*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei','PingFang SC',Inter,Roboto,sans-serif;line-height:1.6;color:#1C1B22;background:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{background:#1C1B22;color:#fff;padding:15px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
nav{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:24px;font-weight:bold;color:#6D4AFF;text-decoration:none}
.nav-links{display:flex;gap:30px;list-style:none;align-items:center}
.nav-links a{color:#fff;text-decoration:none;transition:color 0.3s}
.nav-links a:hover{color:#6D4AFF}
.lang-switch{background:#6D4AFF;color:#fff;padding:8px 16px;border-radius:5px;text-decoration:none;font-size:14px}
.hero{background:linear-gradient(135deg,#6D4AFF 0%,#1C1B22 100%);color:#fff;padding:100px 0;text-align:center}
.hero h1{font-size:48px;margin-bottom:20px}
.hero p{font-size:20px;margin-bottom:30px;opacity:0.9}
.btn{display:inline-block;padding:15px 40px;background:#6D4AFF;color:#fff;text-decoration:none;border-radius:5px;font-size:18px;transition:all 0.3s;border:none;cursor:pointer}
.btn:hover{background:#5a3fe0;transform:translateY(-2px);box-shadow:0 5px 15px rgba(109,74,255,0.3)}
.btn-secondary{background:#24CC7A}
.btn-secondary:hover{background:#1fb86a}
.features{padding:80px 0;background:#f8f9fa}
.features h2{text-align:center;font-size:36px;margin-bottom:50px;color:#1C1B22}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.feature-card{background:#fff;padding:30px;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,0.08);transition:transform 0.3s}
.feature-card:hover{transform:translateY(-5px)}
.feature-icon{font-size:48px;color:#6D4AFF;margin-bottom:20px}
.feature-card h3{font-size:24px;margin-bottom:15px;color:#1C1B22}
.feature-card p{color:#666;line-height:1.8}
.pricing{padding:80px 0}
.pricing h2{text-align:center;font-size:36px;margin-bottom:50px}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.pricing-card{background:#fff;border:2px solid #e0e0e0;border-radius:10px;padding:40px 30px;text-align:center;transition:all 0.3s}
.pricing-card:hover{border-color:#6D4AFF;transform:translateY(-5px)}
.pricing-card.featured{border-color:#6D4AFF;position:relative}
.pricing-card.featured::before{content:'推荐';position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:#6D4AFF;color:#fff;padding:5px 20px;border-radius:20px;font-size:14px}
.pricing-card h3{font-size:24px;margin-bottom:10px}
.price{font-size:48px;color:#6D4AFF;margin:20px 0}
.price span{font-size:16px;color:#666}
.pricing-features{list-style:none;margin:30px 0;text-align:left}
.pricing-features li{padding:10px 0;border-bottom:1px solid #f0f0f0}
.pricing-features li:before{content:'✓';color:#24CC7A;margin-right:10px;font-weight:bold}
.testimonials{padding:80px 0;background:#f8f9fa}
.testimonials h2{text-align:center;font-size:36px;margin-bottom:50px}
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.testimonial-card{background:#fff;padding:30px;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,0.08)}
.testimonial-card p{font-style:italic;color:#666;margin-bottom:20px;line-height:1.8}
.testimonial-author{display:flex;align-items:center}
.testimonial-author img{width:50px;height:50px;border-radius:50%;margin-right:15px}
.testimonial-author h4{font-size:16px;margin-bottom:5px}
.testimonial-author span{color:#999;font-size:14px}
.faq{padding:80px 0}
.faq h2{text-align:center;font-size:36px;margin-bottom:50px}
.faq-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:50px}
.faq-category{background:#fff;padding:25px;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,0.08);text-decoration:none;color:#1C1B22;transition:all 0.3s;display:block}
.faq-category:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,0.15)}
.faq-category h3{color:#6D4AFF;margin-bottom:10px;font-size:20px}
.faq-category p{color:#666;font-size:14px}
.blog{padding:80px 0;background:#f8f9fa}
.blog h2{text-align:center;font-size:36px;margin-bottom:50px}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.blog-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,0.08);transition:transform 0.3s}
.blog-card:hover{transform:translateY(-5px)}
.blog-card img{width:100%;height:200px;object-fit:cover}
.blog-content{padding:25px}
.blog-meta{color:#999;font-size:14px;margin-bottom:10px}
.blog-card h3{font-size:20px;margin-bottom:15px;color:#1C1B22}
.blog-card p{color:#666;line-height:1.8;margin-bottom:15px}
.blog-card a{color:#6D4AFF;text-decoration:none;font-weight:bold}
footer{background:#1C1B22;color:#fff;padding:50px 0 20px}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:30px}
.footer-section h3{margin-bottom:20px;color:#6D4AFF}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:10px}
.footer-section a{color:#ccc;text-decoration:none;transition:color 0.3s}
.footer-section a:hover{color:#6D4AFF}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #333;color:#999}
.breadcrumb{background:#f8f9fa;padding:15px 0;border-bottom:1px solid #e0e0e0}
.breadcrumb ol{list-style:none;display:flex;gap:10px;align-items:center}
.breadcrumb li:before{content:'/';margin-right:10px;color:#999}
.breadcrumb li:first-child:before{content:'';margin:0}
.breadcrumb a{color:#6D4AFF;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.article{padding:50px 0}
.article-header{margin-bottom:40px}
.article-header h1{font-size:36px;margin-bottom:15px;line-height:1.3}
.article-meta{color:#999;font-size:14px;display:flex;gap:20px;flex-wrap:wrap}
.article-content{line-height:1.8;font-size:16px}
.article-content h2{font-size:28px;margin:30px 0 15px;color:#1C1B22}
.article-content h3{font-size:22px;margin:25px 0 12px;color:#1C1B22}
.article-content p{margin-bottom:20px;color:#333}
.article-content img{max-width:100%;height:auto;border-radius:10px;margin:20px 0}
.article-content ul,.article-content ol{margin:20px 0;padding-left:30px}
.article-content li{margin-bottom:10px}
.article-content blockquote{border-left:4px solid #6D4AFF;padding:15px 20px;margin:20px 0;background:#f8f9fa;font-style:italic}
.article-content code{background:#f0f0f0;padding:2px 8px;border-radius:3px;font-family:monospace}
.article-content pre{background:#1C1B22;color:#fff;padding:20px;border-radius:10px;overflow-x:auto;margin:20px 0}
.article-content pre code{background:transparent;color:inherit}
.faq-page{padding:50px 0}
.faq-page h1{font-size:36px;margin-bottom:30px;text-align:center}
.faq-item{background:#fff;padding:30px;margin-bottom:20px;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,0.08)}
.faq-item h3{color:#6D4AFF;margin-bottom:15px;font-size:22px}
.faq-answer{color:#333;line-height:1.8}
.faq-answer ol{margin:15px 0;padding-left:30px}
.faq-answer li{margin-bottom:12px}
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;font-weight:bold;color:#1C1B22}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:5px;font-size:16px;transition:border-color 0.3s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#6D4AFF}
.form-group textarea{min-height:150px;resize:vertical}
.table{width:100%;border-collapse:collapse;margin:20px 0}
.table th,.table td{padding:15px;text-align:left;border-bottom:1px solid #e0e0e0}
.table th{background:#f8f9fa;font-weight:bold;color:#1C1B22}
.table tr:hover{background:#f8f9fa}
@media(max-width:768px){
.hero h1{font-size:32px}
.hero p{font-size:16px}
.nav-links{gap:15px}
.features h2,.pricing h2,.testimonials h2,.faq h2,.blog h2{font-size:28px}
.feature-grid,.pricing-grid,.testimonial-grid,.blog-grid{grid-template-columns:1fr}
.footer-content{grid-template-columns:1fr}
}