/* =========================================================
   陌趣集团官网 — 站点样式（按 Figma 设计稿还原）
   仅承载新版设计，不修改 bootstrap 源文件。
   ========================================================= */

/* ---------- 字体 ---------- */
@font-face {
  font-family: 'PuHuiTi';
  src: url('../fonts/PuHuiTi-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'PuHuiTi';
  src: url('../fonts/PuHuiTi-Bold.woff2') format('woff2');
  font-weight: 700 800;
  font-display: swap;
}
@font-face {
  font-family: 'PuHuiTi';
  src: url('../fonts/PuHuiTi-Heavy.woff2') format('woff2');
  font-weight: 900;
  font-display: swap;
}

/* ---------- 设计变量 ---------- */
:root {
  --blue: #089df3;
  --blue-dark: #132d4c;
  --ink: #132f3d;
  --text-1: #333333;
  --text-2: #666666;
  --text-3: #999999;
  --bg-warm: #fffaf2;
  --bg-blue-soft: #eaf6ff;
  --cyan: #80e7f9;
  --container: 1400px;
  --body-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Heiti SC", sans-serif;
  --head-font: "PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ---------- 基础重置（仅作用于新版 body） ---------- */
body.mq {
  font-family: var(--body-font);
  color: var(--text-1);
  background: #fff;
  margin: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
/* 内容不足时把页脚顶到底部 */
body.mq > .mq-footer { margin-top: auto; }
body.mq * { box-sizing: border-box; }
body.mq img { max-width: 100%; display: block; }
body.mq a { color: inherit; text-decoration: none; }
body.mq h1, body.mq h2, body.mq h3, body.mq h4, body.mq p { margin: 0; }

.mq-container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* 段标题（公司简介 / 发展里程碑 / 企业公益 …） */
.mq-heading {
  font-family: var(--head-font);
  font-weight: 900;
  color: var(--blue-dark);
  font-size: 52px;
  line-height: 1.4;
  text-align: center;
  position: relative;
  display: inline-block;
}
.mq-heading .deco {
  display: block;
  width: 190px;
  height: 6px;
  margin: 12px auto 0;
  position: relative;
}
.mq-heading .deco::before,
.mq-heading .deco::after {
  content: "";
  position: absolute;
  top: 0;
  width: 68px;
  height: 6px;
  border-radius: 6px;
}
.mq-heading .deco::before { left: 0;  background: linear-gradient(90deg, rgba(8,157,243,0), #089df3); }
.mq-heading .deco::after  { right: 0; background: linear-gradient(90deg, #089df3, rgba(8,157,243,0)); }
.mq-heading .deco i {
  position: absolute;
  top: 0; left: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%);
  box-shadow: -12px 0 0 var(--blue), 12px 0 0 var(--blue);
}
.mq-heading-wrap { text-align: center; }

/* =========================================================
   导航栏
   ========================================================= */
.mq-nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 84px;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background .3s ease, box-shadow .3s ease;
}
.mq-nav .mq-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mq-nav .brand { display: flex; align-items: center; }
.mq-nav .brand img { height: 34px; width: auto; transition: filter .3s ease; }
/* logo 默认（透明导航时）为白色 */
.mq-nav .brand img {
  filter: brightness(0) invert(1);
}
.mq-menu { display: flex; align-items: center; gap: 44px; }
/* 提高选择器层级(.mq-nav 前缀)，确保白色不被 body.mq a{color:inherit} 覆盖 */
.mq-nav .mq-menu a {
  font-size: 18px;
  color: #fff;                 /* 透明导航（首页视频区）：纯白，全部清晰可读 */
  opacity: 1;
  position: relative;
  padding: 6px 0;
  transition: opacity .3s ease, color .3s ease, font-weight .3s ease;
  white-space: nowrap;
}
.mq-nav .mq-menu a.active { font-weight: 600; }
.mq-menu a.active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -2px;
  width: 24px; height: 4px;
  border-radius: 4px;
  background: currentColor;
  transform: translateX(-50%);
}
.mq-nav-toggle { display: none; }

/* 滚动 / 非透明页 导航：白底深字（未选中 #333 半透明，选中 #333 加粗不透明） */
.mq-nav.solid,
.mq-nav.always-solid {
  background: #fff;
  box-shadow: 0 2px 20px rgba(19,45,76,.06);
}
.mq-nav.solid .brand img,
.mq-nav.always-solid .brand img { filter: none; }
.mq-nav.solid .mq-menu a,
.mq-nav.always-solid .mq-menu a { color: var(--text-1); opacity: .5; }
.mq-nav.solid .mq-menu a:hover,
.mq-nav.always-solid .mq-menu a:hover { opacity: 1; }
.mq-nav.solid .mq-menu a.active,
.mq-nav.always-solid .mq-menu a.active { opacity: 1; }

/* =========================================================
   页脚
   ========================================================= */
.mq-footer {
  background: var(--cyan);
  min-height: 158px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mq-footer .inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
  color: var(--text-1);
  font-size: 16px;
  font-weight: 500;
  padding: 24px 40px;
  text-align: center;
}
.mq-footer .sep { width: 1px; height: 22px; background: var(--text-1); opacity: .5; }
.mq-footer a:hover { text-decoration: underline; }

/* =========================================================
   通用区块 / 内页 hero
   ========================================================= */
.mq-page-hero {
  padding: 150px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, #e0f1ff 0%, #ffffff 100%);
}
.mq-section { padding: 80px 0; }

/* 简单淡入动画（仅在 JS 就绪后隐藏，避免无 JS 时内容不可见） */
.mq-js .mq-fade { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.mq-js .mq-fade.in { opacity: 1; transform: none; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1200px) {
  .mq-heading { font-size: 42px; }
}
@media (max-width: 992px) {
  .mq-menu { gap: 28px; }
  .mq-menu a { font-size: 16px; }
}
@media (max-width: 768px) {
  .mq-container { padding: 0 20px; }
  .mq-nav { height: 64px; }
  .mq-nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px;
  }
  .mq-nav-toggle span { width: 26px; height: 2px; background: #fff; transition: background .3s; }
  .mq-nav.solid .mq-nav-toggle span,
  .mq-nav.always-solid .mq-nav-toggle span { background: var(--text-1); }
  .mq-menu {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    box-shadow: 0 10px 24px rgba(0,0,0,.1);
    transform: translateY(-8px);
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .mq-menu.open { opacity: 1; transform: none; pointer-events: auto; }
  .mq-menu a { color: var(--text-1) !important; width: 100%; text-align: center; padding: 14px 0; }
  .mq-menu a.active::after { display: none; }
  .mq-heading { font-size: 30px; }
  .mq-section { padding: 48px 0; }
  .mq-page-hero { padding: 100px 0 40px; }
}