/* 隐藏 Webflow 导出站右下角徽章 */
.w-webflow-badge {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* 全站中英文切换：依赖根节点 data-lang="en"|"zh"（由 js/site-lang.js 与用户偏好写入） */

.lang-switch {
  display: inline-flex;
  align-items: baseline;
  column-gap: 0.56em;
  margin-right: clamp(0.65rem, 2vw, 1.05rem);
  font-size: 0.9em;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.lang-switch-btn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
  opacity: 0.45;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.lang-switch-btn:hover {
  opacity: 0.85;
}

.lang-switch-btn:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 3px;
}

.lang-switch-btn[aria-pressed="true"] {
  opacity: 1;
}

.lang-switch-sep {
  opacity: 0.32;
  user-select: none;
  pointer-events: none;
}

html[data-lang="en"] .lang-zh {
  display: none !important;
}

html[data-lang="zh"] .lang-en {
  display: none !important;
}

/* 无 data-lang 时默认英文（脚本极早运行时也会补上） */
html:not([data-lang]) .lang-zh {
  display: none !important;
}

.navigation.second .second-part {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  column-gap: 0;
}

.navigation.second .second-part .menu-text {
  position: static;
  margin-top: -5px;
  margin-right: 0;
  margin-bottom: 1px;
  flex: none;
}

.navigation.second .second-part .lang-switch {
  flex: none;
  margin-right: clamp(1.35rem, 3vw, 2rem);
}

/* 页脚 Contact：邮箱/电话链接（与 cv.html 一致） */
.footer-main #w-node-_430377ad-3499-b0a3-857b-a4511ae5d416-1ae5d3e9 .home-flex a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.footer-main #w-node-_430377ad-3499-b0a3-857b-a4511ae5d416-1ae5d3e9 .home-flex a:hover {
  text-decoration-color: currentColor;
}

html.project-detail-symbiosis-light .footer-main #w-node-_430377ad-3499-b0a3-857b-a4511ae5d416-1ae5d3e9 .home-flex a {
  text-decoration-color: rgba(10, 10, 10, 0.35);
}

/* 页脚 WeChat：二维码弹层 */
body.wechat-qr-modal-open {
  overflow: hidden;
}

.wechat-qr-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
}

.wechat-qr-modal[hidden] {
  display: none !important;
}

.wechat-qr-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  cursor: pointer;
}

.wechat-qr-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 20rem);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: 0.75rem;
  background: #fff;
  color: #0a0a0a;
  text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.wechat-qr-modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  border: none;
  background: none;
  padding: 0.25rem 0.5rem;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(10, 10, 10, 0.55);
  cursor: pointer;
}

.wechat-qr-modal__close:hover {
  color: #0a0a0a;
}

.wechat-qr-modal__title {
  margin: 0 0 0.35rem;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.wechat-qr-modal__hint {
  margin: 0 0 1rem;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(10, 10, 10, 0.62);
}

.wechat-qr-modal__img {
  display: block;
  width: min(100%, 16.5rem);
  height: auto;
  margin: 0 auto;
  border-radius: 0.35rem;
}

.wechat-qr-modal__id {
  margin: 0.85rem 0 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: rgba(10, 10, 10, 0.72);
}