*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft JhengHei","PingFang SC","Inter","Roboto",sans-serif;line-height:1.6;color:#1B1B3B;background:#fff}
a{text-decoration:none;color:inherit;transition:color .3s}
a:hover{color:#6D4AFF}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.header{background:#1B1B3B;color:#fff;padding:15px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.1)}
.header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:700;color:#6D4AFF}
.logo span{color:#fff}
.nav{display:flex;align-items:center;gap:25px}
.nav a{color:#fff;font-size:15px;font-weight:500}
.nav a:hover{color:#6D4AFF}
.lang-switch{display:flex;gap:5px}
.lang-switch a{padding:5px 12px;border:1px solid #6D4AFF;border-radius:4px;font-size:13px;color:#6D4AFF}
.lang-switch a.active,.lang-switch a:hover{background:#6D4AFF;color:#fff}
/* Hero */
.hero{background:linear-gradient(135deg,#1B1B3B 0%,#6D4AFF 100%);color:#fff;padding:80px 0;text-align:center}
.hero h1{font-size:48px;margin-bottom:20px;font-weight:800}
.hero p{font-size:20px;margin-bottom:30px;opacity:.9;max-width:700px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;transition:all .3s}
.btn-primary{background:#6D4AFF;color:#fff}
.btn-primary:hover{background:#5a3ee0;color:#fff;transform:translateY(-2px)}
.btn-outline{border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:#1B1B3B}
/* Sections */
.section{padding:70px 0}
.section-title{text-align:center;font-size:36px;margin-bottom:15px;color:#1B1B3B}
.section-subtitle{text-align:center;font-size:18px;color:#666;margin-bottom:50px;max-width:700px;margin-left:auto;margin-right:auto}
/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.feature-card{background:#f8f9ff;border-radius:12px;padding:35px 25px;text-align:center;transition:all .3s;border:1px solid #e8e8f0}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(109,74,255,.1)}
.feature-icon{width:60px;height:60px;background:#6D4AFF;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#fff;font-size:24px}
.feature-card h3{font-size:20px;margin-bottom:12px;color:#1B1B3B}
.feature-card p{color:#666;font-size:15px}
/* Products */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.product-card{background:#fff;border-radius:12px;padding:30px;border:2px solid #e8e8f0;text-align:center;transition:all .3s}
.product-card:hover{border-color:#6D4AFF;box-shadow:0 10px 30px rgba(109,74,255,.1)}
.product-card.popular{border-color:#6D4AFF;position:relative}
.product-card.popular::before{content:"最受欢迎";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#6D4AFF;color:#fff;padding:4px 16px;border-radius:20px;font-size:12px}
.product-card h3{font-size:22px;margin-bottom:10px}
.product-price{font-size:36px;font-weight:800;color:#6D4AFF;margin:15px 0}
.product-price span{font-size:16px;color:#999;font-weight:400}
.product-features{list-style:none;margin:20px 0;text-align:left}
.product-features li{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px;color:#555}
.product-features li::before{content:"✓";color:#24B47E;font-weight:700;margin-right:10px}
/* FAQ */
.faq-categories{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.faq-cat-btn{padding:10px 24px;border:2px solid #6D4AFF;border-radius:25px;color:#6D4AFF;font-weight:600;cursor:pointer;transition:all .3s;background:transparent;font-size:14px}
.faq-cat-btn:hover,.faq-cat-btn.active{background:#6D4AFF;color:#fff}
.faq-section{margin-bottom:40px}
.faq-section h3{font-size:24px;color:#1B1B3B;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #6D4AFF}
.faq-item{background:#f8f9ff;border-radius:8px;margin-bottom:15px;overflow:hidden;border:1px solid #e8e8f0}
.faq-question{padding:18px 25px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-answer{padding:0 25px 20px;color:#555;font-size:15px;line-height:1.8}
.faq-answer ol{padding-left:20px;margin-top:10px}
.faq-answer ol li{margin-bottom:8px}
/* Blog */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}
.blog-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid #e8e8f0;transition:all .3s}
.blog-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.blog-card img{width:100%;height:200px;object-fit:cover}
.blog-card-content{padding:25px}
.blog-card-meta{display:flex;gap:15px;font-size:13px;color:#999;margin-bottom:10px}
.blog-card h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.blog-card p{color:#666;font-size:14px;line-height:1.6}
.blog-card .read-more{display:inline-block;margin-top:15px;color:#6D4AFF;font-weight:600;font-size:14px}
/* Article */
.article-header{background:#f8f9ff;padding:40px 0;margin-bottom:40px}
.article-header h1{font-size:36px;margin-bottom:15px;line-height:1.3}
.article-meta{display:flex;gap:20px;color:#999;font-size:14px;flex-wrap:wrap}
.article-content{max-width:800px;margin:0 auto;font-size:16px;line-height:1.8;color:#333}
.article-content h2{font-size:24px;margin:30px 0 15px;color:#1B1B3B}
.article-content h3{font-size:20px;margin:25px 0 12px;color:#1B1B3B}
.article-content p{margin-bottom:15px}
.article-content img{border-radius:8px;margin:20px 0}
.article-content ul,.article-content ol{margin:15px 0;padding-left:25px}
.article-content li{margin-bottom:8px}
/* Breadcrumb */
.breadcrumb{padding:15px 0;font-size:14px;color:#999}
.breadcrumb a{color:#6D4AFF}
.breadcrumb span{margin:0 8px}
/* Comments */
.comments-section{margin-top:50px;padding-top:30px;border-top:2px solid #e8e8f0}
.comments-section h3{font-size:22px;margin-bottom:20px}
.comment-count{color:#6D4AFF;font-weight:600}
/* Footer */
.footer{background:#1B1B3B;color:#fff;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{font-size:16px;margin-bottom:15px;color:#6D4AFF}
.footer-col a{display:block;color:#ccc;padding:5px 0;font-size:14px}
.footer-col a:hover{color:#6D4AFF}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #333;color:#999;font-size:13px}
/* Responsive */
@media(max-width:768px){
.hero h1{font-size:32px}
.hero p{font-size:16px}
.section-title{font-size:28px}
.nav{display:none}
.blog-grid{grid-template-columns:1fr}
}
/* Language Toggle */
.lang-en{display:none}
body.en .lang-zh{display:none}
body.en .lang-en{display:block}
body.en .lang-zh-inline{display:none}
body.en .lang-en-inline{display:inline}
.lang-en-inline{display:none}
.lang-zh-inline{display:inline}
body.en .lang-en-inline{display:inline}
body.en .lang-zh-inline{display:none}
/* Table */
.compare-table{width:100%;border-collapse:collapse;margin:30px 0}
.compare-table th,.compare-table td{padding:12px 15px;text-align:left;border-bottom:1px solid #e8e8f0}
.compare-table th{background:#f8f9ff;font-weight:600;color:#1B1B3B}
.compare-table tr:hover{background:#f8f9ff}
/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;text-align:center}
.stat-item h3{font-size:42px;color:#6D4AFF;font-weight:800}
.stat-item p{color:#666;font-size:16px;margin-top:5px}