/* ==========================================================================
   奇异果体育 · 共享样式 /assets/site.css
   果肉翠绿 + 籽黑 · 海报分层 · 坐标索引 · 纸张叠层
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  /* 色彩 */
  --paper: #F5F1E6;
  --ink: #10160F;
  --flesh: #63BE3C;
  --sprout: #B7E27A;
  --leaf: #245C2C;
  --orange: #FF7A2C;
  --yellow: #FFD34B;
  --cyan: #17E0B0;
  --violet: #7A5CFF;
  --mist: #DCE7D6;

  /* 排版 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* 尺度 */
  --rail: 88px;
  --head-h: 64px;
  --maxw: 1220px;
  --gutter: clamp(20px, 4vw, 56px);

  /* 纸张硬投影 */
  --shadow-paper: 6px 6px 0 -1px rgba(16, 22, 15, .18);
  --shadow-paper-sm: 4px 4px 0 -1px rgba(16, 22, 15, .22);

  /* 滚动进度，由 JS 写入 0–1 */
  --scroll: 0;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

ul[class],
ol[class] { list-style: none; padding-left: 0; }

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

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

button { background: none; border: 0; }

a { color: inherit; }

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

html.nav-locked,
html.nav-locked body { overflow: hidden; }

/* ---------- 3. 中文排版基座 ---------- */
body {
  min-height: 100vh;
  padding-top: var(--head-h);
  padding-left: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 450;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 1024px) {
  body {
    padding-top: 0;
    padding-left: var(--rail);
    font-size: 18px;
  }
}

p { max-width: 38em; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  max-width: 22em;
}

/* ---------- 4. 通用容器与网格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 36px);
  grid-template-columns: 1fr;
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 5. 文字工具 ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--leaf);
  line-height: 1.5;
}

.display {
  font-size: clamp(56px, 11vw, 160px);
  font-weight: 200;
  line-height: .86;
  letter-spacing: -.045em;
  max-width: none;
}

.display strong {
  font-weight: 900;
  letter-spacing: -.05em;
}

.lead {
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.7;
  font-weight: 450;
  color: rgba(16, 22, 15, .82);
  max-width: 30em;
}

/* ---------- 6. 章节刻度线 ---------- */
.rule {
  position: relative;
  height: 1px;
  margin-block: clamp(36px, 6vw, 64px);
  background: rgba(16, 22, 15, .16);
}

.rule__label {
  position: absolute;
  left: 0;
  top: -11px;
  padding-right: 14px;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--leaf);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-paper-sm);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 -1px rgba(16, 22, 15, .24);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 -1px rgba(16, 22, 15, .24);
}

.btn--accent {
  background: var(--orange);
  font-weight: 700;
}

.btn--solid {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 -1px var(--flesh);
}

.btn--solid:hover {
  box-shadow: 7px 7px 0 -1px var(--flesh);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(16, 22, 15, .32);
  box-shadow: none;
}

.btn--ghost:hover {
  box-shadow: 4px 4px 0 -1px rgba(16, 22, 15, .16);
}

/* ---------- 8. 标签纸 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid rgba(16, 22, 15, .72);
  border-radius: 2px;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.5;
}

.tag--green { background: var(--sprout); }
.tag--orange { background: var(--orange); }

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--leaf);
}

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

.breadcrumb a:hover {
  border-bottom-color: var(--violet);
}

.breadcrumb__sep { color: rgba(16, 22, 15, .3); }

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

/* ---------- 10. 图片容器基础规则 ---------- */
.figure { margin: 0; position: relative; }

.figure__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--mist);
  box-shadow: var(--shadow-paper);
}

.figure__frame > img,
.figure__frame > picture > img,
.figure__frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__frame--empty {
  background-image: repeating-linear-gradient(
    45deg,
    rgba(36, 92, 44, .10) 0 8px,
    transparent 8px 16px
  );
}

.figure--wide .figure__frame { aspect-ratio: 16 / 9; }
.figure--tall .figure__frame { aspect-ratio: 3 / 4; }
.figure--square .figure__frame { aspect-ratio: 1 / 1; }

.figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--leaf);
}

/* ---------- 11. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 300;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--cyan);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top .18s ease;
}

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

/* ---------- 12. 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--head-h);
  z-index: 120;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid rgba(245, 241, 230, .14);
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
  padding-inline: 16px;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex: 0 0 auto;
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  font-size: 34px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 50%,
    #F5F1E6 0 13%,
    var(--sprout) 14% 36%,
    var(--flesh) 37% 100%
  );
  box-shadow: inset 0 0 0 1px rgba(16, 22, 15, .5);
}

.brand__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: .065em;
  height: .065em;
  border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  box-shadow:
    0 -.28em 0 0 var(--ink),
    .198em -.198em 0 0 var(--ink),
    .28em 0 0 0 var(--ink),
    .198em .198em 0 0 var(--ink),
    0 .28em 0 0 var(--ink),
    -.198em .198em 0 0 var(--ink),
    -.28em 0 0 0 var(--ink),
    -.198em -.198em 0 0 var(--ink);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.brand__name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand__line {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(245, 241, 230, .58);
  line-height: 1.3;
  white-space: nowrap;
}

/* 移动导航按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(245, 241, 230, .34);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.nav-toggle:hover {
  background: var(--flesh);
  border-color: var(--flesh);
  color: var(--ink);
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
  height: 14px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 1px;
  transition: transform .2s ease, opacity .2s ease, width .2s ease;
}

.nav-toggle__bars span:nth-child(2) { width: 68%; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* 导航（移动端抽屉） */
.site-nav {
  position: fixed;
  top: var(--head-h);
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: min(86vw, 344px);
  padding: 24px 20px 32px;
  overflow-y: auto;
  background: var(--leaf);
  color: var(--paper);
  border-left: 1px solid rgba(245, 241, 230, .2);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform .24s cubic-bezier(.22, .61, .36, 1), visibility .24s;
}

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

.site-nav__hint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sprout);
  max-width: none;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-nav__item { display: block; }

.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(245, 241, 230, .16);
  border-radius: 2px;
  color: rgba(245, 241, 230, .88);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.site-nav__link:hover {
  background: rgba(183, 226, 122, .16);
  border-color: var(--sprout);
  color: var(--paper);
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--sprout);
  flex: 0 0 auto;
}

.site-nav__label {
  font-size: inherit;
  line-height: 1.3;
}

.site-nav__link[aria-current="page"] {
  background: var(--yellow);
  border-color: var(--ink);
  color: var(--ink);
}

.site-nav__link[aria-current="page"] .site-nav__index { color: var(--leaf); }

.site-nav__cta {
  margin-top: auto;
  width: 100%;
}

/* 移动端遮罩 */
.site-header::after {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  top: var(--head-h);
  bottom: 0;
  z-index: 1;
  background: rgba(16, 22, 15, .46);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.site-header[data-open="true"]::after {
  opacity: 1;
  pointer-events: auto;
}

/* 滚动进度：移动端贴顶栏下沿横向生长 */
.progress-rail {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--head-h);
  height: 3px;
  z-index: 121;
  background: rgba(183, 226, 122, .18);
  pointer-events: none;
}

.progress-rail__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--flesh);
  transform-origin: left center;
  transform: scaleX(var(--scroll, 0));
}

/* 深色区域焦点环换电光青 */
.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--cyan);
}

/* ---------- 13. 桌面端：左侧轨 ---------- */
@media (min-width: 1024px) {
  .site-header {
    top: 0;
    right: auto;
    bottom: 0;
    left: 0;
    width: var(--rail);
    height: auto;
    border-bottom: 0;
    border-right: 1px solid rgba(245, 241, 230, .16);
  }

  .site-header__inner {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 26px;
    height: 100%;
    padding: 22px 0 20px;
  }

  .brand {
    flex-direction: column;
    gap: 12px;
  }

  .brand__mark {
    width: 40px;
    height: 40px;
    font-size: 40px;
  }

  .brand__text {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .brand__name {
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .3em;
    line-height: 1;
  }

  .brand__line { display: none; }

  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    z-index: auto;
    flex: 1 1 auto;
    align-items: center;
    gap: 0;
    width: 100%;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    transform: none;
    visibility: visible;
    transition: none;
  }

  .site-nav__hint { display: none; }

  .site-nav__list {
    flex: 1 1 auto;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 100%;
  }

  .site-nav__link {
    justify-content: center;
    gap: 0;
    width: 48px;
    height: 46px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 2px;
    color: rgba(245, 241, 230, .62);
    font-size: 13px;
  }

  .site-nav__index {
    font-size: 13px;
    letter-spacing: .04em;
    color: inherit;
  }

  .site-nav__link:hover {
    background: var(--flesh);
    border-color: var(--flesh);
    color: var(--ink);
  }

  .site-nav__link[aria-current="page"] {
    position: relative;
    background: var(--yellow);
    border-color: var(--ink);
    color: var(--ink);
  }

  .site-nav__link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: -15px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    transform: translateY(-50%);
  }

  /* 悬停 / 聚焦时浮出栏目名称，像图例标签 */
  .site-nav__label {
    position: absolute;
    left: calc(100% + 14px);
    top: 50%;
    z-index: 6;
    padding: 6px 12px;
    background: var(--paper);
    color: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 2px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.3;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(-6px);
    box-shadow: 4px 4px 0 -1px rgba(16, 22, 15, .22);
    transition: opacity .18s ease, transform .18s ease;
  }

  .site-nav__link:hover .site-nav__label,
  .site-nav__link:focus-visible .site-nav__label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }

  .site-nav__cta { display: none; }

  .site-header::after { display: none; }

  .progress-rail {
    left: var(--rail);
    right: auto;
    top: 0;
    bottom: 0;
    width: 3px;
    height: auto;
    background: rgba(36, 92, 44, .12);
  }

  .progress-rail__fill {
    transform-origin: top center;
    transform: scaleY(var(--scroll, 0));
  }
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 132px);
  padding: clamp(44px, 6vw, 88px) var(--gutter) 26px;
  overflow: hidden;
  background: var(--leaf);
  color: var(--paper);
  isolation: isolate;
}

/* 切面水印：同心环 */
.site-footer::before {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  z-index: 0;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle, rgba(245, 241, 230, .10) 0 11%, transparent 12%),
    radial-gradient(circle, transparent 0 36%, rgba(183, 226, 122, .16) 37% 50%, transparent 51%),
    radial-gradient(circle, rgba(99, 190, 60, .18) 0 76%, transparent 77%);
}

/* 籽点环 */
.site-footer::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -34px;
  z-index: 0;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  opacity: .55;
  background-image: radial-gradient(circle, rgba(245, 241, 230, .62) 0 2px, transparent 2.5px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(circle, transparent 0 34%, #000 35% 62%, transparent 63%);
  mask-image: radial-gradient(circle, transparent 0 34%, #000 35% 62%, transparent 63%);
}

.site-footer__top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  max-width: 1180px;
  margin-inline: auto;
}

@media (min-width: 860px) {
  .site-footer__top {
    grid-template-columns: minmax(240px, 1.05fr) minmax(0, 1.55fr);
    align-items: start;
  }
}

.site-footer__brand { min-width: 0; }

.site-footer__name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.2;
  max-width: none;
}

.site-footer__summary {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(245, 241, 230, .8);
  max-width: 30ch;
}

.site-footer__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sprout);
  max-width: none;
}

.site-footer__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--flesh);
  box-shadow: 0 0 0 3px rgba(99, 190, 60, .22);
  flex: 0 0 auto;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 24px 20px;
}

.site-footer__col { min-width: 0; }

.site-footer__col-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sprout);
  max-width: none;
}

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

.site-footer__list a {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  color: rgba(245, 241, 230, .88);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .18s ease, border-color .18s ease;
}

.site-footer__list a:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.site-footer__contact {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: clamp(30px, 4.6vw, 60px) auto 0;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px dashed rgba(245, 241, 230, .26);
}

.site-footer__contact-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 28px;
}

@media (min-width: 720px) {
  .site-footer__contact-list {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }
}

.site-footer__contact-item { min-width: 0; }

.site-footer__contact-item dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sprout);
}

.site-footer__contact-item dd {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 241, 230, .92);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.site-footer__note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 241, 230, .62);
  max-width: 46em;
}

.site-footer__legal {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 26px;
  max-width: 1180px;
  margin: clamp(24px, 3.4vw, 40px) auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(245, 241, 230, .16);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(245, 241, 230, .58);
}

.site-footer__copy { max-width: none; }

.site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__legal-links a {
  text-decoration: none;
  color: rgba(245, 241, 230, .82);
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.site-footer__legal-links a:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.site-footer__icp { max-width: none; }

/* ---------- 15. 滚动显现 ---------- */
.reveal-ready [data-reveal] {
  transition:
    opacity .55s cubic-bezier(.22, .61, .36, 1),
    transform .55s cubic-bezier(.22, .61, .36, 1);
  transition-delay: calc(var(--reveal-i, 0) * 80ms);
}

.reveal-ready [data-reveal]:not([data-reveal="shown"]) {
  opacity: 0;
  transform: translateY(16px);
}

/* ---------- 16. 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }

  .reveal-ready [data-reveal]:not([data-reveal="shown"]) {
    opacity: 1;
    transform: none;
  }

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