/* ============================================================
   吉祥访体育 · 共享样式（/assets/site.css）
   夜间赛场控制室 × 老式战报档案
   ============================================================ */

:root {
  --ink-900: #07110E;
  --ink-800: #0B1F1A;
  --ink-700: #12372E;
  --ink-600: #052E2B;
  --mint: #38F2D0;
  --mint-deep: #1E9C87;
  --amber: #F5B94C;
  --fog: #E8F3EF;
  --slate: #7EA79B;
  --paper: #D8C9A6;
  --coral: #FF6B5A;

  --rail-w: 264px;
  --content-max: 1160px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;

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

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
}

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

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

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

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

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

button { font: inherit; color: inherit; }

/* ---------- 基础排版 ---------- */
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 560px at 100% -8%, rgba(56, 242, 208, .07), transparent 62%),
    radial-gradient(900px 520px at -6% 108%, rgba(245, 185, 76, .05), transparent 60%),
    var(--ink-900);
  color: var(--fog);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--fog);
}

h1 { font-size: clamp(1.9rem, 3.4vw, 2.85rem); }
h2 { font-size: clamp(1.42rem, 2.2vw, 1.95rem); }
h3 { font-size: 1.1rem; font-weight: 700; letter-spacing: 0; }
h4 { font-size: .98rem; font-weight: 700; letter-spacing: 0; }

p { max-width: 68ch; }

a {
  color: var(--mint);
  text-decoration: none;
  transition: color .18s ease;
}

a:hover { color: var(--mint); text-decoration: underline; text-underline-offset: 3px; }

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

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

/* ---------- 工具类 ---------- */
.sr-only {
  position: absolute;
  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: .04em;
}

.lead {
  font-size: 1.04rem;
  line-height: 1.85;
  color: rgba(232, 243, 239, .82);
  max-width: 62ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mint);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--mint);
  opacity: .8;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 24px;
}

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

/* ---------- 跳到主内容 ---------- */
.skip-link {
  position: fixed;
  top: -90px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 11px 22px;
  border-radius: 0 0 16px 16px;
  background: var(--mint);
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  transition: top .18s ease;
}

.skip-link:focus {
  top: 0;
  color: var(--ink-900);
  text-decoration: none;
}

/* ============================================================
   头部：侧边联赛轨道
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 26px 20px 22px;
  background: linear-gradient(178deg, #0B1F1A 0%, #081713 56%, #07110E 100%);
  border-inline-end: 1px solid rgba(126, 167, 155, .16);
  overflow-y: auto;
  z-index: 60;
  isolation: isolate;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(158deg, rgba(56, 242, 208, .13) 0%, rgba(56, 242, 208, 0) 38%),
    linear-gradient(332deg, rgba(245, 185, 76, .09) 0%, rgba(245, 185, 76, 0) 32%);
  pointer-events: none;
}

.rail-progress {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--mint) 0%, var(--mint-deep) 100%);
  transform-origin: top center;
  transform: scaleY(var(--scroll, 0));
  opacity: .9;
  border-radius: 3px;
  pointer-events: none;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--fog);
}

.brand:hover { text-decoration: none; color: var(--fog); }
.brand:focus-visible { outline-offset: 5px; border-radius: 12px; }

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: none;
  background: linear-gradient(150deg, var(--mint), var(--mint-deep));
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
}

.brand-mark::before {
  top: 11px;
  left: 8px;
  right: 8px;
}

.brand-mark::after {
  top: 20px;
  left: 8px;
  width: 10px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .01em;
  color: var(--fog);
  white-space: nowrap;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .16em;
  color: var(--slate);
  white-space: nowrap;
}

/* 移动端开关 */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 80;
  width: 44px;
  height: 44px;
  flex: none;
  padding: 0;
  border-radius: 14px;
  border: 1px solid rgba(126, 167, 155, .35);
  background: rgba(18, 55, 46, .6);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}

.nav-toggle:hover {
  border-color: rgba(56, 242, 208, .6);
  background: rgba(56, 242, 208, .1);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px auto;
  border-radius: 2px;
  background: var(--fog);
  transition: transform .22s ease, opacity .18s ease;
}

.site-header[data-open="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-header[data-open="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-header[data-open="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 导航 */
.site-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1 1 auto;
  min-height: 0;
}

.nav-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.nav-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(126, 167, 155, .45), rgba(126, 167, 155, 0));
}

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

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

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 10px 9px 14px;
  border-radius: 10px;
  color: rgba(232, 243, 239, .78);
  font-size: .94rem;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 3px;
  background: var(--mint);
  transform: translateY(-50%);
  transition: height .22s ease;
}

.nav-link:hover {
  background: rgba(56, 242, 208, .08);
  color: var(--fog);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  background: linear-gradient(90deg, rgba(56, 242, 208, .16), rgba(56, 242, 208, 0));
  color: var(--mint);
  font-weight: 600;
}

.nav-link[aria-current="page"]::before { height: 20px; }

.nav-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .66rem;
  letter-spacing: .08em;
  color: var(--slate);
}

.nav-link[aria-current="page"] .nav-num { color: var(--mint); }

.nav-foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-block-start: auto;
  padding-block-start: 16px;
  border-block-start: 1px solid rgba(126, 167, 155, .16);
}

.nav-note {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  line-height: 1.7;
  color: var(--slate);
  max-width: none;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(120deg, var(--mint), #25B7A1);
  color: #04120F;
  box-shadow: 0 10px 26px -14px rgba(56, 242, 208, .9);
}

.btn-primary:hover {
  color: #04120F;
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -14px rgba(56, 242, 208, .85);
}

.btn-ghost {
  background: transparent;
  color: var(--fog);
  border-color: rgba(126, 167, 155, .4);
}

.btn-ghost:hover {
  color: var(--mint);
  border-color: var(--mint);
}

.btn-amber {
  background: var(--amber);
  color: #231703;
  box-shadow: 0 10px 24px -14px rgba(245, 185, 76, .9);
}

.btn-amber:hover { color: #231703; transform: translateY(-1px); }

.btn-block { width: 100%; }
.btn-sm { padding: 8px 15px; font-size: .8rem; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-block-start: 0;
  background: linear-gradient(180deg, #081713 0%, #0B1F1A 42%, #07110E 100%);
  border-block-start: 1px solid rgba(126, 167, 155, .18);
  color: var(--fog);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint) 0%, rgba(56, 242, 208, 0) 32%, rgba(245, 185, 76, .85) 66%, rgba(245, 185, 76, 0) 100%);
  opacity: .75;
}

.footer-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 56px 24px 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 44px;
}

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

.footer-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -.02em;
  color: var(--fog);
  line-height: 1.2;
}

.footer-summary {
  margin-block-start: 12px;
  max-width: 36ch;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(232, 243, 239, .72);
}

.footer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: 18px;
}

.footer-chip {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(56, 242, 208, .3);
  background: rgba(56, 242, 208, .07);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .08em;
  color: var(--mint);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.footer-col-title {
  margin-block-end: 12px;
  padding-block-end: 10px;
  border-block-end: 1px solid rgba(126, 167, 155, .2);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
  max-width: none;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-link {
  color: rgba(232, 243, 239, .78);
  font-size: .9rem;
  text-decoration: none;
  transition: color .18s ease;
}

.footer-link:hover { color: var(--mint); text-decoration: none; }

.footer-meta {
  border-block-start: 1px solid rgba(126, 167, 155, .15);
  background: rgba(4, 16, 13, .5);
}

.footer-meta-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 22px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 34px;
}

.footer-contact-line {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--slate);
  max-width: none;
}

.footer-contact-value { color: var(--fog); }

.footer-contact-note {
  flex-basis: 100%;
  font-size: .76rem;
  line-height: 1.7;
  color: rgba(126, 167, 155, .92);
  max-width: 70ch;
}

.footer-base {
  background: #050C0A;
  border-block-start: 1px solid rgba(126, 167, 155, .12);
}

.footer-base-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 16px 24px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .05em;
  color: rgba(126, 167, 155, .85);
  max-width: none;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-link--legal {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .05em;
  color: rgba(126, 167, 155, .9);
}

/* ============================================================
   通用内容组件
   ============================================================ */
.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)); }

.card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 55, 46, .92), rgba(11, 31, 26, .92));
  border: 1px solid rgba(126, 167, 155, .2);
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  top: -34px;
  right: -34px;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 242, 208, .16), rgba(56, 242, 208, 0) 70%);
  pointer-events: none;
}

.card--paper {
  background: linear-gradient(165deg, #E2D4B2, #CFBE97);
  border-color: rgba(27, 35, 31, .18);
  color: #1B231F;
}

.card--paper::after { display: none; }

.card-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--fog);
}

.card--paper .card-title { color: #14201C; }

.card-text {
  margin-block-start: 8px;
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(232, 243, 239, .76);
  max-width: none;
}

.card--paper .card-text { color: rgba(27, 35, 31, .82); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid rgba(126, 167, 155, .4);
  background: rgba(18, 55, 46, .5);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .08em;
  color: var(--slate);
  white-space: nowrap;
}

.tag--mint {
  color: var(--mint);
  border-color: rgba(56, 242, 208, .45);
  background: rgba(56, 242, 208, .1);
}

.tag--amber {
  color: var(--amber);
  border-color: rgba(245, 185, 76, .48);
  background: rgba(245, 185, 76, .12);
}

.tag--coral {
  color: var(--coral);
  border-color: rgba(255, 107, 90, .48);
  background: rgba(255, 107, 90, .12);
}

.tag--paper {
  color: #2A2418;
  border-color: rgba(42, 36, 24, .3);
  background: var(--paper);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--slate);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(126, 167, 155, .5);
}

.breadcrumbs a { color: var(--slate); text-decoration: none; }
.breadcrumbs a:hover { color: var(--mint); text-decoration: none; }
.breadcrumbs [aria-current="page"] { color: var(--fog); }

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(126, 167, 155, .2);
  background: linear-gradient(150deg, #12372E, #07110E 72%);
  aspect-ratio: 16 / 9;
}

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

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(56, 242, 208, .07) 0 2px, rgba(56, 242, 208, 0) 2px 22px);
  pointer-events: none;
}

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

.media-caption {
  margin-block-start: 10px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--slate);
  max-width: none;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid rgba(126, 167, 155, .32);
  background: transparent;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(232, 243, 239, .78);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.filter-btn:hover {
  border-color: var(--mint);
  color: var(--mint);
}

.filter-btn.is-active {
  background: var(--mint);
  border-color: var(--mint);
  color: #04120F;
  font-weight: 700;
}

.accordion {
  border: 1px solid rgba(126, 167, 155, .22);
  border-radius: var(--radius-md);
  background: rgba(11, 31, 26, .72);
  overflow: hidden;
}

.accordion + .accordion { margin-block-start: 10px; }

.accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .94rem;
  color: var(--fog);
  list-style: none;
}

.accordion summary::-webkit-details-marker { display: none; }

.accordion summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--mint);
}

.accordion[open] summary::after { content: "−"; }

.accordion-body {
  padding: 0 18px 18px;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(232, 243, 239, .8);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(126, 167, 155, .18);
  background: rgba(18, 55, 46, .55);
}

.stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mint);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* 状态与动效 */
.is-hidden { display: none !important; }

.will-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease, transform .55s cubic-bezier(.22, .7, .3, 1);
}

.will-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   桌面端主体偏移（侧轨占位）
   ============================================================ */
@media (min-width: 900px) {
  body { padding-inline-start: var(--rail-w); }
}

/* ============================================================
   平板 / 移动端
   ============================================================ */
@media (max-width: 899px) {
  .site-header {
    position: sticky;
    top: 0;
    left: auto;
    bottom: auto;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: 0;
    padding: 10px 16px;
    border-inline-end: 0;
    border-block-end: 1px solid rgba(126, 167, 155, .18);
    background: linear-gradient(180deg, #0B1F1A, #07110E);
    overflow: visible;
  }

  .site-header::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 62;
    background: rgba(3, 9, 8, .72);
    opacity: 0;
    pointer-events: none;
    transition: opacity .24s ease;
  }

  .site-header[data-open="true"]::after {
    opacity: 1;
    pointer-events: auto;
  }

  .rail-progress { display: none; }

  .header-bar {
    position: relative;
    z-index: 64;
    width: 100%;
  }

  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(84vw, 340px);
    padding: 84px 20px 28px;
    background: linear-gradient(200deg, #0B1F1A, #07110E 72%);
    border-inline-start: 1px solid rgba(126, 167, 155, .2);
    box-shadow: -24px 0 60px -30px rgba(0, 0, 0, .9);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform .28s cubic-bezier(.33, 0, .2, 1), visibility .28s;
    overflow-y: auto;
    z-index: 70;
  }

  .site-header[data-open="true"] .site-nav {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-link {
    padding: 12px 12px 12px 16px;
    font-size: 1rem;
  }

  .nav-num { font-size: .7rem; }

  .nav-foot { margin-block-start: 26px; }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
    padding: 44px 20px 34px;
  }

  .footer-meta-inner { padding: 20px; }
  .footer-base-inner { padding: 16px 20px 24px; }

  .section { padding-block: 48px; }
}

@media (max-width: 760px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }

  .container { padding-inline: 16px; }

  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-meta-inner { padding-inline: 16px; gap: 8px 20px; }
  .footer-base-inner { padding-inline: 16px; }
  .footer-copy { font-size: .66rem; }
  .footer-legal { width: 100%; }

  .section { padding-block: 40px; }
  .card { padding: 18px; }
}

/* ============================================================
   无障碍：减少动态
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .will-reveal {
    opacity: 1;
    transform: none;
  }

  .btn:hover,
  .btn-primary:hover,
  .btn-amber:hover { transform: none; }
}