/* 品牌頁樣式：四種風格（.st-ivory 米白精品、.st-noir 黑金、.st-fresh 清爽、.st-blush 柔粉），--accent 由品牌自選 */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
.st-ivory, .st-noir, .st-fresh, .st-blush {
  --bg: #f7f3ec; --card: #fffdf9; --ink: #2b2620; --muted: #7d7366; --line: #e6ddd0; --cta-ink: #fff;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg); color: var(--ink); font-family: var(--sans);
  min-height: 100vh; -webkit-font-smoothing: antialiased; line-height: 1.7;
}
.st-noir { --bg: #12110f; --card: #1c1a17; --ink: #efe8dc; --muted: #a59c8d; --line: #34302a; --cta-ink: #12110f; }
.st-fresh { --bg: #f4f7f5; --card: #ffffff; --ink: #1f2a26; --muted: #66746e; --line: #dde6e1; }
.st-blush { --bg: #faf1ef; --card: #fffaf8; --ink: #3b2a2a; --muted: #8f7472; --line: #efdcd8; }

.pg { max-width: 480px; margin: 0 auto; padding: 0 0 40px; }
.pg p { margin: 0 0 .8em; }
.cover img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.hd { text-align: center; padding: 36px 28px 8px; }
.cover + .hd { margin-top: -44px; }
.logo { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; background: var(--card); border: 3px solid var(--card); box-shadow: 0 4px 18px rgb(0 0 0 / .08); position: relative; }
.brand { font-size: 12px; letter-spacing: .32em; text-transform: uppercase; color: var(--accent); margin: 14px 0 6px !important; }
.hd h1 { font-family: var(--serif); font-weight: 500; font-size: 26px; line-height: 1.4; margin: 0 0 14px; letter-spacing: .04em; }
.st-fresh .hd h1 { font-family: var(--sans); font-weight: 700; }
.intro { color: var(--muted); font-size: 15px; }
.intro::before { content: ""; display: block; width: 28px; height: 1px; background: var(--accent); margin: 0 auto 16px; }

.cta { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 18px 24px 0; padding: 16px 20px;
  background: var(--accent); color: var(--cta-ink); border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 16px; letter-spacing: .04em;
  box-shadow: 0 8px 22px -10px var(--accent); }
.cta:active { transform: scale(.98); }
.ic { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.offer { margin: 22px 24px 0; padding: 20px; text-align: center; background: var(--card); border: 1px dashed var(--accent); border-radius: 14px; }
.o-t { font-family: var(--serif); font-size: 17px; margin: 0 0 10px !important; }
.code { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; border: 0; cursor: pointer; padding: 10px 22px;
  border-radius: 10px; background: var(--bg); color: var(--ink); font: 600 20px/1.2 ui-monospace, Menlo, monospace; letter-spacing: .12em; }
.code small { font: 400 11px var(--sans); letter-spacing: .1em; color: var(--muted); }
.code.ok small { color: var(--accent); }
.o-n { color: var(--muted); font-size: 13px; margin: 10px 0 0 !important; }

.links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 22px 24px 0; }
.lk { display: flex; align-items: center; gap: 10px; padding: 14px; background: var(--card); color: var(--ink); text-decoration: none;
  border: 1px solid var(--line); border-radius: 12px; font-size: 14px; min-height: 52px; }
.lk .ic { color: var(--accent); }
.lk:only-child, .lk:last-child:nth-child(odd) { grid-column: 1 / -1; justify-content: center; }

.secs { margin: 26px 24px 0; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 18px 2px; font-family: var(--serif); font-size: 17px; display: flex; justify-content: space-between; align-items: center; }
.st-fresh summary { font-family: var(--sans); font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font: 300 22px/1 var(--sans); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
.sb { padding: 0 2px 18px; color: var(--muted); font-size: 15px; }
.sb img { display: block; width: 100%; border-radius: 10px; margin: 0 0 14px; }

.contact { margin: 26px 24px 0; padding: 18px 20px; background: var(--card); border-radius: 14px; border: 1px solid var(--line); }
.c-h { font-size: 12px; letter-spacing: .24em; color: var(--muted); margin: 0 0 8px !important; }
.contact a { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; padding: 6px 0; }
.contact a .ic { color: var(--accent); }
.c-t { color: var(--muted); font-size: 13px; margin: 6px 0 0 !important; }

.ft { text-align: center; color: var(--muted); font-size: 12px; padding: 30px 24px 0; }
.badge { letter-spacing: .14em; opacity: .7; }

.notice { max-width: 420px; margin: 0 auto; padding: 120px 28px; text-align: center; }
.notice h1 { font-family: var(--serif); font-weight: 500; font-size: 22px; }
.notice p { color: var(--muted); }