.checkout-main{--checkout-ink:#1f2b38;--checkout-muted:#718197;--checkout-line:#e4ebf2;--checkout-blue:#2b76ff;--checkout-blue-soft:#eef5ff;min-height:100vh;background:linear-gradient(180deg,#f7faff,#f5f7fa 42%,#ffffff);font-family:var(--font-family);color:var(--checkout-ink);padding-bottom:80px}.checkout-container{max-width:1160px;width:100%;margin:0 auto;padding:clamp(3rem,6vw,5rem) 1.5rem 0}.checkout-header{margin-bottom:clamp(2rem,4vw,3.25rem);text-align:center}.checkout-header h1{margin:0 0 .65rem;color:var(--checkout-ink);font-size:clamp(2rem,3vw,2.7rem);font-weight:720;letter-spacing:-.045em}.checkout-header p{margin:0;color:var(--checkout-muted);font-size:1rem}.checkout-content{display:block}.checkout-unified-panel{display:flex;flex-direction:column;gap:2.75rem;padding:clamp(1.25rem,4vw,3rem);background:rgba(255,255,255,.88);border:1px solid var(--checkout-line);border-radius:26px;box-shadow:0 20px 55px rgba(32,62,92,.08)}.unified-product-section{display:flex;align-items:center;gap:clamp(1.25rem,4vw,2.75rem)}.product-img{width:clamp(180px,28vw,280px);aspect-ratio:1.45;height:auto;object-fit:cover;border:1px solid var(--checkout-line);border-radius:16px;box-shadow:0 12px 26px rgba(32,62,92,.1)}.product-info{flex:1 1;min-width:0}.product-info h3{margin:0 0 .65rem;color:var(--checkout-ink);font-size:clamp(1.45rem,3vw,2rem);font-weight:700;letter-spacing:-.035em}.product-desc{max-width:620px;margin:0 0 1rem;color:var(--checkout-muted);font-size:.95rem;line-height:1.75}.product-price-tag{color:var(--checkout-blue);font-size:1.7rem;font-weight:720;letter-spacing:-.04em}.unified-divider{width:100%;height:1px;background:var(--checkout-line)}.unified-features-section{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);grid-gap:clamp(2rem,5vw,4rem);gap:clamp(2rem,5vw,4rem)}.feature-block h4,.payment-methods-wrapper h4{margin:0 0 1rem;color:var(--checkout-ink);font-size:1.05rem;font-weight:680}.feature-block p,.product-rich-text{margin:0;color:var(--checkout-muted);font-size:.92rem;line-height:1.8}.product-rich-text p{margin:0 0 .9rem;color:var(--checkout-muted);line-height:1.8}.product-rich-text p:last-child{margin-bottom:0}.features-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:.7rem;gap:.7rem}.feature-item{display:flex;align-items:center;gap:.6rem;min-height:46px;padding:.65rem .75rem;color:#3d5064;background:#f6f9fc;border:1px solid #edf2f7;border-radius:12px;font-size:.85rem}.check-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex-shrink:0;color:var(--checkout-blue);background:var(--checkout-blue-soft);border-radius:50%}.check-icon svg{width:13px;height:13px}.unified-payment-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,370px);align-items:start;grid-gap:clamp(2rem,6vw,5rem);gap:clamp(2rem,6vw,5rem)}.payment-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:.8rem;gap:.8rem}.payment-method-card{position:relative;display:flex;align-items:center;min-height:104px;padding:1rem;background:#f8fafc;border:1px solid var(--checkout-line);border-radius:15px;cursor:pointer;transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease}.payment-method-card:hover:not(.disabled){transform:translateY(-2px);border-color:#bcd4f2;box-shadow:0 10px 22px rgba(36,79,125,.08)}.payment-method-card.active{background:var(--checkout-blue-soft);border-color:var(--checkout-blue);box-shadow:0 8px 22px rgba(43,118,255,.1)}.payment-method-card.disabled{opacity:.48;cursor:not-allowed;filter:grayscale(1)}.payment-method-content{display:grid;grid-template-columns:36px 1fr;align-items:center;grid-column-gap:.7rem;column-gap:.7rem;grid-row-gap:.2rem;row-gap:.2rem;padding-right:1.35rem}.payment-icon-placeholder,.payment-icon-svg{grid-row:span 2;width:36px;height:36px;object-fit:contain}.payment-icon-placeholder{display:grid;place-items:center;color:#8da0b4}.payment-name{color:var(--checkout-ink);font-size:.95rem;font-weight:650}.payment-desc{color:var(--checkout-muted);font-size:.72rem}.payment-radio{position:absolute;top:12px;right:12px;width:17px;height:17px;border:1px solid #c5d1df;border-radius:50%;background:#fff}.payment-method-card.active .payment-radio{border-color:var(--checkout-blue);background:var(--checkout-blue);box-shadow:inset 0 0 0 4px var(--checkout-blue-soft)}.summary-wrapper{width:100%;padding:1.35rem;background:#f8fbff;border:1px solid #dce9f7;border-radius:18px}.summary-calc{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:1px solid var(--checkout-line)}.calc-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.calc-label{color:var(--checkout-muted);font-size:.85rem}.calc-value{color:var(--checkout-ink);font-size:.92rem;font-weight:620}.coupon-row{padding-block:.75rem;border-block:1px solid #e9f0f7}.coupon-selector{display:flex;align-items:center;gap:.2rem;color:var(--checkout-blue);font-size:.78rem}.total-row{align-items:baseline;margin-top:.2rem}.total-row .calc-label{color:var(--checkout-ink);font-size:.95rem;font-weight:680}.total-price{color:var(--checkout-blue);font-size:2rem;font-weight:750;letter-spacing:-.045em}.payment-action{display:flex;flex-direction:column;align-items:stretch;gap:.85rem}.terms-agreement{width:100%}.checkbox-container{position:relative;display:flex;align-items:center;min-height:36px;padding-left:28px;color:var(--checkout-muted);font-size:.78rem;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.checkbox-container input{position:absolute;width:1px;height:1px;opacity:0}.checkmark{position:absolute;top:50%;left:0;width:18px;height:18px;border:1px solid #c5d1df;border-radius:5px;background:#fff;transform:translateY(-50%)}.checkbox-container input:checked~.checkmark{border-color:var(--checkout-blue);background:var(--checkout-blue)}.checkmark:after{position:absolute;display:none;content:"";left:5px;top:2px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.checkbox-container input:checked~.checkmark:after{display:block}.terms-link{color:var(--checkout-blue);font-weight:600}.btn-pay{width:100%;min-height:48px;padding:0 1rem;color:#fff;background:var(--checkout-blue);border:0;border-radius:999px;font-size:.98rem;font-weight:680;cursor:pointer;transition:transform .22s ease,background .22s ease,box-shadow .22s ease}.btn-pay:hover:not(:disabled){background:#1e67ec;box-shadow:0 10px 22px rgba(43,118,255,.2);transform:translateY(-1px)}.btn-pay:disabled{color:#fff;background:#b8c5d4;cursor:not-allowed}.secure-notice{display:flex;align-items:center;justify-content:center;gap:.35rem;margin:0;color:#8da0b4;font-size:.72rem}.secure-notice svg{width:16px;height:16px}.toast-message{position:fixed;z-index:1000;top:24px;left:50%;padding:12px 20px;color:#fff;border-radius:12px;font-size:.88rem;font-weight:650;box-shadow:0 12px 30px rgba(20,42,65,.16);transform:translateX(-50%);animation:slideDown .3s cubic-bezier(.16,1,.3,1)}.toast-message.success{background:#2c9d72}.toast-message.error{background:#d94d4d}@keyframes slideDown{0%{opacity:0;transform:translate(-50%,-14px)}to{opacity:1;transform:translate(-50%)}}@media (max-width:900px){.unified-features-section,.unified-payment-section{grid-template-columns:1fr;gap:2rem}.summary-wrapper{max-width:520px}}@media (max-width:620px){.checkout-container{padding-inline:1rem}.checkout-unified-panel{gap:2rem;padding:1rem;border-radius:20px}.unified-product-section{align-items:stretch;flex-direction:column;gap:1rem}.product-img{width:100%;aspect-ratio:1.7}.features-grid,.payment-methods{grid-template-columns:1fr}.payment-method-card{min-height:84px}.summary-wrapper{padding:1rem}}@media (prefers-reduced-motion:reduce){.btn-pay,.payment-method-card{transition:none}.toast-message{animation:none}}