.login-input{display:block;width:100%;height:44px;padding:0 12px;margin:0 0 14px;border:1px solid #aaa;background:#fff;color:var(--ink);outline:none}.login-input:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(74,109,167,.16)}.login-button{width:100%;height:44px;background:var(--blue);color:#fff;font-weight:700}.login-button:hover{background:var(--blue-dark)}.user-name{font-weight:700;font-size:13px;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:720px){.topbar-inner{height:auto;min-height:72px;padding:10px 0}.header-actions{gap:8px}.brand{font-size:16px}.mini-mark{width:38px;height:38px}.user-name{max-width:105px}.main-nav{overflow-x:auto}.main-nav>div{min-width:max-content}.hero h2 br{display:none}.ask-box textarea{font-size:16px;min-height:150px}.source-card button{gap:10px}.source-score{white-space:nowrap}}