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h2{margin-bottom:0;font-size:28px}.admin-section-title button,.admin-quick button,.admin-quick a,.qr-history button{background:var(--white);min-height:40px;color:var(--blue);cursor:pointer;border:1px solid #b9c6c3;padding:0 12px}.admin-message{color:#904827;background:#fff3ea;border:1px solid #e3c2ac;margin:0 0 20px;padding:12px 14px;font-size:13px}.admin-message.success{color:#246246;background:#eaf5ef;border-color:#b9dac9}.admin-quick{flex-wrap:wrap;gap:10px;margin:24px 0;display:flex}.admin-editor-layout{grid-template-columns:260px minmax(0,1fr);gap:24px;display:grid}.admin-list{flex-direction:column;gap:7px;max-height:680px;display:flex;overflow:auto}.admin-list>button{border:1px solid var(--line);color:var(--ink);text-align:left;cursor:pointer;background:#fafcfa;flex-direction:column;gap:4px;padding:12px;display:flex}.admin-list>button.selected{border-color:var(--blue);background:var(--blue-soft)}.admin-list b{font-size:13px;line-height:1.4}.admin-list span{color:var(--muted);font-size:11px}.admin-form label{color:#394743;flex-direction:column;gap:6px;margin-bottom:15px;font-size:12px;font-weight:600;display:flex}.admin-form input,.admin-form select,.admin-form textarea{background:var(--white);width:100%;color:var(--ink);border:1px solid #c9d5d1;border-radius:2px;outline:none;padding:11px 12px}.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1d66701f}.admin-form textarea{resize:vertical}.admin-editor{border:1px solid var(--line);background:#fbfcfb;padding:22px}.admin-editor h3{margin-bottom:20px}.article-editor{font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}.article-image-upload{background:var(--white);border:1px dashed #b8c9c4;padding:12px}.article-image-upload small{color:var(--muted);font-weight:400}.admin-form-actions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.button-danger{color:#a14337;background:#fff;border-color:#d8aaa2}.admin-settings-grid{grid-template-columns:1.1fr .9fr;align-items:start;gap:32px;display:grid}.qr-upload-form{border:1px solid var(--line);background:#fbfcfb;padding:22px}.admin-current-qr{border:1px solid var(--line);width:min(240px,100%);height:auto;margin:0 auto 20px;display:block}.qr-history{margin-top:26px}.qr-history>div{border-bottom:1px solid var(--line);grid-template-columns:62px 1fr auto;align-items:center;gap:12px;padding:9px 0;display:grid}.qr-history img{object-fit:cover;border:1px solid var(--line);width:62px;height:72px}.qr-history span{min-width:0}.qr-history b,.qr-history small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.qr-history b{font-size:12px}.qr-history small{color:var(--muted);font-size:10px}.account-form{border:1px solid var(--line);background:#fbfcfb;max-width:520px;padding:24px}@media (max-width:980px){.admin-editor-layout,.admin-settings-grid{grid-template-columns:1fr}.admin-list{max-height:280px}}@media (max-width:860px){.article-layout{grid-template-columns:1fr;gap:30px}.article-layout .detail-side{padding-top:0}}@media (max-width:640px){.empty-state{padding:34px 20px}.contact-email{padding:24px 22px}.legal-links{justify-content:flex-start}.admin-topbar{padding:12px 16px}.admin-topbar .brand small,.admin-topbar>div>span{display:none}.admin-shell>.admin-grid{padding-top:20px}.admin-nav{padding:10px}.admin-nav button{white-space:nowrap}.admin-panel h1{font-size:29px}.admin-editor{padding:15px}.admin-settings-grid{gap:18px}.admin-login-card{padding:28px 22px}}