/* ========== 基礎 ========== */
	*{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 */
	body{
	  background:#000 url(https://www.dell.com/community/assets/community/687062f5-603c-4f5f-ab9d-31aa7cacb376/LP_BG-23360bd3-b29d-499d-adad-fd5341279255-1866600421.png) center top/cover no-repeat fixed;
	  color:#fff; font-family:sans-serif;
	  padding-top:var(--topbar-h);
	}

	/* 內文錨點避免被頂欄蓋住 */
	section,[id]{ scroll-margin-top: calc(var(--topbar-h) + 12px); }

	/* ========== Topbar（固定；暗紅底 + 金邊 + 火光） ========== */
	.topbar{
	  position:fixed; top:0; left:0; right:0; height:var(--topbar-h);
	  z-index:9999; display:flex; align-items:center; justify-content:flex-end; gap:36px; padding-right:20px;
	  overflow:hidden; isolation:isolate;
	  background:
		url('https://www.dell.com/community/assets/community/687062f5-603c-4f5f-ab9d-31aa7cacb376/-0ef04a6e-b39a-415c-9739-824e956f29c3-1475827.jpg') center/cover no-repeat,
		linear-gradient(180deg,#5a0c0c 0%, #2a0a0a 100%) !important;
	  border-top:2px solid rgba(213,169,90,.9);
	  border-bottom:2px solid rgba(213,169,90,.9);
	  box-shadow:0 8px 20px rgba(0,0,0,.55);
	}

	/* 火光覆蓋層（在最底） */
	.topbar::after{
	  content:"";
	  position:absolute; inset:0;
	  pointer-events:none; z-index:0;
	  background: url('https://www.dell.com/community/assets/community/687062f5-603c-4f5f-ab9d-31aa7cacb376/_Transparentbackgroundglowingo-76dd9a20-5bc5-4451-91d7-37243dd11391-854986543.jpg') center/cover repeat;
	  opacity:0.45;
	  animation: flicker 2s infinite alternate;
	}
	@keyframes flicker {
	  from { opacity:0.3; transform:scale(1); }
	  to   { opacity:0.6; transform:scale(1.05); }
	}

	/* 導覽項（圖片版） */
	.navbar-img{ position:relative; z-index:6; }
	.navbar-img a{ position:relative; display:inline-flex; align-items:center; justify-content:center; text-decoration:none; }
	.navbar-img a img{ height:32px; object-fit:contain; filter:drop-shadow(0 1px 0 #000); }

	/* 導覽 Hover：金色發光 + 微縮放 */
	.navbar-img a img{
	  transition: transform .18s ease, filter .18s ease, opacity .18s ease, box-shadow .18s ease;
	}
	.navbar-img a:hover img{
	  transform: translateY(-1px) scale(1.04);
	  filter: drop-shadow(0 0 6px rgba(255,220,140,.65)) brightness(1.08) contrast(1.05);
	}

	/* 手機：顯示文字 + 點按發光 */
	@media (max-width:767.98px){
	  .navbar-img a img{ display:none; }
	  .navbar-img a::after{
		content:attr(data-label);
		color:#ffe9b0; font-weight:900; font-size:20px;
		text-shadow:0 2px 0 #000,0 0 6px rgba(0,0,0,.6),0 0 12px rgba(213,169,90,.5);
		letter-spacing:.06em; padding:6px 10px; border-radius:6px;
		transition: filter .18s ease, text-shadow .18s ease, transform .18s ease;
	  }
	  .navbar-img a:active::after
		  /* 桌機與手機：僅顯示文字版本 */
	.navbar-img a img {
	  display: none !important; /* 不再顯示圖片 */
	}

	/* 改為顯示 data-label 文字 */
	.navbar-img a::after {
	  content: attr(data-label);
	  color: #ffe9b0;
	  font-weight: 900;
	  font-size: 20px;
	  text-shadow: 0 2px 0 #000,
				   0 0 6px rgba(0,0,0,.6),
				   0 0 12px rgba(213,169,90,.5);
	  letter-spacing: .06em;
	  padding: 6px 10px;
	  border-radius: 6px;
	  transition: filter .18s ease,
				  text-shadow .18s ease,
				  transform .18s ease;
	}

	/* hover／active 效果 */
	.navbar-img a:hover::after,
	.navbar-img a:active::after {
	  text-shadow:
		0 2px 0 #000,
		0 0 8px rgba(255,225,160,.8),
		0 0 16px rgba(213,169,90,.85);
	  transform: translateY(-1px) scale(1.04);
	  filter: saturate(1.1) brightness(1.06);
	}

	}

	/* ========== 無縫「往下飄」落葉（前景層） ========== */
	.falling-leaves{
	  position:absolute; inset:0;
	  pointer-events:none; z-index:5;
	  overflow:hidden;
	}
	.falling-leaves img{
	  position:absolute;
	  top:-30px;
	  width:44px; height:auto;
	  opacity:0;
	  animation: leaf-fall 12s linear infinite;
	  animation-fill-mode: both;
	  will-change: transform, opacity;
	}
	/* 每片葉子不同參數 */
	.falling-leaves img:nth-child(1){ left:12%; width:38px; animation-duration:12s; animation-delay:0s; }
	.falling-leaves img:nth-child(2){ left:28%; width:46px; animation-duration:14s; animation-delay:1.2s; }
	.falling-leaves img:nth-child(3){ left:46%; width:40px; animation-duration:16s; animation-delay:2.8s; }
	.falling-leaves img:nth-child(4){ left:63%; width:42px; animation-duration:13s; animation-delay:4.0s; }
	.falling-leaves img:nth-child(5){ left:77%; width:36px; animation-duration:15s; animation-delay:5.6s; }
	.falling-leaves img:nth-child(6){ left:88%; width:44px; animation-duration:17s; animation-delay:7.0s; }

	@keyframes leaf-fall{
	  0%   { transform: translateY(-60px) rotate(0deg);   opacity:0; }
	  8%   { opacity:1; }
	  48%  { transform: translateY(42vh) rotate(180deg);  opacity:1; }
	  92%  { transform: translateY(100vh) rotate(360deg); opacity:1; }
	  100% { transform: translateY(110vh) rotate(420deg); opacity:0; }
	}

	/* 如果系統要求減少動畫 → 不關掉葉子，顯示靜態 */
	@media (prefers-reduced-motion: reduce){
	  .falling-leaves img{
		animation: none !important;
		opacity: 1 !important;
		transform: translateY(40vh) !important;
	  }
	}

	/* ========== Hero 影片區 ========== */
	.video-container{
	  position: relative;
	  width: 100%;
	  margin-top: var(--topbar-h);
	  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){
	  .topbar{
		position: relative !important;
		top: auto; left: auto; right: auto;
	  }
	  body{ padding-top: 0 !important; }
	  .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 ========== */
	.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; }

	/* CTA 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 ========== */
	.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; }

	/* 圖片效果與放大 */
	#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，不暗不縮 */
	@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); }

	/* ========== 版身其他 ========== */
	.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 }
	/* =================== [A] Footer 還原（覆蓋其它改動） =================== */
	.landing-footer{ width:100%; background:#1e1416; 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; }

	/* 落葉容器：覆蓋在 topbar 背景上 */
	.falling-layer {
	  position: absolute;
	  inset: 0;
	  pointer-events: none;
	  z-index: 1; /* 在火光上、導覽下 */
	  overflow: hidden;
	}

	/* 單片葉子 */
	.falling-layer .leaf {
	  position: absolute;
	  top: -50px; /* 從上方進場 */
	  width: var(--size, 40px);
	  left: var(--x, 50%);
	  animation: leafFall var(--dur, 15s) linear infinite;
	  animation-delay: var(--delay, 0s);
	  opacity: 0;
	  filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
	}

	@keyframes leafFall {
	  0%   { transform: translateY(-50px) rotate(0deg);   opacity: 0; }
	  10%  { opacity: 1; }
	  90%  { transform: translateY(100vh) rotate(360deg); opacity: 1; }
	  100% { transform: translateY(110vh) rotate(420deg); opacity: 0; }
	}
	/* === 強制：所有裝置都用文字，隱藏圖片（放在整份 CSS 最後）=== */
	header.topbar .navbar-img a > img{
	  display: none !important;
	  visibility: hidden !important;
	  width: 0 !important;
	  height: 0 !important;
	  opacity: 0 !important;
	}

	/* 用 data-label 當文字（桌機也顯示） */
	header.topbar .navbar-img a::after{
	  content: attr(data-label);
	  color:#ffe9b0; font-weight:900; font-size:20px;
	  text-shadow:0 2px 0 #000,0 0 6px rgba(0,0,0,.6),0 0 12px rgba(213,169,90,.5);
	  letter-spacing:.06em; padding:6px 10px; border-radius:6px;
	  transition:filter .18s ease, text-shadow .18s ease, transform .18s ease;
	}

	/* hover/active 效果 */
	header.topbar .navbar-img a:hover::after,
	header.topbar .navbar-img a:active::after{
	  text-shadow:
		0 2px 0 #000,
		0 0 8px rgba(255,225,160,.8),
		0 0 16px rgba(213,169,90,.85);
	  transform: translateY(-1px) scale(1.04);
	  filter: saturate(1.1) brightness(1.06);
	}



/* ✅ 僅讓導航區內的連結在最上層可點（不改整個 topbar 定位） */
header.topbar .navbar-img {
  position: relative;
  z-index: 20; /* 保持比火光高一層即可 */
}
header.topbar .navbar-img a {
  position: relative;
  z-index: 21;
  pointer-events: auto;
}

/* ✅ 確保火花、落葉層不阻擋觸控，但不改 z-index */
header.topbar .fire-tiling,
header.topbar .falling-layer,
header.topbar::after {
  pointer-events: none !important;
}
/* === 導覽列：純文字版本（桌機＋手機共用）=== */
header.topbar .navbar-img .nav-item {
  display: inline-block;
  font-size: 20px;
  font-weight: 900;
  color: #ffe9b0; /* 明亮金色 */
  text-shadow:
    0 2px 0 #000,
    0 0 6px rgba(0,0,0,.6),
    0 0 12px rgba(213,169,90,.5);
  letter-spacing: .06em;
  padding: 6px 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: filter .18s ease, text-shadow .18s ease, transform .18s ease;
}

/* hover/active 效果 */
header.topbar .navbar-img .nav-item:hover,
header.topbar .navbar-img .nav-item:active {
  text-shadow:
    0 2px 0 #000,
    0 0 8px rgba(255,225,160,.8),
    0 0 16px rgba(213,169,90,.85);
  transform: translateY(-1px) scale(1.04);
  filter: saturate(1.1) brightness(1.06);
}
/* ✅ 修正：防止點擊後變色（訪問過也保持同色） */
header.topbar .navbar-img .nav-item,
header.topbar .navbar-img .nav-item:link,
header.topbar .navbar-img .nav-item:visited,
header.topbar .navbar-img .nav-item:focus,
header.topbar .navbar-img .nav-item:active {
  color: #ffe9b0 !important; /* 永遠保持金色 */
  text-decoration: none;
  background: none;
  outline: none;
}
/* ✅ 完全關閉點擊時的系統高亮與顏色變化 */
header.topbar .navbar-img .nav-item,
header.topbar .navbar-img .nav-item:link,
header.topbar .navbar-img .nav-item:visited,
header.topbar .navbar-img .nav-item:focus,
header.topbar .navbar-img .nav-item:active {
  color: #ffe9b0 !important;
  text-decoration: none !important;
  background: transparent !important;
  outline: none !important;
  -webkit-tap-highlight-color: transparent !important; /* 🔥 iPhone / Android 專用 */
  -webkit-focus-ring-color: transparent !important;
}

/* 手機 Chrome/Safari 有時會自動加選取藍底，這行會清除 */
header.topbar .navbar-img .nav-item::-moz-focus-inner {
  border: 0 !important;
}
/* === Topbar 導覽：強制單行、不換行（所有裝置） === */
header.topbar .navbar-img{
  display:flex !important;
  align-items:center !important;
  justify-content:flex-end !important;
  flex-wrap: nowrap !important;      /* 不允許換行 */
  white-space: nowrap !important;     /* 文字不換行 */
  gap: 24px !important;               /* 預設比原本 36px 更緊一點 */
  overflow: hidden;                   /* 超出寬度先隱藏（避免擠出兩行） */
}

header.topbar .navbar-img .nav-item{
  flex: 0 0 auto;                     /* 不要被壓縮到換行 */
  white-space: nowrap;                /* 單個連結也不換行 */
  padding: 4px 10px;                  /* 稍微收窄 padding */
  line-height: 1;                     /* 避免行高撐高 */
}

/* === 斷點縮排：窄螢幕自動更緊，仍保持單行 === */
@media (max-width: 1200px){
  header.topbar .navbar-img{ gap: 20px !important; }
}

@media (max-width: 992px){
  header.topbar .navbar-img{ gap: 16px !important; }
  header.topbar .navbar-img .nav-item{ padding: 4px 8px; }
}

@media (max-width: 768px){
  :root{ --topbar-h: 66px; }          /* 手機略降高度，留更多橫向空間 */
  header.topbar{ padding-right: 12px; }
  header.topbar .navbar-img{ gap: 12px !important; }
  header.topbar .navbar-img .nav-item{
    font-size: clamp(14px, 4.2vw, 18px);  /* 依螢幕縮字，但不小於 14px */
    padding: 4px 6px;
  }
}

/* 可選：再小更緊湊，依你需求開啟
@media (max-width: 360px){
  header.topbar .navbar-img{ gap: 8px !important; }
  header.topbar .navbar-img .nav-item{ font-size: 14px; padding: 3px 6px; }
}
*/