.page-ban-ca{color:#1F2D3D;background:#F4F7FB;font-family:Arial,Helvetica,sans-serif;line-height:1.7}
.page-ban-ca__container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;box-sizing:border-box}
.page-ban-ca__hero-section{padding-top:10px;margin-top:0;width:100%}
.page-ban-ca__hero-inner{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;box-sizing:border-box}
.page-ban-ca__hero-image{width:100%;max-width:1200px;margin:0 auto}
.page-ban-ca__hero-img{width:100%;height:auto;display:block;border-radius:16px;border:1px solid #D6E2FF;box-shadow:0 8px 24px rgba(47,107,255,0.15)}
.page-ban-ca__hero-content{margin-top:24px;text-align:center}
.page-ban-ca__main-title{color:#1F2D3D;font-weight:800;line-height:1.25;letter-spacing:0.2px;margin:0 0 16px}
.page-ban-ca__hero-desc{color:#1F2D3D;font-size:17px;max-width:820px;margin:0 auto 24px}
.page-ban-ca__hero-actions,.page-ban-ca__intro-actions,.page-ban-ca__tips-actions,.page-ban-ca__cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:16px}
.page-ban-ca__btn{display:inline-block;padding:14px 28px;border-radius:10px;font-weight:700;text-decoration:none;text-align:center;box-sizing:border-box;max-width:100%;white-space:normal;word-wrap:break-word;transition:transform 0.2s ease,box-shadow 0.2s ease}
.page-ban-ca__btn--primary{background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#FFFFFF;border:2px solid transparent;box-shadow:0 4px 14px rgba(47,107,255,0.35)}
.page-ban-ca__btn--secondary{background:#FFFFFF;color:#2F6BFF;border:2px solid #2F6BFF}
.page-ban-ca__intro-section,.page-ban-ca__features-section,.page-ban-ca__types-section,.page-ban-ca__guide-section,.page-ban-ca__tips-section,.page-ban-ca__game-section,.page-ban-ca__faq-section,.page-ban-ca__cta-section{padding:48px 0}
.page-ban-ca__section-title{color:#2F6BFF;font-weight:800;margin:0 0 20px;line-height:1.3}
.page-ban-ca__text{color:#1F2D3D;font-size:16px;margin:0 0 16px}
.page-ban-ca__list{list-style:none;padding:0;margin:0 0 16px}
.page-ban-ca__list-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:10px;padding:14px 18px;margin-bottom:12px;color:#1F2D3D}
.page-ban-ca__features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.page-ban-ca__feature-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(47,107,255,0.08)}
.page-ban-ca__feature-title{color:#2F6BFF;font-weight:700;margin:0 0 10px;line-height:1.35}
.page-ban-ca__feature-text{color:#1F2D3D;margin:0;font-size:15px}
.page-ban-ca__steps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.page-ban-ca__step{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:24px;position:relative;box-shadow:0 4px 16px rgba(47,107,255,0.08)}
.page-ban-ca__step-number{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#FFFFFF;font-weight:800;margin-bottom:12px}
.page-ban-ca__step-title{color:#2F6BFF;font-weight:700;margin:0 0 8px;line-height:1.35}
.page-ban-ca__step-text{color:#1F2D3D;margin:0;font-size:15px}
.page-ban-ca__tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.page-ban-ca__tip-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(47,107,255,0.08)}
.page-ban-ca__tip-title{color:#2F6BFF;font-weight:700;margin:0 0 10px;line-height:1.35}
.page-ban-ca__tip-text{color:#1F2D3D;margin:0;font-size:15px}
.page-ban-ca__game-frame-wrap{position:relative;width:100%;max-width:100%;padding-top:56.25%;border-radius:16px;overflow:hidden;border:1px solid #D6E2FF;background:#FFFFFF;box-shadow:0 8px 24px rgba(47,107,255,0.15)}
.page-ban-ca__game-frame{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.page-ban-ca__faq-list{display:flex;flex-direction:column;gap:12px}
.page-ban-ca__faq-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;padding:16px 20px}
.page-ban-ca__faq-question{color:#1F2D3D;font-weight:700;cursor:pointer;list-style:none;outline:none}
.page-ban-ca__faq-answer{color:#1F2D3D;margin:12px 0 0;font-size:15px}
.page-ban-ca__cta-section{text-align:center}
.page-ban-ca__cta-title{color:#2F6BFF;font-weight:800;margin:0 0 12px;line-height:1.3}
.page-ban-ca__cta-text{color:#1F2D3D;font-size:16px;max-width:800px;margin:0 auto 8px}
.page-ban-ca img{max-width:100%;height:auto}
@media (max-width:768px){
.page-ban-ca{font-size:16px;line-height:1.6;max-width:100%;overflow-x:hidden}
.page-ban-ca__hero-inner,.page-ban-ca__container{padding:0 12px}
.page-ban-ca__hero-content{margin-top:16px}
.page-ban-ca__section-title{font-size:22px}
.page-ban-ca__features-grid,.page-ban-ca__steps,.page-ban-ca__tips-grid{grid-template-columns:1fr}
.page-ban-ca__feature-card,.page-ban-ca__step,.page-ban-ca__tip-card{padding:18px;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.page-ban-ca__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}
.page-ban-ca__hero-actions,.page-ban-ca__intro-actions,.page-ban-ca__tips-actions,.page-ban-ca__cta-actions{width:100%;max-width:100%;overflow:hidden;box-sizing:border-box;flex-direction:column}
.page-ban-ca__game-frame-wrap{padding-top:60%}
.page-ban-ca img{max-width:100%!important;height:auto!important}
}