:root {
  --color-surface: #efedee;
  --color-surface-alt: #e7e4e5;
  --color-surface-deep: #dbd8d9;
  --color-ink: #4c3d3f;
  --color-ink-soft: #766062;
  --color-ink-muted: #8b7476;
  --color-line: #d2cdce;
  --color-primary: #df2030;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #edd0d3;
  --color-accent: #8d7311;
  --color-accent-ink: #ffffff;
  --color-highlight: #ddd7c6;
  --color-focus: #7d6408;
  --color-contrast-surface: #1c0e0f;
  --color-contrast-ink: #e7e4e4;
  --color-contrast-line: #493d3e;
  --color-contrast-accent: #e3b91c;
  --overlay-scrim: linear-gradient(180deg, rgba(28, 14, 15, 0.35) 0%, rgba(28, 14, 15, 0.72) 55%, rgba(28, 14, 15, 0.92) 100%);
  --font-heading: "Songti SC", STSong, "Source Han Serif SC", SimSun, serif;
  --font-body: "Songti SC", STSong, "Source Han Serif SC", SimSun, serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 12.9px;
  --text-sm: 16.1px;
  --text-base: 18px;
  --text-lg: 22.5px;
  --text-xl: 28.1px;
  --text-2xl: 35.2px;
  --text-3xl: 43.9px;
  --text-4xl: 54.9px;
  --text-display: clamp(34px, 6.4vw, 82px);
  --text-figure: clamp(28px, 4.6vw, 59px);
  --weight-heading: 619;
  --weight-body: 400;
  --leading-body: 1.87;
  --leading-heading: 1.17;
  --tracking-heading: 0.023em;
  --radius-sm: 1px;
  --radius-md: 1px;
  --radius-lg: 1px;
  --radius-pill: 1px;
  --border-thin: 1px;
  --border-thick: 2px;
  --shadow-1: none;
  --shadow-2: none;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1160px;
  --measure: 71ch;
  --gutter: 32px;
  --section-y: 82px;
  --section-y-lg: 115px;
}

/* ============================================================
   1. Reset 与中文排版基底
   ============================================================ */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  letter-spacing: 0.012em;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

p { margin: 0 0 var(--space-2); }
p:last-child { margin-bottom: 0; }

a { color: var(--color-ink); }

ul, ol { margin: 0; padding-inline-start: 1.2em; }

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

button { font: inherit; color: inherit; }

hr { border: 0; }

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

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

.site-footer :focus-visible,
.header-rail :focus-visible,
.section--deep :focus-visible,
.panel--deep :focus-visible {
  outline-color: var(--color-contrast-accent);
}

/* ============================================================
   2. 容器、栅格、分区
   ============================================================ */
.container {
  width: min(100% - var(--gutter) * 2, var(--container));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .container { width: min(100% - var(--space-4), var(--container)); }
}

.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--alt { background-color: var(--color-surface-alt); }
.section--deep {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.section--deep h1,
.section--deep h2,
.section--deep h3,
.section--deep h4 { color: var(--color-contrast-ink); }
.section--ruled { border-block-start: 3px double var(--color-line); }
.section--deep.section--ruled { border-block-start-color: var(--color-contrast-line); }
.section--foot { border-block-end: 3px double var(--color-line); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .grid { gap: var(--space-4); }
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8, .col-9 { grid-column: span 12; }
}

@media (max-width: 620px) {
  .grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-3); }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-12 { grid-column: span 1; }
}

.rule {
  width: 100%;
  margin-block: var(--space-6);
  border-block-start: 3px double var(--color-line);
}

/* ============================================================
   3. 标题组
   ============================================================ */
.section-head {
  text-align: center;
  margin-bottom: var(--space-6);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-2xl);
  text-align: center;
  margin: 0 0 var(--space-2);
}

.section-title::before {
  content: "";
  display: block;
  width: 42px;
  height: var(--border-thick);
  margin: 0 auto var(--space-3);
  background-color: var(--color-primary);
}

.section-head__desc {
  max-width: 54ch;
  margin: 0 auto;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.section--deep .section-head__desc,
.section--deep .lede {
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: 48ch;
}

.prose {
  max-width: var(--measure);
}

.prose h2 {
  font-size: var(--text-xl);
  margin: var(--space-6) 0 var(--space-2);
}

.prose h3 {
  font-size: var(--text-lg);
  margin: var(--space-4) 0 var(--space-1);
}

.prose ul,
.prose ol { margin: 0 0 var(--space-3); }
.prose li { margin-bottom: var(--space-1); }

/* ============================================================
   4. 标签、状态块、按钮
   ============================================================ */
.tag,
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  line-height: 1.4;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.tag {
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
}

.tag--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.tag--accent {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.status-chip {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.status-chip--quiet {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.status-chip--gold {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.section--deep .status-chip,
.panel--deep .status-chip {
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 12px var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--color-ink);
  background-color: transparent;
  border: var(--border-thin) solid var(--color-ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.btn--primary:hover {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.btn--accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.btn--accent:hover {
  background-color: transparent;
  color: var(--color-accent);
}

.section--deep .btn {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.section--deep .btn:hover {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

.figure,
.is-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.figure {
  font-size: var(--text-figure);
  line-height: 1;
}

/* ============================================================
   5. 面板、档案卡、表格
   ============================================================ */
.panel {
  background-color: var(--color-surface);
  border: 3px double var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.panel--deep {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.panel--deep h2,
.panel--deep h3,
.panel--deep h4 { color: var(--color-contrast-ink); }

.record {
  position: relative;
  background-color: var(--color-surface);
  border: 3px double var(--color-line);
  border-radius: var(--radius-md);
  padding: calc(var(--space-4) + var(--space-2)) var(--space-3) var(--space-3);
}

.record__tag {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding: 3px 10px;
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border-end-end-radius: var(--radius-sm);
}

.record__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  margin: 0 0 var(--space-1);
}

.record__meta {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.record__body {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  text-align: left;
}

.data-table caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
  padding-bottom: var(--space-1);
}

.data-table th,
.data-table td {
  padding: 10px var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: baseline;
}

.data-table thead th {
  background-color: var(--color-surface-deep);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
}

.data-table td.is-num,
.data-table th.is-num { text-align: right; }

.data-table tbody tr:hover { background-color: var(--color-highlight); }

.section--deep .data-table th,
.section--deep .data-table td { border-bottom-color: var(--color-contrast-line); }
.section--deep .data-table thead th {
  background-color: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
  color: var(--color-contrast-accent);
}
.section--deep .data-table tbody tr:hover {
  background-color: color-mix(in srgb, var(--color-contrast-accent) 12%, transparent);
}

/* ============================================================
   6. 图片容器（页面阶段放入 <img>）
   ============================================================ */
.media-frame {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface-deep);
  border: 3px double var(--color-line);
  border-radius: var(--radius-md);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.04);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }

.media-frame__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.media-frame__caption {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

/* ============================================================
   7. 面包屑
   ============================================================ */
.breadcrumb {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
}

.breadcrumb li + li::before {
  content: "/";
  margin-inline-end: var(--space-1);
  color: var(--color-line);
}

.breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
}

.breadcrumb a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ============================================================
   8. 回纹装饰带
   ============================================================ */
.fret-band {
  height: 9px;
  border-block-start: var(--border-thin) solid var(--color-line);
  border-block-end: var(--border-thin) solid var(--color-line);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0 1px,
    transparent 1px 11px
  );
}

.section--deep .fret-band {
  border-color: var(--color-contrast-line);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-contrast-line) 0 1px,
    transparent 1px 11px
  );
}

/* ============================================================
   9. 头部：双层信息导航
   ============================================================ */
.skip-link {
  position: absolute;
  inset-block-start: -120px;
  inset-inline-start: var(--space-2);
  z-index: 90;
  padding: 10px var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  inset-block-start: var(--space-1);
}

.read-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 0;
  height: var(--border-thick);
  background-color: var(--color-primary);
  z-index: 70;
  transition: width 0.12s linear;
}

.site-header {
  position: relative;
  z-index: 50;
  background-color: var(--color-surface);
}

.header-rail {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.header-rail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  min-height: 54px;
  padding-block: var(--space-1);
}

.brand-sign {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--color-contrast-ink);
}

.brand-sign__zh {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.2em;
}

.brand-sign__en {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  color: var(--color-contrast-accent);
}

.brand-sign:hover .brand-sign__zh { color: var(--color-contrast-accent); }

.header-rail__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.header-rail__note {
  border-inline-start: var(--border-thin) solid var(--color-contrast-line);
  padding-inline-start: var(--space-2);
}

.header-main {
  background-color: var(--color-surface);
  border-block-end: 3px double var(--color-line);
}

.header-main__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 66px;
}

/* 移动栏目按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 9px var(--space-2);
  background-color: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  cursor: pointer;
}

.nav-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 10px;
  border-block: var(--border-thin) solid currentColor;
}

.nav-toggle__bars::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-start: 50%;
  height: var(--border-thin);
  background-color: currentColor;
}

/* 主要栏目 */
.nav { display: none; }

@media (min-width: 861px) {
  .nav { display: block; flex: 1 1 auto; }
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: inline-block;
  padding: 8px 2px;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  text-decoration: none;
  color: var(--color-ink-soft);
  border-bottom: var(--border-thick) solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.nav__link:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

.nav__link[aria-current="page"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

/* 赛程抽屉按钮 */
.drawer-toggle {
  padding: 9px var(--space-2);
  background-color: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-contrast-surface);
  border-radius: var(--radius-sm);
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.drawer-toggle:hover { background-color: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-ink); }

.drawer-toggle[aria-expanded="true"] {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* 抽屉面板 */
.schedule-drawer {
  display: none;
  background-color: var(--color-surface-deep);
  border-block-end: 3px double var(--color-line);
}

.schedule-drawer[data-open] { display: block; }

.schedule-drawer__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
  padding-block: var(--space-4);
}

.drawer__group-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 3px double var(--color-line);
  font-size: var(--text-sm);
}

.drawer__league { letter-spacing: 0.24em; }

.drawer__league-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.drawer__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 8px 10px;
  text-decoration: none;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  transition: background-color 0.16s ease;
}

.drawer__item:hover { background-color: var(--color-highlight); }

.drawer__round {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.drawer__mark {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }

  .header-main__inner {
    row-gap: var(--space-2);
    padding-block: var(--space-2);
  }

  .nav {
    order: 3;
    flex: 1 0 100%;
    border-block-start: 3px double var(--color-line);
    padding-block: var(--space-2);
  }

  .nav[data-open] { display: block; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .nav__link {
    display: block;
    padding: 12px 0;
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .nav__link[aria-current="page"] { border-bottom-color: var(--color-primary); }

  .schedule-drawer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    padding-block: var(--space-3);
  }
}

@media (max-width: 560px) {
  .header-rail__note { display: none; }
  .brand-sign__zh { font-size: var(--text-base); letter-spacing: 0.14em; }
}

/* ============================================================
   10. 页脚：同色延续，双线过渡
   ============================================================ */
.site-footer {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-block-start: 3px double var(--color-contrast-line);
  padding-block: var(--space-8) var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.75;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1.3fr 1fr;
  gap: var(--space-6);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.18em;
  margin: 0 0 var(--space-2);
  color: var(--color-contrast-ink);
}

.footer__lede {
  max-width: 30ch;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  margin: 0 0 var(--space-3);
}

.footer__title {
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-1);
  border-bottom: 3px double var(--color-contrast-line);
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.footer__link {
  display: inline-block;
  padding-block: 3px;
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.footer__link:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.footer__contact {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.footer__contact-row dt {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  margin-bottom: 2px;
}

.footer__contact-row dd {
  margin: 0;
  color: var(--color-contrast-ink);
  word-break: break-word;
}

.footer__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.footer__base {
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-3);
  border-block-start: 3px double var(--color-contrast-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.footer__base p { margin: 0; }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
  .footer__col:first-child { grid-column: span 2; }
}

@media (max-width: 620px) {
  .site-footer { padding-block: var(--space-6) var(--space-4); }
  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .footer__col:first-child { grid-column: auto; }
  .footer__base { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   11. 滚动刻标与显现
   ============================================================ */
.scroll-rail {
  position: fixed;
  inset-block-start: 50%;
  inset-inline-start: 14px;
  transform: translateY(-50%);
  display: grid;
  gap: 10px;
  z-index: 45;
  pointer-events: none;
}

.scroll-rail__tick {
  display: block;
  width: var(--border-thick);
  height: 16px;
  background-color: var(--color-line);
  transition: background-color 0.22s ease, height 0.22s ease;
}

.scroll-rail__tick.is-current {
  height: 30px;
  background-color: var(--color-primary);
}

@media (max-width: 1240px) {
  .scroll-rail { display: none; }
}

[data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal].is-pending {
  opacity: 0;
  transform: translateY(12px);
}

/* ============================================================
   12. 动效降级
   ============================================================ */
@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;
  }

  [data-reveal],
  [data-reveal].is-pending {
    opacity: 1;
    transform: none;
  }
}