/* ===========================================================
   易倍体育最新版 · 共享样式 /assets/site.css
   夜场记分牌 × 数据指挥中心
   =========================================================== */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

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

button, input, select, textarea { font: inherit; color: inherit; }

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

/* ---------- 2. 变量与基础 ---------- */
:root {
  --ink-900: #050C1A;
  --ink-800: #0A1428;
  --ink-700: #122238;
  --ink-600: #1F3A5C;

  --accent: #FF4A2B;
  --accent-soft: #FF7B57;
  --youth: #2BE3A8;
  --transfer: #FFC24A;
  --warn: #FF5C6E;

  --text: #F1F5FF;
  --text-dim: #93A7C4;

  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-num: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Roboto Mono",
    Menlo, Consolas, "Courier New", monospace;

  --shell-max: 1280px;
  --gutter: clamp(16px, 3vw, 40px);
  --hard-shadow: 8px 8px 0 0 var(--ink-900);
  --header-h: 68px;

  --ease: cubic-bezier(.22, .8, .28, 1);
}

body {
  background: var(--ink-800);
  background-image:
    repeating-linear-gradient(115deg, rgba(31, 58, 92, .22) 0 1px, transparent 1px 88px);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .01em;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.08;
  color: var(--text);
}

h1 { font-size: clamp(2.6rem, 7.4vw, 5.5rem); }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.1vw, 1.55rem); }

a { color: var(--accent-soft); text-decoration-thickness: 2px; text-underline-offset: 4px; }
a:hover { color: var(--text); }

:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
}

::selection { background: var(--accent); color: var(--ink-900); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 300;
  background: var(--accent);
  color: var(--ink-900);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .06em;
  padding: 12px 22px;
  text-decoration: none;
  border: 2px solid var(--ink-900);
}
.skip-link:focus { left: 8px; top: 8px; color: var(--ink-900); }

/* ---------- 3. 通用容器与节奏 ---------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(44px, 7vh, 92px); border-top: 2px solid var(--ink-600); }
.section--flush { border-top: 0; }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  margin-bottom: clamp(24px, 4vh, 48px);
}

.section__title { max-width: 22ch; }

.section__note {
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.rule { height: 0; border: 0; border-top: 2px solid var(--ink-600); margin-block: clamp(24px, 4vh, 44px); }

.band {
  background: var(--ink-900);
  border-block: 2px solid var(--ink-600);
  padding-block: clamp(36px, 6vh, 76px);
}

/* ---------- 4. 栅格 ---------- */
.grid--3-9,
.grid--2,
.grid--3 { display: grid; gap: clamp(20px, 3vw, 48px); grid-template-columns: 1fr; }

@media (min-width: 1000px) {
  .grid--3-9 { grid-template-columns: minmax(190px, 3fr) minmax(0, 9fr); }
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 640px) and (max-width: 999px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 5. 文本组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--accent); }

.annotation {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.annotation--vertical {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: .3em;
}

.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.72;
  color: var(--text-dim);
  max-width: 58ch;
}

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.1em; }
.prose h2 { margin-top: 1.6em; margin-bottom: .5em; }
.prose h3 { margin-top: 1.4em; margin-bottom: .4em; }
.prose ul { margin-top: 1em; padding-left: 1.15em; list-style: none; }
.prose li { position: relative; padding-left: 18px; margin-top: .5em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  background: var(--accent);
}
.prose strong { color: #fff; font-weight: 800; }

.note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  border-left: 3px solid var(--ink-600);
  padding-left: 14px;
}

/* ---------- 6. 按钮与筛选 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 22px;
  border: 2px solid transparent;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .05em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease),
    border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover { transform: translate(-2px, -2px); }

.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--ink-900); }
.btn--primary:hover { background: var(--accent-soft); border-color: var(--accent-soft); color: var(--ink-900); }

.btn--ghost { border-color: var(--ink-600); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-soft); }

.btn--sm { min-height: 38px; padding: 8px 14px; font-size: 13px; letter-spacing: .06em; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 15px;
  border: 2px solid var(--ink-600);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease),
    border-color .18s var(--ease), transform .18s var(--ease);
}
.chip:hover { border-color: var(--accent-soft); color: var(--text); transform: translateX(3px); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--ink-900); }
.chip--youth[aria-pressed="true"] { background: var(--youth); border-color: var(--youth); color: var(--ink-900); }
.chip--transfer[aria-pressed="true"] { background: var(--transfer); border-color: var(--transfer); color: var(--ink-900); }

.filter-status {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

[data-filter-item].is-filtered { display: none; }

/* ---------- 7. 左栏 / 轮次条 ---------- */
.rail { display: flex; flex-direction: column; gap: 24px; }

@media (min-width: 1000px) {
  .rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    border-right: 2px solid var(--ink-600);
    padding-right: 22px;
  }
}

.rail__title {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink-600);
}

.rail__list { display: flex; flex-direction: column; gap: 2px; }

.round-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.round-rail__btn {
  flex: 0 0 auto;
  min-width: 62px;
  padding: 9px 10px;
  border: 2px solid var(--ink-600);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.round-rail__btn:hover { border-color: var(--accent-soft); color: var(--text); }
.round-rail__btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--ink-900); }

@media (min-width: 1000px) {
  .round-rail { flex-direction: column; overflow: visible; }
  .round-rail__btn { min-width: 0; width: 100%; text-align: left; padding: 10px 12px; }
}

/* ---------- 8. 面板 / 记分牌 / 表格 ---------- */
.panel {
  background: var(--ink-700);
  border: 2px solid var(--ink-600);
  padding: clamp(18px, 2.4vw, 28px);
}
.panel--hard { box-shadow: var(--hard-shadow); }

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--ink-600);
}

.panel__title { font-size: 1.15rem; font-weight: 900; letter-spacing: .01em; }

.scoreboard-grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.scoreboard {
  position: relative;
  border: 2px solid var(--ink-600);
  background: linear-gradient(160deg, rgba(255, 74, 43, .1), transparent 62%), var(--ink-700);
  padding: 18px 18px 16px;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}
.scoreboard__value {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.scoreboard__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--text-dim);
}
.scoreboard--accent .scoreboard__value { color: var(--accent); }
.scoreboard--youth .scoreboard__value { color: var(--youth); }
.scoreboard--transfer .scoreboard__value { color: var(--transfer); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.data-table caption {
  text-align: left;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--text-dim);
  padding-bottom: 12px;
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--ink-600);
  vertical-align: middle;
}
.data-table thead th {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--text-dim);
  border-bottom: 2px solid var(--ink-600);
  white-space: nowrap;
}
.data-table .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  letter-spacing: -.01em;
}
.data-table tbody tr { transition: background-color .16s var(--ease); }
.data-table tbody tr:hover { background: rgba(31, 58, 92, .6); }
.data-table--youth tbody tr:hover { background: rgba(43, 227, 168, .09); }
.data-table--transfer tbody tr:hover { background: rgba(255, 194, 74, .09); }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--ink-600);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--text-dim);
  white-space: nowrap;
}
.tag--accent { border-color: var(--accent); color: var(--accent); }
.tag--youth { border-color: var(--youth); color: var(--youth); }
.tag--transfer { border-color: var(--transfer); color: var(--transfer); }

/* ---------- 9. 图片 / 图形容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 2px solid var(--ink-600);
  background-color: var(--ink-700);
  background-image:
    linear-gradient(135deg, rgba(255, 74, 43, .22), transparent 58%),
    repeating-linear-gradient(115deg, rgba(31, 58, 92, .75) 0 2px, transparent 2px 15px);
}
.media-frame > img,
.media-frame > svg { display: block; width: 100%; height: 100%; object-fit: cover; }

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--3x2 { aspect-ratio: 3 / 2; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.media-frame--slanted { clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }

.media-frame--youth {
  background-image:
    conic-gradient(from 200deg at 70% 30%, rgba(43, 227, 168, .3), transparent 55%),
    repeating-linear-gradient(90deg, rgba(43, 227, 168, .16) 0 1px, transparent 1px 22px),
    linear-gradient(160deg, var(--ink-700), var(--ink-900));
}
.media-frame--transfer {
  background-image:
    linear-gradient(115deg, rgba(255, 194, 74, .26), transparent 52%),
    repeating-linear-gradient(0deg, rgba(255, 194, 74, .12) 0 1px, transparent 1px 20px),
    linear-gradient(160deg, var(--ink-700), var(--ink-900));
}
.media-frame--schedule {
  background-image:
    linear-gradient(180deg, rgba(255, 74, 43, .18), transparent 60%),
    repeating-linear-gradient(90deg, rgba(31, 58, 92, .9) 0 1px, transparent 1px 40px),
    var(--ink-700);
}

.media-frame__label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 4px 10px;
  background: var(--ink-900);
  border: 1px solid var(--ink-600);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--text-dim);
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs { padding-block: 18px 6px; }
.breadcrumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  font-family: var(--font-num);
  color: var(--ink-600);
}
.breadcrumbs__link {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-dim);
  text-decoration: none;
}
.breadcrumbs__link:hover { color: var(--accent-soft); }
.breadcrumbs__current {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
}

/* ---------- 11. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(180deg, var(--ink-900) 0%, #07101F 100%);
  border-bottom: 2px solid var(--ink-600);
}
.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(90px, 16vw, 230px);
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 74, 43, .26), rgba(255, 74, 43, 0) 72%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.site-header__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: 10px var(--gutter);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--text);
}
.brand__index {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 5px 3px;
  line-height: 1;
}
.brand__text { display: flex; flex-direction: column; gap: 3px; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 23px);
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--text);
}
.brand__badge {
  align-self: flex-start;
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--transfer);
  border: 1px solid rgba(255, 194, 74, .5);
  padding: 1px 6px;
}

.primary-nav { margin-left: auto; }
.primary-nav__list { display: flex; align-items: center; gap: clamp(2px, .6vw, 8px); }
.primary-nav__item { display: flex; }

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 12px 12px 16px;
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}
.primary-nav__num {
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink-600);
  transition: color .18s var(--ease);
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s var(--ease);
}
.primary-nav__link:hover { color: var(--text); background: rgba(31, 58, 92, .55); }
.primary-nav__link:hover .primary-nav__num { color: var(--text-dim); }

.primary-nav__link[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 74, 43, .16);
}
.primary-nav__link[aria-current="page"] .primary-nav__num { color: var(--accent); }
.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 0 0 auto;
}
.header-tools__hint {
  max-width: 15ch;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--text-dim);
  border-left: 2px solid var(--ink-600);
  padding-left: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 14px;
  background: transparent;
  border: 2px solid var(--ink-600);
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent-soft); }
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 4px; width: 18px; }
.nav-toggle__bars i { display: block; height: 2px; background: currentColor; }
.nav-toggle__bars i:nth-child(2) { width: 70%; }

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(31, 58, 92, .55);
  z-index: 2;
}
.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--transfer));
}

/* ---------- 12. 头部响应式 ---------- */
@media (max-width: 1180px) {
  .header-tools__hint { display: none; }
}

@media (max-width: 1040px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    display: none;
    background: var(--ink-900);
    border-bottom: 2px solid var(--ink-600);
    box-shadow: 0 18px 0 0 rgba(5, 12, 26, .5);
  }
  .primary-nav[data-open] { display: block; }
  .primary-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: 6px var(--gutter) 18px; }
  .primary-nav__item { width: 100%; }
  .primary-nav__link {
    width: 100%;
    justify-content: flex-start;
    padding: 16px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--ink-600);
  }
  .primary-nav__link::after { left: 4px; right: auto; width: 0; bottom: 10px; transform: none; }
  .primary-nav__link[aria-current="page"]::after { width: 42px; transform: none; }
  .primary-nav__link:hover { background: rgba(31, 58, 92, .45); padding-left: 12px; }
}

@media (max-width: 720px) {
  :root { --header-h: 60px; }
  .header-tools .btn { display: none; }
  .brand__badge { font-size: 9px; }
}

/* ---------- 13. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vh, 100px);
  background: var(--ink-900);
  background-image:
    linear-gradient(200deg, rgba(255, 74, 43, .1), transparent 46%),
    repeating-linear-gradient(115deg, rgba(31, 58, 92, .3) 0 1px, transparent 1px 70px);
  color: var(--text);
}
.site-footer__slant {
  display: block;
  height: 6px;
  background: linear-gradient(90deg,
    var(--accent) 0 14%,
    var(--youth) 14% 24%,
    var(--transfer) 24% 33%,
    var(--ink-600) 33% 100%);
}

.site-footer__inner {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: clamp(36px, 5vh, 64px) var(--gutter) clamp(24px, 3vh, 40px);
}

.footer-grid {
  display: grid;
  gap: clamp(24px, 3vw, 52px);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.7fr; } }

.footer-col { display: flex; flex-direction: column; gap: 16px; }

.footer-col__title {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink-600);
}
.footer-col__title::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  background: var(--accent);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  letter-spacing: -.01em;
  line-height: 1.3;
}
.footer-brand__meta {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--text-dim);
}
.footer-brand__badge {
  align-self: flex-start;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--transfer);
  border: 1px solid rgba(255, 194, 74, .5);
  padding: 3px 8px;
}

.footer-nav__list { display: flex; flex-direction: column; gap: 2px; }
.footer-nav__link {
  display: inline-block;
  padding: 7px 0 7px 2px;
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .16s var(--ease), transform .16s var(--ease);
}
.footer-nav__link:hover { color: var(--text); transform: translateX(6px); }

.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact__item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink-600);
}
.footer-contact__key {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
  padding-top: 3px;
}
.footer-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.footer-bottom {
  border-top: 2px solid var(--ink-600);
  background: rgba(5, 12, 26, .6);
}
.footer-bottom__inner {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: 20px var(--gutter) 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px 32px;
}
.footer-bottom__icp {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}
.footer-bottom__note {
  max-width: 62ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 14. 入场动效 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 15. 降级与减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .btn:hover,
  .chip:hover,
  .footer-nav__link:hover { transform: none; }
}