:root {
  --brand: #0ea371;
  --brand-dark: #0b6e4e;
  --ink: #16241d;
  --muted: #6b7d74;
  --line: #e3ece7;
  --bg: #f4f7f5;
  --card: #fff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang HK", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}
.ep-wrap { max-width: 980px; margin: 0 auto; padding: 0 18px; }

.ep-head { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.ep-head__row { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.ep-brand { font-weight: 800; font-size: 20px; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
.ep-brand__sub { font-weight: 600; font-size: 13px; color: var(--muted); }
.ep-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--brand); display: inline-block; }
.ep-wa { background: var(--brand); color: #fff; text-decoration: none; font-weight: 700; font-size: 13px; padding: 8px 16px; border-radius: 999px; }

.ep-main { padding: 26px 18px 60px; }
.ep-intro h1 { margin: 0 0 4px; font-size: 26px; }
.ep-intro p { margin: 0 0 22px; color: var(--muted); }

.ep-grid { display: grid; grid-template-columns: 1fr 360px; gap: 18px; align-items: start; }
@media (max-width: 760px) { .ep-grid { grid-template-columns: 1fr; } }

.ep-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.ep-form { display: flex; flex-direction: column; gap: 14px; }
.ep-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ep-field { display: flex; flex-direction: column; gap: 6px; }
.ep-field > span { font-size: 12.5px; font-weight: 700; color: var(--muted); }
.ep-field select, .ep-field input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 15px; background: #fff; color: var(--ink); -webkit-appearance: none; appearance: none;
}
.ep-field select:focus, .ep-field input:focus { outline: none; border-color: var(--brand); }

.ep-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ep-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 7px 13px; font-size: 13px; cursor: pointer; user-select: none; background: #fff; }
.ep-chip.is-on { border-color: var(--brand); background: #eafaf3; color: var(--brand-dark); font-weight: 700; }
.ep-chip input { display: none; }

.ep-note { margin: 0; font-size: 12.5px; color: #8a6d1f; background: #fff8ec; border: 1px solid #f0ddb4; border-radius: 10px; padding: 10px 12px; }

.ep-sum { position: sticky; top: 80px; }
.ep-sum__eyebrow { margin: 0 0 4px; font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); }
.ep-price { margin: 0 0 12px; font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.ep-price small { font-size: 15px; font-weight: 600; color: var(--muted); }
.ep-sum__rows { border-top: 1px dashed var(--line); padding-top: 12px; margin-bottom: 16px; display: flex; flex-direction: column; gap: 7px; }
.ep-sum__rows .r { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.ep-sum__rows .r span { color: var(--muted); }
.ep-sum__rows .r b { font-weight: 700; }
.ep-sum__rows .r.total { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 2px; font-size: 15px; }
.ep-sum__rows .r.total b { color: var(--brand-dark); }
.ep-cta { display: block; text-align: center; background: var(--brand); color: #fff; text-decoration: none; font-weight: 800; font-size: 15px; padding: 13px; border-radius: 11px; }
.ep-fine { margin: 12px 0 0; font-size: 11px; color: var(--muted); line-height: 1.6; }

.ep-foot { padding: 30px 18px; color: var(--muted); font-size: 12px; text-align: center; }