:root {
    --primary: #7c3aed;
    --primary-dark: #5b21b6;
    --accent: #14b8a6;
    --accent-dark: #0d9488;
    --surface: #ffffff;
    --surface-alt: #f5f3ff;
    --surface-muted: #ede9fe;
    --text: #1e1b4b;
    --text-muted: #64748b;
    --border: rgba(124, 58, 237, 0.12);
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(91, 33, 182, 0.08);
    --shadow-lg: 0 12px 40px rgba(91, 33, 182, 0.12);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --primary-color: var(--primary);
    --secondary-color: var(--primary-dark);
    --accent-color: var(--accent);
    --text-color: var(--text);
    --light-bg: var(--surface-alt);
}

*,
*::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);
    overflow-x: hidden;
}

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

/* 导航 */
.za859cnavbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.za859cnavbar-brand img {
    height: 42px;
    width: auto;
}

.za859cnav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.za859cnav-link:hover,
.za859cnav-link.active {
    color: var(--primary) !important;
    background: var(--surface-muted);
}

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

.navbar-collapse {
    background: var(--surface);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-top: 0.5rem;
    border: 1px solid var(--border);
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
        border: none;
        padding: 0;
        margin-top: 0;
    }
}

/* 通用板块 */
.za859csection {
    padding: 4.5rem 0;
    overflow: hidden;
}

.za859csection-head {
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.za859csection-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-dark);
    background: rgba(20, 184, 166, 0.12);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

.za859csection-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.za859csection-desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0;
    line-height: 1.7;
}

/* 面板（统一边框） */
.za859cpanel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
    word-wrap: break-word;
}

.za859cpanel:hover {
    box-shadow: var(--shadow-lg);
}

/* 英雄区 */
.za859chero-section {
    position: relative;
    padding: 4rem 0 4.5rem;
    color: #fff;
    overflow: hidden;
}

.za859chero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 45%, #0d9488 100%);
    z-index: 0;
}

.za859chero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(20, 184, 166, 0.35) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.za859chero-section .container {
    position: relative;
    z-index: 1;
}

.za859chero-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.za859chero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.za859chero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    opacity: 0.92;
    margin-bottom: 1.5rem;
    max-width: 36em;
}

.za859chero-subtitle strong {
    font-weight: 600;
    color: #fff;
}

.za859chero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.za859ctag {
    font-size: 0.8rem;
    padding: 0.3rem 0.75rem;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.za859chero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.za859chero-image {
    max-width: 280px;
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    margin: 0 auto;
}

.za859chero-image-shadow {
    display: none;
}

/* 按钮 */
.za859cbtn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.65rem 1.25rem;
    transition: transform var(--transition), box-shadow var(--transition);
    border: none;
    white-space: normal;
    text-align: center;
}

.za859cbtn-accent {
    background: var(--accent);
    color: #fff;
}

.za859cbtn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}

.za859cbtn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.za859cbtn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}

.za859cbtn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.za859cbtn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
}

.za859cbtn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.za859cbtn-outline:hover {
    background: var(--primary);
    color: #fff;
}

/* 特点区 */
.za859csection-features {
    background: var(--surface-alt);
}

.za859cpanel-feature h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.za859cpanel-feature p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.za859cpanel-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.za859cpanel-highlight {
    background: linear-gradient(145deg, #faf5ff, #fff);
    border-color: rgba(124, 58, 237, 0.2);
}

/* 统计 */
.za859csection-stats {
    padding: 2.5rem 0;
    background: var(--surface);
}

.za859cstats-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 0.5rem;
    margin: 0;
}

.za859cstat-item {
    text-align: center;
    padding: 0.75rem 0.5rem;
    border-right: 1px solid var(--border);
}

.za859cstats-bar > [class*="col"]:last-child .za859cstat-item,
.za859cstats-bar > .col-md-3:nth-child(4) .za859cstat-item {
    border-right: none;
}

@media (max-width: 767px) {
    .za859cstat-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem;
    }

    .za859cstats-bar > .col-6:nth-child(odd) .za859cstat-item {
        border-right: 1px solid var(--border);
    }

    .za859cstats-bar > .col-6:nth-child(2) .za859cstat-item,
    .za859cstats-bar > .col-6:nth-child(4) .za859cstat-item {
        border-right: none;
    }

    .za859cstats-bar > .col-6:nth-child(3) .za859cstat-item,
    .za859cstats-bar > .col-6:nth-child(4) .za859cstat-item {
        border-bottom: none;
    }
}

.za859cstat-number {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.za859cstat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* 下载区 */
.za859cdownload-section {
    background: var(--surface-alt);
}

.za859cdownload-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.za859cdownload-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1rem 0 0.25rem;
}

.za859cplatform-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.za859candroid-icon {
    background: linear-gradient(135deg, #3ddc84, #2bb673);
    color: #fff;
}

.za859cios-icon {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
}

.za859ccheck-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.za859ccheck-list li {
    position: relative;
    padding-left: 1.35rem;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.za859ccheck-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-dark);
    font-weight: 700;
}

.za859cdownload-note {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 安全区 */
.za859csecurity-section {
    background: var(--surface);
}

.za859csecurity-card {
    padding: 1.25rem 1.35rem;
}

.za859csecurity-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0.5rem 0 0.35rem;
}

.za859csecurity-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.55;
}

.za859csecurity-icon-inline {
    font-size: 1.35rem;
    color: var(--primary);
    display: block;
}

/* 指南 */
.za859csection-guide {
    background: linear-gradient(180deg, var(--surface-alt) 0%, var(--surface) 100%);
}

.za859cguide-title {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-top: 0.5rem;
}

.za859cguide-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.za859cguide-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.15rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.za859cstep-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.za859cguide-step strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.za859cguide-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* FAQ */
.za859csection-faq {
    background: var(--surface-alt);
}

.za859cfaq-item {
    padding: 1.15rem 1.25rem;
    height: 100%;
}

.za859cfaq-item h3 {
    color: var(--text);
}

/* 文章区 */
.za859csection-articles {
    background: var(--surface);
}

.za859carticle-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.za859carticle-card:hover {
    transform: translateY(-3px);
}

.za859cthumb-home {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.za859carticle-card .card-body {
    padding: 0.85rem;
}

.za859carticle-link {
    color: var(--text);
    font-weight: 600;
}

.za859carticle-link:hover {
    color: var(--primary);
}

/* 页脚 */
.za859cfooter {
    background: #1e1b4b;
    color: rgba(255, 255, 255, 0.75);
    padding: 3rem 0 1.5rem;
}

.za859cfooter-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.za859cfooter-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.za859cfooter-links li {
    margin-bottom: 0.5rem;
}

.za859cfooter-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.za859cfooter-link:hover {
    color: var(--accent);
}

.za859cfooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.25rem;
}

.za859cfooter-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.za859cfooter-bottom a:hover {
    color: var(--accent);
}

.za859cfriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.za859cfriend-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.88rem;
    text-decoration: none;
}

.za859cfriend-links a:hover {
    color: var(--accent);
}

/* 列表页 / 内页 */
.za859cpage-main {
    padding: 2.5rem 0 3.5rem;
    background: var(--surface-alt);
    min-height: 50vh;
}

.za859cpage-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.za859cpage-card .card-body {
    padding: 1.25rem 1.5rem;
}

.za859csidebar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.za859csidebar-card .card-body {
    padding: 1.15rem 1.25rem;
}

.za859carticle-content {
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.za859carticle-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.za859cthumb-list,
.za859cthumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.za859cthumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.za859cthumb-cover {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.za859cmeta-tags .za859ctagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--surface-muted);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.85rem;
    text-decoration: none;
}

/* 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;
}

/* 兼容旧类名 */
.za859cfeature-card,
.za859cdownload-card,
.za859csecurity-card {
    border: 1px solid var(--border);
}

.za859cstats-section {
    padding: 2.5rem 0;
}

.za859cpy-5 {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
}

/* 响应式 */
@media (max-width: 991px) {
    .za859csection {
        padding: 3.5rem 0;
    }

    .za859chero-section {
        padding: 3rem 0;
        text-align: center;
    }

    .za859chero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .za859chero-buttons {
        justify-content: center;
    }

    .za859chero-tags {
        justify-content: center;
    }

    .za859chero-visual {
        margin-top: 1.5rem;
    }
}

@media (max-width: 767px) {
    .za859cnavbar {
        padding: 0.5rem 0;
    }

    .za859cnavbar-brand img {
        height: 36px;
    }

    .navbar-collapse {
        max-height: 70vh;
        overflow-y: auto;
    }

    .za859cnavbar .navbar-nav .nav-link {
        padding: 0.5rem 0.35rem !important;
        font-size: 0.92rem;
    }

    .za859csection {
        padding: 2.75rem 0;
    }

    .za859csection-head {
        margin-bottom: 1.75rem;
    }

    .za859chero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .za859chero-buttons .btn {
        width: 100%;
    }

    .za859cpanel {
        padding: 1.15rem;
    }

    .za859chero-image {
        max-width: 220px;
    }

    .za859cthumb-home {
        height: 96px;
    }

    .za859carticle-card .card-body {
        padding: 0.75rem;
    }

    #article h3.h6,
    .za859carticle-card h3 {
        font-size: 0.92rem;
        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;
    }

    .za859cthumb-list,
    .za859cthumb-related {
        height: 72px;
    }

    .za859cthumb-side {
        height: 50px;
    }

    .za859cthumb-cover {
        max-height: 200px;
    }

    .za859cpage-card .card-body,
    .za859csidebar-card .card-body {
        padding: 1rem;
    }

    .za859cfooter {
        text-align: center;
    }

    .za859cfooter-links {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 575px) {
    .za859ccontainer.container,
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .za859cthumb-home {
        height: 88px;
    }

    .za859cthumb-list,
    .za859cthumb-related {
        height: 64px;
    }

    .za859cguide-step {
        flex-direction: column;
        gap: 0.65rem;
    }

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