/* roulang page: index */
:root {
  --ink: #1C1612;
  --ink-2: #2A211C;
  --copper: #C46A2E;
  --copper-2: #E2A36A;
  --moss: #6E8B74;
  --paper: #F4EDE3;
  --paper-2: #E7DCCF;
  --fog: #A3988C;
  --text: #241C16;
  --muted: #5C5148;
  --light: #F4EDE3;
  --top: 68px;
  --side: 268px;
  --hud: 2px;
  --card: 16px;
  --shadow: 0 12px 28px rgba(28, 22, 18, .16);
  --line: 1.85;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  color: var(--text);
  background: var(--ink);
  line-height: var(--line);
  font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
[hidden] { display: none !important; }
::selection { background: rgba(196, 106, 46, .35); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--moss); border-radius: 2px; }
::-webkit-scrollbar-track { background: var(--ink); }
:focus-visible { outline: 2px solid var(--moss); outline-offset: 2px; }
.skip {
  position: absolute; left: 12px; top: -40px; background: var(--copper); color: var(--ink);
  padding: 8px 12px; z-index: 80; border-radius: var(--hud);
}
.skip:focus { top: 8px; }
.wrap { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.with-side { margin-left: var(--side); }
.num { font-variant-numeric: tabular-nums; font-family: ui-monospace, "Sarasa Mono SC", "Source Han Mono SC", monospace; }

.topbar {
  position: sticky; top: 0; z-index: 40; height: var(--top);
  background: var(--ink); color: var(--light);
  border-bottom: 1px solid rgba(196, 106, 46, .45);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}
.topbar-inner { height: 100%; display: flex; align-items: center; gap: 14px; width: min(1440px, calc(100% - 28px)); margin: 0 auto; }
.brand { display: flex; flex-direction: column; line-height: 1.15; min-width: 148px; color: var(--light); }
.brand strong { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
.brand small { color: var(--copper-2); font-size: 12px; }
.top-links { display: flex; gap: 6px; }
.top-links a, .drawer-links a {
  padding: 8px 12px; border-radius: var(--hud); color: var(--light); border: 1px solid transparent;
}
.top-links a:hover, .drawer-links a:hover { border-color: var(--copper); color: var(--copper-2); }
.top-links a[aria-current="page"] { background: rgba(110, 139, 116, .2); box-shadow: inset 0 -2px 0 var(--copper); }
.top-search { flex: 1; min-width: 140px; position: relative; }
.top-search input, .field input, .field textarea {
  width: 100%; background: var(--ink-2); color: var(--light);
  border: 1px solid rgba(196, 106, 46, .55); border-radius: var(--hud); padding: 10px 12px;
}
.field input, .field textarea { background: #fffdf8; color: var(--text); }
.top-search input:focus, .field input:focus, .field textarea:focus { border-color: var(--moss); }
.search-stat { position: absolute; left: 0; top: calc(100% + 6px); font-size: 12px; color: var(--copper-2); }
.ver-switch, .lang-switch, .drawer-tools { display: flex; gap: 6px; }
.chip, .icon-btn {
  background: transparent; color: var(--light); border: 1px solid rgba(196, 106, 46, .7);
  border-radius: var(--hud); padding: 7px 10px; cursor: pointer; line-height: 1.2;
}
.chip[aria-pressed="true"] { background: var(--copper); color: var(--ink); border-color: var(--copper); }
.chip:hover, .icon-btn:hover { border-color: var(--copper-2); transform: translateY(-1px); }
.search-btn, .menu-btn { display: none; }
.icon-btn { min-width: 40px; }

.sidecat {
  position: fixed; z-index: 35; top: var(--top); left: 0; width: var(--side);
  height: calc(100vh - var(--top)); overflow: auto; background: #18130f; color: var(--light);
  border-right: 1px solid rgba(110, 139, 116, .35); padding: 18px 12px 28px;
}
.sidecat h2 { font-size: 13px; color: var(--fog); margin: 8px 8px 10px; font-weight: 600; }
.toc { display: flex; flex-direction: column; gap: 2px; }
.toc a {
  display: block; padding: 8px 10px 8px 12px; border-radius: var(--hud); color: #E4D8CC; font-size: 14px;
}
.toc a:hover { background: rgba(196, 106, 46, .12); }
.toc a.is-current { background: rgba(110, 139, 116, .22); box-shadow: inset 3px 0 0 var(--copper); color: var(--light); }
.drawer-links, .drawer-tools { display: none; margin-bottom: 12px; }
.mask { position: fixed; inset: var(--top) 0 0 0; background: rgba(20, 14, 10, .55); z-index: 32; }

.sec { padding: 72px 0; position: relative; }
.sec-board {
  color: var(--light);
  background:
    linear-gradient(180deg, rgba(28, 22, 18, .2), rgba(28, 22, 18, .55)),
    repeating-linear-gradient(0deg, rgba(196, 106, 46, .09) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(110, 139, 116, .08) 0 1px, transparent 1px 48px),
    linear-gradient(165deg, #1C1612 0%, #3A2A22 58%, #241911 100%);
}
.sec-mid { background: var(--ink-2); color: var(--light); }
.sec-paper { background: var(--paper); color: var(--text); }
.sec-sand { background: var(--paper-2); color: var(--text); }
h1, h2, h3 { text-align: left; font-weight: 700; line-height: 1.3; margin: 0 0 .4em; }
h1 { font-size: clamp(32px, 4vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: 18px; }
.lead { max-width: 40em; line-height: 1.85; margin: 8px 0 22px; }
.sec-board .lead, .sec-mid .lead { color: #E7D9CB; }
.sub { color: var(--muted); font-size: 13px; }
.sec-board .sub, .sec-mid .sub { color: var(--fog); }
.badge, .tag {
  display: inline-flex; align-items: center; gap: 6px; border-radius: var(--hud);
  padding: 3px 8px; font-size: 12px; border: 1px solid var(--moss); color: var(--moss); letter-spacing: .04em;
}
.sec-paper .tag, .sec-sand .tag { background: transparent; }
.tag-copper { border-color: var(--copper); color: var(--copper); }
.tag-fog { border-color: var(--fog); color: var(--muted); }
.tag-ink { border-color: var(--ink); color: var(--ink); }
.sec-mid .tag-ink, .sec-board .tag-ink { color: var(--light); border-color: var(--fog); }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.btn, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px;
  border-radius: var(--hud); border: 1px solid var(--copper); cursor: pointer; font-weight: 700;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.btn { background: var(--copper); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--copper); }
.sec-board .btn-ghost, .sec-mid .btn-ghost { color: var(--copper-2); }
.btn:hover, .btn-ghost:hover { transform: translateY(-2px); border-color: #F0C09A; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
.btn:active, .btn-ghost:active { transform: translateY(0); }

.countbar {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center;
  border: 1px solid rgba(196, 106, 46, .7); border-radius: var(--hud); padding: 10px 14px; margin-bottom: 22px;
  background: rgba(28, 22, 18, .45);
}
.countbar b { color: var(--copper-2); font-weight: 650; }
.board-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, .9fr); gap: 28px; align-items: start; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.metric {
  background: rgba(28, 22, 18, .72); border: 1px solid rgba(110, 139, 116, .55); border-radius: var(--hud);
  padding: 12px 12px 10px; box-shadow: var(--shadow);
}
.metric .k { color: var(--fog); font-size: 13px; }
.metric .v { font-size: 28px; color: var(--copper-2); line-height: 1.2; margin: 4px 0; }
.pathline { margin-top: 22px; }
.pathline svg { width: 100%; height: 46px; display: block; }
.pathline path, .pathline circle { fill: none; stroke: var(--copper); stroke-width: 2; }
.pathline circle { fill: var(--moss); stroke: var(--copper-2); }

.zone-grid {
  display: grid; gap: 12px;
  grid-template-columns: 1.45fr 1fr .82fr;
  grid-template-areas: "a b b" "a c d";
}
.zone {
  position: relative; overflow: hidden; min-height: 150px; padding: 16px;
  border-radius: var(--card); border: 1px solid rgba(196, 106, 46, .55);
  background: #241911; color: var(--light); box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between;
}
.zone:hover { transform: translateY(-2px); border-color: #F0C09A; }
.z1 { grid-area: a; min-height: 320px; background: linear-gradient(160deg, #3a2418, #1c1612 70%); }
.z2 { grid-area: b; background: linear-gradient(120deg, #4a3424, #241911); }
.z3 { grid-area: c; background: linear-gradient(180deg, #243028, #1c1612); }
.z4 { grid-area: d; background: linear-gradient(200deg, #3a342c, #1c1612); }
.coord { font-size: 12px; color: var(--fog); }
.zone strong { font-size: 22px; display: block; margin: 8px 0; }
.zone em { font-style: normal; color: var(--copper-2); font-size: 20px; }

.pack { display: grid; gap: 10px; grid-template-columns: 1.25fr .9fr 1fr; grid-template-areas: "s s t" "c v m"; }
.cell { border-radius: var(--card); padding: 16px; background: #fffdf8; border: 1px solid rgba(110, 139, 116, .45); box-shadow: var(--shadow); }
.c-s { grid-area: s; min-height: 148px; background: #2A211C; color: var(--light); border-color: rgba(196, 106, 46, .55); }
.c-t { grid-area: t; } .c-c { grid-area: c; } .c-v { grid-area: v; } .c-m { grid-area: m; }
.cell span { display: block; color: var(--copper); font-size: 12px; margin-bottom: 6px; }

.road { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--copper); }
.station { padding: 18px 14px 8px; border-right: 1px solid rgba(163, 152, 140, .35); }
.station:last-child { border-right: 0; }
.station .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--moss); border: 2px solid var(--copper); margin-top: -24px; margin-bottom: 12px; }
.station a { color: var(--copper-2); text-decoration: underline; text-underline-offset: 3px; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.col { border-radius: var(--card); padding: 18px; border: 1px solid rgba(196, 106, 46, .4); background: #fffdf8; box-shadow: var(--shadow); }
.col.alt { background: #241C16; color: var(--light); }
.pair { padding: 12px 0; border-top: 1px solid rgba(163, 152, 140, .35); }
.pair b { display: block; color: var(--copper); font-size: 13px; }

.axis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.branch { background: #201812; border: 1px solid rgba(110, 139, 116, .5); border-radius: var(--hud); padding: 14px; min-height: 220px; }
.branch ul { margin: 8px 0 12px; padding-left: 18px; }
.branch a { color: var(--copper-2); }

.miles { margin-left: 10px; border-left: 2px solid var(--copper); display: flex; flex-direction: column; gap: 14px; }
.node { position: relative; margin-left: 18px; background: #fffdf8; border-radius: var(--card); padding: 14px 16px; border: 1px solid rgba(110, 139, 116, .4); box-shadow: var(--shadow); }
.node::before { content: ""; position: absolute; left: -25px; top: 18px; width: 12px; height: 12px; border-radius: 50%; background: var(--moss); border: 2px solid var(--copper); }

.reel { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.pick { scroll-snap-align: start; min-width: 240px; max-width: 260px; background: #241911; color: var(--light); border-radius: var(--card); border: 1px solid rgba(196, 106, 46, .45); box-shadow: var(--shadow); overflow: hidden; }
.swatch { height: 112px; display: grid; place-items: center; font-size: 32px; color: var(--ink); }
.pick .pad { padding: 12px 14px 16px; }
.pick a { color: var(--copper-2); }
.s1 { background: #C46A2E; } .s2 { background: #6E8B74; } .s3 { background: #A3988C; } .s4 { background: #E2A36A; }
.s5 { background: #8C5A38; } .s6 { background: #4E6A58; } .s7 { background: #D8CBBA; } .s8 { background: #C4895A; }

.news { display: flex; flex-direction: column; border: 1px solid rgba(196, 106, 46, .35); border-radius: var(--card); overflow: hidden; background: #fffdf8; }
.news-row { display: grid; grid-template-columns: 120px 1fr auto; gap: 10px; align-items: center; padding: 14px 16px; border-bottom: 1px solid rgba(163, 152, 140, .35); }
.news-row:hover { background: rgba(196, 106, 46, .08); }
.more-row { padding: 14px 16px; }

.ver-block { border: 1px solid rgba(110, 139, 116, .45); border-radius: var(--hud); padding: 14px 16px; margin-bottom: 12px; background: rgba(255, 253, 248, .72); }
.ver-block h3 { color: var(--copper); }
.ver-block ol { margin: 0; padding-left: 18px; }
.ver-block a { color: #8A4518; }

.bars { display: grid; grid-template-columns: 1.1fr .9fr 1.25fr; gap: 12px; align-items: end; }
.bar { background: #241911; border: 1px solid rgba(196, 106, 46, .5); border-radius: var(--hud); padding: 16px; }
.bar.tall { min-height: 250px; } .bar.mid { min-height: 210px; } .bar.short { min-height: 170px; }

.steps { display: grid; gap: 10px; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: start; background: #fffdf8; border-radius: var(--card); border: 1px solid rgba(110, 139, 116, .4); padding: 12px; }
.step i { font-style: normal; display: grid; place-items: center; height: 48px; background: var(--ink); color: var(--copper-2); border-radius: var(--hud); }
.step a { color: #8A4518; }

.qa, .faq { display: grid; gap: 10px; }
details { border: 1px solid rgba(196, 106, 46, .4); border-radius: var(--card); padding: 12px 14px; background: #fffdf8; }
summary { cursor: pointer; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "＋"; float: right; color: var(--copper); }
details[open] summary::after { content: "－"; }
details p { margin: 10px 0 0; }

.form-card { background: var(--paper); color: var(--text); border-radius: var(--card); padding: 22px; border: 1px solid rgba(196, 106, 46, .45); box-shadow: var(--shadow); max-width: 760px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field textarea { min-height: 120px; resize: vertical; }
.ok { margin-top: 12px; padding: 10px 12px; border-radius: var(--hud); background: rgba(110, 139, 116, .18); border: 1px solid var(--moss); }
.err { color: #8A3B16; min-height: 1.4em; font-size: 14px; }

.footer { background: #140f0c; color: #E7D9CB; border-top: 1px solid rgba(196, 106, 46, .4); padding: 28px 0 36px; }
.footer a:hover { color: var(--copper-2); }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }

body[data-ver="serial"] .only-compare { display: none; }
body[data-ver="compare"] .only-serial { display: none; }

@media (max-width: 1280px) {
  .wrap { width: min(1040px, calc(100% - 28px)); }
}
@media (max-width: 1024px) {
  .with-side { margin-left: 0; }
  .menu-btn { display: inline-flex; }
  .sidecat { transform: translateX(-105%); transition: transform .2s ease; width: min(86vw, 320px); }
  .sidecat.open { transform: none; }
  .board-grid, .compare, .axis, .bars, .zone-grid { grid-template-columns: 1fr; grid-template-areas: none; }
  .z1, .z2, .z3, .z4 { grid-area: auto; min-height: 140px; }
  .pack { display: flex; flex-direction: column; border-left: 2px solid var(--copper); margin-left: 6px; padding-left: 12px; }
  .road { grid-template-columns: 1fr; border-top: 0; border-left: 2px solid var(--copper); }
  .station { border-right: 0; border-bottom: 1px solid rgba(163, 152, 140, .3); }
  .metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sec { padding: 52px 0; }
  .top-search { display: none; position: absolute; left: 12px; right: 12px; top: var(--top); z-index: 45; }
  .top-search.show { display: block; }
  .search-btn { display: inline-flex; }
  .news-row, .fields, .step, .foot-grid { grid-template-columns: 1fr; }
  h1 { font-size: 30px; }
}
@media (max-width: 640px) {
  .top-links, .ver-switch, .lang-switch { display: none; }
  .drawer-links { display: grid; }
  .drawer-tools { display: flex; flex-wrap: wrap; }
  .metrics { grid-template-columns: 1fr; }
  .brand strong { font-size: 14px; }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 20px); }
  .countbar { align-items: flex-start; }
  .pick { min-width: 82%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
  --ink: #1C1612;
  --ink-2: #2A211C;
  --copper: #C46A2E;
  --copper-2: #E2A36A;
  --moss: #6E8B74;
  --paper: #F4EDE3;
  --paper-2: #E7DCCF;
  --fog: #A3988C;
  --text: #241C16;
  --muted: #5C5148;
  --light: #F4EDE3;
  --top: 68px;
  --side: 268px;
  --hud: 2px;
  --card: 16px;
  --shadow: 0 12px 28px rgba(28, 22, 18, .16);
  --line: 1.85;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  color: var(--text);
  background: var(--ink);
  line-height: var(--line);
  font-size: 16px;
}
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background-image: none; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1.2em; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; margin: 0 0 12px; }
h1 { font-size: 34px; letter-spacing: .01em; }
h2 { font-size: 26px; }
h3 { font-size: 18px; margin-bottom: 8px; }
:focus-visible { outline: 2px solid var(--moss); outline-offset: 2px; }
[hidden] { display: none !important; }
.topbar {
  position: sticky; top: 0; z-index: 60; height: var(--top);
  background: var(--ink); color: var(--light);
  border-bottom: 1px solid rgba(196, 106, 46, .45);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}
.topbar-inner { height: 100%; display: flex; align-items: center; gap: 14px; width: min(1440px, calc(100% - 28px)); margin: 0 auto; }
.brand { display: flex; flex-direction: column; line-height: 1.15; min-width: 148px; color: var(--light); }
.brand strong { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
.brand small { color: var(--copper-2); font-size: 12px; }
.top-links { display: flex; align-items: center; gap: 4px; }
.top-links a, .drawer-links a {
  padding: 8px 12px; border-radius: var(--hud); color: var(--light); border: 1px solid transparent;
}
.top-links a:hover, .drawer-links a:hover { border-color: var(--copper); color: var(--copper-2); }
.top-links a[aria-current="page"], .drawer-links a[aria-current="page"] { background: rgba(110, 139, 116, .2); box-shadow: inset 0 -2px 0 var(--copper); }
.top-search { flex: 1; min-width: 140px; position: relative; }
.top-search input, .field input, .field textarea {
  width: 100%; background: var(--ink-2); color: var(--light);
  border: 1px solid rgba(196, 106, 46, .55); border-radius: var(--hud); padding: 10px 12px;
}
.field input, .field textarea { background: #fffdf8; color: var(--text); }
.top-search input { color-scheme: dark; }
.top-search input:focus, .field input:focus, .field textarea:focus, .opt:focus-within { outline: 2px solid var(--moss); outline-offset: 2px; border-color: var(--moss); }
.search-stat { position: absolute; left: 0; top: calc(100% + 6px); font-size: 12px; color: var(--copper-2); background: var(--ink); padding: 2px 6px; border-radius: var(--hud); }
.search-stat:empty { display: none; }
.ver-switch, .lang-switch, .drawer-tools { display: flex; gap: 6px; }
.chip, .icon-btn {
  background: transparent; color: var(--light); border: 1px solid rgba(196, 106, 46, .7);
  border-radius: var(--hud); padding: 7px 10px; cursor: pointer; line-height: 1.2;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.chip[aria-pressed="true"] { background: var(--copper); color: var(--ink); border-color: var(--copper); }
.chip:hover, .icon-btn:hover { border-color: var(--copper-2); transform: translateY(-1px); }
.search-btn, .menu-btn { display: none; }
.icon-btn { min-width: 40px; }
.shell { min-height: calc(100vh - var(--top)); }
.sidecat {
  position: fixed; top: var(--top); left: 0; bottom: 0; width: var(--side); z-index: 45;
  background: var(--ink-2); color: var(--light);
  border-right: 1px solid rgba(196, 106, 46, .45);
  padding: 18px 14px 28px; overflow: auto;
}
.sidecat::-webkit-scrollbar { width: 8px; }
.sidecat::-webkit-scrollbar-thumb { background: var(--moss); border-radius: 2px; }
.side-label { color: var(--copper-2); font-size: 12px; letter-spacing: .12em; margin: 6px 10px 8px; }
.toc a {
  display: block; padding: 8px 10px 8px 12px; border-radius: var(--hud); color: #E4D8CC; font-size: 14px;
}
.toc a:hover { background: rgba(196, 106, 46, .12); }
.toc a.is-current { background: rgba(110, 139, 116, .22); box-shadow: inset 3px 0 0 var(--copper); color: var(--light); }
.drawer-links, .drawer-tools { display: none; margin-bottom: 12px; }
.drawer-links { gap: 6px; }
.page-main { margin-left: var(--side); background: var(--paper); min-height: calc(100vh - var(--top)); }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.sec { padding: 64px 0; position: relative; }
.sec + .sec { border-top: 1px solid rgba(196, 106, 46, .28); }
.sec-paper { background: var(--paper); color: var(--text); }
.sec-sand { background: var(--paper-2); color: var(--text); }
.sec-mid { background: linear-gradient(180deg, #1C1612 0%, #2A211C 100%); color: var(--light); }
.sec-mid .muted, .sec-board .muted { color: #C8B8A8; }
#pagehead { padding-top: 36px; padding-bottom: 48px; }
.lead { max-width: 40em; line-height: 1.85; margin: 8px 0 0; }
.kicker { color: var(--copper); font-size: 13px; letter-spacing: .14em; margin: 0 0 8px; }
.dochead { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: end; }
.dochead::before {
  content: ""; position: absolute; right: 150px; top: -8px; width: 160px; height: 78px; pointer-events: none; opacity: .35;
  background-image: linear-gradient(rgba(196,106,46,.45) 1px, transparent 1px), linear-gradient(90deg, rgba(196,106,46,.45) 1px, transparent 1px);
  background-size: 16px 16px;
}
.count-box {
  min-width: 148px; border: 1px solid var(--moss); border-radius: var(--hud); background: #fffdf8;
  box-shadow: var(--shadow); padding: 14px 16px 12px; position: relative; z-index: 1;
}
.count-box strong {
  display: block; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums; font-size: 40px; line-height: 1; color: var(--ink);
}
.count-box span { color: var(--muted); font-size: 13px; }
.badge, .tag {
  display: inline-flex; align-items: center; gap: 6px; border-radius: var(--hud);
  padding: 3px 8px; font-size: 12px; border: 1px solid var(--moss); color: var(--moss); letter-spacing: .04em;
  background: transparent;
}
.tag-copper { border-color: var(--copper); color: var(--copper); }
.tag-fog { border-color: var(--fog); color: var(--muted); }
.tag-ink { border-color: var(--ink); color: var(--ink); }
.sec-mid .tag-ink { color: var(--light); border-color: var(--fog); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.btn, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px;
  border-radius: var(--hud); border: 1px solid var(--copper); cursor: pointer; font-weight: 700;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.btn { background: var(--copper); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--copper); }
.sec-mid .btn-ghost, .sec-board .btn-ghost { color: var(--copper-2); }
.btn:hover, .btn-ghost:hover { transform: translateY(-2px); border-color: #F0C09A; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
.btn:active, .btn-ghost:active { transform: translateY(0); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 14px; align-items: stretch; }
.filter-bar fieldset {
  border: 1px solid rgba(36, 28, 22, .16); border-radius: var(--card); margin: 0;
  padding: 12px 14px 14px; background: rgba(255, 253, 248, .72);
}
.filter-bar fieldset:nth-child(1) { flex: 1.15 1 220px; }
.filter-bar fieldset:nth-child(2) { flex: 1.45 1 280px; }
.filter-bar fieldset:nth-child(3) { flex: .9 1 200px; }
.filter-bar legend { font-weight: 700; font-size: 14px; color: var(--muted); padding: 0 6px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt {
  position: relative; border: 1px solid transparent; border-radius: var(--hud); padding: 6px 10px; cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.opt:hover { transform: translateY(-2px); border-color: var(--copper-2); }
.opt:has(input:checked) { border-color: var(--copper); background: #fff; color: var(--ink); box-shadow: inset 0 -2px 0 var(--copper); }
.opt input { position: absolute; opacity: 0; inset: 0; }
.entry-list { display: flex; flex-direction: column; }
.entry {
  display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; align-items: start;
  padding: 18px 4px; border-bottom: 1px solid rgba(163, 152, 140, .45);
}
.entry:hover { background: rgba(196, 106, 46, .08); }
.entry:focus-within { box-shadow: inset 3px 0 0 var(--copper); }
.entry-wide {
  background: #fffdf8; border: 1px solid rgba(196, 106, 46, .45); border-radius: var(--card);
  padding: 18px; margin: 14px 0; box-shadow: var(--shadow); border-bottom: 1px solid rgba(196, 106, 46, .45);
}
.entry-no { display: flex; flex-direction: column; gap: 4px; padding-top: 2px; }
.entry-no b, .bucket b, .path-idx {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.entry-no b { color: var(--copper); font-size: 20px; line-height: 1; }
.entry-no i { font-style: normal; color: var(--muted); font-size: 13px; }
.entry h3 a, .rel-list a, .path-copy a.inline { color: #8A4518; text-decoration: underline; text-underline-offset: 3px; }
.entry h3 a:hover, .rel-list a:hover { color: var(--copper); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.entry p, .path-copy p, .rel-list p, .acc p, .rhythm-copy p { max-width: 42em; }
.empty-tip { padding: 28px 8px; color: var(--muted); }
.rhythm-grid, .revisit-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: end; }
.revisit-grid { align-items: start; }
.buckets { display: flex; align-items: flex-end; gap: 18px; min-height: 180px; padding: 12px 8px 0; border-bottom: 1px solid rgba(226, 163, 106, .45); }
.bucket { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.bucket i { display: block; width: 100%; max-width: 72px; border-radius: 2px 2px 0 0; background: var(--copper); box-shadow: 0 8px 16px rgba(0,0,0,.18); }
.bucket.w4 i { height: 112px; }
.bucket.w2 i { height: 56px; background: var(--moss); }
.bucket b { color: var(--copper-2); font-size: 22px; line-height: 1; }
.bucket small { color: #E7D9CB; }
.path-list { list-style: none; margin: 18px 0 0; padding: 0; }
.path-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 16px; position: relative; padding-bottom: 22px; }
.path-list li::before { content: ""; position: absolute; left: 27px; top: 58px; bottom: 0; width: 1px; background: var(--copper); }
.path-list li:last-child::before { display: none; }
.path-idx {
  width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid var(--copper);
  border-radius: var(--hud); background: #fffdf8; color: var(--ink); position: relative; z-index: 1;
}
.rel-list { list-style: none; margin: 8px 0 0; padding: 0; }
.rel-list li {
  display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 8px 18px; align-items: start;
  padding: 16px 0; border-bottom: 1px solid rgba(163, 152, 140, .4);
}
.rel-list time { color: var(--copper); font-variant-numeric: tabular-nums; padding-top: 2px; }
.rel-list p { color: var(--muted); margin: 6px 0 0; }
.acc-list { display: grid; gap: 10px; }
.acc { border: 1px solid rgba(196, 106, 46, .45); border-radius: var(--card); background: #fffdf8; padding: 0 16px; }
.acc summary { cursor: pointer; min-height: 54px; display: flex; align-items: center; font-weight: 700; list-style: none; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "＋"; margin-left: auto; color: var(--copper); font-weight: 700; }
.acc[open] summary::after { content: "－"; }
.acc[open] { box-shadow: var(--shadow); border-color: var(--copper); }
.acc p { color: var(--muted); padding-bottom: 8px; }
.form-card { background: var(--paper); color: var(--text); border-radius: var(--card); padding: 22px; border: 1px solid rgba(196, 106, 46, .45); box-shadow: var(--shadow); border-top: 3px solid var(--copper); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.field.full { grid-column: 1 / -1; }
.field span { color: var(--muted); }
.field textarea { min-height: 120px; resize: vertical; }
.form-ok { border: 1px solid var(--moss); background: rgba(110, 139, 116, .15); border-radius: var(--card); padding: 18px; }
.form-ok strong { color: var(--ink); }
.scrim { position: fixed; inset: var(--top) 0 0 0; background: rgba(20, 15, 12, .55); z-index: 40; }
.footer { background: #140f0c; color: #E7D9CB; border-top: 1px solid rgba(196, 106, 46, .4); padding: 28px 0 36px; }
.footer.with-side { margin-left: var(--side); }
.footer a:hover { color: var(--copper-2); }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; }
.sub { color: var(--fog); margin: 8px 0; }
body[data-ver="serial"] .only-compare { display: none; }
body[data-ver="compare"] .only-serial { display: none; }
@media (max-width: 1280px) {
  .chip { padding: 6px 8px; }
  .brand { min-width: 128px; }
  h1 { font-size: 30px; }
}
@media (max-width: 1024px) {
  .menu-btn, .search-btn { display: inline-flex; }
  .top-links, .ver-switch, .lang-switch { display: none; }
  .top-search { display: none; position: absolute; left: 12px; right: 12px; top: var(--top); z-index: 70; }
  .top-search.show { display: block; }
  .sidecat { transform: translateX(-110%); transition: transform .2s ease; width: min(86vw, 320px); }
  .sidecat.open { transform: none; }
  .page-main, .footer.with-side { margin-left: 0; width: auto; }
  .drawer-links { display: grid; }
  .drawer-tools { display: flex; flex-wrap: wrap; }
  .rhythm-grid, .revisit-grid, .dochead { grid-template-columns: 1fr; }
  .dochead::before { right: 0; }
}
@media (max-width: 768px) {
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .sec { padding: 48px 0; }
  .news-row, .fields, .step, .foot-grid, .rel-list li { grid-template-columns: 1fr; }
  .buckets { gap: 10px; }
}
@media (max-width: 640px) {
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .sec { padding: 40px 0; }
  .entry, .path-list li, .fields, .foot-grid { grid-template-columns: 1fr; }
  .path-list li::before { left: 27px; }
  .count-box { width: fit-content; }
  .topbar-inner { gap: 8px; width: calc(100% - 16px); }
  .brand { min-width: 0; }
  .brand strong { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}