/* Btok 官网 — 单文件样式 */
:root {
    --primary: #0f766e;
    --primary-dark: #0d5c56;
    --primary-light: #14b8a6;
    --accent: #ea580c;
    --accent-soft: #ffedd5;
    --bg: #f8fafc;
    --bg-alt: #ecfdf5;
    --surface: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --dark: #0f172a;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(15, 118, 110, 0.08);
    --shadow-hover: 0 12px 40px rgba(15, 118, 110, 0.14);
    --nav-h: 72px;
    --transition: 0.25s ease;
    --container: min(1140px, 100% - 2rem);
}

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

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

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

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

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

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

/* —— 布局 —— */
.z19e59container,
.container {
    width: var(--container);
    max-width: 1140px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* 首页栅格由 Bootstrap 负责，此处不覆盖 .row / .col */

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.justify-content-between { justify-content: space-between; }
.text-center, .z19e59text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-decoration-none { text-decoration: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-md-row { flex-direction: row; }
.gap-2 { gap: 0.5rem; }
.list-unstyled { list-style: none; padding: 0; margin: 0; }
.list-inline { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; list-style: none; }
.list-inline-item { display: inline-block; }
.small { font-size: 0.875rem; }
.fw-semibold { font-weight: 600; }
.h-100 { height: 100%; }
.me-2 { margin-right: 0.5rem; }
.me-3 { margin-right: 1rem; }
.mb-0, .z19e59mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2, .z19e59mb-2 { margin-bottom: 0.5rem; }
.mb-3, .z19e59mb-3 { margin-bottom: 1rem; }
.mb-4, .z19e59mb-4 { margin-bottom: 1.5rem; }
.mb-5, .z19e59mb-5 { margin-bottom: 3rem; }
.mt-3 { margin-top: 1rem; }
.mt-4, .z19e59mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.py-5, .z19e59py-5 { padding-top: 4rem; padding-bottom: 4rem; }
.p-4 { padding: 1.5rem; }
.bg-light { background: var(--bg); }
.shadow-sm { box-shadow: var(--shadow); }
.rounded { border-radius: var(--radius); }
.img-fluid { max-width: 100%; height: auto; }
.border-bottom { border-bottom: 1px solid var(--border); }
.pb-3 { padding-bottom: 1rem; }

/* —— 导航 —— */
.z19e59navbar,
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.z19e59navbar .container,
.z19e59navbar .z19e59container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.z19e59navbar-brand img,
.navbar-brand img {
    height: 42px;
    width: auto;
}

.navbar-toggler,
.z19e59navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    background: var(--surface);
    cursor: pointer;
}

.navbar-toggler-icon {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231e293b' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") center/100% no-repeat;
}

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
}

@media (min-width: 992px) {
    .navbar-expand-lg .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
        justify-content: flex-end;
    }
    .navbar-expand-lg .navbar-toggler {
        display: none;
    }
}

.z19e59navbar-nav,
.navbar-nav {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0.75rem 0;
    gap: 0.15rem;
}

@media (min-width: 992px) {
    .z19e59navbar-nav,
    .navbar-nav {
        flex-direction: row;
        align-items: center;
        padding: 0;
        gap: 0.25rem;
    }
}

.z19e59nav-link,
.nav-link {
    display: block;
    padding: 0.5rem 0.85rem !important;
    color: var(--text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.z19e59nav-link:hover,
.nav-link:hover {
    color: var(--primary) !important;
    background: var(--bg-alt);
}

/* —— 首页 Hero —— */
.z19e59hero-section,
.hero-section {
    position: relative;
    padding: 4.5rem 0 5rem;
    background: linear-gradient(160deg, var(--dark) 0%, #134e4a 55%, var(--primary-dark) 100%);
    color: #fff;
    overflow: hidden;
}

.z19e59hero-section::after {
    content: "";
    position: absolute;
    right: -10%;
    top: 20%;
    width: 50%;
    max-width: 420px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.z19e59hero-content,
.hero-content {
    position: relative;
    z-index: 1;
}

.z19e59hero-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.z19e59hero-title,
.hero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 1rem;
}

.z19e59hero-subtitle,
.hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.92;
    max-width: 36em;
    margin-bottom: 1.75rem;
}

.z19e59hero-buttons,
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z19e59hero-image-container,
.hero-image-container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.z19e59hero-image,
.hero-image {
    max-width: 280px;
    border-radius: var(--radius-lg);
    border: 3px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.z19e59hero-image-shadow { display: none; }

/* —— 按钮 —— */
.btn,
.z19e59btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.35rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-lg {
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.35);
}

.btn-light {
    background: #fff;
    color: var(--primary-dark);
}

.btn-light:hover {
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

/* —— 区块标题 —— */
.z19e59section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.z19e59section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--dark);
    margin: 0 0 0.75rem;
    font-weight: 700;
}

.z19e59section-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1rem;
}

.z19e59section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* —— 产品优势 #features —— */
#features {
    padding: 4.5rem 0;
    background: var(--surface);
}

.z19e59feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .z19e59feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.z19e59feature-card,
.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    height: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.z19e59feature-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-hover);
}

.z19e59feature-icon,
.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
}

.z19e59feature-card h3 {
    font-size: 1.15rem;
    margin: 0 0 0.65rem;
    color: var(--dark);
}

.z19e59feature-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* —— 知识介绍 —— */
.z19e59about-section {
    padding: 4.5rem 0;
    background: var(--bg-alt);
}

.z19e59about-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 992px) {
    .z19e59about-panel {
        grid-template-columns: 1fr 1.1fr;
    }
}

.z19e59about-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.z19e59about-card h3 {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    color: var(--primary-dark);
}

.z19e59about-card p,
.z19e59about-card li {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.z19e59about-card ul {
    margin: 0;
    padding-left: 1.2rem;
}

.z19e59about-card li:last-child,
.z19e59about-card p:last-child {
    margin-bottom: 0;
}

/* —— 统计 #stats —— */
.z19e59stats-section,
.stats-section {
    padding: 3.5rem 0;
    background: var(--dark);
    color: #fff;
}

.z19e59stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .z19e59stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.z19e59stat-item,
.stat-item {
    text-align: center;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
}

.z19e59stat-number,
.stat-number {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 0.35rem;
}

.z19e59stat-label,
.stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* —— 下载 #download —— */
.z19e59download-section,
.download-section {
    padding: 4.5rem 0;
    background: var(--surface);
}

.z19e59download-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .z19e59download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .z19e59download-grid.z19e59download-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.z19e59download-card,
.download-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.z19e59download-card:hover {
    box-shadow: var(--shadow-hover);
}

.z19e59download-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.z19e59platform-icon,
.platform-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
}

.z19e59ios-icon,
.z19e59pc-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.z19e59android-icon,
.android-icon {
    background: linear-gradient(135deg, #22c55e, #15803d);
}

.z19e59mobile-icon {
    background: linear-gradient(135deg, var(--accent), #c2410c);
}

.z19e59download-card h3 {
    margin: 0 0 0.2rem;
    font-size: 1.1rem;
    color: var(--dark);
}

.z19e59download-info,
.download-info {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 1.25rem;
}

.z19e59info-item,
.info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    word-break: break-word;
}

.z19e59info-item:last-child {
    margin-bottom: 0;
}

.z19e59info-item i {
    color: var(--primary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.z19e59download-action .btn {
    width: 100%;
}

/* —— 安全 #security —— */
.z19e59security-section,
.security-section {
    padding: 4.5rem 0;
    background: var(--bg);
}

.z19e59security-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 576px) {
    .z19e59security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .z19e59security-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.z19e59security-card,
.security-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 100%;
    text-align: center;
    overflow: hidden;
}

.z19e59security-icon,
.security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--bg-alt);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.z19e59security-card h3 {
    font-size: 1.05rem;
    margin: 0 0 1rem;
    color: var(--dark);
}

.z19e59security-features,
.security-features {
    text-align: left;
    background: var(--bg);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
}

.z19e59feature-item,
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.z19e59feature-item:last-child {
    margin-bottom: 0;
}

.z19e59feature-item i {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.z19e59security-certificates {
    margin-top: 2.5rem;
}

.z19e59cert-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .z19e59cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.z19e59certificate-card,
.certificate-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    height: 100%;
}

.z19e59certificate-icon,
.certificate-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.85rem;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.z19e59certificate-card h4 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    color: var(--dark);
}

.z19e59certificate-card p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* —— FAQ #faq —— */
#faq {
    padding: 4.5rem 0;
    background: var(--surface);
}

.z19e59faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .z19e59faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.z19e59faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    height: 100%;
    overflow: hidden;
}

.z19e59faq-item h5 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    color: var(--dark);
}

.z19e59faq-item p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* —— 文章 #article —— */
#article {
    padding: 4rem 0;
    background: var(--bg);
}

.card-img-top {
    width: 100%;
    object-fit: cover;
}

#article .card,
.z19e59page-main .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 0;
}

#article .card-body {
    padding: 1rem;
}

.z19e59thumb-home {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

#article h3.h5 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin: 0;
}

#article h3.h5 a {
    color: var(--dark);
}

#article h3.h5 a:hover {
    color: var(--primary);
}


/* —— 页脚 —— */
.z19e59footer,
.footer {
    background: var(--dark);
    color: #94a3b8;
    padding: 3.5rem 0 1.5rem;
}

.z19e59footer .z19e59footer-title,
.footer-title {
    color: #fff;
    font-size: 1rem;
    margin: 0 0 1rem;
    font-weight: 600;
}

.z19e59footer-links,
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z19e59footer-links li {
    margin-bottom: 0.5rem;
}

.z19e59footer-link,
.footer-link {
    color: #94a3b8;
}

.z19e59footer-link:hover {
    color: var(--primary-light);
}

.z19e59friend-links,
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z19e59friend-links a {
    color: #94a3b8;
    font-size: 0.9rem;
}

.z19e59footer-bottom,
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.88rem;
}

.z19e59footer-bottom a {
    color: #cbd5e1;
}

.z19e59footer-bottom p {
    margin: 0.35rem 0;
}

/* —— 列表页 / 内页 —— */
.z19e59page-main {
    padding: 2.5rem 0 4rem;
    min-height: 50vh;
}

.z19e59page-main .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.z19e59page-main .card-body {
    padding: 1.5rem;
}

.z19e59page-header h1 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem;
    color: var(--dark);
}

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

.z19e59thumb-list,
.z19e59thumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
    border-radius: var(--radius);
}

.z19e59thumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
    border-radius: 8px;
}

.z19e59thumb-cover {
    max-width: 100%;
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius);
}

.z19e59article-content {
    line-height: 1.75;
    overflow-wrap: break-word;
}

.z19e59article-content img {
    max-width: 100%;
    height: auto;
}

.z19e59meta-tags a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--bg-alt);
    border-radius: 6px;
    font-size: 0.85rem;
}

.pagebar .pagelist,
.z19e59pages .pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

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

/* —— 响应式 —— */
@media (max-width: 991px) {
    .z19e59hero-section {
        padding: 3rem 0 3.5rem;
    }

    .z19e59hero-image-container {
        margin-top: 2rem;
    }

    .z19e59footer .row > [class*="col-md-3"] {
        text-align: center;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 767px) {
    .py-5, .z19e59py-5,
    #features,
    .z19e59about-section,
    .z19e59download-section,
    .z19e59security-section,
    #faq,
    #article {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    .z19e59hero-buttons {
        flex-direction: column;
    }

    .z19e59hero-buttons .btn {
        width: 100%;
    }

    .z19e59download-card-head {
        flex-wrap: wrap;
    }

    .z19e59download-card-head .ms-3 {
        margin-left: 0 !important;
        width: 100%;
    }

    .z19e59navbar .navbar-collapse {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 0.75rem;
        margin-top: 0.5rem;
        max-height: 70vh;
        overflow-y: auto;
    }

    .listbox .e2 li .row {
        flex-direction: column;
    }

    .z19e59thumb-list,
    .z19e59thumb-related {
        height: 140px !important;
        margin-bottom: 0.75rem;
    }

    .z19e59thumb-home {
        height: 100px !important;
    }

    .z19e59thumb-cover {
        height: 180px !important;
    }

    .z19e59page-main .card-body {
        padding: 1rem;
    }

    aside .d-flex.gap-2 {
        flex-direction: column;
    }

    aside .d-flex.gap-2 {
        align-items: flex-start;
    }
}

@media (max-width: 575px) {
    .z19e59stats-grid {
        grid-template-columns: 1fr;
    }

    .z19e59stat-item {
        padding: 0.85rem;
    }

    .btn {
        white-space: normal;
        text-align: center;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
        font-size: 0.9rem;
    }
}

/* Bootstrap collapse 兼容 */
.collapse:not(.show) {
    display: none;
}

@media (min-width: 992px) {
    .navbar-expand-lg .collapse:not(.show) {
        display: flex !important;
    }
}

.card-body { padding: 1rem; }
.h3 { font-size: 1.35rem; }
.h5 { font-size: 1.1rem; }