/* 《从地理到白纸》— 宣纸与墨, 朱砂点睛 */
:root {
  --paper: #f3ecdd;
  --paper2: #fffaf0;
  --ink: #23282a;
  --ink-soft: rgba(35, 40, 42, 0.62);
  --line: rgba(35, 40, 42, 0.16);
  --red: #c1452e;
  --teal: #3d6660;
  --gold: #b98a35;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  font-size: 16px;
  line-height: 1.8;
}

#app { max-width: 660px; margin: 0 auto; }

.screen {
  position: relative;
  min-height: 100vh;
  padding: 16px 16px 40px;
  display: flex;
  flex-direction: column;
}

.hero {
  width: 100%;
  border-radius: 18px;
  display: block;
  margin-bottom: 18px;
}

.bg {
  width: calc(100% + 32px);
  margin: -16px -16px 0;
  height: 210px;
  object-fit: cover;
  display: block;
  border-radius: 0 0 20px 20px;
}

.card {
  position: relative;
  margin-top: -26px;
  background: rgba(243, 236, 221, 0.96);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px 20px;
  box-shadow: 0 10px 30px rgba(35, 40, 42, 0.10);
}

h1 {
  font-size: 30px;
  line-height: 1.35;
  margin: 6px 0 10px;
  letter-spacing: 2px;
}

h2 { font-size: 22px; margin: 8px 0 4px; letter-spacing: 1px; }

.top { margin-bottom: 14px; }
.prog { font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; margin-bottom: 6px; }

.journey { display: flex; gap: 6px; margin-bottom: 10px; }
.jdot { width: 8px; height: 8px; border-radius: 50%; background: rgba(35, 40, 42, 0.18); }
.jdot.done { background: var(--teal); }
.jdot.now { background: var(--red); }

.stats { display: flex; flex-direction: column; gap: 4px; }
.stat { display: flex; align-items: center; gap: 8px; }
.sk { width: 40px; font-size: 13px; color: var(--ink-soft); }
.sbar { flex: 1; height: 7px; background: rgba(35, 40, 42, 0.10); border-radius: 4px; overflow: hidden; }
.sbar i { display: block; height: 100%; background: var(--teal); border-radius: 4px; transition: width 0.4s ease; }
.stat.key .sbar i { background: var(--red); }
.stat.key .sk { color: var(--red); font-weight: 700; }
.sv { width: 22px; text-align: right; font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

.date { font-size: 13px; color: #7a6a52; letter-spacing: 2px; }
.atitle { margin-top: 2px; }
.abody, .rbody, .ep { margin: 10px 0 14px; text-align: justify; }
.rbody { animation: fadein 0.5s ease; }
.rng { font-size: 13px; color: var(--ink-soft); margin: 2px 0 10px; }

.sub { font-size: 18px; margin: 6px 0 10px; letter-spacing: 1px; }
.sub2 { font-size: 15px; color: var(--ink-soft); margin: 8px 0; }
.tip { font-size: 13px; color: var(--ink-soft); text-align: center; margin-top: 12px; }
.fine { font-size: 12px; color: #8a7c64; margin-top: 14px; }
.closing { font-size: 16px; text-align: center; letter-spacing: 1px; margin: 14px 0; color: var(--ink); }

.chose { font-size: 15px; color: var(--ink-soft); margin: 10px 0 6px; }

.choices { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

.ch {
  min-height: 48px;
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1.5px solid rgba(35, 40, 42, 0.28);
  background: var(--paper2);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  line-height: 1.55;
  cursor: pointer;
  transition: transform 0.08s ease, border-color 0.2s ease, background 0.2s ease;
}

.ch:active { transform: scale(0.99); }
.ch:hover { border-color: var(--teal); }

.ch.super {
  border-color: var(--red);
  background: #fff5ef;
}

.ch.super::before { content: "✦ "; color: var(--red); }

.ch.locked {
  opacity: 0.5;
  cursor: not-allowed;
  border-style: dashed;
}

.ch .req { display: block; font-size: 13px; color: #8a6a4a; margin-top: 4px; }

.sb {
  display: inline-block;
  border: 1px solid var(--teal);
  color: var(--teal);
  border-radius: 999px;
  padding: 0 8px;
  font-size: 13px;
  margin-right: 8px;
  vertical-align: 1px;
}

.flip {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 13px;
  margin-left: 6px;
}

.flip.sm { background: var(--red); }

.delta { margin: 10px 0; display: flex; gap: 8px; flex-wrap: wrap; }
.dl { border-radius: 999px; padding: 2px 10px; font-size: 13px; color: #fff; }
.dl.up { background: var(--teal); }
.dl.down { background: #9a6a56; }

.tally {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  background: rgba(35, 40, 42, 0.05);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  margin: 12px 0;
}

.big {
  font-size: 18px;
  line-height: 1.9;
  border-left: 3px solid var(--red);
  padding-left: 14px;
  margin: 14px 0;
  text-align: justify;
}

.quote {
  font-size: 16px;
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin: 14px 0;
  color: var(--ink);
}

.go {
  min-height: 50px;
  width: 100%;
  border: none;
  border-radius: 14px;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 17px;
  letter-spacing: 4px;
  cursor: pointer;
  margin-top: 6px;
}

.go:hover { background: #31383a; }
.go:active { transform: scale(0.99); }

:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 400px) {
  h1 { font-size: 26px; }
  h2 { font-size: 20px; }
  .bg { height: 170px; }
  .ch { font-size: 15px; }
}