/* =========================================================
   华体育赛场 · 共享站点套件  /assets/site.css
   高原竞技场：左右双轨 · 编号索引 · 斜切网格 · 珠宝色分区
   ========================================================= */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol { margin: 0; }

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

address { font-style: normal; }

table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid var(--c-teal);
  outline-offset: 3px;
}

/* ---------- 2. Tokens ---------- */
:root {
  /* 珠宝色分区 */
  --c-night: #0A1A2F;      /* 高原夜空深蓝 */
  --c-indigo: #2B2350;     /* 靛紫珠宝色 */
  --c-wine: #6E1F3B;       /* 酒红珠宝色 */
  --c-teal: #18C3B1;       /* 青海湖青绿 */
  --c-teal-deep: #0E8C80;
  --c-gold: #F4C542;       /* 油菜花金黄 */
  --c-coral: #FF5C5C;      /* 珊瑚红 */
  --c-ice: #F5F8FC;        /* 冰白 */
  --c-ink: #101C2B;        /* 墨蓝黑 */
  --c-mist: #8EA3BE;       /* 雾蓝灰 */
  --c-mint: #73E2C2;       /* 成功薄荷 */

  --c-line: rgba(142, 163, 190, 0.28);
  --c-line-soft: rgba(142, 163, 190, 0.14);
  --c-line-strong: rgba(142, 163, 190, 0.5);

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "DIN Condensed", "Bebas Neue", "Roboto Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 尺度 */
  --step--1: 0.75rem;
  --step-0: 0.9375rem;
  --step-1: 1.0625rem;
  --step-2: clamp(1.25rem, 1.7vw, 1.5rem);
  --step-3: clamp(1.75rem, 3vw, 2.5rem);
  --step-4: clamp(2.25rem, 4.4vw, 3.25rem);
  --step-5: clamp(2.5rem, 6vw, 5.25rem);

  /* 结构 */
  --shell: 1280px;
  --gutter: clamp(18px, 4vw, 48px);
  --slant: 8deg;
  --header-height: 76px;
  --rail: 248px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  background-color: var(--c-night);
  background-image:
    repeating-linear-gradient(90deg, var(--c-line-soft) 0 1px, transparent 1px 120px),
    radial-gradient(120% 80% at 88% -10%, rgba(43, 35, 80, 0.85) 0%, rgba(10, 26, 47, 0) 62%);
  color: var(--c-ice);
  font-family: var(--font-body);
  font-size: var(--step-1);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-3); }
h4 { font-size: var(--step-2); }

p { max-width: 68ch; }

strong { font-weight: 800; }

::selection {
  background: var(--c-gold);
  color: var(--c-ink);
}

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

.section { padding-block: clamp(48px, 7vw, 96px); }

.rule {
  height: 1px;
  border: 0;
  background: var(--c-line);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--c-gold);
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.coord {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.coord::before {
  content: attr(data-coord);
  color: var(--c-teal);
  font-weight: 700;
}

.slant-top {
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
}

.clear-media {
  width: 100%;
  border: 1px solid var(--c-line);
  background: var(--c-indigo);
}

/* ---------- 5. 网格 ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}

.split-7-5 {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(20px, 3.4vw, 56px);
  align-items: start;
}

.split-8-4 {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: clamp(20px, 3.4vw, 56px);
  align-items: start;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: var(--step-0);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: #062019;
  background: var(--c-teal);
  border: 1px solid var(--c-teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 13px) 100%, 0 100%);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.btn--ghost {
  background: transparent;
  color: var(--c-ice);
  border-color: var(--c-line-strong);
}

.btn--ghost:hover {
  background: rgba(24, 195, 177, 0.14);
  color: var(--c-teal);
  border-color: var(--c-teal);
}

.btn--gold {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: #20180A;
}

.btn--gold:hover { background: #FFD766; border-color: #FFD766; }

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs { padding-block: 18px 0; }

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.breadcrumbs__list li { display: inline-flex; align-items: center; gap: 10px; }

.breadcrumbs__list li + li::before {
  content: "/";
  color: var(--c-line-strong);
}

.breadcrumbs__list a:hover { color: var(--c-teal); }

/* ---------- 8. 图片容器 ---------- */
.frame-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--c-indigo), var(--c-night) 72%);
  border: 1px solid var(--c-line);
}

.frame-media img,
.frame-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.frame-media--slant {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.frame-media--frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(245, 248, 252, 0.26);
  pointer-events: none;
}

.frame-media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  color: var(--c-ice);
  background: rgba(10, 26, 47, 0.86);
  border-top: 1px solid var(--c-line);
}

/* ---------- 9. 轨道索引基础件 ---------- */
.rail {
  position: relative;
  display: grid;
  gap: 2px;
  padding-left: 16px;
  border-left: 1px solid var(--c-line);
}

.rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: var(--step-0);
  color: var(--c-mist);
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.rail__link:hover { color: var(--c-ice); padding-left: 4px; }

.rail__link[aria-current="true"] {
  color: var(--c-teal);
  box-shadow: inset 2px 0 0 var(--c-teal);
  padding-left: 8px;
}

.rail__no {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  color: var(--c-line-strong);
}

.rail__link[aria-current="true"] .rail__no { color: var(--c-gold); }

/* ---------- 10. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  padding: 12px 22px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--c-ink);
  background: var(--c-gold);
  transform: translateY(-130%);
  transition: transform 0.18s ease;
}

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

/* ---------- 11. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #0A1A2F;
  background-image:
    linear-gradient(90deg, rgba(43, 35, 80, 0.92) 0%, rgba(10, 26, 47, 0.96) 48%, rgba(10, 26, 47, 0.98) 100%),
    repeating-linear-gradient(90deg, var(--c-line-soft) 0 1px, transparent 1px 88px);
  border-bottom: 1px solid var(--c-line);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-teal) 0%, var(--c-teal) 12%, transparent 12%, transparent 100%);
  pointer-events: none;
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(16px, 3vw, 44px);
  padding-block: 14px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding-block: 4px;
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 2px solid var(--c-teal);
  transform: skewX(calc(var(--slant) * -1));
}

.brand__mark::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 11px;
  height: 11px;
  background: var(--c-gold);
  transform: skewX(var(--slant));
}

.brand__text { display: grid; gap: 2px; }

.brand__name {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--c-ice);
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.26em;
  color: var(--c-mist);
  text-transform: uppercase;
}

/* 导航 */
.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(2px, 1.4vw, 22px);
}

.site-nav__item { display: block; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 2px;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: rgba(245, 248, 252, 0.8);
  transition: color 0.18s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--c-teal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s ease;
}

.site-nav__link:hover { color: var(--c-ice); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__no {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--c-line-strong);
}

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

.site-nav__link[aria-current="page"] { color: var(--c-ice); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] .site-nav__no { color: var(--c-gold); }

/* 工具区 */
.header-utility {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(115, 226, 194, 0.42);
  background: rgba(115, 226, 194, 0.08);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-mint);
  white-space: nowrap;
}

.status-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-mint);
  box-shadow: 0 0 0 0 rgba(115, 226, 194, 0.55);
  animation: status-breathe 3.4s ease-in-out infinite;
}

.status-pill[data-channel-status="alert"] {
  border-color: rgba(255, 92, 92, 0.5);
  background: rgba(255, 92, 92, 0.1);
  color: var(--c-coral);
}

.status-pill[data-channel-status="alert"] .status-pill__dot {
  background: var(--c-coral);
  box-shadow: none;
  animation: status-alert 2.6s ease-in-out infinite;
}

@keyframes status-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(115, 226, 194, 0.55); opacity: 1; }
  50% { box-shadow: 0 0 0 5px rgba(115, 226, 194, 0); opacity: 0.65; }
}

@keyframes status-alert {
  0%, 100% { opacity: 1; }
  45% { opacity: 0.35; }
}

.utility-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border: 1px solid rgba(255, 92, 92, 0.48);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-coral);
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.utility-link:hover {
  background: var(--c-coral);
  color: var(--c-ink);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line-strong);
  color: var(--c-ice);
  position: relative;
  z-index: 101;
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.nav-toggle__box {
  display: block;
  position: relative;
  width: 20px;
  height: 12px;
}

.nav-toggle__box::before,
.nav-toggle__box::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}

.nav-toggle__box::before { top: 0; }
.nav-toggle__box::after { bottom: 0; }

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

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

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  background-color: #07121F;
  background-image:
    repeating-linear-gradient(90deg, rgba(142, 163, 190, 0.10) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, rgba(43, 35, 80, 0.55) 0%, rgba(7, 18, 31, 0) 62%),
    linear-gradient(0deg, rgba(110, 31, 59, 0.20) 0%, rgba(7, 18, 31, 0) 70%);
  border-top: 1px solid var(--c-line);
  color: var(--c-ice);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--c-wine) 0%, var(--c-wine) 22%,
    var(--c-indigo) 22%, var(--c-indigo) 58%,
    var(--c-teal) 58%, var(--c-teal) 78%,
    var(--c-gold) 78%, var(--c-gold) 100%
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr 0.8fr 1.4fr;
  gap: clamp(24px, 3vw, 48px);
  padding-block: clamp(40px, 5vw, 72px) clamp(26px, 3vw, 38px);
}

/* 品牌区 */
.footer-brand { display: grid; gap: 12px; align-content: start; }

.footer-brand__name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--c-ice);
}

.footer-brand__glyph {
  width: 13px;
  height: 13px;
  background: var(--c-gold);
  transform: skewX(calc(var(--slant) * -1));
}

.footer-brand__line {
  font-size: var(--step-0);
  line-height: 1.7;
  color: rgba(245, 248, 252, 0.78);
  max-width: 28ch;
}

.footer-brand__region {
  display: inline-block;
  justify-self: start;
  padding: 5px 10px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

/* 栏目列 */
.footer-col { display: grid; gap: 6px; align-content: start; }

.footer-col__title {
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--c-line-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-mist);
}

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

.footer-col__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: var(--step-0);
  color: rgba(245, 248, 252, 0.78);
  transition: color 0.18s ease, transform 0.18s ease;
}

.footer-col__list a::before {
  content: "";
  width: 7px;
  height: 1px;
  background: var(--c-teal);
  opacity: 0;
  transition: opacity 0.18s ease, width 0.18s ease;
}

.footer-col__list a:hover {
  color: var(--c-ice);
  transform: translateX(2px);
}

.footer-col__list a:hover::before { opacity: 1; width: 14px; }

/* 联系区 */
.footer-contact { display: grid; gap: 6px; align-content: start; }

.footer-contact__body { display: grid; gap: 8px; }

.footer-contact__line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.02em;
  color: rgba(245, 248, 252, 0.82);
  word-break: break-word;
}

.footer-contact__key {
  display: inline-block;
  min-width: 34px;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
  padding-top: 2px;
}

.footer-contact__note {
  margin-top: 4px;
  padding-left: 11px;
  border-left: 2px solid var(--c-wine);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-mist);
}

/* 法律条 */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 20px 26px;
  border-top: 1px solid var(--c-line-soft);
}

.footer-legal__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

/* ---------- 13. 阅读进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  z-index: 200;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-teal) 0%, var(--c-gold) 100%);
  transition: width 0.12s linear;
}

/* ---------- 14. 响应式：平板 ---------- */
@media (max-width: 1180px) {
  .site-footer__inner { grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .split-7-5,
  .split-8-4 { grid-template-columns: minmax(0, 1fr); }
  .brand { min-width: 0; }
}

/* ---------- 15. 响应式：移动导航与手机 ---------- */
@media (max-width: 980px) {
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding-block: 12px;
  }

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

  .header-utility { gap: 8px; }

  .utility-link { display: none; }

  .status-pill {
    padding: 5px 9px;
    font-size: 0.625rem;
    letter-spacing: 0.1em;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(340px, 86vw);
    padding: calc(var(--header-height) + 22px) 22px 32px;
    background-image:
      linear-gradient(200deg, rgba(43, 35, 80, 0.98) 0%, rgba(10, 26, 47, 0.98) 58%, rgba(5, 13, 22, 0.99) 100%);
    border-left: 1px solid var(--c-line);
    box-shadow: -24px 0 64px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    z-index: 90;
    transform: translateX(102%);
    visibility: hidden;
    transition: transform 0.26s cubic-bezier(0.3, 0.7, 0.2, 1), visibility 0.26s;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    justify-content: flex-start;
  }

  .site-nav__item + .site-nav__item { border-top: 1px solid var(--c-line-soft); }

  .site-nav__link {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    padding: 15px 4px;
    font-size: 1rem;
  }

  .site-nav__link::after {
    left: auto;
    right: 0;
    top: 50%;
    bottom: auto;
    width: 18px;
    height: 2px;
    margin-top: -1px;
    transform: scaleX(0);
    transform-origin: right center;
  }

  .site-nav__link:hover::after,
  .site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

  .site-nav__no { font-size: 0.6875rem; }

  body.nav-open { overflow: hidden; }

  .site-footer__inner { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  :root { --step-5: clamp(2.25rem, 9vw, 3.25rem); }

  .brand__name { font-size: 1.0625rem; }
  .brand__tag { display: none; }
  .brand__mark { width: 26px; height: 26px; }

  .status-pill__text { display: none; }
  .status-pill { padding: 6px; border-color: var(--c-line-strong); background: transparent; }

  .site-footer__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 20px;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-brand__line { max-width: 100%; }
}

/* ---------- 16. 动效偏好 ---------- */
@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;
  }

  .status-pill__dot {
    animation: none;
    box-shadow: none;
    opacity: 1;
  }

  .site-nav { transition: none; }
  .scroll-progress { transition: none; }
}