/* ============================================================
   趣体育赛场 · 全站共享样式
   路径 /assets/site.css
   设计语言：草原赛事数据指挥中心
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --prairie-green: #0B3D2E;
  --lime: #A7D129;
  --fluoro-yellow: #D9FF3F;
  --hot-red: #E63946;
  --deep-bluegreen: #0A2342;
  --light-mint: #D6F0E2;
  --cream: #FDF9EE;
  --earth-brown: #6B4F3A;
  --rock-gray: #4A4A4A;
  --charcoal: #1A1A1A;

  --font-head: "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "SF Mono", Consolas, "Courier New", monospace;

  --container-w: 1200px;
  --header-h: 64px;

  --clip-corner: polygon(0 10px, 10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  --clip-corner-sm: polygon(0 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
  --shadow-soft: 0 8px 28px rgba(5, 25, 20, 0.14);
  --shadow-lift: 0 14px 36px rgba(5, 25, 20, 0.22);
}

/* ---------- Reset 与基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--lime) var(--deep-bluegreen);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--charcoal);
  background: var(--cream);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

p {
  overflow-wrap: break-word;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 900;
}

h2 {
  font-size: clamp(24px, 3.5vw, 36px);
}

h3 {
  font-size: clamp(20px, 2.5vw, 28px);
}

::selection {
  background: var(--fluoro-yellow);
  color: var(--deep-bluegreen);
}

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

:focus:not(:focus-visible) {
  outline: none;
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 10px);
}

/* ---------- 工具类 ---------- */
.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: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  transform: translateY(-300%);
  padding: 10px 18px;
  background: var(--fluoro-yellow);
  color: var(--charcoal);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  clip-path: var(--clip-corner);
  transition: transform 0.2s ease;
}

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

.mono-text {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* ---------- 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.section {
  padding: var(--space-lg, clamp(3rem, 8vw, 6.5rem)) 0;
}

.section--tight {
  padding: clamp(1rem, 2vw, 1.75rem) 0;
}

.section--dark {
  background: var(--prairie-green);
  color: var(--cream);
}

.section--deep {
  background: var(--deep-bluegreen);
  color: var(--cream);
}

.section--light {
  background: var(--light-mint);
}

.section--cream {
  background: var(--cream);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  clip-path: var(--clip-corner);
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--lime);
  color: var(--charcoal);
}

.btn--primary:hover {
  background: var(--fluoro-yellow);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(217, 255, 63, 0.28);
}

.btn--ghost {
  background: transparent;
  border: 1px solid rgba(253, 249, 238, 0.42);
  color: var(--cream);
}

.btn--ghost:hover {
  border-color: var(--fluoro-yellow);
  color: var(--fluoro-yellow);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--charcoal);
  color: var(--fluoro-yellow);
}

.btn--dark:hover {
  background: var(--deep-bluegreen);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

/* ---------- 章节标题 ---------- */
.section-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--charcoal);
  position: relative;
  padding-left: 18px;
  margin-bottom: 18px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1em;
  bottom: 0.1em;
  width: 6px;
  background: linear-gradient(180deg, var(--fluoro-yellow), var(--lime));
  transform: skewY(-14deg);
}

.section-title__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--lime);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section--light .section-title__meta {
  color: var(--prairie-green);
  font-weight: 600;
}

.section--dark .section-title,
.section--deep .section-title {
  color: var(--cream);
}

.section--dark .section-title__meta,
.section--deep .section-title__meta {
  color: var(--fluoro-yellow);
}

/* ---------- 标签 / 数据 / 面板 ---------- */
.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--prairie-green);
  background: rgba(167, 209, 41, 0.14);
  border-left: 3px solid var(--lime);
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-label--hot {
  background: rgba(230, 57, 70, 0.1);
  border-left-color: var(--hot-red);
  color: var(--hot-red);
}

.tag-label--yellow {
  background: rgba(217, 255, 63, 0.16);
  border-left-color: var(--fluoro-yellow);
  color: var(--charcoal);
}

.data-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  background: var(--charcoal);
  color: var(--fluoro-yellow);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  clip-path: var(--clip-corner-sm);
}

.data-chip__label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(253, 249, 238, 0.58);
}

.clip-panel {
  background: var(--light-mint);
  padding: 28px 24px;
  clip-path: var(--clip-corner);
}

.clip-panel--dark {
  background: var(--deep-bluegreen);
  color: var(--cream);
}

.clip-panel--lime {
  background: var(--lime);
  color: var(--charcoal);
}

.clip-panel--yellow {
  background: var(--fluoro-yellow);
  color: var(--charcoal);
}

/* ---------- 标签页 ---------- */
.tab-switch__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 2px solid rgba(107, 79, 58, 0.18);
  margin-bottom: 20px;
}

.tab-switch__btn {
  padding: 9px 16px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--rock-gray);
  background: transparent;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.tab-switch__btn:hover {
  color: var(--prairie-green);
}

.tab-switch__btn[aria-selected="true"] {
  color: var(--prairie-green);
  border-bottom-color: var(--hot-red);
  background: rgba(167, 209, 41, 0.08);
}

.tab-switch__panel[hidden] {
  display: none;
}

.section--dark .tab-switch__list,
.section--deep .tab-switch__list {
  border-bottom-color: rgba(253, 249, 238, 0.2);
}

.section--dark .tab-switch__btn,
.section--deep .tab-switch__btn {
  color: rgba(253, 249, 238, 0.64);
}

.section--dark .tab-switch__btn:hover,
.section--deep .tab-switch__btn:hover {
  color: var(--fluoro-yellow);
}

.section--dark .tab-switch__btn[aria-selected="true"],
.section--deep .tab-switch__btn[aria-selected="true"] {
  color: var(--fluoro-yellow);
  border-bottom-color: var(--fluoro-yellow);
  background: rgba(217, 255, 63, 0.08);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  font-size: 14px;
  color: var(--rock-gray);
  border-bottom: 1px solid rgba(107, 79, 58, 0.18);
  margin-bottom: 32px;
}

.breadcrumb__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--earth-brown);
  transition: color 0.2s ease;
}

.breadcrumb__link:hover {
  color: var(--hot-red);
}

.breadcrumb__sep {
  font-family: var(--font-mono);
  color: var(--earth-brown);
  font-size: 14px;
}

.breadcrumb__current {
  color: var(--charcoal);
  font-weight: 600;
}

/* ---------- 图片容器 ---------- */
.image-frame {
  position: relative;
  overflow: hidden;
  background: var(--deep-bluegreen);
  aspect-ratio: 4 / 3;
}

.image-frame--wide {
  aspect-ratio: 16 / 9;
}

.image-frame--portrait {
  aspect-ratio: 3 / 4;
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(135deg, transparent 72%, rgba(217, 255, 63, 0.24) 72%, rgba(217, 255, 63, 0.08) 74%, transparent 74%),
    linear-gradient(45deg, rgba(10, 35, 66, 0.32) 0%, transparent 58%);
}

.image-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  z-index: 1;
  background: var(--lime);
  transform: skewY(-12deg);
  transform-origin: top left;
  pointer-events: none;
}

.image-frame__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fluoro-yellow);
  background: rgba(10, 35, 66, 0.82);
  clip-path: var(--clip-corner-sm);
}

/* ============================================================
   头部命令栏
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--deep-bluegreen);
  color: var(--cream);
  border-bottom: 1px solid rgba(217, 255, 63, 0.28);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 4;
  background: linear-gradient(90deg, var(--lime) 0%, var(--fluoro-yellow) 60%, var(--hot-red) 100%);
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.site-header__inner {
  position: relative;
  max-width: var(--container-w);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 28px);
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.brand-mark:hover {
  opacity: 0.85;
}

.brand-mark__char {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--fluoro-yellow);
  color: var(--deep-bluegreen);
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.brand-mark__dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--fluoro-yellow);
  box-shadow: 0 0 10px rgba(217, 255, 63, 0.8);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

.brand-mark__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--cream);
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.78);
  }
}

/* 移动端导航（默认） */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 3;
  display: none;
  flex-direction: column;
  background: var(--deep-bluegreen);
  border-top: 1px solid rgba(217, 255, 63, 0.18);
  padding: 8px clamp(16px, 3vw, 28px) 18px;
  box-shadow: var(--shadow-lift);
}

.site-nav[data-open] {
  display: flex;
}

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(253, 249, 238, 0.78);
  position: relative;
  border-bottom: 1px solid rgba(253, 249, 238, 0.08);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav__link:last-child {
  border-bottom: none;
}

.site-nav__link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--fluoro-yellow);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--fluoro-yellow);
  background: rgba(217, 255, 63, 0.05);
}

.site-nav__link[aria-current="page"] {
  color: var(--fluoro-yellow);
  background: rgba(217, 255, 63, 0.08);
}

.site-nav__link[aria-current="page"]::before,
.site-nav__link:hover::before,
.site-nav__link:focus-visible::before {
  transform: scaleY(1);
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
  opacity: 0.85;
  min-width: 18px;
}

/* 头部右侧状态区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex-shrink: 0;
}

.batch-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(167, 209, 41, 0.1);
  border: 1px solid rgba(167, 209, 41, 0.32);
  clip-path: var(--clip-corner-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  white-space: nowrap;
}

.batch-tag__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--fluoro-yellow);
  box-shadow: 0 0 8px rgba(217, 255, 63, 0.8);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background: var(--fluoro-yellow);
  color: var(--charcoal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  clip-path: var(--clip-corner-sm);
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.header-btn:hover {
  background: var(--lime);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(217, 255, 63, 0.3);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 11px 10px;
  background: rgba(217, 255, 63, 0.08);
  border: 1px solid rgba(217, 255, 63, 0.16);
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(217, 255, 63, 0.16);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--fluoro-yellow);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 小屏：隐藏批次标签 */
@media (max-width: 639px) {
  .batch-tag {
    display: none;
  }

  .header-actions {
    gap: 10px;
  }

  .header-btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  .brand-mark__name {
    font-size: 15px;
    letter-spacing: 0.05em;
  }
}

/* 桌面端导航 */
@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    padding: 0;
    border-top: none;
    box-shadow: none;
    background: transparent;
  }

  .site-nav__link {
    padding: 0 12px;
    height: var(--header-h);
    border-bottom: none;
    font-size: 14px;
  }

  .site-nav__link::before {
    top: 0;
    left: 12px;
    right: 12px;
    width: auto;
    height: 3px;
    transform: scaleX(0);
    transform-origin: left;
  }

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

  .header-actions {
    margin-left: 12px;
  }
}

/* 中等桌面：收紧导航并隐藏批次标签 */
@media (min-width: 960px) and (max-width: 1199px) {
  .site-header__inner {
    gap: 8px;
  }

  .site-nav__link {
    padding: 0 8px;
    font-size: 13px;
  }

  .batch-tag {
    display: none;
  }
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  background: var(--prairie-green);
  color: rgba(253, 249, 238, 0.82);
  padding-top: 56px;
  border-top: 3px solid var(--fluoro-yellow);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -3px;
  right: 80px;
  width: 90px;
  height: 3px;
  background: var(--hot-red);
  transform: skewX(-38deg);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px) 40px;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 0.9fr 1.2fr;
    gap: 48px;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand__top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--fluoro-yellow);
  color: var(--prairie-green);
  font-size: 22px;
  font-weight: 900;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.footer-brand__name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--cream);
}

.footer-brand__trust {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(253, 249, 238, 0.66);
  border-left: 3px solid var(--lime);
  padding-left: 14px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 16px;
  align-content: start;
}

.footer-nav__title {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
  border-bottom: 1px solid rgba(167, 209, 41, 0.3);
  padding-bottom: 10px;
  margin-bottom: 8px;
}

.footer-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(253, 249, 238, 0.74);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-nav__link::before {
  content: ">";
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: 14px;
  line-height: 1;
}

.footer-nav__link:hover {
  color: var(--fluoro-yellow);
  padding-left: 4px;
}

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

.footer-contact__line {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(253, 249, 238, 0.74);
}

.footer-contact__note {
  margin-top: 6px;
  font-size: 12px;
  color: rgba(253, 249, 238, 0.42);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.footer-legal__link {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  font-size: 13px;
  color: var(--light-mint);
  background: rgba(253, 249, 238, 0.05);
  border: 1px solid rgba(167, 209, 41, 0.3);
  clip-path: var(--clip-corner-sm);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.footer-legal__link:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--charcoal);
}

.site-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 24px clamp(20px, 4vw, 40px);
  border-top: 1px solid rgba(253, 249, 238, 0.1);
  border-bottom: 1px solid rgba(253, 249, 238, 0.1);
}

.footer-cmd {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  background: rgba(253, 249, 238, 0.05);
  border: 1px solid rgba(253, 249, 238, 0.18);
  color: var(--cream);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  clip-path: var(--clip-corner-sm);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.footer-cmd:hover {
  background: var(--fluoro-yellow);
  border-color: var(--fluoro-yellow);
  color: var(--charcoal);
  transform: translateY(-2px);
}

.footer-cmd__arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--fluoro-yellow);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-cmd:hover .footer-cmd__arrow {
  color: var(--hot-red);
  transform: translateX(3px);
}

.footer-cmd--hot {
  border-color: rgba(230, 57, 70, 0.4);
}

.footer-cmd--hot .footer-cmd__arrow {
  color: var(--hot-red);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 18px clamp(20px, 4vw, 40px) 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(253, 249, 238, 0.5);
}

.site-footer__copy,
.site-footer__icp {
  margin: 0;
}

/* ============================================================
   动效与可访问性
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}
