/* odor · 东方禅意白噪音
   宣纸米白 + 墨色 + 朱砂红 + 檀木棕；细描边、轻层次、衬线标题。 */

:root {
  --paper: #f4efe4;
  --paper-2: #ece4d4;
  --card: rgba(255, 255, 255, 0.55);
  --ink: #2e2a24;
  --ink-soft: #6b6255;
  --line: #ddd3c0;
  --line-strong: #c9bda4;
  --cinnabar: #a63a2a;
  --cinnabar-soft: #c05a45;
  --sandal: #8a6a4a;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
  --shadow: 0 1px 2px rgba(46, 42, 36, 0.04);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 24px; }

body {
  margin: 0;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='96'><g fill='none' stroke='%232e2a24' stroke-opacity='0.05' stroke-width='1.1'><path d='M22 56c-7 0-12-5-12-11s6-11 12-10c1-8 9-13 16-10 5-7 16-5 17 4 7-1 13 4 13 11s-6 11-13 11z'/><circle cx='76' cy='24' r='3.2'/></g></svg>");
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
/* class-based display rules must not defeat the hidden attribute */
[hidden] { display: none !important; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: 0.6; }
:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 3px; }

.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 40px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -70px; z-index: 20;
  padding: 10px 18px; background: var(--ink); color: var(--paper); border-radius: 6px;
}
.skip-link:focus { top: 12px; }

/* ---------- header ---------- */

.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 92px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-name { font-family: var(--serif); font-size: 28px; letter-spacing: 0.14em; line-height: 1; }
.brand-sub { font-size: 11px; letter-spacing: 0.2em; color: var(--sandal); }

.site-nav { display: flex; gap: 26px; font-size: 14px; }
.site-nav a { position: relative; padding: 6px 0; color: var(--ink-soft); transition: color 0.2s; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--cinnabar); }
.site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--cinnabar);
}

/* ---------- shared blocks ---------- */

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.3em; color: var(--sandal);
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: var(--sandal); }

.hero { padding-block: 84px 56px; max-width: 780px; }
.hero-tight { padding-bottom: 20px; }
.hero h1 {
  font-family: var(--serif); font-weight: 500; letter-spacing: 0.02em;
  font-size: clamp(32px, 4.4vw, 54px); line-height: 1.5; margin: 22px 0 20px;
}
.hero h1 em { font-style: normal; color: var(--cinnabar); }
.hero p { margin: 0; max-width: 560px; color: var(--ink-soft); font-size: 15px; }

.section { padding-block: 48px; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 28px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-family: var(--serif); font-weight: 500; font-size: 25px; letter-spacing: 0.05em; margin: 10px 0 0;
}
.section-head p { margin: 0; max-width: 440px; font-size: 13px; color: var(--ink-soft); }

.btn {
  min-height: 40px; padding: 8px 20px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink);
  font-size: 13px; letter-spacing: 0.04em;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}
.btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.btn[aria-pressed="true"] { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.btn[aria-pressed="true"]:hover { background: var(--cinnabar-soft); color: #fff; }
.btn-solid { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.btn-ghost { border-color: transparent; color: var(--ink-soft); padding-inline: 8px; }
.btn-ghost:hover { color: var(--cinnabar); }

input[type="range"] {
  width: 100%; height: 24px; margin: 0; cursor: pointer;
  accent-color: var(--cinnabar); background: transparent;
}
input[type="number"] {
  width: 84px; padding: 6px 10px; border: 1px solid var(--line-strong);
  border-radius: 6px; background: rgba(255, 255, 255, 0.7);
}

/* ---------- mixer ---------- */

.mixer { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }

.track {
  display: flex; gap: 18px; padding: 20px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--card); box-shadow: var(--shadow);
  transition: border-color 0.25s, transform 0.25s;
}
.track:hover { border-color: var(--cinnabar-soft); transform: translateY(-2px); }
.track-art { flex: 0 0 52px; width: 52px; height: 52px; color: var(--sandal); }
.track-art svg { width: 100%; height: 100%; }
.track-body { flex: 1; min-width: 0; }
.track-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.track-head h3 { font-family: var(--serif); font-weight: 500; font-size: 17px; margin: 0; letter-spacing: 0.04em; }
.track-sub { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 3px; }
.track-actions { display: flex; gap: 8px; flex: none; }
.track-actions .btn { min-height: 36px; padding: 6px 14px; font-size: 12px; }

.field { margin-top: 14px; }
.field-label {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 11px; letter-spacing: 0.06em; color: var(--ink-soft);
}
.field-label output { font-family: var(--mono); color: var(--ink); }
.track-note { margin: 10px 0 0; font-size: 11px; line-height: 1.7; color: var(--sandal); }

select {
  padding: 6px 12px; border: 1px solid var(--line-strong); border-radius: 6px;
  background: rgba(255, 255, 255, 0.72); font-size: 13px;
}
.progress-label { margin: 8px 0 0; font-size: 11px; font-family: var(--mono); color: var(--ink-soft); }

.mixer-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin-top: 18px; flex-wrap: wrap;
}
.mixer-status { margin: 0; font-size: 12px; color: var(--ink-soft); }

/* ---------- sitting timer ---------- */

.sit {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center;
  margin-top: 28px; padding: 28px 30px;
  border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: var(--shadow);
}
.sit-clock { font-family: var(--mono); font-size: 46px; letter-spacing: 0.04em; line-height: 1.1; }
.sit-note { margin: 6px 0 0; font-size: 12px; color: var(--ink-soft); }
.sit-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sit-presets .btn { min-height: 38px; padding: 6px 14px; font-size: 12px; }
.sit-controls { display: flex; gap: 10px; align-items: center; }
.sit-custom { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 12px; color: var(--ink-soft); flex-wrap: wrap; }
.sit-feedback { margin: 14px 0 0; font-size: 12px; color: var(--ink-soft); min-height: 1.8em; }

/* ---------- sutra ---------- */

.sutra-meta {
  display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 24px; padding: 18px 20px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card);
  font-size: 12px; color: var(--ink-soft);
}
.sutra-meta b { color: var(--ink); font-weight: 600; }

.sutra-panel {
  display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center;
  margin-top: 20px; padding: 16px 20px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--card);
}
.sutra-panel .group { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--ink-soft); }
.sutra-progress { flex: 1; min-width: 180px; }
.sutra-progress .bar { height: 3px; background: var(--paper-2); border-radius: 999px; overflow: hidden; }
.sutra-progress .bar i { display: block; height: 100%; width: 0; background: var(--cinnabar); transition: width 0.4s linear; }

.sutra-text {
  margin-top: 26px; padding: 30px 32px;
  border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 255, 255, 0.42);
  font-family: var(--serif); font-size: 19px; line-height: 2.2; letter-spacing: 0.05em;
}
.sutra-line { padding: 2px 6px; margin: 0; border-radius: 6px; transition: background 0.35s, color 0.35s; }
.sutra-line + .sutra-line { margin-top: 6px; }
.sutra-line.is-active { background: rgba(166, 58, 42, 0.1); color: var(--cinnabar); }

/* ---------- fortune ---------- */

.notice {
  margin-top: 24px; padding: 18px 20px; border-radius: 12px;
  border: 1px solid var(--cinnabar); background: rgba(166, 58, 42, 0.06);
  font-size: 13px; line-height: 1.9; color: var(--ink);
}
.notice strong { color: var(--cinnabar); }

.steps { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 0; padding: 0; font-size: 12px; color: var(--ink-soft); }
.steps li { list-style: none; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; }
.steps li[aria-current="step"] { border-color: var(--cinnabar); color: var(--cinnabar); }
.shaker-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

.fortune-stage {
  margin-top: 22px; padding: 30px; border: 1px solid var(--line);
  border-radius: 18px; background: var(--card); box-shadow: var(--shadow);
}
.shaker { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.shaker p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.tube { width: 84px; height: 132px; color: var(--sandal); }
.tube.is-shaking { animation: shake 0.4s ease-in-out infinite; }
@keyframes shake {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

.jiaobei { display: flex; gap: 20px; justify-content: center; margin: 8px 0; }
.jiaobei span {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50% 50% 46% 46%;
  border: 1px solid var(--line-strong); background: rgba(255, 255, 255, 0.6);
  font-family: var(--serif); font-size: 18px; color: var(--sandal);
}
.jiaobei span.is-flat { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.result-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 18px; }
.result-no { font-family: var(--serif); font-size: 30px; letter-spacing: 0.08em; }
.grade { padding: 3px 12px; border-radius: 999px; font-size: 12px; letter-spacing: 0.1em; border: 1px solid currentColor; }
.grade[data-grade="上上"], .grade[data-grade="上吉"] { color: var(--cinnabar); }
.grade[data-grade="中吉"], .grade[data-grade="中平"] { color: var(--sandal); }
.grade[data-grade="中下"], .grade[data-grade="下下"] { color: var(--ink-soft); }
.result-title { font-family: var(--serif); font-size: 18px; color: var(--ink-soft); }

.poem {
  margin: 22px 0 0; padding: 20px 24px; border-left: 2px solid var(--cinnabar);
  background: rgba(166, 58, 42, 0.04); border-radius: 0 10px 10px 0;
  font-family: var(--serif); font-size: 20px; line-height: 2.1; letter-spacing: 0.1em;
}
.poem span { display: block; }

.reading { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 24px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.reading div { padding: 16px 18px; background: rgba(255, 255, 255, 0.55); }
.reading dt { font-size: 11px; letter-spacing: 0.18em; color: var(--cinnabar); margin: 0 0 6px; }
.reading dd { margin: 0; font-size: 13px; line-height: 1.9; color: var(--ink-soft); }

.yiji { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 20px; }
.yiji div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; }
.yiji h3 { margin: 0 0 8px; font-size: 12px; letter-spacing: 0.2em; font-weight: 500; }
.yiji ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--ink-soft); }
.yiji .good h3 { color: var(--cinnabar); }
.yiji .bad h3 { color: var(--ink-soft); }

/* ---------- prose pages ---------- */

.prose { max-width: 720px; padding-block: 8px 48px; }
.prose h2 { font-family: var(--serif); font-weight: 500; font-size: 22px; letter-spacing: 0.05em; margin: 40px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 14px; color: var(--ink-soft); }
.prose ul { margin: 0 0 14px; padding-left: 20px; color: var(--ink-soft); }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--cinnabar); text-decoration: underline; text-underline-offset: 3px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 22px 0; }
.facts div { padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.facts b { display: block; font-family: var(--serif); font-size: 22px; color: var(--cinnabar); }
.facts span { font-size: 12px; color: var(--ink-soft); }

/* ---------- 404 ---------- */

.notfound { padding-block: 96px 80px; max-width: 620px; }
.notfound h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.5; margin: 20px 0 18px; }
.notfound p { color: var(--ink-soft); margin: 0 0 28px; }
.notfound-code { font-family: var(--mono); font-size: 12px; letter-spacing: 0.28em; color: var(--sandal); }

/* ---------- footer ---------- */

.site-footer {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  margin-top: 40px; padding-block: 30px 44px; border-top: 1px solid var(--line);
}
.site-footer .brand-name { font-size: 22px; }
.site-footer p { margin: 8px 0 0; font-size: 12px; color: var(--ink-soft); }
.site-footer .meta { text-align: right; font-size: 12px; color: var(--ink-soft); }
.site-footer .meta a { color: var(--cinnabar); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .wrap { padding-inline: 28px; }
  .reading { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .wrap { padding-inline: 20px; }
  .site-header { flex-wrap: wrap; gap: 10px 18px; padding-block: 16px; min-height: 0; }
  .site-nav { gap: 18px; font-size: 13px; }
  .hero { padding-block: 52px 36px; }
  .hero h1 { font-size: 32px; }
  .section { padding-block: 34px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .section-head p { max-width: none; }
  .mixer { grid-template-columns: 1fr; gap: 12px; }
  .track { padding: 16px; gap: 14px; }
  .track-art { flex-basis: 42px; width: 42px; height: 42px; }
  .sit { grid-template-columns: 1fr; gap: 18px; padding: 22px; }
  .sit-clock { font-size: 38px; }
  .sutra-text { padding: 22px 18px; font-size: 17px; line-height: 2.1; }
  .fortune-stage { padding: 22px 18px; }
  .yiji { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  .site-footer .meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .track:hover { transform: none; }
  .tube.is-shaking { animation: none; }
}