/* ═══════════════════════════════════════════════════════
   泡泡怪獸 × MISO — 黑金奢華設計系統 v3.0
   適用全站所有頁面
═══════════════════════════════════════════════════════ */

/* ─── CSS 變數 ─── */
:root {
  --black:     #080808;
  --dark:      #0f0f0f;
  --card:      #161616;
  --card2:     #1c1c1c;
  --border:    #282828;
  --border-lt: #363636;
  --gold:      #c8a84b;
  --gold-lt:   #e8c87a;
  --gold-dk:   #8a6f28;
  --gold-grad: linear-gradient(135deg, #e8c87a 0%, #c8a84b 40%, #8a6f28 100%);
  --gold-grad2:linear-gradient(90deg, #c8a84b, #e8c87a, #c8a84b);
  --line-green:#06c755;
  --text:      #f0f0f0;
  --sub:       #999999;
  --muted:     #555555;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 8px 40px rgba(0,0,0,0.7);
  --shadow-gold: 0 0 30px rgba(200,168,75,0.25);
  --nav-h:     60px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ─── Reset ─── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  background: var(--black);
  color: var(--text);
  font-family: 'Noto Sans TC', 'Helvetica Neue', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display:block; max-width:100%; height:auto; }
a { color:inherit; text-decoration:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
ul, ol { list-style:none; }

/* ─── 導覽列 ─── */
.nav {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  height: var(--nav-h);
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(200,168,75,0.2);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4%;
  transition: var(--transition);
}
.nav.scrolled { background: rgba(8,8,8,0.98); }

.nav-brand {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem; font-weight: 900;
  color: var(--gold);
  letter-spacing: 1px;
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-brand img { width:36px; height:36px; border-radius:50%; border:1px solid var(--gold-dk); }
.nav-brand span { font-size:0.75rem; color:var(--sub); font-weight:400; }

.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-links a {
  font-size: 0.82rem; font-weight: 500;
  color: var(--sub); padding: 6px 12px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold); background: rgba(200,168,75,0.1);
}

.nav-cta {
  background: var(--gold-grad);
  color: #000 !important; font-weight: 700 !important;
  padding: 7px 16px !important;
  border-radius: 6px !important;
}
.nav-cta:hover { box-shadow: var(--shadow-gold); transform: translateY(-1px); }

.nav-menu-btn {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
  background: none; border: none;
}
.nav-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--gold); border-radius: 2px;
  transition: var(--transition);
}

/* 手機選單 */
.nav-mobile {
  display: none;
  position: fixed; top: var(--nav-h); left:0; right:0; z-index:999;
  background: rgba(8,8,8,0.98);
  border-bottom: 1px solid var(--border);
  padding: 16px;
  flex-direction: column; gap: 2px;
}
.nav-mobile.open { display:flex; }
.nav-mobile a {
  color: var(--sub); font-size:0.9rem; padding: 10px 16px;
  border-radius: 8px; transition: var(--transition);
}
.nav-mobile a:hover { color:var(--gold); background:rgba(200,168,75,0.08); }
.nav-mobile .nav-cta { color:#000 !important; }

/* ─── 頁面主體留白 ─── */
main, .page-body { padding-top: var(--nav-h); }

/* ─── Hero 區塊 ─── */
.hero {
  min-height: 88vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 80px 5% 60px;
  text-align: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 40%, rgba(200,168,75,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(200,168,75,0.04) 0%, transparent 60%);
}
.hero-bg img {
  width:100%; height:100%; object-fit:cover; opacity:0.18;
}
.hero-content { position:relative; z-index:1; max-width:900px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap:8px;
  font-size: 0.75rem; font-weight:700; letter-spacing:3px;
  color: var(--gold); text-transform: uppercase;
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid rgba(200,168,75,0.3);
  border-radius: 20px;
  background: rgba(200,168,75,0.06);
}
.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; line-height: 1.2;
  margin-bottom: 20px;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title em {
  font-style: normal;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--sub); max-width: 680px; margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-badges {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: 40px;
}
.hero-badge {
  padding: 5px 14px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 600;
  border: 1px solid rgba(200,168,75,0.3);
  color: var(--gold-lt); background: rgba(200,168,75,0.08);
}
.hero-ctas {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px;
}

/* ─── 按鈕系統 ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 700;
  transition: var(--transition);
  cursor: pointer; border: none;
  text-decoration: none; white-space: nowrap;
}
.btn-gold {
  background: var(--gold-grad);
  color: #000; box-shadow: 0 4px 20px rgba(200,168,75,0.3);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,168,75,0.5); }

.btn-shopee {
  background: linear-gradient(135deg, #ee4d2d 0%, #c0392b 100%);
  color: #fff; box-shadow: 0 4px 20px rgba(238,77,45,0.3);
}
.btn-shopee:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(238,77,45,0.5); }

.btn-line {
  background: var(--line-green);
  color: #fff; box-shadow: 0 4px 20px rgba(6,199,85,0.3);
}
.btn-line:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(6,199,85,0.5); }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}
.btn-outline:hover { background: rgba(200,168,75,0.1); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text); border: 1px solid var(--border-lt);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--gold); }

.btn-dark {
  background: var(--card2); color: var(--text);
  border: 1px solid var(--border-lt);
}
.btn-dark:hover { border-color: var(--gold); color: var(--gold); }

.btn-sm { padding: 9px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-block { width:100%; justify-content:center; }

/* ─── 區塊容器 ─── */
.section {
  padding: 80px 5%;
}
.section-sm { padding: 50px 5%; }
.section-lg { padding: 100px 5%; }
.container { max-width: 1200px; margin: 0 auto; }
.container-sm { max-width: 800px; margin: 0 auto; }

/* ─── 區塊標題 ─── */
.section-label {
  font-size: 0.72rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gold); font-weight: 700;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.section-label::before, .section-label::after {
  content: ''; flex:1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dk), transparent);
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 900; line-height: 1.25;
  margin-bottom: 16px;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  font-size: 0.95rem; color: var(--sub); line-height: 1.8;
  max-width: 640px;
}
.section-header {
  text-align: center; margin-bottom: 56px;
}
.section-header .section-label { justify-content: center; }
.section-header .section-sub { margin: 0 auto; }

/* ─── 分隔線 ─── */
.divider {
  height: 1px; margin: 0;
  background: linear-gradient(90deg, transparent, var(--gold-dk) 30%, var(--gold) 50%, var(--gold-dk) 70%, transparent);
  opacity: 0.4;
}
.divider-section {
  height: 1px;
  background: var(--border);
}

/* ─── 卡片 ─── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.card::before {
  content: '';
  position: absolute; top:0; left:0; right:0; height: 2px;
  background: var(--gold-grad2);
  opacity: 0; transition: var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-dk);
  box-shadow: var(--shadow), var(--shadow-gold);
}
.card:hover::before { opacity: 1; }

.card-img {
  width: 100%; aspect-ratio: 4/3;
  object-fit: cover; display: block;
}
.card-body { padding: 24px; }
.card-label {
  font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 10px;
}
.card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem; font-weight: 800;
  color: var(--text); margin-bottom: 10px;
  line-height: 1.3;
}
.card-desc { font-size: 0.88rem; color: var(--sub); line-height: 1.7; }
.card-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:14px; }
.tag {
  padding: 3px 10px; border-radius: 12px;
  font-size: 0.72rem; font-weight: 600;
  background: rgba(200,168,75,0.1);
  border: 1px solid rgba(200,168,75,0.25);
  color: var(--gold-lt);
}
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 10px;
}

/* ─── 產品網格 ─── */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.grid-auto { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:24px; }

/* ─── 特色區塊 ─── */
.feature-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center;
}
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }

.feature-img {
  border-radius: var(--radius-lg);
  overflow: hidden; position: relative;
}
.feature-img img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-img:hover img { transform: scale(1.04); }
.feature-img::after {
  content: '';
  position: absolute; inset: 0;
  border: 1px solid rgba(200,168,75,0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.feature-text h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem; font-weight: 900;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 16px;
}
.feature-text p { color: var(--sub); line-height: 1.8; margin-bottom: 14px; }

/* ─── 特點列表 ─── */
.check-list { list-style: none; }
.check-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 0.92rem; color: var(--sub); line-height: 1.6;
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: '✦'; color: var(--gold); flex-shrink: 0; margin-top:2px;
  font-size: 0.8rem;
}
.check-list li strong { color: var(--text); margin-right: 4px; }

/* ─── 數字統計 ─── */
.stats-bar {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
  gap: 2px; margin: 40px 0;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-item {
  padding: 28px 20px; text-align: center;
  background: var(--card);
  border-right: 1px solid var(--border);
  transition: var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--card2); }
.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem; font-weight: 900;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.8rem; color: var(--sub); }

/* ─── 圖片牆 ─── */
.img-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 12px;
}
.img-gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.img-gallery-item img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  transition: transform 0.4s ease;
}
.img-gallery-item:hover { border-color: var(--gold-dk); box-shadow: var(--shadow-gold); }
.img-gallery-item:hover img { transform: scale(1.06); }

/* ─── 步驟卡 ─── */
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 20px;
}
.step-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  position: relative; transition: var(--transition);
}
.step-card:hover { border-color: var(--gold-dk); transform: translateY(-4px); }
.step-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem; font-weight: 900; line-height:1;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 12px;
}
.step-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 0.85rem; color: var(--sub); line-height: 1.6; }

/* ─── 警告/提示橫幅 ─── */
.alert {
  padding: 16px 22px; border-radius: var(--radius);
  display: flex; gap: 14px; align-items: flex-start;
  margin: 20px 0;
}
.alert-gold {
  background: rgba(200,168,75,0.08);
  border: 1px solid rgba(200,168,75,0.3);
  color: var(--gold-lt);
}
.alert-danger {
  background: rgba(208,64,64,0.08);
  border: 1px solid rgba(208,64,64,0.3);
  color: #f08080;
}
.alert-info {
  background: rgba(100,160,255,0.08);
  border: 1px solid rgba(100,160,255,0.3);
  color: #a0c4ff;
}
.alert-icon { font-size: 1.2rem; flex-shrink:0; margin-top:1px; }
.alert-text h4 { font-weight:700; margin-bottom:4px; font-size:0.9rem; }
.alert-text p { font-size:0.85rem; opacity:0.9; line-height:1.6; }

/* ─── FAQ 手風琴 ─── */
.faq-item {
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-q {
  padding: 20px 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); user-select: none;
}
.faq-q:hover { color: var(--gold); }
.faq-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  border: 1px solid var(--border-lt); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 1.1rem; transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(200,168,75,0.1); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
  font-size: 0.9rem; color: var(--sub); line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 800px; }
.faq-a-inner { padding: 0 0 20px; }

/* ─── Tab 切換 ─── */
.tabs {
  display: flex; flex-wrap: wrap; gap: 6px;
  border-bottom: 1px solid var(--border); margin-bottom: 40px;
  padding-bottom: 1px;
}
.tab-btn {
  padding: 10px 22px; border-radius: 8px 8px 0 0;
  font-size: 0.88rem; font-weight: 600;
  color: var(--sub); background: transparent;
  border: 1px solid transparent; border-bottom: none;
  cursor: pointer; transition: var(--transition);
  position: relative; bottom: -1px;
}
.tab-btn:hover { color: var(--gold); }
.tab-btn.active {
  color: var(--gold); background: var(--card);
  border-color: var(--border); border-bottom-color: var(--card);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── 側邊欄布局 ─── */
.sidebar-layout {
  display: grid; grid-template-columns: 260px 1fr; gap: 40px;
  align-items: start;
}
.sidebar {
  position: sticky; top: calc(var(--nav-h) + 20px);
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
}
.sidebar-title {
  font-size: 0.72rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.sidebar a {
  display: block; padding: 10px 12px; border-radius: 8px;
  font-size: 0.88rem; color: var(--sub); transition: var(--transition);
}
.sidebar a:hover, .sidebar a.active { color: var(--gold); background: rgba(200,168,75,0.08); }

/* ─── CTA 橫幅 ─── */
.cta-banner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 50px 5%; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(200,168,75,0.07), transparent);
}
.cta-banner > * { position: relative; }
.cta-banner h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem,3vw,2rem); font-weight:900;
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 12px;
}
.cta-banner p { color: var(--sub); margin-bottom: 28px; line-height:1.8; }
.cta-banner-btns { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; }

/* ─── 三入口區 ─── */
.entry-section {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
  margin: 40px 0;
}
.entry-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 30px 24px;
  text-align: center; transition: var(--transition);
  cursor: pointer; display: flex; flex-direction: column; gap: 14px;
}
.entry-card:hover {
  transform: translateY(-6px); border-color: var(--gold-dk);
  box-shadow: var(--shadow), var(--shadow-gold);
}
.entry-icon {
  width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin: 0 auto;
  background: rgba(200,168,75,0.1); border: 1px solid rgba(200,168,75,0.2);
}
.entry-title {
  font-family: 'Montserrat', sans-serif; font-weight:800; font-size:0.95rem;
  color: var(--text);
}
.entry-desc { font-size:0.82rem; color:var(--sub); line-height:1.6; }

/* ─── 浮動快捷鍵 ─── */
.float-btns {
  position: fixed; right: 20px; bottom: 100px; z-index: 900;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; text-decoration: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.float-btn:hover { transform: scale(1.12) translateX(-4px); }
.float-shopee { background: #ee4d2d; color: #fff; border-color: rgba(255,255,255,0.2); }
.float-line   { background: var(--line-green); color: #fff; }
.float-whatsapp { background: #25d366; color: #fff; }
.float-back-top {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(200,168,75,0.15); border: 1px solid var(--gold-dk);
  color: var(--gold); font-size: 1rem;
  display: none; align-items: center; justify-content: center;
  position: fixed; right: 24px; bottom: 32px; z-index: 900;
  cursor: pointer; transition: var(--transition);
}
.float-back-top.show { display: flex; }
.float-back-top:hover { background: rgba(200,168,75,0.25); }

/* ─── 頁尾 ─── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 50px 5% 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem; font-weight:900; color: var(--gold); margin-bottom:10px;
}
.footer-brand p { font-size:0.83rem; color:var(--sub); line-height:1.8; }
.footer-col h4 {
  font-size: 0.78rem; letter-spacing:2px; text-transform:uppercase;
  color: var(--gold); margin-bottom:14px; font-weight:700;
}
.footer-col a {
  display: block; font-size:0.85rem; color:var(--sub); padding:4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top:20px;
  display:flex; justify-content:space-between; align-items:center;
  font-size:0.78rem; color:var(--muted); flex-wrap:wrap; gap:10px;
}
.footer-bottom a { color:var(--muted); }
.footer-bottom a:hover { color:var(--gold); }

/* ─── 產品頁面特有 ─── */
.product-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; padding: 80px 5% 60px;
  max-width: 1200px; margin: 0 auto;
}
.product-gallery { position: relative; }
.product-gallery-main {
  border-radius: var(--radius-lg); overflow:hidden;
  border: 1px solid var(--border); margin-bottom:12px;
}
.product-gallery-main img {
  width:100%; aspect-ratio:1; object-fit:cover; display:block;
}
.product-gallery-thumbs {
  display: flex; gap:8px; flex-wrap:wrap;
}
.product-gallery-thumbs img {
  width: 68px; height:68px; object-fit:cover;
  border-radius:8px; border:1px solid var(--border);
  cursor:pointer; transition:var(--transition); opacity:0.65;
}
.product-gallery-thumbs img.active,
.product-gallery-thumbs img:hover { border-color:var(--gold); opacity:1; }

.product-info {}
.product-tags { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:18px; }
.product-name {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight:900;
  margin-bottom: 16px; line-height:1.25;
}
.product-name span {
  background: var(--gold-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.product-desc { font-size:0.92rem; color:var(--sub); line-height:1.8; margin-bottom:24px; }
.product-features { margin-bottom:28px; }
.product-ctas { display:flex; flex-wrap:wrap; gap:12px; }

/* ─── 徽章/標籤 ─── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 700;
}
.badge-gold { background: rgba(200,168,75,0.15); color:var(--gold); border:1px solid rgba(200,168,75,0.3); }
.badge-red  { background: rgba(208,64,64,0.15); color:#f08080; border:1px solid rgba(208,64,64,0.3); }
.badge-green{ background: rgba(6,199,85,0.12); color:#4cde8a; border:1px solid rgba(6,199,85,0.25); }
.badge-blue { background: rgba(100,160,255,0.12); color:#8bb8ff; border:1px solid rgba(100,160,255,0.25); }

/* ─── 滾動動畫 ─── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity:1; transform:translateY(0); }
.fade-in {
  opacity: 0; transition: opacity 0.5s ease;
}
.fade-in.visible { opacity:1; }

/* ─── 對比表格 ─── */
.compare-table {
  width: 100%; border-collapse: collapse; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
}
.compare-table th {
  background: var(--card2); color: var(--gold);
  padding: 14px 18px; font-size:0.85rem; text-align:center; font-weight:700;
  border-bottom: 1px solid var(--border);
}
.compare-table td {
  padding: 12px 18px; font-size:0.88rem; text-align:center;
  border-bottom: 1px solid var(--border); color: var(--sub);
}
.compare-table tr:last-child td { border-bottom:none; }
.compare-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.compare-table .check { color: #4cde8a; }
.compare-table .cross { color: #f08080; }
.compare-table .highlight td { color: var(--text); background: rgba(200,168,75,0.05) !important; }
.compare-table .highlight td:first-child { color: var(--gold); font-weight:700; }

/* ─── 通知 Toast ─── */
.toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--card2); border: 1px solid var(--gold-dk);
  color: var(--gold-lt); padding: 12px 24px; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 600;
  opacity: 0; transition: all 0.3s ease; z-index: 9999; pointer-events: none;
  white-space: nowrap;
}
.toast.show { opacity:1; transform: translateX(-50%) translateY(0); }

/* ─── 版本標籤 ─── */
.v-tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 1px;
  background: rgba(200,168,75,0.15); color: var(--gold);
  border: 1px solid rgba(200,168,75,0.25); vertical-align: middle;
  margin-left: 6px;
}

/* ─── 載入指示 ─── */
.loader {
  display: flex; justify-content: center; padding: 40px;
}
.loader-ring {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── 響應式 ─── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sidebar-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .nav-links, .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .feature-block, .feature-block.reverse { grid-template-columns: 1fr; direction:ltr; gap:30px; }
  .product-hero { grid-template-columns: 1fr; gap: 30px; }
  .entry-section { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 55px 5%; }
  .hero { padding: 60px 5% 40px; min-height:75vh; }
  .stats-bar { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; }
  .btn { padding: 11px 20px; font-size: 0.85rem; }
  .float-btns { right: 14px; bottom: 80px; }
  .float-btn { width: 46px; height: 46px; font-size: 1.15rem; }
}

/* ─── 印刷媒體 ─── */
@media print { .nav, .float-btns, .float-back-top, footer { display:none; } }