/* ============================================================
   TVT赛事 · 共享样式 /assets/site.css
   夜间战术板体系：深墨蓝底 + 坐标网格 + 电光青结构线 + 荧光绿数据点
   ============================================================ */

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

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(27, 58, 82, 0.32) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 58, 82, 0.32) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.is-nav-open { overflow: hidden; }

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--lime); }

::selection { background: var(--cyan); color: #04141b; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #050F1B;
  --ink-2: #08182A;
  --panel: #0B2136;
  --line: #1B3A52;
  --line-soft: rgba(27, 58, 82, 0.55);
  --cyan: #2FE0E8;
  --cyan-soft: rgba(47, 224, 232, 0.12);
  --lime: #A6F53C;
  --lime-soft: rgba(166, 245, 60, 0.12);
  --orange: #FF7A3C;
  --orange-soft: rgba(255, 122, 60, 0.14);
  --red: #FF4D5E;
  --text: #E9F3F9;
  --muted: #8FA8BC;

  --font-display: 'Barlow Condensed', 'Oswald', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;

  --wrap-max: 1320px;
  --pad: 24px;
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;
  --r-pill: 999px;
  --shadow: 0 24px 56px -36px rgba(0, 0, 0, 0.95);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

@media (max-width: 768px) {
  :root { --pad: 16px; }
  body { background-size: 48px 48px; }
}

/* ---------- 3. 基础排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.14;
  color: var(--text);
}
h1 { font-size: clamp(28px, 4vw, 52px); }
h2 { font-size: clamp(23px, 3vw, 36px); }
h3 { font-size: clamp(18px, 2vw, 24px); }
h4 { font-size: 17px; letter-spacing: 0; }

p { max-width: 68ch; }

/* ---------- 4. 工具类与布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }

#main-content { scroll-margin-top: 128px; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
@media (min-width: 1100px) {
  .layout--rail { grid-template-columns: 264px minmax(0, 1fr); gap: 40px; }
}
.layout__rail { min-width: 0; }
.layout__main { min-width: 0; }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1000px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 1000px) {
  .grid--stagger > :nth-child(even) { margin-top: 26px; }
}

/* ---------- 5. 章节头 / 标签 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--cyan);
  flex: 0 0 auto;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px 32px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.section-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
  margin: 0;
}
.section-head__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.section-head__note {
  margin: 0;
  max-width: 44ch;
  font-size: 13px;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--muted);
  white-space: nowrap;
}
.tag--cyan { color: var(--cyan); border-color: rgba(47, 224, 232, 0.4); background: var(--cyan-soft); }
.tag--lime { color: var(--lime); border-color: rgba(166, 245, 60, 0.36); background: var(--lime-soft); }
.tag--orange { color: var(--orange); border-color: rgba(255, 122, 60, 0.36); background: var(--orange-soft); }

.status-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 77, 94, 0.16);
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.78); }
}

/* ---------- 6. 面板与数据卡 ---------- */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(47, 224, 232, 0.1), transparent 44%);
}

.data-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 18px 16px;
  transition: transform 0.12s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.data-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(47, 224, 232, 0.32), 0 20px 44px -30px rgba(47, 224, 232, 0.7);
}
.data-card__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.data-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}
.data-card__value--lime { color: var(--lime); }
.data-card__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--cyan); color: #04141b; }
.btn--primary:hover { background: #63edf2; color: #04141b; }

.btn--ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn--member { background: var(--orange); color: #1a0f08; }
.btn--member:hover { background: #ff9459; color: #1a0f08; }

/* ---------- 8. 面包屑 / 正文 / 表格 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: var(--line); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs [aria-current="page"] { color: var(--cyan); }

.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.1em; }
.prose h2, .prose h3 {
  font-family: var(--font-display);
  letter-spacing: -0.015em;
  margin: 1.6em 0 0.5em;
}
.prose ul, .prose ol { padding-left: 1.25em; margin: 0 0 1.1em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin: 0.35em 0; }
.prose strong { color: var(--lime); font-weight: 600; }
.prose a {
  text-decoration: underline;
  text-decoration-color: rgba(47, 224, 232, 0.45);
  text-underline-offset: 3px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.table th, .table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}
.table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.table tbody tr:nth-child(even) { background: rgba(27, 58, 82, 0.18); }
.table td.num, .table th.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ---------- 9. 图片容器（供页面阶段放置占位图） ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}
.media--square { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.06) saturate(0.9) brightness(0.92);
}
.media__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(5, 15, 27, 0) 0%, rgba(5, 15, 27, 0.92) 100%);
  font-size: 12px;
  color: var(--muted);
}
.media__caption {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 10. 滚动显现 ---------- */
.js-on [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.js-on [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 11. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 16px;
  top: -72px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  color: #04141b;
  font-size: 14px;
  font-weight: 600;
  transition: top 0.18s ease;
}
.skip-link:focus { top: 16px; color: #04141b; }

/* ---------- 12. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(47, 224, 232, 0) 38%);
  opacity: 0.6;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  z-index: 120;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
  box-shadow: 0 0 10px rgba(47, 224, 232, 0.6);
}

.header-utility { border-bottom: 1px solid var(--line-soft); }
.header-utility__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
  transition: height 0.26s var(--ease);
}
.site-header.is-condensed .header-utility__inner { height: 48px; }

.brand-mini {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-width: 0;
}
.brand-mini__mark {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 0 14px rgba(47, 224, 232, 0.5);
}
.brand-mini__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}
.brand-mini__tag {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
  transition: opacity 0.2s ease;
}
.site-header.is-condensed .brand-mini__tag { opacity: 0; }

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.tool-btn:hover { color: var(--text); border-color: var(--cyan); }
.tool-btn__count {
  padding: 1px 6px;
  border-radius: var(--r-pill);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
}

/* 搜索 */
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 220px;
  min-width: 0;
  max-width: 380px;
  height: 38px;
  padding: 0 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 224, 232, 0.14);
}
.search__icon {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  color: var(--muted);
}
.search__input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  background: none;
  border: 0;
  outline: none;
  font-size: 14px;
  color: var(--text);
}
.search__input::placeholder { color: var(--muted); }
.search__input::-webkit-search-cancel-button { display: none; }

.search__suggest {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  z-index: 60;
  padding: 6px;
  max-height: 288px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
}
.search__suggest a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 14px;
}
.search__suggest a:hover,
.search__suggest a:focus-visible {
  background: var(--cyan-soft);
  color: var(--text);
}
.search__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.search__empty {
  padding: 10px;
  font-size: 13px;
  color: var(--muted);
}

/* 导航 */
.header-nav-bar .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1 1 auto;
  height: 52px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: color 0.16s ease, background-color 0.16s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link[aria-current="page"] { color: var(--text); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  box-shadow: 0 0 10px rgba(166, 245, 60, 0.7);
}

/* 移动端按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--text);
  transition: border-color 0.18s ease;
}
.nav-toggle:hover { border-color: var(--cyan); }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background-color 0.2s ease;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  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); }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  margin-top: 80px;
  padding: 56px 0 32px;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
  gap: 36px 28px;
}

.footer-brand__name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.footer-brand__mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
}
.footer-brand__meta {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--muted);
  max-width: 30ch;
}

.footer-group__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.footer-list { display: grid; gap: 8px; }
.footer-list a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.16s ease;
}
.footer-list a:hover { color: var(--lime); }

.footer-meta {
  display: grid;
  gap: 6px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.footer-meta p { max-width: 96ch; }
.footer-meta__address { color: var(--muted); }
.footer-meta__legal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    width: min(320px, 86vw);
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 88px 20px 32px;
    overflow-y: auto;
    background: var(--ink-2);
    border-left: 1px solid var(--line);
    box-shadow: -24px 0 60px -30px rgba(0, 0, 0, 0.95);
    transform: translateX(102%);
    transition: transform 0.28s var(--ease);
  }
  .header-nav[data-open="true"] { transform: translateX(0); }

  .nav-link {
    height: auto;
    padding: 14px 12px;
    border-radius: var(--r-sm);
    border-bottom: 1px solid var(--line-soft);
    font-size: 16px;
  }
  .nav-link[aria-current="page"] {
    background: var(--cyan-soft);
    color: var(--text);
  }
  .nav-link[aria-current="page"]::after {
    left: auto;
    right: 12px;
    top: 50%;
    bottom: auto;
    width: 7px;
    height: 7px;
    transform: translateY(-50%);
    border-radius: 50%;
  }
}

@media (max-width: 900px) {
  .header-utility__inner { gap: 14px; }
  .brand-mini__tag { display: none; }
  .search { max-width: none; }
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-brand { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
  .site-footer { padding-top: 40px; margin-top: 56px; }
  .section { padding: 48px 0; }
}

@media (max-width: 600px) {
  .brand-mini__name { font-size: 17px; }
  .header-tools { gap: 6px; }
  .tool-btn { padding: 0 10px; }
  .btn--member { padding: 0 12px; font-size: 12px; }
  .header-utility__inner { height: 56px; }
  .site-header.is-condensed .header-utility__inner { height: 50px; }
  #main-content { scroll-margin-top: 116px; }
}

/* ---------- 15. 焦点与动效偏好 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js-on [data-reveal] { opacity: 1; transform: none; }
  .data-card:hover { transform: none; }
}