.gc-detail__layout{grid-template-columns:1fr 1fr;align-items:start;gap:56px;display:grid}.gc-detail__image{border-radius:var(--radius-lg);position:sticky;top:180px;overflow:hidden}.gc-detail__image img{width:100%;height:auto;display:block}.gc-detail__title{font-family:var(--font-display);color:var(--color-primary);margin-bottom:20px;font-size:clamp(26px,3vw,34px);font-weight:500;line-height:1.25}.gc-detail__desc{margin-bottom:28px}.gc-detail__desc p{color:var(--color-secondary);margin-bottom:12px;font-size:15px;line-height:1.75}.gc-detail__show-more{color:var(--color-primary);text-underline-offset:3px;cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;padding:0;font-size:14px;font-weight:600;text-decoration:underline}.gc-detail__show-more:hover{color:var(--color-accent)}.gc-detail__amount-section{border-top:1px solid var(--color-border-light);margin-bottom:32px;padding-top:24px}.gc-detail__amount-label{color:var(--color-secondary);margin-bottom:16px;font-size:15px}.gc-detail__amount-label strong{color:var(--color-primary);font-weight:700}.gc-detail__amounts{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.gc-detail__amount-btn{border:1.5px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-primary);background:var(--color-white);cursor:pointer;transition:all var(--transition-fast);padding:10px 22px;font-size:15px;font-weight:500}.gc-detail__amount-btn:hover{border-color:var(--color-primary)}.gc-detail__amount-btn--active{border-color:var(--color-primary);background-color:var(--color-primary);color:var(--color-white)}.gc-detail__custom-amount{border:1.5px solid var(--color-border);border-radius:var(--radius-full);width:fit-content;transition:border-color var(--transition-fast);align-items:center;gap:4px;padding:0 16px;display:flex}.gc-detail__custom-amount:focus-within{border-color:var(--color-primary)}.gc-detail__custom-prefix{color:var(--color-text-muted);font-size:15px;font-weight:500}.gc-detail__custom-amount input{width:140px;color:var(--color-primary);background:0 0;border:none;outline:none;padding:10px 8px;font-size:15px}.gc-detail__custom-amount input::placeholder{color:var(--color-text-muted)}.gc-detail__form{margin-bottom:28px}.gc-detail__form-label{color:var(--color-primary);margin-bottom:14px;font-size:15px;font-weight:700}.gc-detail__input{border:1.5px solid var(--color-border);border-radius:var(--radius-sm);width:100%;color:var(--color-primary);transition:border-color var(--transition-fast);outline:none;margin-bottom:14px;padding:14px 18px;font-size:15px}.gc-detail__input:focus{border-color:var(--color-primary)}.gc-detail__input::placeholder{color:var(--color-text-muted)}.gc-detail__textarea{border:1.5px solid var(--color-border);border-radius:var(--radius-sm);width:100%;min-height:100px;color:var(--color-primary);resize:vertical;transition:border-color var(--transition-fast);outline:none;margin-bottom:6px;padding:14px 18px;font-family:inherit;font-size:15px}.gc-detail__textarea:focus{border-color:var(--color-primary)}.gc-detail__textarea::placeholder{color:var(--color-text-muted)}.gc-detail__char-count{color:var(--color-text-muted);font-size:13px}.gc-detail__cart-btn{border-radius:var(--radius-full);background-color:var(--color-primary);width:100%;color:var(--color-white);text-transform:uppercase;letter-spacing:.8px;border:2px solid var(--color-primary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:10px;padding:16px;font-size:15px;font-weight:600;display:flex}.gc-detail__cart-btn:hover{color:var(--color-primary);background-color:#0000}@media (max-width:960px){.gc-detail__layout{grid-template-columns:1fr;gap:36px}.gc-detail__image{max-width:560px;position:static}}@media (max-width:480px){.gc-detail__title{font-size:24px}.gc-detail__amounts{gap:8px}.gc-detail__amount-btn{padding:8px 16px;font-size:14px}}