/* 小牛加速器 — 单一样式表 */
:root {
    --xn-primary: #0d9488;
    --xn-primary-dark: #0f766e;
    --xn-primary-deep: #115e59;
    --xn-accent: #f59e0b;
    --xn-accent-hover: #d97706;
    --xn-bg: #f0fdfa;
    --xn-bg-alt: #ecfeff;
    --xn-surface: #ffffff;
    --xn-text: #134e4a;
    --xn-text-muted: #5b7c78;
    --xn-border: #99f6e4;
    --xn-border-soft: #ccfbf1;
    --xn-shadow: 0 4px 24px rgba(13, 148, 136, 0.08);
    --xn-shadow-lg: 0 12px 40px rgba(13, 148, 136, 0.12);
    --xn-radius: 12px;
    --xn-radius-lg: 20px;
    --xn-nav-h: 72px;
    --xn-transition: 0.25s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    color: var(--xn-text);
    line-height: 1.65;
    background: var(--xn-bg);
    margin: 0;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--xn-primary-dark);
    text-decoration: none;
    transition: color var(--xn-transition);
}

a:hover {
    color: var(--xn-accent-hover);
}

/* —— 导航 —— */
.z483f7navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--xn-border-soft);
    padding: 0.65rem 0;
    box-shadow: 0 1px 0 rgba(13, 148, 136, 0.06);
}

.z483f7navbar-brand img {
    height: 42px;
    width: auto;
}

.z483f7nav-link {
    color: var(--xn-text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: background var(--xn-transition), color var(--xn-transition);
}

.z483f7nav-link:hover {
    color: var(--xn-primary) !important;
    background: var(--xn-bg-alt);
}

.z483f7navbar-toggler {
    border: 1px solid var(--xn-border);
    padding: 0.4rem 0.55rem;
}

.z483f7navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

/* —— 通用区块 —— */
.xn-section {
    padding: 4.5rem 0;
}

.xn-section-alt {
    background: var(--xn-surface);
}

.xn-section-tint {
    background: linear-gradient(180deg, var(--xn-bg-alt) 0%, var(--xn-bg) 100%);
}

.xn-container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.xn-section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.xn-section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--xn-primary-deep);
    margin: 0 0 0.75rem;
    line-height: 1.3;
}

.xn-section-head p {
    color: var(--xn-text-muted);
    margin: 0;
    font-size: 1rem;
}

.xn-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--xn-primary);
    background: var(--xn-border-soft);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

/* —— Hero —— */
.z483f7hero-section {
    position: relative;
    padding: 4rem 0 5rem;
    background: linear-gradient(160deg, var(--xn-primary-deep) 0%, var(--xn-primary) 45%, #14b8a6 100%);
    color: #fff;
    overflow: hidden;
}

.z483f7hero-section::after {
    content: "";
    position: absolute;
    right: -15%;
    top: -20%;
    width: 55%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.z483f7hero-section .xn-container {
    position: relative;
    z-index: 1;
}

.z483f7hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.z483f7hero-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.z483f7hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    opacity: 0.92;
    margin: 0 0 1.75rem;
    max-width: 520px;
    line-height: 1.7;
}

.z483f7hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z483f7btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--xn-accent);
    color: #1c1917;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    transition: transform var(--xn-transition), box-shadow var(--xn-transition), background var(--xn-transition);
}

.z483f7btn-primary:hover {
    background: var(--xn-accent-hover);
    color: #1c1917;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.z483f7btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: #fff;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    transition: background var(--xn-transition), border-color var(--xn-transition);
}

.z483f7btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
}

.z483f7hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.z483f7hero-image-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.z483f7hero-image {
    width: 100%;
    border-radius: var(--xn-radius-lg);
    box-shadow: var(--xn-shadow-lg);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.z483f7hero-image-shadow,
.z483f7hero-image-container::before {
    display: none;
}

.xn-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* —— 优势 Bento —— */
#features.xn-section {
    padding-top: 4rem;
}

.xn-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}

.xn-bento-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    padding: 1.5rem;
    box-shadow: var(--xn-shadow);
    transition: border-color var(--xn-transition), box-shadow var(--xn-transition);
    overflow: hidden;
    height: 100%;
}

.xn-bento-card:hover {
    border-color: var(--xn-border);
    box-shadow: var(--xn-shadow-lg);
}

.xn-bento-card h3 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
    color: var(--xn-primary-deep);
}

.xn-bento-card p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--xn-text-muted);
    line-height: 1.6;
}

.xn-bento-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--xn-primary), var(--xn-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.xn-bento-main {
    grid-column: span 6;
}

.xn-bento-side {
    grid-column: span 3;
}

.xn-bento-wide {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: center;
}

.xn-bento-wide .xn-bento-text {
    max-width: 720px;
}

/* —— 数据条 —— */
.z483f7stats-section {
    padding: 3rem 0;
    background: var(--xn-primary-deep);
    color: #fff;
}

.xn-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.z483f7stat-item {
    text-align: center;
    padding: 1.25rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--xn-radius);
    background: rgba(255, 255, 255, 0.05);
}

.z483f7stat-number {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 0.25rem;
    color: var(--xn-accent);
}

.z483f7stat-label {
    font-size: 0.9rem;
    opacity: 0.88;
}

/* —— 下载 —— */
.z483f7download-section {
    padding: 4.5rem 0;
    background: var(--xn-bg-alt);
}

.z483f7download-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.z483f7download-header h2 {
    color: var(--xn-primary-deep);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
}

.z483f7download-subtitle {
    color: var(--xn-text-muted);
    margin: 0;
}

.xn-download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.z483f7download-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    border-left: 4px solid var(--xn-primary);
    box-shadow: var(--xn-shadow);
    overflow: hidden;
    height: 100%;
    transition: box-shadow var(--xn-transition);
}

.z483f7download-card:hover {
    box-shadow: var(--xn-shadow-lg);
    transform: none;
}

.z483f7android-card {
    border-left-color: #22c55e;
}

.z483f7ios-card {
    border-left-color: #3b82f6;
}

.z483f7download-card .card-body {
    padding: 1.5rem;
}

.z483f7platform-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.z483f7ios-icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
}

.z483f7android-icon {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
}

.xn-dl-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.xn-dl-head h3 {
    margin: 0 0 0.2rem;
    font-size: 1.15rem;
    color: var(--xn-primary-deep);
}

.xn-dl-head .text-muted {
    color: var(--xn-text-muted) !important;
    font-size: 0.88rem;
    margin: 0;
}

.z483f7download-info {
    background: var(--xn-bg);
    padding: 1rem 1.15rem;
    border-radius: 10px;
    border: 1px solid var(--xn-border-soft);
    margin-bottom: 1.25rem;
}

.z483f7info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--xn-text-muted);
}

.z483f7info-item:last-child {
    margin-bottom: 0;
}

.z483f7info-item i {
    color: var(--xn-primary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.z483f7download-action .btn,
.z483f7btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.35rem;
    background: var(--xn-primary);
    color: #fff !important;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background var(--xn-transition), transform var(--xn-transition);
    white-space: normal;
    text-overflow: unset;
    overflow: visible;
}

.z483f7download-action .btn:hover,
.z483f7btn:hover {
    background: var(--xn-primary-dark);
    color: #fff !important;
    transform: translateY(-1px);
}

/* —— 安全 —— */
.z483f7security-section {
    padding: 4.5rem 0;
    background: var(--xn-surface);
}

.z483f7security-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.z483f7security-header h2 {
    color: var(--xn-primary-deep);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
}

.z483f7security-subtitle {
    color: var(--xn-text-muted);
    margin: 0;
}

.xn-security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.z483f7security-card {
    background: var(--xn-bg);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    padding: 1.35rem;
    height: 100%;
    box-shadow: none;
    transition: border-color var(--xn-transition);
}

.z483f7security-card:hover {
    border-color: var(--xn-border);
    transform: none;
    box-shadow: var(--xn-shadow);
}

.z483f7security-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--xn-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 0 1rem;
}

.z483f7security-card h3 {
    font-size: 1rem;
    text-align: left;
    margin: 0 0 0.75rem;
    color: var(--xn-primary-deep);
}

.z483f7security-features {
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.z483f7feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 0.45rem;
    font-size: 0.85rem;
    color: var(--xn-text-muted);
}

.z483f7feature-item i {
    color: var(--xn-primary);
    margin: 0.15rem 0 0;
    font-size: 0.8rem;
}

.xn-cert-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.z483f7certificate-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    padding: 1.25rem;
    text-align: center;
    height: 100%;
    box-shadow: var(--xn-shadow);
}

.z483f7certificate-card:hover {
    transform: none;
    border-color: var(--xn-border);
}

.z483f7certificate-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: var(--xn-border-soft);
    color: var(--xn-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.z483f7certificate-card h4 {
    font-size: 0.95rem;
    color: var(--xn-primary-deep);
    margin: 0 0 0.35rem;
}

.z483f7certificate-card p {
    font-size: 0.82rem;
    color: var(--xn-text-muted);
    margin: 0;
}

/* —— 知识区 —— */
.xn-knowledge {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--xn-bg) 0%, var(--xn-bg-alt) 100%);
}

.xn-knowledge-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.5rem;
    align-items: start;
}

.xn-knowledge-main {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius-lg);
    padding: 1.75rem;
    box-shadow: var(--xn-shadow);
}

.xn-knowledge-main h3 {
    font-size: 1.15rem;
    color: var(--xn-primary-deep);
    margin: 0 0 1rem;
}

.xn-knowledge-main p {
    margin: 0 0 1rem;
    color: var(--xn-text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
}

.xn-knowledge-main p:last-child {
    margin-bottom: 0;
}

.xn-knowledge-aside {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.xn-tip-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-left: 3px solid var(--xn-accent);
    border-radius: var(--xn-radius);
    padding: 1.15rem 1.25rem;
}

.xn-tip-card h4 {
    font-size: 0.95rem;
    margin: 0 0 0.4rem;
    color: var(--xn-primary-deep);
}

.xn-tip-card p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--xn-text-muted);
    line-height: 1.6;
}

/* —— FAQ —— */
#faq.xn-section {
    padding: 4rem 0;
}

.xn-faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.xn-faq-item {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    padding: 1.25rem 1.35rem;
    height: 100%;
    box-shadow: var(--xn-shadow);
}

.xn-faq-item h5 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
    color: var(--xn-primary-deep);
    line-height: 1.4;
}

.xn-faq-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--xn-text-muted);
    line-height: 1.65;
}

/* —— 文章 —— */
#article.xn-section {
    padding: 4rem 0;
    background: var(--xn-surface);
}

.xn-article-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.xn-article-head h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--xn-primary-deep);
}

.xn-article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.xn-article-card {
    background: var(--xn-bg);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--xn-transition), box-shadow var(--xn-transition);
}

.xn-article-card:hover {
    border-color: var(--xn-border);
    box-shadow: var(--xn-shadow);
}

.xn-article-card .card-body {
    padding: 0.85rem;
    flex: 1;
}

.z483f7thumb-home {
    width: 100%;
    height: 110px;
    object-fit: cover;
}

.xn-article-card h3 {
    font-size: 0.88rem;
    line-height: 1.4;
    margin: 0;
}

.xn-article-card h3 a {
    color: var(--xn-text);
}

.xn-article-card h3 a:hover {
    color: var(--xn-primary);
}

/* —— 页脚 —— */
.z483f7footer {
    background: var(--xn-primary-deep);
    color: rgba(255, 255, 255, 0.85);
    padding: 3rem 0 1.5rem;
}

.z483f7footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.z483f7footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z483f7footer-links li {
    margin-bottom: 0.5rem;
}

.z483f7footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.z483f7footer-link:hover {
    color: var(--xn-accent);
}

.z483f7footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.z483f7friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z483f7friend-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.88rem;
}

.z483f7friend-links a:hover {
    color: var(--xn-accent);
}

.z483f7footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 1.25rem;
    margin-top: 2rem;
    text-align: center;
}

.z483f7footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
}

.z483f7footer-bottom a:hover {
    color: var(--xn-accent);
}

.z483f7footer-bottom p {
    margin: 0.35rem 0;
    font-size: 0.85rem;
}

/* —— 列表/内页 —— */
.xn-page-wrap {
    padding: 2.5rem 0 3.5rem;
    min-height: 50vh;
}

.xn-page-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    box-shadow: var(--xn-shadow);
    overflow: hidden;
    max-width: 100%;
}

.listbox .e2 li:last-child {
    border-bottom: none !important;
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.listbox .e2 li {
    overflow: hidden;
}

.xn-bento-card,
.xn-faq-item,
.xn-knowledge-main,
.xn-tip-card {
    max-width: 100%;
    overflow: hidden;
}

.xn-page-card .card-body {
    padding: 1.5rem;
}

.xn-sidebar-card {
    background: var(--xn-surface);
    border: 1px solid var(--xn-border-soft);
    border-radius: var(--xn-radius);
    box-shadow: var(--xn-shadow);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.xn-sidebar-card .card-body {
    padding: 1.25rem;
}

.xn-sidebar-card h3 {
    font-size: 1rem;
    color: var(--xn-primary-deep);
    margin: 0 0 1rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--xn-border-soft);
}

.z483f7article-content {
    line-height: 1.8;
    color: var(--xn-text);
    overflow-wrap: break-word;
}

.z483f7article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.z483f7meta-tags .z483f7tagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--xn-bg-alt);
    border-radius: 6px;
    font-size: 0.85rem;
}

.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
}

/* Bootstrap 兼容 */
.z483f7container.container,
.xn-container.container {
    max-width: 1140px;
}

.bg-light {
    background: var(--xn-bg) !important;
}

/* —— 响应式 —— */
@media (max-width: 991px) {
    .z483f7hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .z483f7hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .z483f7hero-buttons {
        justify-content: center;
    }

    .xn-bento-main,
    .xn-bento-side {
        grid-column: span 6;
    }

    .xn-bento-wide {
        grid-template-columns: 1fr;
    }

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

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

    .xn-knowledge-grid {
        grid-template-columns: 1fr;
    }

    .xn-article-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .z483f7footer .row > div {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .z483f7friend-links {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .xn-section,
    .z483f7download-section,
    .z483f7security-section {
        padding: 3rem 0;
    }

    .z483f7hero-section {
        padding: 2.5rem 0 3rem;
    }

    .z483f7navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem;
        border: 1px solid var(--xn-border-soft);
        border-radius: var(--xn-radius);
        max-height: 70vh;
        overflow-y: auto;
    }

    .z483f7nav-link {
        padding: 0.5rem 0.75rem !important;
    }

    .xn-bento {
        grid-template-columns: 1fr;
    }

    .xn-bento-main,
    .xn-bento-side,
    .xn-bento-wide {
        grid-column: span 1;
    }

    .xn-download-grid {
        grid-template-columns: 1fr;
    }

    .xn-dl-head {
        flex-direction: column;
        text-align: center;
    }

    .z483f7download-action .btn {
        width: 100%;
    }

    .xn-security-grid {
        grid-template-columns: 1fr;
    }

    .xn-cert-row {
        grid-template-columns: 1fr;
    }

    .xn-faq-grid {
        grid-template-columns: 1fr;
    }

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

    .xn-article-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .z483f7hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .z483f7btn-primary,
    .z483f7btn-outline {
        width: 100%;
    }

    .z483f7thumb-home {
        height: 96px;
    }

    .z483f7thumb-list,
    .z483f7thumb-related {
        height: 72px !important;
    }

    .z483f7thumb-side {
        height: 50px !important;
    }

    .z483f7thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
    }

    .xn-page-card .card-body,
    .xn-sidebar-card .card-body {
        padding: 1rem;
    }
}

@media (max-width: 575px) {
    .xn-container,
    .z483f7container.container {
        padding: 0 1rem;
    }

    .xn-stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 0.65rem;
    }

    .z483f7stat-item {
        padding: 1rem 0.5rem;
    }

    .z483f7stat-number {
        font-size: 1.35rem;
    }

    .xn-article-grid {
        grid-template-columns: 1fr;
    }

    .z483f7thumb-home {
        height: 140px;
    }

    .z483f7thumb-cover {
        height: 150px !important;
    }
}