@media (max-width:640px){.webmaster-info-card{padding:24px 20px;margin:0 16px;max-width:none}.webmaster-name{font-size:20px}.webmaster-bio{font-size:13px}.social-link{width:32px;height:32px}.social-link svg{width:16px;height:16px}.popup-image,.popup-qr{width:120px;height:120px}.webmaster-social{gap:14px}}html[data-theme=dark] .webmaster-info-card{background:var(--bg-card,#2a2a2a);box-shadow:0 4px 20px rgba(0,0,0,.4)}html[data-theme=dark] .webmaster-info-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.5)}html[data-theme=dark] .webmaster-header{border-bottom-color:var(--border-secondary,#3a3a3a)}html[data-theme=dark] .webmaster-name{color:var(--text-primary,#e8e8e8)}html[data-theme=dark] .webmaster-bio{color:var(--text-secondary,#b0b0b0)}html[data-theme=dark] .hover-popup{background:var(--bg-card,#2a2a2a);box-shadow:0 6px 24px rgba(0,0,0,.4)}html[data-theme=dark] .hover-popup:after{border-top-color:var(--bg-card,#2a2a2a)}html[data-theme=dark] .popup-content{color:var(--text-primary,#e8e8e8)}html[data-theme=dark] .popup-hint{color:var(--text-tertiary,#888)}@media print{.webmaster-info-card{box-shadow:none;border:1px solid #ddd}.social-link:hover{transform:none;box-shadow:none}.hover-popup{display:none}}