/* =========================================================
   韦德亚洲站 · 共享样式 /assets/site.css
   高原工坊 × 数字档案室
   ========================================================= */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
a { color: var(--jade); text-decoration: none; }
a:hover { color: var(--red-clay); }
table { border-collapse: collapse; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

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

:focus-visible {
  outline: 2px solid var(--sun);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 变量 ---------- */
:root {
  --red-clay: #B03A1F;
  --jade: #0F7A5C;
  --ink: #132437;
  --sun: #E9A93C;
  --stone: #6B7076;
  --cream: #F5F0E6;
  --clay-light: #C8764F;
  --moss: #0A5443;
  --paper: #EADFC8;
  --white: #FFFFFF;

  --text: #1B2B3C;
  --text-soft: #55606B;
  --line: rgba(19, 36, 55, 0.14);
  --line-strong: rgba(19, 36, 55, 0.30);
  --line-inverse: rgba(245, 240, 230, 0.20);

  --shadow-1: 0 1px 2px rgba(19, 36, 55, 0.05), 0 10px 26px -20px rgba(19, 36, 55, 0.45);
  --shadow-2: 0 2px 5px rgba(19, 36, 55, 0.07), 0 22px 44px -26px rgba(19, 36, 55, 0.55);

  --radius: 2px;
  --radius-lg: 4px;
  --maxw: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "IBM Plex Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- 通用工具 ---------- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--ink);
  color: var(--cream);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  transition: top 160ms var(--ease);
}
.skip-link:focus {
  top: 12px;
  color: var(--sun);
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 页头 ---------- */
.site-header {
  position: relative;
  z-index: 60;
  background: var(--cream);
  border-top: 4px solid var(--red-clay);
  border-bottom: 1px solid var(--line-strong);
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  height: 3px;
  width: 0;
  z-index: 300;
  pointer-events: none;
  background: linear-gradient(90deg, var(--red-clay), var(--clay-light) 45%, var(--sun));
  transition: width 120ms linear;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 16px var(--gutter) 14px;
}

.masthead__wing {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.masthead__wing--start { justify-content: flex-start; }
.masthead__wing--end { justify-content: flex-end; }

.masthead__entity {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--stone);
  white-space: nowrap;
}

.quarter-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  white-space: nowrap;
}
.quarter-badge__label { color: var(--stone); }
.quarter-badge__value { color: var(--red-clay); font-weight: 700; }

.brandmark {
  display: block;
  text-align: center;
  color: var(--ink);
}
.brandmark__name {
  display: block;
  font-size: clamp(21px, 2.5vw, 30px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0.08em;
  color: var(--ink);
  transition: color 180ms var(--ease);
}
.brandmark:hover .brandmark__name { color: var(--red-clay); }
.brandmark__sub {
  display: block;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.masthead__phone {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
  white-space: nowrap;
}
.masthead__phone-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--stone);
}
.masthead__phone-num {
  font-size: 13px;
  color: var(--ink);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}
.nav-toggle:hover { border-color: var(--jade); color: var(--jade); }
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}
.nav-toggle.is-open .nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 主导航 */
.mainnav {
  background: var(--ink);
  border-top: 1px solid var(--line-inverse);
}
.nav-list {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: clamp(2px, 1.4vw, 16px);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0 var(--gutter);
  overflow-x: auto;
  scrollbar-width: thin;
}
.nav-list__item { flex: 0 0 auto; }

.nav-link {
  position: relative;
  display: block;
  padding: 13px 12px 14px;
  font-size: 14.5px;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 230, 0.84);
  white-space: nowrap;
  transition: color 160ms var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  background: var(--sun);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 160ms var(--ease);
}
.nav-link:hover { color: var(--sun); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--sun); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}
.btn--primary {
  background: var(--red-clay);
  color: var(--white);
  border-color: var(--red-clay);
}
.btn--primary:hover { background: var(--clay-light); border-color: var(--clay-light); color: var(--white); }
.btn--primary:active { background: var(--moss); border-color: var(--moss); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--jade); color: var(--jade); }
.btn--onDark {
  background: transparent;
  color: var(--cream);
  border-color: var(--line-inverse);
}
.btn--onDark:hover { border-color: var(--sun); color: var(--sun); }
.btn--sm { padding: 8px 15px; font-size: 13px; letter-spacing: 0.04em; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--stone);
}
.breadcrumb a { color: var(--stone); border-bottom: 1px solid transparent; }
.breadcrumb a:hover { color: var(--jade); border-bottom-color: var(--jade); }
.breadcrumb__sep { opacity: 0.55; }

/* ---------- 章节与排版 ---------- */
.section { padding-block: clamp(48px, 7vw, 92px); }
.section--tight { padding-block: clamp(28px, 4vw, 48px); }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: var(--cream); }
.section--ink .section-title { color: var(--cream); }
.section--ink .eyebrow { color: var(--sun); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  margin-bottom: clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.section--ink .section-head { border-bottom-color: var(--line-inverse); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--red-clay);
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(23px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.section-note {
  font-size: 13.5px;
  color: var(--stone);
  max-width: 34em;
  line-height: 1.7;
}

.display {
  font-size: clamp(36px, 6vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.lead {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.72;
  color: var(--text-soft);
  max-width: 36em;
}

.prose { max-width: 36em; font-size: 17px; line-height: 1.8; color: var(--text); }
.prose p + p { margin-top: 1em; }
.prose h2, .prose h3 {
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink);
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}
.prose h2 { font-size: 24px; }
.prose h3 { font-size: 19px; }
.prose ul { margin: 1em 0; padding-left: 1.1em; list-style: none; }
.prose li { position: relative; padding-left: 14px; margin-bottom: 0.45em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--red-clay);
}

.note-vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--stone);
  text-transform: uppercase;
}

/* ---------- 网格 ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }
.start-2 { grid-column-start: 2; }

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(16px, 2vw, 24px);
  box-shadow: var(--shadow-1);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-2); }
.card--paper { background: var(--paper); }
.card--ink { background: var(--ink); color: var(--cream); border-color: transparent; }
.card--ink .card__title { color: var(--cream); }
.card--raised { margin-top: -18px; box-shadow: var(--shadow-2); }

.card__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.card__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--stone);
  margin-bottom: 10px;
}
.card__body { margin-top: 10px; font-size: 14.5px; line-height: 1.72; color: var(--text-soft); }

/* ---------- 数字与状态 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--red-clay);
}
.stat__label {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.section--ink .stat__label { color: rgba(245, 240, 230, 0.72); }
.section--ink .stat__num { color: var(--sun); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--jade);
  background: transparent;
  white-space: nowrap;
}
.tag--jade { color: var(--jade); }
.tag--clay { color: var(--red-clay); }
.tag--sun { color: #8A5F10; border-color: var(--sun); background: rgba(233, 169, 60, 0.18); }
.tag--ink { color: var(--ink); }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone);
  margin-right: 7px;
  vertical-align: middle;
}
.status-dot--live { background: var(--jade); box-shadow: 0 0 0 3px rgba(15, 122, 92, 0.16); }
.status-dot--pending { background: var(--sun); }

/* ---------- 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-1);
}
.data-table {
  width: 100%;
  min-width: 660px;
  font-size: 14.5px;
}
.data-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--stone);
}
.data-table th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--paper);
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  background: var(--white);
}
.data-table tbody tr:nth-child(even) td { background: var(--paper); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table th:first-child,
.data-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  border-right: 1px solid var(--line);
}
.data-table th:first-child { z-index: 4; }
.data-table td:first-child { font-family: var(--font-mono); font-size: 13px; color: var(--ink); white-space: nowrap; }
.data-table tbody tr:hover td { background: rgba(200, 118, 79, 0.09); }

/* ---------- 清单 ---------- */
.checklist { display: grid; gap: 10px; }
.checklist__item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.checklist__item::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border: 1px solid var(--jade);
  background: rgba(15, 122, 92, 0.14);
}

/* ---------- 时间轴 ---------- */
.timeline {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 0 18px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}
.timeline__item {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  border-left: 2px solid var(--sun);
  padding: 4px 0 4px 16px;
}
.section--ink .timeline__item { border-left-color: var(--jade); }

/* ---------- 筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.filter-btn {
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}
.filter-btn:hover { border-color: var(--jade); color: var(--jade); }
.filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--sun);
}

/* ---------- 索引条 ---------- */
.index-rail {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}
.index-rail a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
  white-space: nowrap;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}
.index-rail a:hover { color: var(--jade); border-bottom-color: var(--jade); }
.index-rail a[aria-current="true"] { color: var(--red-clay); border-bottom-color: var(--red-clay); }

/* ---------- 图片容器 ---------- */
.figure { margin: 0; }
.figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow-1);
}
.figure__frame--wide { aspect-ratio: 21 / 9; }
.figure__frame--tall { aspect-ratio: 4 / 5; }
.figure__frame--square { aspect-ratio: 1 / 1; }
.figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--stone);
}
.section--ink .figure__caption { color: rgba(245, 240, 230, 0.7); }

/* ---------- 复制与提示 ---------- */
.copy-btn {
  padding: 3px 9px;
  border: 1px solid var(--line-inverse);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(245, 240, 230, 0.72);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}
.copy-btn:hover { border-color: var(--sun); color: var(--sun); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 400;
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--line-inverse);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.toast[data-visible] { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
.js [data-reveal][data-revealed] { opacity: 1; transform: none; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(245, 240, 230, 0.82);
  border-top: 4px solid var(--red-clay);
}

.footer-arch {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(20px, 3vw, 44px);
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(34px, 5vw, 60px) var(--gutter) clamp(26px, 3vw, 40px);
}

.footer-brand {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--cream);
}
.footer-desc {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(245, 240, 230, 0.68);
  max-width: 30em;
}
.footer-addr {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 230, 0.6);
}
.footer-icp {
  margin-top: 10px;
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--sun);
  border: 1px solid rgba(233, 169, 60, 0.4);
  border-radius: 999px;
  padding: 3px 10px;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cream);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line-inverse);
}

.footer-list { display: grid; gap: 9px; }
.footer-list a {
  font-size: 14px;
  color: rgba(245, 240, 230, 0.78);
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}
.footer-list a:hover { color: var(--sun); border-bottom-color: var(--sun); }
.footer-list--plain li {
  font-size: 14px;
  color: rgba(245, 240, 230, 0.66);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--line-inverse);
  background: var(--moss);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 18px var(--gutter) 22px;
  max-width: var(--maxw);
  margin-inline: auto;
}
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(245, 240, 230, 0.7);
}
.footer-meta__sep { opacity: 0.4; }
.footer-contact__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(245, 240, 230, 0.86);
}
.footer-contact__item .mono { font-size: 12.5px; }
.footer-contact__note { color: rgba(245, 240, 230, 0.55); }
.footer-meta a { color: rgba(245, 240, 230, 0.86); }
.footer-meta a:hover { color: var(--sun); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-arch { grid-template-columns: 1fr 1fr; }
  .span-3 { grid-column: span 6; }
}

@media (max-width: 860px) {
  .masthead {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    padding: 11px var(--gutter) 12px;
  }
  .masthead__entity,
  .masthead__phone { display: none; }
  .masthead__core { text-align: center; }
  .brandmark__sub { font-size: 9.5px; letter-spacing: 0.14em; }

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

  .mainnav {
    display: none;
    border-top: 1px solid var(--line-inverse);
  }
  .mainnav[data-open] {
    display: block;
    animation: navDrop 200ms var(--ease);
  }
  .nav-list {
    justify-content: flex-start;
    gap: 8px;
    padding: 12px var(--gutter) 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-link {
    padding: 8px 14px;
    border: 1px solid var(--line-inverse);
    border-radius: 999px;
    font-size: 13.5px;
    color: rgba(245, 240, 230, 0.84);
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] {
    border-color: var(--sun);
    color: var(--sun);
  }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9 {
    grid-column: span 6;
  }
  .start-2 { grid-column-start: 1; }
  .card--raised { margin-top: 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .brandmark__sub { display: none; }
  .quarter-badge { padding: 3px 8px; font-size: 10px; }
  .footer-arch { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 减少动效 ---------- */
@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;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .mainnav[data-open] { animation: none; }
}