/* ============================================================
   乐动体育CN站 · 共享样式 /assets/site.css
   高原赛场索引台 —— 夜空深蓝底 · 湖青实时 · 经幡橙红动作
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --ink-900: #07131F;
  --ink-850: #08161F;
  --ink-800: #0E2230;
  --ink-700: #102B3A;
  --line: #284455;
  --line-soft: rgba(40, 68, 85, 0.55);
  --text: #E8F1F4;
  --muted: #9BB0BC;
  --teal: #23C9B0;
  --teal-bright: #66F5DB;
  --teal-deep: #0B6B63;
  --orange: #FF6A3D;
  --orange-deep: #E8542A;
  --amber: #F2B544;

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

  --w-max: 1320px;
  --gutter: clamp(16px, 4.2vw, 44px);
  --header-h: 96px;
  --radius: 2px;
  --shadow-soft: 0 18px 44px -34px rgba(0, 0, 0, 0.9);
  --ease: cubic-bezier(0.22, 0.7, 0.28, 1);
}

/* ---------- 2. 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 { margin: 0; }

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

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

button { font: inherit; color: inherit; }

a { color: inherit; }

main { display: block; }

[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--teal-bright);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 620px at 78% -8%, rgba(35, 201, 176, 0.09), transparent 62%),
    radial-gradient(760px 520px at 6% 2%, rgba(255, 106, 61, 0.06), transparent 60%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#main-content { scroll-margin-top: calc(var(--header-h) + 16px); }

h1, h2, h3 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }

p { max-width: 76ch; }

/* ---------- 4. 工具类 ---------- */
.u-container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.u-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.u-annot {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.u-annot--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 1.9;
}

.u-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--teal);
}

.u-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal-bright), transparent);
}

.u-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 7.4vw, 104px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.u-title {
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.u-lead {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.7;
  color: var(--muted);
  max-width: 68ch;
}

/* ---------- 5. 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn:hover { border-color: var(--teal); color: var(--teal-bright); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #08161F;
  font-weight: 800;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 90% 100%, 0 100%);
}

.btn--primary:hover { filter: brightness(1.08); color: #08161F; }

.btn--ghost { background: rgba(14, 34, 48, 0.72); }

.btn--teal {
  border-color: rgba(35, 201, 176, 0.42);
  background: var(--teal-deep);
  color: var(--teal-bright);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 34, 48, 0.6);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.tag--live {
  color: var(--teal-bright);
  border-color: rgba(35, 201, 176, 0.45);
  background: rgba(11, 107, 99, 0.25);
}

.tag--past {
  color: var(--amber);
  border-color: rgba(242, 181, 68, 0.4);
  background: rgba(242, 181, 68, 0.08);
}

.tag--alert {
  color: var(--orange);
  border-color: rgba(255, 106, 61, 0.45);
  background: rgba(255, 106, 61, 0.1);
}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.breadcrumb__item {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

a.breadcrumb__item:hover {
  color: var(--teal-bright);
  border-bottom-color: rgba(102, 245, 219, 0.4);
}

.breadcrumb__sep { color: var(--line); }

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

/* ---------- 7. 面板 / 网格 / 图片容器 ---------- */
.bento {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.panel {
  position: relative;
  padding: clamp(16px, 2.2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(14, 34, 48, 0.92), rgba(8, 22, 31, 0.92));
  box-shadow: var(--shadow-soft);
}

.panel--flat { background: rgba(14, 34, 48, 0.55); }

.panel--accent { border-color: rgba(35, 201, 176, 0.35); }

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--line), transparent);
}

.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, var(--ink-700), var(--ink-900));
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

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

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--text);
  background: linear-gradient(0deg, rgba(7, 19, 31, 0.94), rgba(7, 19, 31, 0));
}

/* ---------- 8. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 0;
  left: 12px;
  z-index: 300;
  padding: 10px 16px;
  transform: translateY(-140%);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--teal-bright);
  color: #04140F;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: transform 0.18s var(--ease);
}

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

/* ---------- 9. 页头 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  color: var(--text);
  background: linear-gradient(180deg, rgba(7, 19, 31, 0.78), rgba(7, 19, 31, 0));
  border-bottom: 1px solid transparent;
  transition: background-color 0.28s var(--ease), border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease), backdrop-filter 0.28s var(--ease);
}

.site-header.is-solid {
  background-color: var(--ink-850);
  border-bottom-color: var(--line);
  box-shadow: 0 16px 34px -28px #000;
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  backdrop-filter: blur(10px) saturate(120%);
}

.header-rail {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: 9px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.header-rail__coord { white-space: nowrap; }

.header-rail__rule {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line-soft), rgba(40, 68, 85, 0));
}

.header-rail__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--teal-bright);
  white-space: nowrap;
}

.header-rail__live::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 0 rgba(102, 245, 219, 0.55);
  animation: rail-pulse 2.8s ease-out infinite;
}

@keyframes rail-pulse {
  0% { box-shadow: 0 0 0 0 rgba(102, 245, 219, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(102, 245, 219, 0); }
  100% { box-shadow: 0 0 0 0 rgba(102, 245, 219, 0); }
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: 6px var(--gutter) 15px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  text-decoration: none;
  color: var(--text);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--teal-bright), var(--teal) 58%, var(--teal-deep));
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
  color: #04140F;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand__note {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
  white-space: nowrap;
}

.brand:hover .brand__note { color: var(--teal); }

/* 主导航（桌面） */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  margin-right: auto;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 11px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.site-nav__link::before {
  content: attr(data-idx);
  display: none;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.site-nav__link:hover {
  color: var(--text);
  background: rgba(14, 34, 48, 0.72);
}

.site-nav__link:hover::before { color: var(--teal); }

.site-nav__link[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 1px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-bright), var(--teal) 62%, transparent);
}

/* 右侧工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
}

.site-search {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 34, 48, 0.62);
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease),
    background-color 0.18s var(--ease);
}

.site-search:hover {
  border-color: var(--teal);
  color: var(--text);
  background: rgba(11, 107, 99, 0.28);
}

.site-search__glyph {
  position: relative;
  display: block;
  width: 11px;
  height: 11px;
  flex: none;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  color: var(--teal-bright);
}

.site-search__glyph::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 5px;
  height: 1.5px;
  border-radius: 1px;
  background: currentColor;
  transform: rotate(45deg);
}

.site-search__text { white-space: nowrap; }

.header-cta {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  clip-path: polygon(0 0, 100% 0, 100% 70%, 88% 100%, 0 100%);
  color: #0A1620;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
  white-space: nowrap;
  transition: filter 0.18s var(--ease), transform 0.18s var(--ease);
}

.header-cta:hover { filter: brightness(1.1); }
.header-cta:active { transform: translateY(1px); }

.catalog-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.catalog-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease), margin 0.2s var(--ease);
}

.catalog-toggle:hover { border-color: var(--teal); color: var(--teal-bright); }

.catalog-toggle[aria-expanded="true"] {
  border-color: var(--teal);
  color: var(--teal-bright);
}

.catalog-toggle[aria-expanded="true"]::after {
  margin-top: 2px;
  transform: rotate(-135deg);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 34, 48, 0.62);
  color: var(--text);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s var(--ease);
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

.nav-toggle__label { white-space: nowrap; }

/* 赛事目录面板 */
.catalog-panel {
  border-top: 1px solid var(--line);
  background: rgba(8, 22, 31, 0.98);
  box-shadow: 0 30px 50px -34px #000;
}

.catalog-panel[hidden] { display: none; }

.catalog-panel__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 34px;
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding: 20px var(--gutter) 24px;
}

.catalog-col { min-width: 0; }

.catalog-col__title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--teal);
}

.catalog-list { display: grid; gap: 2px; }

.catalog-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 2px;
  border-bottom: 1px dashed rgba(40, 68, 85, 0.6);
  color: var(--text);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.catalog-link:hover {
  color: var(--teal-bright);
  border-bottom-color: rgba(102, 245, 219, 0.5);
}

.catalog-link__meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 10. 页脚 ---------- */
.site-footer {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(56px, 8vw, 120px);
  padding-block: clamp(44px, 6vw, 76px) 26px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(35, 201, 176, 0.1), transparent 62%),
    radial-gradient(760px 380px at 92% 0%, rgba(255, 106, 61, 0.08), transparent 64%),
    linear-gradient(180deg, var(--ink-700) 0%, var(--ink-900) 48%);
  color: var(--muted);
  font-size: 13.5px;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--teal-bright) 28%, var(--amber) 62%, var(--orange));
  opacity: 0.9;
}

.footer-contours {
  position: absolute;
  right: -160px;
  bottom: -200px;
  z-index: 0;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
  background:
    repeating-radial-gradient(circle at 50% 50%, transparent 0 21px, rgba(40, 68, 85, 0.55) 21px 22px),
    radial-gradient(circle at 50% 50%, rgba(35, 201, 176, 0.12), transparent 66%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 26%, transparent 74%);
  mask-image: radial-gradient(circle at 50% 50%, #000 26%, transparent 74%);
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr 1.25fr 0.85fr;
  gap: clamp(22px, 3.4vw, 52px);
  padding-bottom: clamp(26px, 3.4vw, 44px);
}

.footer-brand { min-width: 0; }

.footer-wordmark {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text);
}

.footer-wordmark__tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 5px;
  border: 1px solid rgba(35, 201, 176, 0.42);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--teal-bright);
  vertical-align: super;
}

.footer-note {
  margin-top: 14px;
  max-width: 34ch;
  line-height: 1.75;
  color: var(--muted);
}

.footer-vert {
  margin-top: 20px;
  max-height: 110px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.9;
  letter-spacing: 0.3em;
  color: var(--teal-deep);
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin-bottom: 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--teal);
}

.footer-list { display: grid; gap: 9px; }

.footer-link {
  display: inline-block;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-link:hover {
  color: var(--teal-bright);
  border-bottom-color: rgba(102, 245, 219, 0.4);
}

.footer-contact { gap: 13px; }

.footer-contact__row { display: grid; gap: 2px; }

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.footer-contact__value {
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}

.footer-icp {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.footer-meta__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.footer-meta__label { color: var(--teal-deep); }
.footer-meta__value { color: var(--text); }

.footer-legal {
  margin-left: auto;
  color: var(--muted);
}

.footer-legal__links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-legal__link {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.footer-legal__link:hover { color: var(--teal-bright); }

/* ---------- 11. 动效 / 进度 ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 150;
  height: 2px;
  background: rgba(40, 68, 85, 0.45);
  pointer-events: none;
}

.scroll-progress__fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--teal-bright) 58%, var(--orange));
  transition: width 0.1s linear;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.62s var(--ease),
    transform 0.62s var(--ease);
  transition-delay: calc(var(--i, 0) * 64ms);
}

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

/* ---------- 12. 响应式：桌面细化 ---------- */
@media (min-width: 1260px) {
  .site-nav__link::before { display: inline; }
}

@media (max-width: 1240px) {
  .site-search__text { display: none; }
  .site-search { padding: 0 11px; }
  .brand__note { display: none; }
}

@media (max-width: 1099px) {
  .site-header__bar { flex-wrap: wrap; row-gap: 8px; }

  .brand { order: 1; margin-right: auto; }

  .header-tools { order: 2; }

  .nav-toggle { order: 3; display: inline-flex; }

  .site-nav {
    order: 4;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 4px var(--gutter) 20px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    background: var(--ink-850);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 32px 52px -32px #000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s linear;
  }

  .site-nav[data-open="false"] {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .site-nav__link {
    padding: 14px 2px;
    border-bottom: 1px solid rgba(40, 68, 85, 0.45);
    font-size: 15px;
    color: var(--text);
  }

  .site-nav__link[aria-current="page"]::after {
    left: 2px;
    right: auto;
    bottom: 7px;
    width: 28px;
  }

  .catalog-toggle { display: none; }

  .catalog-panel { display: none; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-vert { display: none; }
  .footer-legal { margin-left: 0; }
}

@media (max-width: 720px) {
  .header-rail__coord { display: none; }
  .header-rail { gap: 10px; font-size: 9px; letter-spacing: 0.16em; }

  .brand__mark { width: 30px; height: 30px; font-size: 11.5px; }
  .brand__name { font-size: 15px; letter-spacing: 0.06em; }

  .header-tools { gap: 6px; }
  .site-search { height: 34px; padding: 0 10px; }
  .header-cta { height: 34px; padding: 0 12px; font-size: 12px; }
  .nav-toggle { height: 34px; padding: 0 10px; }

  .catalog-panel__inner { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-note { max-width: none; }
  .footer-legal { font-size: 10px; }
  .footer-meta { gap: 10px 18px; }
}

/* ---------- 13. 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;
  }

  .header-rail__live::before { animation: none; }

  .scroll-progress__fill { transition: none; }

  [data-reveal],
  [data-reveal].is-revealed {
    opacity: 1 !important;
    transform: none !important;
    transition-delay: 0ms !important;
  }

  .site-nav { transform: none !important; }
}