/* =========================================================
   arena-guanjingsports.com.cn — /assets/site.css
   共享外壳：reset / tokens / 中文排版 / 头部 / 页脚 / 通用组件
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: #1F2528 #07090A;
}

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

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

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

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

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

::selection { background: #FF5A1F; color: #07090A; }

/* ---------- 2. Tokens ---------- */
:root {
  --carbon-950: #07090A;
  --carbon-900: #0B0D0E;
  --carbon-800: #14181A;
  --carbon-700: #1F2528;
  --paper: #F2E9DA;
  --paper-muted: #C9BCA8;
  --orange: #FF5A1F;
  --cyan: #00E5C7;
  --lime: #D8FF3E;
  --slate: #8C9A9D;

  --font-display: "Barlow Condensed", "Oswald", "Arial Narrow", "PingFang SC", sans-serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius-panel: 24px;
  --radius-card: 20px;
  --radius-pill: 999px;

  --shell: 1280px;
  --rail: 1320px;

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --fast: 120ms;
  --mid: 180ms;
  --slow: 220ms;
}

/* ---------- 3. 中文排版与基底 ---------- */
body {
  min-height: 100vh;
  background-color: var(--carbon-950);
  background-image:
    radial-gradient(1100px 620px at 88% -8%, rgba(0, 229, 199, 0.075), transparent 62%),
    radial-gradient(900px 520px at -6% 2%, rgba(255, 90, 31, 0.075), transparent 58%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.3rem); }

p { text-wrap: pretty; }

strong { color: var(--paper); font-weight: 700; }

hr {
  border: 0;
  height: 1px;
  background: var(--carbon-700);
}

/* ---------- 4. 焦点与可达性 ---------- */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(7, 9, 10, 0.92);
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 300;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--orange);
  color: #07090A;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transform: translateY(-180%);
  transition: transform var(--mid) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 5. 布局容器与网格 ---------- */
.shell {
  width: min(100% - 2rem, var(--shell));
  margin-inline: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.grid > * { grid-column: span 12; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.grid--split,
.grid--halves,
.grid--thirds {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.75rem);
  align-items: start;
}

.grid--split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- 6. 排版组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  color: var(--slate);
}

.lead {
  max-width: 62ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.8;
  color: var(--paper-muted);
}

.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1.05em; }
.prose p { color: var(--paper-muted); }
.prose strong { color: var(--paper); }
.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(0, 229, 199, 0.4);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}
.prose a:hover { border-bottom-color: var(--cyan); }
.prose ul, .prose ol { padding-left: 1.2rem; list-style: disc; color: var(--paper-muted); }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }

.section-head {
  display: grid;
  gap: 0.4rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--orange);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.section-head__title {
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  color: var(--paper);
}

.note-vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--slate);
}

.score-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 6rem);
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(216, 255, 62, 0.16);
  animation: dot-pulse 2.6s var(--ease) infinite;
}

@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(216, 255, 62, 0.16); }
  50% { box-shadow: 0 0 0 7px rgba(216, 255, 62, 0); }
}

/* ---------- 7. 面板、数据线、斜切带 ---------- */
.panel {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.9rem);
  background: var(--carbon-900);
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-panel);
  transition:
    transform var(--mid) var(--ease),
    border-color var(--mid) var(--ease),
    box-shadow var(--mid) var(--ease);
}

.panel:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 229, 199, 0.55);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.42);
}

.panel--raised { background: var(--carbon-800); }

.panel--paper {
  background: var(--paper);
  border-color: #D9CBB4;
  color: #14181A;
}
.panel--paper:hover { border-color: var(--orange); }
.panel--paper .eyebrow { color: #A8401A; }
.panel--paper .mono { color: #6B6256; }
.panel--paper .section-head { border-left-color: #A8401A; }
.panel--paper .section-head__index { color: #A8401A; }
.panel--paper .section-head__title { color: #101416; }

.panel--breakout { overflow: visible; }

.data-line {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 199, 0.65), transparent);
}

.angle-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.angle-band::before {
  content: "";
  position: absolute;
  inset: -22% -6%;
  z-index: -1;
  background: linear-gradient(
    -6deg,
    rgba(255, 90, 31, 0.12),
    transparent 44%,
    rgba(0, 229, 199, 0.12)
  );
  transform: skewY(-6deg);
  pointer-events: none;
}

/* ---------- 8. 按钮与胶囊 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.72rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--carbon-700);
  background: var(--carbon-800);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--mid) var(--ease),
    border-color var(--mid) var(--ease),
    background-color var(--mid) var(--ease),
    color var(--mid) var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: #FFFFFF;
}

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #08090A;
  font-weight: 700;
}

.btn--primary:hover {
  background: #FF7440;
  border-color: #FF7440;
  color: #08090A;
}

.btn--ghost {
  background: transparent;
  border-color: rgba(0, 229, 199, 0.45);
  color: var(--cyan);
}

.btn--ghost:hover {
  background: rgba(0, 229, 199, 0.08);
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--sm {
  padding: 0.44rem 0.95rem;
  font-size: 0.82rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.34rem 0.88rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--carbon-700);
  background: rgba(20, 24, 26, 0.72);
  color: var(--paper-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  cursor: pointer;
  transition:
    color var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    background-color var(--fast) var(--ease);
}

.chip:hover { color: var(--cyan); border-color: rgba(0, 229, 199, 0.5); }

.chip--on,
.chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #08090A;
  font-weight: 700;
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.11em;
  color: var(--slate);
}

.breadcrumb__link {
  color: var(--paper-muted);
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.breadcrumb__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.breadcrumb__sep { color: var(--carbon-700); }

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

/* ---------- 10. 媒体容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-card);
  background:
    linear-gradient(155deg, var(--carbon-800), var(--carbon-900) 70%);
}

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

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

.media-frame__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  color: var(--paper);
  background: linear-gradient(0deg, rgba(7, 9, 10, 0.92), rgba(7, 9, 10, 0));
}

/* ---------- 11. 表格 ---------- */
.table-shell {
  overflow-x: auto;
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-card);
  background: var(--carbon-900);
  -webkit-overflow-scrolling: touch;
}

.table-shell table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table-shell th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 0.72rem 0.95rem;
  background: var(--carbon-800);
  border-bottom: 1px solid var(--carbon-700);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  color: var(--paper-muted);
  text-align: left;
  white-space: nowrap;
}

.table-shell td {
  padding: 0.72rem 0.95rem;
  border-bottom: 1px solid rgba(31, 37, 40, 0.85);
  color: var(--paper-muted);
}

.table-shell tbody tr:hover { background: rgba(0, 229, 199, 0.05); }
.table-shell tbody tr:last-child td { border-bottom: 0; }

/* ---------- 12. 显现 ---------- */
.reveal { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }

.js-reveal .reveal {
  opacity: 0;
  transform: translateY(14px);
}

.js-reveal .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* =========================================================
   13. 头部
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: linear-gradient(180deg, rgba(11, 13, 14, 0.985), rgba(11, 13, 14, 0.93));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--carbon-700);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--orange) 0%,
    #FF9A5C 18%,
    var(--cyan) 46%,
    rgba(0, 229, 199, 0) 82%
  );
}

.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(31, 37, 40, 0.55);
  pointer-events: none;
}

.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--orange), var(--lime) 55%, var(--cyan));
  transition: transform 0.1s linear;
}

/* 刊头栏 */
.header-rail__inner {
  width: min(100% - 2rem, var(--rail));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0.72rem 0 0.52rem;
  transition: padding var(--mid) var(--ease);
}

.sport-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.sport-strip__item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  white-space: nowrap;
  transition: color var(--fast) var(--ease);
}

.sport-strip__item:hover { color: var(--paper); }

.sport-strip__code {
  font-size: 0.6rem;
  color: var(--orange);
  letter-spacing: 0.06em;
}

/* 报头 */
.masthead {
  display: grid;
  justify-items: center;
  gap: 0.12rem;
  text-align: center;
}

.masthead__brand {
  font-family: var(--font-sans);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  padding-left: 0.18em;
  line-height: 1.1;
  color: var(--paper);
  transition: color var(--fast) var(--ease);
}

.masthead__brand:hover { color: var(--cyan); }

.masthead__tagline {
  max-height: 2rem;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  color: var(--paper-muted);
  transition: opacity var(--mid) var(--ease), max-height var(--mid) var(--ease);
}

.masthead__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  max-height: 2rem;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
  color: var(--slate);
  transition: opacity var(--mid) var(--ease), max-height var(--mid) var(--ease);
}

/* 快捷入口 */
.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.header-action {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--paper-muted);
  white-space: nowrap;
  transition:
    color var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    background-color var(--fast) var(--ease);
}

.header-action:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 229, 199, 0.07);
}

.header-action--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #08090A;
  font-weight: 700;
}

.header-action--primary:hover {
  background: #FF7440;
  border-color: #FF7440;
  color: #08090A;
}

/* 压缩态 */
.site-header[data-condensed] .header-rail__inner { padding: 0.34rem 0 0.3rem; }

.site-header[data-condensed] .masthead__tagline,
.site-header[data-condensed] .masthead__meta {
  opacity: 0;
  max-height: 0;
}

/* 栏目条 */
.nav-bar {
  position: relative;
  border-top: 1px solid rgba(31, 37, 40, 0.8);
}

.nav-bar__inner {
  position: relative;
  width: min(100% - 2rem, var(--rail));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.32rem 0;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.14rem 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.48rem 0.82rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--paper-muted);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.3;
  transition:
    color var(--mid) var(--ease),
    background-color var(--mid) var(--ease),
    border-color var(--mid) var(--ease);
}

.site-nav__link:hover {
  color: var(--cyan);
  border-color: rgba(0, 229, 199, 0.35);
  background: rgba(0, 229, 199, 0.07);
}

.site-nav__idx {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--slate);
  transition: color var(--mid) var(--ease);
}

.site-nav__link:hover .site-nav__idx { color: var(--cyan); }

.site-nav__link[aria-current="page"] {
  color: var(--paper);
  background: rgba(255, 90, 31, 0.14);
  border-color: rgba(255, 90, 31, 0.55);
}

.site-nav__link[aria-current="page"] .site-nav__idx { color: var(--orange); }

.nav-bar__status {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
  color: var(--slate);
  white-space: nowrap;
}

/* 移动端按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.44rem 0.92rem;
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-pill);
  background: var(--carbon-800);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--mid) var(--ease), opacity var(--mid) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* =========================================================
   14. 页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 6vw, 5rem);
  background: var(--carbon-950);
  border-top: 1px solid var(--carbon-700);
  color: var(--paper-muted);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--cyan) 0%,
    rgba(0, 229, 199, 0) 42%,
    var(--orange) 100%
  );
}

.footer-top { padding: clamp(2rem, 4vw, 3.2rem) 0 clamp(1.2rem, 2vw, 1.9rem); }

.footer-inner {
  width: min(100% - 2rem, var(--shell));
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.2rem, 3vw, 2.4rem);
}

.footer-brand__mark {
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--paper);
  line-height: 1.2;
}

.footer-brand__tag {
  margin-top: 0.55rem;
  font-size: 0.9rem;
  color: var(--paper-muted);
}

.footer-brand__meta {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.footer-col__title {
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.footer-col__list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col__link {
  width: fit-content;
  font-size: 0.9rem;
  color: var(--paper-muted);
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.footer-col__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(0, 229, 199, 0.6);
}

.footer-contact {
  margin-top: clamp(1.5rem, 3vw, 2.2rem);
  padding: clamp(1rem, 2vw, 1.45rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 1rem 1.6rem;
  border: 1px solid var(--carbon-700);
  border-radius: var(--radius-panel);
  background: linear-gradient(120deg, rgba(20, 24, 26, 0.94), rgba(11, 13, 14, 0.94));
}

.footer-contact__row {
  display: grid;
  gap: 0.22rem;
  min-width: 0;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.footer-contact__value {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer-legal {
  margin-top: clamp(1.1rem, 2.4vw, 1.8rem);
  padding: 1rem 0 1.7rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.4rem;
  border-top: 1px solid var(--carbon-700);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.footer-legal__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1.2rem;
}

.footer-legal__note { color: var(--paper-muted); }

.footer-legal__link {
  color: var(--cyan);
  border-bottom: 1px solid rgba(0, 229, 199, 0.45);
  transition: border-color var(--fast) var(--ease);
}

.footer-legal__link:hover { border-bottom-color: var(--cyan); }

/* =========================================================
   15. 响应式
   ========================================================= */
@media (max-width: 1180px) {
  .nav-bar__status { display: none; }
}

@media (max-width: 1080px) {
  .sport-strip { display: none; }
  .header-rail__inner { grid-template-columns: minmax(0, 1fr) auto; }
  .masthead { justify-items: start; text-align: left; padding-left: 0.2rem; }
  .masthead__brand { padding-left: 0; }
}

@media (max-width: 900px) {
  .grid--split,
  .grid--halves,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }

  .grid > *,
  .span-3,
  .span-4,
  .span-6,
  .span-8,
  .span-12 { grid-column: span 12; }

  /* 移动导航 */
  .nav-toggle { display: inline-flex; }
  .nav-bar__inner { justify-content: flex-start; }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    z-index: 130;
    padding: 0.7rem 0.9rem 1rem;
    background: var(--carbon-900);
    border: 1px solid var(--carbon-700);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition:
      opacity var(--mid) var(--ease),
      transform var(--mid) var(--ease),
      visibility var(--mid) var(--ease);
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-nav__link {
    justify-content: flex-start;
    padding: 0.62rem 0.8rem;
    border-radius: 14px;
    font-size: 1rem;
  }

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

@media (max-width: 620px) {
  .header-rail__inner { padding: 0.6rem 0 0.45rem; gap: 0.5rem; }
  .header-actions .header-action:not(.header-action--primary) { display: none; }
  .masthead__tagline { font-size: 0.6rem; letter-spacing: 0.1em; }
  .masthead__meta { font-size: 0.56rem; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-contact { grid-template-columns: minmax(0, 1fr); }
  .footer-legal { flex-direction: column; align-items: flex-start; }

  .panel { border-radius: var(--radius-card); }
}

/* =========================================================
   16. 降低动态
   ========================================================= */
@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;
  }

  .status-dot { animation: none; }

  .panel:hover,
  .btn:hover,
  .header-action:hover { transform: none; }

  .js-reveal .reveal,
  .js-reveal .reveal.is-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-meter__fill { transition: none; }
}