/* ===== 星空平台赛事 · 全站共享样式 /assets/site.css ===== */

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

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

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

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

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

button { font: inherit; }

/* ---------- tokens ---------- */
:root {
  --deep: #060A1C;
  --stand: #0E1730;
  --nebula: #2A1B4D;
  --glass: rgba(255, 255, 255, 0.08);
  --orange: #FF6A2B;
  --cyan: #2BE3D1;
  --star: #E9EDF7;
  --mist: #A7B0C8;
  --orbit: #6E5FA8;
  --amber: #FFC24B;
  --green: #3FD08A;

  --line: rgba(110, 95, 168, 0.35);
  --line-soft: rgba(110, 95, 168, 0.22);
  --text-body: #D5DBEB;

  --r-card: 18px;
  --r-glass: 20px;
  --r-pill: 999px;

  --shell: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 118px;

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "HarmonyOS Sans SC", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, monospace;
}

/* ---------- base ---------- */
body {
  padding-top: var(--header-h);
  background-color: var(--deep);
  background-image:
    radial-gradient(1100px 560px at 10% -10%, rgba(43, 227, 209, 0.10), transparent 62%),
    radial-gradient(960px 620px at 94% 2%, rgba(42, 27, 77, 0.85), transparent 66%),
    radial-gradient(720px 460px at 56% 112%, rgba(255, 106, 43, 0.07), transparent 70%);
  color: var(--star);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 960px) {
  body { background-attachment: fixed; }
}

main { display: block; }

a { color: inherit; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: rgba(43, 227, 209, 0.32);
  color: var(--star);
}

/* ---------- 排版工具 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--star);
}

h1 { font-size: clamp(28px, 5.2vw, 58px); text-shadow: 0 0 24px rgba(43, 227, 209, 0.18); }
h2 { font-size: clamp(22px, 3vw, 34px); }
h3 { font-size: clamp(18px, 2vw, 24px); }

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
  color: var(--star);
}

.label {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--mist);
  text-transform: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 布局 ---------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.split__aside {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  display: grid;
  gap: 16px;
}

@media (max-width: 1000px) {
  .split { grid-template-columns: 1fr; }
  .split__aside { position: static; }
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
}

.section { margin-block: clamp(40px, 7vw, 88px); }

.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  max-width: 68ch;
}

.section-title { margin: 0; }

.section-sub {
  color: var(--mist);
  font-size: 15.5px;
  max-width: 62ch;
}

/* ---------- 文本容器 ---------- */
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text-body);
}

.prose > * + * { margin-top: 1em; }

.prose h2,
.prose h3 { margin-top: 1.6em; color: var(--star); }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.prose a:hover { color: var(--star); }

.prose ul,
.prose ol { padding-left: 1.3em; }

.prose ul { list-style: none; }

.prose ul li { position: relative; padding-left: 1em; }

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(43, 227, 209, 0.8);
}

.prose ol { list-style: decimal; }

.prose li + li { margin-top: 0.5em; }

.prose strong { color: var(--star); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn--primary {
  background: var(--orange);
  color: #140A03;
  box-shadow: 0 14px 32px -16px rgba(255, 106, 43, 0.95);
}

.btn--primary:hover { background: #FF8352; transform: translateY(-1px); }

.btn--ghost {
  background: rgba(43, 227, 209, 0.08);
  border-color: rgba(43, 227, 209, 0.45);
  color: var(--cyan);
}

.btn--ghost:hover { background: rgba(43, 227, 209, 0.16); }

.btn--quiet {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: var(--star);
}

.btn--quiet:hover { background: rgba(255, 255, 255, 0.11); }

.btn--sm { min-height: 38px; padding: 0 16px; font-size: 14px; }

/* ---------- 面层 ---------- */
.panel {
  background: var(--stand);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-card);
  padding: clamp(18px, 2.4vw, 28px);
}

.glass {
  background: var(--glass);
  border: 1px solid rgba(233, 237, 247, 0.14);
  border-radius: var(--r-glass);
  padding: clamp(16px, 2.2vw, 24px);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
}

/* ---------- 星轨分割线 ---------- */
.starline {
  position: relative;
  height: 1px;
  margin-block: clamp(30px, 5vw, 62px);
  border: 0;
  background: linear-gradient(90deg, transparent, rgba(110, 95, 168, 0.7), transparent);
}

.starline::before,
.starline::after,
.starline > span::before {
  content: "";
  position: absolute;
  top: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.starline::before {
  left: 12%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(43, 227, 209, 0.85);
}

.starline::after {
  right: 22%;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 106, 43, 0.85);
}

.starline > span::before {
  left: 46%;
  width: 3px;
  height: 3px;
  background: rgba(233, 237, 247, 0.7);
}

.starline--alt { transform: scaleX(-1); }
.starline--alt::before,
.starline--alt::after { transform: scaleX(-1); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 数据条 ---------- */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--star);
  line-height: 1.1;
}

.stat__label {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 旁注 ---------- */
.callout {
  border-left: 2px solid var(--cyan);
  padding: 12px 0 12px 18px;
  background: linear-gradient(90deg, rgba(43, 227, 209, 0.08), transparent 82%);
  border-radius: 0 var(--r-card) var(--r-card) 0;
  color: var(--text-body);
  font-size: 15.5px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb { margin-block: 14px 0; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--orbit);
}

.breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

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

/* ---------- 标签页 ---------- */
.tabs { display: grid; gap: 18px; }

.tablist {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  justify-self: start;
}

.tab {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--mist);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  min-height: 44px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.tab:hover { color: var(--star); }

.tab[aria-selected="true"] {
  background: var(--orange);
  color: #140A03;
}

.tabpanel { animation: panelIn 0.22s ease both; }

.tabpanel[hidden] { display: none; }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 时间轴 ---------- */
.timeline { display: grid; gap: 10px; }

.timeline__list {
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

.timeline__item { position: relative; }

.timeline__link {
  display: block;
  padding: 7px 0;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.timeline__link:hover { color: var(--star); }

.timeline__link[data-active="true"] {
  color: var(--orange);
  font-weight: 700;
}

.timeline__link[data-active="true"]::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 106, 43, 0.9);
}

/* ---------- 图片容器 ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(42, 27, 77, 0.9), rgba(14, 23, 48, 0.96));
}

.img-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--wide { aspect-ratio: 21 / 9; }
.img-frame--tall { aspect-ratio: 3 / 4; }
.img-frame--square { aspect-ratio: 1 / 1; }

.img-frame__caption {
  position: absolute;
  inset: auto 0 0;
  padding: 14px 16px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  background: linear-gradient(180deg, transparent, rgba(6, 10, 28, 0.9));
}

@media (max-width: 640px) {
  .img-frame--wide { aspect-ratio: 16 / 10; }
}

/* ---------- 显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 200;
  transform: translate(-50%, -160%);
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: #140A03;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translate(-50%, 0);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ================= 头部 ================= */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  background: linear-gradient(180deg, rgba(6, 10, 28, 0.96) 0%, rgba(6, 10, 28, 0.72) 66%, rgba(6, 10, 28, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header[data-scrolled="true"] {
  background: var(--stand);
  border-bottom-color: var(--line);
  box-shadow: 0 22px 48px -34px rgba(0, 0, 0, 0.95);
}

.scroll-progress {
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: rgba(110, 95, 168, 0.18);
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  box-shadow: 0 0 12px rgba(43, 227, 209, 0.75);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 28px);
  padding-block: 14px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--star);
  min-height: 44px;
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  border: 1px solid rgba(43, 227, 209, 0.42);
  background: radial-gradient(circle at 30% 28%, rgba(43, 227, 209, 0.34), rgba(42, 27, 77, 0.9) 72%);
  overflow: hidden;
}

.brand__beam {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 14px rgba(255, 106, 43, 0.95), 0 0 34px rgba(255, 106, 43, 0.5);
}

.brand__text { display: grid; gap: 1px; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand__sub {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
  line-height: 1.3;
}

/* 星图导航 */
.starmap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.starmap__orbit {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 42px;
  border-bottom: 1px solid rgba(110, 95, 168, 0.5);
  border-radius: 50%;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.starmap__list {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
}

.starmap__node {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.starmap__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orbit);
  box-shadow: 0 0 0 3px rgba(110, 95, 168, 0.18);
  transition: background-color 0.18s ease, box-shadow 0.18s ease;
}

.starmap__node:hover {
  color: var(--star);
  background: rgba(255, 255, 255, 0.06);
}

.starmap__node:hover .starmap__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(43, 227, 209, 0.18), 0 0 10px rgba(43, 227, 209, 0.8);
}

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

.starmap__node[aria-current="page"] .starmap__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.16), 0 0 12px rgba(255, 106, 43, 0.85);
}

.starmap__node[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(43, 227, 209, 0.9);
}

/* 状态条 */
.status-strip {
  border-top: 1px solid var(--line-soft);
  background: rgba(14, 23, 48, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.status-strip__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 34px);
  padding-block: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.status-strip__inner::-webkit-scrollbar { display: none; }

.status-strip__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}

.status-strip__key { color: var(--orbit); }

.status-strip__val { color: var(--star); font-weight: 700; }

.status-strip__val.num { font-family: var(--font-mono); }

.status-strip__item--channel .status-strip__val { color: var(--cyan); }

.status-strip__val[data-urgent="true"] { color: var(--amber); }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orbit);
}

.status-dot--live { background: var(--green); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 15px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--star);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  width: 18px;
  height: 12px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.22s ease, top 0.22s ease;
}

.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { top: 9px; }

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

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

body.nav-open { overflow: hidden; }

/* ================= 页脚 ================= */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 128px);
  border-top: 1px solid var(--line);
  background-color: var(--deep);
  background-image:
    radial-gradient(2px 2px at 10% 14%, rgba(43, 227, 209, 0.5), transparent 70%),
    radial-gradient(2px 2px at 83% 21%, rgba(233, 237, 247, 0.45), transparent 70%),
    radial-gradient(1.5px 1.5px at 45% 8%, rgba(255, 106, 43, 0.5), transparent 70%),
    radial-gradient(1.5px 1.5px at 67% 64%, rgba(110, 95, 168, 0.65), transparent 70%),
    radial-gradient(1.5px 1.5px at 27% 78%, rgba(43, 227, 209, 0.35), transparent 70%),
    linear-gradient(180deg, rgba(42, 27, 77, 0.55), rgba(6, 10, 28, 0.98) 48%);
  color: var(--star);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(44px, 7vw, 84px) clamp(28px, 4vw, 48px);
}

.footer-brand {
  display: grid;
  gap: 16px;
  align-content: start;
  justify-items: start;
  max-width: 34ch;
}

.brand--footer { margin-bottom: 2px; }

.footer-brand__line {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-col { display: grid; gap: 14px; align-content: start; }

.footer-col__title {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.footer-col__list { display: grid; gap: 4px; }

.footer-link {
  display: inline-block;
  padding: 3px 0;
  font-size: 15px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.footer-contact {
  grid-column: 1 / -1;
  display: grid;
  gap: 14px;
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.footer-contact__title {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.footer-contact__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px 32px;
}

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

.footer-contact__key {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--orbit);
}

.footer-contact__val {
  font-size: 15px;
  color: var(--star);
  line-height: 1.6;
}

.footer-note {
  max-width: 76ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-base {
  border-top: 1px solid var(--line-soft);
  background: rgba(6, 10, 28, 0.7);
}

.footer-base__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
}

.footer-base__copy,
.footer-icp {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.footer-icp { color: var(--orbit); }

/* ================= 响应式 ================= */
@media (max-width: 1120px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { max-width: none; }
}

@media (max-width: 1000px) {
  :root { --header-h: 112px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .starmap {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h);
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 14px var(--gutter) 24px;
    background: #0B1226;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 34px 70px -34px rgba(0, 0, 0, 0.95);
  }

  .starmap[data-open="true"] { display: block; }

  .starmap__orbit { display: none; }

  .starmap__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .starmap__node {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 14px;
    font-size: 16px;
    border-radius: 14px;
  }

  .starmap__node[aria-current="page"] { background: rgba(43, 227, 209, 0.08); }

  .starmap__node[aria-current="page"]::after {
    left: 14px;
    right: auto;
    width: 40px;
    bottom: 8px;
  }
}

@media (max-width: 720px) {
  .brand__sub { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-contact__list { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --header-h: 104px; }

  body { font-size: 15.5px; }

  .status-strip__inner { gap: 16px; }

  .header-bar { padding-block: 12px; }

  .prose { font-size: 16px; }

  .footer-base__inner { flex-direction: column; align-items: flex-start; }
}

/* ================= 动效可访问性 ================= */
@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;
  }

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

  .scroll-progress__bar { box-shadow: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot--live { animation: dotPulse 2.6s ease-out infinite; }

  .status-strip__val[data-urgent="true"] { animation: urgentPulse 1.4s ease-in-out infinite; }

  @keyframes dotPulse {
    0% { box-shadow: 0 0 0 0 rgba(63, 208, 138, 0.5); }
    72% { box-shadow: 0 0 0 8px rgba(63, 208, 138, 0); }
    100% { box-shadow: 0 0 0 0 rgba(63, 208, 138, 0); }
  }

  @keyframes urgentPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.62; }
  }
}