/* 创课坊知识主题：付费文章下载区与弹窗样式 */
.ckf-pending-payment{position:fixed;top:146px;top:max(146px,env(safe-area-inset-top));right:12px;z-index:530;display:flex;flex-direction:column;align-items:center;gap:4px;width:48px;padding:9px 3px;border:0;border-radius:8px;background:#ea5798;color:#fff;box-shadow:0 3px 12px rgba(0,0,0,.16);font-family:inherit;font-size:12px;line-height:1.3;cursor:pointer}.ckf-pending-payment[hidden]{display:none!important}.ckf-pending-payment svg{display:block;width:22px;height:22px}.ckf-pending-payment__time{font-variant-numeric:tabular-nums;font-size:12px}.ckf-pending-payment:hover{background:#db488a}.ckf-pending-payment:focus-visible{outline:2px solid #fff;outline-offset:3px}@media(max-height:420px){.ckf-pending-payment{top:76px}}
.ckf-pay-box{margin:0 0 24px;display:grid;grid-template-columns:minmax(280px,38%) minmax(0,1fr);overflow:hidden;background:#fff;border:1px solid #f0f1f3;border-radius:12px;box-shadow:0 4px 18px rgba(23,33,43,.06)}
.ckf-pay-box__media{position:relative;min-height:260px;background:#eef1f5;overflow:hidden}
.ckf-pay-box__cover{display:block;width:100%;height:100%;min-height:260px;object-fit:cover}
.ckf-pay-box__placeholder{display:grid;place-items:center;width:100%;height:100%;min-height:260px;background:linear-gradient(135deg,#eef0ff,#f8f8ff);color:#5541a8;font-size:54px}
.ckf-pay-box__label{position:absolute;top:0;left:0;z-index:1;padding:5px 12px;background:#ff7383;color:#fff;border-radius:0 0 8px 0;font-size:13px;font-weight:700;line-height:1.5}
.ckf-pay-box__content{display:flex;flex-direction:column;min-width:0;padding:20px 22px 16px}
.ckf-pay-box__title{display:block;overflow:hidden;color:#4b535a;font-size:16px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}
.ckf-pay-box__desc{margin:18px 0;color:#999;font-size:14px}
.ckf-pay-box__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.ckf-pay-box__tag{display:inline-block;padding:5px 14px;border-radius:999px;background:#f7dfb6;color:#9c6b24;font-size:13px;font-weight:700}
.ckf-pay-box__price{color:#e5484d;font-weight:800;font-size:18px}
.ckf-pay-box__btn{width:100%;margin-top:auto;border:0;border-radius:7px;background:#f3cf8d;color:#a86f1e;font-weight:700;font-size:15px;padding:11px 20px;cursor:pointer;transition:opacity .2s}
.ckf-pay-box__btn:hover{opacity:.88}
.ckf-pay-box__btn:disabled{opacity:.6;cursor:default}
.ckf-pay-modal{position:fixed;inset:0;z-index:9999;display:none}
.ckf-pay-modal.is-open{display:block}
.ckf-pay-modal__mask{position:absolute;inset:0;background:rgba(15,23,42,.5)}
.ckf-pay-modal__panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);box-sizing:border-box;width:min(400px,calc(100% - 24px));max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#fff;border-radius:16px;padding:30px 28px;text-align:center;box-shadow:0 20px 60px rgba(15,23,42,.25)}
.ckf-pay-modal__close{position:absolute;top:10px;right:14px;border:0;background:transparent;font-size:24px;color:#9aa4b2;cursor:pointer;line-height:1;caret-color:transparent;user-select:none}
.ckf-pay-modal__title{font-size:20px;font-weight:800;margin:0 0 10px}
.ckf-pay-modal__price{font-size:34px;font-weight:800;color:#e5484d;margin:6px 0 4px}
.ckf-pay-modal__product{color:#4b535a;font-size:15px;font-weight:700;margin:0 0 5px}.ckf-pay-modal__tip{color:#687582;font-size:14px;margin:0 0 20px}.ckf-pay-modal__qr{text-align:center;margin:16px 0}.ckf-pay-modal__qr img{width:240px;height:240px;display:block;margin:8px auto}.ckf-pay-modal__qr p{margin:6px 0}.ckf-pay-modal__methods{display:grid;gap:10px}.ckf-pay-modal__method{width:100%;border:0;border-radius:9px;color:#fff;font-size:15px;font-weight:700;padding:13px;cursor:pointer;transition:opacity .2s,transform .2s}.ckf-pay-modal__method:hover{opacity:.9;transform:translateY(-1px)}.ckf-pay-modal__method:disabled{opacity:.6;cursor:wait}.ckf-pay-modal__method--alipay{background:#1677ff}.ckf-pay-modal__method--wxpay{background:#16a05d}.ckf-pay-modal__method--card{background:#e08a21}.ckf-pay-modal__method--membership{background:#9ed8f5;color:#25627d}
.ckf-pay-modal.is-qr-payment .ckf-pay-modal__method{display:none!important}
.ckf-pay-modal.is-qr-payment .ckf-pay-modal__product{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ckf-pay-modal.is-qr-payment .ckf-pay-modal__tip{margin-bottom:8px}
.ckf-pay-modal.is-qr-payment .ckf-pay-modal__qr{margin:0}
.ckf-pay-modal__qr img,.ckf-pay-modal__qr canvas{max-width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.ckf-pay-modal__qr-content{display:flex;justify-content:center;max-width:100%}
@media(max-height:650px){.ckf-pay-modal.is-qr-payment .ckf-pay-modal__panel{padding:24px 20px 16px}.ckf-pay-modal.is-qr-payment .ckf-pay-modal__qr img,.ckf-pay-modal.is-qr-payment .ckf-pay-modal__qr canvas{width:min(240px,42vh);height:auto}.ckf-pay-modal.is-qr-payment .ckf-pay-modal__foot{margin-top:8px}}
.ckf-pay-modal__card-form[hidden]{display:none!important}.ckf-pay-modal__foot{color:#9aa4b2;font-size:12px;margin:14px 0 0}
@media (max-width:700px){.ckf-pay-box{grid-template-columns:1fr}.ckf-pay-box__media,.ckf-pay-box__cover,.ckf-pay-box__placeholder{min-height:0;aspect-ratio:16/9}.ckf-pay-box__content{padding:16px}.ckf-pay-box__desc{margin:12px 0}.ckf-pay-box__meta{margin-bottom:14px}}