:root {
  --paper: #f5efe3;
  --paper-2: #ece3d2;
  --card: rgba(255, 252, 245, .86);
  --ink: #1f1b17;
  --ink-2: #5b5248;
  --line: #d9cdb7;
  --cinnabar: #b23a2b;
  --gold: #a5813e;
  --wood: #4f7a4a;
  --fire: #c24f36;
  --earth: #a07a37;
  --metal: #75808c;
  --water: #2e5877;
  --shadow: 0 10px 30px rgba(60, 40, 20, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16130f; --paper-2: #1f1a15; --card: rgba(36, 30, 24, .9);
    --ink: #f0e7d8; --ink-2: #b6a993; --line: #3b3127;
    --cinnabar: #d65a48; --gold: #c9a35a;
    --wood: #7fae74; --fire: #e7765c; --earth: #cfa45d; --metal: #a8b3bf; --water: #6d9fc4;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
  --paper: #16130f; --paper-2: #1f1a15; --card: rgba(36, 30, 24, .9);
  --ink: #f0e7d8; --ink-2: #b6a993; --line: #3b3127;
  --cinnabar: #d65a48; --gold: #c9a35a;
  --wood: #7fae74; --fire: #e7765c; --earth: #cfa45d; --metal: #a8b3bf; --water: #6d9fc4;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 Inter, "Noto Serif SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
:lang(zh) body, html[lang="zh"] body { font-family: "Noto Serif SC", Inter, serif; }
.paper {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(1200px 600px at 110% -10%, rgba(178, 58, 43, .10), transparent 60%),
    radial-gradient(900px 500px at -20% 30%, rgba(46, 88, 119, .08), transparent 60%),
    radial-gradient(700px 400px at 50% 120%, rgba(165, 129, 62, .10), transparent 60%);
}

.top {
  max-width: 560px; margin: 0 auto; padding: 18px 16px 0;
  display: flex; justify-content: space-between; align-items: center;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-family: "Cormorant Garamond", serif; font-size: 24px; font-weight: 600; letter-spacing: .02em; }
.seal-sm {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 6px;
  background: var(--cinnabar); color: #fff6ec; font-family: "Noto Serif SC", serif; font-weight: 900; font-size: 18px;
  transform: rotate(-4deg);
}
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button {
  border: 0; background: transparent; color: var(--ink-2); padding: 6px 14px; font: inherit; font-size: 14px; cursor: pointer;
}
.lang button.on { background: var(--ink); color: var(--paper); }

main { max-width: 560px; margin: 0 auto; padding: 8px 16px 48px; }

.hero { text-align: center; padding: 28px 4px 18px; }
.eyebrow { color: var(--cinnabar); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 8px; }
h1 {
  font-family: "Cormorant Garamond", "Noto Serif SC", serif; font-weight: 600;
  font-size: clamp(34px, 9vw, 46px); line-height: 1.1; margin: 0 0 12px;
}
html[lang="zh"] h1 { font-family: "Noto Serif SC", serif; font-weight: 900; letter-spacing: .04em; }
.lead { color: var(--ink-2); margin: 0 auto; max-width: 30em; }
.glyphs { display: flex; justify-content: center; gap: 6px; margin-top: 20px; flex-wrap: wrap; }
.glyphs span {
  font-family: "Noto Serif SC", serif; font-weight: 600; font-size: 17px; width: 34px; height: 34px;
  display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--ink-2);
  animation: float 6s ease-in-out infinite;
}
.glyphs span:nth-child(odd) { animation-delay: -3s; }
@keyframes float { 50% { transform: translateY(-4px); } }
@media (prefers-reduced-motion: reduce) { .glyphs span { animation: none; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 20px; margin: 14px 0; box-shadow: var(--shadow); backdrop-filter: blur(6px);
}
h2 { font-family: "Noto Serif SC", serif; font-weight: 900; font-size: 30px; margin: 0; }
h3 { font-family: "Noto Serif SC", serif; font-size: 19px; margin: 0 0 6px; }
h4 { font-size: 15px; margin: 18px 0 4px; color: var(--cinnabar); }
.muted { color: var(--ink-2); margin: 0; font-size: 14px; }
.fine { color: var(--ink-2); font-size: 12px; margin: 12px 0 0; }
.center { text-align: center; }
.note { font-size: 13px; color: var(--ink-2); margin: 14px 0 0; border-top: 1px dashed var(--line); padding-top: 10px; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--ink-2); }
.form input:not([type=checkbox]):not([type=radio]), .form select {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; width: 100%; min-height: 48px;
}
.form input:focus, .form select:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex !important; align-items: center; gap: 10px; grid-template-columns: none; }
.check input { width: 18px; height: 18px; accent-color: var(--cinnabar); }
.seg { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg legend { font-size: 14px; color: var(--ink-2); margin-bottom: 6px; }
.seg label { display: block; }
.seg input { position: absolute; opacity: 0; }
.seg span {
  display: block; text-align: center; padding: 11px; border: 1px solid var(--line); border-radius: 12px;
  color: var(--ink); cursor: pointer;
}
.seg input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.seg input:focus-visible + span { outline: 2px solid var(--gold); }

.btn {
  display: block; text-align: center; text-decoration: none; font: inherit; font-weight: 600; font-size: 16px;
  border-radius: 999px; padding: 15px 20px; cursor: pointer; border: 1px solid transparent; min-height: 52px;
}
.btn.primary { background: var(--cinnabar); color: #fff8ef; box-shadow: 0 6px 18px rgba(178, 58, 43, .3); }
.btn.primary:active { transform: translateY(1px); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); margin-top: 10px; }
.btn.wide, .card > button.btn { width: 100%; }
.card > button.btn.auto { width: auto; }

/* 结果 */
.result-head { text-align: center; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.pillar {
  text-align: center; border: 1px solid var(--line); border-radius: 14px; padding: 10px 2px 12px;
  background: var(--paper);
}
.pillar.is-day { border-color: var(--cinnabar); box-shadow: inset 0 0 0 1px var(--cinnabar); }
.p-label { font-size: 12px; color: var(--ink-2); }
.p-god { font-size: 11px; color: var(--ink-2); min-height: 16px; margin-top: 4px; }
.pillar.is-day .p-god { color: var(--cinnabar); font-weight: 600; }
.p-char { font-family: "Noto Serif SC", serif; font-weight: 900; font-size: clamp(30px, 9vw, 40px); line-height: 1.15; }
.p-py { font-size: 11px; color: var(--ink-2); margin-bottom: 4px; }
.p-hidden { font-size: 11px; color: var(--ink-2); margin-top: 6px; line-height: 1.5; }
.p-hidden b { font-family: "Noto Serif SC", serif; font-weight: 600; }
.p-empty { font-family: "Noto Serif SC", serif; font-size: 34px; color: var(--line); line-height: 2.3; }
.el-wood { color: var(--wood); } .el-fire { color: var(--fire); } .el-earth { color: var(--earth); }
.el-metal { color: var(--metal); } .el-water { color: var(--water); }

.bars { display: grid; gap: 10px; margin-top: 14px; }
.bar { display: grid; grid-template-columns: 56px 1fr 40px; align-items: center; gap: 10px; font-size: 14px; }
.bar .track { height: 12px; border-radius: 999px; background: var(--paper-2); overflow: hidden; }
.bar .fill { height: 100%; border-radius: 999px; width: 0; transition: width .9s cubic-bezier(.2, .8, .2, 1); }
.bar .pct { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.bar .nm { font-weight: 600; }

.dm { display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start; margin-top: 10px; }
.dm-char {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  font-family: "Noto Serif SC", serif; font-weight: 900; font-size: 32px; border: 2px solid currentColor;
}
.dm-title { font-weight: 700; margin: 0 0 4px; }
.reading p { margin: 0; }

.locked { position: relative; overflow: hidden; }
.locked ul { padding-left: 1.2em; margin: 12px 0; }
.locked li { margin: 4px 0; }
.locked li::marker { content: "✦  "; color: var(--gold); }
.seal-lg {
  position: absolute; top: 14px; right: 14px; width: 50px; padding: 6px 0; text-align: center;
  border: 2px solid var(--cinnabar); color: var(--cinnabar); border-radius: 6px;
  font-family: "Noto Serif SC", serif; font-weight: 900; font-size: 18px; line-height: 1.15; transform: rotate(6deg); opacity: .85;
}
.locked h3 { padding-right: 60px; }
.blur { filter: blur(4px); user-select: none; color: var(--ink-2); font-size: 14px; margin: 6px 0 16px; }

.calculating { opacity: .6; pointer-events: none; }

/* 合盘邀请 */
.rel-seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 14px 0; }
.rel-seg button {
  font: inherit; font-size: 14px; padding: 10px 2px; border-radius: 12px; border: 1px solid var(--line);
  background: transparent; color: var(--ink); cursor: pointer; min-height: 44px;
}
.rel-seg button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.invite-url {
  width: 100%; margin-top: 12px; font: inherit; font-size: 14px; color: var(--ink); background: var(--paper);
  border: 1px dashed var(--line); border-radius: 12px; padding: 12px;
}
.share-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.share-row .btn { margin: 0; font-size: 15px; padding: 12px 10px; }

/* 分享卡片（在屏幕外生成，再截成 1080×1920 图片） */
.sharecard {
  position: absolute; left: -12000px; top: 0; width: 540px; height: 960px; overflow: hidden;
  background: #f4ecdc url(../img/mountains.png) no-repeat left bottom / 540px auto;
  color: #221c16; font-family: "Noto Serif SC", serif; text-align: center; padding: 64px 44px 0;
}
.sharecard .sc-frame { position: absolute; inset: 22px; border: 1px solid #cdbb9b; }
.sharecard .sc-top { font-family: "Cormorant Garamond", serif; letter-spacing: .4em; font-size: 12px; color: #8a7c68; }
.sharecard .sc-name { font-weight: 900; font-size: 34px; letter-spacing: .12em; margin: 18px 0 2px; }
.sharecard .sc-name.en { font-family: "Cormorant Garamond", serif; font-weight: 600; letter-spacing: .02em; font-size: 38px; }
.sharecard .sc-sub { font-size: 13px; color: #5e5345; }
.sharecard .sc-dm { width: 150px; height: 150px; margin: 30px auto 14px; border-radius: 50%; border: 3px solid currentColor; display: grid; place-items: center; font-size: 84px; font-weight: 900; background: rgba(255, 250, 240, .7); }
.sharecard .sc-title { font-weight: 900; font-size: 22px; }
.sharecard .sc-pillars { display: flex; justify-content: center; gap: 18px; margin: 24px 0 18px; }
.sharecard .sc-pillars div { font-weight: 900; font-size: 30px; line-height: 1.15; }
.sharecard .sc-pillars small { display: block; font-size: 11px; color: #8a7c68; font-weight: 400; margin-top: 4px; }
.sharecard .sc-bars { width: 360px; margin: 0 auto; }
.sharecard .sc-bar { display: grid; grid-template-columns: 52px 1fr 36px; gap: 8px; align-items: center; font-size: 13px; margin: 7px 0; }
.sharecard .sc-bar .t { height: 8px; background: #e9dcc3; border-radius: 9px; overflow: hidden; }
.sharecard .sc-bar .t i { display: block; height: 100%; border-radius: 9px; }
.sharecard .sc-cta { position: absolute; left: 0; right: 0; bottom: 64px; font-size: 15px; color: #221c16; }
.sharecard .sc-cta b { display: block; font-family: "Cormorant Garamond", serif; font-size: 22px; letter-spacing: .1em; color: #b03526; margin-top: 4px; }
.sharecard .el-wood { color: #4c7546; } .sharecard .el-fire { color: #c04a31; } .sharecard .el-earth { color: #9c7433; }
.sharecard .el-metal { color: #6f7a86; } .sharecard .el-water { color: #2b5574; }

/* ---------- 法律页面 & 页脚 ---------- */
.legal { max-width: 720px; margin: 0 auto; padding: 8px 16px 48px; line-height: 1.7; }
.legal h1 { font-family: "Noto Serif SC", "Cormorant Garamond", serif; font-size: 28px; margin: 12px 0 4px; }
.legal h2 { font-size: 18px; margin: 28px 0 6px; }
.legal p, .legal li { color: var(--ink); font-size: 15px; }
.legal ul { padding-left: 20px; }
.legal .updated { color: var(--ink-2); font-size: 13px; }
.legal .zh { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 8px; }
.legal a { color: var(--cinnabar); }
.site-foot { text-align: center; font-size: 12px; color: var(--ink-2); padding: 8px 16px 32px; }
.site-foot a { color: var(--ink-2); margin: 0 8px; }