/* =========================================================
   美博赛场 · 共享外壳样式  /assets/site.css
   夜间球场数据指挥中心：深蓝绿冷底 + 荧光黄绿屏幕光
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root {
  --night: #0B1B2B;
  --green: #0E3B2E;
  --lime: #C8F751;
  --alert: #FF5A36;
  --indigo: #2A2350;
  --wine: #5A1F2E;
  --paper: #F4F1E8;
  --mist: #9FB3C8;
  --cyan: #47D9C4;
  --ink: #08161F;

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

  --shell: 1200px;
  --gap: clamp(16px, 2.4vw, 28px);
  --radius: 2px;
  --pill: 999px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --scroll-progress: 0;
}

/* ---------- 2. 重置与基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  background-color: var(--night);
  background-image:
    radial-gradient(1100px 620px at 84% -8%, rgba(71, 217, 196, .13), transparent 60%),
    radial-gradient(900px 540px at 2% 10%, rgba(14, 59, 46, .85), transparent 62%),
    radial-gradient(760px 460px at 50% 108%, rgba(42, 35, 80, .65), transparent 70%);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}

@media (min-width: 900px) {
  body { background-attachment: fixed; }
}

main { display: block; }

#main-content {
  display: block;
  scroll-margin-top: 104px;
}

img, svg, video { max-width: 100%; }
img { height: auto; border-style: none; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.005em;
}

p { margin: 0 0 1em; }

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

a { color: inherit; }

button {
  font: inherit;
  color: inherit;
}

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

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

/* ---------- 3. 通用容器与章节 ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 3vw, 28px);
  padding-right: clamp(16px, 3vw, 28px);
}

.section { padding: clamp(56px, 7vw, 104px) 0; }
.section--tight { padding: clamp(32px, 4.4vw, 64px) 0; }

.section--green {
  background: linear-gradient(180deg, rgba(14, 59, 46, .78), rgba(14, 59, 46, .16));
  border-top: 1px solid rgba(200, 247, 81, .16);
  border-bottom: 1px solid rgba(200, 247, 81, .16);
}

.section--indigo {
  background: linear-gradient(180deg, rgba(42, 35, 80, .78), rgba(42, 35, 80, .2));
  border-top: 1px solid rgba(159, 179, 200, .18);
  border-bottom: 1px solid rgba(159, 179, 200, .18);
}

.section--wine {
  background: linear-gradient(180deg, rgba(90, 31, 46, .72), rgba(90, 31, 46, .16));
  border-top: 1px solid rgba(255, 90, 54, .2);
  border-bottom: 1px solid rgba(255, 90, 54, .2);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.section-head .section-title { margin-bottom: 0; }

/* ---------- 4. 排版组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  display: block;
  width: 26px;
  height: 1px;
  background: var(--lime);
}

.display {
  margin: 0;
  font-size: clamp(40px, 8vw, 104px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--paper);
}

.display strong { font-weight: 800; }
.display em { font-style: normal; color: var(--lime); }

.section-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 46px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--paper);
}

.lede {
  max-width: 36em;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
  color: #C7D5E2;
}

.prose {
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: #D3DFEA;
}

.prose p { margin: 0 0 1.1em; }
.prose h3 {
  margin: 1.6em 0 .6em;
  font-size: 19px;
  color: var(--paper);
}
.prose ul,
.prose ol {
  margin: 0 0 1.1em;
  padding-left: 1.4em;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin: 0 0 .4em; }
.prose a,
.link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 247, 81, .5);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.prose a:hover,
.link:hover {
  color: #DDFF96;
  border-bottom-color: var(--lime);
}

.index-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(46px, 7vw, 104px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(159, 179, 200, .5);
}

.index-num--lime { color: var(--lime); }

.band {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(159, 179, 200, .24);
  border-bottom: 1px solid rgba(159, 179, 200, .24);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.band__dot {
  display: block;
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--lime);
}

.band--cyan .band__dot { background: var(--cyan); }
.band--alert .band__dot { background: var(--alert); }

.hairline {
  display: block;
  height: 1px;
  margin: var(--gap) 0;
  border: 0;
  background: rgba(159, 179, 200, .24);
}

/* ---------- 5. 网格 ---------- */
.grid {
  display: grid;
  gap: var(--gap);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 980px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .18s var(--ease),
              color .18s var(--ease), border-color .18s var(--ease),
              box-shadow .18s var(--ease);
}

.btn--primary {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 10px 26px rgba(200, 247, 81, .18);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(200, 247, 81, .28);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(159, 179, 200, .42);
}

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

/* ---------- 7. 面包屑 ---------- */
.breadcrumb {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li { margin-left: 6px; }

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(159, 179, 200, .55);
}

.breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: rgba(200, 247, 81, .6);
}

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

/* ---------- 8. 档案卡与标签 ---------- */
.doc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 22px;
  background: var(--paper);
  color: var(--night);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 7px 7px 0 rgba(11, 27, 43, .5);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.doc-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 6px;
  background: var(--lime);
}

.doc-card--indigo::before { background: var(--cyan); }
.doc-card--wine::before { background: var(--alert); }

.doc-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 11px 11px 0 rgba(200, 247, 81, .34);
}

.doc-card__tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #5C6E80;
}

.doc-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--night);
}

.doc-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #31465A;
}

.doc-card__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 27, 43, .28);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: #3A5265;
}

.doc-card a {
  color: #0E3B2E;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 59, 46, .45);
}

.doc-card a:hover { border-bottom-color: var(--alert); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(159, 179, 200, .45);
  border-radius: var(--pill);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--mist);
}

.tag--lime {
  border-color: rgba(200, 247, 81, .65);
  background: rgba(200, 247, 81, .08);
  color: var(--lime);
}

.tag--alert {
  border-color: rgba(255, 90, 54, .7);
  background: rgba(255, 90, 54, .1);
  color: #FF8A6E;
}

.tag--cyan {
  border-color: rgba(71, 217, 196, .7);
  background: rgba(71, 217, 196, .1);
  color: var(--cyan);
}

/* ---------- 9. 图片容器（供页面阶段放置实拍 / 截图） ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(159, 179, 200, .22);
  border-radius: var(--radius);
  background: linear-gradient(140deg, var(--green) 0%, var(--indigo) 68%, var(--wine) 100%);
}

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

.media--21x9 { aspect-ratio: 21 / 9; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3  { aspect-ratio: 4 / 3; }
.media--1x1  { aspect-ratio: 1 / 1; }
.media--3x4  { aspect-ratio: 3 / 4; }

.media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 13px;
  background: rgba(6, 18, 30, .84);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.media__tag {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border: 1px solid rgba(200, 247, 81, .5);
  border-radius: var(--pill);
  background: rgba(6, 18, 30, .82);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--lime);
}

/* ---------- 10. 显现动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}

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

/* ---------- 11. 辅助类 ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 120;
  padding: 10px 20px;
  border-radius: 0 0 4px 4px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translate(-50%, -160%);
  transition: transform .18s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

/* =========================================================
   12. 站点头部
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: 14px 0 12px;
  background: linear-gradient(180deg, rgba(8, 22, 35, .95), rgba(8, 22, 35, .74));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding .22s var(--ease), background-color .22s var(--ease),
              box-shadow .22s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
  opacity: .9;
}

.site-header[data-compact="true"] {
  padding: 8px 0 7px;
  background: rgba(8, 22, 35, .97);
  border-bottom: 1px solid rgba(159, 179, 200, .16);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .42);
}

.header-shell {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 clamp(14px, 3vw, 28px);
}

/* 品牌字标 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--paper);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(200, 247, 81, .55);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(200, 247, 81, .16), rgba(71, 217, 196, .08));
  color: var(--lime);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 247, 81, .16);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper);
}

.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 悬浮胶囊导航 */
.nav-capsule {
  position: relative;
  z-index: 5;
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border: 1px solid rgba(159, 179, 200, .22);
  border-radius: var(--pill);
  background: rgba(14, 59, 46, .55);
  box-shadow: inset 0 1px 0 rgba(244, 241, 232, .06);
}

.nav-list a {
  display: block;
  padding: 8px 15px;
  border-radius: var(--pill);
  color: #D3E0EC;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.nav-list a:hover {
  background: rgba(200, 247, 81, .14);
  color: var(--paper);
}

.nav-list a[aria-current="page"] {
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

/* 头部工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.round-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px;
  border: 1px dashed rgba(200, 247, 81, .5);
  border-radius: var(--radius);
  background: rgba(200, 247, 81, .07);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--lime);
  white-space: nowrap;
}

.round-badge__label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.version-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid rgba(159, 179, 200, .28);
  border-radius: var(--pill);
  background: rgba(11, 27, 43, .72);
}

.version-btn {
  appearance: none;
  padding: 6px 13px;
  border: 0;
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.version-btn[aria-pressed="true"] {
  background: var(--cyan);
  color: #062028;
}

.version-btn[aria-pressed="false"]:hover {
  color: var(--paper);
  background: rgba(159, 179, 200, .14);
}

.mail-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid rgba(71, 217, 196, .45);
  border-radius: var(--pill);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease);
}

.mail-chip:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #062028;
}

/* 移动端导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(159, 179, 200, .3);
  border-radius: var(--pill);
  background: rgba(11, 27, 43, .75);
  color: var(--paper);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.nav-toggle:hover { border-color: rgba(200, 247, 81, .6); }

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}

.nav-toggle[data-open="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[data-open="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[data-open="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 头部响应式 */
@media (max-width: 1180px) {
  .mail-chip { display: none; }
}

@media (max-width: 1080px) {
  .header-shell { justify-content: space-between; }

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

  .nav-capsule {
    position: absolute;
    top: calc(100% + 6px);
    left: 12px;
    right: 12px;
    display: none;
    justify-content: stretch;
    flex: 0 0 auto;
    max-height: min(72vh, 520px);
    padding: 10px;
    overflow: auto;
    border: 1px solid rgba(159, 179, 200, .24);
    border-radius: 14px;
    background: rgba(6, 18, 30, .98);
    box-shadow: 0 22px 48px rgba(0, 0, 0, .55);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-list a {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 15px;
  }
}

@media (max-width: 640px) {
  .brand-sub { display: none; }
  .header-tools { gap: 8px; }
  .round-badge { padding: 6px 9px; font-size: 12px; }
  .version-btn { padding: 5px 10px; font-size: 12px; }
  .nav-toggle__label { display: none; }
}

/* =========================================================
   13. 站点页脚
   ========================================================= */
.site-footer {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0 24px;
  border-top: 1px solid rgba(200, 247, 81, .28);
  background: linear-gradient(180deg, rgba(14, 59, 46, .92) 0%, rgba(11, 27, 43, .98) 44%, #06121c 100%);
  color: var(--paper);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(280px, 40vw);
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
}

.footer-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 28px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 3.4vw, 48px);
}

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

.footer-brand { display: block; }

.brand--footer .brand-name { font-size: 16px; }

.footer-title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-list a {
  color: #CFDCE8;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.footer-list a:hover {
  color: var(--lime);
  border-bottom-color: rgba(200, 247, 81, .5);
}

.footer-list--contact { gap: 16px; }

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

.footer-contact-item__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer-contact-item__value {
  font-size: 14px;
  line-height: 1.6;
  color: #D6E2ED;
  word-break: break-word;
}

.footer-tagline {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #BCCCDA;
}

.footer-icp {
  margin: 16px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid rgba(159, 179, 200, .2);
  font-size: 12.5px;
  color: var(--mist);
}

.footer-base p { margin: 0; }

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* ---------- 14. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

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

  .site-header::after { opacity: .5; }
}