/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans TC','Noto Sans JP','Segoe UI',Roboto,Arial,sans-serif;line-height:1.7;color:#333;background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:#1B5E20;text-decoration:none;transition:color .2s}
a:hover{color:#2E7D32}
ul,ol{padding-left:1.2em}

/* ===== UTILITIES ===== */
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.text-center{text-align:center}
.mt-1{margin-top:0.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-1{margin-bottom:0.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}

/* ===== HEADER ===== */
.site-header{background:#fff;border-bottom:2px solid #E8F5E9;position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-link{display:flex;align-items:center;gap:8px}
.logo-link img{height:40px;width:auto}
.logo-text{font-size:1.1rem;font-weight:700;color:#1B5E20;line-height:1.2}
.logo-text small{display:block;font-size:.7rem;color:#666;font-weight:400}

/* NAV */
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:6px 10px;border-radius:6px;font-size:.85rem;font-weight:500;color:#333;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:#E8F5E9;color:#1B5E20}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;padding:4px 8px;color:#333}

/* LANG SWITCHER */
.lang-switcher{position:relative;margin-left:8px}
.lang-btn{background:#E8F5E9;border:1px solid #C8E6C9;padding:5px 12px;border-radius:6px;font-size:.8rem;cursor:pointer;font-weight:600;color:#1B5E20;display:flex;align-items:center;gap:4px}
.lang-btn::after{content:'▾';font-size:.7rem}
.lang-dropdown{display:none;position:absolute;right:0;top:100%;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.1);overflow:hidden;min-width:140px;z-index:100}
.lang-switcher{padding-bottom:6px;margin-bottom:-6px}
.lang-switcher:hover .lang-dropdown,.lang-switcher:focus-within .lang-dropdown{display:block}
.lang-dropdown a{display:block;padding:8px 14px;font-size:.82rem;color:#333;border-bottom:1px solid #f0f0f0}
.lang-dropdown a:last-child{border:none}
.lang-dropdown a:hover{background:#E8F5E9;color:#1B5E20}
.lang-dropdown a.active-lang{font-weight:700;color:#1B5E20;background:#f1f8e9}

/* HEADER CTA */
.header-cta{background:#FF6F00;color:#fff!important;padding:8px 16px;border-radius:8px;font-weight:700;font-size:.85rem;white-space:nowrap;transition:background .2s}
.header-cta:hover{background:#E65100;color:#fff!important}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,#1B5E20 0%,#2E7D32 40%,#43A047 100%);color:#fff;padding:50px 0 40px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:60%;height:200%;background:radial-gradient(ellipse,rgba(255,255,255,.08) 0%,transparent 70%);pointer-events:none}
.hero-inner{display:flex;gap:40px;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}
.hero-content{flex:1;min-width:0}
.hero h1{font-size:2.2rem;font-weight:800;margin-bottom:12px;line-height:1.25}
.hero .subtitle{font-size:1.1rem;opacity:.92;margin-bottom:20px;line-height:1.6}
.hero-cta{display:inline-block;background:#FF6F00;color:#fff;padding:14px 32px;border-radius:10px;font-size:1.05rem;font-weight:700;transition:all .2s;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.hero-cta:hover{background:#E65100;transform:translateY(-2px);color:#fff;box-shadow:0 6px 16px rgba(0,0,0,.3)}
.hero-widget{flex:0 0 380px;background:rgba(255,255,255,.1);border-radius:16px;padding:16px;backdrop-filter:blur(4px)}
.hero-disclaimer{font-size:.7rem;opacity:.6;margin-top:12px;cursor:help;border-bottom:1px dotted rgba(255,255,255,.4);display:inline-block}
.hero-disclaimer:hover{opacity:1}
.disclaimer-tooltip{display:none;position:absolute;background:#fff;color:#333;padding:12px 16px;border-radius:8px;font-size:.75rem;max-width:320px;box-shadow:0 4px 16px rgba(0,0,0,.2);z-index:10;line-height:1.5}
.hero-disclaimer:hover .disclaimer-tooltip{display:block}

/* ===== SECTIONS ===== */
.section{padding:50px 0}
.section:nth-child(even){background:#F9FBF7}
.section-title{font-size:1.7rem;font-weight:700;color:#1B5E20;margin-bottom:8px}
.section-subtitle{color:#666;margin-bottom:30px;font-size:1rem}

/* ===== CARDS ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s;border:1px solid #E8F5E9}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.card-img{height:180px;overflow:hidden;background:#e0e0e0}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:20px}
.card-body h3{font-size:1.1rem;margin-bottom:8px;color:#1B5E20}
.card-body p{font-size:.9rem;color:#555;margin-bottom:12px}
.card-link{color:#FF6F00;font-weight:600;font-size:.85rem}
.card-link:hover{color:#E65100}

/* ===== TABLE ===== */
.info-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.9rem}
.info-table th,.info-table td{padding:12px 16px;text-align:left;border-bottom:1px solid #E8F5E9}
.info-table th{background:#F1F8E9;color:#1B5E20;font-weight:600;white-space:nowrap}
.info-table tr:hover td{background:#FAFFF5}
.info-table .price{font-weight:700;color:#E65100;font-size:1rem}
.source-note{font-size:.75rem;color:#999;margin-top:6px;font-style:italic}

/* ===== FAQ / ACCORDION ===== */
.faq-item{border:1px solid #E8F5E9;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-question{width:100%;background:#F9FBF7;border:none;padding:16px 20px;text-align:left;font-size:.95rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#333;transition:background .2s}
.faq-question:hover{background:#F1F8E9}
.faq-question::after{content:'+';font-size:1.2rem;font-weight:700;color:#2E7D32;transition:transform .2s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-answer{padding:0 20px 16px;max-height:600px}

/* ===== CTA BANNER ===== */
.cta-banner{background:linear-gradient(135deg,#FF6F00,#FF8F00);color:#fff;padding:40px;border-radius:16px;text-align:center;margin:30px 0}
.cta-banner h2{font-size:1.5rem;margin-bottom:10px}
.cta-banner p{margin-bottom:20px;opacity:.92}
.cta-banner .btn{display:inline-block;background:#fff;color:#FF6F00;padding:12px 28px;border-radius:10px;font-weight:700;transition:all .2s}
.cta-banner .btn:hover{background:#FFF3E0;transform:translateY(-2px)}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:12px 0;font-size:.8rem;color:#888}
.breadcrumb a{color:#2E7D32}
.breadcrumb span{margin:0 6px}

/* ===== EXPERT TIP ===== */
.expert-tip{background:#FFF8E1;border-left:4px solid #FFB300;padding:16px 20px;border-radius:0 10px 10px 0;margin:20px 0}
.expert-tip strong{color:#E65100;display:block;margin-bottom:4px}
.expert-tip p{font-size:.9rem;color:#555;margin:0}

/* ===== FOOTER ===== */
.site-footer{background:#1B3A1B;color:#C8E6C9;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.footer-col a{display:block;color:#A5D6A7;font-size:.85rem;padding:3px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:.82rem;line-height:1.6}
.footer-disclaimer{max-width:1200px;margin:30px auto 0;padding:20px 20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.72rem;color:#81C784;line-height:1.6}
.footer-disclaimer strong{color:#A5D6A7}
.footer-bottom{max-width:1200px;margin:16px auto 0;padding:12px 20px 0;border-top:1px solid rgba(255,255,255,.06);font-size:.7rem;color:#6B9E6B;text-align:center}

/* ===== WIDGET ===== */
.klk-widget-wrap{min-height:200px}

/* ===== TOC (in-page) ===== */
.toc{background:#F1F8E9;border-radius:10px;padding:20px 24px;margin:20px 0}
.toc h3{font-size:1rem;color:#1B5E20;margin-bottom:10px}
.toc ol{counter-reset:toc;list-style:none;padding:0}
.toc li{counter-increment:toc;padding:4px 0}
.toc li::before{content:counter(toc) '.';color:#2E7D32;font-weight:700;margin-right:8px}
.toc a{color:#333;font-size:.88rem}
.toc a:hover{color:#1B5E20}

/* ===== ARTICLE CONTENT ===== */
.article-content h2{font-size:1.45rem;color:#1B5E20;margin:32px 0 12px;padding-bottom:8px;border-bottom:2px solid #E8F5E9}
.article-content h3{font-size:1.15rem;color:#2E7D32;margin:24px 0 8px}
.article-content p{margin-bottom:16px;max-width:75ch}
.article-content ul,.article-content ol{margin-bottom:16px}
.article-content li{margin-bottom:6px;font-size:.92rem}
.article-content img{border-radius:12px;margin:20px 0;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.article-content blockquote{border-left:4px solid #C8E6C9;padding:12px 20px;margin:20px 0;background:#F9FBF7;border-radius:0 8px 8px 0;font-style:italic;color:#555}

/* ===== COMPARISON TABLE ===== */
.compare-table{overflow-x:auto;margin:20px 0}
.compare-table table{width:100%;min-width:500px}
.compare-table .highlight{background:#FFF8E1;font-weight:600}
.compare-table .recommended{position:relative}
.compare-table .recommended::after{content:'推薦';position:absolute;top:-10px;right:10px;background:#FF6F00;color:#fff;font-size:.65rem;padding:2px 8px;border-radius:4px}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .hero-inner{flex-direction:column;text-align:center}
  .hero-widget{flex:none;width:100%;max-width:400px}
  .hero h1{font-size:1.8rem}
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}

@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px 20px;border-bottom:2px solid #E8F5E9;box-shadow:0 4px 12px rgba(0,0,0,.08)}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0;border-bottom:1px solid #f0f0f0;font-size:.95rem}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .hero{padding:30px 0}
  .hero h1{font-size:1.5rem}
  .section{padding:30px 0}
  .section-title{font-size:1.3rem}
  .cta-banner{padding:24px 16px;border-radius:12px}
  .cta-banner h2{font-size:1.2rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .info-table{font-size:.82rem}
  .info-table th,.info-table td{padding:8px 10px}
  .article-content h2{font-size:1.25rem}
}

@media(max-width:480px){
  .header-inner{padding:8px 12px}
  .logo-text{font-size:.95rem}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.3rem}
  .hero .subtitle{font-size:.9rem}
  .info-table th,.info-table td{padding:6px 8px;font-size:.78rem}
}

/* ===== PRINT ===== */
@media print{
  .site-header,.site-footer,.cta-banner,.hero-widget,.klk-widget-wrap{display:none}
  body{font-size:12pt;color:#000}
  .article-content h2{border-bottom-color:#000}
}