* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 24px; }
body {
  font-family: "PingFang TC", "Noto Sans TC", sans-serif;
  font-size: 20px; line-height: 1.8; color: #111; background: #fff;
  padding: 24px 16px 90px;
}
main { max-width: 820px; margin: 0 auto; }
h1 { font-size: 33px; line-height: 1.4; margin-bottom: 8px; }
.sub { font-size: 19px; color: #555; margin-bottom: 22px; }
.back { display: inline-block; font-size: 17px; margin-bottom: 18px; color: #0645ad; text-decoration: none; }
.back:hover { text-decoration: underline; }
h2 { font-size: 25px; margin: 46px 0 14px; padding-top: 22px; border-top: 3px solid #111; }
h2 .em { color: #C0392B; }
p { margin-bottom: 14px; }
a { color: #0645ad; }
code { font-size: 18px; background: #f2f2f2; padding: 2px 6px; border-radius: 4px; }

/* Hero */
.hero { border: 3px solid #111; border-radius: 16px; padding: 26px 24px; margin-bottom: 10px; background: #fffdf5; }
.hero .kicker { font-size: 17px; color: #666; margin-bottom: 12px; letter-spacing: .5px; }
.hero .verdict { font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.hero .verdict.red { color: #C0392B; }
.hero .big { font-size: 27px; line-height: 1.5; font-weight: 800; margin-bottom: 18px; }
.hero .big em { font-style: normal; color: #C0392B; }
.hero-lights { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 16px; }
.hl { font-family: inherit; font-size: 18px; font-weight: 700; padding: 7px 15px; border-radius: 999px;
      white-space: nowrap; border: 2px solid transparent; cursor: pointer; text-decoration: none; color: #111; }
.hl:hover { filter: brightness(.94); }
.hl::after { content: " ↓"; color: #666; font-weight: 400; }
.hl-red { background: #fdecea; border-color: #C0392B; }
.hl-orange { background: #fdf0e3; border-color: #C87A2B; }
.hl-q { background: #eceefb; border-color: #5B5EA6; }
.hl-yellow { background: #fff6d9; border-color: #B8860B; }
.hero .advice { font-size: 19px; margin-bottom: 0; color: #333; }
.hero .advice b { color: #111; }

/* finding accordion */
details.finding { border: 2px solid #333; border-radius: 14px; margin-bottom: 14px; overflow: hidden; background: #fff; }
details.finding summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px;
  padding: 15px 18px; font-size: 20px; font-weight: 700; }
details.finding summary::-webkit-details-marker { display: none; }
details.finding summary:hover { background: #f7f7f7; }
summary .badge { flex-shrink: 0; min-width: 66px; text-align: center; }
summary .ft { flex: 1 1 0; min-width: 0; }
.chev { display: inline-block; transition: transform .15s; font-size: 18px; color: #666; flex-shrink: 0; }
details[open] .chev { transform: rotate(90deg); }
.badge { color: #fff; font-size: 16px; font-weight: 700; padding: 3px 12px; border-radius: 999px; white-space: nowrap; }
.b-red { background: #C0392B; }
.b-orange { background: #C87A2B; }
.b-yellow { background: #B8860B; }
.b-q { background: #5B5EA6; }
.b-green { background: #2E7D32; }
.fbody { border-top: 2px solid #333; padding: 16px 20px 20px; }
.fbody .row { margin-bottom: 12px; }
.fbody .row:last-child { margin-bottom: 0; }
.fbody .lbl { font-size: 15px; font-weight: 700; letter-spacing: .5px; color: #fff; padding: 2px 10px;
  border-radius: 6px; display: inline-block; margin-bottom: 5px; }
.lbl-point { background: #C0392B; }
.lbl-data { background: #444; }
.lbl-fact { background: #2E7D32; }
.lbl-why { background: #5B5EA6; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 3px; }
.tag { font-size: 16px; background: #f0ecf7; border: 1px solid #b7abd6; color: #3a2f5b;
  padding: 3px 11px; border-radius: 999px; }
.fbody .fact { font-size: 18px; color: #333; background: #fafafa; border-left: 4px solid #2E7D32; padding: 6px 14px; }

/* method / disclaimer */
.method { background: #f7f7f7; border: 2px solid #999; border-radius: 14px; padding: 18px 22px; margin-bottom: 14px; }
.method li { margin: 6px 0 6px 22px; font-size: 18px; }
.note { background: #fff8e6; border: 2px solid #B8860B; border-radius: 14px; padding: 16px 20px; font-size: 18px; }
.note b { color: #8a6400; }
.disc { background: #eef1f4; border: 2px solid #5a6b7a; border-radius: 14px; padding: 16px 20px; font-size: 18px; color: #333; }
.disc b { color: #33424f; }

/* hub cards */
a.acard { display: block; text-decoration: none; color: #111; border: 2px solid #111; border-radius: 14px;
  padding: 20px 22px; margin-bottom: 16px; }
a.acard:hover { background: #f7f7f7; }
a.acard .h { font-size: 23px; font-weight: 800; margin-bottom: 6px; }
a.acard .v { font-size: 18px; color: #C0392B; font-weight: 700; margin-bottom: 6px; }
a.acard .d { font-size: 18px; color: #333; }