/* ============================================================
   天博体育 · 共享外壳样式表  /assets/site.css
   近单色深空蓝体系 + 荧光绿实时信号 + 展签式信息结构
   ============================================================ */

/* ---------- 0. 设计令牌 ---------- */
:root {
  --ink-900: #070E22;   /* 深空蓝 · 页面主背景 */
  --ink-800: #0E1B3C;   /* 深海蓝 · 分区背景与斜线色块 */
  --ink-700: #16264F;   /* 午夜蓝 · 卡片与面板底色 */
  --ink-600: #2A3E70;   /* 钢蓝 · 边框、刻度、分隔线 */
  --ink-500: #5D7095;   /* 数据灰 · 网格线与禁用态 */
  --ink-300: #93A6C6;   /* 灰蓝 · 次级文字 */
  --ink-050: #E9EFFA;   /* 雾白 · 主文字 */

  --accent: #C8FF3D;    /* 荧光绿 · 唯一主强调色 */
  --accent-dim: #8FBF1F;
  --warn: #FF7A2F;      /* 活力橙 · 提醒微标记 */
  --violet: #8A5CFF;    /* 电光紫 · 第二数据序列与专题展签 */

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC",
    sans-serif;
  --font-display: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --wrap-max: 1400px;
  --gutter: 20px;
  --radius: 2px;
  --header-h: 64px;
}

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

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

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink-050);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.78;
  letter-spacing: 0.01em;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(42, 62, 112, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 62, 112, 0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, dt { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

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

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

/* ---------- 2. 排版工具 ---------- */
.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 96px);
}

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--ink-600);
}

.slash-divider {
  height: clamp(80px, 12vw, 160px);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 26%, 100% 100%, 0 74%);
}

/* ---------- 3. 跳至主要内容 ---------- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  transform: translateY(-140%);
  padding: 12px 22px;
  background: var(--accent);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 0 0 var(--radius) 0;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline-offset: -4px;
}

/* ---------- 4. 按钮族 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink-050);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, transform 0.2s ease;
}

.btn--accent {
  background: var(--accent);
  color: var(--ink-900);
}
.btn--accent:hover { background: var(--accent-dim); }

.btn--ghost {
  border-color: var(--ink-600);
  color: var(--ink-050);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--sm { padding: 9px 16px; font-size: 13px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.link-arrow::after {
  content: "→";
  transition: transform 0.2s ease;
}
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- 5. 品牌锁 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-050);
}

.brand__domain {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 6. 头部 · 双层导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink-900);
  border-bottom: 1px solid var(--ink-600);
}

/* 6.1 上层：数据状态带 */
.site-header__top {
  overflow: hidden;
  max-height: 46px;
  border-bottom: 1px solid rgba(42, 62, 112, 0.6);
  transition: max-height 0.28s ease, opacity 0.28s ease,
    border-color 0.28s ease;
}

.site-header.is-condensed .site-header__top {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.site-header__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 44px;
}

.site-header__strip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-300);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.site-header__status-text { white-space: nowrap; }

.site-header__tool {
  padding-left: 14px;
  margin-left: 4px;
  border-left: 1px solid var(--ink-600);
  color: var(--ink-300);
  transition: color 0.2s ease;
}
.site-header__tool:hover { color: var(--accent); }

.pulse-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(200, 255, 61, 0.5);
  animation: softBreath 2.6s ease-in-out infinite;
}

@keyframes softBreath {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes refreshPulse {
  0% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(200, 255, 61, 0.65);
  }
  70% {
    opacity: 0.85;
    box-shadow: 0 0 0 11px rgba(200, 255, 61, 0);
  }
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(200, 255, 61, 0);
  }
}

.pulse-dot.is-pulsing {
  animation: refreshPulse 1.2s ease-out;
}

/* 6.2 下层：品牌 + 栏目 + 操作 */
.site-header__bar {
  position: relative;
  background: rgba(7, 14, 34, 0.94);
  backdrop-filter: blur(6px);
}

.site-header__bar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-h);
}

.site-nav { margin-inline: auto; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav__item { display: flex; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  color: var(--ink-300);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s ease;
}

.site-nav__link:hover {
  color: var(--ink-050);
  background: rgba(42, 62, 112, 0.35);
}

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

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

/* 6.3 移动端开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  color: var(--ink-050);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav-toggle.is-open .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle.is-open .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* 6.4 滚动进度条 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  margin-top: clamp(56px, 8vw, 128px);
  background: var(--ink-800);
  border-top: 1px solid var(--ink-600);
  color: var(--ink-300);
}

.site-footer__slash {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-dim) 26%,
    var(--ink-600) 62%,
    var(--violet) 100%
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.3fr) minmax(0, 2fr) minmax(240px, 1.4fr);
  gap: clamp(28px, 4vw, 64px);
  padding-block: clamp(40px, 6vw, 84px);
}

.brand--footer .brand__name { font-size: 19px; }

.site-footer__closing {
  margin-top: 18px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-300);
}

.site-footer__stamp {
  margin-top: 14px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.site-footer__col-title {
  position: relative;
  padding-top: 14px;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--ink-050);
}

.site-footer__col-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--accent);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer__link {
  display: inline-block;
  font-size: 14px;
  color: var(--ink-300);
  transition: color 0.2s ease, transform 0.2s ease;
}
.site-footer__link:hover {
  color: var(--accent);
  transform: translateX(3px);
}

.site-footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(93, 112, 149, 0.38);
}

.site-footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.site-footer__value {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-050);
  word-break: break-word;
}

.site-footer__note {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-500);
}

.site-footer__base {
  border-top: 1px solid var(--ink-600);
  background: var(--ink-900);
}

.site-footer__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding-block: 14px;
}

.site-footer__copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.site-footer__legal .site-footer__link { font-size: 12px; }

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-300);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.to-top::after { content: "↑"; }
.to-top:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 8. 通用内容组件 ---------- */
.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(24px, 3vw, 44px);
}

.section__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 40px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-050);
}

.section__note {
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-300);
}

/* 展签系统 */
.plate {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.plate::before {
  content: "";
  flex: none;
  width: 22px;
  height: 1px;
  background: var(--ink-600);
}

.plate__num { color: var(--accent); }

/* 卡片与数据 */
.card {
  padding: clamp(16px, 2vw, 24px);
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
}

.data-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-list__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(93, 112, 149, 0.38);
}

.data-list__key { font-size: 13px; color: var(--ink-300); }

.data-list__val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-050);
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-300);
  white-space: nowrap;
}
.tag--live { color: var(--accent); border-color: rgba(200, 255, 61, 0.5); }
.tag--warn { color: var(--warn); border-color: rgba(255, 122, 47, 0.5); }
.tag--violet { color: var(--violet); border-color: rgba(138, 92, 255, 0.5); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}
.breadcrumb a { color: var(--ink-300); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb__sep { color: var(--ink-600); }

/* 正文容器 */
.prose {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink-300);
}
.prose p { margin-bottom: 1.1em; }
.prose h2 {
  margin: 1.6em 0 0.6em;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--ink-050);
}
.prose h3 {
  margin: 1.4em 0 0.5em;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-050);
}
.prose strong { color: var(--ink-050); }
.prose a {
  color: var(--accent);
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}
.prose ul,
.prose ol {
  margin: 0 0 1.2em 1.2em;
  list-style: disc;
}
.prose li { margin-bottom: 0.5em; }

/* 图片容器（页面阶段放置资源） */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background-color: var(--ink-800);
  background-image:
    linear-gradient(135deg, rgba(42, 62, 112, 0.62), rgba(14, 27, 60, 0.94)),
    repeating-linear-gradient(
      -45deg,
      rgba(147, 166, 198, 0.08) 0 1px,
      transparent 1px 12px
    );
}

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

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

.media-frame__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 9px;
  background: rgba(7, 14, 34, 0.82);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  background: linear-gradient(
    180deg,
    rgba(7, 14, 34, 0) 0%,
    rgba(7, 14, 34, 0.9) 100%
  );
  font-size: 13px;
  color: var(--ink-050);
}

/* ---------- 9. 12 栏网格 ---------- */
.grid {
  display: grid;
  gap: var(--gutter);
}

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

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* ---------- 10. 滚动显现 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.42s ease var(--reveal-delay, 0ms),
    transform 0.42s cubic-bezier(0.2, 0.7, 0.3, 1) var(--reveal-delay, 0ms);
}

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1180px) {
  .site-footer__inner {
    grid-template-columns: minmax(200px, 1fr) minmax(0, 1.6fr);
  }
  .site-footer__contact { grid-column: 1 / -1; }
}

@media (max-width: 1080px) {
  .site-nav__link { padding: 10px 10px; font-size: 13px; }
  .site-header__strip { max-width: 42ch; }
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4 { grid-column: span 3; }
  .col-5, .col-6, .col-7, .col-8, .col-9 { grid-column: span 6; }
}

@media (max-width: 960px) {
  .site-header__top-inner { justify-content: space-between; }
  .site-header__strip { display: none; }

  .site-header__bar-inner {
    justify-content: space-between;
    gap: 12px;
    min-height: 60px;
  }

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

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-inline: 0;
    display: none;
    max-height: min(72vh, 540px);
    overflow-y: auto;
    padding: 10px clamp(20px, 5vw, 96px) 24px;
    background: var(--ink-800);
    border-top: 1px solid var(--ink-600);
    border-bottom: 1px solid var(--ink-600);
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.45);
  }

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

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

  .site-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 15px 2px;
    font-size: 15px;
    border-bottom: 1px solid rgba(42, 62, 112, 0.7);
    border-radius: 0;
  }

  .site-nav__link::after {
    left: 2px;
    right: auto;
    bottom: 8px;
    width: 28px;
  }

  .site-nav__link:hover { background: transparent; }

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

@media (max-width: 720px) {
  body { font-size: 15px; line-height: 1.75; }

  .grid--12 { grid-template-columns: minmax(0, 1fr); }
  .grid--12 > * { grid-column: 1 / -1; }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .site-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .site-footer__base-inner { justify-content: flex-start; gap: 12px; }

  .section__head { align-items: flex-start; }
  .section__note { max-width: 100%; }
  .prose { font-size: 16px; }
}

@media (max-width: 560px) {
  .site-header__cta { display: none; }
  .brand__domain { display: none; }
  .site-header__status-text { font-size: 10px; letter-spacing: 0.08em; }
  .site-header__tool { display: none; }
  .site-footer__cols { grid-template-columns: minmax(0, 1fr); }
  .site-footer__row { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .site-footer__legal { gap: 12px; }
}

/* ---------- 12. 降低动态偏好 ---------- */
@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;
    transition-delay: 0ms !important;
  }

  .reveal-ready [data-reveal],
  .reveal-ready [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }

  .pulse-dot { animation: none; box-shadow: none; opacity: 1; }
  .scroll-progress { transition: none; }
}