/* ==========================================================================
   金赢服务 · 共享样式表 /assets/site.css
   深墨蓝装订脊 + 鎏金刻度 + 纸感阅读区
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 9rem;
}

body,
h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video { display: block; max-width: 100%; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #0B1F33;
  --ink-deep: #08182A;
  --navy: #122E4A;
  --mist: #F5F2EA;
  --paper: #E6DFD0;
  --gold: #C9A24A;
  --amber: #E6A23C;
  --jade: #6FAF9E;
  --graphite: #26313B;
  --celadon: #A9C6BF;

  --line-gold: rgba(201, 162, 74, 0.36);
  --line-soft: rgba(169, 198, 191, 0.22);
  --line-ink: rgba(38, 49, 59, 0.14);

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --max: 1280px;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --cut: 20px;
  --radius: 0;
}

/* ---------- 3. Base typography ---------- */
body {
  background-color: var(--mist);
  color: var(--graphite);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.35vw + 0.94rem, 1.125rem);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--ink);
}

h1 { font-size: clamp(2.25rem, 6vw, 4.5rem); font-weight: 300; letter-spacing: 0.02em; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 1.4vw, 1.5rem); }
h4 { font-size: 1.0625rem; letter-spacing: 0.06em; }

p { max-width: 72ch; }

strong { font-weight: 600; color: var(--ink); }

::selection { background: var(--gold); color: var(--ink); }

/* ---------- 4. Utilities ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

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

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 74, 0));
  margin-block: clamp(1.5rem, 3vw, 2.5rem);
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 120;
  transform: translate(-50%, -130%);
  background: var(--amber);
  color: var(--ink);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--ink);
  transition: transform 0.18s var(--ease);
}
.skip-link:focus {
  transform: translate(-50%, 0);
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 5. Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
              border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--amber), inset 0 0 0 4px rgba(11, 31, 51, 0.35);
}
.btn:active { transform: translateY(1px); }

.btn--gold { background: var(--gold); color: var(--ink); font-weight: 500; }
.btn--gold:hover { background: #D8B25F; }

.btn--amber { background: var(--amber); color: var(--ink); font-weight: 500; }
.btn--amber:hover { background: #F0B355; }
.btn--amber:active { background: #CF8B28; }

.btn--jade { background: var(--jade); color: var(--ink); font-weight: 500; }
.btn--jade:hover { background: #85C3B3; }

.btn--ghost {
  border-color: rgba(169, 198, 191, 0.45);
  color: var(--mist);
  background: rgba(169, 198, 191, 0.04);
}
.btn--ghost:hover {
  border-color: var(--celadon);
  background: rgba(111, 175, 158, 0.16);
  color: var(--mist);
}

.btn--sm {
  min-height: 44px;
  padding: 0.45rem 0.95rem;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
}

.btn--block { width: 100%; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink);
  color: var(--mist);
  border-bottom: 1px solid var(--line-gold);
}

.header-rail {
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(169, 198, 191, 0.14);
  overflow: hidden;
  max-height: 6rem;
  transition: max-height 0.28s var(--ease);
}

.rail-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  min-height: 2.25rem;
  padding-block: 0.25rem;
}

.rail-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  max-width: none;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.rail-meta .mono { color: var(--gold); font-size: 0.75rem; }

.rail-meta--end { color: rgba(169, 198, 191, 0.7); }

.rail-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
}

.header-main {
  position: relative;
  background: var(--ink);
  background-image: linear-gradient(180deg, rgba(18, 46, 74, 0.55), rgba(11, 31, 51, 0));
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
  transition: min-height 0.24s var(--ease);
}

.site-header[data-compact="true"] .header-rail { max-height: 0; }
.site-header[data-compact="true"] .header-inner { min-height: 3.5rem; }

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding-block: 0.35rem;
  flex-shrink: 0;
}
.brand:focus-visible { outline-offset: 6px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.375rem;
  height: 2.375rem;
  flex-shrink: 0;
  border: 1px solid var(--gold);
  background: rgba(201, 162, 74, 0.09);
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.1875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.brand-version {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--celadon);
  text-transform: uppercase;
}

/* Navigation */
.site-nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.7rem);
}

.nav-item { display: block; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.4rem 0;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 234, 0.82);
  transition: color 0.18s var(--ease);
}

.nav-index {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  opacity: 0.7;
  transition: opacity 0.18s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.5rem;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--mist); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link:hover .nav-index { opacity: 1; }

.nav-link[aria-current="page"] { color: var(--gold); }
.nav-link[aria-current="page"] .nav-index { color: var(--amber); opacity: 1; }

.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -0.6rem;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: translateY(-50%) rotate(45deg);
}

/* Nav toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line-gold);
  color: var(--mist);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); background: rgba(201, 162, 74, 0.1); }
.nav-toggle:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.nav-toggle-bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle-bars span {
  display: block;
  height: 1px;
  background: var(--gold);
  transition: transform 0.2s var(--ease);
}

.nav-toggle-text { line-height: 1; }

/* Quick path bar */
.quickbar {
  border-top: 1px solid rgba(230, 162, 60, 0.24);
  background: linear-gradient(90deg, rgba(230, 162, 60, 0.16), rgba(18, 46, 74, 0.85) 55%, rgba(11, 31, 51, 0.95));
}

.quickbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding-block: 0.45rem;
}

.quickbar-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: none;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}

.quickbar-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(230, 162, 60, 0.2);
}

.quickbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Progress */
.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  pointer-events: none;
}

.header-progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--jade), var(--gold) 55%, var(--amber));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.08s linear;
}

/* ---------- 7. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--ink);
  color: rgba(245, 242, 234, 0.78);
  border-top: 1px solid var(--line-gold);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--jade) 42%, rgba(111, 175, 158, 0) 88%);
}

.footer-top { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.4fr 1fr;
  gap: clamp(1.75rem, 3.5vw, 3rem);
  align-items: start;
}

.footer-brand { display: grid; gap: 1rem; align-content: start; }

.brand--footer { padding-block: 0; }

.footer-note {
  max-width: 34ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.66);
}

.footer-stamp {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--celadon);
  border-left: 1px solid var(--line-gold);
  padding-left: 0.7rem;
}

.footer-col { display: grid; gap: 0.75rem; align-content: start; }

.footer-title {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(169, 198, 191, 0.18);
}

.footer-list { display: grid; gap: 0.55rem; }

.footer-link {
  position: relative;
  display: inline-block;
  padding: 0.15rem 0;
  font-size: 0.9375rem;
  color: rgba(245, 242, 234, 0.8);
  transition: color 0.18s var(--ease);
}

.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.05rem;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible { color: var(--mist); }
.footer-link:hover::after,
.footer-link:focus-visible::after { transform: scaleX(1); }

.footer-contact { display: grid; gap: 0.85rem; }

.footer-contact-item { display: grid; gap: 0.1rem; }

.footer-contact-term {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--celadon);
}

.footer-contact-value {
  font-size: 0.9375rem;
  color: rgba(245, 242, 234, 0.88);
  overflow-wrap: anywhere;
}

.footer-icp {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(169, 198, 191, 0.85);
}
a.footer-icp { transition: color 0.18s var(--ease); }
a.footer-icp:hover { color: var(--gold); }

.footer-bottom { border-top: 1px solid rgba(169, 198, 191, 0.16); }

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  padding-block: 1.25rem;
  font-size: 0.8125rem;
  color: rgba(245, 242, 234, 0.58);
}

.footer-copy { max-width: none; font-size: 0.8125rem; }

.footer-legal-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}

.footer-legal-link {
  position: relative;
  color: rgba(245, 242, 234, 0.7);
  font-size: 0.8125rem;
  transition: color 0.18s var(--ease);
}
.footer-legal-link:hover,
.footer-legal-link:focus-visible { color: var(--amber); }

/* Back to top */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  background: var(--ink);
  color: var(--gold);
  border: 1px solid var(--line-gold);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
              visibility 0.2s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover { color: var(--amber); border-color: var(--amber); }
.to-top:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--amber); }

.to-top-glyph { font-family: var(--sans); font-size: 0.875rem; line-height: 1; }

/* ---------- 8. Section scaffolding ---------- */
.section {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.section--dark { background: var(--ink); color: var(--mist); }
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--mist); }

.section--paper { background: var(--paper); }

.section-head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  padding-bottom: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line-ink);
}

.section--dark .section-head { border-bottom-color: rgba(169, 198, 191, 0.22); }

.section-index {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: var(--ink);
}

.section--dark .section-title { color: var(--mist); }

.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jade);
}

.lede {
  max-width: 56ch;
  font-size: clamp(1.0625rem, 1.2vw, 1.25rem);
  line-height: 1.7;
  color: rgba(38, 49, 59, 0.82);
}

.section--dark .lede { color: rgba(245, 242, 234, 0.82); }

/* ---------- 9. Grid ---------- */
.grid { display: grid; gap: clamp(1rem, 2.4vw, 2rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--aside {
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

/* ---------- 10. Panels & tags ---------- */
.panel {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--mist);
  border: 1px solid var(--line-ink);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.panel--cut {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.panel--dark {
  background: var(--navy);
  border-color: rgba(169, 198, 191, 0.22);
  color: var(--mist);
}
.panel--dark h2,
.panel--dark h3,
.panel--dark h4 { color: var(--mist); }

.panel:hover { border-color: var(--line-gold); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  line-height: 1.6;
  background: var(--jade);
  color: var(--ink);
  border: 1px solid var(--jade);
}

.tag--gold {
  background: rgba(201, 162, 74, 0.16);
  color: #6F5418;
  border-color: rgba(201, 162, 74, 0.55);
}

.tag--jade {
  background: rgba(111, 175, 158, 0.18);
  color: #22594C;
  border-color: rgba(111, 175, 158, 0.6);
}

.tag--outline {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
}

/* ---------- 11. Media frames (image placeholders for page stage) ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--navy);
  border: 1px solid var(--line-ink);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(140deg, rgba(201, 162, 74, 0.16), rgba(11, 31, 51, 0) 48%),
    radial-gradient(circle at 82% 92%, rgba(11, 31, 51, 0.34), rgba(11, 31, 51, 0) 62%);
}

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--fill { height: 100%; aspect-ratio: auto; }

.media-frame--frame {
  background:
    repeating-linear-gradient(45deg, rgba(245, 242, 234, 0.07) 0 1px, rgba(245, 242, 234, 0) 1px 12px),
    linear-gradient(160deg, var(--navy), var(--ink));
}

.media-caption {
  margin-top: 0.65rem;
  max-width: none;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(38, 49, 59, 0.6);
}
.media-caption--on-dark { color: rgba(245, 242, 234, 0.6); }

/* ---------- 12. Breadcrumb ---------- */
.breadcrumb {
  padding-block: 1rem;
  border-bottom: 1px solid var(--line-ink);
  background: var(--mist);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(38, 49, 59, 0.6);
}

.breadcrumb-link {
  color: var(--navy);
  transition: color 0.18s var(--ease);
}
.breadcrumb-link:hover,
.breadcrumb-link:focus-visible { color: var(--gold); }

.breadcrumb-sep { color: var(--gold); }

.breadcrumb-list [aria-current="page"] { color: var(--graphite); }

/* ---------- 13. Prose ---------- */
.prose {
  max-width: 68ch;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  margin-top: 2.2em;
  padding-top: 0.9em;
  border-top: 1px solid var(--line-ink);
}

.prose h3 { margin-top: 1.8em; font-size: 1.125rem; }

.prose ul,
.prose ol {
  padding-left: 1.25em;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }

.prose a {
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.prose a:hover { color: var(--gold); }

.prose blockquote {
  padding: 0.75rem 0 0.75rem 1.25rem;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: 1.125rem;
  color: var(--navy);
}

/* ---------- 14. Responsive ---------- */
@media (max-width: 1100px) {
  .nav-list { gap: 0.75rem; }
  .nav-link { font-size: 0.875rem; }
  .nav-index { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.3fr 1fr; gap: 1.5rem; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 12rem; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    background: var(--navy);
    border-top: 1px solid var(--line-gold);
    border-bottom: 1px solid var(--line-gold);
    box-shadow: 0 20px 44px rgba(8, 24, 42, 0.55);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.26s var(--ease);
  }

  .site-header[data-open="true"] .site-nav { max-height: 32rem; }

  .nav-list {
    display: block;
    padding: 0.5rem var(--pad) 1rem;
  }

  .nav-item { border-bottom: 1px solid rgba(169, 198, 191, 0.16); }
  .nav-item:last-child { border-bottom: 0; }

  .nav-link {
    display: flex;
    width: 100%;
    padding: 0.95rem 0;
    font-size: 1rem;
  }
  .nav-link::after { display: none; }
  .nav-index { display: inline; font-size: 0.6875rem; }
  .nav-link[aria-current="page"]::before { left: auto; right: 0.25rem; }

  .site-header[data-open="true"] .nav-toggle-bars span:first-child {
    transform: translateY(2.5px) rotate(45deg);
  }
  .site-header[data-open="true"] .nav-toggle-bars span:last-child {
    transform: translateY(-2.5px) rotate(-45deg);
  }

  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--aside { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .header-inner { min-height: 3.75rem; gap: 0.75rem; }
  .site-header[data-compact="true"] .header-inner { min-height: 3.25rem; }

  .brand-name { font-size: 1.0625rem; letter-spacing: 0.14em; }
  .brand-version { font-size: 0.5625rem; }
  .brand-mark { width: 2.125rem; height: 2.125rem; font-size: 0.9375rem; }

  .rail-meta { font-size: 0.6875rem; letter-spacing: 0.1em; }
  .rail-meta--end { display: none; }

  .quickbar-inner { justify-content: space-between; }
  .quickbar-label { font-size: 0.625rem; letter-spacing: 0.16em; }
  .quickbar-actions { gap: 0.4rem; }
  .quickbar-actions .btn { padding-inline: 0.7rem; font-size: 0.75rem; letter-spacing: 0.06em; }

  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-bottom-inner { justify-content: flex-start; }
  .to-top { right: 0.75rem; bottom: 0.75rem; padding-inline: 0.75rem; }
}

/* ---------- 15. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .to-top { transform: none; }
}