:root {
  --ink: #1d2c27;
  --ink-deep: #12201c;
  --paper: #f1f3ef;
  --paper-light: #fbfcfa;
  --line: rgba(29, 44, 39, .16);
  --muted: #66736d;
  --accent: #a34f36;
  --accent-soft: #d7a58e;
  --moss: #557565;
  --header-h: 70px;
  --serif: "Songti SC", "Noto Serif SC", STSong, SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
body * { letter-spacing: 0; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; padding: 10px 14px; background: white; }
.skip-link:focus { top: 12px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 252, 250, .92);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--ink); border-radius: 50%;
  font-family: var(--serif); font-size: 20px;
}
.brand b { display: block; font: 600 20px/1.05 var(--serif); letter-spacing: .14em; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .16em; }
.desktop-nav { display: flex; height: 100%; }
.nav-link {
  position: relative; padding: 0 21px; border: 0; background: transparent;
  font-size: 13px; cursor: pointer;
}
.nav-link::after { content: ""; position: absolute; left: 21px; right: 21px; bottom: -1px; height: 2px; background: transparent; }
.nav-link.is-active::after { background: var(--accent); }
.install-button {
  justify-self: end; padding: 9px 15px; border: 1px solid var(--ink); border-radius: 99px;
  background: transparent; font-size: 12px; cursor: pointer;
}

.view { display: none; min-height: calc(100vh - var(--header-h)); }
.view.is-active { display: block; animation: viewIn .36s ease both; }
@keyframes viewIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.intro {
  position: relative;
  min-height: min(600px, calc(100svh - var(--header-h)));
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  padding: 54px clamp(24px, 8vw, 132px) 70px;
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 25%, rgba(255,255,255,.48), transparent 30%),
    linear-gradient(120deg, #eee8d9 0 56%, #dbe0cf 56% 100%);
}
.intro-copy { position: relative; z-index: 1; max-width: 680px; animation: heroIn .7s cubic-bezier(.22,.8,.24,1) both; }
@keyframes heroIn { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
.eyebrow { margin: 0 0 22px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .2em; }
.intro h1, .utility-intro h1 {
  margin: 0; font: 500 clamp(58px, 7.4vw, 112px)/.98 var(--serif); letter-spacing: -.05em;
}
.intro-copy > p:last-child {
  max-width: 430px; margin: 30px 0 0; color: #4f625b; font-size: 15px; line-height: 1.9;
}
.botanical { position: relative; justify-self: center; width: min(34vw, 420px); min-width: 300px; }
.botanical svg { display: block; width: 100%; overflow: visible; filter: drop-shadow(0 30px 38px rgba(23,52,45,.09)); }
.botanical path { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.botanical .leaf { fill: rgba(112,138,111,.15); }
.botanical circle { fill: var(--accent); stroke: none; }
.botanical span { position: absolute; right: 5%; bottom: 17%; font: 500 54px/1 var(--serif); }
.botanical small { position: absolute; right: 3%; bottom: 11%; color: var(--muted); font-size: 11px; letter-spacing: .12em; }

.search-zone {
  position: sticky; top: var(--header-h); z-index: 30;
  display: flex; align-items: center; gap: 18px;
  padding: 18px clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(250,248,241,.94); backdrop-filter: blur(16px);
}
.search-box-wrap { position: relative; flex: 1; max-width: 720px; min-width: 0; }
.search-box-wrap .search-box { max-width: none; padding-right: 72px; }
.search-status { min-height: 14px; margin: 6px 0 0 32px; color: var(--muted); font-size: 10px; line-height: 1.4; }
.search-clear {
  position: absolute; top: 2px; right: 35px; width: 28px; height: 28px; padding: 0;
  border: 0; border-radius: 50%; background: transparent; color: var(--muted);
  font-size: 21px; line-height: 1; cursor: pointer;
}
.search-clear:hover { color: var(--accent); background: #efe1d9; }
.search-clear[hidden] { display: none; }
.search-box { flex: 1; max-width: 670px; display: flex; align-items: center; gap: 12px; }
.search-box svg { width: 20px; fill: none; stroke: var(--ink); stroke-width: 1.7; }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 16px; }
.search-box input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; display: none; }
.search-box input::placeholder { color: #89958f; }
.search-box:focus-within { color: var(--accent); }
.search-box kbd { padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); background: var(--paper); font-size: 10px; white-space: nowrap; }
.suggestions { display: flex; gap: 7px; overflow-x: auto; scrollbar-width: none; }
.suggestions::-webkit-scrollbar { display: none; }
.suggestions button { flex: 0 0 auto; padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; background: transparent; font-size: 11px; cursor: pointer; }
.suggestions button:hover { border-color: var(--accent); color: var(--accent); }

.library-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 720px; }
.category-rail { padding: 46px 30px 60px clamp(24px, 4vw, 64px); border-right: 1px solid var(--line); }
.category-rail > p { margin: 0 0 21px; color: var(--muted); font-size: 10px; letter-spacing: .14em; }
.category-button {
  width: 100%; display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 8px;
  padding: 13px 0; border: 0; border-bottom: 1px solid transparent; background: transparent;
  text-align: left; font-size: 13px; cursor: pointer;
}
.category-button span { color: var(--muted); font: 500 10px/1 var(--serif); }
.category-button em { color: #94a09a; font-size: 10px; font-style: normal; }
.category-button.is-active { border-bottom-color: var(--ink); color: var(--accent); }
.favorite-filter { margin-top: 24px; border-top: 1px solid var(--line); }
.oil-library { min-width: 0; padding: 45px clamp(24px, 5vw, 74px) 90px; background: var(--paper-light); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--ink); }
.section-heading p { margin: 0 0 8px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.section-heading h2 { margin: 0; font: 500 clamp(27px, 3vw, 42px)/1.1 var(--serif); }
.section-heading > span { color: var(--muted); font-size: 11px; white-space: nowrap; }
.oil-list { counter-reset: oils; }
.oil-row {
  counter-increment: oils; position: relative; display: grid;
  grid-template-columns: 38px minmax(150px, .8fr) minmax(170px, 1fr) minmax(210px, 1.2fr) 44px;
  align-items: center; gap: 20px; min-height: 112px;
  border-bottom: 1px solid var(--line); cursor: pointer;
  transition: padding .24s ease, background .24s ease;
}
.oil-row::before { content: counter(oils, decimal-leading-zero); color: #9aa39e; font: 10px/1 var(--serif); }
.oil-row:hover { padding-inline: 12px; background: rgba(219,224,207,.35); }
.oil-name b { display: block; font: 500 21px/1.2 var(--serif); }
.oil-name small { display: block; margin-top: 6px; color: var(--muted); font: italic 11px/1.3 Georgia, serif; }
.oil-aroma { color: #53645d; font-size: 12px; line-height: 1.7; }
.oil-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.oil-tags span { padding: 5px 8px; border-radius: 99px; background: #ebe7da; color: #53645d; font-size: 10px; }
.oil-tags .flag { color: #9e452c; background: #f0ddd3; }
.favorite-button { width: 38px; height: 38px; border: 0; border-radius: 50%; background: transparent; color: #819089; font-size: 18px; cursor: pointer; }
.favorite-button:hover, .favorite-button.is-favorite { color: var(--accent); background: #efe1d9; }
.oil-row-open { color: var(--muted); font: 16px/1 var(--serif); text-align: center; }
.empty-state { padding: 100px 20px; text-align: center; }
.empty-state span { color: var(--accent); font-size: 10px; letter-spacing: .16em; }
.empty-state h3 { margin: 14px 0 24px; font: 500 28px/1.2 var(--serif); }
.empty-state button { padding: 10px 16px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }

.database-intro {
  display: grid; grid-template-columns: minmax(0,1.2fr) minmax(380px,.8fr); align-items: end; gap: 70px;
  min-height: 360px; padding: 72px clamp(24px, 6vw, 96px) 58px;
  color: white; background: var(--ink);
}
.database-intro h1 { margin: 0; font: 500 clamp(50px,6vw,86px)/1 var(--serif); letter-spacing: -.05em; }
.database-intro > div > p:last-child { max-width: 670px; margin: 24px 0 0; color: #b9c8c0; font-size: 14px; line-height: 1.85; }
.database-stats { display: grid; grid-template-columns: repeat(3,1fr); margin: 0; border-top: 1px solid rgba(255,255,255,.28); }
.database-stats div { padding: 20px 16px 0 0; }
.database-stats div + div { padding-left: 16px; border-left: 1px solid rgba(255,255,255,.18); }
.database-stats dt { color: #e0a387; font: 500 clamp(28px,3.2vw,46px)/1 var(--serif); }
.database-stats dd { margin: 8px 0 0; color: #aebeb6; font-size: 10px; }
.library-search-zone {
  position: sticky; top: var(--header-h); z-index: 30; display: flex; align-items: center; gap: 22px;
  padding: 17px clamp(20px, 4vw, 64px); border-bottom: 1px solid var(--line);
  background: rgba(250,248,241,.95); backdrop-filter: blur(16px);
}
.library-search-wrap { max-width: 720px; }
.library-search { flex: 1; max-width: none; }
.library-quick-search { display: flex; gap: 7px; overflow-x: auto; scrollbar-width: none; }
.library-quick-search::-webkit-scrollbar { display: none; }
.library-quick-search button { flex: 0 0 auto; padding: 7px 11px; border: 1px solid var(--line); border-radius: 99px; background: transparent; font-size: 10px; cursor: pointer; }
.library-quick-search button:hover { color: var(--accent); border-color: var(--accent); }
.archive-intro {
  position: relative; min-height: min(470px, calc(100svh - var(--header-h) - 130px)); display: grid; grid-template-columns: minmax(0,1.1fr) minmax(330px,.9fr);
  align-items: center; padding: 60px clamp(24px,8vw,132px) 72px; overflow: hidden;
  background: radial-gradient(circle at 76% 28%,rgba(255,255,255,.52),transparent 28%), linear-gradient(125deg,#eee8d9 0 60%,#dbe0cf 60% 100%);
}
.archive-intro h1 { margin: 0; font: 500 clamp(58px,7.2vw,106px)/.98 var(--serif); letter-spacing: -.055em; }
.archive-intro .intro-copy > p:last-child { max-width: 490px; }
.archive-botanical { position: relative; justify-self: center; width: min(31vw,380px); min-width: 290px; opacity: .76; }
.archive-botanical svg { display: block; width: 100%; overflow: visible; }
.archive-botanical path { fill: none; stroke: var(--ink); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.archive-botanical .leaf { fill: rgba(112,138,111,.13); }
.library-domain-nav { display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid var(--line); background: var(--paper); }
.library-domain {
  position: relative; display: grid; grid-template-columns: 34px 1fr auto; grid-template-rows: auto auto; gap: 5px 10px;
  min-height: 116px; padding: 26px clamp(16px,2.6vw,38px); border: 0; border-right: 1px solid var(--line);
  background: transparent; text-align: left; cursor: pointer; transition: background .2s ease;
}
.library-domain:last-child { border-right: 0; }
.library-domain > span { grid-row: 1 / 3; color: #98a29d; font: 500 10px/1 var(--serif); padding-top: 5px; }
.library-domain b { font: 500 22px/1.2 var(--serif); }
.library-domain small { color: var(--muted); font-size: 10px; }
.library-domain em { grid-column: 3; grid-row: 1 / 3; align-self: center; color: #9a6b58; font: 500 25px/1 var(--serif); font-style: normal; }
.library-domain::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 3px; background: var(--accent); transition: right .25s ease; }
.library-domain:hover { background: rgba(219,224,207,.35); }
.library-domain.is-active::after { right: 0; }
.library-domain.is-active b { color: var(--accent); }
.archive-layout { display: grid; grid-template-columns: 250px minmax(0,1fr); min-height: 720px; }
.archive-sections { padding: 42px 28px 70px clamp(24px,4vw,64px); border-right: 1px solid var(--line); }
.archive-sections > p, .archive-personal > p { margin: 0 0 14px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.archive-section {
  width: 100%; display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border: 0;
  border-bottom: 1px solid transparent; background: transparent; text-align: left; font-size: 12px; cursor: pointer;
}
.archive-section em { color: #98a39d; font-size: 9px; font-style: normal; }
.archive-section:hover, .archive-section.is-active { color: var(--accent); border-bottom-color: var(--ink); }
.archive-personal { margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--line); }
.library-workspace { display: grid; grid-template-columns: 260px minmax(0,1fr); min-height: 760px; }
.library-filters { padding: 38px 28px 80px clamp(24px,4vw,64px); border-right: 1px solid var(--line); }
.filter-group { margin-bottom: 34px; }
.filter-group > p { margin: 0 0 12px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.library-filter {
  width: 100%; display: flex; justify-content: space-between; gap: 10px; padding: 9px 0;
  border: 0; border-bottom: 1px solid transparent; background: transparent; text-align: left; font-size: 12px; cursor: pointer;
}
.library-filter em { color: #98a39d; font-size: 9px; font-style: normal; }
.library-filter:hover, .library-filter.is-active { color: var(--accent); border-bottom-color: var(--ink); }
.section-filter-group .library-filter { color: #65746d; font-size: 11px; }
.section-filter-group .library-filter.is-active { color: var(--accent); }
.library-results { min-width: 0; padding: 43px clamp(22px,5vw,72px) 100px; background: var(--paper-light); }
.library-heading { margin-bottom: 0; }
.library-row {
  display: grid; grid-template-columns: 92px minmax(180px,.7fr) minmax(280px,1.3fr) 70px 38px;
  gap: 22px; align-items: center; min-height: 118px; border-bottom: 1px solid var(--line); cursor: pointer;
  transition: padding .22s ease, background .22s ease;
}
.library-row:hover { padding-inline: 10px; background: rgba(219,224,207,.35); }
.library-type { color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .08em; }
.library-title b { display: block; font: 500 20px/1.35 var(--serif); }
.library-title small { display: block; margin-top: 6px; color: var(--muted); font-size: 9px; }
.library-excerpt { margin: 0; color: #5a6962; font-size: 11px; line-height: 1.75; }
.library-meta { color: #8b9690; font-size: 9px; text-align: right; }
.library-row .favorite-button { font-size: 16px; }
.library-search-group { display: flex; align-items: baseline; gap: 12px; margin: 28px 0 0; padding: 8px 0 7px; border-bottom: 1px solid var(--ink); color: var(--accent); }
.library-search-group:first-child { margin-top: 20px; }
.library-search-group span { font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.library-search-group em { color: var(--muted); font-size: 9px; font-style: normal; }
.load-more { display: block; width: 100%; margin-top: 28px; padding: 13px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.load-more[hidden] { display: none; }
.load-more:hover { color: white; background: var(--ink); }

.library-dialog {
  width: min(920px,100%); height: 100%; max-height: none; margin: 0 0 0 auto; padding: 0; border: 0;
  background: var(--paper-light); color: var(--ink);
}
.library-dialog::backdrop { background: rgba(12,31,26,.55); backdrop-filter: blur(4px); }
.library-dialog[open] { animation: dialogIn .36s cubic-bezier(.2,.7,.2,1) both; }
.library-dialog-shell { min-height: 100%; padding: 28px clamp(24px,7vw,88px) 90px; }
.library-detail-kicker { display: flex; gap: 10px; align-items: center; margin: 62px 0 18px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.library-detail-kicker span + span::before { content: "·"; margin-right: 10px; color: var(--muted); }
.library-detail-title { margin: 0; font: 500 clamp(43px,7vw,76px)/1.04 var(--serif); letter-spacing: -.04em; }
.library-detail-summary { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 22px 0 30px; padding-bottom: 24px; border-bottom: 1px solid var(--ink); color: var(--muted); font-size: 10px; }
.risk-strip { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 28px; }
.risk-strip span { padding: 6px 9px; border-radius: 99px; color: #8e432e; background: #f0ddd3; font-size: 10px; }
.personal-note-banner { margin-bottom: 34px; padding: 16px 18px; border-left: 3px solid var(--accent); background: #eee6db; color: #66574f; font-size: 11px; line-height: 1.75; }
.entry-quick-guide { margin: 36px 0 52px; border-block: 1px solid var(--ink); }
.entry-quick-guide > header { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 24px 0 18px; }
.entry-quick-guide > header p { margin: 0; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.entry-quick-guide > header h3 { margin: 0; font: 500 25px/1.2 var(--serif); }
.entry-facts { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.entry-facts div { min-width: 0; padding: 17px 15px 17px 0; }
.entry-facts div + div { padding-left: 15px; border-left: 1px solid var(--line); }
.entry-facts small { display: block; margin-bottom: 7px; color: var(--muted); font-size: 9px; }
.entry-facts b { display: block; overflow-wrap: anywhere; font: 500 12px/1.5 var(--serif); }
.entry-guide-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.entry-guide-grid section { padding: 24px 28px 24px 0; border-bottom: 1px solid var(--line); }
.entry-guide-grid section:nth-child(even) { padding-inline: 28px 0; border-left: 1px solid var(--line); }
.entry-guide-grid h4 { margin: 0 0 13px; color: var(--accent); font-size: 9px; letter-spacing: .12em; }
.entry-guide-grid p, .entry-guide-grid li { color: #4d6158; font-size: 12px; line-height: 1.75; }
.entry-guide-grid p { margin: 8px 0; }
.entry-guide-grid ul { margin: 0; padding-left: 18px; }
.entry-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.entry-tags span { padding: 6px 9px; border-radius: 99px; background: #e9e5d8; font-size: 10px; }
.entry-guide-warning { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 20px 0; }
.entry-guide-warning b { color: #8e432e; font: 500 15px/1.3 var(--serif); }
.entry-guide-warning p, .carrier-guide-note { margin: 0; color: #674f45; font-size: 11px; line-height: 1.75; }
.entry-note-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.entry-note-section { min-width: 0; padding: 22px 24px 24px 0; border-bottom: 1px solid var(--line); }
.entry-note-section:nth-child(even) { padding-inline: 24px 0; border-left: 1px solid var(--line); }
.entry-note-section h4 { margin: 0 0 11px; color: var(--accent); font-size: 9px; letter-spacing: .12em; }
.entry-note-content { color: #4d6158; font-size: 12px; line-height: 1.75; }
.entry-note-content p { margin: 7px 0; }
.entry-note-content ul, .entry-note-content ol { margin: 7px 0; padding-left: 18px; }
.entry-note-content h2, .entry-note-content h3, .entry-note-content h4 { margin: 17px 0 8px; color: var(--ink); font-family: var(--serif); font-size: 17px; letter-spacing: 0; }
.entry-note-content h2:first-child, .entry-note-content h3:first-child, .entry-note-content h4:first-child { margin-top: 0; }
.entry-note-content .markdown-table-wrap { overflow-x: auto; margin: 8px 0; }
.entry-note-content table { min-width: 100%; font-size: 11px; }
.entry-note-content blockquote { margin: 10px 0; padding-left: 12px; border-left: 2px solid var(--line); color: #66766e; }
.entry-source-details { margin-top: 22px; border-top: 1px solid var(--line); }
.entry-source-details > summary { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; color: var(--ink); cursor: pointer; list-style: none; }
.entry-source-details > summary::-webkit-details-marker { display: none; }
.entry-source-details > summary::after { content: '＋'; color: var(--accent); }
.entry-source-details[open] > summary::after { content: '－'; }
.entry-source-details > summary b { font: 500 16px/1.3 var(--serif); }
.entry-source-details > summary span { color: var(--muted); font-size: 10px; }
.entry-source-details[open] > summary { border-bottom: 1px solid var(--line); }
.entry-source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.entry-source-grid .entry-note-section { padding-top: 19px; padding-bottom: 20px; }
.essential-book-attributes { margin-top: 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.essential-book-attributes > summary { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; cursor: pointer; list-style: none; }
.essential-book-attributes > summary::-webkit-details-marker { display: none; }
.essential-book-attributes > summary::after { content: '＋'; color: var(--accent); }
.essential-book-attributes[open] > summary::after { content: '－'; }
.essential-book-attributes > summary b { font: 500 16px/1.3 var(--serif); }
.essential-book-attributes > summary span { max-width: 76%; color: var(--muted); font-size: 10px; line-height: 1.6; text-align: right; }
.essential-book-attribute-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.essential-book-attribute-grid section { min-width: 0; padding: 20px 24px 22px 0; border-bottom: 1px solid var(--line); }
.essential-book-attribute-grid section:nth-child(even) { padding-inline: 24px 0; border-left: 1px solid var(--line); }
.essential-book-attribute-grid h5 { margin: 0 0 12px; color: var(--accent); font-size: 10px; letter-spacing: .08em; }
.essential-book-attribute-grid ul { display: grid; gap: 9px; margin: 0; padding-left: 17px; }
.essential-book-attribute-grid li { color: #4d6158; font-size: 11px; line-height: 1.7; }
.essential-book-attribute-grid li small { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; }
.essential-book-attributes > .structured-note { margin: 0; padding: 14px 0 16px; color: var(--muted); font-size: 10px; line-height: 1.65; }
.symptom-method-list { display: grid; gap: 9px; margin: 0 !important; padding-left: 0 !important; list-style: none; }
.symptom-method-list li { display: grid; grid-template-columns: 22px 1fr; gap: 7px; margin: 0; }
.symptom-method-list li > b { color: var(--accent); font-family: var(--serif); font-weight: 500; }
.symptom-oil-reason-list { display: grid; gap: 13px; margin: 0 !important; padding: 0 !important; list-style: none; }
.symptom-oil-reason-list li { display: grid; gap: 6px; margin: 0; }
.symptom-oil-reason-list li > b { display: flex; align-items: center; font-weight: 500; }
.symptom-oil-reason-list li > span { color: var(--muted); line-height: 1.75; }
.symptom-oil-reason-list .detail-link { min-height: 30px; padding: 5px 10px; }
.detail-link, .detail-chip { display: inline-flex; align-items: center; margin: 0 6px 6px 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; background: transparent; color: var(--ink); font-size: 10px; line-height: 1.2; }
.detail-link { cursor: pointer; }
.detail-link:hover { border-color: var(--accent); background: var(--accent); color: white; }
.detail-chip { background: #e9e5d8; }
.symptom-caution-section { background: rgba(240, 221, 211, .22); }
.note-facts { grid-template-columns: repeat(4, 1fr); }
.note-facts b.is-missing { color: var(--muted); font-family: var(--sans); font-size: 10px; font-weight: 400; }
.note-missing { color: var(--muted) !important; font-style: italic; }
.carrier-facts { grid-template-columns: repeat(3,1fr); }
.carrier-guide-note { padding: 20px 0; border-top: 1px solid var(--line); }
.note-outline { margin: 48px 0 24px; padding-block: 18px; border-block: 1px solid var(--line); }
.note-outline > p { margin: 0 0 12px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.note-outline > div { display: flex; flex-wrap: wrap; gap: 7px; }
.note-outline button { padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; background: transparent; font-size: 10px; cursor: pointer; }
.note-outline button:hover { color: white; border-color: var(--accent); background: var(--accent); }
.markdown-body { font-family: var(--sans); color: #3f554c; font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.markdown-body h2, .markdown-body h3, .markdown-body h4 { color: var(--ink); font-family: var(--serif); font-weight: 500; line-height: 1.35; }
.markdown-body h2 { margin: 46px 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 29px; }
.markdown-body h3 { margin: 34px 0 14px; font-size: 22px; }
.markdown-body h4 { margin: 26px 0 10px; font-size: 17px; }
.markdown-body p { margin: 12px 0; }
.markdown-body ul, .markdown-body ol { padding-left: 23px; }
.markdown-body li { margin: 5px 0; }
.markdown-body blockquote { margin: 24px 0; padding: 15px 20px; border-left: 3px solid var(--moss); background: #eef0e7; }
.markdown-body blockquote p { margin: 0; }
.markdown-body a { color: var(--accent); text-underline-offset: 3px; }
.markdown-body .wiki-link { padding: 0; border: 0; border-bottom: 1px dashed var(--accent); background: transparent; color: var(--accent); cursor: pointer; }
.markdown-table-wrap { width: 100%; overflow-x: auto; margin: 22px 0; border-block: 1px solid var(--line); }
.markdown-body table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 11px; line-height: 1.65; }
.markdown-body th, .markdown-body td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.markdown-body th { color: var(--ink); background: #ece9de; }
.library-related { margin-top: 46px; padding-top: 26px; border-top: 1px solid var(--ink); }
.library-related h3 { margin: 0 0 16px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.library-related-list { display: flex; flex-wrap: wrap; gap: 7px; }
.library-related-list button { padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; background: transparent; font-size: 10px; cursor: pointer; }
.library-related-list button:hover { color: white; background: var(--accent); border-color: var(--accent); }
.book-evidence-section { margin-top: 52px; }
.book-evidence-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 18px; }
.book-evidence-heading p { margin: 0 0 6px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.book-evidence-heading h3 { margin: 0; color: var(--ink); font: 500 24px/1.2 var(--serif); letter-spacing: 0; }
.book-evidence-heading > span { max-width: 260px; color: var(--muted); font-size: 10px; line-height: 1.6; text-align: right; }
.book-evidence-warning { margin: 0 0 16px; padding: 11px 13px; border-left: 2px solid #b85c3b; background: #f0e3db; color: #744635; font-size: 10px; line-height: 1.65; }
.book-evidence-list { border-top: 1px solid var(--line); }
.book-evidence { display: grid; grid-template-columns: minmax(190px,.8fr) minmax(250px,1.2fr) auto; gap: 22px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--line); }
.book-evidence-meta b { display: block; font: 500 15px/1.45 var(--serif); }
.book-evidence-meta small { display: block; margin-top: 7px; color: var(--muted); font-size: 9px; line-height: 1.55; }
.book-evidence > p { margin: 0; color: #4d6158; font-size: 11px; line-height: 1.75; }
.book-evidence > button { padding: 6px 0 4px; border: 0; border-bottom: 1px solid var(--ink); background: transparent; font-size: 9px; white-space: nowrap; cursor: pointer; }
.book-evidence > button:hover { color: var(--accent); border-color: var(--accent); }
.topic-map-content { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--ink); }
.topic-map-lead { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 28px; }
.topic-map-lead p { max-width: 470px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.topic-map-lead strong { color: var(--accent); font: 500 20px/1.3 var(--serif); text-align: right; }
.topic-map-content > h3 { margin: 0 0 14px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.topic-passage-list { border-top: 1px solid var(--line); }
.topic-passage { display: grid; grid-template-columns: 74px minmax(0,1fr); gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.topic-passage > span { color: var(--accent); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.topic-passage p { margin: 0; color: #4d6158; font-size: 12px; line-height: 1.85; }
.structured-evidence { margin-top: 26px; }
.structured-evidence > h3 { margin: 0 0 14px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.structured-overview { margin: 0 0 22px; color: var(--ink); font-size: 13px; line-height: 1.9; }
.structured-groups { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 28px; border-top: 1px solid var(--line); }
.structured-group { border-bottom: 1px solid var(--line); }
.structured-group > summary, .structured-sources > summary { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; color: var(--ink); cursor: pointer; list-style: none; }
.structured-group > summary::-webkit-details-marker, .structured-sources > summary::-webkit-details-marker { display: none; }
.structured-group > summary::after, .structured-sources > summary::after { content: '＋'; color: var(--accent); }
.structured-group[open] > summary::after, .structured-sources[open] > summary::after { content: '－'; }
.structured-group > summary b, .structured-sources > summary b { font: 600 16px/1.4 var(--serif); }
.structured-group > summary span, .structured-sources > summary span { color: var(--muted); font-size: 10px; }
.structured-group-body { padding: 0 0 16px; }
.structured-group .topic-passage-detail { display: block; padding: 0; border-bottom: 1px solid var(--line); }
.topic-passage-detail > summary { display: flex; align-items: start; justify-content: space-between; gap: 14px; padding: 13px 0; color: #4d6158; cursor: pointer; list-style: none; }
.topic-passage-detail > summary::-webkit-details-marker { display: none; }
.topic-passage-detail > summary::after { content: '＋'; flex: 0 0 auto; color: var(--accent); }
.topic-passage-detail[open] > summary::after { content: '－'; }
.topic-passage-detail > summary span { font-size: 11px; line-height: 1.7; }
.topic-passage-detail > summary small { flex: 0 0 auto; color: var(--muted); font-size: 10px; white-space: nowrap; }
.topic-passage-full { padding: 0 0 14px; color: #4d6158; font-size: 11px; line-height: 1.85; }
.topic-passage-full p { margin: 0; }
.structured-sources { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }
.structured-sources-body { padding-bottom: 4px; }
.structured-sources ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.structured-sources li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 11px; }
.structured-sources li span { color: var(--muted); text-align: right; }
.structured-note { margin: 20px 0 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.book-evidence-details, .original-note-details { margin-top: 30px; border-top: 1px solid var(--line); }
.book-evidence-details > summary, .original-note-details > summary { display: flex; justify-content: space-between; gap: 18px; padding: 16px 0; color: var(--ink); cursor: pointer; list-style: none; }
.book-evidence-details > summary::-webkit-details-marker, .original-note-details > summary::-webkit-details-marker { display: none; }
.book-evidence-details > summary::after, .original-note-details > summary::after { content: '＋'; color: var(--accent); }
.book-evidence-details[open] > summary::after, .original-note-details[open] > summary::after { content: '－'; }
.book-evidence-details > summary b, .original-note-details > summary b { font: 500 18px/1.3 var(--serif); }
.book-evidence-details > summary span, .original-note-details > summary span { color: var(--muted); font-size: 10px; }
.book-evidence-details[open] > summary, .original-note-details[open] > summary { border-bottom: 1px solid var(--line); }
.book-evidence-content { margin-top: 0; padding-top: 24px; border-top: 0; }
.original-note-content { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.original-note-content .topic-map-lead { margin-bottom: 20px; }
.library-detail-actions { display: flex; gap: 10px; margin-top: 34px; }
.library-detail-actions button { flex: 1; min-height: 46px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.library-detail-actions .primary { color: white; background: var(--ink); }

.utility-intro { padding: 90px clamp(24px, 8vw, 132px) 72px; border-bottom: 1px solid var(--line); background: #e7e5d8; }
.utility-intro h1 { max-width: 900px; font-size: clamp(52px, 7vw, 98px); }
.utility-intro > p:last-child { max-width: 560px; margin: 25px 0 0; color: var(--muted); line-height: 1.8; }
.routine-index { padding: 20px clamp(24px, 8vw, 132px) 70px; background: var(--paper-light); }
.routine-row { display: grid; grid-template-columns: 100px minmax(180px,.7fr) minmax(250px,1.3fr) 36px; gap: 26px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.routine-row > span { color: var(--accent); font: 11px/1 var(--serif); }
.routine-row h2 { margin: 0; font: 500 clamp(23px,2.6vw,38px)/1.15 var(--serif); }
.routine-row p { margin: 0; color: #566760; font-size: 13px; line-height: 1.8; }
.routine-row button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; transition: .2s ease; }
.routine-row button:hover { color: white; border-color: var(--accent); background: var(--accent); transform: rotate(45deg); }
.routine-detail { grid-column: 2 / -1; display: none; grid-template-columns: 1.2fr .8fr; gap: 40px; padding: 4px 0 10px; }
.routine-row.is-open .routine-detail { display: grid; animation: detailIn .3s ease both; }
@keyframes detailIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.routine-detail strong { display: block; margin-bottom: 9px; color: var(--accent); font-size: 11px; }
.routine-caution { padding-left: 20px; border-left: 2px solid var(--accent-soft); }
.routine-oils { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.routine-oils button { width: auto; height: auto; padding: 6px 9px; border-radius: 99px; font-size: 10px; }
.routine-oils button:hover { transform: none; }
.formulator-section { padding: 66px clamp(24px, 8vw, 132px) 82px; background: #f1efe5; border-block: 1px solid var(--line); }
.formulator-lead { max-width: 760px; margin-bottom: 36px; }
.formulator-layout { display: grid; grid-template-columns: minmax(250px,.72fr) minmax(0,1.28fr); border-top: 1px solid var(--ink); }
.formulator-controls { display: grid; align-content: start; gap: 22px; padding: 30px 34px 0 0; border-right: 1px solid var(--line); }
.form-field { display: grid; gap: 8px; color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.form-field select, .formulator-oil-row select, .formulator-oil-row input { min-height: 42px; border: 1px solid var(--line); border-radius: 0; padding: 0 11px; color: var(--ink); background: var(--paper); font: inherit; letter-spacing: 0; }
.form-field select:focus, .formulator-oil-row select:focus, .formulator-oil-row input:focus { outline: 2px solid var(--accent-soft); outline-offset: 2px; }
.formulator-oils { display: grid; gap: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.formulator-oils::before { content: '精油比例（总和会分配到总滴数）'; color: var(--accent); font-size: 10px; letter-spacing: .08em; }
.formulator-oil-row { display: grid; grid-template-columns: minmax(0,1fr) 82px; gap: 12px; align-items: end; color: var(--muted); font-size: 10px; }
.formulator-oil-row > span { display: grid; gap: 7px; }
.formulator-oil-row input { width: 100%; text-align: center; }
.formulator-result { padding: 30px 0 0 34px; }
.formulator-result-head { display: flex; justify-content: space-between; align-items: start; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.formulator-result-head p, .formula-structure > span, .formula-result-lines small, .formula-steps h4, .formula-safety h4 { margin: 0 0 8px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.formulator-result-head h3 { margin: 0; font: 500 clamp(25px,3vw,42px)/1.15 var(--serif); }
.text-button { border: 0; border-bottom: 1px solid var(--ink); padding: 5px 0; color: var(--ink); background: transparent; font-size: 11px; cursor: pointer; }
.text-button:hover { color: var(--accent); border-color: var(--accent); }
.formula-structure { display: grid; gap: 5px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.formula-structure b { max-width: 680px; color: #566760; font-size: 13px; line-height: 1.8; font-weight: 400; }
.formula-result-lines { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.formula-result-lines > div { min-width: 0; }
.formula-result-lines strong { display: block; color: var(--ink); font: 500 29px/1.1 var(--serif); }
.formula-result-lines strong.formula-base { font-size: 18px; line-height: 1.35; }
.formula-result-lines p { margin: 10px 0 0; color: #566760; font-size: 12px; line-height: 1.7; }
.formula-steps { padding: 24px 0 8px; border-bottom: 1px solid var(--line); }
.formula-steps ol { margin: 0; padding: 0 0 0 20px; color: #566760; font-size: 12px; line-height: 1.85; }
.formula-steps li { padding-left: 5px; margin-bottom: 7px; }
.formula-safety { margin-top: 24px; padding: 18px 20px; border-left: 2px solid #b85c3b; background: #ebe0d4; }
.formula-safety h4 { color: #9b4e36; }
.formula-safety ul { margin: 0; padding-left: 18px; color: #6e4b40; font-size: 11px; line-height: 1.8; }
.book-recipes { margin-top: 58px; padding-top: 28px; border-top: 1px solid var(--ink); }
.book-recipes-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.book-recipes-head p { margin: 0 0 8px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.book-recipes-head h3 { margin: 0; font: 500 clamp(24px,3vw,38px)/1.2 var(--serif); }
.book-recipes-head > span { color: var(--muted); font-size: 10px; }
.book-recipe-filters { display: flex; gap: 18px; flex-wrap: wrap; margin: 24px 0 0; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.recipe-filter { border: 0; border-bottom: 1px solid transparent; padding: 7px 0; color: var(--muted); background: transparent; font-size: 11px; cursor: pointer; }
.recipe-filter.is-active { color: var(--ink); border-color: var(--ink); }
.book-recipe-list { border-top: 0; }
.book-recipe-row { display: grid; grid-template-columns: minmax(170px,.8fr) minmax(300px,1.2fr) minmax(230px,.9fr); gap: 28px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.book-recipe-title span { color: var(--accent); font-size: 9px; letter-spacing: .1em; }
.book-recipe-title h4 { margin: 8px 0 0; font: 500 21px/1.35 var(--serif); }
.book-recipe-main p, .book-recipe-main ul, .book-recipe-note p { margin: 0; color: #566760; font-size: 12px; line-height: 1.75; }
.book-recipe-main p b { display: block; margin-bottom: 5px; color: var(--ink); font-size: 10px; letter-spacing: .08em; }
.book-recipe-main ul { margin-top: 8px; padding-left: 17px; }
.book-recipe-main small { display: block; margin-top: 12px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.book-recipe-note { padding-left: 20px; border-left: 2px solid var(--accent-soft); }
.book-recipe-note .text-button { margin-top: 13px; }
.carrier-section { padding: 70px clamp(24px, 8vw, 132px) 110px; }
.section-note { max-width: 660px; margin: 22px 0 38px; color: var(--muted); line-height: 1.8; }
.carrier-row { display: grid; grid-template-columns: minmax(120px,.8fr) minmax(100px,.6fr) minmax(160px,1fr) minmax(260px,1.5fr); gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: center; }
.carrier-row[data-library-entry] { cursor: pointer; transition: padding .2s ease, background .2s ease; }
.carrier-row[data-library-entry]:hover { padding-inline: 10px; background: rgba(219,224,207,.35); }
.carrier-row b { font: 500 17px/1.3 var(--serif); }
.carrier-row small { display: block; margin-top: 4px; color: var(--muted); font: italic 10px/1.3 Georgia, serif; }
.carrier-row span, .carrier-row p { margin: 0; color: #566760; font-size: 12px; line-height: 1.65; }

.calculator-layout { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,.8fr); gap: 0; margin: 0 clamp(24px, 8vw, 132px); border-inline: 1px solid var(--line); }
.calculator { padding: 62px clamp(24px, 5vw, 70px); background: var(--paper-light); }
.calculator fieldset { margin: 0 0 48px; padding: 0; border: 0; }
.calculator legend { margin-bottom: 20px; font: 500 22px/1.2 var(--serif); }
.segmented { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); }
.segmented label { position: relative; }
.segmented label + label { border-left: 1px solid var(--line); }
.segmented input, .concentration-list input { position: absolute; opacity: 0; }
.segmented span { display: grid; place-items: center; min-height: 54px; font-size: 13px; cursor: pointer; }
.segmented input:checked + span { color: white; background: var(--ink); }
.concentration-list label { position: relative; display: block; border-bottom: 1px solid var(--line); cursor: pointer; }
.concentration-list span { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 20px; padding: 18px 12px; }
.concentration-list b { font: 500 22px/1 var(--serif); }
.concentration-list small { color: var(--muted); }
.concentration-list input:checked + span { padding-left: 20px; color: var(--accent); background: #efe6db; }
.calculator-result { display: flex; min-height: 500px; flex-direction: column; align-items: center; justify-content: center; padding: 60px 30px; background: var(--ink); color: white; text-align: center; }
.calculator-result > span { color: #c8d3cb; font-size: 11px; letter-spacing: .14em; }
.calculator-result strong { margin-top: 14px; color: #e7b197; font: 500 clamp(110px,15vw,190px)/.9 var(--serif); }
.calculator-result b { font: 500 20px/1 var(--serif); }
.calculator-result p { margin: 34px 0 9px; font-size: 13px; }
.calculator-result small { max-width: 260px; color: #aebeb5; font-size: 10px; line-height: 1.6; }
.calculator-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 55px clamp(24px, 8vw, 132px) 100px; }
.calculator-notes p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.calculator-notes b { color: var(--ink); }

.safety-intro { background: var(--ink); color: white; }
.safety-intro > p:last-child { color: #bcc9c2; }
.safety-rules { counter-reset: rules; display: grid; grid-template-columns: 1fr 1fr; padding: 50px clamp(24px, 8vw, 132px) 90px; background: var(--ink); color: white; }
.safety-rule { counter-increment: rules; display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 35px 40px 35px 0; border-top: 1px solid rgba(255,255,255,.2); }
.safety-rule:nth-child(even) { padding-left: 40px; border-left: 1px solid rgba(255,255,255,.2); }
.safety-rule::before { content: counter(rules, decimal-leading-zero); color: #d99a7d; font: 12px/1 var(--serif); }
.safety-rule h2 { margin: 0 0 10px; font: 500 23px/1.2 var(--serif); }
.safety-rule p { margin: 0; color: #b8c5be; font-size: 12px; line-height: 1.8; }
.red-flags { display: grid; grid-template-columns: 160px 1.2fr .8fr; gap: 55px; padding: 80px clamp(24px, 8vw, 132px); background: #b85c3b; color: white; }
.red-flags > p { margin: 6px 0; font-size: 11px; letter-spacing: .1em; }
.red-flags h2 { margin: 0; font: 500 clamp(28px,3.4vw,48px)/1.25 var(--serif); }
.red-flags div { border-left: 1px solid rgba(255,255,255,.4); padding-left: 34px; }
.red-flags div p { margin: 0; font-size: 13px; line-height: 1.9; }
.sources { padding: 75px clamp(24px, 8vw, 132px) 120px; }
.sources h2 { font: 500 30px/1.2 var(--serif); }
.sources > p { max-width: 780px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.source-links { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0; }
.source-links a { padding-bottom: 4px; border-bottom: 1px solid var(--ink); font-size: 12px; text-decoration: none; }
.sources > small { display: block; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); line-height: 1.7; }

.mobile-nav { display: none; }
.oil-dialog { width: min(760px, 100%); height: 100%; max-height: none; margin: 0 0 0 auto; padding: 0; border: 0; background: var(--paper-light); color: var(--ink); }
.oil-dialog::backdrop { background: rgba(12,31,26,.55); backdrop-filter: blur(4px); }
.oil-dialog[open] { animation: dialogIn .36s cubic-bezier(.2,.7,.2,1) both; }
@keyframes dialogIn { from { opacity: 0; transform: translateX(60px); } to { opacity: 1; transform: none; } }
.dialog-shell { min-height: 100%; padding: 30px clamp(24px, 6vw, 74px) 80px; }
.dialog-close { position: sticky; top: 20px; z-index: 2; float: right; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: rgba(250,248,241,.88); font-size: 26px; line-height: 1; cursor: pointer; backdrop-filter: blur(8px); }
.detail-category { display: inline-block; margin: 60px 0 18px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.detail-title { margin: 0; font: 500 clamp(48px,8vw,82px)/.95 var(--serif); letter-spacing: -.05em; }
.detail-latin { margin: 12px 0 26px; color: var(--muted); font: italic 14px/1.4 Georgia, serif; }
.detail-profile { margin: 0 0 32px; color: #4f625b; font: 500 17px/1.9 var(--serif); }
.detail-facts { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--line); }
.detail-facts div { padding: 18px 14px 18px 0; }
.detail-facts div + div { padding-left: 14px; border-left: 1px solid var(--line); }
.detail-facts small { display: block; margin-bottom: 6px; color: var(--muted); font-size: 9px; letter-spacing: .1em; }
.detail-facts b { font: 500 13px/1.4 var(--serif); }
.detail-block { padding: 32px 0; border-bottom: 1px solid var(--line); }
.detail-block h3 { margin: 0 0 17px; color: var(--accent); font-size: 10px; letter-spacing: .14em; }
.detail-block p, .detail-block li { color: #50625a; font-size: 13px; line-height: 1.85; }
.detail-block ul { margin: 0; padding-left: 19px; }
.detail-tag-list { display: flex; flex-wrap: wrap; gap: 7px; }
.detail-tag-list button, .detail-tag-list span { padding: 7px 10px; border: 0; border-radius: 99px; background: #e9e5d8; font-size: 11px; }
.detail-tag-list button { cursor: pointer; }
.detail-tag-list button:hover { color: white; background: var(--accent); }
.detail-warning { margin-top: 24px; padding: 22px; border-left: 3px solid var(--accent); background: #f0e3db; }
.detail-warning b { display: block; margin-bottom: 9px; font: 500 17px/1.2 var(--serif); }
.detail-warning p { margin: 0; color: #744635; font-size: 12px; line-height: 1.8; }
.oil-note-link button { padding: 8px 0 5px; border: 0; border-bottom: 1px solid var(--ink); background: transparent; font-size: 11px; cursor: pointer; }
.oil-note-link button:hover { color: var(--accent); border-color: var(--accent); }
.detail-actions { display: flex; gap: 10px; margin-top: 30px; }
.detail-actions button { flex: 1; min-height: 46px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.detail-actions .primary { color: white; background: var(--ink); }
.toast { position: fixed; z-index: 100; left: 50%; bottom: -70px; transform: translateX(-50%); padding: 11px 16px; border-radius: 99px; background: var(--ink-deep); color: white; font-size: 12px; opacity: 0; transition: .25s ease; }
.toast.is-visible { bottom: 28px; opacity: 1; }

@media (max-width: 960px) {
  .topbar { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .intro { grid-template-columns: 1fr .7fr; padding-inline: 44px; }
  .intro h1 { font-size: clamp(56px, 9vw, 84px); }
  .botanical { width: 300px; min-width: 250px; transform: translateX(40px); }
  .archive-intro { grid-template-columns: 1fr .7fr; padding-inline: 44px; }
  .archive-intro h1 { font-size: clamp(56px,9vw,84px); }
  .archive-botanical { width: 290px; min-width: 240px; transform: translateX(35px); }
  .archive-layout { grid-template-columns: 200px 1fr; }
  .archive-sections { padding-left: 24px; }
  .library-domain { grid-template-columns: 25px 1fr auto; padding-inline: 18px; }
  .library-domain b { font-size: 19px; }
  .library-domain small { display: none; }
  .search-zone { align-items: flex-start; flex-direction: column; gap: 12px; }
  .search-box-wrap, .search-box { width: 100%; max-width: none; }
  .library-layout { grid-template-columns: 200px 1fr; }
  .category-rail { padding-left: 24px; }
  .oil-row { grid-template-columns: 28px minmax(150px,.8fr) minmax(180px,1fr) 40px; }
  .oil-aroma { display: none; }
  .routine-row { grid-template-columns: 70px minmax(170px,.8fr) 1.2fr 36px; }
  .red-flags { grid-template-columns: 1fr 2fr; }
  .red-flags div { grid-column: 2; }
  .database-intro { grid-template-columns: 1fr; gap: 40px; }
  .library-workspace { grid-template-columns: 210px 1fr; }
  .library-filters { padding-left: 24px; }
  .library-row { grid-template-columns: 78px minmax(160px,.7fr) 1.2fr 38px; }
  .library-meta { display: none; }
}

@media (max-width: 680px) {
  :root { --header-h: 62px; }
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .topbar { height: var(--header-h); padding: 0 16px; }
  .brand-mark { width: 32px; height: 32px; font-size: 17px; }
  .brand b { font-size: 17px; }
  .brand small { display: none; }
  .install-button { padding: 7px 11px; font-size: 10px; }
  .intro {
    min-height: 440px; grid-template-columns: 1fr; padding: 42px 22px 38px;
    background: linear-gradient(152deg, #eee8d9 0 68%, #dbe0cf 68% 100%);
  }
  .eyebrow { margin-bottom: 15px; font-size: 9px; }
  .intro h1 { font-size: clamp(52px,18vw,76px); }
  .intro-copy > p:last-child { max-width: 310px; margin-top: 20px; font-size: 13px; line-height: 1.75; }
  .botanical { position: absolute; right: -85px; top: 90px; width: 260px; min-width: 0; opacity: .24; }
  .botanical span, .botanical small { display: none; }
  .archive-intro {
    min-height: 350px; grid-template-columns: 1fr; padding: 38px 20px 34px;
    background: linear-gradient(152deg,#eee8d9 0 69%,#dbe0cf 69% 100%);
  }
  .archive-intro h1 { font-size: clamp(50px,17vw,70px); }
  .archive-intro .intro-copy > p:last-child { max-width: 315px; margin-top: 20px; font-size: 13px; line-height: 1.75; }
  .archive-botanical { position: absolute; right: -78px; top: 84px; width: 250px; min-width: 0; opacity: .2; }
  .library-domain-nav { grid-template-columns: 1fr 1fr; }
  .library-domain { min-height: 88px; grid-template-columns: 24px 1fr auto; padding: 18px 15px; }
  .library-domain:nth-child(even) { border-right: 0; }
  .library-domain:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .library-domain:last-child { grid-column: auto; border-right: 0; }
  .library-domain b { font-size: 18px; }
  .library-domain em { font-size: 21px; }
  .archive-layout { display: block; }
  .archive-sections { display: flex; align-items: center; gap: 18px; padding: 10px 16px; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
  .archive-sections::-webkit-scrollbar { display: none; }
  .archive-sections > p, .archive-personal > p { display: none; }
  .archive-sections > .archive-section, #librarySectionFilters .archive-section, .archive-personal .archive-section { width: auto; flex: 0 0 auto; }
  #librarySectionFilters, .archive-personal { display: flex; flex: 0 0 auto; gap: 18px; }
  .archive-personal { margin: 0; padding: 0 0 0 18px; border-top: 0; border-left: 1px solid var(--line); }
  .archive-section { padding: 7px 0; }
  .archive-section em { display: none; }
  .search-zone { top: var(--header-h); padding: 14px 16px 12px; }
  .search-box input { font-size: 14px; }
  .search-box kbd { display: none; }
  .suggestions { width: 100%; }
  .suggestions button { padding: 7px 11px; }
  .library-layout { display: block; }
  .category-rail { padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
  .category-rail::-webkit-scrollbar { display: none; }
  .category-rail > p, .favorite-filter { display: none; }
  .category-rail > .category-button, #categoryButtons .category-button { display: inline-grid; width: auto; }
  #categoryButtons { display: inline-flex; width: max-content; }
  .category-button { grid-template-columns: auto auto; gap: 5px; margin-right: 18px; padding: 8px 0; border-bottom-width: 2px; }
  .category-button em { display: none; }
  .oil-library { padding: 30px 16px 54px; }
  .section-heading { align-items: start; }
  .section-heading h2 { font-size: 25px; }
  .oil-row { grid-template-columns: 24px 1fr 38px; gap: 12px; min-height: 92px; }
  .oil-aroma { display: none; }
  .oil-tags { grid-column: 2; margin-top: -20px; }
  .oil-tags span:nth-child(n+3) { display: none; }
  .favorite-button { grid-column: 3; grid-row: 1; }
  .oil-row-open { grid-column: 3; grid-row: 1; }
  .utility-intro { padding: 54px 20px 46px; }
  .utility-intro h1 { font-size: clamp(48px,15vw,66px); }
  .utility-intro > p:last-child { font-size: 13px; }
  .routine-index { padding: 5px 18px 50px; }
  .routine-row { grid-template-columns: 36px 1fr 36px; gap: 10px; padding: 24px 0; }
  .routine-row > p { grid-column: 2 / -1; }
  .routine-detail { grid-column: 2 / -1; grid-template-columns: 1fr; gap: 18px; }
  .routine-caution { padding-left: 14px; }
  .formulator-section { padding: 48px 18px 60px; }
  .formulator-layout { display: block; }
  .formulator-controls { padding: 24px 0 28px; border-right: 0; border-bottom: 1px solid var(--line); }
  .formulator-result { padding: 28px 0 0; }
  .formulator-result-head { gap: 14px; }
  .formulator-result-head h3 { font-size: 29px; }
  .formula-result-lines { grid-template-columns: 1fr; gap: 20px; }
  .book-recipes-head { display: block; }
  .book-recipes-head > span { display: block; margin-top: 10px; }
  .book-recipe-filters { gap: 12px; overflow-x: auto; flex-wrap: nowrap; }
  .book-recipe-row { grid-template-columns: 1fr; gap: 13px; padding: 20px 0; }
  .book-recipe-note { padding: 14px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .carrier-section { padding: 48px 18px 70px; }
  .carrier-row { grid-template-columns: 1fr 1fr; gap: 10px 16px; padding: 18px 0; }
  .carrier-row p { grid-column: 1 / -1; }
  .calculator-layout { display: block; margin: 0; border: 0; }
  .calculator { padding: 42px 18px; }
  .calculator fieldset { margin-bottom: 38px; }
  .segmented span { min-height: 48px; font-size: 12px; }
  .concentration-list span { grid-template-columns: 55px 1fr; }
  .calculator-result { min-height: 410px; }
  .calculator-result strong { font-size: 140px; }
  .calculator-notes { grid-template-columns: 1fr; gap: 22px; padding: 40px 20px 70px; }
  .safety-rules { grid-template-columns: 1fr; padding: 20px 20px 55px; }
  .safety-rule, .safety-rule:nth-child(even) { padding: 27px 0; border-left: 0; }
  .red-flags { display: block; padding: 55px 20px; }
  .red-flags h2 { margin: 18px 0 28px; }
  .red-flags div { padding: 24px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.4); }
  .sources { padding: 50px 20px 76px; }
  .source-links { flex-direction: column; align-items: flex-start; }
  .database-intro { min-height: 0; padding: 52px 20px 42px; }
  .database-intro h1 { font-size: 50px; }
  .database-intro > div > p:last-child { font-size: 12px; }
  .database-stats { gap: 0; }
  .database-stats div { padding-right: 8px; }
  .database-stats div + div { padding-left: 8px; }
  .database-stats dt { font-size: 27px; }
  .database-stats dd { font-size: 8px; }
  .library-search-zone { flex-direction: column; align-items: stretch; gap: 10px; padding: 13px 16px; }
  .search-status { margin-left: 29px; font-size: 9px; }
  .library-search-wrap { width: 100%; }
  .library-search { width: 100%; }
  .library-quick-search { width: 100%; }
  .library-workspace { display: block; }
  .library-filters { display: flex; gap: 24px; padding: 10px 16px; border-right: 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
  .library-filters::-webkit-scrollbar { display: none; }
  .filter-group { display: flex; flex: 0 0 auto; gap: 17px; margin: 0; }
  .filter-group > p, .section-filter-group, .filter-group:last-child { display: none; }
  #libraryTypeFilters { display: flex; gap: 17px; }
  .library-filter { width: auto; flex: 0 0 auto; padding: 7px 0; white-space: nowrap; }
  .library-filter em { display: none; }
  .library-results { padding: 28px 16px 60px; }
  .library-row { grid-template-columns: 68px 1fr 36px; gap: 10px; min-height: 106px; padding: 14px 0; }
  .library-row:hover { padding-inline: 0; }
  .library-title b { font-size: 18px; }
  .library-excerpt { grid-column: 2 / -1; font-size: 10px; margin-top: -8px; }
  .library-row .favorite-button { grid-column: 3; grid-row: 1; }
  .library-dialog { width: 100%; height: calc(100% - 30px); margin-top: 30px; border-radius: 18px 18px 0 0; }
  .library-dialog[open] { animation-name: dialogUp; }
  .library-dialog-shell { padding: 18px 18px 70px; }
  .library-detail-kicker { margin-top: 46px; }
  .library-detail-title { font-size: 44px; }
  .entry-quick-guide { margin-block: 28px 42px; }
  .entry-quick-guide > header { padding-block: 20px 15px; }
  .entry-facts, .carrier-facts { grid-template-columns: 1fr 1fr; }
  .entry-facts div:nth-child(3) { border-left: 0; }
  .entry-facts div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .carrier-facts div:last-child { grid-column: 1 / -1; }
  .entry-guide-grid { grid-template-columns: 1fr; }
  .entry-guide-grid section, .entry-guide-grid section:nth-child(even) { padding: 21px 0; border-left: 0; }
  .entry-note-grid { grid-template-columns: 1fr; }
  .entry-note-section, .entry-note-section:nth-child(even) { padding: 21px 0; border-left: 0; }
  .entry-source-grid { grid-template-columns: 1fr; }
  .essential-book-attribute-grid { grid-template-columns: 1fr; }
  .essential-book-attribute-grid section,
  .essential-book-attribute-grid section:nth-child(even) { padding: 18px 0; border-left: 0; }
  .essential-book-attributes > summary { display: block; }
  .essential-book-attributes > summary span { display: block; max-width: none; margin-top: 6px; text-align: left; }
  .entry-source-details > summary { display: block; }
  .entry-source-details > summary span { display: block; margin-top: 6px; }
  .entry-guide-warning { grid-template-columns: 1fr; gap: 8px; }
  .book-evidence-heading { display: block; }
  .book-evidence-heading > span { display: block; margin-top: 10px; text-align: left; }
  .book-evidence { grid-template-columns: 1fr; gap: 10px; padding: 18px 0; }
  .book-evidence > button { justify-self: start; }
  .topic-map-lead { display: block; }
  .topic-map-lead strong { display: block; margin-top: 14px; text-align: left; }
  .topic-passage { grid-template-columns: 1fr; gap: 7px; }
  .topic-passage-detail > summary { display: block; }
  .topic-passage-detail > summary small { display: block; margin-top: 5px; }
  .structured-groups { grid-template-columns: 1fr; }
  .book-evidence-details > summary, .original-note-details > summary { display: block; }
  .book-evidence-details > summary span, .original-note-details > summary span { display: block; margin-top: 6px; }
  .markdown-body { font-size: 13px; line-height: 1.85; }
  .markdown-body h2 { font-size: 25px; }
  .markdown-body h3 { font-size: 20px; }
  .library-detail-actions { flex-direction: column; }
  .mobile-nav {
    position: fixed; z-index: 45; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(5,1fr);
    min-height: calc(62px + env(safe-area-inset-bottom)); padding: 6px 4px env(safe-area-inset-bottom);
    border-top: 1px solid var(--line); background: rgba(250,248,241,.96); backdrop-filter: blur(18px);
  }
  .mobile-nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; border: 0; background: transparent; color: var(--muted); font-size: 9px; }
  .mobile-nav-item span { display: grid; place-items: center; width: 24px; height: 24px; font: 600 18px/1 var(--serif); }
  .mobile-nav-item.is-active { color: var(--accent); }
  .oil-dialog { width: 100%; height: calc(100% - 30px); margin-top: 30px; border-radius: 18px 18px 0 0; }
  .oil-dialog[open] { animation-name: dialogUp; }
  @keyframes dialogUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: none; } }
  .dialog-shell { padding: 20px 20px 70px; }
  .dialog-close { top: 12px; }
  .detail-category { margin-top: 45px; }
  .detail-title { font-size: 52px; }
  .detail-profile { font-size: 15px; }
  .toast.is-visible { bottom: calc(78px + env(safe-area-inset-bottom)); }
}

/* v154: 首页视觉整理与资料层级。保留原有资料库结构，把入口做成更安静的编辑型工作台。 */
:root {
  --paper: #f4f1ea;
  --paper-light: #fbfaf6;
  --ink: #20352e;
  --ink-deep: #13251f;
  --line: rgba(32, 53, 46, .14);
  --muted: #748078;
  --accent: #b56548;
  --accent-soft: #d8a18a;
}

body {
  background: var(--paper);
  background-image: radial-gradient(rgba(32,53,46,.035) .65px, transparent .65px);
  background-size: 5px 5px;
}

.topbar {
  height: 76px;
  padding-inline: clamp(22px, 5vw, 88px);
  border-bottom-color: rgba(255,255,255,.12);
  background: rgba(19,37,31,.96);
}
.brand-mark { width: 40px; height: 40px; border-color: rgba(255,255,255,.58); }
.brand b { font-size: 21px; }
.desktop-nav { gap: 4px; }
.nav-link { padding-inline: 18px; font-size: 12px; }
.nav-link::after { left: 18px; right: 18px; height: 3px; }

#library .library-command {
  min-height: min(390px, calc(100svh - 76px));
  grid-template-columns: minmax(280px, .78fr) minmax(420px, 1.22fr);
  padding: clamp(58px, 8vw, 112px) clamp(24px, 10vw, 160px) 60px;
  background:
    radial-gradient(circle at 87% 16%, rgba(211,163,135,.18), transparent 25%),
    linear-gradient(120deg, #122820 0%, #1d3b31 62%, #27473b 100%);
}
#library .library-command::before {
  content: "";
  position: absolute;
  right: -7vw;
  bottom: -14vw;
  width: 42vw;
  height: 42vw;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.025), 0 0 0 68px rgba(255,255,255,.02);
}
.library-command-title p { margin: 0 0 17px; color: #e2a58e; font-size: 11px; }
.library-command-title h1 { margin: 0; font-weight: 500; }
.library-command-title span { display: block; margin-top: 18px; font-size: 13px; }
.library-search-zone { padding-bottom: 3px; }
.library-search-zone .search-box { min-height: 70px; border-color: rgba(255,255,255,.42); border-radius: 2px; background: rgba(255,255,255,.1); box-shadow: 0 18px 44px rgba(0,0,0,.12); }
.library-search-zone .search-box:focus-within { border-color: #e2a58e; background: rgba(255,255,255,.14); }
.library-quick-search button { border-radius: 2px; }
.library-domain-nav { background: rgba(246,244,238,.94); }
.library-domain-group-label { padding-top: 18px; }
.library-domain { min-height: 116px; padding-block: 29px; transition: background .25s ease, transform .25s ease; }
.library-domain:hover { transform: translateY(-2px); }
.library-domain.is-active { background: rgba(181,101,72,.055); }
.archive-sections { background: rgba(242,241,234,.7); }
.library-results { background: rgba(251,250,246,.88); }
.library-row { min-height: 118px; }
.library-row:hover { padding-inline: 14px; box-shadow: inset 3px 0 var(--accent); }

@media (max-width: 680px) {
  .topbar { height: 62px; }
  #library .library-command { min-height: 0; padding: 42px 18px 30px; }
  #library .library-command::before { right: -30vw; bottom: -38vw; width: 76vw; height: 76vw; }
  .library-command-title h1 { font-size: 48px; }
  .library-command-title span { margin-top: 12px; font-size: 12px; }
  .library-search-zone .search-box { min-height: 58px; }
  .library-domain-group-label { padding-top: 13px; }
  #library .library-domain { min-height: 72px; padding-block: 14px; }
  #library .library-domain b { font-size: 17px; }
  #library .library-results { background: var(--paper-light); }
}

/* Final polish pass: this block intentionally comes last to win over legacy layers above. */
:root {
  --paper: #f2f1eb;
  --paper-light: #fbfaf6;
  --ink: #19342b;
  --ink-deep: #102a21;
  --line: rgba(25, 52, 43, .16);
  --muted: #718078;
  --accent: #bd725a;
  --accent-soft: #dca28d;
  --moss: #658574;
  --header-h: 74px;
}

body { background: var(--paper); background-image: none; overflow-x: hidden; }
.topbar {
  height: var(--header-h);
  padding-inline: clamp(18px, 5vw, 88px);
  border-bottom-color: rgba(255, 255, 255, .12);
  background: rgba(16, 42, 33, .97);
  box-shadow: 0 12px 28px rgba(16, 42, 33, .08);
}
.brand { gap: 12px; }
.brand-mark {
  width: 38px; height: 38px;
  border: 1px solid rgba(255, 255, 255, .48);
  border-radius: 11px;
  color: #fffaf2;
  background: var(--accent);
  box-shadow: 0 7px 18px rgba(0, 0, 0, .13);
  transform: rotate(-4deg);
}
.brand b { color: #fffaf2; font-size: 20px; }
.brand small { color: rgba(255, 250, 242, .60); }
.desktop-nav { gap: 2px; }
.nav-link { min-width: 92px; padding-inline: 16px; color: rgba(255, 250, 242, .64); font-size: 12px; }
.nav-link:hover, .nav-link.is-active { color: #fffaf2; }
.nav-link::after { left: 16px; right: 16px; bottom: 0; height: 3px; background: transparent; }
.nav-link.is-active::after { background: var(--accent-soft); }
.install-button { border-color: rgba(255, 250, 242, .42); border-radius: 8px; color: #fffaf2; background: rgba(255, 255, 255, .04); }
.install-button:hover { border-color: var(--accent-soft); background: rgba(255, 255, 255, .09); }

#library .library-command {
  position: relative;
  min-height: min(430px, calc(100svh - var(--header-h)));
  grid-template-columns: minmax(250px, .78fr) minmax(420px, 1.22fr);
  gap: clamp(44px, 8vw, 142px);
  padding: clamp(58px, 8vw, 108px) clamp(24px, 10vw, 160px) 64px;
  overflow: hidden;
  color: #fffaf2;
  background: var(--ink-deep);
}
#library .library-command::before {
  right: -10vw; bottom: -24vw; width: 50vw; height: 50vw;
  border-color: rgba(255, 250, 242, .14);
  box-shadow: 0 0 0 38px rgba(255, 250, 242, .035), 0 0 0 76px rgba(255, 250, 242, .025);
}
#library .library-command::after {
  content: "FIELD NOTES  /  152";
  position: absolute; right: clamp(24px, 10vw, 160px); top: 28px;
  color: rgba(255, 250, 242, .42);
  font: 600 9px/1 var(--sans);
  letter-spacing: .18em;
}
.library-command-title { position: relative; z-index: 1; }
.library-command-title p { margin: 0 0 20px; color: var(--accent-soft); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.library-command-title h1 { margin: 0; color: #fffaf2; font: 500 clamp(68px, 8.3vw, 124px)/.90 var(--serif); letter-spacing: -.07em; }
.library-command-title span { display: block; margin-top: 22px; color: rgba(255, 250, 242, .64); font-size: 13px; }

#library .library-search-zone {
  position: relative; top: auto; z-index: 1; display: block;
  padding: 0; border: 0; background: transparent; backdrop-filter: none;
}
#library .library-search-wrap { width: 100%; max-width: 760px; }
#library .library-search {
  min-height: 72px; padding: 0 18px;
  border: 1px solid rgba(255, 250, 242, .24); border-radius: 10px;
  color: #fffaf2; background: rgba(255, 255, 255, .075);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .17);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
#library .library-search:hover { background: rgba(255, 255, 255, .10); }
#library .library-search:focus-within { border-color: var(--accent-soft); background: rgba(255, 255, 255, .13); box-shadow: 0 0 0 4px rgba(220, 162, 141, .12), 0 20px 50px rgba(0, 0, 0, .19); transform: translateY(-1px); }
#library .library-search svg { stroke: #f8e9de; }
#library .library-search input { color: #fffaf2; font-size: 16px; }
#library .library-search input::placeholder { color: rgba(255, 250, 242, .56); }
#library .library-search kbd { border-color: rgba(255, 250, 242, .24); color: rgba(255, 250, 242, .63); background: rgba(255, 255, 255, .06); }
#library .library-search-zone .search-status { margin-left: 2px; color: rgba(255, 250, 242, .52); }
#library .library-quick-search { gap: 18px; margin-top: 16px; }
#library .library-quick-search button { color: rgba(255, 250, 242, .68); border-bottom-color: transparent; }
#library .library-quick-search button:hover { color: #fffaf2; border-bottom-color: var(--accent-soft); }

#library .library-domain-nav { background: #e9ebe3; }
#library .library-domain { min-height: 104px; padding-block: 24px; transition: background .2s ease, transform .2s ease; }
#library .library-domain:hover { background: #f1f1eb; transform: translateY(-1px); }
#library .library-domain.is-active { background: #faf8f2; }
#library .library-domain.is-active b { color: var(--accent); }
#library .library-domain::after { background: var(--accent); }
#library .library-domain-group-reference { background: #e4e7de; }
#library .library-reference-summary:hover { background: #eff0ea; }
#library .library-reference-summary::after { color: var(--accent); }
#library .archive-sections { background: #e9ebe3; }
#library .archive-section:hover, #library .archive-section.is-active { color: var(--accent); border-bottom-color: var(--ink); }
#library .library-results { background: var(--paper-light); }
#library .library-heading { border-bottom-color: var(--ink); }
#library .library-heading h2 { font-size: clamp(30px, 3.1vw, 42px); }
#library .library-row { min-height: 122px; border-bottom-color: rgba(25, 52, 43, .13); transition: padding .2s ease, background .2s ease, box-shadow .2s ease; }
#library .library-row:hover { background: #f0f2eb; box-shadow: inset 3px 0 var(--accent); }
#library .library-title b { font-size: 22px; }
#library .library-excerpt { color: #53675e; font-size: 12.5px; line-height: 1.78; }
#library .library-type { color: var(--accent); }
#library .favorite-button { color: #8b9991; }
#library .favorite-button:hover, #library .favorite-button.is-favorite { color: var(--accent); background: #f2e4dd; }

.view:not(#library) { background: var(--paper-light); }
.utility-intro { min-height: 218px; padding-block: 48px 40px; border-bottom-color: var(--line); background: #eeefe9; }
.utility-intro h1 { color: var(--ink); font-size: clamp(44px, 5.2vw, 72px); }
.utility-intro > p:last-child { max-width: 560px; color: #52665c; }
.safety-intro { color: #fffaf2; background: var(--ink-deep); }
.safety-intro h1 { color: #fffaf2; }
.safety-intro .eyebrow { color: var(--accent-soft); }
.safety-intro > p:last-child { color: rgba(255, 250, 242, .68); }
.usage-task-nav { background: #e9ebe3; border-bottom-color: var(--line); }
.usage-task-nav button { min-height: 68px; padding-inline: 22px; transition: background .2s ease, color .2s ease; }
.usage-task-nav button:hover { color: var(--accent); background: rgba(255, 255, 255, .46); }
.recipe-library { background: #faf8f2; }
.recipe-mode-switch { border-color: var(--ink); border-radius: 7px; overflow: hidden; }
.recipe-mode-switch button.is-active { background: var(--ink); }
.recipe-library .book-recipe-row { transition: background .2s ease, padding .2s ease; }
.recipe-library .book-recipe-row:hover { padding-inline: 12px; background: #f0f2eb; }
.formulator-section { background: #eeefe9; }
.formulator-result, .calculator { background: #faf8f2; }
.usage-router { background: #f3f1e9; }
.usage-step { transition: background .2s ease; }
.usage-step:hover { background: rgba(255, 255, 255, .35); }
.calculator-layout { border-color: var(--line); box-shadow: 0 18px 42px rgba(25, 52, 43, .06); }
.calculator-result, .safety-rules { background: var(--ink-deep); }
.calculator-result strong { color: var(--accent-soft); }
.red-flags { background: #a95943; }
.sources { background: #faf8f2; }

@media (max-width: 1100px) and (min-width: 681px) {
  #library .library-command { grid-template-columns: minmax(230px, .72fr) minmax(360px, 1.28fr); gap: 42px; padding-inline: 56px; }
  #library .library-domain { padding-inline: 14px; }
  #library .library-domain b { font-size: 15px; }
}

@media (max-width: 680px) {
  :root { --header-h: 64px; }
  .topbar { height: var(--header-h); padding-inline: 15px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; font-size: 17px; }
  .brand b { font-size: 18px; }
  .desktop-nav { display: none; }
  .mobile-nav { height: 68px; background: rgba(16, 42, 33, .97); border-top-color: rgba(255, 255, 255, .12); }
  .mobile-nav-item { color: rgba(255, 250, 242, .58); }
  .mobile-nav-item.is-active { color: #fffaf2; }
  .mobile-nav-item span { color: var(--accent-soft); }
  #library .library-command { display: block; min-height: 0; padding: 46px 18px 30px; }
  #library .library-command::after { display: none; }
  #library .library-command::before { right: -35vw; bottom: -42vw; width: 84vw; height: 84vw; }
  .library-command-title { display: block; }
  .library-command-title p { margin-bottom: 16px; font-size: 10px; }
  .library-command-title h1 { font-size: 60px; }
  .library-command-title span { margin-top: 15px; font-size: 12px; }
  #library .library-search-zone { margin-top: 30px; }
  #library .library-search { min-height: 60px; padding-inline: 15px 45px; border-radius: 9px; }
  #library .library-search input { font-size: 14px; }
  #library .library-quick-search { gap: 15px; margin-top: 13px; overflow-x: auto; }
  #library .library-quick-search button { flex: 0 0 auto; font-size: 10px; }
  #library .library-domain-nav { background: #e9ebe3; }
  #library .library-domain { flex-basis: 144px; min-height: 72px; padding: 14px 13px; }
  #library .library-domain b { font-size: 16px; }
  #library .library-domain em { font-size: 15px; }
  #library .archive-sections { background: rgba(234, 236, 229, .97); }
  #library .library-results { padding-top: 27px; }
  #library .library-heading h2 { font-size: 29px; }
  #library .library-row { padding-block: 19px; }
  #library .library-title b { font-size: 20px; }
  .utility-intro { padding: 37px 18px 29px; }
  .utility-intro h1 { font-size: 39px; }
  .usage-task-nav { background: #e9ebe3; }
  .recipe-library { padding-top: 44px; }
  .formulator-section, .routine-index, .carrier-section { background: #eeefe9; }
  .calculator-layout { box-shadow: none; }
}

/* 2026-09 premium archive direction: quiet editorial contrast, tighter hierarchy. */
:root {
  --paper: #f2f1eb;
  --paper-light: #fbfaf6;
  --ink: #19342b;
  --ink-deep: #102a21;
  --line: rgba(25, 52, 43, .16);
  --muted: #718078;
  --accent: #bd725a;
  --accent-soft: #dca28d;
  --moss: #658574;
  --header-h: 74px;
}

body {
  background: var(--paper);
  background-image: none;
}

.topbar {
  height: var(--header-h);
  padding-inline: clamp(18px, 5vw, 88px);
  border-bottom-color: rgba(255, 255, 255, .12);
  background: rgba(16, 42, 33, .97);
  box-shadow: 0 12px 28px rgba(16, 42, 33, .08);
}

.brand { gap: 12px; }
.brand-mark {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, .48);
  border-radius: 11px;
  color: #fffaf2;
  background: var(--accent);
  box-shadow: 0 7px 18px rgba(0, 0, 0, .13);
  transform: rotate(-4deg);
}
.brand b { color: #fffaf2; font-size: 20px; }
.brand small { color: rgba(255, 250, 242, .60); }
.desktop-nav { gap: 2px; }
.nav-link {
  min-width: 92px;
  padding-inline: 16px;
  color: rgba(255, 250, 242, .64);
  font-size: 12px;
}
.nav-link:hover, .nav-link.is-active { color: #fffaf2; }
.nav-link::after { left: 16px; right: 16px; bottom: 0; height: 3px; background: transparent; }
.nav-link.is-active::after { background: var(--accent-soft); }
.install-button {
  border-color: rgba(255, 250, 242, .42);
  color: #fffaf2;
  border-radius: 8px;
  background: rgba(255, 255, 255, .04);
}
.install-button:hover { border-color: var(--accent-soft); background: rgba(255, 255, 255, .09); }

#library .library-command {
  position: relative;
  min-height: min(430px, calc(100svh - var(--header-h)));
  grid-template-columns: minmax(250px, .78fr) minmax(420px, 1.22fr);
  gap: clamp(44px, 8vw, 142px);
  padding: clamp(58px, 8vw, 108px) clamp(24px, 10vw, 160px) 64px;
  overflow: hidden;
  color: #fffaf2;
  background: var(--ink-deep);
}
#library .library-command::before {
  content: "";
  position: absolute;
  right: -10vw;
  bottom: -24vw;
  width: 50vw;
  height: 50vw;
  border: 1px solid rgba(255, 250, 242, .14);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(255, 250, 242, .035), 0 0 0 76px rgba(255, 250, 242, .025);
  pointer-events: none;
}
#library .library-command::after {
  content: "FIELD NOTES  /  152";
  position: absolute;
  right: clamp(24px, 10vw, 160px);
  top: 28px;
  color: rgba(255, 250, 242, .42);
  font: 600 9px/1 var(--sans);
  letter-spacing: .18em;
}
.library-command-title { position: relative; z-index: 1; }
.library-command-title p { margin: 0 0 20px; color: var(--accent-soft); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.library-command-title h1 {
  margin: 0;
  color: #fffaf2;
  font: 500 clamp(68px, 8.3vw, 124px)/.90 var(--serif);
  letter-spacing: -.07em;
}
.library-command-title span { display: block; margin-top: 22px; color: rgba(255, 250, 242, .64); font-size: 13px; }

#library .library-search-zone {
  position: relative;
  top: auto;
  z-index: 1;
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
}
#library .library-search-wrap { max-width: 760px; }
#library .library-search {
  min-height: 72px;
  padding: 0 18px;
  border: 1px solid rgba(255, 250, 242, .24);
  border-radius: 10px;
  color: #fffaf2;
  background: rgba(255, 255, 255, .075);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .17);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
#library .library-search:hover { background: rgba(255, 255, 255, .10); }
#library .library-search:focus-within {
  border-color: var(--accent-soft);
  background: rgba(255, 255, 255, .13);
  box-shadow: 0 0 0 4px rgba(220, 162, 141, .12), 0 20px 50px rgba(0, 0, 0, .19);
  transform: translateY(-1px);
}
#library .library-search svg { stroke: #f8e9de; }
#library .library-search input { color: #fffaf2; font-size: 16px; }
#library .library-search input::placeholder { color: rgba(255, 250, 242, .56); }
#library .library-search kbd { border-color: rgba(255, 250, 242, .24); color: rgba(255, 250, 242, .63); background: rgba(255, 255, 255, .06); }
#library .library-search .search-clear { color: rgba(255, 250, 242, .66); }
#library .library-search-zone .search-status { margin-left: 2px; color: rgba(255, 250, 242, .52); }
#library .library-quick-search { gap: 18px; margin-top: 16px; }
#library .library-quick-search button { color: rgba(255, 250, 242, .68); border-bottom-color: transparent; }
#library .library-quick-search button:hover { color: #fffaf2; border-bottom-color: var(--accent-soft); }

#library .library-domain-nav { background: #e9ebe3; }
#library .library-domain {
  min-height: 104px;
  padding-block: 24px;
  transition: background .2s ease, transform .2s ease;
}
#library .library-domain:hover { background: #f1f1eb; transform: translateY(-1px); }
#library .library-domain.is-active { background: #faf8f2; }
#library .library-domain.is-active b { color: var(--accent); }
#library .library-domain::after { background: var(--accent); }
#library .library-domain-group-reference { background: #e4e7de; }
#library .library-reference-summary:hover { background: #eff0ea; }
#library .library-reference-summary::after { color: var(--accent); }

#library .archive-sections { background: #e9ebe3; }
#library .archive-section { min-height: 40px; }
#library .archive-section:hover, #library .archive-section.is-active { color: var(--accent); border-bottom-color: var(--ink); }
#library .library-results { background: var(--paper-light); }
#library .library-heading { border-bottom-color: var(--ink); }
#library .library-heading h2 { font-size: clamp(30px, 3.1vw, 42px); }
#library .library-row {
  min-height: 122px;
  border-bottom-color: rgba(25, 52, 43, .13);
  transition: padding .2s ease, background .2s ease, box-shadow .2s ease;
}
#library .library-row:hover { background: #f0f2eb; box-shadow: inset 3px 0 var(--accent); }
#library .library-title b { font-size: 22px; }
#library .library-excerpt { color: #53675e; font-size: 12.5px; line-height: 1.78; }
#library .library-type { color: var(--accent); }
#library .favorite-button { color: #8b9991; }
#library .favorite-button:hover, #library .favorite-button.is-favorite { color: var(--accent); background: #f2e4dd; }

.view:not(#library) { background: var(--paper-light); }
.utility-intro {
  min-height: 218px;
  padding-block: 48px 40px;
  border-bottom: 1px solid var(--line);
  background: #eeefe9;
}
.utility-intro h1 { color: var(--ink); font-size: clamp(44px, 5.2vw, 72px); }
.utility-intro > p:last-child { max-width: 560px; color: #52665c; }
.safety-intro { color: #fffaf2; background: var(--ink-deep); }
.safety-intro h1 { color: #fffaf2; }
.safety-intro .eyebrow { color: var(--accent-soft); }
.safety-intro > p:last-child { color: rgba(255, 250, 242, .68); }
.usage-task-nav { background: #e9ebe3; border-bottom-color: var(--line); }
.usage-task-nav button { min-height: 68px; padding-inline: 22px; transition: background .2s ease, color .2s ease; }
.usage-task-nav button:hover { color: var(--accent); background: rgba(255, 255, 255, .46); }
.recipe-library { background: #faf8f2; }
.recipe-library-heading h2 { color: var(--ink); }
.recipe-mode-switch { border-color: var(--ink); border-radius: 7px; overflow: hidden; }
.recipe-mode-switch button.is-active { background: var(--ink); }
.recipe-search input { background: transparent; }
.recipe-library .book-recipe-row { transition: background .2s ease, padding .2s ease; }
.recipe-library .book-recipe-row:hover { padding-inline: 12px; background: #f0f2eb; }
.formulator-section { background: #eeefe9; }
.formulator-result { background: #faf8f2; }
.usage-router { background: #f3f1e9; }
.usage-step { transition: background .2s ease; }
.usage-step:hover { background: rgba(255, 255, 255, .35); }
.calculator-layout { border-color: var(--line); box-shadow: 0 18px 42px rgba(25, 52, 43, .06); }
.calculator { background: #faf8f2; }
.calculator-result { background: var(--ink-deep); }
.calculator-result strong { color: var(--accent-soft); }
.safety-rules { background: var(--ink-deep); }
.red-flags { background: #a95943; }
.sources { background: #faf8f2; }
.mobile-nav { background: rgba(16, 42, 33, .97); border-top-color: rgba(255, 255, 255, .12); }
.mobile-nav-item { color: rgba(255, 250, 242, .58); }
.mobile-nav-item.is-active { color: #fffaf2; }
.mobile-nav-item span { color: var(--accent-soft); }

@media (max-width: 1100px) and (min-width: 681px) {
  #library .library-command { grid-template-columns: minmax(230px, .72fr) minmax(360px, 1.28fr); gap: 42px; padding-inline: 56px; }
  #library .library-domain { padding-inline: 14px; }
  #library .library-domain b { font-size: 15px; }
}

@media (max-width: 680px) {
  :root { --header-h: 64px; }
  .topbar { height: var(--header-h); padding-inline: 15px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; font-size: 17px; }
  .brand b { font-size: 18px; }
  .desktop-nav { display: none; }
  #library .library-command {
    display: block;
    min-height: 0;
    padding: 46px 18px 30px;
  }
  #library .library-command::after { display: none; }
  #library .library-command::before { right: -35vw; bottom: -42vw; width: 84vw; height: 84vw; }
  .library-command-title { display: block; }
  .library-command-title p { margin-bottom: 16px; font-size: 10px; }
  .library-command-title h1 { font-size: 60px; }
  .library-command-title span { margin-top: 15px; font-size: 12px; }
  #library .library-search-zone { margin-top: 30px; }
  #library .library-search { min-height: 60px; padding-inline: 15px 45px; border-radius: 9px; }
  #library .library-search input { font-size: 14px; }
  #library .library-quick-search { gap: 15px; margin-top: 13px; overflow-x: auto; }
  #library .library-quick-search button { flex: 0 0 auto; font-size: 10px; }
  #library .library-domain-nav { background: #e9ebe3; }
  #library .library-domain { flex-basis: 144px; min-height: 72px; padding: 14px 13px; }
  #library .library-domain b { font-size: 16px; }
  #library .library-domain em { font-size: 15px; }
  #library .archive-sections { background: rgba(234, 236, 229, .97); }
  #library .library-results { padding-top: 27px; }
  #library .library-heading h2 { font-size: 29px; }
  #library .library-row { padding-block: 19px; }
  #library .library-title b { font-size: 20px; }
  .utility-intro { padding: 37px 18px 29px; }
  .utility-intro h1 { font-size: 39px; }
  .usage-task-nav { background: #e9ebe3; }
  .recipe-library { padding-top: 44px; }
  .formulator-section, .routine-index, .carrier-section { background: #eeefe9; }
  .calculator-layout { box-shadow: none; }
  .mobile-nav { height: 68px; }
}

/* v154: editorial atelier direction - stronger first impression, calmer archive rhythm. */
:root {
  --ink: #1b2823;
  --ink-deep: #10201b;
  --paper: #edf0ea;
  --paper-light: #fbfcf8;
  --line: rgba(27, 40, 35, .14);
  --muted: #6c7770;
  --accent: #b35f43;
  --accent-soft: #dfb19d;
  --moss: #5f7b68;
}

body { background: var(--paper-light); }
.topbar {
  height: 72px;
  padding-inline: clamp(18px, 5vw, 82px);
  border-bottom-color: rgba(255,255,255,.14);
  background: var(--ink-deep);
  color: #f8f8f1;
  box-shadow: 0 10px 30px rgba(16,32,27,.12);
}
.brand { gap: 12px; }
.brand-mark { border-color: rgba(255,255,255,.7); color: #f8f8f1; background: rgba(255,255,255,.05); }
.brand b { color: #fff; }
.brand small { color: rgba(255,255,255,.58); }
.nav-link { color: rgba(255,255,255,.68); }
.nav-link:hover, .nav-link.is-active { color: #fff; }
.nav-link::after { background: var(--accent); }
.install-button { border-color: rgba(255,255,255,.55); color: #fff; }

#library .library-command {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(440px, 1.28fr);
  align-items: end;
  gap: clamp(28px, 7vw, 120px);
  min-height: 292px;
  padding: 58px clamp(24px, 8vw, 132px) 48px;
  overflow: hidden;
  color: #f7f8f1;
  background: var(--ink-deep);
}
#library .library-command::after {
  content: "芳香植物 · 使用方法 · 来源回查";
  position: absolute;
  right: clamp(24px, 8vw, 132px);
  bottom: 26px;
  color: rgba(255,255,255,.34);
  font: 10px/1 var(--serif);
  letter-spacing: .08em;
}
.library-command-title { position: relative; z-index: 1; }
.library-command-title p { color: #e1a28b; font-size: 10px; letter-spacing: .16em; }
.library-command-title h1 { color: #fff; font-size: clamp(48px, 6vw, 78px); letter-spacing: -.04em; }
.library-command-title span { color: rgba(255,255,255,.62); font-size: 12px; }
.library-search-zone { position: relative; z-index: 1; padding: 0 0 10px; border: 0; background: transparent; }
.library-search-zone .search-box { min-height: 64px; padding: 0 20px; border: 1px solid rgba(255,255,255,.34); background: rgba(255,255,255,.09); }
.library-search-zone .search-box svg { stroke: #f3b19a; }
.library-search-zone .search-box input { color: #fff; font-size: 16px; }
.library-search-zone .search-box input::placeholder { color: rgba(255,255,255,.6); }
.library-search-zone .search-box kbd { border-color: rgba(255,255,255,.25); color: rgba(255,255,255,.68); background: transparent; }
.library-quick-search { margin-top: 13px; }
.library-quick-search button { border-color: rgba(255,255,255,.25); color: rgba(255,255,255,.72); }
.library-quick-search button:hover { border-color: #e1a28b; color: #fff; background: rgba(179,95,67,.22); }
.library-workbench { background: var(--paper-light); }
.library-domain-nav { background: #f1f3ed; }
.library-domain { min-height: 104px; }
.library-domain b { font-size: 20px; }
.library-domain.is-active b { color: var(--accent); }
.archive-layout { background: var(--paper-light); }
.archive-sections { background: #f4f5f0; }
.library-results { padding-top: 52px; }
.section-heading { border-bottom-color: var(--ink); }
.library-row, .oil-row { min-height: 104px; }
.library-row:hover, .oil-row:hover { background: rgba(179,95,67,.055); }
.library-title b, .oil-name b { color: var(--ink-deep); }
.library-excerpt, .oil-aroma { color: #53655b; }
.library-row .favorite-button:hover, .library-row .favorite-button.is-favorite { color: var(--accent); background: #f2dfd6; }

@media (max-width: 920px) and (min-width: 681px) {
  #library .library-command { grid-template-columns: 1fr; gap: 25px; min-height: 330px; }
}

@media (max-width: 680px) {
  .topbar { height: 62px; padding-inline: 16px; }
  .brand-mark { width: 32px; height: 32px; font-size: 16px; }
  .brand b { font-size: 17px; }
  #library .library-command {
    display: block;
    min-height: 0;
    padding: 28px 16px 24px;
  }
  #library .library-command::after { position: static; display: block; margin-top: 21px; }
  .library-command-title { margin-bottom: 22px; }
  .library-command-title p, .library-command-title span { display: block; }
  .library-command-title p { margin-bottom: 8px; }
  .library-command-title h1 { font-size: 44px; }
  .library-search-zone { padding: 0; }
  .library-search-zone .search-box { min-height: 52px; padding-inline: 14px; }
  .library-search-zone .search-box input { font-size: 13px; }
  #library .library-quick-search { display: flex; }
  #library .library-domain { min-height: 62px; }
  #library .library-results { padding-top: 25px; }
}

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

/* 资料库入口分层：先找要查的资料，再决定是否回看书籍来源。 */
.library-domain-nav { display: block; background: var(--paper); }
.library-domain-group + .library-domain-group { border-top: 1px solid var(--line); }
.library-domain-group-label { margin: 0; padding: 13px clamp(18px, 3vw, 42px) 7px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.library-domain-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.library-domain { min-height: 104px; border-right: 1px solid var(--line); border-bottom: 0; }
.library-domain-grid .library-domain:last-child { border-right: 0; }
.library-domain-group-reference .library-domain { min-height: 88px; }
.library-domain-group-reference .library-domain b { font-size: 18px; }
.library-domain-group-reference .library-domain small { color: #7d8982; }

@media (max-width: 1050px) {
  .library-domain-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .library-domain-grid .library-domain:nth-child(3n) { border-right: 0; }
  .library-domain-grid .library-domain:nth-child(n+4) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .library-domain-group-label { padding: 11px 16px 6px; }
  .library-domain-grid { display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; }
  .library-domain-grid::-webkit-scrollbar { display: none; }
  .library-domain { flex: 0 0 164px; min-height: 82px; padding: 16px 15px; border-right: 1px solid var(--line) !important; border-top: 0 !important; }
  .library-domain b { font-size: 17px; }
  .library-domain small { display: block; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .library-domain-group-reference .library-domain { min-height: 72px; }
}

/* v103：资料库改成搜索优先，避免首页装饰、资料类型和来源导航同时抢首屏。 */
#library.view.is-active {
  display: flex;
  flex-direction: column;
}

#library .library-search-zone { order: 1; }
#library .archive-intro {
  order: 2;
  min-height: 286px;
  padding-block: 42px 46px;
}
#library .archive-intro h1 { font-size: clamp(48px, 5.7vw, 78px); }
#library .archive-intro .intro-copy > p:last-child { margin-top: 18px; font-size: 13px; line-height: 1.7; }
#library .archive-botanical { width: min(20vw, 240px); min-width: 180px; opacity: .46; }
#library .archive-botanical svg { width: auto; height: 210px; }
#library .library-domain-nav { order: 3; }
#library .archive-layout { order: 4; }
#library .library-domain-group-label { padding-top: 14px; padding-bottom: 6px; }
#library .library-domain { min-height: 88px; padding-block: 17px; }
#library .library-domain b { font-size: 19px; }
#library .library-domain-group-reference .library-domain { min-height: 74px; }
#library .library-domain-group-reference .library-domain b { font-size: 16px; }
#library .archive-layout { border-top: 1px solid var(--line); }

@media (max-width: 680px) {
  #library .archive-intro {
    min-height: 224px;
    padding: 30px 20px 28px;
  }
  #library .archive-intro h1 { font-size: clamp(44px, 14vw, 62px); }
  #library .archive-intro .intro-copy > p:last-child { max-width: 270px; margin-top: 14px; font-size: 12px; }
  #library .archive-botanical { right: -70px; top: 48px; width: 180px; min-width: 0; opacity: .15; }
  #library .archive-botanical svg { height: 165px; }
  #library .library-domain-group-label { padding-top: 10px; }
  #library .library-domain { min-height: 76px; }
  #library .library-domain-group-reference .library-domain { min-height: 66px; }
}

/* 使用入口：以“目的 → 方式 → 资料 → 配方”串起各个资料层。 */
.library-reference-summary {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 14px clamp(18px, 3vw, 42px); cursor: pointer; list-style: none;
  color: var(--ink); border-bottom: 1px solid transparent;
}
.library-reference-summary::-webkit-details-marker { display: none; }
.library-reference-summary span { font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.library-reference-summary small { color: var(--muted); font-size: 9px; }
.library-reference-summary::after { content: '＋'; color: var(--accent); }
.library-domain-group-reference[open] .library-reference-summary { border-bottom-color: var(--line); }
.library-domain-group-reference[open] .library-reference-summary::after { content: '－'; }

.source-record-warning { margin: 18px 0 4px; padding: 14px 16px; border-left: 2px solid #9a6b58; background: #f1e9df; color: #6c5a50; font-size: 10px; line-height: 1.75; }
.hydrosol-blend-list { margin: 0; padding: 6px 0 0; list-style: none; }
.hydrosol-blend-list li { display: grid; grid-template-columns: minmax(180px,.8fr) minmax(260px,1.2fr); gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.hydrosol-blend-list b { font: 500 13px/1.55 var(--serif); }
.hydrosol-blend-list span { color: #566860; font-size: 11px; line-height: 1.65; }

#library.is-searching .archive-intro,
#library.is-searching .library-domain-nav { display: none; }
#library.is-searching .archive-layout { border-top: 0; }

@media (max-width: 680px) {
  .library-reference-summary { padding: 12px 16px; }
  .library-reference-summary small { margin-left: auto; }
  .hydrosol-blend-list li { grid-template-columns: 1fr; gap: 5px; }
  #library.is-searching .archive-sections { position: sticky; top: calc(var(--header-h) + 105px); z-index: 20; background: rgba(250,248,241,.97); }
}

.usage-router { padding: 62px clamp(24px, 8vw, 132px) 76px; background: var(--paper-light); border-bottom: 1px solid var(--line); }
.usage-router-head { margin: 0; padding: 0 0 25px; border-bottom: 1px solid var(--ink); }
.usage-router-head h2 { font: 500 clamp(28px, 4vw, 48px)/1.15 var(--serif); }
.usage-router-head > span { color: var(--accent); font-size: 10px; letter-spacing: .08em; }
.usage-router-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 0 58px; border-bottom: 1px solid var(--line); }
.usage-step { display: grid; grid-template-columns: 42px 1fr; gap: 0 16px; padding: 28px 0 25px; }
.usage-step + .usage-step { border-left: 1px solid var(--line); padding-left: 42px; }
.usage-step-number { color: var(--accent); font: 500 16px/1 var(--serif); }
.usage-step h3 { margin: 0; font: 500 22px/1.25 var(--serif); }
.usage-step p { margin: 6px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.usage-choice-grid { grid-column: 2; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 7px; margin-top: 20px; }
.usage-choice { display: grid; gap: 5px; min-height: 61px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: transparent; text-align: left; cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.usage-choice b { font: 500 14px/1.2 var(--serif); }
.usage-choice small { color: var(--muted); font-size: 9px; line-height: 1.4; }
.usage-choice:hover, .usage-choice.is-active { color: white; border-color: var(--ink); background: var(--ink); }
.usage-choice:hover small, .usage-choice.is-active small { color: #c8d3cb; }
.usage-result { padding-top: 30px; }
.usage-result-main { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(190px,.65fr); gap: 48px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.usage-result-copy > p:first-child, .usage-result-action > span, .usage-result-copy .usage-routine-note > span { margin: 0 0 9px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .13em; }
.usage-result-copy h3 { margin: 0; font: 500 clamp(27px, 3.5vw, 48px)/1.12 var(--serif); }
.usage-result-copy > p:not(:first-child) { max-width: 680px; margin: 18px 0 0; color: #566760; font-size: 13px; line-height: 1.8; }
.usage-routine-note { max-width: 700px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.usage-routine-note p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.usage-result-action { display: grid; align-content: center; justify-items: start; gap: 13px; padding-left: 24px; border-left: 2px solid var(--accent-soft); }
.usage-primary-action { padding: 12px 16px; border: 1px solid var(--ink); color: white; background: var(--ink); font-size: 11px; cursor: pointer; }
.usage-primary-action:hover { background: var(--accent); border-color: var(--accent); }
.usage-action-note { color: var(--muted); font-size: 11px; line-height: 1.65; }
.usage-result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 58px; }
.usage-result-grid > section { padding-top: 25px; }
.usage-result-grid > section + section { padding-left: 42px; border-left: 1px solid var(--line); }
.usage-result-grid h4 { margin: 0 0 7px; color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.usage-section-note { margin: 0 0 14px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.usage-oil-links, .usage-reference-links { display: flex; flex-wrap: wrap; gap: 7px; }
.usage-oil-link, .usage-library-link { width: auto; padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; color: var(--ink); background: transparent; font-size: 10px; cursor: pointer; }
.usage-oil-link:hover, .usage-library-link:hover { color: white; border-color: var(--accent); background: var(--accent); }
.routine-index { padding-top: 42px; }
.routine-index-head { margin-bottom: 0; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.routine-index-head h2 { font: 500 clamp(25px, 3.4vw, 42px)/1.15 var(--serif); }
.routine-index-head > span { color: var(--muted); font-size: 10px; }

@media (max-width: 680px) {
  .usage-router { padding: 42px 18px 52px; }
  .usage-router-controls, .usage-result-grid { grid-template-columns: 1fr; }
  .usage-step { grid-template-columns: 30px 1fr; padding: 22px 0; }
  .usage-step + .usage-step { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .usage-choice-grid { grid-template-columns: 1fr 1fr; margin-top: 16px; }
  .usage-result-main { grid-template-columns: 1fr; gap: 22px; }
  .usage-result-action { padding: 18px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .usage-result-grid > section + section { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .routine-index { padding: 36px 18px 50px; }
  .routine-index-head { display: block; }
  .routine-index-head > span { display: block; margin-top: 9px; }
}

/* 使用页的任务入口与次级资料浏览：先做决定，完整清单按需展开。 */
.usage-task-nav { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding: 22px clamp(24px, 8vw, 132px); border-bottom: 1px solid var(--line); background: #f1efe5; }
.usage-task-nav > p { margin: 8px 0 0; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.usage-task-nav > div { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); }
.usage-task-nav button { display: grid; gap: 5px; min-height: 57px; padding: 4px 20px; border: 0; border-left: 1px solid var(--line); color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
.usage-task-nav button:hover { color: var(--accent); }
.usage-task-nav b { font: 500 15px/1.2 var(--serif); }
.usage-task-nav small { color: var(--muted); font-size: 9px; line-height: 1.4; }
.usage-secondary { margin-top: 58px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.usage-secondary.carrier-section { padding: 0 clamp(24px, 8vw, 132px) 30px; }
.usage-secondary-summary { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding: 27px 0 21px; list-style: none; cursor: pointer; }
.usage-secondary-summary::-webkit-details-marker { display: none; }
.usage-secondary-summary::after { content: '＋'; color: var(--accent); font-size: 17px; }
.usage-secondary[open] > .usage-secondary-summary::after { content: '×'; }
.usage-secondary-summary p { margin: 0 0 7px; color: var(--accent); font-size: 9px; letter-spacing: .13em; }
.usage-secondary-summary h2, .usage-secondary-summary h3 { margin: 0; font: 500 clamp(23px, 3vw, 36px)/1.15 var(--serif); }
.usage-secondary-summary > span { color: var(--muted); font-size: 10px; }
.usage-secondary-body { padding: 0 0 30px; }
.usage-secondary-body .section-note { margin-top: 0; }
.usage-secondary-body .book-recipe-filters { margin-top: 18px; }
.usage-secondary-body .carrier-table { margin-top: 6px; }

@media (max-width: 680px) {
  .usage-task-nav { display: block; padding: 18px; }
  .usage-task-nav > p { margin: 0 0 13px; }
  .usage-task-nav > div { grid-template-columns: 1fr 1fr; gap: 0; }
  .usage-task-nav button { min-height: 62px; padding: 10px 12px; border-top: 1px solid var(--line); }
  .usage-task-nav button:nth-child(odd) { border-left: 0; }
  .usage-secondary { margin-top: 42px; }
  .usage-secondary.carrier-section { padding: 0 18px 24px; }
  .usage-secondary-summary { align-items: start; padding-block: 20px; }
  .usage-secondary-summary > span { max-width: 110px; line-height: 1.5; text-align: right; }
}

/* v106: 资料库采用稳定的工作台结构，去掉首页式大幅介绍。 */
#library.view.is-active { display: block; }

.library-command {
  position: relative;
  z-index: 34;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  gap: 34px;
  min-height: 108px;
  padding: 16px clamp(24px, 3vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 252, 250, .96);
  backdrop-filter: blur(18px);
}
.library-command-title p { margin: 0 0 4px; color: var(--accent); font-size: 10px; font-weight: 700; }
.library-command-title h1 { margin: 0; font: 500 30px/1.05 var(--serif); }
.library-command-title span { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
#library .library-search-zone {
  position: static;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  align-items: start;
  gap: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
}
#library .library-search-wrap { max-width: none; }
#library .library-search {
  min-height: 42px;
  padding: 0 68px 0 14px;
  border: 1px solid rgba(29, 44, 39, .28);
  border-radius: 5px;
  background: white;
  transition: border-color .18s ease, box-shadow .18s ease;
}
#library .library-search:focus-within { border-color: var(--moss); box-shadow: 0 0 0 3px rgba(85, 117, 101, .11); }
#library .library-search input { font-size: 14px; }
#library .search-clear { top: 7px; right: 36px; }
#library .search-status { margin: 6px 0 0; }
#library .library-quick-search { align-self: center; }
#library .library-quick-search button { padding: 7px 10px; border-radius: 4px; background: white; }

.library-workbench {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  align-items: start;
  min-height: calc(100svh - var(--header-h) - 108px);
  background: var(--paper-light);
}
#library .library-domain-nav {
  position: sticky;
  top: var(--header-h);
  max-height: calc(100svh - var(--header-h));
  overflow-y: auto;
  border-right: 1px solid var(--line);
  border-bottom: 0;
  background: var(--paper);
}
#library .library-domain-group + .library-domain-group { border-top: 1px solid var(--line); }
#library .library-domain-group-label { padding: 22px 22px 9px; font-size: 10px; }
#library .library-domain-grid { display: block; }
#library .library-domain {
  width: 100%;
  min-height: 66px;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 3px 9px;
  padding: 13px 18px 13px 22px;
  border-top: 0;
  border-right: 0 !important;
  border-bottom: 1px solid var(--line);
}
#library .library-domain > span { padding-top: 3px; font-size: 9px; }
#library .library-domain b { font: 500 16px/1.25 var(--serif); }
#library .library-domain small { overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
#library .library-domain em { font: 500 15px/1 var(--serif); }
#library .library-domain::after {
  inset: 10px auto 10px 0;
  width: 3px;
  height: auto;
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .18s ease;
}
#library .library-domain.is-active { background: rgba(85, 117, 101, .08); }
#library .library-domain.is-active::after { right: auto; transform: scaleY(1); }
#library .library-domain.is-active b { color: var(--ink); }
#library .library-domain:hover { background: rgba(85, 117, 101, .06); }
#library .library-reference-summary { padding: 18px 22px; }
#library .library-reference-summary span { font-size: 10px; }
#library .library-reference-summary small { display: none; }
#library .library-domain-group-reference .library-domain { min-height: 58px; }
#library .library-domain-group-reference .library-domain b { font-size: 14px; }

#library .archive-layout {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr);
  min-width: 0;
  min-height: calc(100svh - var(--header-h) - 108px);
  border-top: 0;
}
#library .archive-sections {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  max-height: calc(100svh - var(--header-h));
  overflow-y: auto;
  padding: 30px 22px 56px;
  background: #f6f7f4;
}
#library .archive-section { padding: 10px 0; font-size: 11px; }
#library .archive-personal { margin-top: 28px; padding-top: 19px; }
#library .library-results { padding: 30px clamp(26px, 4vw, 58px) 90px; background: var(--paper-light); }
#library .library-heading { padding-bottom: 18px; }
#library .library-heading h2 { font-size: 32px; }
.library-context {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(360px, 1.25fr);
  gap: 30px;
  margin: 2px 0 24px;
  padding: 18px 20px;
  border: 1px solid rgba(85, 117, 101, .24);
  background: rgba(85, 117, 101, .055);
}
.library-context[hidden] { display: none; }
.library-context-copy small { display: block; margin-bottom: 5px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.library-context-copy b { font: 500 18px/1.35 var(--serif); }
.library-context-copy p { margin: 7px 0 0; color: #5b6a63; font-size: 10px; line-height: 1.65; }
.library-context-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; }
.library-context-stats div { min-width: 0; padding: 5px 13px; border-left: 1px solid var(--line); }
.library-context-stats dt { color: var(--muted); font-size: 8px; white-space: nowrap; }
.library-context-stats dd { margin: 6px 0 0; font: 500 22px/1 var(--serif); }
#library .library-row {
  grid-template-columns: 78px minmax(150px, .62fr) minmax(250px, 1.38fr) 66px 36px;
  gap: 18px;
  min-height: 102px;
  transition: background .18s ease, box-shadow .18s ease;
}
#library .library-row:hover { padding-inline: 0; background: rgba(85, 117, 101, .055); box-shadow: inset 3px 0 var(--moss); }
#library .library-title b { font-size: 19px; }
#library .library-excerpt { color: #53615b; font-size: 11px; line-height: 1.65; }

#library.is-searching .library-domain-nav { display: block; }
#library.is-searching .archive-layout { grid-template-columns: minmax(0, 1fr); }
#library.is-searching .archive-sections { display: none; }

.library-dialog { width: min(720px, 58vw); border-left: 1px solid var(--line); box-shadow: -24px 0 70px rgba(18, 32, 28, .16); }
.library-dialog::backdrop { background: rgba(18, 32, 28, .18); backdrop-filter: blur(1px); }
.library-dialog-shell { padding-inline: clamp(34px, 5vw, 68px); }
.library-detail-title { font-size: 56px; }
.dialog-close { background: rgba(251, 252, 250, .94); }

.utility-intro {
  display: grid;
  grid-template-columns: minmax(220px, .62fr) minmax(320px, 1.38fr);
  align-items: end;
  gap: 48px;
  min-height: 196px;
  padding: 38px clamp(24px, 6vw, 92px) 34px;
  background: #f4f6f3;
}
.utility-intro .eyebrow { grid-column: 1; margin: 0 0 10px; }
.utility-intro h1 { grid-column: 1; margin: 0; font-size: 46px; }
.utility-intro > p:last-child { grid-column: 2; margin: 0 0 4px; font-size: 13px; line-height: 1.75; }
.safety-intro { background: var(--ink); }
.usage-task-nav { background: #f7f8f6; }
.formulator-section { background: #f4f6f3; }

@media (max-width: 1050px) and (min-width: 681px) {
  .library-workbench { grid-template-columns: 190px minmax(0, 1fr); }
  #library .archive-layout { grid-template-columns: 164px minmax(0, 1fr); }
  #library .library-row { grid-template-columns: 66px minmax(150px, .7fr) minmax(200px, 1.3fr) 36px; }
  #library .library-meta { display: none; }
}

@media (max-width: 680px) {
  :root { --header-h: 62px; }
  .mobile-nav { grid-template-columns: repeat(4, 1fr); background: rgba(251, 252, 250, .97); }
  .library-command {
    position: static;
    display: block;
    min-height: 0;
    padding: 14px 16px 12px;
  }
  .library-command-title { display: flex; align-items: baseline; gap: 10px; margin-bottom: 11px; }
  .library-command-title p, .library-command-title span { display: none; }
  .library-command-title h1 { font-size: 22px; }
  #library .library-search-zone { display: block; }
  #library .library-search { min-height: 42px; }
  #library .library-search input { font-size: 13px; }
  #library .library-search kbd { display: none; }
  #library .search-clear { right: 8px; }
  #library .search-status { min-height: 12px; margin-top: 5px; overflow: hidden; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
  #library .library-quick-search { display: none; }
  .library-workbench { display: block; min-height: 0; }
  #library .library-domain-nav { position: static; max-height: none; overflow: visible; border-right: 0; border-bottom: 1px solid var(--line); }
  #library .library-domain-group-label { padding: 9px 16px 6px; }
  #library .library-domain-grid { display: flex; overflow-x: auto; scrollbar-width: none; }
  #library .library-domain-grid::-webkit-scrollbar { display: none; }
  #library .library-domain {
    flex: 0 0 132px;
    min-height: 62px;
    padding: 10px 12px;
    border-right: 1px solid var(--line) !important;
    border-bottom: 0;
  }
  #library .library-domain b { font-size: 15px; }
  #library .library-domain small { display: none; }
  #library .library-domain em { font-size: 14px; }
  #library .library-domain::after { inset: auto 10px 0; width: auto; height: 2px; transform: scaleX(0); }
  #library .library-domain.is-active::after { transform: scaleX(1); }
  #library .library-reference-summary { padding: 10px 16px; }
  #library .library-domain-group-reference .library-domain { min-height: 54px; }
  #library .archive-layout, #library.is-searching .archive-layout { display: block; min-height: 0; }
  #library .archive-sections {
    position: sticky;
    top: var(--header-h);
    z-index: 22;
    display: flex;
    max-height: none;
    gap: 18px;
    padding: 10px 16px;
    overflow-x: auto;
    border-right: 0;
    background: rgba(246, 247, 244, .97);
    backdrop-filter: blur(12px);
  }
  #library .archive-personal { margin: 0; padding: 0; border-top: 0; }
  #library.is-searching .archive-sections { display: none; }
  #library .library-results { padding: 22px 16px 54px; }
  #library .library-heading { align-items: end; padding-bottom: 15px; }
  #library .library-heading h2 { font-size: 27px; }
  .library-context { display: block; margin: 0 0 18px; padding: 15px 16px; }
  .library-context-copy p { font-size: 10px; }
  .library-context-stats { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
  .library-context-stats div { padding: 2px 8px; }
  .library-context-stats div:first-child { padding-left: 0; border-left: 0; }
  .library-context-stats dt { font-size: 7px; }
  .library-context-stats dd { font-size: 18px; }
  .library-context.is-essential-context { display: block; margin: 4px 0 22px; padding: 16px 0 0; }
  .is-essential-context .library-context-copy { display: block; padding: 0 0 15px; }
  .is-essential-context .library-context-copy b { display: block; font-size: 21px; }
  .is-essential-context .library-context-copy p { margin-top: 8px; font-size: 10.5px; line-height: 1.7; }
  .is-essential-context .library-context-stats { grid-template-columns: repeat(4, minmax(72px, 1fr)); gap: 0; margin-top: 14px; padding-top: 12px; overflow-x: auto; }
  .is-essential-context .library-context-stats div { padding-inline: 8px; }
  .is-essential-context .library-context-stats div:first-child { padding-left: 0; }
  #library .library-row {
    grid-template-columns: minmax(0, 1fr) 38px;
    gap: 5px 12px;
    min-height: 0;
    padding: 16px 0;
  }
  #library .library-row:hover { box-shadow: none; }
  #library .library-type { grid-column: 1; grid-row: 1; font-size: 9px; }
  #library .library-title { grid-column: 1; grid-row: 2; }
  #library .library-title b { font-size: 19px; }
  #library .library-excerpt {
    grid-column: 1;
    grid-row: 3;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  #library .library-meta { display: none; }
  #library .library-row .favorite-button { grid-column: 2; grid-row: 1 / 4; align-self: center; }
  .library-dialog { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; border: 0; border-radius: 0; }
  .library-dialog-shell { padding: 14px 18px 76px; }
  .library-detail-title { font-size: 42px; }
  .utility-intro {
    display: block;
    min-height: 0;
    padding: 28px 18px 24px;
  }
  .utility-intro .eyebrow { margin-bottom: 9px; }
  .utility-intro h1 { font-size: 36px; }
  .utility-intro > p:last-child { margin-top: 12px; font-size: 12px; line-height: 1.7; }
}

/* v114: quiet archive workbench, clearer browsing hierarchy and detail feedback. */
:root {
  --ink: #20302a;
  --ink-deep: #182721;
  --paper: #f2f3ef;
  --paper-light: #fcfcfa;
  --line: rgba(32, 48, 42, .13);
  --muted: #68746f;
  --accent: #a14e36;
  --accent-soft: #d7a18a;
  --moss: #52705f;
  --header-h: 66px;
}

body * { letter-spacing: 0 !important; }
body { background: var(--paper-light); }
button, [tabindex="0"] { touch-action: manipulation; }
button:focus-visible, [tabindex="0"]:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.topbar {
  height: var(--header-h);
  padding-inline: clamp(20px, 3.5vw, 52px);
  background: rgba(252, 252, 250, .94);
  box-shadow: 0 1px 0 rgba(32, 48, 42, .04);
}
.brand-mark { width: 36px; height: 36px; border-color: rgba(32, 48, 42, .55); font-size: 18px; }
.brand b { font-size: 19px; }
.brand small { margin-top: 3px; font-size: 10px; }
.nav-link { min-width: 92px; padding-inline: 18px; font-size: 13px; }
.nav-link::after { left: 18px; right: 18px; height: 2px; }
.nav-link:hover { color: var(--accent); }

.library-command {
  min-height: 112px;
  grid-template-columns: minmax(180px, 230px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 62px);
  padding: 18px clamp(24px, 4vw, 58px) 16px;
  background: #f7f8f5;
}
.library-command-title p { margin-bottom: 6px; font-size: 11px; }
.library-command-title h1 { font-size: 34px; }
.library-command-title span { margin-top: 6px; font-size: 12px; }
#library .library-search-zone {
  grid-template-columns: minmax(320px, 1fr);
  gap: 8px;
}
#library .library-search {
  min-height: 50px;
  padding-inline: 16px 72px;
  border-color: rgba(32, 48, 42, .22);
  border-radius: 6px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 8px 24px rgba(24, 39, 33, .035);
}
#library .library-search:focus-within {
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(82, 112, 95, .10), 0 10px 30px rgba(24, 39, 33, .05);
}
#library .library-search input { font-size: 15px; }
#library .search-clear { top: 11px; right: 38px; }
#library .search-status { min-height: 16px; margin: 7px 0 0 2px; font-size: 11px; }
#library .library-quick-search { align-self: start; gap: 15px; min-height: 24px; }
#library .library-quick-search button {
  padding: 3px 0 4px;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
}
#library .library-quick-search button:hover { color: var(--accent); border-bottom-color: var(--accent); }

.library-detail-loading { padding-top: 42px; }
.library-detail-loading .library-detail-kicker { margin-top: 42px; }
.library-detail-loading > p { max-width: 480px; margin: 22px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.detail-loading-line { height: 2px; margin-top: 34px; overflow: hidden; background: rgba(32, 48, 42, .10); }
.detail-loading-line span { display: block; width: 38%; height: 100%; background: var(--accent); animation: detailLoading 1.25s ease-in-out infinite; }
@keyframes detailLoading { from { transform: translateX(-110%); } to { transform: translateX(360%); } }

@media (min-width: 681px) {
  .library-workbench {
    display: block;
    min-height: calc(100svh - var(--header-h) - 112px);
  }
  #library .library-domain-nav {
    position: relative;
    top: auto;
    z-index: 36;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px;
    max-height: none;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: #eef0eb;
  }
  #library .library-domain-group + .library-domain-group { border-top: 0; }
  #library .library-domain-group-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  #library .library-domain-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
  #library .library-domain {
    width: auto;
    min-height: 88px;
    grid-template-columns: 20px minmax(0, 1fr) auto;
    gap: 4px 8px;
    padding: 15px clamp(12px, 1.5vw, 22px);
    border-right: 1px solid var(--line) !important;
    border-bottom: 0;
    background: transparent;
  }
  #library .library-domain > span { padding-top: 4px; font-size: 10px; }
  #library .library-domain b { font-size: 17px; }
  #library .library-domain small { font-size: 10px; }
  #library .library-domain small {
    display: -webkit-box;
    overflow: hidden;
    white-space: normal;
    line-height: 1.4;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  #library .library-domain em { align-self: start; padding-top: 3px; font-size: 16px; }
  #library .library-domain::after {
    inset: auto 14px -1px;
    width: auto;
    height: 3px;
    transform: scaleX(0);
    transform-origin: center;
  }
  #library .library-domain.is-active { background: rgba(255, 255, 255, .70); }
  #library .library-domain.is-active::after { right: 14px; transform: scaleX(1); }
  #library .library-domain:hover { background: rgba(255, 255, 255, .55); }
  #library .library-domain-group-reference { position: relative; border-left: 1px solid var(--line); }
  #library .library-reference-summary {
    display: flex;
    min-height: 88px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 15px 22px;
    list-style: none;
    cursor: pointer;
  }
  #library .library-reference-summary::-webkit-details-marker { display: none; }
  #library .library-reference-summary span { font: 500 16px/1.25 var(--serif); }
  #library .library-reference-summary small { display: block; color: var(--muted); font-size: 10px; }
  #library .library-reference-summary::after { content: '＋'; position: absolute; right: 18px; top: 33px; color: var(--accent); }
  #library .library-domain-group-reference[open] .library-reference-summary::after { content: '－'; }
  #library .library-domain-group-reference:has(.library-domain.is-active) .library-reference-summary {
    color: var(--accent);
    background: rgba(255, 255, 255, .58);
  }
  #library .library-domain-group-reference .library-domain-grid {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    z-index: 48;
    width: min(620px, 66vw);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-top: 0;
    background: rgba(252, 252, 250, .98);
    box-shadow: 0 24px 52px rgba(24, 39, 33, .13);
    backdrop-filter: blur(18px);
  }
  #library .library-domain-group-reference:not([open]) .library-domain-grid { display: none; }
  #library .library-domain-group-reference .library-domain { min-height: 82px; }
  #library .library-domain-group-reference .library-domain b { font-size: 16px; }

  #library .archive-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    min-height: calc(100svh - var(--header-h) - 200px);
  }
  #library .archive-sections {
    top: var(--header-h);
    padding: 34px 26px 58px;
    background: #f4f5f1;
  }
  #library .archive-sections > p, #library .archive-personal > p { margin-bottom: 16px; font-size: 10px; }
  #library .archive-section { min-height: 38px; padding: 9px 0; font-size: 12px; }
  #library .archive-section em { font-size: 10px; }
  #library .library-results { padding: 36px clamp(34px, 5vw, 72px) 100px; }
  #library .library-heading { padding-bottom: 20px; }
  #library .library-heading h2 { font-size: 34px; }
  #library .library-row {
    grid-template-columns: 94px minmax(190px, .70fr) minmax(300px, 1.3fr) 92px 42px;
    gap: 20px;
    min-height: 116px;
    padding-inline: 12px;
    margin-inline: -12px;
    border-radius: 4px;
  }
  #library .library-row:hover {
    padding-inline: 12px;
    background: #f2f4ef;
    box-shadow: inset 3px 0 var(--moss);
  }
  #library .library-type { font-size: 10px; line-height: 1.45; }
  #library .library-title b { font-size: 21px; }
  #library .library-title small { margin-top: 7px; font-size: 10px; line-height: 1.5; }
  #library .library-excerpt { color: #53615b; font-size: 13px; line-height: 1.7; }
  #library .library-meta { font-size: 10px; line-height: 1.6; }
  #library.is-searching .library-domain-nav { display: none; }
  #library.is-searching .archive-layout { grid-template-columns: minmax(0, 1fr); }

  .library-dialog { width: min(780px, 64vw); }
  .library-dialog-shell { padding: 24px clamp(42px, 5vw, 70px) 90px; }
  .library-dialog .dialog-close {
    top: 18px;
    display: inline-flex;
    width: auto;
    min-width: 84px;
    height: 40px;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border-radius: 4px;
    font: 500 17px/1 var(--sans);
  }
  .library-dialog .dialog-close::after { content: '返回'; font-size: 11px; }
  .library-detail-kicker { margin-top: 50px; font-size: 11px; }
  .library-detail-title { font-size: 48px; line-height: 1.08; }
  .library-detail-summary { margin-top: 20px; font-size: 11px; line-height: 1.6; }
}

.library-dialog { background: #fdfdfb; box-shadow: -28px 0 80px rgba(24, 39, 33, .18); }
.library-dialog::backdrop { background: rgba(24, 39, 33, .30); backdrop-filter: blur(3px); }
.personal-note-banner { margin-bottom: 18px; padding: 15px 18px; background: #f2ece5; font-size: 12px; line-height: 1.75; }
.library-detail-actions { gap: 8px; margin: 0 0 38px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.library-detail-actions button { min-height: 44px; border-color: rgba(32, 48, 42, .28); font-size: 12px; }
.library-detail-actions button:hover { border-color: var(--ink); background: #eef0eb; }
.library-detail-actions .primary:hover { color: white; background: var(--accent); border-color: var(--accent); }
.entry-quick-guide { margin-top: 30px; }
.entry-quick-guide > header p, .entry-guide-grid h4, .entry-note-section h4 { font-size: 10px; }
.entry-facts small { font-size: 10px; }
.entry-facts b { font-size: 13px; }
.entry-guide-grid p, .entry-guide-grid li, .entry-note-content { font-size: 13px; }

.load-more { min-height: 46px; border-color: rgba(32, 48, 42, .35); font-size: 12px; }
.empty-state button { min-height: 44px; }

@media (max-width: 680px) {
  :root { --header-h: 60px; }
  .topbar { padding-inline: 14px; }
  .brand { gap: 9px; }
  .brand-mark { width: 34px; height: 34px; font-size: 17px; }
  .brand b { font-size: 18px; }
  .brand small { display: none; }
  .library-command { padding: 14px 14px 11px; background: #f7f8f5; }
  .library-command-title { margin-bottom: 10px; }
  .library-command-title h1 { font-size: 23px; }
  #library .library-search { min-height: 46px; padding-left: 14px; padding-right: 44px; }
  #library .library-search input { font-size: 14px; }
  #library .search-clear { top: 9px; right: 8px; }
  #library .search-status { min-height: 14px; margin-top: 6px; font-size: 10px; white-space: normal; }
  #library .library-quick-search { display: flex; gap: 14px; margin-top: 6px; overflow-x: auto; }
  #library .library-quick-search button { flex: 0 0 auto; font-size: 11px; }
  #library .library-domain-group-label { padding: 10px 14px 7px; font-size: 10px; }
  #library .library-domain { flex-basis: 142px; min-height: 66px; padding: 11px 13px; }
  #library .library-domain > span { font-size: 10px; }
  #library .library-domain b { font-size: 16px; }
  #library .library-domain em { font-size: 15px; }
  #library .library-reference-summary { padding: 11px 14px; }
  #library .library-reference-summary span { font-size: 11px; }
  #library .archive-sections { top: var(--header-h); gap: 20px; padding: 11px 14px; }
  #library .archive-section { flex: 0 0 auto; font-size: 12px; }
  #library .library-results { padding: 24px 14px 74px; }
  #library .library-heading h2 { font-size: 28px; }
  #library .library-row { gap: 6px 12px; padding: 18px 0; }
  #library .library-type { font-size: 10px; }
  #library .library-title b { font-size: 20px; line-height: 1.35; }
  #library .library-title small { font-size: 10px; }
  #library .library-excerpt { font-size: 12.5px; line-height: 1.7; -webkit-line-clamp: 4; }
  .library-dialog-shell { padding: 12px 16px 86px; }
  .library-dialog .dialog-close { top: 10px; width: 42px; height: 42px; font-size: 22px; }
  .library-detail-kicker { margin-top: 42px; font-size: 10px; }
  .library-detail-title { font-size: 38px; line-height: 1.12; }
  .library-detail-summary { margin: 17px 0 22px; padding-bottom: 18px; font-size: 10px; }
  .personal-note-banner { margin-bottom: 14px; font-size: 11px; }
  .library-detail-actions { margin-bottom: 30px; padding-bottom: 20px; }
  .library-detail-actions button { min-height: 46px; }
  .entry-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .entry-facts div:nth-child(3) { border-left: 0; }
  .entry-guide-grid p, .entry-guide-grid li, .entry-note-content { font-size: 12.5px; }
  .mobile-nav { height: 66px; border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(24, 39, 33, .06); }
  .mobile-nav-item { font-size: 10px; }
  .mobile-nav-item span { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* v133: 基础油按制作目的进入，再按材料形态、触感和保存要求对照。 */
#library.is-carriers .archive-sections { background: #f1f3ee; }
#library.is-carriers .library-results {
  padding-inline: clamp(30px, 4.5vw, 70px);
  background: #fbfbf8;
}
#library.is-carriers .library-heading { border-bottom-color: var(--ink); }
.library-context.is-carrier-context {
  display: block;
  margin: 8px 0 36px;
  padding: 0;
  border: 0;
  background: transparent;
}
.library-context.is-essential-context {
  display: block;
  margin: 8px 0 30px;
  padding: 0;
  border: 0;
  background: transparent;
}
.is-essential-context .library-context-copy {
  display: grid;
  grid-template-columns: minmax(190px, .65fr) minmax(320px, 1.35fr);
  gap: 10px 42px;
  align-items: end;
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--ink);
}
.is-essential-context .library-context-copy small { grid-column: 1; }
.is-essential-context .library-context-copy b { grid-column: 1; font-size: 25px; line-height: 1.2; }
.is-essential-context .library-context-copy p { grid-column: 2; grid-row: 1 / 3; max-width: 620px; margin: 0; font-size: 11px; line-height: 1.78; }
.is-essential-context .library-context-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); padding-top: 15px; }
.is-essential-context .library-context-stats div:first-child { padding-left: 0; border-left: 0; }
.is-carrier-context .library-context-copy {
  display: grid;
  grid-template-columns: minmax(190px, .65fr) minmax(320px, 1.35fr);
  gap: 10px 42px;
  align-items: end;
  padding: 4px 0 22px;
  border-bottom: 1px solid var(--ink);
}
.is-carrier-context .library-context-copy small { grid-column: 1; }
.is-carrier-context .library-context-copy b { grid-column: 1; font-size: 25px; line-height: 1.2; }
.is-carrier-context .library-context-copy p { grid-column: 2; grid-row: 1 / 3; max-width: 620px; margin: 0; font-size: 11px; line-height: 1.78; }
.carrier-pathways {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}
.carrier-pathways button {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  grid-template-rows: auto 1fr;
  gap: 6px 8px;
  min-height: 104px;
  padding: 17px 16px 14px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.carrier-pathways button:nth-child(4n) { border-right: 0; }
.carrier-pathways button:nth-last-child(-n + 3) { border-bottom: 0; }
.carrier-pathways button span { color: #87928c; font-size: 9px; letter-spacing: .08em; }
.carrier-pathways button b { font: 500 14px/1.25 var(--serif); }
.carrier-pathways button small { grid-column: 2 / -1; color: var(--muted); font-size: 9px; line-height: 1.55; }
.carrier-pathways button em { color: #8a958f; font: 500 13px/1 var(--serif); font-style: normal; }
.carrier-pathways button:hover { background: rgba(85, 117, 101, .055); }
.carrier-pathways button.is-active { color: var(--accent); background: rgba(85, 117, 101, .09); box-shadow: inset 0 3px var(--accent); }
.carrier-reading-key {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 15px 0 0;
}
.carrier-reading-key div { padding: 0 18px; border-left: 1px solid var(--line); }
.carrier-reading-key div:first-child { padding-left: 0; border-left: 0; }
.carrier-reading-key dt { color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .08em; }
.carrier-reading-key dd { margin: 5px 0 0; color: var(--muted); font-size: 9px; line-height: 1.5; }
.carrier-list { border-top: 1px solid var(--ink); }
#library .carrier-library-row {
  grid-template-columns: 104px minmax(180px, .62fr) minmax(380px, 1.38fr) 36px;
  gap: 20px;
  min-height: 112px;
}
.carrier-row-facts {
  display: grid;
  grid-template-columns: .72fr 1.35fr .93fr;
  align-items: start;
  margin: 0;
}
.carrier-row-facts div { min-width: 0; padding: 2px 16px; border-left: 1px solid var(--line); }
.carrier-row-facts dt { margin-bottom: 7px; color: #8a958f; font-size: 8px; letter-spacing: .08em; }
.carrier-row-facts dd { margin: 0; color: #4e6057; font-size: 11px; line-height: 1.55; }
.essential-library-row {
  grid-template-columns: 104px minmax(180px, .62fr) minmax(380px, 1.38fr) 36px !important;
  gap: 20px !important;
  min-height: 112px !important;
}
.essential-row-facts {
  display: grid;
  grid-template-columns: 1fr 1fr 1.25fr;
  align-items: start;
  margin: 0;
}
.essential-row-facts div { min-width: 0; padding: 2px 16px; border-left: 1px solid var(--line); }
.essential-row-facts div:first-child { padding-left: 0; border-left: 0; }
.essential-row-facts dt { margin-bottom: 7px; color: #8a958f; font-size: 8px; letter-spacing: .08em; }
.essential-row-facts dd { display: -webkit-box; overflow: hidden; margin: 0; color: #4e6057; font-size: 11px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.carrier-choice-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 24px;
  border-block: 1px solid var(--ink);
}
.carrier-function-lead {
  position: relative;
  margin: 0;
  padding: 34px 0 30px;
  border-top: 1px solid var(--ink);
  background: transparent;
}
.carrier-function-lead-label {
  margin-bottom: 12px;
  color: #9a5038;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
}
.carrier-function-lead p {
  max-width: 38ch;
  margin: 0;
  color: var(--ink);
  font: 500 clamp(20px, 2.3vw, 27px)/1.58 var(--serif);
  letter-spacing: -.018em;
}
.carrier-function-snapshot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 26px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.carrier-function-snapshot div { min-width: 0; padding: 17px 18px 18px; border-left: 1px solid var(--line); }
.carrier-function-snapshot div:first-child { padding-left: 0; border-left: 0; }
.carrier-function-snapshot dt { margin-bottom: 8px; color: #9a5038; font-size: 10px; font-weight: 700; letter-spacing: .04em; }
.carrier-function-snapshot dd { margin: 0; color: #4d5752; font-size: 12px; line-height: 1.75; }
.carrier-evidence-line { display: flex; flex-wrap: wrap; gap: 9px 18px; align-items: center; margin-top: 16px; }
.carrier-evidence-line b { color: var(--ink); font-size: 11px; }
.carrier-evidence-line span { color: var(--muted); font-size: 10px; line-height: 1.6; }
.essential-editorial-profile {
  margin: 0 0 28px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.essential-editorial-profile > header { padding: 24px 0 22px; border-bottom: 1px solid var(--line); }
.essential-editorial-profile > header small { display: block; margin-bottom: 10px; color: #9a5038; font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.essential-editorial-profile > header h4 { margin: 0 0 11px; color: var(--ink); font: 500 24px/1.3 var(--serif); }
.essential-editorial-profile > header p { max-width: 58ch; margin: 0; color: #43534c; font-size: 13px; line-height: 1.85; }
.essential-benefit-index { display: flex; flex-wrap: wrap; gap: 7px 18px; margin-top: 16px; padding-top: 13px; border-top: 1px solid var(--line); }
.essential-benefit-index span { position: relative; color: #8f4c37; font: 500 12px/1.45 var(--serif); }
.essential-benefit-index span:not(:last-child)::after { content: '·'; position: absolute; right: -12px; color: #b9a69c; }
.essential-quick-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; }
.essential-quick-facts div { min-width: 0; padding: 18px 20px 19px 0; border-bottom: 1px solid var(--line); }
.essential-quick-facts div:nth-child(even) { padding-right: 0; padding-left: 20px; border-left: 1px solid var(--line); }
.essential-quick-facts dt { margin-bottom: 7px; color: #87928c; font-size: 9px; letter-spacing: .08em; }
.essential-quick-facts dd { margin: 0; color: #4d5d55; font-size: 11px; line-height: 1.75; }
.essential-safety-line { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 17px 0 18px; }
.essential-safety-line b { color: #8f4c37; font: 500 12px/1.5 var(--serif); }
.essential-safety-line span { color: #65736c; font-size: 10px; line-height: 1.7; }
.carrier-decision-profile {
  margin: 8px 0 42px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.carrier-decision-profile > header {
  display: grid;
  grid-template-columns: 154px minmax(180px, .7fr) minmax(260px, 1.3fr);
  gap: 22px;
  align-items: end;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--line);
}
.carrier-decision-profile > header small { color: #9a5038; font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.carrier-decision-profile > header h4 { margin: 0; color: var(--ink); font: 500 19px/1.25 var(--serif); }
.carrier-decision-profile > header p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.65; }
.carrier-decision-profile > dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}
.carrier-decision-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
  padding: 21px 18px 22px 0;
  border-bottom: 1px solid var(--line);
}
.carrier-decision-row:nth-child(even) { padding-right: 0; padding-left: 22px; border-left: 1px solid var(--line); }
.carrier-decision-row:nth-last-child(-n + 2) { border-bottom: 0; }
.carrier-decision-row dt { padding-top: 3px; color: #87928c; font-size: 9px; letter-spacing: .08em; }
.carrier-decision-row dd { min-width: 0; margin: 0; }
.carrier-decision-row dd b { display: block; margin-bottom: 7px; color: var(--ink); font: 500 15px/1.35 var(--serif); }
.carrier-decision-row dd span { display: block; color: #53625b; font-size: 11px; line-height: 1.75; }
.carrier-decision-row.is-wide dd b { color: #8f4c37; }
.carrier-editorial-profile {
  margin: 8px 0 32px;
  border-top: 2px solid var(--ink);
}
.carrier-editorial-profile > header {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--ink);
}
.carrier-editorial-profile > header small {
  display: block;
  margin-bottom: 10px;
  color: #9a5038;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
}
.carrier-editorial-profile > header h4 {
  margin: 0 0 13px;
  color: var(--ink);
  font: 500 25px/1.25 var(--serif);
}
.carrier-editorial-profile > header p {
  max-width: 58ch;
  margin: 0;
  color: #43534c;
  font-size: 13px;
  line-height: 1.85;
}
.carrier-benefit-index {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-top: 17px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.carrier-benefit-index span {
  position: relative;
  color: #8f4c37;
  font: 500 12px/1.45 var(--serif);
}
.carrier-benefit-index span:not(:last-child)::after {
  content: '·';
  position: absolute;
  right: -12px;
  color: #b9a69c;
}
.carrier-effect-chapters article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0 25px;
  border-bottom: 1px solid var(--line);
}
.carrier-effect-chapters article > span { color: #9da59f; font: 400 12px/1.6 var(--serif); }
.carrier-effect-chapters h5 { margin: 0 0 8px; color: var(--ink); font: 500 18px/1.35 var(--serif); }
.carrier-effect-chapters p { max-width: 62ch; margin: 0; color: #4d5d55; font-size: 12.5px; line-height: 1.85; }
.carrier-sensory-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-bottom: 1px solid var(--ink);
}
.carrier-sensory-notes > div {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 14px;
  padding: 19px 18px 20px 0;
  border-bottom: 1px solid var(--line);
}
.carrier-sensory-notes > div:nth-child(even) { padding-right: 0; padding-left: 20px; border-left: 1px solid var(--line); }
.carrier-sensory-notes > div:nth-last-child(-n + 2) { border-bottom: 0; }
.carrier-sensory-notes dt { padding-top: 3px; color: #87928c; font-size: 9px; letter-spacing: .06em; }
.carrier-sensory-notes dd { min-width: 0; margin: 0; }
.carrier-sensory-notes dd b { display: block; margin-bottom: 5px; color: var(--ink); font: 500 14px/1.4 var(--serif); }
.carrier-sensory-notes dd span { display: block; color: #64716b; font-size: 10.5px; line-height: 1.7; }
.carrier-research-note {
  display: grid;
  grid-template-columns: 152px minmax(0, 1fr);
  gap: 22px;
  padding: 22px 0 23px;
  border-bottom: 1px solid var(--ink);
}
.carrier-research-note b { color: #8f4c37; font: 500 13px/1.55 var(--serif); }
.carrier-research-note p { max-width: 60ch; margin: 0; color: #53625b; font-size: 11px; line-height: 1.8; }
.carrier-evidence-details {
  margin: 0 0 38px;
  border-bottom: 1px solid var(--ink);
}
.carrier-evidence-details > summary {
  display: grid;
  grid-template-columns: minmax(160px, .7fr) minmax(220px, 1.3fr) 24px;
  gap: 20px;
  align-items: center;
  padding: 18px 0 19px;
  cursor: pointer;
  list-style: none;
}
.carrier-evidence-details > summary::-webkit-details-marker { display: none; }
.carrier-evidence-details > summary::after { content: '+'; color: #8f4c37; font: 400 18px/1 var(--serif); text-align: right; }
.carrier-evidence-details[open] > summary::after { content: '−'; }
.carrier-evidence-details > summary span { color: var(--ink); font: 500 15px/1.4 var(--serif); }
.carrier-evidence-details > summary small { color: var(--muted); font-size: 9px; line-height: 1.55; }
.carrier-evidence-details .carrier-function-ledger { margin-bottom: 0; border-top: 1px solid var(--line); }
.carrier-misread-note { padding: 24px 0 26px; border-top: 1px solid var(--ink); }
.carrier-misread-note h5 { margin: 0 0 9px; color: var(--ink); font: 500 16px/1.4 var(--serif); }
.carrier-misread-note p { margin: 0; color: #53625b; font-size: 11.5px; line-height: 1.8; }
.carrier-misread-note small { display: block; margin-top: 8px; color: var(--muted); font-size: 9.5px; line-height: 1.7; }
.carrier-function-ledger {
  margin: 6px 0 40px;
  border-top: 2px solid var(--ink);
}
.carrier-function-ledger > header {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  align-items: end;
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--line);
}
.carrier-function-ledger > header > span {
  color: #9a5038;
  font: 400 38px/1 var(--serif);
  letter-spacing: -.04em;
}
.carrier-function-ledger > header small { display: block; margin-bottom: 4px; color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.carrier-function-ledger > header h4 { margin: 0; font: 500 19px/1.2 var(--serif); }
.carrier-function-ledger ol { margin: 0; padding: 0; list-style: none; }
.carrier-function-ledger li {
  position: relative;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  padding: 24px 0 25px;
  border-bottom: 1px solid var(--line);
  transition: transform .22s ease, border-color .22s ease;
}
.carrier-function-ledger li::before {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -14px;
  width: 2px;
  background: #a5573d;
  content: '';
  opacity: 0;
  transform: scaleY(.35);
  transition: opacity .22s ease, transform .22s ease;
}
.carrier-function-ledger li > em { color: #9da59f; font: 400 12px/1.6 var(--serif); font-style: normal; }
.carrier-function-copy h5 { margin: 0 0 8px; color: var(--ink); font: 500 19px/1.25 var(--serif); }
.carrier-function-copy > p { max-width: 58ch; margin: 0; color: #43534c; font-size: 13px; line-height: 1.8; }
.carrier-function-copy dl { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; margin: 17px 0 0; }
.carrier-function-copy dl div { min-width: 0; padding-top: 11px; border-top: 1px solid rgba(38, 53, 46, .12); }
.carrier-function-copy dt { margin-bottom: 5px; color: #8a958f; font-size: 9px; letter-spacing: .08em; }
.carrier-function-copy dd { margin: 0; color: #66736d; font-size: 11px; line-height: 1.7; }
@media (hover: hover) {
  .carrier-function-ledger li:hover { transform: translateX(4px); border-color: rgba(154, 80, 56, .34); }
  .carrier-function-ledger li:hover::before { opacity: 1; transform: scaleY(1); }
  .carrier-function-ledger li:hover > em { color: #9a5038; }
}
.carrier-guide .entry-note-section h4 {
  color: var(--ink);
  font: 500 15px/1.35 var(--serif);
  letter-spacing: 0;
}
.library-dialog[open] .carrier-function-lead { animation: carrier-rise .38s ease both; }
.library-dialog[open] .carrier-function-ledger li { animation: carrier-rise .34s ease both; }
.library-dialog[open] .carrier-function-ledger li:nth-child(2) { animation-delay: .035s; }
.library-dialog[open] .carrier-function-ledger li:nth-child(3) { animation-delay: .07s; }
.library-dialog[open] .carrier-function-ledger li:nth-child(4) { animation-delay: .105s; }
.library-dialog[open] .carrier-function-ledger li:nth-child(5) { animation-delay: .14s; }
@keyframes carrier-rise { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .library-dialog[open] .carrier-function-lead,
  .library-dialog[open] .carrier-function-ledger li { animation: none; }
  .carrier-function-ledger li,
  .carrier-function-ledger li::before { transition: none; }
}
.carrier-choice-strip div { min-width: 0; padding: 16px 14px; border-left: 1px solid var(--line); }
.carrier-choice-strip div:first-child { padding-left: 0; border-left: 0; }
.carrier-choice-strip dt { margin-bottom: 7px; color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.carrier-choice-strip dd { margin: 0; color: var(--ink); font: 500 12px/1.5 var(--serif); }

@media (max-width: 880px) {
  .carrier-pathways { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .carrier-pathways button:nth-child(n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .carrier-pathways button:nth-child(2n) { border-right: 0; }
  .carrier-pathways button:last-child { border-bottom: 0; }
  #library .carrier-library-row { grid-template-columns: 84px minmax(145px, .6fr) minmax(300px, 1.4fr) 36px; gap: 14px; }
  .carrier-row-facts div { padding-inline: 10px; }
  #library .essential-library-row { grid-template-columns: 84px minmax(145px, .6fr) minmax(300px, 1.4fr) 36px !important; gap: 14px !important; }
  .essential-row-facts div { padding-inline: 10px; }
}

@media (max-width: 680px) {
  #library.is-carriers .library-results { padding-inline: 16px; }
  .library-context.is-carrier-context { margin: 0 0 28px; }
  .is-carrier-context .library-context-copy { display: block; padding: 0 0 18px; }
  .is-carrier-context .library-context-copy b { display: block; font-size: 22px; }
  .is-carrier-context .library-context-copy p { margin-top: 9px; font-size: 10.5px; }
  .carrier-function-lead { padding: 27px 0 24px; }
  .carrier-function-lead p { max-width: none; font-size: 20px; line-height: 1.58; }
  .carrier-function-snapshot { grid-template-columns: 1fr; }
  .carrier-function-snapshot div, .carrier-function-snapshot div:first-child { padding: 14px 0 15px; border-left: 0; border-top: 1px solid var(--line); }
  .carrier-function-snapshot div:first-child { border-top: 0; }
  .carrier-evidence-line { gap: 6px 12px; }
  .essential-editorial-profile { margin-bottom: 24px; }
  .essential-editorial-profile > header { padding: 20px 0 19px; }
  .essential-editorial-profile > header h4 { font-size: 21px; }
  .essential-editorial-profile > header p { font-size: 12.5px; line-height: 1.8; }
  .essential-benefit-index { gap: 6px 15px; margin-top: 14px; padding-top: 12px; }
  .essential-benefit-index span { font-size: 11.5px; }
  .essential-quick-facts div { padding: 16px 12px 17px 0; }
  .essential-quick-facts div:nth-child(even) { padding-left: 12px; }
  .essential-quick-facts dd { font-size: 11px; line-height: 1.7; }
  .essential-safety-line { padding: 15px 0 16px; }
  .carrier-editorial-profile { margin-bottom: 25px; }
  .carrier-editorial-profile > header { padding: 20px 0 22px; }
  .carrier-editorial-profile > header h4 { font-size: 21px; }
  .carrier-editorial-profile > header p { font-size: 12.5px; line-height: 1.8; }
  .carrier-benefit-index { gap: 6px 15px; margin-top: 15px; padding-top: 12px; }
  .carrier-benefit-index span { font-size: 11.5px; }
  .carrier-effect-chapters article { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; padding: 20px 0 21px; }
  .carrier-effect-chapters h5 { font-size: 16px; }
  .carrier-effect-chapters p { font-size: 12px; line-height: 1.8; }
  .carrier-sensory-notes { grid-template-columns: 1fr; }
  .carrier-sensory-notes > div,
  .carrier-sensory-notes > div:nth-child(even) {
    grid-template-columns: 78px minmax(0, 1fr);
    padding: 16px 0 17px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .carrier-sensory-notes > div:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .carrier-sensory-notes > div:last-child { border-bottom: 0; }
  .carrier-research-note { grid-template-columns: 1fr; gap: 7px; padding: 19px 0 20px; }
  .carrier-evidence-details { margin-bottom: 30px; }
  .carrier-evidence-details > summary { grid-template-columns: minmax(0, 1fr) 24px; gap: 8px; padding: 16px 0 17px; }
  .carrier-evidence-details > summary small { grid-column: 1; grid-row: 2; }
  .carrier-evidence-details > summary::after { grid-column: 2; grid-row: 1 / 3; }
  .carrier-decision-profile { margin-bottom: 32px; }
  .carrier-decision-profile > header { display: block; padding: 18px 0 15px; }
  .carrier-decision-profile > header h4 { margin-top: 7px; font-size: 17px; }
  .carrier-decision-profile > header p { margin-top: 9px; }
  .carrier-decision-profile > dl { grid-template-columns: 1fr; }
  .carrier-decision-row,
  .carrier-decision-row:nth-child(even) {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
    padding: 17px 0 18px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .carrier-decision-row:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .carrier-decision-row:last-child { border-bottom: 0; }
  .carrier-decision-row dd b { font-size: 14px; }
  .carrier-decision-row dd span { font-size: 10.5px; line-height: 1.7; }
  .carrier-function-ledger { margin-bottom: 30px; }
  .carrier-function-ledger > header { grid-template-columns: 52px 1fr; padding: 18px 0 16px; }
  .carrier-function-ledger > header > span { font-size: 31px; }
  .carrier-function-ledger > header h4 { font-size: 17px; }
  .carrier-function-ledger li { grid-template-columns: 52px minmax(0, 1fr); padding: 21px 0 22px; }
  .carrier-function-ledger li::before { display: none; }
  .carrier-function-copy h5 { font-size: 17px; }
  .carrier-function-copy > p { font-size: 12.5px; line-height: 1.78; }
  .carrier-function-copy dl { grid-template-columns: 1fr; gap: 9px; margin-top: 14px; }
  .carrier-function-copy dl div { padding-top: 9px; }
  .carrier-pathways {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .carrier-pathways::-webkit-scrollbar { display: none; }
  .carrier-pathways button:nth-child(n) {
    flex: 0 0 132px;
    min-height: 66px;
    grid-template-columns: 22px minmax(0, 1fr) auto;
    grid-template-rows: auto;
    align-items: center;
    padding: 11px 10px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    scroll-snap-align: start;
  }
  .carrier-pathways button b { font-size: 12px; }
  .carrier-pathways button small { display: none; }
  .carrier-reading-key { gap: 0; padding-top: 13px; }
  .carrier-reading-key div { padding-inline: 9px; }
  .carrier-reading-key dt { font-size: 8px; }
  .carrier-reading-key dd { font-size: 8px; }
  #library .carrier-library-row {
    grid-template-columns: minmax(0, 1fr) 36px;
    gap: 6px 10px;
    padding: 18px 0;
  }
  #library .carrier-library-row .library-type { grid-column: 1; grid-row: 1; }
  #library .carrier-library-row .library-title { grid-column: 1; grid-row: 2; }
  #library .carrier-library-row .favorite-button { grid-column: 2; grid-row: 1 / 4; }
  .carrier-row-facts { grid-column: 1 / -1; grid-row: 3; margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
  .carrier-row-facts div { padding: 0 9px; }
  .carrier-row-facts div:first-child { padding-left: 0; border-left: 0; }
  .carrier-row-facts dt { margin-bottom: 5px; font-size: 7px; }
  .carrier-row-facts dd { font-size: 10px; line-height: 1.45; }
  #library .essential-library-row { grid-template-columns: minmax(0, 1fr) 36px !important; gap: 6px 10px !important; min-height: 0 !important; padding: 18px 0; }
  #library .essential-library-row .library-type { grid-column: 1; grid-row: 1; }
  #library .essential-library-row .library-title { grid-column: 1; grid-row: 2; }
  #library .essential-library-row .favorite-button { grid-column: 2; grid-row: 1 / 4; }
  .essential-row-facts { grid-column: 1 / -1; grid-row: 3; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
  .essential-row-facts div { padding: 0 9px; }
  .essential-row-facts div:first-child { padding-left: 0; }
  .essential-row-facts dt { margin-bottom: 5px; font-size: 7px; }
  .essential-row-facts dd { font-size: 10px; line-height: 1.45; }
  .carrier-choice-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .carrier-choice-strip div:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .carrier-choice-strip div:nth-child(4) { border-top: 1px solid var(--line); }
}

#library.is-searching .library-domain-nav { display: none; }

/* v130: the first paint is a neutral library shell; no stale category or count is shown. */
#library.is-initializing .library-search { background: #f8f8f5; }
#library.is-initializing .library-search input { cursor: wait; }
#library.is-initializing .archive-section { color: #8b948f; cursor: wait; }
.library-boot-domains {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.library-boot-domains > span {
  position: relative;
  display: block;
  min-height: 88px;
  border-right: 1px solid var(--line);
}
.library-boot-domains > span::before,
.library-boot-domains > span::after,
.library-boot-source span,
.library-boot-source i,
.library-boot-row > * {
  content: '';
  display: block;
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(90deg, #dfe3dd 20%, #eef0ec 46%, #dfe3dd 72%);
  background-size: 260% 100%;
  animation: libraryBootPulse 1.6s ease-in-out infinite;
}
.library-boot-domains > span::before { width: 48%; height: 10px; margin: 24px 16px 0; }
.library-boot-domains > span::after { width: 68%; height: 7px; margin: 11px 16px 0; }
.library-boot-source {
  min-height: 88px;
  padding: 24px 22px;
  border-left: 1px solid var(--line);
}
.library-boot-source span { width: 54%; height: 10px; }
.library-boot-source i { width: 76%; height: 7px; margin-top: 11px; }
.library-boot-note {
  padding: 14px 0 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}
.library-boot-row {
  display: grid;
  grid-template-columns: 94px minmax(190px, .7fr) minmax(300px, 1.3fr);
  gap: 20px;
  align-items: center;
  min-height: 116px;
  border-bottom: 1px solid var(--line);
}
.library-boot-row span { width: 58px; height: 8px; }
.library-boot-row b { width: 68%; height: 18px; }
.library-boot-row i { width: 84%; height: 9px; }
@keyframes libraryBootPulse {
  0% { background-position: 110% 0; }
  100% { background-position: -110% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .library-boot-domains > span::before,
  .library-boot-domains > span::after,
  .library-boot-source span,
  .library-boot-source i,
  .library-boot-row > * { animation: none; }
}

/* v129：芳疗基础从散笔记列表改成有先后关系、可深入阅读的学习档案。 */
#library.is-basics .archive-layout { grid-template-columns: 176px minmax(0, 1fr); }
#library.is-basics .archive-sections { background: #eff1eb; }
#library.is-basics .library-results {
  padding-inline: clamp(32px, 5vw, 78px);
  background:
    linear-gradient(90deg, rgba(85, 117, 101, .035) 1px, transparent 1px) 0 0 / 25% 100%,
    #fbfbf8;
}
#library.is-basics .library-heading { border-bottom-color: var(--ink); }
#library.is-basics .library-heading h2 { max-width: 760px; font-size: clamp(32px, 3.5vw, 48px); }

.library-context.is-basics-context {
  grid-template-columns: minmax(260px, .72fr) minmax(440px, 1.28fr);
  gap: 24px 46px;
  margin: 9px 0 42px;
  padding: 26px 28px 21px;
  border-color: rgba(50, 72, 61, .22);
  background: rgba(235, 238, 229, .72);
}
.is-basics-context .library-context-copy b { display: block; max-width: 420px; font-size: 25px; line-height: 1.25; }
.is-basics-context .library-context-copy p { max-width: 500px; margin-top: 10px; font-size: 11px; line-height: 1.78; }
.basics-pathway { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-content: start; gap: 0 22px; }
.basics-pathway button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  min-height: 47px;
  padding: 8px 0;
  border: 0;
  border-top: 1px solid rgba(45, 64, 55, .22);
  color: #54645c;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}
.basics-pathway button:nth-child(-n + 3) { border-top-color: var(--ink); }
.basics-pathway button span { color: #849087; font: 500 9px/1 var(--sans); letter-spacing: .08em; }
.basics-pathway button b { font: 500 13px/1.3 var(--serif); }
.basics-pathway button:hover, .basics-pathway button.is-active { color: var(--accent); border-top-color: var(--accent); }
.is-basics-context .library-context-stats { grid-column: 1 / -1; padding-top: 17px; border-top: 1px solid rgba(45, 64, 55, .18); }
.is-basics-context .library-context-stats div:first-child { padding-left: 0; border-left: 0; }
.is-basics-context .library-context-stats dd { font-size: 21px; }

.basics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(42px, 5vw, 76px);
  border-bottom: 1px solid rgba(33, 51, 43, .18);
}
.basics-card {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 28px;
  gap: 0 18px;
  min-width: 0;
  min-height: 322px;
  padding: 28px 0 30px;
  border-top: 1px solid rgba(33, 51, 43, .38);
  cursor: pointer;
  outline: none;
}
.basics-card::before {
  content: '';
  position: absolute;
  inset: 0 -14px;
  z-index: -1;
  background: rgba(85, 117, 101, 0);
  transition: background .2s ease;
}
.basics-card:hover::before, .basics-card:focus-visible::before { background: rgba(85, 117, 101, .055); }
.basics-card:focus-visible { box-shadow: inset 0 2px var(--accent); }
.basics-card-index { display: flex; min-width: 0; flex-direction: column; justify-content: space-between; align-items: flex-start; }
.basics-card-index > span { font: 500 24px/1 var(--serif); }
.basics-card-index > small { color: #98a099; font-size: 8px; letter-spacing: .16em; }
.basics-card-body { display: flex; min-width: 0; flex-direction: column; }
.basics-card-meta { display: flex; gap: 12px; margin: 1px 0 14px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .08em; }
.basics-card-meta span + span { padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font-weight: 500; }
.basics-card h3 { max-width: 430px; margin: 0; font: 500 clamp(24px, 2.15vw, 31px)/1.18 var(--serif); }
.basics-card-summary { margin: 15px 0 0; color: #44554d; font-size: 12px; line-height: 1.78; }
.basics-card ul { display: grid; gap: 6px; margin: 16px 0 0; padding: 0; list-style: none; }
.basics-card li { position: relative; padding-left: 13px; color: #65736c; font-size: 10px; line-height: 1.65; }
.basics-card li::before { content: ''; position: absolute; top: .68em; left: 0; width: 4px; height: 4px; border-radius: 50%; background: #8ba092; }
.basics-card-outline { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 18px; }
.basics-card-outline span { position: relative; padding-left: 10px; color: #69776f; font-size: 9px; line-height: 1.5; }
.basics-card-outline span::before { content: ''; position: absolute; top: .65em; left: 0; width: 4px; height: 1px; background: #8ba092; }
.basics-card-foot { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-top: auto; padding-top: 20px; color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.basics-card-foot i { color: var(--accent); font: normal 20px/1 var(--serif); transition: transform .18s ease; }
.basics-card:hover .basics-card-foot i { transform: translateX(5px); }
.basics-card > .favorite-button { align-self: start; justify-self: end; padding: 0; border: 0; background: transparent; }

.basics-guide { margin-top: 34px; }
.basics-guide > .basics-guide-lead { display: block; max-width: 700px; padding: 0 0 34px; border-bottom: 1px solid var(--ink); }
.basics-guide > .basics-guide-lead > p { margin: 0 0 13px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.basics-guide-lead > h3 { margin: 0; font: 500 clamp(27px, 3vw, 38px)/1.28 var(--serif); }
.basics-guide-grid > section { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.basics-guide-grid > section > span { color: #87948c; font: 500 10px/1 var(--sans); letter-spacing: .12em; }
.basics-guide-grid h4, .basics-sources h4 { margin: 0 0 18px; color: var(--accent); font-size: 10px; letter-spacing: .1em; }
.basics-guide-grid ul, .basics-guide-grid ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 28px; margin: 0; padding: 0; list-style: none; counter-reset: basics-step; }
.basics-guide-grid li { position: relative; padding: 0 0 0 18px; color: #405149; font-size: 13px; line-height: 1.78; }
.basics-guide-points li::before { content: ''; position: absolute; top: .75em; left: 0; width: 6px; height: 1px; background: var(--accent); }
.basics-guide-practice li { counter-increment: basics-step; padding-left: 28px; }
.basics-guide-practice li::before { content: counter(basics-step, decimal-leading-zero); position: absolute; left: 0; top: .2em; color: #87948c; font-size: 9px; letter-spacing: .08em; }
.basics-guide-boundary { background: linear-gradient(90deg, rgba(157, 91, 68, .075), transparent 72%); }
.basics-guide-boundary p { max-width: 650px; margin: 0; color: #684f46; font-size: 14px; line-height: 1.8; }

.basics-article { border-bottom: 1px solid var(--ink); }
.basics-article-intro { display: grid; gap: 15px; max-width: 720px; padding: 34px 0 38px; }
.basics-article-intro p { margin: 0; color: #33463d; font-size: 14px; line-height: 1.92; }
.basics-article-intro p:first-child { font: 500 19px/1.75 var(--serif); }
.basics-comparison-wrap { margin: 0 0 34px; overflow-x: auto; }
.basics-comparison { width: 100%; min-width: 580px; border-collapse: collapse; table-layout: fixed; }
.basics-comparison th { padding: 11px 14px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); color: var(--accent); font-size: 9px; letter-spacing: .08em; text-align: left; }
.basics-comparison td { padding: 14px; border-bottom: 1px solid var(--line); color: #475850; font-size: 11px; line-height: 1.68; vertical-align: top; }
.basics-comparison th:first-child, .basics-comparison td:first-child { width: 22%; padding-left: 0; color: var(--ink); }
.basics-article-section { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 20px; padding: 31px 0 34px; border-top: 1px solid var(--line); }
.basics-article-section > span { padding-top: 5px; color: #87948c; font-size: 9px; letter-spacing: .12em; }
.basics-article-section h4 { margin: 0 0 16px; font: 500 21px/1.35 var(--serif); }
.basics-article-section p { max-width: 710px; margin: 0; color: #43544c; font-size: 13px; line-height: 1.92; }
.basics-article-section p + p { margin-top: 13px; }
.basics-article-section ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; margin: 0; padding: 0; list-style: none; }
.basics-article-section li { position: relative; padding-left: 16px; color: #43544c; font-size: 12px; line-height: 1.76; }
.basics-article-section li::before { content: ''; position: absolute; top: .75em; left: 0; width: 6px; height: 1px; background: var(--accent); }
.basics-article-example { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 26px; margin: 6px 0 34px; padding: 23px 25px; background: #f1ece5; }
.basics-article-example span { color: #a05f49; font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.basics-article-example p { margin: 0; color: #604f47; font-size: 12px; line-height: 1.82; }
.basics-article-quote { margin: 4px 0 36px; padding: 8px 0 8px 24px; border-left: 2px solid var(--accent); color: #34473e; font: 500 22px/1.55 var(--serif); }
.basics-safety-margin { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 26px; margin-top: 38px; padding: 24px 0; border-top: 1px solid #9d5b44; border-bottom: 1px solid rgba(157, 91, 68, .38); }
.basics-safety-margin span { color: #9d5b44; font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.basics-safety-margin p { max-width: 680px; margin: 0; color: #684f46; font-size: 13px; line-height: 1.85; }

.basics-sources { margin-top: 38px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.basics-sources > summary { position: relative; display: flex; justify-content: space-between; gap: 24px; padding: 18px 34px 18px 0; list-style: none; cursor: pointer; }
.basics-sources > summary::-webkit-details-marker { display: none; }
.basics-sources > summary::after { content: '＋'; position: absolute; right: 0; color: var(--accent); }
.basics-sources[open] > summary::after { content: '－'; }
.basics-sources > summary span { font: 500 17px/1.2 var(--serif); }
.basics-sources > summary small { color: var(--muted); font-size: 9px; }
.basics-sources > div { display: grid; gap: 32px; padding: 28px 0 34px; border-top: 1px solid var(--line); }
.basics-source-list { display: grid; gap: 0; }
.basics-source-list a { position: relative; display: grid; grid-template-columns: minmax(150px, .58fr) minmax(0, 1fr) 20px; gap: 20px; padding: 15px 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.basics-source-list a b { font: 500 13px/1.5 var(--serif); }
.basics-source-list a span { color: var(--muted); font-size: 10px; line-height: 1.7; }
.basics-source-list a i { color: var(--accent); font-style: normal; }
.basics-note-source-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; }
.basics-note-source-list button { display: grid; grid-template-columns: 1fr auto; gap: 5px 14px; padding: 14px 0; border: 0; border-top: 1px solid var(--line); color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
.basics-note-source-list button span { grid-column: 1; color: var(--muted); font-size: 8px; }
.basics-note-source-list button b { grid-column: 1; font: 500 13px/1.35 var(--serif); }
.basics-note-source-list button i { grid-column: 2; grid-row: 1 / 3; align-self: center; color: var(--accent); font-size: 8px; font-style: normal; }
.basics-next { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 48px; }
.basics-next button { display: grid; gap: 8px; padding: 18px 0; border: 0; border-top: 1px solid var(--ink); color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
.basics-next button:last-child { text-align: right; }
.basics-next span { color: var(--muted); font-size: 8px; letter-spacing: .1em; }
.basics-next b { font: 500 14px/1.4 var(--serif); }

@media (max-width: 1100px) and (min-width: 681px) {
  .basics-grid { grid-template-columns: minmax(0, 1fr); }
  .basics-card { min-height: 285px; }
  .library-context.is-basics-context { grid-template-columns: minmax(220px, .75fr) minmax(360px, 1.25fr); }
}

@media (max-width: 680px) {
  .library-boot-domains { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-boot-domains > span { min-height: 64px; }
  .library-boot-domains > span::before { margin-top: 17px; }
  .library-boot-source { min-height: 64px; padding: 17px 16px; border-top: 1px solid var(--line); border-left: 0; }
  #library.is-initializing .archive-sections { display: none; }
  .library-boot-note { padding-top: 4px; }
  .library-boot-row { grid-template-columns: 70px minmax(0, 1fr); gap: 14px; min-height: 96px; }
  .library-boot-row span { width: 46px; }
  .library-boot-row b { width: 72%; }
  .library-boot-row i { grid-column: 2; width: 92%; }
  #library.is-basics .archive-layout { display: block; }
  #library.is-basics .library-results { padding: 24px 16px 66px; background: #fbfbf8; }
  .library-context.is-basics-context { display: block; margin: 4px 0 28px; padding: 20px 18px 17px; }
  .is-basics-context .library-context-copy b { font-size: 22px; }
  .is-basics-context .library-context-copy p { font-size: 10.5px; }
  .basics-pathway { display: flex; gap: 16px; margin-top: 20px; padding-bottom: 3px; overflow-x: auto; scrollbar-width: none; }
  .basics-pathway::-webkit-scrollbar { display: none; }
  .basics-pathway button, .basics-pathway button:nth-child(n) { flex: 0 0 116px; border-top-color: rgba(45, 64, 55, .22); }
  .basics-pathway button:first-child, .basics-pathway button.is-active { border-top-color: var(--accent); }
  .is-basics-context .library-context-stats { grid-template-columns: repeat(4, minmax(76px, 1fr)); gap: 0; margin-top: 16px; overflow-x: auto; }
  .is-basics-context .library-context-stats div { padding-inline: 9px; }
  .is-basics-context .library-context-stats div:first-child { padding-left: 0; }
  .basics-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .basics-card { grid-template-columns: 36px minmax(0, 1fr) 26px; gap: 0 13px; min-height: 0; padding: 24px 0 26px; }
  .basics-card::before { inset-inline: -8px; }
  .basics-card-index > span { font-size: 19px; }
  .basics-card-index > small { display: none; }
  .basics-card h3 { font-size: 25px; }
  .basics-card-summary { font-size: 12px; }
  .basics-card ul { margin-top: 13px; }
  .basics-card li { font-size: 10px; }
  .basics-card-foot { padding-top: 22px; }
  .basics-guide-lead { padding-bottom: 26px; }
  .basics-guide-lead > h3 { font-size: 28px; }
  .basics-guide-grid > section { grid-template-columns: 29px minmax(0, 1fr); gap: 12px; padding: 25px 0; }
  .basics-guide-grid ul, .basics-guide-grid ol { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .basics-guide-grid li, .basics-guide-boundary p { font-size: 12.5px; }
  .basics-article-intro { padding: 28px 0 31px; }
  .basics-article-intro p { font-size: 12.5px; line-height: 1.88; }
  .basics-article-intro p:first-child { font-size: 17px; line-height: 1.72; }
  .basics-comparison-wrap { margin-bottom: 28px; overflow: visible; }
  .basics-comparison { display: block; min-width: 0; }
  .basics-comparison thead { display: none; }
  .basics-comparison tbody { display: grid; gap: 14px; }
  .basics-comparison tr { display: grid; padding: 13px 16px 9px; border-top: 1px solid var(--ink); background: #f5f1ea; }
  .basics-comparison td, .basics-comparison th:first-child, .basics-comparison td:first-child { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 12px; width: auto; padding: 7px 0; border: 0; color: #475850; font-size: 11px; }
  .basics-comparison td::before { content: attr(data-label); color: var(--accent); font-size: 8px; font-weight: 700; letter-spacing: .06em; }
  .basics-article-section { grid-template-columns: 28px minmax(0, 1fr); gap: 10px; padding: 27px 0 30px; }
  .basics-article-section h4 { font-size: 19px; }
  .basics-article-section p { font-size: 12.5px; }
  .basics-article-section ul { grid-template-columns: minmax(0, 1fr); gap: 9px; }
  .basics-article-section li { font-size: 12px; }
  .basics-article-example, .basics-safety-margin { display: block; padding: 20px 18px; }
  .basics-article-example span, .basics-safety-margin span { display: block; margin-bottom: 10px; }
  .basics-article-quote { padding-left: 18px; font-size: 19px; }
  .basics-sources > summary { display: grid; gap: 5px; }
  .basics-source-list a { grid-template-columns: minmax(0, 1fr) 18px; gap: 6px 12px; }
  .basics-source-list a span { grid-column: 1; }
  .basics-source-list a i { grid-column: 2; grid-row: 1 / 3; }
  .basics-note-source-list { grid-template-columns: minmax(0, 1fr); }
  .basics-next { gap: 18px; margin-top: 38px; }
  .basics-next b { font-size: 12px; }
}

/* v115：配方不再藏在自建工具下；先查原方，再进入使用路径与计算。 */
.recipe-library {
  scroll-margin-top: calc(var(--header-h) + 12px);
  padding: 58px clamp(24px, 8vw, 132px) 72px;
  border-bottom: 1px solid var(--line);
  background: #faf8f1;
}
.recipe-library-heading { margin: 0; padding-bottom: 23px; border-bottom: 1px solid var(--ink); }
.recipe-library-heading h2 { max-width: 760px; font: 500 clamp(31px, 4.2vw, 54px)/1.12 var(--serif); }
.recipe-library-heading > span { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.recipe-library-intro { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 48px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.recipe-library-intro > p { max-width: 700px; margin: 0; color: #566760; font-size: 12px; line-height: 1.8; }
.recipe-library-stats { display: grid; grid-template-columns: repeat(3, minmax(90px, 1fr)); }
.recipe-library-stats div { min-width: 110px; padding: 0 20px; border-left: 1px solid var(--line); }
.recipe-library-stats strong { display: block; font: 500 25px/1 var(--serif); }
.recipe-library-stats span { display: block; margin-top: 7px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.recipe-command { display: grid; grid-template-columns: auto minmax(260px, 1fr) auto; align-items: end; gap: 30px; padding: 27px 0 15px; border-bottom: 1px solid var(--line); }
.recipe-mode-switch { display: flex; border: 1px solid var(--ink); }
.recipe-mode-switch button { min-height: 42px; padding: 0 17px; border: 0; color: var(--ink); background: transparent; font-size: 10px; cursor: pointer; }
.recipe-mode-switch button + button { border-left: 1px solid var(--ink); }
.recipe-mode-switch button.is-active { color: #fff; background: var(--ink); }
.recipe-search { display: grid; gap: 5px; }
.recipe-search span { color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.recipe-search input { width: 100%; min-height: 42px; padding: 0 2px; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; color: var(--ink); background: transparent; font: 500 14px/1 var(--serif); }
.recipe-search input:focus { outline: 0; border-bottom-color: var(--accent); box-shadow: 0 1px 0 var(--accent); }
.recipe-search-clear { min-height: 42px; padding: 0; border: 0; border-bottom: 1px solid var(--ink); color: var(--ink); background: transparent; font-size: 10px; cursor: pointer; }
.recipe-filter-group { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: 22px; align-items: start; padding-top: 16px; }
.recipe-filter-group + .recipe-filter-group { padding-top: 5px; }
.recipe-filter-group > p { margin: 8px 0 0; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .11em; }
.recipe-filter-group .book-recipe-filters { gap: 8px 15px; margin: 0; padding: 0; border: 0; }
.recipe-filter-group .recipe-filter { padding: 7px 0 5px; font-size: 10px; }
.recipe-filter-group .recipe-filter em { margin-left: 3px; color: #8b958f; font-style: normal; font-size: 8px; }
.recipe-filter-group .recipe-filter.is-active em { color: var(--accent); }
.recipe-results-head { display: flex; justify-content: space-between; gap: 24px; margin-top: 19px; padding: 13px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.recipe-results-head p, .recipe-results-head span { margin: 0; color: var(--muted); font-size: 9px; letter-spacing: .06em; }
.recipe-results-head p { color: var(--ink); font-weight: 700; }
.recipe-library .book-recipe-row { grid-template-columns: minmax(180px, .72fr) minmax(330px, 1.38fr) minmax(220px, .9fr); padding: 27px 0; }
.recipe-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.recipe-card-tags span { padding: 3px 6px; border: 1px solid var(--accent-soft); color: var(--accent); font-size: 8px; letter-spacing: .05em; }
.book-recipe-title > small { display: block; margin-top: 9px; color: var(--muted); font-size: 9px; }
.recipe-source-text p { color: #3f514a; font-size: 12px; line-height: 1.82; }
.recipe-source-label { margin-bottom: 9px !important; color: var(--muted) !important; font-size: 9px !important; }
.recipe-source-links { display: flex; flex-wrap: wrap; gap: 7px; }
.recipe-source-link, .recipe-source-links > span { width: auto; padding: 6px 8px; border: 1px solid var(--line); color: var(--ink); background: transparent; font-size: 9px; line-height: 1.45; text-align: left; cursor: pointer; }
.recipe-source-link:hover { color: #fff; border-color: var(--accent); background: var(--accent); }
.recipe-risk-flags { display: grid; gap: 5px; margin-top: 14px; }
.recipe-risk-flags span { padding-left: 9px; border-left: 2px solid #ad674f; color: #7a5043; font-size: 9px; line-height: 1.55; }
.recipe-reviewed-mark { margin-top: 14px; padding-left: 9px; border-left: 2px solid #769181; color: #567064; font-size: 9px; line-height: 1.55; }
.recipe-empty { padding: 64px 0 72px; text-align: center; }
.recipe-empty span { color: var(--accent); font-size: 9px; letter-spacing: .12em; }
.recipe-empty h3 { margin: 10px 0 22px; font: 500 25px/1.2 var(--serif); }
.recipe-empty button { padding: 10px 14px; border: 1px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; }
.recipe-load-more { margin: 28px auto 0; }

#routines .usage-router { background: #f4f1e8; }
#routines .formulator-section { border-top: 0; }
#routines .utility-intro { min-height: 0; padding-block: 48px 43px; }
#routines .utility-intro h1 { font-size: clamp(44px, 6vw, 72px); white-space: nowrap; }

@media (max-width: 920px) {
  .recipe-library-intro { grid-template-columns: 1fr; gap: 22px; }
  .recipe-library-stats { width: 100%; }
  .recipe-library-stats div:first-child { padding-left: 0; border-left: 0; }
  .recipe-command { grid-template-columns: 1fr auto; }
  .recipe-mode-switch { grid-column: 1 / -1; width: max-content; }
  .recipe-library .book-recipe-row { grid-template-columns: minmax(160px, .65fr) minmax(0, 1.35fr); }
  .recipe-library .book-recipe-note { grid-column: 2; padding: 16px 0 0; border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 680px) {
  #routines .utility-intro { padding: 38px 18px 32px; }
  #routines .utility-intro h1 { font-size: 43px; }
  .recipe-library { padding: 38px 18px 54px; }
  .recipe-library-heading { display: block; }
  .recipe-library-heading h2 { font-size: 31px; }
  .recipe-library-heading > span { display: block; margin-top: 11px; }
  .recipe-library-intro { padding-block: 19px; }
  .recipe-library-stats { grid-template-columns: repeat(3, 1fr); }
  .recipe-library-stats div { min-width: 0; padding: 0 9px; }
  .recipe-library-stats strong { font-size: 22px; }
  .recipe-library-stats span { white-space: normal; line-height: 1.4; }
  .recipe-command { grid-template-columns: minmax(0, 1fr) auto; gap: 18px 12px; }
  .recipe-mode-switch { width: 100%; }
  .recipe-mode-switch button { flex: 1; padding-inline: 12px; }
  .recipe-filter-group { display: block; padding-top: 14px; }
  .recipe-filter-group > p { margin: 0 0 4px; }
  .recipe-filter-group .book-recipe-filters { display: flex; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; scrollbar-width: none; }
  .recipe-filter-group .book-recipe-filters::-webkit-scrollbar { display: none; }
  .recipe-filter-group .recipe-filter { flex: 0 0 auto; }
  .recipe-results-head { display: block; }
  .recipe-results-head span { display: block; margin-top: 7px; line-height: 1.5; }
  .recipe-library .book-recipe-row { grid-template-columns: 1fr; gap: 14px; padding: 23px 0; }
  .recipe-library .book-recipe-note { grid-column: 1; padding-top: 14px; }
  .recipe-source-text p { font-size: 11.5px; }
}

/* Final visual layer: keep the data UI intact while giving the entry view one coherent art direction. */
:root {
  --paper: #f2f1eb;
  --paper-light: #fbfaf6;
  --ink: #19342b;
  --ink-deep: #102a21;
  --line: rgba(25, 52, 43, .16);
  --muted: #718078;
  --accent: #bd725a;
  --accent-soft: #dca28d;
  --moss: #658574;
  --header-h: 74px;
}

body { background: var(--paper); background-image: none; }
.topbar { height: var(--header-h); padding-inline: clamp(18px, 5vw, 88px); border-bottom-color: rgba(255, 255, 255, .12); background: rgba(16, 42, 33, .97); box-shadow: 0 12px 28px rgba(16, 42, 33, .08); }
.brand { gap: 12px; }
.brand-mark { width: 38px; height: 38px; border: 1px solid rgba(255, 255, 255, .48); border-radius: 11px; color: #fffaf2; background: var(--accent); box-shadow: 0 7px 18px rgba(0, 0, 0, .13); transform: rotate(-4deg); }
.brand b { color: #fffaf2; font-size: 20px; }
.brand small { color: rgba(255, 250, 242, .60); }
.desktop-nav { gap: 2px; }
.nav-link { min-width: 92px; padding-inline: 16px; color: rgba(255, 250, 242, .64); font-size: 12px; }
.nav-link:hover, .nav-link.is-active { color: #fffaf2; }
.nav-link::after { left: 16px; right: 16px; bottom: 0; height: 3px; background: transparent; }
.nav-link.is-active::after { background: var(--accent-soft); }
.install-button { border-color: rgba(255, 250, 242, .42); border-radius: 8px; color: #fffaf2; background: rgba(255, 255, 255, .04); }

#library .library-command { position: relative; min-height: min(430px, calc(100svh - var(--header-h))); grid-template-columns: minmax(250px, .78fr) minmax(420px, 1.22fr); gap: clamp(44px, 8vw, 142px); padding: clamp(58px, 8vw, 108px) clamp(24px, 10vw, 160px) 64px; overflow: hidden; color: #fffaf2; background: var(--ink-deep); }
#library .library-command::before { right: -10vw; bottom: -24vw; width: 50vw; height: 50vw; border-color: rgba(255, 250, 242, .14); box-shadow: 0 0 0 38px rgba(255, 250, 242, .035), 0 0 0 76px rgba(255, 250, 242, .025); }
#library .library-command::after { content: "FIELD NOTES  /  152"; position: absolute; right: clamp(24px, 10vw, 160px); top: 28px; bottom: auto; display: block; color: rgba(255, 250, 242, .42); font: 600 9px/1 var(--sans); letter-spacing: .18em; white-space: nowrap; pointer-events: none; }
.library-command-title { position: relative; z-index: 1; }
.library-command-title p { margin: 0 0 20px; color: var(--accent-soft); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.library-command-title h1 { margin: 0; color: #fffaf2; font: 500 clamp(68px, 8.3vw, 124px)/.90 var(--serif); letter-spacing: -.07em; }
.library-command-title span { display: block; margin-top: 22px; color: rgba(255, 250, 242, .64); font-size: 13px; }

#library .library-search-zone { position: relative; top: auto; z-index: 1; display: block; padding: 0; border: 0; background: transparent; backdrop-filter: none; }
#library .library-search-wrap { max-width: 760px; }
#library .library-search { min-height: 72px; padding: 0 18px; border: 1px solid rgba(255, 250, 242, .24); border-radius: 10px; color: #fffaf2; background: rgba(255, 255, 255, .075); box-shadow: 0 20px 50px rgba(0, 0, 0, .17); transition: border-color .2s ease, background .2s ease, transform .2s ease; }
#library .library-search:hover { background: rgba(255, 255, 255, .10); }
#library .library-search:focus-within { border-color: var(--accent-soft); background: rgba(255, 255, 255, .13); box-shadow: 0 0 0 4px rgba(220, 162, 141, .12), 0 20px 50px rgba(0, 0, 0, .19); transform: translateY(-1px); }
#library .library-search svg { stroke: #f8e9de; }
#library .library-search input { color: #fffaf2; font-size: 16px; }
#library .library-search input::placeholder { color: rgba(255, 250, 242, .56); }
#library .library-search kbd { border-color: rgba(255, 250, 242, .24); color: rgba(255, 250, 242, .63); background: rgba(255, 255, 255, .06); }
#library .library-search-zone .search-status { margin-left: 2px; color: rgba(255, 250, 242, .52); }
#library .library-quick-search { gap: 18px; margin-top: 16px; }
#library .library-quick-search button { color: rgba(255, 250, 242, .68); border-bottom-color: transparent; }
#library .library-quick-search button:hover { color: #fffaf2; border-bottom-color: var(--accent-soft); }

#library .library-domain-nav { background: #e9ebe3; }
#library .library-domain { min-height: 104px; padding-block: 24px; transition: background .2s ease, transform .2s ease; }
#library .library-domain:hover { background: #f1f1eb; transform: translateY(-1px); }
#library .library-domain.is-active { background: #faf8f2; }
#library .library-domain.is-active b { color: var(--accent); }
#library .library-domain::after { background: var(--accent); }
#library .library-domain-group-reference { background: #e4e7de; }
#library .library-reference-summary:hover { background: #eff0ea; }
#library .library-reference-summary::after { color: var(--accent); }
#library .archive-sections { background: #e9ebe3; }
#library .archive-section:hover, #library .archive-section.is-active { color: var(--accent); border-bottom-color: var(--ink); }
#library .library-results { background: var(--paper-light); }
#library .library-heading { border-bottom-color: var(--ink); }
#library .library-heading h2 { font-size: clamp(30px, 3.1vw, 42px); }
#library .library-row { min-height: 122px; border-bottom-color: rgba(25, 52, 43, .13); transition: padding .2s ease, background .2s ease, box-shadow .2s ease; }
#library .library-row:hover { background: #f0f2eb; box-shadow: inset 3px 0 var(--accent); }
#library .library-title b { font-size: 22px; }
#library .library-excerpt { color: #53675e; font-size: 12.5px; line-height: 1.78; }
#library .library-type { color: var(--accent); }
#library .favorite-button { color: #8b9991; }
#library .favorite-button:hover, #library .favorite-button.is-favorite { color: var(--accent); background: #f2e4dd; }

.view:not(#library) { background: var(--paper-light); }
.utility-intro { min-height: 218px; padding-block: 48px 40px; border-bottom-color: var(--line); background: #eeefe9; }
.utility-intro h1 { color: var(--ink); font-size: clamp(44px, 5.2vw, 72px); }
.utility-intro > p:last-child { max-width: 560px; color: #52665c; }
.safety-intro { color: #fffaf2; background: var(--ink-deep); }
.safety-intro h1 { color: #fffaf2; }
.safety-intro .eyebrow { color: var(--accent-soft); }
.safety-intro > p:last-child { color: rgba(255, 250, 242, .68); }
.usage-task-nav { background: #e9ebe3; border-bottom-color: var(--line); }
.usage-task-nav button { min-height: 68px; padding-inline: 22px; transition: background .2s ease, color .2s ease; }
.usage-task-nav button:hover { color: var(--accent); background: rgba(255, 255, 255, .46); }
.recipe-library { background: #faf8f2; }
.recipe-mode-switch { border-color: var(--ink); border-radius: 7px; overflow: hidden; }
.recipe-mode-switch button.is-active { background: var(--ink); }
.recipe-library .book-recipe-row { transition: background .2s ease, padding .2s ease; }
.recipe-library .book-recipe-row:hover { padding-inline: 12px; background: #f0f2eb; }
.formulator-section { background: #eeefe9; }
.formulator-result, .calculator { background: #faf8f2; }
.usage-router { background: #f3f1e9; }
.usage-step { transition: background .2s ease; }
.usage-step:hover { background: rgba(255, 255, 255, .35); }
.calculator-layout { border-color: var(--line); box-shadow: 0 18px 42px rgba(25, 52, 43, .06); }
.calculator-result, .safety-rules { background: var(--ink-deep); }
.calculator-result strong { color: var(--accent-soft); }
.red-flags { background: #a95943; }
.sources { background: #faf8f2; }

@media (max-width: 1100px) and (min-width: 681px) {
  #library .library-command { grid-template-columns: minmax(230px, .72fr) minmax(360px, 1.28fr); gap: 42px; padding-inline: 56px; }
  #library .library-domain { padding-inline: 14px; }
  #library .library-domain b { font-size: 15px; }
}

@media (max-width: 680px) {
  :root { --header-h: 64px; }
  .topbar { height: var(--header-h); padding-inline: 15px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; font-size: 17px; }
  .brand b { font-size: 18px; }
  .desktop-nav { display: none; }
  .mobile-nav { height: 68px; background: rgba(16, 42, 33, .97); border-top-color: rgba(255, 255, 255, .12); }
  .mobile-nav-item { color: rgba(255, 250, 242, .58); }
  .mobile-nav-item.is-active { color: #fffaf2; }
  .mobile-nav-item span { color: var(--accent-soft); }
  #library .library-command { display: block; min-height: 0; padding: 46px 18px 30px; }
  #library .library-command::after { display: none; }
  #library .library-command::before { right: -35vw; bottom: -42vw; width: 84vw; height: 84vw; }
  .library-command-title { display: block; }
  .library-command-title p { margin-bottom: 16px; font-size: 10px; }
  .library-command-title h1 { font-size: 60px; }
  .library-command-title span { margin-top: 15px; font-size: 12px; }
  #library .library-search-zone { margin-top: 30px; }
  #library .library-search { min-height: 60px; padding-inline: 15px 45px; border-radius: 9px; }
  #library .library-search input { font-size: 14px; }
  #library .library-quick-search { gap: 15px; margin-top: 13px; overflow-x: auto; }
  #library .library-quick-search button { flex: 0 0 auto; font-size: 10px; }
  #library .library-domain-nav { background: #e9ebe3; }
  #library .library-domain { flex-basis: 144px; min-height: 72px; padding: 14px 13px; }
  #library .library-domain b { font-size: 16px; }
  #library .library-domain em { font-size: 15px; }
  #library .archive-sections { background: rgba(234, 236, 229, .97); }
  #library .library-results { padding-top: 27px; }
  #library .library-heading h2 { font-size: 29px; }
  #library .library-row { padding-block: 19px; }
  #library .library-title b { font-size: 20px; }
  .utility-intro { padding: 37px 18px 29px; }
  .utility-intro h1 { font-size: 39px; }
  .usage-task-nav { background: #e9ebe3; }
  .recipe-library { padding-top: 44px; }
  .formulator-section, .routine-index, .carrier-section { background: #eeefe9; }
  .calculator-layout { box-shadow: none; }
}