:root {
  --bg: #f6f1e7;
  --card: #fffdf8;
  --ink: #2b2118;
  --muted: #7d6f5f;
  --line: #e2d6c2;
  --gold: #a8791f;
  --gold-soft: #f3e6c9;
  --red: #8f2f22;
  --err: #b3261e;
  --ok: #2e7d54;
  --radius: 14px;
}

* { box-sizing: border-box; }

/* 瀏覽器內建的 [hidden] { display: none } 屬於 UA 樣式表，會被本檔案任何
   設了 display 的規則蓋掉（作者樣式表優先），導致 .row/.convert/.picked
   這類元素加了 hidden 屬性也不會消失。用 !important 統一壓住。 */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
    "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

/* --- 頁首 --- */
.hero {
  background: linear-gradient(160deg, #7d2318 0%, #a8391f 55%, #b8631f 100%);
  color: #fdf6e6;
  padding: 32px 20px 28px;
  text-align: center;
  border-bottom: 3px solid var(--gold);
}
.hero-sub {
  margin: 0 0 6px;
  letter-spacing: .35em;
  font-size: 13px;
  opacity: .85;
  text-indent: .35em;
}
.hero-title {
  margin: 0;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: .06em;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 16px 56px;
}

/* --- 卡片 --- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(70, 48, 24, .05);
}
.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 700;
}
.step {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex: none;
}

/* --- 欄位 --- */
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}
label b { color: var(--red); font-weight: 700; }

input, select {
  width: 100%;
  padding: 11px 12px;
  font: inherit;
  font-size: 16px; /* iOS 不自動放大 */
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%237d6f5f' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 34px;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
input.bad, select.bad { border-color: var(--err); }

.hint { margin: 6px 0 0; font-size: 12.5px; color: var(--muted); }
.note {
  margin: 0 0 14px;
  padding: 10px 12px;
  font-size: 13px;
  background: var(--gold-soft);
  border-radius: 9px;
  color: #6b4d13;
}
.err {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--err);
  min-height: 0;
}
.err:empty { display: none; }
.form-err {
  padding: 12px 14px;
  background: #fdecea;
  border: 1px solid #f2c4bf;
  border-radius: 10px;
  margin-bottom: 14px;
}

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
#birth-lunar .row { grid-template-columns: 1.5fr 1fr 1fr; }
@media (max-width: 420px) {
  .row { grid-template-columns: 1fr; }
  #birth-lunar .row { grid-template-columns: 1fr 1fr; }
  #birth-lunar .row .field:first-child { grid-column: 1 / -1; }
}

/* --- 限量贈品剩餘 --- */
.gift {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  padding: 13px 16px;
  border: 1.5px solid var(--gold);
  border-radius: 11px;
  background: linear-gradient(105deg, var(--gold-soft), #fbf3e2);
}
.gift-text strong {
  display: block;
  font-size: 15px;
  color: #6b4d13;
}
.gift-text span { font-size: 12.5px; color: var(--muted); }
.gift-count { text-align: center; flex: none; line-height: 1.15; }
.gift-count b {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.gift-count i { font-size: 11px; font-style: normal; color: var(--muted); }

/* 剩不多時轉紅提醒 */
.gift.low { border-color: var(--red); }
.gift.low .gift-count b { color: var(--red); }

/* 已送完 */
.gift.out {
  border-color: var(--line);
  background: #f4f0e8;
}
.gift.out .gift-text strong,
.gift.out .gift-count b { color: var(--muted); }
.gift.out .gift-count b { font-size: 16px; }

/* --- 參加項目大卡 --- */
.picks { display: grid; gap: 10px; }
.pick {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: border-color .15s, background .15s;
}
.pick:hover { border-color: var(--gold); }
.pick.on { border-color: var(--gold); background: var(--gold-soft); }
.pick-dot {
  width: 19px; height: 19px;
  border: 2px solid var(--line);
  border-radius: 50%;
  flex: none;
  display: grid; place-items: center;
}
.pick.on .pick-dot { border-color: var(--gold); }
.pick.on .pick-dot::after {
  content: ""; width: 9px; height: 9px;
  border-radius: 50%; background: var(--gold);
}
.pick-label { font-weight: 600; }
.pick-desc { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; }

/* --- 分段按鈕 --- */
.segs { display: flex; flex-wrap: wrap; gap: 8px; }
.seg {
  flex: 1 1 auto;
  min-width: 84px;
  padding: 10px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.seg:hover { border-color: var(--gold); }
.seg.on { border-color: var(--gold); background: var(--gold-soft); font-weight: 600; }

/* --- 分頁 --- */
.tabs {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: #efe7d8;
  border-radius: 11px;
  margin-bottom: 16px;
}
.tab {
  flex: 1;
  padding: 9px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font: inherit;
  font-size: 13.5px;
  color: var(--muted);
  cursor: pointer;
}
.tab.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.07); }

/* --- 換算結果 --- */
.convert {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--gold-soft);
  border-radius: 10px;
}
.convert-label { font-size: 12.5px; color: #6b4d13; flex: none; }
.convert-value { font-size: 16px; color: var(--red); letter-spacing: .02em; }
.convert.bad { background: #fdecea; }
.convert.bad .convert-value { color: var(--err); }

/* --- 門市搜尋 --- */
.search { position: relative; }
.results {
  position: absolute;
  z-index: 20;
  top: calc(100% + 4px);
  left: 0; right: 0;
  max-height: 258px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(70, 48, 24, .13);
}
.result {
  display: block;
  width: 100%;
  padding: 10px 13px;
  border: 0;
  border-bottom: 1px solid #f1eadd;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.result:last-child { border-bottom: 0; }
.result:hover, .result:focus { background: var(--gold-soft); }
.result strong { font-size: 15px; }
.result span { display: block; font-size: 12.5px; color: var(--muted); }
.result em { font-style: normal; color: var(--gold); }
.result-empty { padding: 13px; font-size: 14px; color: var(--muted); text-align: center; }

/* 門市選單：縣市 → 鄉鎮 → 門市清單 */
.sub-field label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
}
#store-picker .tabs { margin-bottom: 12px; }
.store-list {
  margin-top: 12px;
  max-height: 292px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.store-list-head {
  position: sticky;
  top: 0;
  margin: 0;
  padding: 9px 13px;
  background: var(--gold-soft);
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: #6b4d13;
}

.picked {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--gold-soft);
  border-radius: 10px;
}
.picked strong { display: block; font-size: 15px; }
.picked span { font-size: 12.5px; color: var(--muted); }

.link {
  border: 0;
  background: none;
  padding: 4px 0;
  font: inherit;
  font-size: 13.5px;
  color: var(--gold);
  text-decoration: underline;
  cursor: pointer;
  flex: none;
}

/* --- 送出 --- */
.submit {
  width: 100%;
  padding: 15px;
  border: 0;
  border-radius: 12px;
  background: var(--red);
  color: #fff;
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
}
.submit:hover { background: #7d2318; }
.submit:disabled { background: #b9a894; cursor: not-allowed; }
.submit.ghost {
  background: none;
  border: 1.5px solid var(--gold);
  color: var(--gold);
}
.submit.ghost:hover { background: var(--gold-soft); }

.foot { margin: 14px 0 0; text-align: center; font-size: 12.5px; color: var(--muted); }

/* --- 同意條款 --- */
.consent { padding: 16px 18px; }
.check {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin: 0;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.65;
  cursor: pointer;
}
.check input {
  width: 21px;
  height: 21px;
  margin: 1px 0 0;
  flex: none;
  accent-color: var(--red);
  cursor: pointer;
}
.doc-link {
  border: 0;
  padding: 0;
  background: none;
  font: inherit;
  color: var(--gold);
  text-decoration: underline;
  cursor: pointer;
}
.doc-link:hover { color: var(--red); }

/* --- 頁尾 --- */
.site-foot {
  margin-top: 28px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
/* 聯絡卡片本身已有邊框，不再另加分隔線 */
.site-foot .foot-links { margin-top: 18px; }
/* 聯絡卡片 */
.contact-card { text-align: center; padding: 24px 18px 20px; }
.contact-title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .04em;
}
/* 標題兩側的細金線 */
.contact-title::before,
.contact-title::after {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin: 0 12px;
  vertical-align: middle;
  background: var(--gold);
  opacity: .55;
}
.contact-sub { margin: 0 0 18px; font-size: 13px; color: var(--muted); }

.contact-actions { display: grid; gap: 10px; }
@media (min-width: 480px) {
  .contact-actions { grid-auto-flow: column; grid-auto-columns: 1fr; }
}
.contact-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}
.contact-btn:hover { border-color: var(--gold); background: var(--gold-soft); }
.contact-btn small {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  word-break: break-all;
}
/* LINE 是主要聯絡管道（繳費、確認、寄送通知都靠它），給它品牌色 */
.contact-btn.line {
  border-color: #06c755;
  background: #06c755;
  color: #fff;
}
.contact-btn.line:hover { border-color: #05a948; background: #05a948; }
.contact-btn.line small { color: rgba(255, 255, 255, .85); }

.contact-meta { margin: 16px 0 0; }
.contact-meta:empty { display: none; }
.contact-meta div {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 3px 0;
  font-size: 13px;
}
.contact-meta dt { color: var(--muted); flex: none; }
.contact-meta dd { margin: 0; color: var(--ink); }

.foot-links { margin: 0 0 8px; }
.foot-links .sep { margin: 0 8px; opacity: .5; }
.foot-copy { margin: 0; font-size: 12px; opacity: .8; }

/* --- 彈窗 --- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(40, 28, 16, .55);
}
.modal-box {
  position: relative;
  margin: auto;
  width: min(640px, calc(100% - 24px));
  max-height: min(80vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: 14px;
  box-shadow: 0 18px 48px rgba(40, 28, 16, .3);
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-x {
  border: 0;
  background: none;
  padding: 0 4px;
  font-size: 26px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
}
.modal-x:hover { color: var(--ink); }
.modal-body { padding: 18px; overflow-y: auto; flex: 1; }
.modal-foot { padding: 14px 18px; border-top: 1px solid var(--line); flex: none; }

/* 條款內文排版 */
.doc { font-size: 14px; line-height: 1.75; }
.doc h3 {
  margin: 22px 0 8px;
  font-size: 15px;
  color: var(--red);
}
.doc h3:first-child { margin-top: 0; }
.doc p { margin: 0 0 10px; }
.doc ul { margin: 0 0 12px; padding-left: 20px; }
.doc li { margin-bottom: 5px; }
.doc-lead {
  padding: 12px 14px;
  background: var(--gold-soft);
  border-radius: 9px;
  color: #6b4d13;
}
.doc-note {
  padding: 10px 12px;
  background: #f7f3ea;
  border-left: 3px solid var(--line);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--muted);
}

/* --- 完成 --- */
.done { text-align: center; padding: 34px 20px; }
.done-mark {
  width: 58px; height: 58px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--ok);
  color: #fff;
  font-size: 30px;
}
.done h2 { margin: 0 0 6px; font-size: 21px; }
.done-sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.done-list {
  margin: 0 0 24px;
  text-align: left;
  border-top: 1px solid var(--line);
}
.done-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.done-list dt { color: var(--muted); flex: none; }
.done-list dd { margin: 0; text-align: right; font-weight: 600; }