/* ========== 基礎重置 ========== */
	*{margin:0;padding:0;box-sizing:border-box}
	html,body{margin:0;padding:0}
	body>*:first-child{margin-top:0;padding-top:0}

	/* 變數 */
	:root{ --topbar-h:73px; --cardw:774px; --peek:90px; }
	@media (max-width:768px){ :root{ --topbar-h:90px; } }
	@media (max-width:1200px){ :root{ --peek:70px } }
	@media (max-width:768px){  :root{ --peek:0px } }

	/* 背景與字型（你的奇幻藍背景保留） */
	body{
	  background:#000 url(https://www.dell.com/community/assets/community/687062f5-603c-4f5f-ab9d-31aa7cacb376/4-0068116f-d813-4ff4-9a5f-de88d913f308-49498919.jpg)
			   center top/cover no-repeat fixed;
	  color:#fff; font-family:sans-serif;
	  padding-top:0;
	}

	/* 內文錨點 */
	section,[id]{ scroll-margin-top:12px; }

	/* ==================== Topbar（只保留玻璃藍，徹底移除紅黑） ==================== */
	/* 覆蓋所有狀態與可能的 class（如 .is-fixed / .is-visible） */
	header.topbar, .topbar,
	header.topbar.is-fixed, .topbar.is-fixed,
	header.topbar.is-visible, .topbar.is-visible{
	  position:relative;
	  height:var(--topbar-h);
	  z-index:9999;
	  display:flex; align-items:center; justify-content:center;
	  padding:0 20px;

	  /* ✅ 僅此背景：深藍→半透明藍玻璃感 */
	  background:linear-gradient(180deg, rgba(7,19,29,.92), rgba(7,19,29,.55)) !important;
	  background-image:none !important;
	  background-blend-mode:normal !important;
	  mix-blend-mode:normal !important;
	  filter:none !important; -webkit-filter:none !important;
	  backdrop-filter:saturate(1.2) blur(14px) !important;
	  -webkit-backdrop-filter:saturate(1.2) blur(14px) !important;

	  border-bottom:1px solid rgba(255,255,255,.08);
	  box-shadow:0 8px 20px rgba(0,0,0,.35);
	  isolation:isolate;
	}

	/* 關閉所有覆蓋層／偽元素（紅黑來源常見於此） */
	header.topbar::before, header.topbar::after,
	.topbar::before, .topbar::after,
	header.topbar .fire-tiling, .topbar .fire-tiling,
	header.topbar #leaves, .topbar #leaves{
	  display:none !important; content:none !important;
	}

	/* 子孫若帶混色也清乾淨 */
	header.topbar *, .topbar *{ mix-blend-mode:normal !important; }

	/* 導覽（圖片/文字切換保留） */
	.navbar-img{
	  position:relative; z-index:2;
	  display:flex; align-items:center; gap:24px;
	}
	.navbar-img a{
	  display:inline-flex; align-items:center; justify-content:center;
	  text-decoration:none;
	}
	.navbar-img a img{
	  height:32px; object-fit:contain; display:block;
	  filter:drop-shadow(0 1px 2px #000);
	  transition:transform .2s ease, filter .2s ease, opacity .2s ease;
	}
	.navbar-img a:hover img{
	  transform:translateY(-1px) scale(1.05);
	  filter:
		drop-shadow(0 0 6px rgba(30,195,255,.65))
		drop-shadow(0 0 10px rgba(106,88,255,.35))
		brightness(1.08);
	}
	@media (max-width:767.98px){
	  .navbar-img a img{ display:none; }
	  .navbar-img a::after{
		content:attr(data-label);
		color:#eaf6ff; font-weight:800; font-size:18px; letter-spacing:.06em;
		text-shadow:0 2px 0 #000, 0 0 6px rgba(0,0,0,.6), 0 0 12px rgba(30,195,255,.4);
		transition:transform .18s ease, text-shadow .18s ease, opacity .18s ease;
	  }
	  .navbar-img a:hover::after{
		text-shadow:0 2px 0 #000, 0 0 10px rgba(30,195,255,.85), 0 0 18px rgba(106,88,255,.85);
		transform:translateY(-1px) scale(1.04);
	  }
	}

	/* ==================== Hero 影片區 ==================== */
	.video-container{ position:relative; width:100%; margin-top:0; overflow:hidden; }
	@media (min-width:768px){
	  .video-container{
		width:100vw; height:calc(250vh - var(--topbar-h));
		margin:0; margin-left:calc(50% - 50vw); overflow:hidden;
	  }
	  .video-container video{
		position:absolute; inset:0; width:100%; height:100%;
		object-fit:cover; object-position:center; display:block;
	  }
	}
	@media (max-width:767.98px){
	  .video-container{
		width:100% !important; margin:0 !important;
		height:100dvh !important; min-height:100dvh !important;
	  }
	  .video-container video{
		width:100% !important; height:100% !important;
		object-fit:cover; object-position:center; display:block;
	  }
	}

	/* ==================== CTA（旋轉圈與按鈕） ==================== */
	.cta-button{
	  position:absolute; left:50%; transform:translateX(-50%);
	  bottom:10px; z-index:1000; display:block;
	  width:clamp(200px, 42vw, 420px);
	  padding:0 !important; background:transparent !important; border:0 !important; box-shadow:none !important;
	  border-radius:16px; overflow:hidden;
	}
	.cta-anim{ position:relative; width:100%; aspect-ratio:1/1; }
	.layer{ position:absolute; inset:0; width:100%; height:100%; object-fit:contain; will-change:transform; }
	.label{ position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); width:90%; height:auto; }

	/* 旋轉動畫 */
	.spin-cw{ animation:spin-cw linear infinite; }
	.spin-ccw{ animation:spin-ccw linear infinite; }
	.fast{ animation-duration:4s; } .medium{ animation-duration:6s; } .slow{ animation-duration:8s; } .slower{ animation-duration:12s; }
	@keyframes spin-cw{ to{ transform:rotate(360deg); } }
	@keyframes spin-ccw{ to{ transform:rotate(-360deg); } }

	/* ==================== 輪播（Swiper） ==================== */
	.glider-contain{
	  position:relative; max-width:2400px; margin:0 auto;
	  padding:28px var(--peek); overflow:hidden;
	}
	#glider1{ --arrow-size:48px; --arrow-gap:16px; --cardw-actual:min(var(--cardw), 100%); }
	.glider-prev,.glider-next{
	  position:absolute; top:50%; transform:translateY(-50%);
	  width:48px; height:48px; background:transparent; border:0;
	  z-index:9; display:flex; align-items:center; justify-content:center; pointer-events:auto; cursor:pointer;
	}
	.glider-prev{ left:6px; } .glider-next{ right:6px; }
	.glider-prev img,.glider-next img{ width:100%; height:100%; object-fit:contain; pointer-events:none; }
	.arrow-left{ transform:rotate(180deg); }

	@media (min-width:768px){
	  .glider-prev,.glider-next{ top:50%; transform:translateY(-50%); width:var(--arrow-size); height:var(--arrow-size); left:auto; right:auto; }
	  .glider-prev{ left:calc(50% - (var(--cardw-actual)/2) - var(--arrow-gap) - var(--arrow-size)); }
	  .glider-next{ left:calc(50% + (var(--cardw-actual)/2) + var(--arrow-gap)); }
	}
	@media (max-width:767.98px){
	  .glider-prev{ left:6px; }
	  .glider-next{ right:6px; }
	}

	/* Swiper 容器 */
	#glider1.swiper{ width:100%; max-width:1200px; margin:0 auto; overflow:visible; }
	#glider1 .swiper-wrapper{ align-items:center; overflow:visible; }

	/* 卡片寬 */
	#glider1 .swiper-slide{
	  width:min(var(--cardw), 100%);
	  display:flex; align-items:center; justify-content:center;
	  position:relative; z-index:1;
	}
	#glider1 .swiper-slide-prev, #glider1 .swiper-slide-next{ z-index:3; }
	#glider1 .swiper-slide-active{ z-index:6; }

	/* 圖片效果（取消任何紅色濾鏡） */
	#glider1 .swiper-slide img{
	  width:100%; height:auto; border-radius:14px; object-fit:cover; display:block;
	  box-shadow:0 10px 24px rgba(0,0,0,.35);
	  transition:transform .28s ease, filter .28s ease, opacity .28s ease;
	  transform-origin:center bottom;
	  filter:brightness(.40) saturate(.85); opacity:.82; transform:scale(.92);
	}
	#glider1 .swiper-slide-prev img, #glider1 .swiper-slide-next img{
	  filter:brightness(.52) saturate(.9); opacity:.9; transform:scale(.96);
	}
	#glider1 .swiper-slide-active img{
	  filter:none !important; opacity:1 !important; transform:scale(1.10) !important;
	}

	/* 手機：單張鋪滿 */
	@media (max-width:767.98px){
	  .glider-contain{ padding:16px 0; }
	  #glider1 .swiper-slide{ width:100vw !important; }
	  #glider1 .swiper-slide img{
		width:100vw !important; height:auto !important;
		filter:none !important; opacity:1 !important; transform:none !important;
		transform-origin:center center !important;
	  }
	}

	/* ==================== Lightbox ==================== */
	.lightbox{ position:fixed; inset:0; display:none; place-items:center; background:rgba(0,0,0,.8); z-index:99999; padding:2vw; }
	.lightbox.open{ display:grid; }
	.lightbox img{ max-width:96vw; max-height:96vh; width:auto; height:auto; border-radius:14px; box-shadow:0 20px 60px rgba(0,0,0,.6); }

	/* ==================== 其他版身 ==================== */
	.full-width-img{ width:100% }
	.full-width-img img{ width:180vw; max-width:100%; height:auto; display:block }

	.anchor-offset{ position:relative; top:-80px; visibility:hidden; height:0 }

	.hero{ position:relative; margin-top:0; }
	.hero video{ width:100%; height:auto; display:block; }

	/* ==================== Footer（保留你的酒紅色，不動） ==================== */
	.landing-footer{
	  width:100%;
	  background:#1e1416; /* 你的原色：酒紅 */
	  padding:80px 16px 100px;
	  position:relative; overflow:hidden;
	}
	.landing-footer .wrap{
	  max-width:1500px; min-height:600px; margin:0 auto;
	  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:28px
	}
	.lf-icon{ width:108px; height:108px; border-radius:20px; object-fit:cover; box-shadow:0 6px 18px rgba(0,0,0,.35) }
	.lf-btns{ display:flex; gap:22px; flex-wrap:wrap; justify-content:center }
	.lf-legal{ max-width:760px; text-align:center; color:rgba(255,255,255,.7); line-height:1.8; font-size:14px; margin-top:10px }
	.lf-copy{ text-align:center; color:rgba(255,255,255,.65); margin-top:14px; font-size:13px }