[data-site-footer] {
  --site-footer-bg: #050706;
  --site-footer-fg: rgba(247, 249, 248, 0.95);
  --site-footer-muted: rgba(230, 235, 233, 0.58);
  --site-footer-subtle: rgba(230, 235, 233, 0.4);
  --site-footer-line: rgba(241, 245, 243, 0.16);
  --site-footer-line-strong: rgba(241, 245, 243, 0.48);
  --site-footer-control-bg: rgba(247, 249, 248, 0.035);
  --site-footer-control-hover: rgba(247, 249, 248, 0.94);
  --site-footer-icon-filter: invert(1);
  --site-footer-art-blend: screen;
  --site-footer-art-filter: grayscale(1) brightness(0.76) contrast(1.08);
  --site-footer-art-opacity: 0.14;
  --site-footer-fingerprint: rgba(255, 255, 255, 0.58);
  --site-footer-douyin: #25f4ee;
  --site-footer-wechat: #07c160;
  --site-footer-xiaohongshu: #ff2442;
  position: relative;
  z-index: 30;
  isolation: isolate;
  width: 100%;
  min-height: 270px;
  box-sizing: border-box;
  overflow: hidden;
  margin: 0;
  padding: 0;
  color: var(--site-footer-fg);
  background: var(--site-footer-bg);
  border: 0;
  box-shadow: none;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

[data-site-footer][data-footer-surface="home"] {
  --site-footer-bg: #050706;
}

[data-site-footer][data-footer-surface="capability"] {
  --site-footer-bg: #f7f8f7;
}

[data-site-footer][data-footer-surface="projects"] {
  --site-footer-bg: #090c0b;
}

[data-site-footer][data-footer-surface="about"] {
  --site-footer-bg: #000;
}

[data-site-footer][data-footer-surface="contact"] {
  --site-footer-bg: #070808;
}

[data-site-footer][data-footer-theme="dark"] {
  --site-footer-art-blend: screen;
}

[data-site-footer][data-footer-theme="light"] {
  --site-footer-fg: rgba(14, 20, 21, 0.94);
  --site-footer-muted: rgba(25, 33, 35, 0.6);
  --site-footer-subtle: rgba(25, 33, 35, 0.43);
  --site-footer-line: rgba(18, 27, 29, 0.15);
  --site-footer-line-strong: rgba(18, 27, 29, 0.46);
  --site-footer-control-bg: rgba(14, 20, 21, 0.025);
  --site-footer-control-hover: rgba(14, 20, 21, 0.92);
  --site-footer-icon-filter: none;
  --site-footer-art-blend: multiply;
  --site-footer-art-filter: invert(1) grayscale(1) contrast(1.12);
  --site-footer-art-opacity: 0.1;
  --site-footer-fingerprint: rgba(17, 23, 24, 0.5);
  --site-footer-douyin: #111718;
  --site-footer-wechat: #07883f;
  --site-footer-xiaohongshu: #d81e36;
}

[data-site-footer],
[data-site-footer] * {
  box-sizing: border-box;
}

[data-site-footer] a {
  color: inherit;
  text-decoration: none;
}

[data-site-footer] .site-footer__inner {
  position: relative;
  z-index: 3;
  width: min(calc(100% - 40px), 760px);
  margin: 0 auto;
  padding: 28px 0 86px;
  text-align: center;
}

[data-site-footer] .site-footer__intro {
  display: grid;
  justify-items: center;
  gap: 9px;
}

[data-site-footer] .site-footer__brand {
  display: inline-grid;
  justify-items: center;
  gap: 5px;
  line-height: 1;
}

[data-site-footer] .site-footer__brand-cn {
  font-size: clamp(17px, 1.25vw, 20px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0.055em;
}

[data-site-footer] .site-footer__brand-en {
  color: var(--site-footer-muted);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 8.5px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.18em;
}

[data-site-footer] .site-footer__intro > p {
  margin: 0;
  color: var(--site-footer-muted);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.045em;
}

[data-site-footer] .site-footer__socials {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3.2vw, 34px);
  width: min(100%, 330px);
  margin: 14px auto 0;
  padding: 0;
  list-style: none;
}

[data-site-footer] .site-footer__socials li {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-height: 44px;
  color: var(--site-footer-subtle);
  font-size: 9.5px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

[data-site-footer] .site-footer__social-icon {
  display: block;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
}

[data-site-footer] .site-footer__social-icon--douyin {
  color: var(--site-footer-douyin);
  -webkit-mask-image: url("./assets/site-footer/icons/douyin.svg");
  mask-image: url("./assets/site-footer/icons/douyin.svg");
}

[data-site-footer] .site-footer__social-icon--wechat {
  color: var(--site-footer-wechat);
  -webkit-mask-image: url("./assets/site-footer/icons/wechat.svg");
  mask-image: url("./assets/site-footer/icons/wechat.svg");
}

[data-site-footer] .site-footer__social-icon--xiaohongshu {
  color: var(--site-footer-xiaohongshu);
  -webkit-mask-image: url("./assets/site-footer/icons/xiaohongshu.svg");
  mask-image: url("./assets/site-footer/icons/xiaohongshu.svg");
}

[data-site-footer] .site-footer__legal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 10px;
  color: var(--site-footer-subtle);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 8px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.035em;
}

[data-site-footer] .site-footer__fingerprint {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  display: block;
  width: 32px;
  height: 32px;
  color: var(--site-footer-fingerprint);
  background-color: currentColor;
  -webkit-mask-image: url("./assets/site-footer/icons/fingerprint.svg");
  mask-image: url("./assets/site-footer/icons/fingerprint.svg");
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

[data-site-footer] .site-footer__top {
  position: absolute;
  right: clamp(18px, 3vw, 42px);
  bottom: 18px;
  z-index: 4;
  display: grid;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  place-items: center;
  padding: 0;
  color: var(--site-footer-fg);
  background: var(--site-footer-control-bg);
  border: 1px solid var(--site-footer-line);
  border-radius: 50%;
  box-shadow: none;
  cursor: pointer;
  transition: background 220ms ease, border-color 220ms ease, transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

[data-site-footer] .site-footer__top img {
  display: block;
  width: 13px;
  height: 13px;
  filter: var(--site-footer-icon-filter);
  opacity: 0.86;
}

[data-site-footer] .site-footer__art {
  position: absolute;
  bottom: 0;
  left: 50%;
  z-index: 1;
  width: min(620px, 68vw);
  height: 78px;
  overflow: hidden;
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 800ms ease, clip-path 1000ms cubic-bezier(0.22, 1, 0.36, 1);
}

[data-site-footer].is-art-visible .site-footer__art {
  opacity: var(--site-footer-art-opacity);
  clip-path: inset(0 0 0 0);
}

[data-site-footer] .site-footer__art img {
  position: absolute;
  top: 0;
  left: 50%;
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  filter: var(--site-footer-art-filter);
  mix-blend-mode: var(--site-footer-art-blend);
  transform: translate(-50%, -33.5%);
  user-select: none;
}

@media (hover: hover) and (pointer: fine) {
  [data-site-footer] .site-footer__legal a:hover {
    color: var(--site-footer-fg);
  }

  [data-site-footer] .site-footer__top:hover {
    background: var(--site-footer-control-hover);
    border-color: var(--site-footer-control-hover);
    transform: translateY(-2px);
  }

  [data-site-footer] .site-footer__top:hover img {
    filter: none;
  }

  [data-site-footer][data-footer-theme="light"] .site-footer__top:hover img {
    filter: invert(1);
  }
}

[data-site-footer] .site-footer__brand:focus-visible,
[data-site-footer] .site-footer__legal a:focus-visible,
[data-site-footer] .site-footer__top:focus-visible {
  outline: 1px solid var(--site-footer-line-strong);
  outline-offset: 4px;
}

@media (min-width: 721px) {
  [data-site-footer] {
    min-height: 64px;
  }

  [data-site-footer][data-footer-theme="dark"] {
    --site-footer-muted: rgba(247, 249, 248, 0.72);
    --site-footer-subtle: rgba(247, 249, 248, 0.66);
    --site-footer-douyin: #fff;
    --site-footer-wechat: #fff;
    --site-footer-xiaohongshu: #fff;
  }

  [data-site-footer][data-footer-theme="light"] {
    --site-footer-muted: rgba(14, 20, 21, 0.62);
    --site-footer-subtle: rgba(14, 20, 21, 0.58);
    --site-footer-douyin: #111718;
    --site-footer-wechat: #111718;
    --site-footer-xiaohongshu: #111718;
  }

  [data-site-footer] .site-footer__inner {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(18px, 3vw, 48px);
    width: min(calc(100% - 128px), 1280px);
    height: 64px;
    margin: 0 auto;
    padding: 0;
    text-align: left;
  }

  [data-site-footer] .site-footer__intro {
    grid-column: 1;
    grid-row: 1;
    display: block;
    min-width: 0;
  }

  [data-site-footer] .site-footer__brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
    white-space: nowrap;
  }

  [data-site-footer] .site-footer__brand-cn {
    font-size: 14px;
    letter-spacing: 0.045em;
  }

  [data-site-footer] .site-footer__brand-en {
    font-size: 8.5px;
    letter-spacing: 0.13em;
  }

  [data-site-footer] .site-footer__intro > p {
    display: none;
  }

  [data-site-footer] .site-footer__socials {
    grid-column: 3;
    grid-row: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    width: auto;
    margin: 0;
  }

  [data-site-footer] .site-footer__socials li {
    display: grid;
    width: 20px;
    min-height: 20px;
    place-items: center;
  }

  [data-site-footer] .site-footer__socials li > span:last-child {
    display: none;
  }

  [data-site-footer] .site-footer__social-icon {
    width: 18px;
    height: 18px;
  }

  [data-site-footer] .site-footer__legal {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
    align-items: center;
    width: min(430px, 48vw);
    min-width: 0;
    margin: 0;
    font-size: 9px;
    white-space: nowrap;
    transform: translate(-50%, -50%);
  }

  [data-site-footer] .site-footer__legal > span {
    grid-column: 1;
    justify-self: end;
  }

  [data-site-footer] .site-footer__legal > a {
    grid-column: 3;
    justify-self: start;
  }

  [data-site-footer] .site-footer__top {
    top: 50%;
    right: clamp(14px, 2vw, 28px);
    bottom: auto;
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
    transform: translateY(-50%);
  }

  [data-site-footer] .site-footer__top:hover {
    transform: translateY(calc(-50% - 2px));
  }

  [data-site-footer] .site-footer__art {
    display: none;
  }
}

@media (min-width: 721px) and (max-width: 820px) {
  [data-site-footer] .site-footer__inner {
    gap: 14px;
    width: calc(100% - 112px);
  }

  [data-site-footer] .site-footer__socials {
    gap: 12px;
  }

  [data-site-footer] .site-footer__legal > span {
    display: none;
  }
}

@media (max-width: 720px) {
  [data-site-footer] {
    min-height: 100px;
  }

  [data-site-footer][data-footer-theme="dark"] {
    --site-footer-art-opacity: 0.16;
    --site-footer-douyin: #fff;
    --site-footer-wechat: #fff;
    --site-footer-xiaohongshu: #fff;
  }

  [data-site-footer][data-footer-theme="light"] {
    --site-footer-art-opacity: 0.16;
    --site-footer-douyin: #111718;
    --site-footer-wechat: #111718;
    --site-footer-xiaohongshu: #111718;
  }

  [data-site-footer] .site-footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    gap: 6px 14px;
    align-items: center;
    align-content: center;
    width: 100%;
    min-height: 100px;
    padding: 10px 52px max(10px, env(safe-area-inset-bottom)) 14px;
    text-align: left;
  }

  [data-site-footer] .site-footer__intro {
    grid-column: 1;
    grid-row: 1;
    display: block;
    min-width: 0;
  }

  [data-site-footer] .site-footer__brand {
    display: inline-grid;
    justify-items: start;
    gap: 2px;
    white-space: nowrap;
  }

  [data-site-footer] .site-footer__brand-cn {
    font-size: 14px;
  }

  [data-site-footer] .site-footer__brand-en {
    font-size: 6.5px;
    letter-spacing: 0.12em;
  }

  [data-site-footer] .site-footer__intro > p {
    display: none;
  }

  [data-site-footer] .site-footer__socials {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    width: auto;
    margin: 0;
  }

  [data-site-footer] .site-footer__socials li {
    display: grid;
    width: 16px;
    min-height: 16px;
    place-items: center;
  }

  [data-site-footer] .site-footer__socials li > span:last-child {
    display: none;
  }

  [data-site-footer] .site-footer__social-icon {
    width: 16px;
    height: 16px;
  }

  [data-site-footer] .site-footer__legal {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 0;
    min-width: 0;
    margin: 0;
    font-size: 8px;
    white-space: nowrap;
  }

  [data-site-footer] .site-footer__fingerprint {
    width: 28px;
    height: 28px;
  }

  [data-site-footer] .site-footer__legal > span {
    display: none;
  }

  [data-site-footer] .site-footer__top {
    top: 50%;
    right: 10px;
    bottom: auto;
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    transform: translateY(-50%);
  }

  [data-site-footer] .site-footer__art {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-site-footer] .site-footer__top,
  [data-site-footer] .site-footer__art {
    transition: none;
  }
}