/* ============================================================
   星空体育 · 共享 Site Kit（/assets/site.css）
   深空观测基调：深空底 + 星云紫 + 电光青 + 暖金
   ============================================================ */

:root {
  --ink: #070B18;
  --ink-deep: #0E1428;
  --panel: #141C36;
  --violet: #7B5CFF;
  --cyan: #2FE3E8;
  --gold: #F2B84B;
  --paper: #F4EDE1;
  --text: #EAF0FF;
  --muted: #9AA6C4;
  --line: #2A3350;
  --rose: #FF7A93;

  --font-display: "Helvetica Neue", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: system-ui, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --shell: 1240px;
  --gutter: clamp(16px, 4vw, 44px);
  --cut: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 128px;
}
body, h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 1px; }
::selection { background: var(--violet); color: #FFFFFF; }

/* ---------- 中文排版基线 ---------- */
body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}
/* 极低透明度观测噪点 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.032;
  background-image: radial-gradient(#FFFFFF 0.5px, transparent 0.7px);
  background-size: 3px 3px;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.08; }
h2 { font-size: clamp(1.55rem, 3vw, 2.125rem); }
h3 { font-size: 1.25rem; line-height: 1.4; }
h4 { font-size: 1.0625rem; line-height: 1.5; }
p { text-wrap: pretty; }

/* ---------- 布局骨架 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(44px, 7vw, 88px); }
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.rule { height: 1px; border: 0; margin: 0; background: var(--line); }

/* ---------- 工具 ---------- */
.mono { font-family: var(--font-mono); letter-spacing: 0.04em; }
.text-mute { color: var(--muted); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  flex: 0 0 auto;
}
.stat {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

/* ---------- 呈现动效协议 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}
[data-reveal][data-revealed="true"] { opacity: 1; transform: none; }

/* ---------- 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.24s var(--ease), background 0.24s, border-color 0.24s, color 0.24s, box-shadow 0.24s;
}
.btn--primary {
  padding-right: 34px;
  color: #F8FAFF;
  background: linear-gradient(104deg, #9A80FF 0%, var(--violet) 40%, #5A3EF0 100%);
  box-shadow: 0 10px 30px -16px rgba(123, 92, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn--primary::after {
  content: "";
  position: absolute;
  right: 15px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  opacity: 0.9;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px -18px rgba(123, 92, 255, 1), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn--ghost {
  border-color: var(--line);
  background: rgba(20, 28, 54, 0.55);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(47, 227, 232, 0.08);
}
.btn--sm { padding: 9px 16px; font-size: 12.5px; letter-spacing: 0.08em; }
.btn--cta {
  padding: 10px 34px 10px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

/* ---------- 面板 ---------- */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 28px);
}
.panel--cut {
  border: 0;
  background:
    linear-gradient(148deg, rgba(123, 92, 255, 0.16), rgba(20, 28, 54, 0.96) 46%),
    var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  padding: calc(clamp(18px, 3vw, 28px) + 4px);
}
.panel--paper {
  background: var(--paper);
  border-color: #DCD3C2;
  color: #1A2138;
}
.panel--paper :is(h1, h2, h3, h4) { color: #0B1226; }
.panel--paper .eyebrow { color: #5A3EF0; }
.panel--paper .eyebrow::before { background: #5A3EF0; }

/* ---------- 筛选 chip ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.chip:hover { color: var(--text); border-color: #3A4568; }
.chip[aria-pressed="true"],
.chip[data-active="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(47, 227, 232, 0.1);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 232, 0.35);
}

/* ---------- 图片容器基础（页面阶段放占位图） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #101A34 0%, #070B18 72%);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.86);
}
.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: linear-gradient(transparent, rgba(7, 11, 24, 0.94));
}

/* ---------- 面包屑 ---------- */
.breadcrumbs { margin-block: 22px 0; }
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item + .breadcrumbs__item::before { content: "/"; color: var(--line); }
.breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.breadcrumbs__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

/* ---------- 正文容器 ---------- */
.prose { max-width: 40rem; color: var(--text); }
.prose p { margin-block: 0 1.15em; color: #D6DEF5; }
.prose p:last-child { margin-bottom: 0; }
.prose :is(h2, h3) { margin-block: 1.9em 0.6em; }
.prose ul, .prose ol { list-style: revert; padding-left: 1.4em; margin-block: 0 1.15em; }
.prose li { margin-block: 0.35em; }
.prose strong { color: var(--gold); font-weight: 700; }
.prose a { color: var(--cyan); text-underline-offset: 3px; }

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(7, 11, 24, 0.98), rgba(7, 11, 24, 0.92));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 8px;
  z-index: 120;
  transform: translateY(-220%);
  padding: 10px 16px;
  background: var(--gold);
  color: #141005;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.header-rail {
  position: relative;
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(42, 51, 80, 0.75);
}
.rail-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  min-height: 34px;
  padding-block: 6px;
}
.rail-brand {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.rail-status {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.status-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 227, 232, 0.15);
}
.status-chip--live .status-dot { animation: pulse-dot 2.4s ease-in-out infinite; }
.status-chip--fav .status-dot {
  background: var(--gold);
  border-radius: 1px;
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.16);
}
.fav-num { color: var(--gold); font-weight: 700; }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}
.progress-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  background: rgba(42, 51, 80, 0.6);
}
.progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 68%, var(--gold));
  transition: width 0.08s linear;
}

.header-bar { position: relative; }
.bar-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  min-height: 64px;
  padding-block: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  background: linear-gradient(140deg, var(--violet) 0%, #3424A8 56%, var(--cyan) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}
.brand-mark__line {
  width: 16px;
  height: 2px;
  background: var(--paper);
  transform: rotate(-32deg);
  box-shadow: 0 6px 0 -0.5px rgba(244, 237, 225, 0.55);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}
.brand-sub {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.primary-nav { justify-self: center; min-width: 0; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { display: flex; min-width: 0; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 10px 13px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.22s;
}
.nav-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--violet);
  transition: color 0.22s;
}
.nav-text { white-space: nowrap; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 5px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.26s var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible { color: var(--text); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] {
  color: var(--text);
  background: rgba(123, 92, 255, 0.08);
}
.nav-link[aria-current="page"] .nav-index { color: var(--gold); }
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 0.22s, border-color 0.22s, background 0.22s;
}
.nav-toggle__bars {
  width: 16px;
  height: 10px;
  background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 100% 1.5px, 100% 1.5px;
  background-position: 0 0, 0 100%;
  transition: transform 0.24s var(--ease);
}
.nav-toggle__label { font-family: var(--font-mono); }
.nav-toggle:hover { color: var(--cyan); border-color: var(--cyan); }
.nav-toggle[aria-expanded="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(47, 227, 232, 0.08);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { transform: scaleY(0.55) rotate(180deg); }

/* ---------- 头部：平板与手机 ---------- */
@media (max-width: 960px) {
  html { scroll-padding-top: 108px; }
  .bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .nav-toggle { display: inline-flex; }
  .header-actions { display: none; }
  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 70;
    display: none;
    background: linear-gradient(180deg, var(--ink-deep), var(--ink));
    border-bottom: 1px solid var(--line);
    box-shadow: 0 34px 60px -32px #000000;
  }
  .primary-nav[data-open="true"] {
    display: block;
    animation: nav-drop 0.26s var(--ease);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    padding: 10px var(--gutter) 18px;
  }
  .nav-item { display: flex; }
  .nav-link {
    width: 100%;
    padding: 14px 2px;
    font-size: 15px;
    border-bottom: 1px dashed rgba(42, 51, 80, 0.85);
  }
  .nav-link::after { left: 2px; right: 2px; bottom: 8px; }
  .nav-link[aria-current="page"] {
    background: rgba(242, 184, 75, 0.07);
    box-shadow: inset 3px 0 0 var(--gold);
    padding-left: 12px;
  }
  @keyframes nav-drop {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: none; }
  }
}
@media (max-width: 540px) {
  .rail-brand { font-size: 10px; letter-spacing: 0.1em; }
  .rail-status { gap: 6px 14px; }
  .status-chip { font-size: 10px; }
  .brand-name { font-size: 17px; }
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-deep) 0%, #0A0F1F 56%, var(--ink) 100%);
  color: var(--muted);
}
.footer-sky {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.sky-arc {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(123, 92, 255, 0.22);
}
.sky-arc:first-child {
  width: 560px;
  height: 560px;
  right: -140px;
  top: -300px;
}
.sky-arc--wide {
  width: 900px;
  height: 900px;
  right: -280px;
  top: -520px;
  border-style: dashed;
  border-color: rgba(47, 227, 232, 0.13);
}
.sky-scale {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 12px;
  opacity: 0.6;
  background-image: repeating-linear-gradient(90deg, rgba(123, 92, 255, 0.55) 0 1px, transparent 1px 24px);
}
.footer-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(40px, 6vw, 72px) 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr);
  gap: clamp(28px, 5vw, 64px);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.brand--footer { gap: 12px; color: var(--text); }
.brand--footer .brand-name { font-size: 20px; }
.footer-slogan {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: var(--text);
  max-width: 15em;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}
.footer-col { min-width: 0; }
.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  position: relative;
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.22s, transform 0.22s var(--ease);
}
.footer-link::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible { color: var(--cyan); transform: translateX(4px); }
.footer-link:hover::before,
.footer-link:focus-visible::before { transform: scaleX(1); }

.footer-contact {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}
.contact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px 28px;
  margin-bottom: 16px;
}
.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  font-size: 14px;
}
.contact-label {
  min-width: 64px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.contact-value { color: var(--text); word-break: break-word; }
.contact-note {
  max-width: 46em;
  padding-left: 14px;
  border-left: 2px solid var(--violet);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}
.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 18px;
  border-top: 1px dashed rgba(42, 51, 80, 0.9);
}
.footer-legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  opacity: 0.6;
  transition: color 0.22s, border-color 0.22s, opacity 0.22s;
}
.to-top[data-visible="true"] { opacity: 1; }
.to-top:hover { color: var(--gold); border-color: var(--gold); }
.to-top__arrow { transition: transform 0.22s var(--ease); }
.to-top:hover .to-top__arrow { transform: translateY(-3px); }

@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-slogan { max-width: none; }
}
@media (max-width: 560px) {
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-base { justify-content: flex-start; }
}

/* ============================================================
   响应式与动效降级
   ============================================================ */
@media (max-width: 960px) {
  .grid--2 { grid-template-columns: 1fr; }
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .grid--12 { grid-template-columns: 1fr; }
  .prose { max-width: none; }
}

@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;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .status-chip--live .status-dot { animation: none !important; }
}