/* Ledger 主题 — 炭灰 + 琥珀金，与旧版蓝色渐变区分 */
:root {
    --primary: #1a1d26;
    --primary-soft: #2a2f3d;
    --accent: #c9a227;
    --accent-hover: #dbb84a;
    --surface: #f4f3ef;
    --surface-card: #ffffff;
    --text: #2c2e34;
    --text-muted: #5c6370;
    --border: rgba(26, 29, 38, 0.1);
    --radius: 12px;
    --radius-lg: 18px;
    --shadow: 0 8px 24px rgba(26, 29, 38, 0.08);
    --nav-h: 72px;
    --transition: 0.25s ease;
}

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

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    color: var(--text);
    line-height: 1.65;
    background: var(--surface);
    padding-top: var(--nav-h);
    overflow-x: hidden;
}

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

/* 导航 */
.zb9128navbar {
    background: var(--primary);
    padding: 0.65rem 0;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
}

.zb9128navbar-brand img {
    height: 40px;
    width: auto;
}

.zb9128nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding: 0.45rem 0.85rem !important;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}

.zb9128nav-link:hover,
.zb9128nav-link.active {
    color: var(--accent) !important;
    background: rgba(201, 162, 39, 0.12);
}

.zb9128navbar-toggler {
    border-color: rgba(255, 255, 255, 0.35);
}

.zb9128navbar .navbar-collapse {
    background: var(--primary);
    border-radius: var(--radius);
}

@media (max-width: 991px) {
    .zb9128navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.5rem 0.25rem 0.75rem;
        max-height: 70vh;
        overflow-y: auto;
    }

    .zb9128nav-link {
        padding: 0.5rem 0.5rem !important;
    }
}

/* 主内容区 */
.zb9128main {
    overflow-x: hidden;
}

.zb9128section {
    padding: 4rem 0;
}

.zb9128section-head {
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.zb9128section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.zb9128section-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1.05rem;
}

/* 英雄区 — 斜切背景，非旧版全宽蓝渐变 */
.zb9128hero-section {
    background: var(--primary);
    color: #fff;
    padding: 3.5rem 0 4rem;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.zb9128hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(201, 162, 39, 0.45);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.zb9128hero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.zb9128hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 520px;
    margin-bottom: 1.75rem;
}

.zb9128hero-visual {
    background: var(--primary-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    overflow: hidden;
}

.zb9128hero-image {
    max-width: 280px;
    width: 100%;
    margin: 0 auto;
    border-radius: var(--radius);
    object-fit: contain;
}

.zb9128hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* 按钮 */
.zb9128btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.65rem 1.35rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    white-space: normal;
    text-align: center;
}

.zb9128btn-primary {
    background: var(--accent);
    color: var(--primary);
    border: none;
}

.zb9128btn-primary:hover {
    background: var(--accent-hover);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(201, 162, 39, 0.35);
}

.zb9128btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.zb9128btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(201, 162, 39, 0.08);
}

/* Bento 特色区 */
.zb9128features-section {
    background: var(--surface-card);
}

.zb9128bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 100%;
}

.zb9128bento-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
    word-wrap: break-word;
}

.zb9128bento-item:hover {
    border-color: rgba(201, 162, 39, 0.35);
    box-shadow: var(--shadow);
}

.zb9128bento-wide {
    grid-column: span 2;
}

.zb9128bento-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--primary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.zb9128bento-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.zb9128bento-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

/* 介绍面板 */
.zb9128intro-panel {
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.zb9128intro-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent);
}

.zb9128intro-panel p {
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 0.85rem;
    font-size: 0.98rem;
}

.zb9128intro-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zb9128intro-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.zb9128intro-list i {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

/* 统计条 */
.zb9128stats-section {
    padding: 2.5rem 0;
    background: linear-gradient(90deg, var(--accent) 0%, #a88b1f 100%);
    color: var(--primary);
}

.zb9128stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    text-align: center;
}

.zb9128stat-number {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
}

.zb9128stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.85;
}

/* 下载卡片 */
.zb9128download-section {
    background: var(--surface);
}

.zb9128download-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.zb9128download-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.zb9128download-card-head h3 {
    font-size: 1.15rem;
    margin: 0 0 0.15rem;
    color: var(--primary);
}

.zb9128download-card-head p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.zb9128platform-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
}

.zb9128win-icon {
    background: #3d5a80;
}

.zb9128android-icon {
    background: #2d6a4f;
}

.zb9128download-points {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    flex-grow: 1;
}

.zb9128download-points li {
    position: relative;
    padding: 0.35rem 0 0.35rem 1.25rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.zb9128download-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* 安全卡片 */
.zb9128security-section {
    background: var(--surface-card);
}

.zb9128security-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    text-align: center;
    transition: box-shadow var(--transition);
    overflow: hidden;
}

.zb9128security-card:hover {
    box-shadow: var(--shadow);
}

.zb9128security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--primary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.zb9128security-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.zb9128security-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

.zb9128certificate-card {
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.zb9128certificate-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.zb9128certificate-card p {
    font-size: 0.88rem;
    margin: 0;
    opacity: 0.9;
}

/* FAQ */
.zb9128faq-section {
    background: var(--surface);
}

.zb9128faq-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    height: 100%;
    overflow: hidden;
}

.zb9128faq-card h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.zb9128faq-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* 文章区 */
.zb9128article-section {
    background: var(--surface-card);
    border-top: 1px solid var(--border);
}

.zb9128article-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: none;
    transition: box-shadow var(--transition);
}

.zb9128article-card:hover {
    box-shadow: var(--shadow);
}

.zb9128thumb-home {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.zb9128article-link {
    color: var(--primary);
    font-weight: 500;
}

.zb9128article-link:hover {
    color: var(--accent-hover);
}

/* 页脚 */
.zb9128footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.zb9128footer-desc {
    font-size: 0.9rem;
    opacity: 0.85;
    max-width: 320px;
}

.zb9128footer-title {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.zb9128footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zb9128footer-links li {
    margin-bottom: 0.5rem;
}

.zb9128footer-link {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.9rem;
}

.zb9128footer-link:hover {
    color: var(--accent);
}

.zb9128friend-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.zb9128friend-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.88rem;
    text-decoration: none;
}

.zb9128friend-links a:hover {
    color: var(--accent);
}

.zb9128footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.88rem;
}

.zb9128footer-bottom a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.zb9128footer-bottom a:hover {
    color: var(--accent);
}

/* 列表页 / 内页 */
.zb9128page-header {
    background: var(--primary);
    color: #fff;
    padding: 2rem 0;
    margin-bottom: 0;
}

.zb9128page-header h1 {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    margin-bottom: 0.5rem;
}

.zb9128page-header p {
    opacity: 0.85;
    margin: 0;
    font-size: 0.95rem;
}

.zb9128content-section {
    padding: 2.5rem 0 3rem;
}

.zb9128content-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-card);
    box-shadow: var(--shadow);
}

.zb9128content-card .card-body {
    padding: 1.5rem;
}

.zb9128sidebar-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-card);
    overflow: hidden;
    margin-bottom: 1rem;
}

.zb9128sidebar-card .card-body {
    padding: 1.25rem;
}

.zb9128sidebar-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
}

.zb9128article-content {
    overflow-wrap: break-word;
    word-break: break-word;
}

.zb9128article-content img {
    max-width: 100%;
    height: auto;
}

.zb9128meta-tags .list-inline-item a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--surface);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--primary);
    text-decoration: none;
}

.zb9128thumb-list,
.zb9128thumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
    border-radius: 8px;
}

.zb9128thumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
    border-radius: 6px;
}

.zb9128thumb-cover {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius);
}

/* 分页 */
.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
    margin: 0;
}

/* ========== 响应式 ========== */
@media (max-width: 991px) {
    :root {
        --nav-h: 64px;
    }

    .zb9128bento-grid {
        grid-template-columns: 1fr;
    }

    .zb9128bento-wide {
        grid-column: span 1;
    }

    .zb9128stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .zb9128hero-section {
        clip-path: none;
        padding-bottom: 3rem;
    }

    .zb9128hero-visual {
        margin-top: 0.5rem;
    }
}

@media (max-width: 767px) {
    body {
        padding-top: 58px;
    }

    .zb9128section {
        padding: 2.75rem 0;
    }

    .zb9128section-head {
        margin-bottom: 1.75rem;
    }

    .zb9128hero-section {
        padding: 2rem 0 2.5rem;
    }

    .zb9128hero-buttons {
        flex-direction: column;
    }

    .zb9128hero-buttons .zb9128btn {
        width: 100%;
    }

    .zb9128intro-panel {
        padding: 1.35rem 1.15rem;
    }

    .zb9128download-card {
        padding: 1.15rem;
    }

    .zb9128download-card-head {
        flex-direction: row;
    }

    .zb9128stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .zb9128stat-item {
        padding: 0.25rem;
    }

    .zb9128thumb-home {
        height: 96px;
    }

    #article h3.h6,
    #article .h6 {
        font-size: 0.9rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        line-height: 1.35;
    }

    .zb9128thumb-list,
    .zb9128thumb-related {
        height: 72px !important;
    }

    .zb9128thumb-side {
        height: 50px !important;
    }

    .zb9128content-card .card-body {
        padding: 1rem;
    }

    .zb9128footer {
        text-align: center;
    }

    .zb9128footer-desc {
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .zb9128friend-links {
        justify-content: center;
    }
}

@media (max-width: 575px) {
    .zb9128stats-grid {
        grid-template-columns: 1fr;
    }

    .zb9128stat-number {
        font-size: 1.65rem;
    }

    .zb9128thumb-home {
        height: 88px;
    }

    .zb9128thumb-list,
    .zb9128thumb-related {
        height: 64px !important;
    }

    .zb9128thumb-cover {
        max-height: 200px;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
    }
}

/* 防止 Bootstrap 卡片边框撑破容器 */
.card,
.zb9128bento-item,
.zb9128download-card,
.zb9128security-card,
.zb9128faq-card {
    max-width: 100%;
}

.row {
    margin-left: calc(var(--bs-gutter-x, 1.5rem) * -0.5);
    margin-right: calc(var(--bs-gutter-x, 1.5rem) * -0.5);
}

.container,
.zb9128container {
    overflow-x: hidden;
}