* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Microsoft YaHei", sans-serif; }

body { background-color: #f5f5f5; color: #333; line-height: 1.6; }

.container { max-width: 1200px; margin: 0 auto; padding: 10px 20px; }

header { text-align: center; margin-bottom: 40px; }

h1 { font-size: 36px; color: #333; margin-bottom: 10px; }

.subtitle { font-size: 18px; color: #666; }

.plans-container { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }

.plan-card { background: white; border-radius: 12px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); width: 220px; padding: 25px; text-align: center; transition: transform 0.3s, box-shadow 0.3s; position: relative; overflow: hidden; }

.plan-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); }

.plan-card.popular { border: 2px solid #ff9800; transform: scale(1.05); }

.plan-card.popular:hover { transform: scale(1.05) translateY(-5px); }

.popular-tag { position: absolute; top: 10px; right: -30px; background: #ff9800; color: white; padding: 5px 30px; transform: rotate(45deg); font-size: 12px; font-weight: bold; }

.free-tag { position: absolute; top: 10px; right: -30px; background: #4caf50; color: white; padding: 5px 30px; transform: rotate(45deg); font-size: 12px; font-weight: bold; }

.plan-name { font-size: 20px; font-weight: bold; margin-bottom: 15px; color: #333; }

.plan-price { font-size: 32px; font-weight: bold; color: #ff5722; margin-bottom: 5px; }

.plan-price small { font-size: 16px; font-weight: normal; }

.original-price { text-decoration: line-through; color: #999; font-size: 16px; margin-bottom: 5px; }

.saving { color: #4caf50; font-size: 14px; margin-bottom: 20px; }

.plan-features { list-style: none; margin-bottom: 25px; text-align: left; }

.plan-features li { margin-bottom: 8px; font-size: 14px; position: relative; padding-left: 20px; }

.plan-features li:before { content: "✓"; color: #4caf50; position: absolute; left: 0; }

.btn { display: inline-block; padding: 12px 24px; background: #ff5722; color: white; border: none; border-radius: 6px; font-size: 16px; font-weight: bold; cursor: pointer; transition: background 0.3s; text-decoration: none; width: 100%; }

.btn:hover { background: #e64a19; }

.btn-free { background: #4caf50; }

.btn-free:hover { background: #388e3c; }

.promo-banner { background: linear-gradient(135deg, #ff9800, #ff5722); color: white; padding: 20px; border-radius: 12px; text-align: center; margin-bottom: 40px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); }

.promo-title { font-size: 24px; font-weight: bold; margin-bottom: 10px; }

.promo-description { font-size: 16px; margin-bottom: 15px; }

.countdown { font-size: 18px; font-weight: bold; color: #fff; background: rgba(0, 0, 0, 0.2); display: inline-block; padding: 5px 15px; border-radius: 20px; }

.benefits { background: white; border-radius: 12px; padding: 30px; margin-bottom: 40px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); }

.benefits h2 { text-align: center; margin-bottom: 20px; font-size: 24px; }

.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }

.benefit-item { display: flex; align-items: flex-start; }

.benefit-icon { background: #ff5722; color: white; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-right: 15px; flex-shrink: 0; }

.benefit-content h3 { font-size: 18px; margin-bottom: 5px; }

.benefit-content p { font-size: 14px; color: #666; }

.faq { background: white; border-radius: 12px; padding: 30px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); }

.faq h2 { text-align: center; margin-bottom: 20px; font-size: 24px; }

.faq-item { margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 20px; }

.faq-item:last-child { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }

.faq-question { font-size: 18px; font-weight: bold; margin-bottom: 10px; color: #333; }

.faq-answer { font-size: 16px; color: #666; }

footer { text-align: center; margin-top: 40px; color: #999; font-size: 14px; }

.vip-features-common { background: #f9f9f9; border-radius: 8px; padding: 20px; margin-bottom: 30px; border: 1px solid #eee; }

.vip-features-title { text-align: center; font-size: 20px; font-weight: bold; margin-bottom: 15px; color: #ff5722; }

.vip-features-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; }

.vip-feature-item { display: flex; align-items: center; }

.vip-feature-icon { color: #4caf50; margin-right: 10px; font-size: 18px; }