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var(--border)}.referral-item:last-child{border-bottom:none}.hamburger{display:none;width:28px;height:28px;position:relative;background:none;border:none;cursor:pointer;padding:0;margin-left:8px}.hamburger-line,.hamburger-line:before,.hamburger-line:after{display:block;width:22px;height:2.5px;background:var(--text);border-radius:2px;transition:all .25s;position:absolute;left:3px}.hamburger-line{top:50%;transform:translateY(-50%)}.hamburger-line:before{content:"";top:-7px}.hamburger-line:after{content:"";top:7px}.hamburger-line.open{background:transparent}.hamburger-line.open:before{top:0;transform:rotate(45deg)}.hamburger-line.open:after{top:0;transform:rotate(-45deg)}.mobile-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:199}.mobile-menu{display:none;position:fixed;top:64px;right:0;width:260px;max-width:80vw;height:calc(100vh - 64px);background:var(--bg-card);box-shadow:-4px 0 16px #0000001a;z-index:200;flex-direction:column;padding:16px;transform:translate(100%);transition:transform .25s ease;overflow-y:auto}.mobile-menu.open{transform:translate(0)}.mobile-menu-header{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:8px}.mobile-user-name{font-size:15px;font-weight:600;color:var(--text)}.mobile-nav{display:flex;flex-direction:column;gap:2px}.mobile-nav-link{display:block;padding:12px 8px;font-size:15px;font-weight:500;color:var(--text);border-radius:var(--radius);transition:background .15s}.mobile-nav-link:hover{background:#0000000a}.mobile-auth{display:flex;flex-direction:column;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.mobile-logout{margin-top:auto;padding:12px;font-size:15px;font-weight:500;color:var(--error);background:none;border:none;border-radius:var(--radius);transition:background .15s}.mobile-logout:hover{background:#f443360f}@media (max-width: 768px){.product-detail{grid-template-columns:1fr!important}.product-grid{grid-template-columns:repeat(2,1fr);gap:8px}.nav{display:none}.header-inner{gap:12px}.hamburger{display:block}.user-menu,.auth-links{display:none}.mobile-overlay{display:block}.mobile-menu{display:flex}.link-card{flex-direction:column;width:100%}.link-card-image{width:100%;height:160px}.link-card-info{width:100%;min-width:0}.link-price-row,.link-url-row{flex-wrap:wrap}.link-url-input{width:100%}.order-card{flex-direction:column}.order-card-image{width:100%;height:160px}}.how-page{max-width:720px;margin:0 auto;padding:40px 16px}.how-page h1{font-size:24px;font-weight:700;margin-bottom:8px}.how-page .how-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:32px}.how-page h2{font-size:18px;font-weight:600;margin:28px 0 12px;color:var(--primary)}.how-page p{font-size:15px;line-height:1.7;margin-bottom:12px;color:var(--text)}.how-page .how-step{display:flex;gap:16px;margin-bottom:20px;padding:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}.how-page .how-step-num{flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--secondary);color:#fff;font-weight:700;font-size:16px;border-radius:50%}.how-page .how-step-content{flex:1}.how-page .how-step-content h3{font-size:15px;font-weight:600;margin-bottom:4px}.how-page .how-step-content p{font-size:14px;margin-bottom:0}.how-page .how-alert{padding:14px 16px;background:#fff8e1;border:1px solid #ffe082;border-radius:var(--radius);font-size:14px;color:#795548;margin-top:24px}.how-page .how-alert strong{color:#e65100}