/* ============================================================
   雨滴 RAINDROP — 簡潔下單頁
   給客人直接點連結就能選方案、付款。手機優先。
   ============================================================ */

:root {
  --o-50:#FFF7ED; --o-100:#FFEDD5; --o-200:#FED7AA; --o-300:#FDBA74;
  --o-400:#FB923C; --o-500:#F97316; --o-600:#EA580C; --o-700:#C2410C;
  --ink:#1C1917; --ink-2:#44403C; --ink-3:#78716C; --ink-4:#A8A29E;
  --line:#E7E5E4; --line-2:#F5F5F4; --bg:#FFFFFF;
  --green:#16A34A; --red:#DC2626;
  --r:16px; --r-sm:11px;
  --sh:0 1px 3px rgba(28,25,23,.05);
  --sh-md:0 8px 26px rgba(28,25,23,.08);
  --font:"Noto Sans TC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  /* 底板：淡橘暈染 + 斜向雨絲 */
  background-image:
    radial-gradient(760px 420px at 50% -12%, var(--o-50) 0%, transparent 62%),
    radial-gradient(520px 300px at 108% 18%, #FFFBF5 0%, transparent 58%),
    repeating-linear-gradient(74deg, transparent 0 44px, rgba(249,115,22,.045) 44px 45px);
  background-attachment: fixed;
  min-height: 100vh;
  padding: 0 0 40px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
h1, h2 { margin: 0; letter-spacing: -.02em; }

.sheet { width: 100%; max-width: 480px; margin: 0 auto; padding: 0 18px; }

/* ---------------- 品牌 ---------------- */
.brand { text-align: center; padding: 44px 0 30px; }

.avatar {
  width: 92px; height: 92px; margin: 0 auto 16px;
  border-radius: 50%; overflow: hidden;
  background: linear-gradient(150deg, var(--o-400), var(--o-600));
  display: grid; place-items: center;
  color: #fff; font-size: 42px; line-height: 1;
  box-shadow: 0 10px 28px rgba(249,115,22,.32);
  border: 3px solid #fff;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.brand h1 { font-size: 27px; font-weight: 900; }
.tagline {
  margin: 5px 0 0; font-size: 14.5px; color: var(--ink-3); font-weight: 600;
  letter-spacing: .02em;
}

.member-chip {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 5px 15px 5px 5px; font-size: 13.5px; font-weight: 600; box-shadow: var(--sh);
}
.member-chip img, .member-chip .ph {
  width: 26px; height: 26px; border-radius: 50%; object-fit: cover; flex: none;
  background: var(--o-100); color: var(--o-600); display: grid; place-items: center; font-weight: 800;
}
.member-chip button {
  border: none; background: none; cursor: pointer; color: var(--ink-4); font-size: 12px; padding: 0;
}
.member-chip button:hover { color: var(--red); }

/* ---------------- 區塊 ---------------- */
.block { margin-bottom: 26px; }
.block-head {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; padding: 0 3px;
}
.block-head h2 { font-size: 15px; font-weight: 800; }
.more-link { margin-left: auto; font-size: 12.5px; color: var(--ink-4); font-weight: 600; }
.more-link:hover { color: var(--o-600); }

/* ---------------- 方案 ---------------- */
.plans { display: grid; gap: 11px; }

.plan {
  position: relative; display: block; cursor: pointer;
  background: #fff; border: 2px solid var(--line); border-radius: var(--r);
  padding: 16px 17px; transition: border-color .16s, box-shadow .16s, transform .12s;
}
.plan:hover { border-color: var(--o-300); }
.plan:active { transform: scale(.994); }
.plan input { position: absolute; opacity: 0; pointer-events: none; }

.plan.on { border-color: var(--o-500); box-shadow: 0 6px 20px rgba(249,115,22,.16); }
.plan.off { opacity: .5; cursor: not-allowed; }
.plan.off:hover { border-color: var(--line); }

.plan-top { display: flex; align-items: flex-start; gap: 12px; }

.tick {
  width: 21px; height: 21px; border-radius: 50%; flex: none; margin-top: 2px;
  border: 2px solid var(--line); display: grid; place-items: center;
  transition: border-color .16s, background .16s;
}
.tick::after {
  content: ''; width: 9px; height: 9px; border-radius: 50%;
  background: #fff; transform: scale(0); transition: transform .16s;
}
.plan.on .tick,
.pay.on  .tick { border-color: var(--o-500); background: var(--o-500); }
.plan.on .tick::after,
.pay.on  .tick::after { transform: scale(1); }

.plan-name { font-size: 16.5px; font-weight: 800; letter-spacing: -.01em; }
.plan-sub { font-size: 12.5px; color: var(--ink-3); margin-top: 1px; }

.plan-price { margin-left: auto; text-align: right; flex: none; }
.plan-price b {
  font-size: 20px; font-weight: 900; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums; display: block;
}
.plan-price b small { font-size: 12px; font-weight: 700; color: var(--ink-3); margin-right: 1px; }
.plan-was {
  font-size: 11.5px; color: var(--ink-4); text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.plan-tag {
  position: absolute; top: -9px; right: 14px;
  background: var(--o-500); color: #fff; font-size: 10.5px; font-weight: 800;
  padding: 2px 10px; border-radius: 999px; letter-spacing: .04em;
  box-shadow: 0 4px 10px rgba(249,115,22,.36);
}

/* 選中才展開的細節 */
.plan-more {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .24s ease, opacity .2s;
  opacity: 0;
}
.plan.on .plan-more { grid-template-rows: 1fr; opacity: 1; }
.plan-more > div { overflow: hidden; }
.plan-feats {
  list-style: none; padding: 13px 0 2px 33px; margin: 0; display: grid; gap: 7px;
  border-top: 1px dashed var(--line); margin-top: 13px;
}
.plan-feats li { display: flex; gap: 8px; font-size: 13.5px; color: var(--ink-2); }
.plan-feats li::before { content: '✓'; color: var(--o-500); font-weight: 900; flex: none; }
.plan-blocked {
  padding: 11px 0 2px 33px; margin-top: 11px; border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--o-700); font-weight: 700;
}

/* ---------------- 付款方式 ---------------- */
.pays { display: grid; gap: 9px; }
.pay {
  display: flex; align-items: center; gap: 11px; cursor: pointer;
  background: #fff; border: 2px solid var(--line); border-radius: var(--r-sm);
  padding: 13px 15px; transition: border-color .16s;
}
.pay:hover { border-color: var(--o-300); }
.pay input { position: absolute; opacity: 0; pointer-events: none; }
.pay.on { border-color: var(--o-500); background: var(--o-50); }
.pay.off { opacity: .5; cursor: not-allowed; }
.pay.off:hover { border-color: var(--line); }
.pay b { display: block; font-size: 14.5px; font-weight: 700; }
.pay span { font-size: 12px; color: var(--ink-3); }
.pay .tick { margin-top: 0; }

/* ---------------- 表單 ---------------- */
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fld { display: block; margin-bottom: 12px; }
.fld > span {
  display: block; font-size: 12.5px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px;
}
.fld i { color: var(--o-600); font-style: normal; }
.fld em { font-style: normal; font-weight: 500; color: var(--ink-4); font-size: 11.5px; }
.fld input, .fld textarea {
  width: 100%; padding: 12px 14px; font-size: 15px;
  border: 1.5px solid var(--line); border-radius: var(--r-sm); background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.fld input:focus, .fld textarea:focus {
  outline: none; border-color: var(--o-400); box-shadow: 0 0 0 3.5px var(--o-50);
}
.fld textarea { resize: vertical; }

.line-box {
  background: #F0FDF4; border: 1.5px solid #BBF7D0; border-radius: var(--r-sm);
  padding: 14px 15px; margin-bottom: 14px; text-align: center;
}
.line-box p { margin: 0 0 11px; font-size: 13px; color: #166534; }
.line-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
  background: #06C755; color: #fff; border: none; border-radius: 999px;
  padding: 12px; font-size: 14.5px; font-weight: 700; cursor: pointer;
  box-shadow: 0 6px 16px rgba(6,199,85,.26);
}
.line-btn:hover { background: #05b34c; }

/* ---------------- 結帳 ---------------- */
.checkout {
  position: sticky; bottom: 0; z-index: 5;
  background: rgba(255,255,255,.9); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line); border-radius: var(--r) var(--r) 0 0;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
  margin: 0 -18px; box-shadow: 0 -6px 22px rgba(28,25,23,.07);
}
.total { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 11px; }
.total span { font-size: 13.5px; color: var(--ink-3); font-weight: 600; }
.total b {
  font-size: 25px; font-weight: 900; color: var(--o-600);
  letter-spacing: -.025em; font-variant-numeric: tabular-nums;
}

.pay-btn {
  width: 100%; padding: 15px; border: none; border-radius: 999px;
  background: var(--o-500); color: #fff; font-size: 16.5px; font-weight: 800;
  cursor: pointer; box-shadow: 0 8px 22px rgba(249,115,22,.32);
  display: flex; align-items: center; justify-content: center; gap: 9px;
  transition: background .16s, transform .12s;
}
.pay-btn:hover:not(:disabled) { background: var(--o-600); }
.pay-btn:active:not(:disabled) { transform: translateY(1px); }
.pay-btn:disabled { background: var(--o-200); box-shadow: none; cursor: not-allowed; }

.fineprint {
  margin: 10px 0 0; font-size: 11px; color: var(--ink-4);
  text-align: center; line-height: 1.6;
}

/* ---------------- 其他 ---------------- */
.alert {
  padding: 11px 14px; border-radius: var(--r-sm); font-size: 13.5px;
  margin-bottom: 16px; display: flex; gap: 8px; align-items: flex-start;
}
.alert-error { background: #FEF2F2; border: 1.5px solid #FECACA; color: #991B1B; }
.alert-warn  { background: #FEFCE8; border: 1.5px solid #FEF08A; color: #854D0E; }
.alert-info  { background: var(--o-50); border: 1.5px solid var(--o-100); color: var(--o-700); }

.disclaimer {
  margin: 26px 0 0; padding: 13px 15px; font-size: 11.5px; color: var(--ink-3);
  line-height: 1.7; background: rgba(255,255,255,.7); border: 1px solid var(--line);
  border-left: 3px solid var(--o-400); border-radius: var(--r-sm);
}
.copyright { margin: 16px 0 0; text-align: center; font-size: 11.5px; color: var(--ink-4); }

.sk {
  height: 74px; border-radius: var(--r);
  background: linear-gradient(90deg, var(--line-2) 25%, #fff 50%, var(--line-2) 75%);
  background-size: 200% 100%; animation: sh 1.3s infinite;
}
@keyframes sh { to { background-position: -200% 0; } }

.spin {
  width: 17px; height: 17px; border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff; border-radius: 50%; animation: rot .7s linear infinite;
}
@keyframes rot { to { transform: rotate(360deg); } }

.toast {
  position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 16px);
  background: var(--ink); color: #fff; padding: 11px 20px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; z-index: 50; opacity: 0; pointer-events: none;
  transition: opacity .22s, transform .22s; box-shadow: var(--sh-md);
  max-width: 88vw; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 520px) {
  .checkout { margin: 0; border-radius: var(--r); border: 1px solid var(--line); }
  body { padding-bottom: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}