@font-face {
  font-family: "ZG Serif";
  src: url("../fonts/zg-serif.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "ZG Serif";
  src: url("../fonts/zg-serif-bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "ZG Sans";
  src: url("../fonts/zg-sans.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "ZG Sans";
  src: url("../fonts/zg-sans-bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --paper: #f4efe6;
  --paper-2: #ebe3d4;
  --ink: #1b1714;
  --muted: #6f675c;
  --line: #ddd4c6;
  --card: #fffcf6;
  --blue: #0878d8;
  --blue-2: #2b9af5;
  --blue-soft: #e7f3fc;
  --cinnabar: #b23a2e;
  --cinnabar-soft: #f8ece9;
  --gold: #8a6a28;
  --gold-soft: #f4ead3;
  --ok: #2c7a4a;
  --ok-soft: #e6f4ea;
  --shadow: 0 10px 40px rgba(40, 28, 16, 0.08);
  --serif: "ZG Serif", "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: "ZG Sans", "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
html { color-scheme: light; }
body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(43, 154, 245, 0.10), transparent 55%),
    linear-gradient(180deg, #f7f3eb 0%, var(--paper) 40%, #efe8db 100%);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}
.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus { left: 12px; background: #fff; padding: 6px 10px; }

.demo-banner {
  background: #214a7a;
  color: #fff;
  font-size: 13px;
  line-height: 1.55;
  padding: 8px 20px;
  text-align: center;
}

.top {
  max-width: 860px;
  margin: 0 auto;
  padding: 22px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 15px;
}
.brand img { display: block; }
.top-slogan {
  margin: 0;
  color: #5a5349;
  font-family: var(--serif);
  font-size: 14px;
}

#main {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 24px 220px;
}
.view { animation: rise 0.45s ease; }
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  letter-spacing: 0.16em;
  font-weight: 700;
}
.slogan {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(40px, 8vw, 72px);
  line-height: 1.15;
  letter-spacing: 0.06em;
}
.slogan .money {
  color: var(--cinnabar);
  border-bottom: 6px solid rgba(178, 58, 46, 0.18);
  padding: 0 1px 2px;
}
.lead {
  margin: 0 0 28px;
  max-width: 38em;
  color: #3d382f;
  font-size: 17px;
}
.lead.compact { font-size: 16px; margin-bottom: 14px; }
.view-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.upload {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.drop {
  display: block;
  border: 1.5px dashed #cbbfaa;
  border-radius: 14px;
  background: #faf6ee;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.drop:hover, .drop.dragover {
  border-color: var(--blue);
  background: var(--blue-soft);
}
.drop input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.drop-title { display: block; font-size: 16px; font-weight: 700; }
.drop-hint { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 22px;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 8px 20px rgba(27, 23, 20, 0.16);
}
.btn-primary:hover { background: #000; }
.btn-accent {
  background: var(--cinnabar);
  color: #fff;
  box-shadow: 0 8px 20px rgba(178, 58, 46, 0.2);
}
.btn-blue {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(8, 120, 216, 0.2);
}
.btn-ghost {
  border-color: var(--line);
  background: #fff;
}
.btn-tiny {
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  border-color: var(--line);
  background: #fff;
}
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 14px; }

.price-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}
.price-line strong { color: var(--ink); font-weight: 700; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}
.steps li {
  background: rgba(255, 252, 246, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 14px 16px;
  font-size: 14px;
  color: #3d382f;
}
.steps span {
  display: block;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 6px;
}

.progress-label {
  margin: 0 0 16px;
  color: #3d382f;
  min-height: 1.7em;
}
.bar {
  height: 10px;
  background: #e6dece;
  border-radius: 999px;
  overflow: hidden;
}
.bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
  transition: width 0.45s ease;
}
.progress-pct {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.tally {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 14px;
}
.tally-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 16px 12px;
}
.tally-card .k { display: block; color: var(--muted); font-size: 12px; letter-spacing: 0.08em; }
.tally-card .v {
  display: block;
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0.04em;
}
.tally-card.a .v { color: var(--cinnabar); }
.tally-card.ok { background: var(--ok-soft); border-color: #cfe6d6; }
.tally-card.ok .v { color: var(--ok); }

.notice {
  background: var(--blue-soft);
  border: 1px solid #c5e0f5;
  color: #1d4f7a;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 13px;
  margin: 0 0 14px;
}

.findings { display: flex; flex-direction: column; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px 14px;
  box-shadow: var(--shadow);
}
.card.locked {
  background: #f6f1e8;
  box-shadow: none;
  color: var(--muted);
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 999px;
  padding: 2px 8px;
}
.tag-a { background: var(--cinnabar-soft); color: var(--cinnabar); }
.tag-b { background: var(--gold-soft); color: var(--gold); }
.tag-free { background: var(--ok-soft); color: var(--ok); margin-left: 8px; }
.tag-lock { background: #eeeae2; color: var(--muted); }
.page-meta { color: var(--muted); font-size: 13px; }
.card h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.04em;
  line-height: 1.35;
}
.card.locked h3 { font-size: 16px; font-family: var(--sans); font-weight: 700; }
.field { margin: 0 0 10px; font-size: 14px; }
.field .lbl {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.excerpt {
  background: #f4efe4;
  border-left: 3px solid #cbbfaa;
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
}

.pay-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: rgba(255, 252, 246, 0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 14px 24px 18px;
}
.pay-dock-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pay-copy { margin: 0; font-size: 14px; color: #3d382f; }
.pay-copy strong { font-size: 16px; }
.pay-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 12px; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(27, 23, 20, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 40;
}
.modal-card {
  position: relative;
  width: min(420px, 100%);
  background: var(--card);
  border-radius: 20px;
  padding: 28px 24px 24px;
  box-shadow: 0 20px 60px rgba(27, 23, 20, 0.25);
  text-align: center;
}
.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: none;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
}
.modal-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.08em;
}
.pay-amount {
  margin: 6px 0 0;
  font-family: var(--serif);
  font-size: 40px;
  color: var(--cinnabar);
  letter-spacing: 0.04em;
}
.pay-kind { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.pay-qr {
  width: 240px;
  height: auto;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  border: 1px solid var(--line);
}
.pay-remark-label { margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
.pay-remark-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.pay-remark-row code {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  background: var(--gold-soft);
  padding: 4px 10px;
  border-radius: 8px;
}
.pay-help { margin: 14px 0 16px; color: #3d382f; font-size: 13px; text-align: left; }
.pay-status { margin: 12px 0 0; font-size: 14px; color: var(--ok); }

.foot {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 32px;
  color: var(--muted);
  font-size: 13px;
}

.admin-main { padding-bottom: 60px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}
.login-form label { font-size: 14px; color: var(--muted); }
.login-form input {
  display: block;
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}
.form-error { margin: 0; color: var(--cinnabar); font-size: 14px; }
.table-wrap { overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
table.orders { width: 100%; border-collapse: collapse; font-size: 14px; }
table.orders th, table.orders td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.orders th { color: var(--muted); font-weight: 700; font-size: 12px; letter-spacing: 0.08em; }
.status-awaiting { color: var(--cinnabar); font-weight: 700; }
.status-unlocked { color: var(--ok); }
.status-pending { color: var(--muted); }

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .tally { grid-template-columns: 1fr; }
  .top-slogan { display: none; }
  .pay-dock-inner { flex-direction: column; align-items: stretch; }
  .pay-actions .btn { flex: 1; text-align: center; }
  .slogan { letter-spacing: 0.04em; }
}

.page-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.page-chip {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 13px;
  color: #3d382f;
}
.locked-group h3 { margin-bottom: 4px; }
.locked-group { padding-bottom: 18px; }

#view-progress { padding-top: 8vh; min-height: 58vh; }

.lock-row { margin-top: 10px; }
.lock-row-label { margin-bottom: 6px; }
.locked-group h3 { margin: 0; font-size: 18px; }