body{margin:0;padding:0;background:#ffffff;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;color:#1f1f1f}
.btn-outline{background:#007aff;color:#fff;border:none}
.btn-outline:hover{background:#0066cc}
#app{max-width:620px;margin:0 auto;padding:32px 20px 50px}
.title{font-size:32px;font-weight:700;letter-spacing:-0.5px;color:#111;margin-bottom:6px}
.subtitle{font-size:15px;color:#6a6a6a;line-height:1.6;margin-bottom:28px}
.card{background:#2e75ef;border-radius:14px;padding:20px;margin-bottom:30px;border:1px solid #94b4f5}
.card ul{margin:0;padding:0;list-style:none;color:#ffffff;line-height:26px}
.card li{font-size:15px;padding-left:14px;position:relative}
.card li::before{content:"";position:absolute;width:6px;height:6px;background:#ff770c;border-radius:50%;left:0;top:10px}
.btn{width:100%;padding:14px 0;border-radius:10px;font-size:16px;font-weight:600;border:none;text-align:center;cursor:pointer;margin-bottom:14px;transition:all .15s ease}
.btn-primary{background:#007aff;color:#fff}
.btn-primary:hover{background:#0066cc}
.btn-secondary{background:#007aff;border:1px solid #d4d6da;color:#ffffff}
.btn-secondary:hover{background:#007aff}
.btn-ghost{background:transparent;border:1px solid #c8cdd3;color:#007aff}
.btn-ghost:hover{background:rgba(0,122,255,0.07)}
.footer-img{width:100%;border-radius:14px;margin-top:20px;box-shadow:0 12px 22px rgba(0,0,0,0.08)}