/* ============================================================
 * 洪江市黔阳一中纪念版主题 · 响应式与移动端优化
 * 重点照顾手机屏幕：更大触控区域、更紧凑排版、侧滑导航
 * ============================================================ */

/* 安全区域适配 */
:root {
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --space-lg: 24px;
        --space-xl: 64px;
        --space-2xl: 80px;
    }

    html {
        font-size: 16px;
        scroll-padding-top: calc(var(--header-height) + 24px);
    }

    body {
        -webkit-text-size-adjust: 100%;
    }

    .site-header,
    .navbar {
        padding: 8px 16px;
        padding-top: max(8px, var(--safe-area-top));
        padding-left: max(16px, var(--safe-area-left));
        padding-right: max(16px, var(--safe-area-right));
    }

    .site-header.scrolled,
    .navbar.scrolled,
    .site-header.header-scrolled {
        padding: 6px 16px;
        padding-top: max(6px, var(--safe-area-top));
    }

    .site-header .container,
    .site-header .nav-inner {
        padding: 0;
        gap: 12px;
    }

    .brand-wrap {
        gap: 0;
    }

    .brand,
    .nav-logo,
    .logo-text {
        font-size: 1.25rem;
        letter-spacing: 1px;
    }

    .site-slogan {
        display: none;
    }

    .header-actions {
        gap: 8px;
    }

    .theme-toggle {
        position: absolute;
        top: 50%;
        right: 52px;
        transform: translateY(-50%);
        width: 40px;
        height: 40px;
        margin: 0;
        z-index: 1001;
    }

    /* 移动端隐藏桌面搜索按钮（移动端搜索在侧滑菜单内部） */
    .nav-search-wrapper {
        display: none;
    }

    /* ================= 移动端侧滑导航 =================
     * 注意：选择器必须限定为 .main-nav .nav-links，避免影响
     * WordPress 翻页组件生成的 .nav-links.page-numbers 元素。
     */
    .main-nav {
        display: block;
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        max-height: none;
        overflow: visible;
    }

    .main-nav.open {
        animation: none;
    }

    .main-nav .nav-links {
        position: fixed;
        top: 0;
        right: -110%;
        width: min(300px, 82vw);
        height: 100vh;
        height: 100dvh;
        background: rgba(var(--bg-paper-rgb), 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: calc(var(--header-height) + var(--safe-area-top) + 24px) 16px calc(24px + var(--safe-area-bottom));
        gap: 4px;
        transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
        z-index: 999;
        border-radius: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .main-nav.open .nav-links,
    .main-nav .nav-links.open {
        right: 0;
    }

    .main-nav .nav-links li {
        width: 100%;
        position: relative;
    }

    .nav-link,
    .main-nav .nav-links a {
        display: flex;
        align-items: center;
        min-height: 52px;
        padding: 14px 16px;
        font-size: 1.05rem;
        color: var(--color-ink) !important;
        border-radius: var(--radius-md);
        width: 100%;
        letter-spacing: 1px;
    }

    .nav-link:hover,
    .main-nav .nav-links a:hover,
    .main-nav .nav-links .current-menu-item > a,
    .main-nav .nav-links .current-menu-ancestor > a,
    .main-nav .nav-links .current_page_item > a,
    .main-nav .nav-links .active a {
        background: var(--primary-light);
        color: var(--color-bamboo-dark) !important;
        box-shadow: none;
        padding: 14px 16px;
    }

    .main-nav .nav-links a::after {
        display: none;
    }

    /* 子菜单在移动端展开 */
    .main-nav .nav-links .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border: none;
        padding: 0 0 0 12px;
        display: none;
        gap: 4px;
    }

    .main-nav .nav-links li.menu-item-has-children.open > .sub-menu,
    .main-nav .nav-links li.page_item_has_children.open > .sub-menu {
        display: flex;
        flex-direction: column;
    }

    .main-nav .nav-links li.menu-item-has-children > a::after,
    .main-nav .nav-links li.page_item_has_children > a::after {
        content: '+';
        margin-left: auto;
        font-size: 1.2rem;
        line-height: 1;
        color: var(--color-text-muted);
        transition: transform 0.25s ease;
    }

    .main-nav .nav-links li.menu-item-has-children.open > a::after,
    .main-nav .nav-links li.page_item_has_children.open > a::after {
        transform: rotate(45deg);
    }

    /* ================= 移动端侧滑菜单内搜索框 =================
     * 搜索框作为 <li> 位于侧滑菜单底部，随菜单一同滑入/滑出。
     * 使用 CSS 变量适配夜间模式。
     */
    .mobile-search-item {
        display: block !important;
        margin-top: auto;
        padding-top: 16px;
        border-top: 1px solid var(--border);
        width: 100%;
    }

    .mobile-search-item .mobile-nav-search {
        display: flex;
        align-items: center;
        gap: 0;
    }

    .mobile-nav-search input[type="search"] {
        flex: 1;
        padding: 12px 16px;
        border: 1px solid var(--border);
        border-right: none;
        border-radius: var(--radius-full) 0 0 var(--radius-full);
        background: var(--bg-elevated);
        color: var(--color-text);
        font-family: var(--font-body);
        font-size: 0.95rem;
        outline: none;
        min-width: 0;
    }

    .mobile-nav-search input[type="search"]::placeholder {
        color: var(--color-text-muted);
    }

    .mobile-nav-search input[type="search"]:focus {
        border-color: var(--color-bamboo);
        box-shadow: 0 0 0 3px rgba(123, 162, 63, 0.12);
    }

    .mobile-nav-search button[type="submit"] {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 14px;
        border: 1px solid var(--border);
        border-left: none;
        border-radius: 0 var(--radius-full) var(--radius-full) 0;
        background: var(--bg-elevated);
        color: var(--color-text-light);
        cursor: pointer;
        flex-shrink: 0;
    }

    .mobile-nav-search button[type="submit"]:hover {
        background: var(--primary-light);
        color: var(--color-bamboo-dark);
    }

    [data-theme="dark"] .mobile-nav-search button[type="submit"]:hover {
        background: rgba(143, 207, 106, 0.15);
        color: var(--color-bamboo);
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        top: 50%;
        right: 8px;
        transform: translateY(-50%);
        z-index: 1001;
        width: 44px;
        height: 44px;
        margin: 0;
        align-items: center;
        justify-content: center;
    }

    .nav-toggle[aria-expanded="true"] {
        color: var(--color-ink) !important;
    }

    body.nav-open {
        overflow: hidden;
    }

    .nav-overlay {
        display: none;
    }

    body.nav-open .nav-overlay,
    .nav-overlay.active {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 998;
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* ================= Hero 移动端适配 ================= */
    .hero,
    .section-hero {
        min-height: 100svh;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        align-items: flex-start;
        padding-top: calc(var(--header-height) + 24px);
        margin-bottom: 36px;
    }

    /* Cancel the .site-content padding-top so the hero goes under the fixed header */
    .site-main > .section-hero:first-child {
        margin-top: calc(-1 * (var(--header-height) + 24px));
    }

    .hero-content {
        width: 100%;
        padding: 0 16px;
    }

    .hero-title-wrap {
        margin-bottom: 24px;
    }

    .hero-title,
    .hero h1 {
        font-size: clamp(2.2rem, 11vw, 3.4rem);
        letter-spacing: 3px;
    }

    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .hero-slogan {
        font-size: 0.75rem;
        padding: 8px 14px;
    }

    .hero-philosophy {
        flex-wrap: wrap;
        gap: 6px 12px;
        margin-top: 28px;
        font-size: 0.85rem;
        letter-spacing: 2px;
    }

    .philosophy-divider {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 28px auto 0;
        gap: 12px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 1rem;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        width: 100%;
        max-width: 320px;
        margin: 32px auto 0;
    }

    .hero-stat {
        min-width: auto;
        padding: 14px 10px;
        gap: 4px;
    }

    .hero-stat .number {
        font-size: 1.6rem;
    }

    .hero-stat .label {
        font-size: 0.8rem;
    }

    .scroll-hint {
        bottom: 24px;
    }

    /* ================= 布局与间距 ================= */
    .container {
        padding: 0 16px;
    }

    .site-content {
        padding-top: calc(var(--header-height) + 24px);
    }

    .site-main {
        padding-bottom: 100px;
    }

    .section {
        margin-bottom: var(--space-xl);
    }

    section {
        padding: 48px 0;
    }

    .card {
        padding: 24px;
        margin-bottom: 20px;
    }

    /* ================= 字体与正文 ================= */
    h1 {
        font-size: clamp(1.7rem, 6vw, 2rem);
    }

    h2 {
        font-size: clamp(1.4rem, 5vw, 1.7rem);
    }

    h3 {
        font-size: 1.15rem;
    }

    .content {
        font-size: 1.05rem;
    }

    .content p {
        margin-bottom: 18px;
    }

    /* 首行缩进开关响应式覆盖 */
    body.has-first-line-indent .content p { text-indent: 1.5em; }

    /* ================= 网格组件 ================= */
    .home-grid,
    .about-grid,
    .page-content-wrap {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .home-sidebar,
    .about-sidebar,
    .page-sidebar {
        position: static;
        order: -1;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .value-card {
        padding: 22px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 18px 12px;
    }

    .stat-card .number {
        font-size: 1.5rem;
    }

    .related-grid,
    .post-navigation {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* ================= 公告列表 ================= */
    .announcement {
        flex-wrap: wrap;
        gap: 8px;
        padding: 14px 16px;
    }

    .announcement a {
        min-height: 44px;
        display: flex;
        align-items: center;
        width: 100%;
        order: -1;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .announcement time {
        margin-left: 0;
        font-size: 0.8rem;
    }

    /* ================= 筛选与分页 ================= */
    .archive-filters {
        padding: 16px;
        margin-bottom: 20px;
    }

    .filter-nav {
        gap: 8px;
    }

    .filter-btn {
        padding: 10px 14px;
        font-size: 0.88rem;
        min-height: 40px;
    }

    .pagination,
    .nav-links.page-numbers {
        gap: 6px;
        flex-wrap: wrap;
    }

    .pagination .page-numbers,
    .nav-links.page-numbers .page-numbers {
        min-width: 40px;
        height: 40px;
        padding: 0 8px;
        font-size: 0.9rem;
    }

    /* ================= 面包屑与页面头部 ================= */
    .breadcrumb {
        padding: 14px 18px;
        margin-bottom: 20px;
        font-size: 0.88rem;
    }

    .archive-hero,
    .search-hero,
    .about-hero {
        padding: 32px 20px;
    }

    .xhw-searchbox {
        flex-direction: column;
        gap: 10px;
    }

    .xhw-searchbox .btn {
        width: 100%;
    }

    /* ================= 作者与分享 ================= */
    .post-author {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px;
        gap: 16px;
    }

    .post-author::before {
        width: 100%;
        height: 4px;
    }

    .author-name {
        justify-content: center;
    }

    .share-links {
        flex-wrap: wrap;
        gap: 10px;
    }

    .footer-navigation {
        gap: 16px;
    }

    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: left;
    }

    /* ================= 归档页面头部 ================= */
    .archive-hero,
    .search-hero,
    .about-hero {
        padding: 24px 16px;
        margin-bottom: 16px;
    }

    .archive-hero h1,
    .search-hero h1,
    .about-hero h1 {
        font-size: 1.4rem;
    }

    .archive-hero .description,
    .search-hero .description {
        font-size: 0.9rem;
    }

    /* ================= 统计图表 ================= */
    .stats-section {
        padding: 20px;
    }

    .chart-bar-list {
        gap: 8px;
    }

    .chart-bar {
        gap: 8px;
    }

    .chart-label {
        font-size: 0.78rem;
        min-width: 50px;
    }

    .chart-value {
        font-size: 0.82rem;
        min-width: 24px;
    }

    .type-cloud {
        gap: 8px;
    }

    .type-cloud-item {
        font-size: 0.82rem;
        padding: 4px 10px;
    }

    /* ================= 单篇文章 ================= */
    .single-announcement {
        padding: 24px 16px;
    }

    .entry-title {
        font-size: 1.4rem;
        line-height: 1.5;
    }

    .entry-content {
        font-size: 1rem;
        line-height: 1.9;
    }

    .entry-content p {
        margin-bottom: 16px;
    }

    .entry-content img {
        width: 100%;
        height: auto;
    }

    .entry-thumbnail {
        margin: 0 -16px 20px;
    }

    .entry-thumbnail img {
        width: 100%;
        height: auto;
        max-height: 240px;
        object-fit: cover;
    }

    /* ================= 面包屑 ================= */
    .breadcrumb {
        padding: 12px 16px;
        margin-bottom: 16px;
        font-size: 0.82rem;
        flex-wrap: wrap;
    }

    /* ================= 空状态 ================= */
    .empty-state {
        padding: 32px 16px;
    }

    .empty-state-icon {
        font-size: 2.5rem;
    }

    /* ================= 加载更多按钮 ================= */
    .load-more-wrap {
        margin-top: 24px;
    }

    .load-more-btn {
        width: 100%;
        min-height: 48px;
    }

    /* ================= 返回顶部 ================= */
    .back-to-top {
        right: calc(16px + var(--safe-area-right));
        bottom: calc(16px + var(--safe-area-bottom));
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    /* ================= 页脚 ================= */
    .site-footer {
        padding: 40px 16px;
        padding-bottom: calc(40px + var(--safe-area-bottom));
    }

    /* ================= 作者详情页 ================= */
    .author-cover {
        height: 80px;
    }

    .author-profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
        padding: 0 20px 28px;
        margin-top: -40px;
    }

    .author-profile-avatar .avatar {
        width: 90px;
        height: 90px;
        border-width: 4px;
    }

    .author-profile-body {
        padding-top: 0;
    }

    .author-profile-body h1 {
        font-size: 1.3rem;
    }

    .author-stats {
        justify-content: center;
        font-size: 0.82rem;
    }

    .author-social {
        justify-content: center;
    }
}

/* ================= 超小屏优化 (≤480px) ================= */
@media (max-width: 480px) {
    :root {
        --header-height: 56px;
        --space-md: 20px;
        --space-lg: 16px;
        --space-xl: 48px;
        --space-2xl: 64px;
    }

    .container {
        padding: 0 12px;
    }

    .site-content {
        padding-top: calc(var(--header-height) + 16px);
    }

    .site-main > .section-hero:first-child {
        margin-top: calc(-1 * (var(--header-height) + 16px));
    }

    .site-header,
    .navbar {
        padding: 6px 12px;
    }

    .brand,
    .nav-logo,
    .logo-text {
        font-size: 1.1rem;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
        right: 48px;
    }

    .nav-toggle {
        width: 40px;
        height: 40px;
        right: 4px;
    }

    .main-nav .nav-links {
        width: 88vw;
        padding: calc(var(--header-height) + 16px) 12px 20px;
    }

    .nav-link,
    .main-nav .nav-links a {
        min-height: 48px;
        padding: 12px 14px;
        font-size: 1rem;
    }

    .hero,
    .section-hero {
        min-height: 100svh;
        padding-top: calc(var(--header-height) + 16px);
    }

    .hero-title,
    .hero h1 {
        font-size: clamp(1.8rem, 9vw, 2.8rem);
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .hero-slogan {
        font-size: 0.7rem;
        padding: 6px 12px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        max-width: 280px;
    }

    .hero-stat {
        padding: 12px 8px;
    }

    .hero-stat .number {
        font-size: 1.4rem;
    }

    .hero-stat .label {
        font-size: 0.72rem;
    }

    .hero-actions {
        max-width: 260px;
        gap: 10px;
        margin-top: 24px;
    }

    .hero-actions .btn {
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    .card {
        padding: 18px;
        margin-bottom: 16px;
        border-radius: var(--radius-md);
    }

    .announcement-card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .info-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .campus-gallery {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .campus-img,
    .campus-placeholder {
        height: 180px;
    }

    .honors-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .about-content {
        padding: 22px 20px;
    }

    .submission-form {
        padding: 24px 18px;
    }

    .submission-form label {
        margin-bottom: 18px;
    }

    .contact-item {
        min-width: 0;
        width: 100%;
        padding: 18px 20px;
    }

    section {
        padding: 40px 12px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.4rem;
        letter-spacing: 2px;
    }

    .filter-btn {
        padding: 8px 12px;
        font-size: 0.82rem;
        min-height: 38px;
    }

    .archive-filters {
        padding: 12px;
    }

    .breadcrumb {
        padding: 10px 14px;
        font-size: 0.82rem;
    }

    .post-card-thumb img {
        height: 140px;
    }

    .post-card-thumb {
        margin: -18px -18px 0 -18px;
    }

    .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .back-to-top {
        right: 12px;
        bottom: 12px;
        width: 40px;
        height: 40px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --max-width: 100%;
        --header-height: 70px;
        --section-gap: 60px;
    }

    .container {
        padding: 0 24px;
    }

    .home-grid {
        grid-template-columns: 1fr 280px;
    }

    .about-grid {
        grid-template-columns: 1fr 320px;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .announcement-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stat {
        min-width: 90px;
        padding: 14px 18px;
    }

    section {
        padding: 72px 24px;
    }

    .nav-links {
        gap: 18px;
    }

    .nav-link,
    .nav-links a {
        font-size: 0.9rem;
    }
}

@media (min-width: 1440px) {
    :root {
        --max-width: 1240px;
        --header-height: 80px;
        --section-gap: 96px;
    }

    body {
        font-size: 1.05rem;
    }

    h1 {
        font-size: 2.6rem;
    }

    h2 {
        font-size: 1.9rem;
    }

    .container {
        padding: 0 32px;
    }

    .site-header,
    .navbar {
        padding: 18px 56px;
    }

    .site-header.scrolled,
    .navbar.scrolled {
        padding: 12px 56px;
    }

    .nav-links {
        gap: 36px;
    }

    .nav-link,
    .nav-links a {
        font-size: 1rem;
    }

    .brand,
    .nav-logo,
    .logo-text {
        font-size: 1.65rem;
    }

    .values-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .announcement-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
        gap: 28px;
    }

    .card {
        padding: 40px;
    }

    section {
        padding: var(--space-2xl) var(--space-lg);
    }
}

@media (min-width: 1920px) {
    :root {
        --max-width: 1440px;
        --header-height: 84px;
        --section-gap: 112px;
    }

    body {
        font-size: 1.1rem;
    }

    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.1rem;
    }

    .container {
        padding: 0 40px;
    }

    .site-header,
    .navbar {
        padding: 20px 64px;
    }

    .nav-links {
        gap: 44px;
    }

    .brand,
    .nav-logo,
    .logo-text {
        font-size: 1.8rem;
    }

    .values-grid {
        gap: 32px;
    }

    .announcement-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
        gap: 32px;
    }

    .card {
        padding: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .chart-fill {
        transition: none;
    }

    body::before {
        animation: none;
    }
}

/* 统一触控区域最小高度（主要为触屏设备） */
@media (pointer: coarse) {
    .nav-links a,
    .btn,
    .filter-btn,
    .page-numbers,
    .announcement a,
    .footer-navigation a,
    .widget li a,
    .back-to-top,
    .author-social a,
    .share-links a {
        min-height: 44px;
    }
}

/* ============================================================
 * 横屏适配（统一管理，放最后）
 * ============================================================ */

/* 大屏/电脑横屏（视口高度 ≥ 600px） */
@media (orientation: landscape) and (min-height: 600px) {
    .section-hero {
        min-height: 100vh !important;
        min-height: 100svh !important;
        height: auto !important;
        overflow: visible !important;
        padding-bottom: 60px !important;
    }

    .hero-content {
        padding-top: 80px !important;
        padding-bottom: 20px !important;
    }
}

/* 小屏/手机横屏（视口高度 < 600px） */
@media (orientation: landscape) and (max-height: 599px) {
    .section-hero {
        min-height: 100vh !important;
        min-height: 100svh !important;
        height: auto !important;
        overflow: visible !important;
        padding-bottom: 40px !important;
    }

    .hero-content {
        padding-top: 10px !important;
        padding-bottom: 10px !important;
    }

    /* ===== 细粒度样式 ===== */
    .hero-title-wrap {
        margin-bottom: 8px;
    }

    .hero-slogan {
        font-size: 0.65rem;
        padding: 4px 10px;
        margin-bottom: 8px;
    }

    .hero-title,
    .hero h1 {
        font-size: clamp(1.6rem, 5vw, 2.4rem);
    }

    .hero-philosophy {
        margin-top: 12px;
        font-size: 0.7rem;
        gap: 4px 8px;
    }

    .hero-actions {
        margin-top: 16px;
        max-width: 240px;
        gap: 8px;
    }

    .hero-actions .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .hero-stats {
        margin-top: 16px;
        gap: 8px;
        max-width: 360px;
    }

    .hero-stat {
        padding: 8px 12px;
    }

    .hero-stat .number {
        font-size: 1.2rem;
    }

    .hero-stat .label {
        font-size: 0.65rem;
    }

    .scroll-hint {
        display: block;
    }

    .nav-links {
        width: min(280px, 65vw);
    }

    section {
        padding: 24px 16px;
    }
}

/* ================= 中等屏幕横屏优化（平板/小笔记本） ================= */
@media (min-width: 769px) and (max-width: 1280px) and (orientation: landscape) {
    .nav-inner {
        gap: 12px;
    }

    .nav-links {
        gap: 14px;
    }

    .nav-link,
    .nav-links a {
        font-size: 0.85rem;
        padding: 4px 8px;
    }

    .brand,
    .nav-logo,
    .logo-text {
        font-size: 1.2rem;
    }

    .nav-links .active a,
    .nav-links .current-menu-item > a,
    .nav-links .current-menu-ancestor > a,
    .nav-links .current_page_item > a {
        padding: 6px 14px;
        font-size: 0.85rem;
    }

    .theme-toggle,
    .nav-search-toggle {
        width: 36px;
        height: 36px;
    }
}