/* 高級暗黑金系主題樣式表 - v2.1 (易讀性與 RWD 優化版) */
:root { --bg-deep: #050505; --bg-card: #111111; --bg-glass: rgba(17, 17, 17, 0.8); --gold-primary: #d4af37; --gold-light: #f4dfb4; --gold-dark: #8c6b2d; --bronze: #b08d57; --text-main: #ffffff; --text-muted: #d4cfc0; --highlight-orange: #ff9d00; --accent-glow: rgba(212, 175, 55, 0.2); --font-main: 'Noto Sans TC', sans-serif; --font-header: 'Oswald', sans-serif; --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); --border-metallic: linear-gradient(135deg, #d4af37, #8c6b2d, #f4dfb4, #8c6b2d); --grad-gold: linear-gradient(135deg, #d4af37, #8c6b2d); --fs-base: 1.1rem; --fs-h1: 3.5rem; --fs-h2: 2.5rem; --fs-h3: 1.8rem; }
body { background-color: var(--bg-deep); color: var(--text-main); font-family: var(--font-main); overflow-x: hidden; line-height: 1.8; font-size: var(--fs-base); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-primary); }
h1, h2, h3, h4, h5 { font-family: var(--font-header); letter-spacing: 2px; text-transform: uppercase; background: linear-gradient(to right, var(--gold-light), var(--gold-primary), var(--gold-dark)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; }
h1 { font-size: var(--fs-h1); } h2 { font-size: var(--fs-h2); } h3 { font-size: var(--fs-h3); }
.text-muted { color: var(--text-muted) !important; }
.highlight-orange { background: var(--highlight-orange); color: #000 !important; padding: 4px 15px; border-radius: 6px; font-weight: 700; box-shadow: 0 0 15px rgba(255, 157, 0, 0.3); display: inline-block; font-size: 1.2rem; }
.glass-card { background: var(--bg-glass); backdrop-filter: blur(12px); border: 1px solid rgba(212, 175, 55, 0.15); border-radius: 12px; transition: var(--transition-smooth); position: relative; overflow: hidden; display: flex; flex-direction: column; }
.glass-card:hover { border-color: var(--gold-primary); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--accent-glow); transform: translateY(-8px); }
.glass-card::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%); pointer-events: none; transition: var(--transition-smooth); }
.metallic-border { position: relative; padding: 1px; background: var(--border-metallic); border-radius: 4px; }
.metallic-content { background: var(--bg-card); padding: 25px; border-radius: 3px; }
.btn-gold { background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary), var(--gold-light)); color: #000; font-weight: 700; border: none; padding: 15px 40px; border-radius: 4px; text-transform: uppercase; letter-spacing: 2px; transition: var(--transition-smooth); position: relative; z-index: 1; display: inline-block; font-size: 1.1rem; }
.btn-gold:hover { color: #000; box-shadow: 0 0 25px rgba(212, 175, 55, 0.6); letter-spacing: 3px; }
.btn-gold-outline { background: transparent; border: 2px solid var(--gold-primary); color: var(--gold-primary); padding: 12px 30px; border-radius: 4px; text-transform: uppercase; letter-spacing: 1.5px; transition: var(--transition-smooth); display: inline-block; font-size: 1.1rem; font-weight: 600; }
.btn-gold-outline:hover { background: var(--gold-primary); color: #000; box-shadow: 0 0 20px var(--accent-glow); }
.navbar { background: rgba(5, 5, 5, 0.9); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(212, 175, 55, 0.2); padding: 15px 0; transition: var(--transition-smooth); }
.navbar-brand { font-size: 1.8rem; font-family: var(--font-header); font-weight: 700; background: linear-gradient(to right, #fff, var(--gold-primary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav-link { color: #ccc !important; font-size: 1.1rem; font-weight: 500; margin: 0 15px; letter-spacing: 1px; transition: var(--transition-smooth); }
.nav-link:hover, .nav-link.active { color: var(--gold-primary) !important; text-shadow: 0 0 10px var(--accent-glow); }
.hero-v2 { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; background: url('../img/dark_gold_tech_hero.png') no-repeat center center/cover; padding: 120px 0 80px; }
.hero-v2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 30%; background: linear-gradient(to top, var(--bg-deep), transparent); }
.hero-glow-box { text-align: left; z-index: 2; background: rgba(0, 0, 0, 0.5); padding: 50px; border-radius: 20px; backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, 0.1); }
.price-tag { font-family: var(--font-header); color: var(--gold-primary); font-size: 2.2rem; margin: 15px 0; font-weight: 700; }
.price-unit { font-size: 1.2rem; color: var(--text-muted); }
.product-card { padding: 40px 30px; height: 100%; }
.product-icon { font-size: 3rem; margin-bottom: 25px; color: var(--gold-primary); filter: drop-shadow(0 0 8px var(--accent-glow)); }
.product-list { list-style: none; padding: 0; margin: 25px 0; }
.product-list li { padding: 12px 0; color: var(--text-muted); border-bottom: 1px solid rgba(255, 255, 255, 0.05); font-size: 1.1rem; }
.product-list li i { color: var(--gold-primary); margin-right: 12px; }
.skill-tag { display: block; background: rgba(255,255,255,0.05); padding: 10px; border-radius: 6px; border: 1px solid rgba(212, 175, 55, 0.2); transition: all 0.3s; margin-bottom: 5px; font-size: 1.05rem; }
.skill-tag:hover { border-color: var(--gold-primary); background: rgba(212, 175, 55, 0.1); }
.py-100 { padding: 100px 0; }
.section-title { margin-bottom: 1.5rem; position: relative; display: inline-block; }
.section-title::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--grad-gold); border-radius: 3px; }
.footer-v2 { padding: 80px 0 40px; background: #000; border-top: 1px solid rgba(212, 175, 55, 0.1); }
.footer-links a { font-size: 1.1rem; }
/* 動畫延遲類名 (替換內聯 style) */
.delay-1 { animation-delay: 0.1s; } .delay-2 { animation-delay: 0.2s; } .delay-3 { animation-delay: 0.3s; }
.fade-up { opacity: 0; transform: translateY(30px); transition: var(--transition-smooth); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.shine { background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent); background-size: 200% 100%; animation: shimmer 3s infinite; }
/* RWD 修復 */
@media (max-width: 991px) { .hero-v2 { text-align: center; } .hero-glow-box { text-align: center; padding: 30px; } .hero-v2 h1 { font-size: 2.5rem; } .display-3 { font-size: 2.2rem; } .py-100 { padding: 60px 0; } .navbar-brand { font-size: 1.4rem; } }
@media (max-width: 768px) { .price-tag { font-size: 1.8rem; } .product-card { padding: 30px 20px; } body { font-size: 1rem; } .h-100 { height: auto !important; } }
@media (max-width: 576px) { .hero-v2 h1 { font-size: 2rem; } h2.section-title { font-size: 1.8rem; } .btn-gold, .btn-gold-outline { padding: 12px 20px; font-size: 1rem; } .glass-card { padding: 20px !important; } .mt-4 { margin-top: 1.5rem !important; } }