-space: nowrap;
}
.data-cell .dl { font-size: .68rem; letter-spacing: .3em; color: var(--muted); display: block; margin-bottom: 6px; }
.data-cell .dv { font-size: 1.05rem; color: var(--cyan); font-weight: 600; letter-spacing: .06em; }

/* ---------- 區塊標題 ---------- */
.section { padding: 84px 0 20px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 36px; gap: 20px; flex-wrap: wrap;
}
.section-head h2 {
  font-family: var(--serif); font-size: 1.9rem; letter-spacing: .12em; margin: 14px 0 0;
}
.section-link {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .24em;
  color: var(--muted); text-decoration: none; transition: color .2s;
}
.section-link:hover { color: var(--amber); }

/* ---------- 登機證文章卡 ---------- */
.bp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 960px) { .bp-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .bp-grid { grid-template-columns: 1fr; } }

.bp-card {
  display: flex; flex-direction: column; text-decoration: none;
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; position: relative;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.bp-card:hover {
  transform: translateY(-6px); border-color: rgba(255,180,84,.4);
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 30px rgba(255,180,84,.07);
}
.bp-cover { aspect-ratio: 16/9; overflow: hidden; position: relative; background: var(--bg2); }
.bp-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; display: block; }
.bp-card:hover .bp-cover img { transform: scale(1.05); }
.bp-cover .no-img {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: #22314a;
  background: linear-gradient(135deg, #0a1220, #101b30);
}
.bp-type {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .28em;
  background: rgba(5, 8, 15, .82); color: var(--amber);
  border: 1px solid rgba(255,180,84,.35); border-radius: 6px; padding: 6px 12px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.bp-body { padding: 22px 22px 0; flex: 1; }
.bp-route {
  font-family: var(--mono); font-size: .85rem; letter-spacing: .14em; color: var(--cyan);
  margin-bottom: 12px; display: flex; align-items: center; gap: 10px;
}
.bp-route .dots { flex: 1; border-top: 2px dashed rgba(0,229,255,.3); position: relative; }
.bp-route .dots::after { content: "✈"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%) rotate(90deg); font-size: .8rem; }
.bp-body h3 {
  font-family: var(--serif); font-size: 1.28rem; line-height: 1.5; letter-spacing: .04em;
  margin: 0 0 10px; font-weight: 700;
}
.bp-excerpt { color: var(--muted); font-size: .92rem; line-height: 1.8; margin: 0 0 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 登機證存根：虛線撕邊＋Sharp分數 */
.bp-stub {
  margin-top: 18px; border-top: 2px dashed rgba(140,170,200,.25);
  padding: 16px 22px; display: flex; align-items: center; justify-content: space-between;
  position: relative; background: rgba(5, 8, 15, .35);
}
.bp-stub::before, .bp-stub::after {
  content: ""; position: absolute; top: -11px; width: 20px; height: 20px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 50%;
}
.bp-stub::before { left: -11px; } .bp-stub::after { right: -11px; }
.bp-date { font-family: var(--mono); font-size: .78rem; color: var(--muted); letter-spacing: .12em; }
.bp-score { font-family: var(--mono); font-size: .85rem; font-weight: 700; color: var(--amber); letter-spacing: .1em; }
.bp-score small { color: var(--muted); font-weight: 400; }

/* 精選大卡 */
.bp-featured { display: grid; grid-template-columns: 1.15fr 1fr; margin-bottom: 26px; }
.bp-featured .bp-cover { aspect-ratio: auto; min-height: 380px; }
.bp-featured .bp-body { padding: 40px 44px 0; display: flex; flex-direction: column; justify-content: center; }
.bp-featured .bp-body h3 { font-size: 2rem; }
.bp-featured .bp-excerpt { -webkit-line-clamp: 3; font-size: 1rem; }
@media (max-width: 860px) {
  .bp-featured { grid-template-columns: 1fr; }
  .bp-featured .bp-cover { min-height: 240px; aspect-ratio: 16/9; }
  .bp-featured .bp-body { padding: 26px 24px 0; }
  .bp-featured .bp-body h3 { font-size: 1.5rem; }
}

/* ---------- 頻道導覽 ---------- */
.channel-nav {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin: 20px 0 0;
}
.channel-card {
  text-decoration: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; background: linear-gradient(160deg, var(--panel), transparent);
  transition: all .25s; position: relative; overflow: hidden;
}
.channel-card::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--amber), transparent); opacity: 0; transition: opacity .25s;
}
.channel-card:hover { border-color: rgba(255,180,84,.4); transform: translateY(-3px); }
.channel-card:hover::after { opacity: 1; }
.channel-card .ch-ico { font-size: 1.9rem; margin-bottom: 12px; display: block; }
.channel-card h3 { margin: 0 0 6px; font-size: 1.08rem; letter-spacing: .14em; }
.channel-card p { margin: 0; color: var(--muted); font-size: .85rem; }
.channel-card .ch-count { font-family: var(--mono); font-size: .75rem; color: var(--cyan); letter-spacing: .2em; }
@media (max-width: 1100px) { .channel-nav { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .channel-nav { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .channel-nav { grid-template-columns: 1fr; } }

/* ---------- 訂閱橫幅 ---------- */
.sub-band {
  margin: 90px 0 0; padding: 80px 0; position: relative; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background:
    radial-gradient(600px 300px at 20% 50%, rgba(255,180,84,.08), transparent 70%),
    radial-gradient(600px 300px at 80% 50%, rgba(0,229,255,.06), transparent 70%),
    var(--bg2);
  text-align: center;
}
.sub-band h2 { font-family: var(--serif); font-size: 2rem; letter-spacing: .1em; margin: 18px 0 12px; }
.sub-band p { color: var(--muted); max-width: 560px; margin: 0 auto 34px; }
.sub-form { display: flex; gap: 10px; max-width: 520px; margin: 0 auto; }
.sub-form input {
  flex: 1; padding: 17px 20px; font-size: 1rem; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(5,8,15,.7); color: var(--ink);
  font-family: var(--sans);
}
.sub-form input:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(255,180,84,.15); }
.sub-form .btn { white-space: nowrap; }
@media (max-width: 560px) { .sub-form { flex-direction: column; } }
.form-msg { margin-top: 16px; font-size: .95rem; }
.form-msg.ok { color: #00e676; } .form-msg.err { color: #ff8f9a; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 60px 0 40px; color: var(--muted); font-size: .88rem;
}
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a { text-decoration: none; color: var(--muted); font-size: .9rem; letter-spacing: .08em; }
.footer-nav a:hover { color: var(--amber); }
.footer-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: .75rem; letter-spacing: .14em;
}

/* ---------- 文章頁 ---------- */
.post-cover {
  position: relative; min-height: 62vh; display: flex; align-items: flex-end; overflow: hidden;
}
.post-cover .cover-img { position: absolute; inset: 0; }
.post-cover .cover-img img { width: 100%; height: 100%; object-fit: cover; }
.post-cover .cover-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,8,15,.35) 0%, rgba(5,8,15,.55) 50%, var(--bg) 100%);
}
.post-head { position: relative; z-index: 2; padding-bottom: 50px; width: 100%; }
.post-head h1 {
  font-family: var(--serif); font-size: clamp(1.8rem, 4.5vw, 3rem);
  line-height: 1.4; letter-spacing: .04em; margin: 20px 0 16px; max-width: 20em;
  text-shadow: 0 4px 30px rgba(0,0,0,.7);
}
.post-meta-line {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .2em; color: var(--muted);
  display: flex; gap: 18px; flex-wrap: wrap;
}
.post-meta-line .cat { color: var(--amber); }

/* 儀表數據面板 */
.data-panel {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  margin: 44px 0; overflow: hidden;
}
.data-panel-head {
  padding: 16px 28px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .34em; color: var(--cyan);
  display: flex; align-items: center; gap: 12px;
  background: rgba(0, 229, 255, .03);
}
.data-panel-head::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: blink 2.4s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.data-grid .cell { padding: 20px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.data-grid .cell .dl { font-family: var(--mono); font-size: .68rem; letter-spacing: .28em; color: var(--muted); display: block; margin-bottom: 8px; }
.data-grid .cell .dv { font-size: 1.08rem; font-weight: 600; letter-spacing: .04em; }
.data-grid .cell .dv.route { font-family: var(--mono); color: var(--cyan); }
@media (max-width: 860px) { .data-grid { grid-template-columns: repeat(2, 1fr); } }

/* Sharp Index 區 */
.sharp-panel {
  display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: center;
  border: 1px solid rgba(255,180,84,.25); border-radius: var(--radius);
  padding: 40px; margin: 44px 0;
  background: radial-gradient(400px 200px at 15% 50%, rgba(255,180,84,.07), transparent 70%), var(--panel);
}
.sharp-panel .gauge-wrap { text-align: center; }
.sharp-panel .gauge-label { font-family: var(--mono); font-size: .75rem; letter-spacing: .3em; color: var(--amber); margin-top: 10px; }
.sharp-bars { display: grid; gap: 16px; }
.sharp-bar .sb-head { display: flex; justify-content: space-between; font-size: .92rem; margin-bottom: 8px; }
.sharp-bar .sb-head .v { font-family: var(--mono); color: var(--amber); font-weight: 700; }
.sharp-bar .track { height: 8px; background: rgba(140,170,200,.12); border-radius: 6px; overflow: hidden; }
.sharp-bar .track i { display: block; height: 100%; border-radius: 6px;
  background: linear-gradient(90deg, var(--amber), #ff8a3d); box-shadow: 0 0 12px rgba(255,180,84,.4); }
@media (max-width: 700px) { .sharp-panel { grid-template-columns: 1fr; padding: 30px 24px; } .sharp-panel .gauge-wrap { margin: 0 auto; } }

/* 內文排版 */
.post-body { font-size: 1.08rem; line-height: 2.1; color: var(--ink-soft); }
.post-body p { margin: 0 0 1.6em; }
.post-body h2, .post-body h3 {
  font-family: var(--serif); color: var(--ink); letter-spacing: .08em;
  margin: 2.2em 0 1em; line-height: 1.5;
}
.post-body h2 { font-size: 1.6rem; }
.post-body h2::before { content: ""; display: inline-block; width: 28px; height: 3px; background: linear-gradient(90deg, var(--amber), transparent); margin-right: 14px; vertical-align: middle; border-radius: 2px; }
.post-body h3 { font-size: 1.3rem; }
.post-body img { border-radius: 12px; }
.post-body blockquote {
  margin: 0 0 1.6em; padding: 6px 0 6px 22px;
  border-left: 2px solid var(--amber); color: var(--ink); font-family: var(--serif); font-size: 1.15rem;
}
.post-body ul, .post-body ol { margin: 0 0 1.6em; padding-left: 1.6em; }
.post-body a { color: var(--cyan); }
.post-body figure { margin: 2em 0; }
.post-body figcaption { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 10px; letter-spacing: .06em; }

/* 圖集 */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 40px 0; }
.gallery a { display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4/3; background: var(--bg2); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; display: block; }
.gallery a:hover img { transform: scale(1.04); }
@media (max-width: 700px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
/* 燈箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(3, 5, 10, .94);
  display: none; align-items: center; justify-content: center; padding: 30px; cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: 8px; box-shadow: 0 30px 90px rgba(0,0,0,.7); }
.lightbox .lb-cap { position: absolute; bottom: 24px; left: 0; right: 0; text-align: center; color: var(--muted); font-size: .9rem; }

/* 分享 */
.share-row { display: flex; gap: 10px; align-items: center; margin: 50px 0 10px; flex-wrap: wrap; }
.share-row .lbl { font-family: var(--mono); font-size: .78rem; letter-spacing: .3em; color: var(--muted); margin-right: 8px; }
.share-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 10px; padding: 12px 20px; font-size: .92rem; cursor: pointer;
  text-decoration: none; font-family: var(--sans); letter-spacing: .06em; transition: all .2s;
}
.share-btn:hover { border-color: var(--amber); color: var(--amber); }

/* 文章內訂閱 CTA */
.post-sub-cta {
  margin: 60px 0; padding: 46px 40px; text-align: center;
  border: 1px solid rgba(255,180,84,.3); border-radius: 18px;
  background: radial-gradient(500px 260px at 50% 0%, rgba(255,180,84,.1), transparent 70%), var(--panel);
}
.post-sub-cta h3 { font-family: var(--serif); font-size: 1.5rem; letter-spacing: .1em; margin: 0 0 10px; }
.post-sub-cta p { color: var(--muted); margin: 0 0 24px; }

/* 相關文章 */
.related { margin: 70px 0 30px; }
.related h2 { font-family: var(--serif); font-size: 1.5rem; letter-spacing: .14em; margin: 0 0 26px; }

/* ---------- 頻道頁 ---------- */
.channel-hero { padding: 90px 0 30px; }
.channel-hero h1 { font-family: var(--serif); font-size: 2.6rem; letter-spacing: .1em; margin: 18px 0 12px; }
.channel-hero p { color: var(--muted); max-width: 640px; }

/* ---------- 關於 ---------- */
.about-hero { padding: 90px 0 40px; text-align: center; }
.about-hero .avatar {
  width: 150px; height: 150px; border-radius: 50%; margin: 0 auto 26px;
  border: 2px solid rgba(255,180,84,.5); object-fit: cover; display: block;
  box-shadow: 0 0 40px rgba(255,180,84,.2);
  background: linear-gradient(135deg, #16233a, #0b1220);
}
.about-hero h1 { font-family: var(--serif); font-size: 2.4rem; letter-spacing: .12em; margin: 0 0 10px; }
.about-stats { display: flex; justify-content: center; gap: 50px; margin: 44px 0; flex-wrap: wrap; }
.stat { text-align: center; }
.stat .n { font-family: var(--mono); font-size: 2.2rem; font-weight: 700; color: var(--amber); }
.stat .l { font-size: .85rem; color: var(--muted); letter-spacing: .2em; margin-top: 6px; }
.about-body { font-size: 1.06rem; line-height: 2.1; color: var(--ink-soft); }
.about-body p { margin: 0 0 1.6em; }

/* ---------- 訂閱頁 ---------- */
.sub-page { padding: 100px 0 80px; text-align: center; }
.sub-page h1 { font-family: var(--serif); font-size: 2.4rem; letter-spacing: .1em; margin: 18px 0 14px; }
.sub-perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 50px 0; text-align: left; }
.perk { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; background: var(--panel); }
.perk .pi { font-size: 1.8rem; margin-bottom: 12px; display: block; }
.perk h3 { margin: 0 0 8px; font-size: 1.05rem; letter-spacing: .1em; }
.perk p { margin: 0; color: var(--muted); font-size: .9rem; }
.perk.paid { border-color: rgba(0,229,255,.3); position: relative; }
.perk.paid .soon {
  position: absolute; top: 14px; right: 14px; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .2em; color: var(--cyan); border: 1px solid rgba(0,229,255,.4);
  border-radius: 6px; padding: 4px 10px;
}
@media (max-width: 700px) { .sub-perks { grid-template-columns: 1fr; } }

/* ---------- 分頁 ---------- */
.pager { display: flex; gap: 10px; justify-content: center; margin: 50px 0 20px; }
.pager a, .pager span {
  min-width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 10px; text-decoration: none;
  font-family: var(--mono); color: var(--ink-soft); padding: 0 14px;
}
.pager a:hover { border-color: var(--amber); color: var(--amber); }
.pager .on { background: var(--amber); border-color: var(--amber); color: #1a1005; font-weight: 700; }

/* ---------- 通用 ---------- */
.page-head { padding: 90px 0 34px; }
.page-head h1 { font-family: var(--serif); font-size: 2.4rem; letter-spacing: .1em; margin: 18px 0 10px; }
.empty { text-align: center; color: var(--muted); padding: 80px 0; font-size: 1.05rem; letter-spacing: .1em; }
.back-link { font-family: var(--mono); font-size: .82rem; letter-spacing: .2em; color: var(--muted); text-decoration: none; }
.back-link:hover { color: var(--amber); }

/* ---------- 手機精修 ---------- */
@media (max-width: 700px) {
  .channel-card { padding: 22px 18px; }
  .channel-nav .channel-card:last-child { grid-column: span 2; }
  .section { padding: 60px 0 12px; }
  .section-head { margin-bottom: 26px; }
  .hero { min-height: 82vh; }
  .hero-inner { padding-bottom: 64px; }
  .data-cell { padding: 14px 18px; }
  .page-head { padding: 70px 0 26px; }
  .page-head h1 { font-size: 1.9rem; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 1.85rem; letter-spacing: .04em; line-height: 1.5; }
  .hero-sub { letter-spacing: .18em; }
  .hero-cta-row .btn { flex: 1 1 100%; text-align: center; padding: 16px 20px; }
  .section-head h2 { font-size: 1.55rem; }
  .bp-body h3 { font-size: 1.15rem; }
  .bp-body { padding: 18px 18px 0; }
  .sub-band { padding: 56px 0; margin-top: 60px; }
  .sub-band h2 { font-size: 1.55rem; }
  .sharp-panel { padding: 26px 20px; }
  .post-body { font-size: 1rem; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .site-footer { padding: 44px 0 32px; }
}
@media (max-width: 460px) {
  .channel-nav .channel-card:last-child { grid-column: auto; }
}