/* ==========================================================================
   欧云娱乐站 · 共享样式 /assets/site.css
   设计语汇：珠江潮汐 · 夜未央 · 展签式信息骨架
   ========================================================================== */

/* --- 1. Reset ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* --- 2. 变量 ----------------------------------------------------------- */
:root {
  --c-deep: #06302E;
  --c-under: #0B4A45;
  --c-surface: #12655C;
  --c-mist: #7FA9A1;
  --c-gold: #D8A93B;
  --c-gold-soft: #F0D28A;
  --c-night: #241A3B;
  --c-night-soft: #3A2C5C;
  --c-neon: #FF7A3D;
  --c-white: #F2F5F1;
  --c-pine: #3C4B49;

  --text: var(--c-white);
  --text-muted: rgba(242, 245, 241, .68);
  --line: rgba(127, 169, 161, .22);
  --line-strong: rgba(127, 169, 161, .38);

  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1180px;
  --wrap-narrow: 780px;
  --r-soft: 26px 6px 26px 6px;
  --r-plate: 14px 3px 14px 3px;
  --ease-tide: cubic-bezier(.22, .61, .36, 1);
}

/* --- 3. 基础排版 ------------------------------------------------------- */
body {
  min-height: 100vh;
  background-color: var(--c-deep);
  background-image:
    radial-gradient(90% 62% at 82% -12%, rgba(18, 101, 92, .55), transparent 68%),
    radial-gradient(72% 52% at -6% 4%, rgba(36, 26, 59, .55), transparent 66%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (min-width: 900px) {
  body { font-size: 17px; line-height: 1.76; }
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  text-wrap: pretty;
}
p { text-wrap: pretty; overflow-wrap: break-word; }

.display-title { font-size: 28px; line-height: 1.21; letter-spacing: -.02em; }
@media (min-width: 900px) { .display-title { font-size: 44px; line-height: 1.27; } }

.section-title { font-size: 24px; line-height: 1.3; }
@media (min-width: 900px) { .section-title { font-size: 34px; line-height: 1.32; } }

.section-name { font-size: 20px; line-height: 1.4; }
@media (min-width: 900px) { .section-name { font-size: 22px; line-height: 1.45; } }

.lead {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}
@media (min-width: 900px) { .lead { font-size: 17px; line-height: 1.76; } }

.text-muted { color: var(--text-muted); }
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

/* --- 4. 焦点与可访问性 ------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 3px;
  border-radius: 2px;
}
.skip-link {
  position: absolute;
  left: 50%;
  top: -72px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 10px 20px;
  background: var(--c-gold);
  color: #0B201D;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: 0 0 14px 3px;
  transition: top .22s var(--ease-tide);
}
.skip-link:focus { top: 0; }

/* --- 5. 布局容器 ------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}
@media (min-width: 768px) { .wrap { padding-inline: 32px; } }
.wrap--narrow { max-width: var(--wrap-narrow); }

.section { padding-block: clamp(40px, 6vw, 80px); }

.zone { position: relative; padding-block: clamp(48px, 7vw, 96px); }
.zone--deep { background: var(--c-deep); }
.zone--under { background: var(--c-under); }
.zone--surface { background: var(--c-surface); }
.zone--night { background: var(--c-night); color: var(--c-white); }
.zone--light { background: var(--c-white); color: var(--c-pine); }
.zone--light .lead,
.zone--light .text-muted { color: #4C5C59; }

.grid { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); }
.grid--split { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) {
  .grid--split {
    grid-template-columns: minmax(220px, 3fr) minmax(0, 9fr);
    gap: 56px;
    align-items: start;
  }
}
.grid--cards { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .grid--cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) {
  .grid--tide {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }
  .grid--tide > *:nth-child(1) { grid-column: 1 / span 7; }
  .grid--tide > *:nth-child(2) { grid-column: 9 / span 4; margin-top: 56px; }
  .grid--tide > *:nth-child(3) { grid-column: 2 / span 5; }
  .grid--tide > *:nth-child(4) { grid-column: 8 / span 5; margin-top: 40px; }
}
.stack { display: flex; flex-direction: column; gap: 16px; }

/* --- 6. 展签式章节标记 ------------------------------------------------- */
.section-marker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.section-marker::before {
  content: "";
  flex: none;
  width: 34px;
  height: 2px;
  background: var(--c-gold);
}
.section-marker__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.section-marker__note {
  font-size: 13px;
  color: var(--c-mist);
}
.zone--light .section-marker__note { color: #5D6B69; }

.plate {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-left: 2px solid var(--c-gold);
  background: rgba(18, 101, 92, .35);
}
.plate__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-mist);
}
.plate__value { font-size: 15px; line-height: 1.6; }

/* --- 7. 按钮 ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-plate);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background-color .25s var(--ease-tide), color .25s var(--ease-tide),
              border-color .25s var(--ease-tide), transform .25s var(--ease-tide);
}
.btn--gold { background: var(--c-gold); color: #0B201D; }
.btn--gold:hover { background: var(--c-gold-soft); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(216, 169, 59, .5); color: var(--c-gold-soft); }
.btn--ghost:hover { border-color: var(--c-gold-soft); background: rgba(216, 169, 59, .12); }
.btn--minor { padding: 6px 0; color: var(--c-mist); font-weight: 500; }
.btn--minor:hover { color: var(--c-gold-soft); }

/* --- 8. 面包屑 --------------------------------------------------------- */
.breadcrumb { padding-block: 16px; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--c-mist);
}
.breadcrumb__item + .breadcrumb__item::before {
  content: "·";
  margin-right: 8px;
  color: rgba(127, 169, 161, .5);
}
.breadcrumb__link { color: var(--c-mist); transition: color .2s var(--ease-tide); }
.breadcrumb__link:hover { color: var(--c-gold-soft); }
.breadcrumb__item[aria-current="page"] { color: var(--c-white); font-family: var(--font-mono); }

/* --- 9. 卡片 · 面板 · 指标 -------------------------------------------- */
.tide-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--c-under);
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
  transition: transform .32s var(--ease-tide), border-color .32s var(--ease-tide);
}
.tide-card::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-neon);
  opacity: .85;
}
.tide-card:hover,
.tide-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(216, 169, 59, .55);
}
.tide-card__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-gold);
}
.tide-card__title { font-family: var(--font-display); font-size: 21px; line-height: 1.3; }
.tide-card__text { font-size: 15px; line-height: 1.7; color: var(--text-muted); }
.tide-card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mist);
}
.tide-card__reveal {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  color: var(--c-gold-soft);
  transition: max-height .32s var(--ease-tide), opacity .32s var(--ease-tide);
}
.tide-card:hover .tide-card__reveal,
.tide-card:focus-within .tide-card__reveal { max-height: 96px; opacity: 1; }

.panel {
  padding: 22px;
  background: var(--c-surface);
  border: 1px solid var(--line);
  border-radius: 24px 6px 24px 6px;
}
.panel--night { background: var(--c-night-soft); border-color: rgba(216, 169, 59, .2); }
.panel--quiet { background: rgba(11, 74, 69, .6); }
.panel__title { font-family: var(--font-display); font-size: 19px; margin-bottom: 10px; }
.panel__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-mist);
}

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-gold-soft);
}
.stat__label { font-size: 13px; color: var(--c-mist); }

/* --- 10. 分段切换（标签页） ------------------------------------------- */
.tabs { display: flex; flex-direction: column; gap: 22px; }
.tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}
.tabs__tab {
  flex: none;
  padding: 10px 16px;
  font-size: 15px;
  color: var(--c-mist);
  border-bottom: 2px solid transparent;
  transition: color .22s var(--ease-tide), border-color .22s var(--ease-tide);
}
.tabs__tab:hover { color: var(--c-white); }
.tabs__tab[aria-selected="true"] {
  color: var(--c-gold-soft);
  border-bottom-color: var(--c-gold);
}
.tabs__panel { display: block; }

/* --- 11. 图片容器 ------------------------------------------------------ */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 32px 8px 32px 8px;
  background:
    linear-gradient(155deg, var(--c-under) 0%, var(--c-night) 100%);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 48, 46, 0) 42%, rgba(6, 48, 46, .62) 100%);
  pointer-events: none;
}
.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-tide);
}
.media-frame:hover .media-frame__img { transform: scale(1.03); }
.media-frame__caption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-gold-soft);
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tide { aspect-ratio: 5 / 4; }

/* --- 12. 时间轴 -------------------------------------------------------- */
.tide-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-left: 28px;
}
.tide-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(216, 169, 59, .75), rgba(127, 169, 161, .16));
}
.tide-timeline__item { position: relative; padding-bottom: 28px; }
.tide-timeline__node {
  position: absolute;
  left: -28px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 2px solid var(--c-gold);
}
.zone--night .tide-timeline__node,
.zone--light .tide-timeline__node { background: inherit; }
.tide-timeline__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-mist);
}
.tide-timeline__title { font-family: var(--font-display); font-size: 18px; margin-top: 4px; }

/* --- 13. 页头 ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 48, 46, .96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease-tide);
}
.site-header::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(216, 169, 59, 0) 0%, var(--c-gold) 24%,
              var(--c-gold-soft) 50%, var(--c-gold) 76%, rgba(216, 169, 59, 0) 100%);
  opacity: .8;
}
.site-header[data-compact] { box-shadow: 0 22px 38px -30px rgba(0, 0, 0, .95); }

.site-header__inner {
  position: relative;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 16px 20px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.masthead { display: block; text-align: center; padding: 6px 0 12px; }
.masthead__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 25px;
  line-height: 1.15;
  letter-spacing: .14em;
  color: var(--c-white);
}
.masthead__tagline {
  display: block;
  margin-top: 7px;
  font-size: 11.5px;
  letter-spacing: .26em;
  color: var(--c-gold);
}

.site-nav { display: none; width: 100%; }
.site-nav[data-open] { display: block; }
.site-nav__list {
  display: flex;
  flex-direction: column;
  padding: 4px 0 12px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
.site-nav__item { width: 100%; }
.site-nav__link {
  display: block;
  padding: 12px 4px;
  font-size: 15px;
  color: rgba(242, 245, 241, .8);
  border-bottom: 1px solid rgba(127, 169, 161, .14);
  transition: color .22s var(--ease-tide);
}
.site-nav__link:hover { color: var(--c-gold-soft); }
.site-nav__link[aria-current="page"] { color: var(--c-gold-soft); }
.site-nav__link[aria-current="page"]::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 6px;
  background: var(--c-gold);
}

.masthead-search { display: none; }

.nav-toggle {
  position: absolute;
  top: 14px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(216, 169, 59, .42);
  border-radius: var(--r-plate);
  color: var(--c-gold-soft);
  font-size: 13px;
  letter-spacing: .08em;
  transition: background-color .25s var(--ease-tide), border-color .25s var(--ease-tide);
}
.nav-toggle:hover { background: rgba(216, 169, 59, .12); border-color: var(--c-gold); }
.nav-toggle__label { font-family: var(--font-mono); }
.nav-toggle__icon {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: top .28s var(--ease-tide), transform .28s var(--ease-tide);
}
.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { top: 4px; transform: rotate(-45deg); }

/* 紧凑态悬浮动作条 */
.quick-bar {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  background: rgba(11, 74, 69, .97);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 26px 34px -28px rgba(0, 0, 0, .95);
}
.site-header[data-compact] .quick-bar { display: block; }
.quick-bar__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 9px 20px;
}
.quick-bar__link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid rgba(216, 169, 59, .22);
  border-radius: 12px 3px 12px 3px;
  background: rgba(216, 169, 59, .1);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-gold-soft);
  transition: background-color .22s var(--ease-tide), color .22s var(--ease-tide);
}
.quick-bar__link:hover { background: rgba(216, 169, 59, .24); color: var(--c-white); }

/* 紧凑态：刊头收细 */
.site-header[data-compact] .masthead { padding: 4px 0 6px; }
.site-header[data-compact] .masthead__tagline { display: none; }
.site-header[data-compact] .masthead__name { font-size: 19px; letter-spacing: .12em; }

/* 桌面刊头 */
@media (min-width: 900px) {
  .site-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-areas:
      ". brand search"
      "nav nav nav";
    align-items: center;
    column-gap: 20px;
    padding: 20px 32px 0;
  }
  .masthead {
    grid-area: brand;
    padding: 0 0 14px;
  }
  .masthead__name { font-size: 32px; letter-spacing: .18em; }
  .masthead__tagline { font-size: 12px; letter-spacing: .38em; }
  .site-nav {
    grid-area: nav;
    display: block;
    width: 100%;
  }
  .site-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    padding: 0 0 14px;
    margin-top: 0;
    border-top: 1px solid var(--line);
  }
  .site-nav__item { width: auto; }
  .site-nav__link {
    padding: 10px 16px;
    border-bottom: 0;
    font-size: 15px;
  }
  .site-nav__link[aria-current="page"]::after { margin: 4px auto 0; }
  .masthead-search {
    grid-area: search;
    justify-self: end;
    display: inline-flex;
    align-items: center;
    padding: 9px 16px;
    border: 1px solid rgba(216, 169, 59, .35);
    border-radius: var(--r-plate);
    font-size: 13px;
    letter-spacing: .06em;
    color: var(--c-gold-soft);
    transition: background-color .25s var(--ease-tide), border-color .25s var(--ease-tide);
  }
  .masthead-search:hover { background: rgba(216, 169, 59, .12); border-color: var(--c-gold); }
  .nav-toggle { display: none; }
  .site-header[data-compact] .site-header__inner { padding-top: 12px; }
  .site-header[data-compact] .masthead { padding-bottom: 8px; }
  .site-header[data-compact] .masthead__name { font-size: 22px; }
  .site-header[data-compact] .site-nav__list { padding-bottom: 10px; }
}

/* --- 14. 页脚 ---------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: auto;
  background: var(--c-night);
  color: rgba(242, 245, 241, .82);
  border-top: 1px solid rgba(216, 169, 59, .28);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 140px;
  background: radial-gradient(120% 100% at 50% 0%, rgba(216, 169, 59, .16), transparent 72%);
  pointer-events: none;
}
.site-footer__inner {
  position: relative;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 48px 20px 30px;
  display: grid;
  gap: 34px;
}
@media (min-width: 760px) {
  .site-footer__inner {
    grid-template-columns: minmax(220px, 1fr) minmax(0, 1.7fr);
    gap: 48px;
    padding: 64px 32px 40px;
  }
}

.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-brand__name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .14em;
  color: var(--c-white);
}
.footer-brand__line { font-size: 12px; letter-spacing: .2em; color: var(--c-gold); }
.footer-brand__note {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 245, 241, .62);
}

.footer-nav { display: grid; gap: 26px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 560px) { .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; } }
.footer-nav__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.footer-nav__list { display: flex; flex-direction: column; gap: 9px; }
.footer-nav__link {
  font-size: 14px;
  color: rgba(242, 245, 241, .74);
  transition: color .22s var(--ease-tide);
}
.footer-nav__link:hover { color: var(--c-gold-soft); }

.site-footer__meta {
  position: relative;
  background: rgba(6, 48, 46, .5);
  border-top: 1px solid rgba(127, 169, 161, .18);
}
.footer-meta {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 22px 20px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 900px) {
  .footer-meta {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    padding: 22px 32px 30px;
  }
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13px;
  color: rgba(242, 245, 241, .7);
}
.footer-contact__item { display: flex; gap: 10px; align-items: baseline; }
.footer-contact__key {
  flex: none;
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-mist);
}
.footer-contact__value { font-variant-numeric: tabular-nums; }
.footer-legal {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(127, 169, 161, .88);
}

/* --- 15. 显现动效 ------------------------------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translate3d(16px, 20px, 0);
  transition: opacity .5s var(--ease-tide), transform .5s var(--ease-tide);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* --- 16. 减动效 -------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .tide-card:hover { transform: none; }
  .media-frame:hover .media-frame__img { transform: none; }
}