/* =========================================================
   华体会体育端 · 共享 Site Kit (/assets/site.css)
   夜间赛场 · 球场夜绿 / 荧光青柠 / 暖纸分区
   ========================================================= */

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

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

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

ul, ol { margin: 0; padding: 0; }

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

button { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- 变量 ---------- */
:root {
  --night-900: #071612;
  --night-800: #0C241C;
  --stand-600: #174034;
  --lime-400: #C7F94B;
  --lime-200: #E6FFB0;
  --red-500: #E8402F;
  --blue-500: #2E7DFF;
  --paper-100: #F3EEE2;
  --ink-900: #101613;
  --mist-400: #9BB0A6;
  --text-on-dark: #DCE9E1;

  --hairline: 1px solid rgba(199, 249, 75, 0.16);
  --hairline-soft: 1px solid rgba(199, 249, 75, 0.10);
  --dashline: 1px dashed rgba(199, 249, 75, 0.22);

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

  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-20: 1.25rem;
  --fs-28: 1.75rem;
  --fs-40: 2.5rem;
  --fs-64: 4rem;
  --fs-96: 6rem;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-pill: 999px;

  --gutter: 16px;
  --maxw: 1240px;
}

@media (min-width: 768px) {
  :root { --gutter: 28px; }
}

/* ---------- 基础排版 ---------- */
body {
  background: var(--night-900);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 8vw, var(--fs-96)); }
h2 { font-size: clamp(1.75rem, 4.4vw, var(--fs-40)); }
h3 { font-size: clamp(1.25rem, 2.6vw, var(--fs-28)); }
h4 { font-size: var(--fs-20); }

p { text-wrap: pretty; }

strong { font-weight: 800; }

::selection { background: var(--lime-400); color: var(--ink-900); }

:focus-visible {
  outline: 2px solid var(--lime-200);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 布局容器 ---------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
}

.bleed {
  width: 100vw;
  margin-inline: calc(50% - 50vw);
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
}

.section-gap { padding-block: clamp(32px, 5vw, 64px); }

.section-paper {
  background: var(--paper-100);
  color: var(--ink-900);
  border-block: 1px solid rgba(16, 22, 19, 0.12);
}

.section-paper .eyebrow { color: #4E6B39; }
.section-paper .lead { color: #2C3A32; }

.section-night { background: var(--night-800); }
.section-deep { background: var(--night-900); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid-2 { display: grid; gap: clamp(16px, 2.4vw, 28px); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { display: grid; gap: clamp(16px, 2.4vw, 28px); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-cards { display: grid; gap: clamp(14px, 2vw, 22px); grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.split-7-3,
.split-8-4 { display: grid; gap: clamp(20px, 3vw, 40px); grid-template-columns: minmax(0, 1fr); }

@media (min-width: 900px) {
  .split-7-3 { grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); }
  .split-8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
}

.stack > * + * { margin-top: clamp(12px, 2vw, 22px); }

/* ---------- 通用文本 ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime-400);
  margin: 0;
}

.vlabel {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--mist-400);
  margin: 0;
}

.lead {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: #C3D6CA;
  max-width: 46ch;
}

.mono { font-family: var(--font-mono); }

.muted { color: var(--mist-400); }

.hl {
  background: var(--lime-400);
  color: var(--ink-900);
  padding: 0 0.25em;
  border-radius: 6px;
}

.link-blue { color: var(--blue-500); text-decoration: none; border-bottom: 1px solid rgba(46, 125, 255, 0.5); }
.link-blue:hover { color: var(--lime-200); border-bottom-color: var(--lime-200); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.btn-sm { padding: 10px 16px; font-size: var(--fs-14); }

.btn-primary { background: var(--lime-400); color: var(--ink-900); }
.btn-primary:hover { background: var(--lime-200); transform: translateY(-1px); }

.btn-ghost { background: transparent; color: var(--lime-400); border-color: rgba(199, 249, 75, 0.42); }
.btn-ghost:hover { background: rgba(199, 249, 75, 0.12); border-color: var(--lime-400); }

.btn-red { background: var(--red-500); color: #FFF3F1; }
.btn-red:hover { background: #FF5545; }

.btn-ink { background: var(--ink-900); color: var(--paper-100); }
.btn-ink:hover { background: #1D2A24; }

.section-paper .btn-ink { background: var(--ink-900); color: var(--paper-100); }

/* ---------- 标签 / 胶囊筛选 ---------- */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  padding: 9px 16px;
  border: 1px solid rgba(199, 249, 75, 0.24);
  border-radius: var(--r-pill);
  background: var(--stand-600);
  color: var(--text-on-dark);
  font-size: var(--fs-14);
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.chip:hover { border-color: var(--lime-400); color: var(--lime-200); }
.chip[aria-pressed="true"] {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
  font-weight: 700;
}

.section-paper .chip { background: #FFFFFF; border-color: rgba(16, 22, 19, 0.16); color: var(--ink-900); }
.section-paper .chip[aria-pressed="true"] { background: var(--ink-900); border-color: var(--ink-900); color: var(--paper-100); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(199, 249, 75, 0.32);
  background: rgba(199, 249, 75, 0.10);
  color: var(--lime-200);
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.tag-red { border-color: rgba(232, 64, 47, 0.45); background: rgba(232, 64, 47, 0.16); color: #FFA79C; }
.tag-blue { border-color: rgba(46, 125, 255, 0.45); background: rgba(46, 125, 255, 0.16); color: #A9CBFF; }
.tag-lime { background: var(--lime-400); color: var(--ink-900); border-color: var(--lime-400); }

/* ---------- 面板 / 状态 ---------- */
.panel {
  background: var(--night-800);
  border: var(--hairline);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.4vw, 28px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: var(--dashline);
}

.panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mist-400);
  text-transform: uppercase;
}

.panel-value {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--lime-400);
}

.panel-note { font-size: var(--fs-14); color: var(--mist-400); }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(46, 125, 255, 0.18);
  flex: none;
}

.status-dot.is-ok { background: var(--lime-400); box-shadow: 0 0 0 4px rgba(199, 249, 75, 0.18); }
.status-dot.is-alert { background: var(--red-500); box-shadow: 0 0 0 4px rgba(232, 64, 47, 0.18); }

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-14);
  color: var(--text-on-dark);
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background: var(--night-800);
  border: var(--hairline);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.2vw, 26px);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.card:hover { border-color: rgba(199, 249, 75, 0.42); transform: translateY(-2px); }

.card-title { font-size: var(--fs-20); font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; }
.card-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--mist-400);
}

.section-paper .card { background: #FFFFFF; border-color: rgba(16, 22, 19, 0.12); color: var(--ink-900); }
.section-paper .card-meta { color: #5E7268; }

/* ---------- 时间轴 / 横向轨道 ---------- */
.timeline { position: relative; }

.timeline-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 18px 0 26px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  cursor: grab;
}

.timeline-track.is-dragging { cursor: grabbing; scroll-snap-type: none; }

.timeline-track::-webkit-scrollbar { height: 6px; }
.timeline-track::-webkit-scrollbar-track { background: rgba(199, 249, 75, 0.08); border-radius: var(--r-pill); }
.timeline-track::-webkit-scrollbar-thumb { background: rgba(199, 249, 75, 0.42); border-radius: var(--r-pill); }

.timeline-item {
  flex: 0 0 clamp(220px, 26vw, 290px);
  scroll-snap-align: start;
  background: var(--stand-600);
  border: var(--hairline-soft);
  border-radius: var(--r-lg);
  padding: 18px 20px;
}

.timeline-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.timeline-title { font-size: var(--fs-20); font-weight: 800; margin-top: 8px; line-height: 1.3; }

.timeline-meta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--mist-400);
}

/* ---------- 榜单 ---------- */
.rank-list { display: grid; gap: 10px; }

.rank-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--stand-600);
  border: var(--hairline-soft);
  border-radius: var(--r-md);
}

.rank-num {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--lime-400);
  min-width: 2ch;
}

.rank-name { font-weight: 700; letter-spacing: -0.01em; }

.rank-score {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--paper-100);
}

.rank-row.is-pulse .rank-score { animation: pulse-lime 0.4s ease-out 1; }

@keyframes pulse-lime {
  0% { color: var(--lime-200); text-shadow: 0 0 18px rgba(199, 249, 75, 0.6); }
  100% { color: var(--paper-100); text-shadow: none; }
}

/* ---------- 图文容器（页面阶段放置图片） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: var(--hairline);
  background: linear-gradient(155deg, var(--night-800), var(--stand-600));
  aspect-ratio: 16 / 9;
}

.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

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

.media-cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 18px;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-on-dark);
  background: linear-gradient(180deg, rgba(7, 22, 18, 0) 0%, rgba(7, 22, 18, 0.88) 100%);
}

.media-grid {
  display: grid;
  gap: clamp(12px, 1.8vw, 20px);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ---------- 长文 / 纸面叙事 ---------- */
.prose {
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.75;
}

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

.prose h2 { font-size: var(--fs-28); margin-top: 1.8em; }
.prose h3 { font-size: var(--fs-20); margin-top: 1.5em; }

.prose ul,
.prose ol { padding-left: 1.2em; }
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 1.1em; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 2px;
  background: var(--lime-400);
}
.prose ol { list-style: decimal; }

.section-paper .prose { color: #22302A; }
.section-paper .prose ul li::before { background: var(--red-500); }

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist-400);
  list-style: none;
}

.breadcrumbs li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: rgba(199, 249, 75, 0.5); }
.breadcrumbs a { color: var(--mist-400); text-decoration: none; }
.breadcrumbs a:hover { color: var(--lime-400); }
.breadcrumbs [aria-current="page"] { color: var(--lime-400); }

/* ---------- 筛选条目基础状态 ---------- */
.filter-item[hidden] { display: none; }

.filter-item.is-filtered-in { animation: filter-in 0.18s ease-out 1 both; }

@keyframes filter-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 显现动效协议 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* =========================================================
   头部：框架式导航
   ========================================================= */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -80px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 0 0 var(--r-md) var(--r-md);
  background: var(--lime-400);
  color: var(--ink-900);
  font-size: var(--fs-14);
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--night-900);
  border-bottom: 1px solid rgba(199, 249, 75, 0.22);
}

.header-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 28px;
  padding-inline: var(--gutter);
  border-bottom: var(--dashline);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(199, 249, 75, 0.16) 0,
    rgba(199, 249, 75, 0.16) 1px,
    transparent 1px,
    transparent 26px
  );
  background-size: 100% 6px;
  background-position: 0 100%;
  background-repeat: no-repeat;
}

.rail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red-500);
  box-shadow: 0 0 0 4px rgba(232, 64, 47, 0.16);
  flex: none;
  animation: rail-blink 2.4s ease-in-out infinite;
}

@keyframes rail-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.rail-ticker,
.rail-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail-ticker { color: var(--lime-400); }
.rail-meta { color: var(--mist-400); margin-left: auto; }

.header-frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
  flex-wrap: wrap;
}

.header-brand { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  width: fit-content;
}

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--paper-100);
  line-height: 1.1;
}

.brand-version {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--lime-400);
  border: 1px solid rgba(199, 249, 75, 0.55);
  border-radius: var(--r-pill);
  padding: 2px 9px;
  line-height: 1.5;
}

.brand-tagline {
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--mist-400);
  line-height: 1.6;
}

.header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* 移动导航按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(199, 249, 75, 0.34);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--lime-400);
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.nav-toggle-bars {
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

/* 主导航 */
.site-nav {
  display: none;
  border-top: var(--hairline-soft);
  padding-bottom: 0;
}

.nav-list { display: flex; flex-direction: column; gap: 4px; padding-block: 12px; }

.nav-item { min-width: 0; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  color: var(--text-on-dark);
  font-size: var(--fs-14);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.nav-link:hover {
  background: var(--stand-600);
  border-color: rgba(199, 249, 75, 0.32);
  color: var(--lime-200);
}

.nav-link[aria-current="page"] {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
  font-weight: 800;
}

.nav-link[aria-current="page"] .nav-index { color: var(--ink-900); opacity: 0.7; }

.nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime-400);
}

.nav-foot {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
  padding-bottom: 14px;
}

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(199, 249, 75, 0.14);
  overflow: hidden;
}

.scroll-progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--lime-400);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
}

/* 移动端展开态 */
@media (max-width: 879px) {
  .site-header[data-open] .site-nav {
    display: block;
    background: var(--night-800);
    border-top: 1px solid rgba(199, 249, 75, 0.22);
  }

  .site-header[data-open] .nav-list { padding-inline: 0; }

  .site-header[data-open] .nav-link {
    justify-content: flex-start;
    padding-block: 14px;
    border-radius: var(--r-md);
  }

  .site-header[data-open] .nav-foot { padding-top: 4px; }
}

@media (max-width: 560px) {
  .header-actions .btn-ghost { display: none; }
  .rail-meta { display: none; }
}

/* 桌面态 */
@media (min-width: 880px) {
  .nav-toggle { display: none; }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: var(--hairline-soft);
    padding-block: 8px;
  }

  .nav-list { flex-direction: row; flex-wrap: wrap; gap: 4px; padding-block: 0; }
  .nav-link { padding: 9px 16px; }
  .nav-foot { margin-left: auto; padding-bottom: 0; white-space: nowrap; }
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  background: var(--night-900);
  border-top: 1px solid rgba(199, 249, 75, 0.22);
  color: var(--text-on-dark);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(199, 249, 75, 0.4) 0,
    rgba(199, 249, 75, 0.4) 1px,
    transparent 1px,
    transparent 26px
  );
  opacity: 0.7;
}

.footer-frame {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  padding-block: clamp(40px, 6vw, 72px);
}

.footer-brand { display: flex; flex-direction: column; gap: 12px; }

.footer-note { font-size: var(--fs-14); line-height: 1.75; color: var(--mist-400); max-width: 40ch; }

.footer-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.footer-nav { display: grid; gap: clamp(20px, 3vw, 32px); grid-template-columns: minmax(0, 1fr); }

.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime-400);
  margin: 0 0 12px;
}

.footer-list { list-style: none; display: grid; gap: 8px; }

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--text-on-dark);
  text-decoration: none;
  transition: color 0.16s ease;
}

.footer-link::before {
  content: "";
  width: 12px;
  height: 2px;
  background: rgba(199, 249, 75, 0.4);
  transition: width 0.16s ease, background-color 0.16s ease;
}

.footer-link:hover { color: var(--lime-200); }
.footer-link:hover::before { width: 20px; background: var(--lime-400); }

.footer-base {
  display: grid;
  gap: 6px;
  padding-block: 20px 32px;
  border-top: var(--dashline);
  font-size: var(--fs-12);
  color: var(--mist-400);
  line-height: 1.8;
}

.footer-service { color: var(--text-on-dark); font-family: var(--font-mono); letter-spacing: 0.04em; }
.footer-icp { font-family: var(--font-mono); letter-spacing: 0.1em; }
.footer-copy { font-family: var(--font-mono); letter-spacing: 0.06em; }

@media (min-width: 720px) {
  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-base { grid-template-columns: minmax(0, auto) minmax(0, 1fr); column-gap: 24px; }
  .footer-service { grid-column: 1 / -1; }
  .footer-address { grid-column: 1 / 2; }
  .footer-icp { grid-column: 2 / 3; text-align: right; }
  .footer-copy { grid-column: 1 / -1; }
}

@media (min-width: 900px) {
  .footer-frame { grid-template-columns: minmax(0, 1fr) minmax(0, 1.9fr); }
}

/* =========================================================
   无障碍：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;
  }

  [data-reveal] { opacity: 0; transform: none; }
  [data-reveal].is-visible { opacity: 1; }

  .scroll-progress-bar { transition: none; }
  .rail-dot { animation: none; }
  .rank-row.is-pulse .rank-score { animation: none; }
  .filter-item.is-filtered-in { animation: none; }
}