/* AI_MOD-2026-09-29 搜索按钮复用项目已有 Font Awesome 图标字体，避免引入外部 CDN。 */
@font-face {
    font-family: PortalSearchIcons;
    src: url('../../manage/fonts/fontawesome-webfont.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}
.portal-navbar, .portal-navbar * { box-sizing: border-box; }
.navbar.portal-navbar {
    display: grid;
    max-width: 100vw;
    grid-template-columns: 145px minmax(0, 1fr) 240px;
    align-items: center;
    gap: 28px;
    height: auto;
    min-height: 50px;
    margin: 28px 0;
    letter-spacing: 0;
}
.navbar.portal-navbar > img {
    grid-column: 1;
    grid-row: 1;
    float: none;
    width: 145px;
    height: 50px;
    object-fit: contain;
    margin: 0;
}
.navbar.portal-navbar > ul {
    grid-column: 2;
    grid-row: 1;
    float: none;
    display: flex;
    align-items: center;
    gap: 28px;
    width: 100%;
    height: auto;
    min-width: 0;
    overflow-x: auto;
    padding: 8px 0 12px;
}
.navbar.portal-navbar > ul::before { display: none; }
.navbar.portal-navbar > ul > li {
    float: none;
    flex: 0 0 auto;
    height: auto;
    margin: 0;
    padding: 0;
    font-size: 19px;
    line-height: 28px;
    white-space: nowrap;
}
.navbar.portal-navbar > ul > li p { height: auto; line-height: inherit; }
.portal-search-form {
    grid-column: 3;
    grid-row: 1;
    display: flex;
    width: 100%;
    height: 44px;
    min-width: 0;
    border: 1px solid #c8d1d8;
    border-radius: 3px;
    overflow: hidden;
    background: #fff;
}
.portal-search-form:focus-within { outline: 2px solid #3290ce; outline-offset: 2px; }
.portal-search-form input[type="search"] {
    flex: 1;
    min-width: 0;
    width: 100%;
    border: 0;
    outline: 0;
    padding: 0 12px;
    background: transparent;
    color: #262626;
    font: 16px/normal Arial, 'Microsoft YaHei', sans-serif;
    cursor: text;
}
.portal-search-form button {
    flex: 0 0 44px;
    width: 44px;
    border: 0;
    background: #1479b6;
    color: #fff;
    cursor: pointer;
}
.portal-search-form button:hover { background: #005a93; }
.portal-search-form button:focus-visible { outline: 2px solid #222; outline-offset: -4px; }
.portal-search-icon { font: normal normal 18px/1 PortalSearchIcons; }
.portal-search-icon::before { content: '\f002'; }

/* AI_MOD-2026-09-29 旧页面正文为固定宽度，单独约束头部以保证小桌面仍能点击搜索框。 */
@media (min-width: 1080px) and (max-width: 1439px) {
    .navbar.portal-navbar { padding: 0 20px; gap: 20px; }
    .navbar.portal-navbar > ul { gap: 22px; }
}

/* AI_MOD-2026-09-29 手机头部两行布局，保留右上角输入框及可横向滚动的栏目导航。 */
@media (max-width: 1079px) {
    .navbar.portal-navbar {
        grid-template-columns: 112px minmax(0, 1fr);
        gap: 14px 20px;
        margin: 18px 0 20px;
        padding: 0 20px;
    }
    .navbar.portal-navbar > img { width: 112px; height: 40px; }
    .navbar.portal-navbar > ul { grid-column: 1 / -1; grid-row: 2; gap: 28px; }
    .navbar.portal-navbar > ul > li { font-size: 17px; line-height: 28px; }
    .portal-search-form { grid-column: 2; width: min(100%, 320px); justify-self: end; }
}
@media (max-width: 380px) {
    .navbar.portal-navbar { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; padding: 0 14px; }
    .navbar.portal-navbar > img { width: 88px; }
    .portal-search-form input[type="search"] { padding: 0 8px; }
}