:root {
  --text: #fff;
  --bg: #363636;
  --red: #bd0404;
}

* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
  box-sizing: border-box;
}

body {
  background: var(--bg);
}


.video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  z-index: -1;
  transition: opacity 0.5s ease;
}

.hidden {
  opacity: 0;
  pointer-events: none;
}

.visible {
  opacity: 1;
}


.navber {
  width: 100%;
  height: 80px;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: space-around;
  align-items: center;
}


.navber > ul {
  display: flex;
  padding: 10px 20px;
  gap: 40px;
}


.navber li {
  position: relative;
}


.navber li > a {
  position: relative;
  color: var(--text);
  font-size: 1.2rem;
  padding: 5px 0;
  display: inline-block;
}

.logo1 {
  position: absolute;
  top: -20px;
  left: 50px;
 
}

.logo1 img {
  width: 120px;
}
.navber li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0%;
  height: 4px;
  background-color: var(--red);
  transition: width 0.3s ease;
}

.navber li > a:hover::after {
  width: 100%;
}


.navber li ul.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: rgba(0, 0, 0, 0.85);
  padding: 10px 0;
  flex-direction: column;
  z-index: 10;
  border-radius: 5px;
}


.navber li ul.submenu li a {
  display: block;
  padding: 10px 20px;
  color: #fff;
  font-size: 1rem;
}

.navber li ul.submenu li a:hover {
  background: var(--red);
}


.navber li:hover ul.submenu {
  display: flex;
}


.home {
  width: 100%;
  height: 975px;
  position: relative;
}

.logo {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo img {
  width: 600px;
}

.downloadbox {
  width: 100%;
  height:100px;
  background: rgba(0, 0, 0, 0.6);
  position: absolute;
  bottom: 0px;
  left: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 2;
}

.btn_download {
  color: #fff;
  font-size: 1.5rem;
}

.downloadbox p {
  font-size: 1.2rem;
}

.downloadfont {
  width: 200px;
  height:100px;
  background: linear-gradient(142deg, rgba(150, 12, 12, 1) 0%, rgba(253, 29, 29, 1) 74%, rgba(125, 12, 12, 1) 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.fb,
.bx {
  font-size: 3rem;
  color: #fff;
}

.bg_box {
  position: absolute;
  top: 200px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ads {
  position: fixed;
  top: 300px;
  right: 20px;
  width: 150px;
}

.ads img {
  width: 100%;
}
.menu-toggle {
  display: none;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
    position: absolute;
    right: 20px;
    top: 20px;
    z-index: 999;
  }

  .navber ul {
    display: none;  /* 預設隱藏 */
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
  }

  .navber ul.active {
    display: flex;  /* 點擊展開 */
    z-index: 1;
  }

  .navber li {
    text-align: center;
    width: 100%;
    padding: 0px 0;
    z-index: 1;
  }

  .navber li ul.submenu {
    position: relative;
    background: rgba(0, 0, 0, 0.85);
  }

  .navber li.has-submenu > a::after {
    content: ' ▼';
    font-size: 0.7em;
    
  }
  .navber li.has-submenu.open ul.submenu {
    display: block;
  }
}
@media (max-width: 500px){
  .logo {
    position: absolute;
    top: 40%;
    
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .logo img {
    width: 300px;
  }
  .ads {
    position: fixed;
    top: 300px;
    right: 20px;
    width: 80px;
  }
  .home {
    width: 100%;
    height: 762px;
    position: relative;
  }
}
.site-footer {
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  color: #ccc;
  text-align: center;
  padding: 20px 10px;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}