/* =======================================================================
   优德体育 — 全站共享样式  /assets/site.css
   深空蓝数据场 + 荧光青信号色 + 暖纸阅读册
   ======================================================================= */

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

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

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  /* 色彩体系 */
  --ink:        #0A1F44;  /* 深空蓝 */
  --night:      #061229;  /* 深墨夜蓝 */
  --mid:        #1B3A6B;  /* 中天蓝 */
  --cyan:       #00E5C9;  /* 荧光青 */
  --cyan-mist:  #A8FFF0;  /* 青雾 */
  --orange:     #FF6B35;  /* 活力橙 */
  --paper:      #F3EDE2;  /* 暖纸色 */
  --paper-shade:#DED4C4;  /* 纸影 */
  --paper-ink:  #14213D;  /* 纸面墨 */
  --fog:        #7C90B5;  /* 冷雾蓝 */
  --white:      #F7FAFF;  /* 白芒 */
  --green:      #37D67A;  /* 数据绿 */

  /* 字体轨道 */
  --font-sans: "Inter", "Inter Black", "Noto Sans SC", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", system-ui,
               -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo,
               Consolas, "Liberation Mono", monospace;

  /* 形状与节奏 */
  --radius-card: 24px;
  --radius-sm:   14px;
  --radius-pill: 999px;
  --container:   1200px;
  --gutter:      clamp(18px, 4vw, 44px);
  --ease-out:    cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.02vw, 17.5px);
  line-height: 1.75;
  color: var(--white);
  background: var(--night);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.012em;
}

strong { font-weight: 800; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* 焦点可见 */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

#main-content { scroll-margin-top: 96px; }

.visually-hidden {
  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;
}

/* ---------- 4. 布局容器与栅格 ---------- */
.container {
  width: min(var(--container), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

.section { padding-block: clamp(56px, 8vw, 108px); }
.section--tight { padding-block: clamp(36px, 5vw, 64px); }

.section--ink {
  background: var(--ink);
  color: var(--white);
}

.section--paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.section--paper a { color: var(--paper-ink); }

.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

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

.grid--split {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: start;
}

@media (max-width: 900px) {
  .grid--2,
  .grid--3,
  .grid--split { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 5. 章节说明牌 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.chapter-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.chapter-mark::after {
  content: "";
  width: clamp(48px, 10vw, 140px);
  height: 3px;
  border-radius: 3px;
  background: var(--cyan);
}

.chapter-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.section-title {
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 800;
}

.lede {
  margin-top: 14px;
  font-size: 1.05em;
  color: var(--fog);
}

.section--paper .lede { color: rgba(20, 33, 61, 0.72); }

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .14s var(--ease-out),
              border-color .14s var(--ease-out),
              color .14s var(--ease-out),
              transform .12s var(--ease-out);
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}
.btn--primary:hover { background: var(--cyan-mist); border-color: var(--cyan-mist); }

.btn--ghost {
  background: rgba(0, 229, 201, 0.06);
  border-color: rgba(0, 229, 201, 0.5);
  color: var(--cyan);
}
.btn--ghost:hover {
  background: rgba(0, 229, 201, 0.14);
  border-color: var(--cyan);
}

.btn--orange {
  background: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
}
.btn--orange:hover { background: #FF8557; border-color: #FF8557; }

.btn--sm { padding: 10px 18px; font-size: 13.5px; }

/* ---------- 7. 卡片 / 标签 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: var(--radius-card);
  border: 1px solid rgba(0, 229, 201, 0.16);
  background: linear-gradient(160deg, rgba(27, 58, 107, 0.72), rgba(6, 18, 41, 0.92));
  transition: transform .18s var(--ease-out), border-color .18s var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 201, 0.45);
}

.card--paper {
  background: #FFFFFF;
  border-color: var(--paper-shade);
  color: var(--paper-ink);
}

.card-title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
}

.card-text {
  font-size: 15px;
  color: var(--fog);
}

.card--paper .card-text { color: rgba(20, 33, 61, 0.7); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 229, 201, 0.35);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  color: var(--cyan);
  transition: transform .12s var(--ease-out);
}

.tag--solid {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}

.tag--orange {
  border-color: rgba(255, 107, 53, 0.45);
  color: var(--orange);
}

/* ---------- 8. 正文排版 ---------- */
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1.15em; }

.prose h2 {
  margin-top: 2em;
  font-size: clamp(22px, 2.6vw, 30px);
}

.prose h3 {
  margin-top: 1.6em;
  font-size: clamp(18px, 2vw, 22px);
}

.prose ul { display: grid; gap: 10px; }

.prose ul li {
  position: relative;
  padding-left: 22px;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.prose--paper { color: var(--paper-ink); }

/* ---------- 9. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid rgba(0, 229, 201, 0.18);
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(0, 229, 201, 0.16), transparent 62%),
    linear-gradient(160deg, var(--mid), var(--night) 72%);
}

.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: 4 / 5; }

.media-frame--paper {
  border-color: var(--paper-shade);
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(0, 229, 201, 0.14), transparent 62%),
    linear-gradient(160deg, #FFFFFF, var(--paper-shade));
}

.media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* ---------- 10. 面包屑 / 分隔线 ---------- */
.breadcrumb { padding-block: 22px; }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--fog);
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list li + li::before {
  content: "/";
  color: rgba(124, 144, 181, 0.6);
}

.breadcrumb-list a { color: var(--fog); }
.breadcrumb-list a:hover { color: var(--cyan); }
.breadcrumb-current { color: var(--white); }

.hairline {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 201, 0.5), transparent);
}

/* ---------- 11. 滚动显现协议 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
}

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

/* ---------- 12. 跳过链接 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -120px;
  z-index: 300;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: var(--night);
  font-size: 14px;
  font-weight: 700;
  transition: top .18s var(--ease-out);
}

.skip-link:focus { top: 12px; }

/* =======================================================================
   13. 头部
   ======================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  color: var(--white);
  background: linear-gradient(180deg, rgba(6, 18, 41, 0.97), rgba(10, 31, 68, 0.93));
  border-bottom: 1px solid rgba(0, 229, 201, 0.18);
}

@supports (backdrop-filter: blur(1px)) {
  .site-header {
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 40px);
  padding-block: 14px;
  transition: padding .24s var(--ease-out);
}

/* --- 品牌 --- */
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--cyan), #00B39C);
  box-shadow: 0 0 0 1px rgba(0, 229, 201, 0.4),
              0 6px 18px rgba(0, 229, 201, 0.22);
  transition: width .24s var(--ease-out), height .24s var(--ease-out);
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -3px;
  top: -3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
}

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

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
}

.brand-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

/* --- 移动导航按钮 --- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 229, 201, 0.42);
  color: var(--white);
  font-size: 13.5px;
  font-weight: 700;
  transition: border-color .14s var(--ease-out), background-color .14s var(--ease-out);
}

.nav-toggle:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 201, 0.08);
}

.nav-toggle-bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: background-color .16s var(--ease-out);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform .18s var(--ease-out),
              top .18s var(--ease-out);
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after  { top: 6px; }

.site-header[data-open] .nav-toggle-bars { background: transparent; }
.site-header[data-open] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle-bars::after  { top: 0; transform: rotate(-45deg); }

/* --- 导航 --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
}

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

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  transition: color .14s var(--ease-out);
}

.nav-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity .14s var(--ease-out), transform .14s var(--ease-out);
}

.nav-link:hover { color: var(--cyan); }
.nav-link:hover::before { opacity: 1; transform: scale(1); }

.nav-link[aria-current="page"] { color: var(--cyan); }

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.nav-utility {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: clamp(12px, 1.6vw, 20px);
  border-left: 1px solid rgba(0, 229, 201, 0.25);
}

.utility-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 229, 201, 0.5);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
  transition: background-color .14s var(--ease-out),
              color .14s var(--ease-out);
}

.utility-link:hover {
  background: var(--cyan);
  color: var(--night);
}

/* --- 实时比分带 --- */
.scoreband {
  border-top: 1px solid rgba(0, 229, 201, 0.16);
  background: linear-gradient(90deg, rgba(0, 229, 201, 0.08), rgba(255, 107, 53, 0.05));
  transition: background-color .24s var(--ease-out);
}

.scoreband-shell {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 8px;
  transition: padding .24s var(--ease-out);
}

.scoreband-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.18em;
  color: var(--cyan);
  white-space: nowrap;
}

.scoreband-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  animation: pulse-dot 1.8s ease-out infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.65); }
  70%  { box-shadow: 0 0 0 7px rgba(255, 107, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0); }
}

.scoreband-viewport {
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}

.scoreband-viewport::-webkit-scrollbar { display: none; }

.scoreband-track {
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
}

.score-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 229, 201, 0.2);
  background: rgba(27, 58, 107, 0.6);
  white-space: nowrap;
  transition: padding .24s var(--ease-out);
}

.score-league {
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.score-team {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}

.score-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.score-sep {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(124, 144, 181, 0.8);
}

.score-state {
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 53, 0.16);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.score-state.is-final {
  background: rgba(124, 144, 181, 0.18);
  color: var(--fog);
}

.score-state.is-live {
  background: rgba(0, 229, 201, 0.16);
  color: var(--cyan);
}

.scoreband-toggle {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(124, 144, 181, 0.45);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  color: var(--fog);
  transition: color .14s var(--ease-out), border-color .14s var(--ease-out);
}

.scoreband-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* --- 头部压缩态 --- */
.site-header.is-condensed .header-bar { padding-block: 6px; }
.site-header.is-condensed .brand-tag { display: none; }
.site-header.is-condensed .brand-mark { width: 22px; height: 22px; border-radius: 7px; }
.site-header.is-condensed .brand-name { font-size: 15px; }
.site-header.is-condensed .scoreband-label,
.site-header.is-condensed .score-league,
.site-header.is-condensed .score-state { display: none; }
.site-header.is-condensed .scoreband-shell { padding-block: 3px; gap: 10px; }
.site-header.is-condensed .score-item { padding: 2px 10px; gap: 6px; }
.site-header.is-condensed .score-num { font-size: 12.5px; }
.site-header.is-condensed .score-team { font-size: 11.5px; }
.site-header.is-condensed .scoreband-toggle { padding: 3px 10px; font-size: 10.5px; }

/* --- 头部移动端 --- */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: calc(var(--gutter) * -1);
    right: calc(var(--gutter) * -1);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 26px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    background: var(--night);
    border-bottom: 1px solid rgba(0, 229, 201, 0.3);
    box-shadow: 0 26px 52px rgba(0, 0, 0, 0.55);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    justify-content: space-between;
    padding: 15px 4px;
    font-size: 19px;
    border-bottom: 1px solid rgba(124, 144, 181, 0.18);
  }

  .nav-link::before { order: 2; }
  .nav-link::after { display: none; }

  .nav-utility {
    padding-left: 0;
    padding-top: 20px;
    border-left: 0;
  }

  .utility-link { width: 100%; padding: 14px 18px; font-size: 15px; }

  .scoreband-label { display: none; }
  .scoreband-shell { gap: 10px; }
}

/* =======================================================================
   14. 页脚
   ======================================================================= */
.site-footer {
  position: relative;
  padding: clamp(52px, 7vw, 88px) 0 28px;
  background: var(--night);
  color: var(--fog);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 201, 0.18) 62%, var(--orange));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: clamp(26px, 3.4vw, 52px);
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
}

.footer-slogan {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.footer-desc {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.75;
}

.footer-title {
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--white);
}

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

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--fog);
  transition: color .14s var(--ease-out), padding-left .14s var(--ease-out);
}

.footer-link:hover {
  color: var(--cyan);
  padding-left: 5px;
}

.footer-list--contact { gap: 14px; }

.footer-contact-item {
  display: grid;
  gap: 3px;
}

.footer-contact-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mid);
  color: rgba(124, 144, 181, 0.72);
}

.footer-contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.footer-note {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(124, 144, 181, 0.9);
}

.site-footer .btn--ghost { margin-top: 18px; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid rgba(124, 144, 181, 0.2);
  font-size: 13px;
  color: rgba(124, 144, 181, 0.85);
}

.footer-legal {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

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

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* =======================================================================
   15. 动效降级
   ======================================================================= */
@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;
    scroll-behavior: auto !important;
  }

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

  .btn:hover,
  .card:hover { transform: none; }

  .footer-link:hover { padding-left: 0; }
}