.checkout-wrap {
            padding: 32px 0 80px;
        }

        .checkout-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 24px;
            align-items: start;
        }

        .ck-card {
            background: var(--bg-alt);
            border: 1px solid var(--border-soft);
            border-radius: var(--r-xl);
            padding: 24px;
            margin-bottom: 18px;
        }

        .ck-card:last-child {
            margin-bottom: 0;
        }

        .ck-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 20px;
        }

        .ck-step-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--ink);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .addr-option {
            border: 1.5px solid var(--border-soft);
            border-radius: var(--r-lg);
            padding: 14px 16px;
            cursor: pointer;
            transition: var(--t);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .addr-option:hover {
            border-color: var(--border);
        }

        .addr-option.selected {
            border-color: var(--accent);
            background: var(--accent-light);
        }

        .addr-option input[type=radio] {
            accent-color: var(--accent);
            width: 15px;
            height: 15px;
            margin-top: 2px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .addr-option-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
        }

        .addr-option-detail {
            font-size: 13px;
            color: var(--ink-3);
            margin-top: 2px;
            line-height: 1.5;
        }

        .form-row-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .pay-option {
            border: 1.5px solid var(--border-soft);
            border-radius: var(--r-lg);
            padding: 14px 16px;
            cursor: pointer;
            transition: var(--t);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .pay-option:hover {
            border-color: var(--border);
        }

        .pay-option.selected {
            border-color: var(--accent);
            background: var(--accent-light);
        }

        .pay-option input[type=radio] {
            accent-color: var(--accent);
            width: 15px;
            height: 15px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .pay-option-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--r-sm);
            background: var(--surface);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--ink-3);
        }

        .pay-option-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
        }

        .pay-option-sub {
            font-size: 12px;
            color: var(--ink-muted);
        }

        /* Summary */
        .summary-card {
            background: var(--bg-alt);
            border: 1px solid var(--border-soft);
            border-radius: var(--r-xl);
            padding: 22px;
            position: sticky;
            top: calc(68px + 20px);
        }

        .summary-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .summary-item-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .summary-item-img {
            width: 48px;
            height: 48px;
            border-radius: var(--r-md);
            background: var(--surface);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #C5C3BC;
            position: relative;
        }

        .summary-item-qty {
            position: absolute;
            top: -6px;
            right: -6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--ink);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .summary-item-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }
        .summary-item-name {
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
        }
        .summary-item-variant {
            font-size: 12px;
            color: var(--ink-3, #8A8780);
        }

        .summary-item-price {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            white-space: nowrap;
        }

        .summary-line {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            padding: 7px 0;
        }

        .summary-divider {
            height: 1px;
            background: var(--border-soft);
            margin: 8px 0;
        }

        .summary-total {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
        }

        .summary-total-label {
            font-size: 15px;
            font-weight: 700;
        }

        .summary-total-price {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
        }

        .coupon-row {
            display: flex;
            gap: 8px;
            margin: 12px 0;
        }

        .coupon-input {
            flex: 1;
            padding: 9px 13px;
            border: 1.5px solid var(--border);
            border-radius: var(--r-md);
            font-size: 13.5px;
            font-family: var(--font-body);
            color: var(--ink);
            background: var(--bg-alt);
            transition: var(--t);
        }

        .coupon-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(200, 82, 42, .1);
        }

        .coupon-applied {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 9px 13px;
            background: var(--green-light);
            border: 1px solid rgba(45, 122, 82, .2);
            border-radius: var(--r-md);
            font-size: 13px;
            color: var(--green);
            font-weight: 500;
        }

        @media(max-width:900px) {
            .checkout-layout {
                grid-template-columns: 1fr;
            }

            .summary-card {
                position: static;
            }
        }

        @media(max-width:600px) {
            .form-row-2 {
                grid-template-columns: 1fr;
            }
        }
        @keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }