:root {
  --mineral: #e8efea;
  --paper: #fbfcfa;
  --ink: #143239;
  --ink-soft: #557078;
  --jade: #1c6d68;
  --jade-light: #c8ddd6;
  --cinnabar: #c44d35;
  --brass: #a27b2e;
  --line: rgba(20, 50, 57, .16);
  --shadow: 0 24px 60px rgba(19, 58, 62, .12);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(255,255,255,.95), transparent 31rem),
    linear-gradient(150deg, #edf3ef 0%, var(--mineral) 60%, #dce7e1 100%);
  font-family: var(--sans);
  overflow-x: hidden;
}
button { font: inherit; }
button:focus-visible, a:focus-visible {
  outline: 3px solid rgba(196, 77, 53, .42);
  outline-offset: 4px;
}
.ambient { position: fixed; border-radius: 50%; filter: blur(5px); pointer-events: none; z-index: -1; }
.ambient-a { width: 28rem; height: 28rem; right: -12rem; top: 12rem; background: rgba(59, 133, 124, .10); }
.ambient-b { width: 20rem; height: 20rem; left: -10rem; top: 55rem; background: rgba(191, 125, 48, .08); }

.site-header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; gap: 12px; align-items: center; color: inherit; text-decoration: none; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 1px solid var(--ink); border-radius: 50%;
  font: 600 22px/1 var(--serif);
}
.brand strong, .brand small { display: block; }
.brand strong { font: 700 18px/1.2 var(--serif); letter-spacing: .08em; }
.brand small { margin-top: 5px; color: var(--ink-soft); font-size: 11px; letter-spacing: .16em; }
.text-button { border: 0; background: transparent; color: var(--jade); font-weight: 700; cursor: pointer; padding: 10px; }

main { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }
.hero { max-width: 780px; padding: 72px 0 52px; }
.eyebrow, .section-kicker { color: var(--cinnabar); font-size: 12px; font-weight: 800; letter-spacing: .22em; }
.hero h1 { margin: 14px 0 20px; font: 600 clamp(38px, 7vw, 78px)/1.12 var(--serif); letter-spacing: -.04em; }
.hero h1 em { color: var(--cinnabar); font-style: normal; }
.lead { max-width: 680px; color: var(--ink-soft); font-size: clamp(16px, 2.2vw, 19px); line-height: 1.85; }

.oracle-shell, .result-section, .method-note {
  background: rgba(251,252,250,.84);
  border: 1px solid rgba(255,255,255,.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.oracle-shell { border-radius: 30px; overflow: hidden; }
.cast-header { padding: 28px 32px 20px; display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid var(--line); }
.cast-header h2 { margin: 8px 0 0; font: 700 26px/1.2 var(--serif); }
.progress { min-width: 160px; color: var(--ink-soft); font-size: 13px; text-align: right; }
.progress-track { display: block; width: 160px; height: 4px; margin-top: 9px; border-radius: 4px; background: #d9e4df; overflow: hidden; }
.progress-track i { display: block; width: 0; height: 100%; background: var(--cinnabar); transition: width .35s ease; }
.cast-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(270px, .9fr); min-height: 520px; }
.plate-wrap { padding: 38px 44px 32px; border-right: 1px solid var(--line); }
.plate {
  position: relative; min-height: 380px; padding: 28px 24px;
  display: flex; flex-direction: column; justify-content: space-between;
  border: 1px solid var(--line); border-radius: 999px 999px 28px 28px;
  background: linear-gradient(180deg, rgba(223,237,231,.35), rgba(255,255,255,.72));
}
.axis-line { position: absolute; left: 50%; top: 24px; bottom: 24px; width: 1px; background: linear-gradient(var(--line), rgba(196,77,53,.22)); }
.trit-row { position: relative; z-index: 1; display: grid; grid-template-columns: 58px 1fr 38px; gap: 14px; align-items: center; opacity: .5; transition: opacity .3s, transform .3s; }
.trit-row.active { opacity: 1; transform: scale(1.025); }
.trit-row.done { opacity: 1; }
.level-name { font: 700 22px/1 var(--serif); }
.level-name small { display: block; margin-top: 6px; color: var(--ink-soft); font: 10px/1 var(--sans); }
.value { color: var(--cinnabar); font-weight: 800; font-variant-numeric: tabular-nums; }
.trit { height: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-items: center; }
.trit i { height: 7px; border-radius: 1px; background: var(--ink); transform: scaleX(0); transition: transform .32s cubic-bezier(.22,.9,.3,1.2); }
.trit.empty i { background: rgba(20,50,57,.12); transform: scaleX(1); }
.trit.one i:first-child { grid-column: 1 / 4; transform: scaleX(1); }
.trit.one i:nth-child(n+2) { display: none; }
.trit.two { grid-template-columns: repeat(2, 1fr); }
.trit.two i:nth-child(1), .trit.two i:nth-child(2) { transform: scaleX(1); }
.trit.two i:nth-child(3) { display: none; }
.trit.three i { transform: scaleX(1); }
.direction-note { margin: 20px 0 0; color: var(--ink-soft); font-size: 13px; text-align: center; }
.direction-note span { color: var(--cinnabar); font-weight: 900; }

.cast-action { padding: 54px 38px 36px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; }
.action-overline { margin: 0 0 24px; color: var(--ink-soft); font-size: 13px; }
.cast-button {
  position: relative; width: 230px; height: 230px; border: 0; border-radius: 50%; cursor: pointer;
  color: white; background: var(--ink); box-shadow: 0 18px 40px rgba(20,50,57,.24);
  transition: transform .2s ease, background .2s ease;
}
.cast-button:hover { transform: translateY(-3px); background: #1b444a; }
.cast-button:active { transform: scale(.97); }
.cast-button strong, .cast-button small { position: relative; z-index: 2; display: block; }
.cast-button strong { font: 700 24px/1.3 var(--serif); }
.cast-button small { margin-top: 9px; color: #bcd1ce; font-size: 12px; }
.touch-ring { position: absolute; inset: 14px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.touch-ring::after { content: ""; position: absolute; inset: 16px; border: 1px dashed rgba(255,255,255,.16); border-radius: 50%; }
.cast-button.complete { background: var(--jade); }
.legend { width: 100%; margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.legend > div { display: grid; gap: 8px; justify-items: center; color: var(--ink-soft); font-size: 11px; }
.mini-trit { width: 52px; height: 8px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.mini-trit i { height: 4px; background: var(--ink-soft); }
.mini-trit.one i:first-child { grid-column: 1/4; } .mini-trit.one i:nth-child(n+2) { display:none; }
.mini-trit.two { grid-template-columns: repeat(2, 1fr); }
.mini-trit.two i:nth-child(3) { display:none; }

.result-section { margin-top: 28px; padding: 42px; border-radius: 30px; }
.result-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.result-number { display: inline-block; margin: 14px 0 10px; padding: 7px 12px; color: white; background: var(--cinnabar); border-radius: 999px; font-size: 12px; font-weight: 800; }
.result-heading h2 { margin: 0; display: flex; gap: 18px; align-items: baseline; font: 700 clamp(48px,8vw,82px)/1 var(--serif); }
.result-heading h2 small { color: var(--ink-soft); font: 500 14px/1.4 var(--sans); }
.result-glyph { width: min(260px, 36vw); display: grid; gap: 12px; }
.result-glyph .trit { height: 18px; }
.result-glyph .trit i { height: 6px; background: var(--jade); }
.reading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.reading-card { position: relative; min-height: 230px; padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.72); overflow: hidden; }
.reading-card.primary { background: #eaf3ef; }
.card-index { position: absolute; right: 18px; top: 10px; color: rgba(20,50,57,.08); font: 700 70px/1 var(--serif); }
.reading-card h3, .praise-result h3 { margin: 0 0 16px; color: var(--cinnabar); font-size: 12px; letter-spacing: .2em; }
.reading-card p { position: relative; margin: 0; font-size: 16px; line-height: 1.9; }
.classical { font-family: var(--serif); font-size: 19px !important; }
.praise-gate { margin-top: 24px; padding: 26px 30px; display: flex; gap: 30px; align-items: center; justify-content: space-between; border-radius: 20px; background: var(--ink); color: white; }
.praise-gate h3 { margin: 8px 0; font: 600 22px/1.5 var(--serif); }
.praise-gate p { margin: 0; color: #bcd0cd; font-size: 13px; }
.praise-button { flex: 0 0 150px; height: 96px; border: 1px solid rgba(255,255,255,.24); border-radius: 16px; color: white; background: var(--cinnabar); cursor: pointer; }
.praise-button span, .praise-button small { display: block; }
.praise-button span { font-weight: 800; font-size: 17px; }
.praise-button small { margin-top: 6px; opacity: .75; }
.praise-result { margin-top: 24px; display: grid; grid-template-columns: 140px 1fr 1fr; gap: 14px; }
.praise-result > article, .praise-position { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: white; }
.praise-position { display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--ink-soft); }
.praise-position strong { margin-top: 8px; color: var(--cinnabar); font: 700 30px/1 var(--serif); }
.praise-result p { margin: 0; line-height: 1.85; }
.result-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.secondary-button, .primary-button { min-height: 48px; padding: 0 20px; border-radius: 12px; cursor: pointer; font-weight: 800; }
.secondary-button { color: var(--ink); border: 1px solid var(--line); background: white; }
.primary-button { color: white; border: 1px solid var(--ink); background: var(--ink); }
.method-note { margin: 28px 0 70px; padding: 26px 30px; border-radius: 20px; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.method-note p { margin: 0; } .method-note p + p { margin-top: 8px; }
.method-note strong { margin-right: 12px; color: var(--ink); }
footer { padding: 0 20px 40px; text-align: center; color: var(--ink-soft); font: 12px/1 var(--serif); letter-spacing: .18em; }
.toast { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); z-index: 10; transform: translate(-50%, 20px); padding: 12px 18px; border-radius: 999px; background: var(--ink); color: white; font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 760px) {
  .site-header { padding: 18px 20px; }
  .brand small { display: none; }
  main { width: min(100% - 24px, 620px); }
  .hero { padding: 42px 8px 32px; }
  .hero h1 { font-size: clamp(39px, 12vw, 58px); }
  .lead { font-size: 15px; line-height: 1.75; }
  .oracle-shell, .result-section { border-radius: 22px; }
  .cast-header { padding: 22px 20px 17px; align-items: center; }
  .cast-header h2 { font-size: 21px; }
  .progress { min-width: 94px; }
  .progress-track { width: 94px; }
  .cast-layout { grid-template-columns: 1fr; }
  .plate-wrap { padding: 24px 18px 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .plate { min-height: 330px; padding: 24px 18px; }
  .trit-row { grid-template-columns: 48px 1fr 28px; gap: 10px; }
  .level-name { font-size: 19px; }
  .cast-action { padding: 34px 20px 28px; }
  .cast-button { width: min(64vw, 230px); height: min(64vw, 230px); }
  .cast-button strong { font-size: 22px; }
  .result-section { padding: 28px 18px; }
  .result-heading { align-items: end; }
  .result-heading h2 { display: block; font-size: 60px; }
  .result-heading h2 small { display: block; margin-top: 10px; }
  .result-glyph { width: 104px; gap: 8px; }
  .reading-grid { grid-template-columns: 1fr; }
  .reading-card { min-height: 0; padding: 24px; }
  .praise-gate { padding: 24px; display: block; }
  .praise-button { width: 100%; height: 66px; margin-top: 20px; }
  .praise-result { grid-template-columns: 1fr; }
  .praise-position { flex-direction: row; gap: 14px; }
  .praise-position strong { margin: 0; }
  .result-actions { grid-column: 1; display: grid; grid-template-columns: 1fr 1fr; }
  .primary-button { grid-column: 1 / -1; }
  .method-note { padding: 22px; margin-bottom: 44px; }
}

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