/* AI 開源日報 — 對外公開站樣式（純靜態、行動優先、無第三方資源） */
:root {
  --bg: #0b0d12;
  --bg-soft: #12151c;
  --card: #161a23;
  --card-hover: #1c212c;
  --border: #232938;
  --fg: #e7ebf2;
  --fg-dim: #98a2b6;
  --fg-faint: #6b7488;
  --accent: #5b9dff;
  --accent-2: #38e0b0;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --ok: #38e0b0;
  --radius: 14px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
    "Noto Sans TC", "Microsoft JhengHei", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font); line-height: 1.65; font-size: 16px;
  background-image: radial-gradient(900px 500px at 80% -10%, rgba(91,157,255,.10), transparent 60%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11,13,18,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; gap: 10px 18px; min-height: 60px; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 1.06rem; letter-spacing: .2px; white-space: nowrap; }
.brand .dot { color: var(--accent); }
.nav { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav a { color: var(--fg-dim); font-size: .9rem; }
.nav a:hover { color: var(--fg); text-decoration: none; }
.lang-switch {
  border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 12px; color: var(--fg-dim); font-size: .82rem;
}

/* Hero */
.hero { padding: 48px 0 28px; }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 0 0 10px; line-height: 1.2; }
.hero p.tagline { color: var(--fg-dim); font-size: 1.06rem; max-width: 720px; margin: 0 0 18px; }
.meta-line { color: var(--fg-faint); font-size: .85rem; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 999px; font-weight: 600; font-size: .9rem;
  border: 1px solid var(--border); color: var(--fg); background: var(--card);
}
.btn:hover { background: var(--card-hover); text-decoration: none; }
.btn.kofi { background: linear-gradient(135deg, #ff7a59, #ff5a8a); border: none; color: #fff; }
.btn.primary { background: var(--accent); border: none; color: #06101f; }

/* Section */
section.block { margin: 38px 0; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin: 0 0 16px; }
.section-head h2 { font-size: 1.25rem; margin: 0; }
.section-head a.more { margin-left: auto; font-size: .85rem; color: var(--fg-dim); }

/* Card grid */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; transition: .15s;
}
.card:hover { background: var(--card-hover); border-color: #2c3445; transform: translateY(-1px); }
.card.bait { border-color: rgba(255,107,107,.4); background: rgba(255,107,107,.06); }
.card h3 { margin: 0; font-size: 1.04rem; line-height: 1.35; }
.card h3 a { color: var(--fg); }
.card .summary { color: var(--fg-dim); font-size: .92rem; margin: 0; }
.card .why { color: var(--accent-2); font-size: .85rem; }
.card .cardmeta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: auto; padding-top: 6px; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .74rem; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--fg-dim); background: var(--bg-soft);
}
.badge.lic-ok { color: var(--ok); border-color: rgba(56,224,176,.35); }
.badge.lic-no { color: var(--danger); border-color: rgba(255,107,107,.4); }
.badge.lic-unknown { color: var(--fg-faint); }
.badge.stars { color: var(--warn); }
.badge.domain { color: var(--accent); border-color: rgba(91,157,255,.3); }
.badge.change { align-self: flex-start; color: var(--accent-2); border-color: rgba(56,224,176,.45); background: rgba(56,224,176,.08); font-weight: 600; }
.badge.role { color: var(--accent-2); border-color: rgba(56,224,176,.3); }
.badge.target { color: var(--fg-dim); }

/* Project detail */
.detail-head h1 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin: 6px 0 12px; }
.detail-lead { color: var(--fg-dim); font-size: 1.08rem; }
.detail-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.panel h2 { font-size: 1.05rem; margin: 0 0 10px; }
.panel ul { margin: 6px 0; padding-left: 20px; }
.kv { display: flex; gap: 10px; flex-wrap: wrap; }
.safety {
  border: 1px solid rgba(255,180,84,.45); background: rgba(255,180,84,.08);
  border-radius: var(--radius); padding: 14px 18px; color: var(--warn);
}
.crumbs { color: var(--fg-faint); font-size: .85rem; margin: 8px 0 0; }
.crumbs a { color: var(--fg-dim); }

/* Sub-hubs / chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 22px; }
.chip { border: 1px solid var(--border); border-radius: 999px; padding: 5px 13px; font-size: .85rem; color: var(--fg-dim); background: var(--card); }
.chip:hover { color: var(--fg); background: var(--card-hover); text-decoration: none; }
.chip .n { color: var(--fg-faint); }

/* Diff teaser */
.diff-row { display: flex; gap: 10px; flex-wrap: wrap; }
.diff-pill { font-size: .85rem; color: var(--fg-dim); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; }

/* Ad slots */
.adslot { margin: 22px 0; text-align: center; }
.adslot .ad-label {
  display: block; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--fg-faint); margin-bottom: 4px;
}
.adslot .adframe { max-width: 100%; }
.sponsored { margin: 18px 0; text-align: center; }
.sponsored .spon-link {
  display: inline-block; font-size: .82rem; color: var(--fg-dim);
  border: 1px dashed var(--border); border-radius: 999px; padding: 6px 16px;
}
.sponsored .spon-link:hover { color: var(--fg); text-decoration: none; }

/* Ad / affiliate slot */
.promo { margin: 26px 0; }
.promo .affiliate {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 14px 18px; background: var(--bg-soft);
}
.promo .affiliate .h { font-weight: 600; color: var(--fg); }
.promo .affiliate .badge { margin-left: 2px; }
.adsterra { margin: 22px 0; text-align: center; }

/* Subscribe block */
.subscribe {
  margin: 34px 0; padding: 26px 24px; border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(91,157,255,.10), rgba(56,224,176,.06));
}
.subscribe h2 { margin: 0 0 6px; font-size: 1.3rem; }
.subscribe .sub-desc { color: var(--fg-dim); margin: 0 0 16px; max-width: 640px; }
.sub-email { display: flex; gap: 10px; flex-wrap: wrap; max-width: 480px; }
.sub-email input[type=email] {
  flex: 1 1 220px; min-width: 0; padding: 10px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--fg); font-size: .95rem;
}
.sub-email input[type=email]:focus { outline: none; border-color: var(--accent); }
.sub-hint { color: var(--fg-faint); font-size: .8rem; margin: 8px 0 0; }
.sub-channels { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.sub-channels .btn { font-weight: 600; }
.btn.sub-telegram { border-color: rgba(91,157,255,.5); color: #7fb6ff; }
.btn.sub-line { border-color: rgba(56,224,176,.5); color: var(--accent-2); }
.btn.sub-whatsapp { border-color: rgba(56,224,176,.4); }
.btn.sub-wechat { border-color: rgba(56,224,176,.4); }
.sub-qrs { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; }
.sub-qrs .qr { margin: 0; text-align: center; }
.sub-qrs .qr img { display: block; background: #fff; padding: 8px; border-radius: 10px; width: 132px; height: 132px; }
.sub-qrs .qr figcaption { color: var(--fg-dim); font-size: .82rem; margin-top: 7px; font-weight: 600; }
.sub-qrs .qr.sub-telegram figcaption { color: #7fb6ff; }
.sub-qrs .qr.sub-line figcaption { color: var(--accent-2); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 32px 0 48px; color: var(--fg-dim); font-size: .88rem; }
.site-footer .cols { display: flex; gap: 28px; flex-wrap: wrap; justify-content: space-between; }
.site-footer a { color: var(--fg-dim); }
.site-footer .disclaimer { color: var(--fg-faint); font-size: .8rem; margin-top: 18px; }

/* Lists on simple pages */
.simple-list { list-style: none; padding: 0; }
.simple-list li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.simple-list li a { color: var(--fg); }

@media (max-width: 640px) {
  .nav { gap: 10px; }
  .nav a { font-size: .82rem; }
  .hero { padding: 32px 0 20px; }
}