:root {
    --primary-color: #7c3aed;
    --primary-dark: #5b21b6;
    --primary-light: #a78bfa;
    --accent-color: #14b8a6;
    --accent-dark: #0f766e;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --light-bg: #f8fafc;
    --surface: #ffffff;
    --border-color: #e2e8f0;
    --hero-bg: linear-gradient(135deg, #4c1d95 0%, #7c3aed 45%, #14b8a6 100%);
    --transition-speed: 0.25s;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 8px 24px rgba(76, 29, 149, 0.12);
    --container-max: 1140px;
}

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

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

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

html {
    scroll-behavior: smooth;
}

/* —— 导航 —— */
.safew-nav.zf0b99navbar,
.zf0b99navbar {
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.zf0b99navbar-brand img {
    height: 42px;
    width: auto;
}

.zf0b99nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: color var(--transition-speed), background var(--transition-speed);
}

.zf0b99nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(124, 58, 237, 0.08);
}

/* —— Hero —— */
.safew-hero {
    background: var(--hero-bg);
    color: #fff;
    padding: clamp(3rem, 8vw, 5.5rem) 0;
    position: relative;
    overflow: hidden;
}

.safew-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.35), transparent 50%);
    pointer-events: none;
}

.safew-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.safew-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-bottom: 1rem;
}

.safew-hero-title {
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.safew-hero-lead {
    font-size: 1.05rem;
    opacity: 0.92;
    max-width: 520px;
    margin-bottom: 1.75rem;
}

.safew-hero-lead strong {
    font-weight: 600;
    color: #fff;
}

.safew-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.safew-btn-primary {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.safew-btn-primary:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(20, 184, 166, 0.35);
}

.safew-btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.7);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.safew-btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: #fff;
}

.safew-btn-ghost {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: none;
    padding: 0.65rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.safew-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.safew-btn-outline-sm {
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.safew-hero-visual {
    display: flex;
    justify-content: center;
}

.safew-hero-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    max-width: 320px;
    width: 100%;
}

.safew-hero-img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: contain;
}

/* —— 通用区块 —— */
.safew-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
}

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

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

.safew-section-head p {
    color: var(--text-muted);
    margin: 0;
}

.safew-section-head-light h2 {
    color: #fff;
}

.safew-section-head-light p {
    color: rgba(255, 255, 255, 0.85);
}

/* —— Bento 特性 —— */
.safew-features {
    background: var(--surface);
}

.safew-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.safew-bento-item {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    overflow: hidden;
    min-height: 0;
}

.safew-bento-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.safew-bento-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.safew-bento-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.safew-bento-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.safew-bento-large {
    grid-column: span 1;
    grid-row: span 2;
}

.safew-bento-wide {
    grid-column: span 2;
}

/* —— 统计条 —— */
.safew-stats {
    background: var(--primary-dark);
    color: #fff;
    padding: 2rem 0;
}

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

.safew-stat strong {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--accent-color);
}

.safew-stat span {
    font-size: 0.9rem;
    opacity: 0.88;
}

/* —— 下载区 —— */
.safew-download {
    background: linear-gradient(160deg, var(--primary-dark), var(--primary-color));
    color: #fff;
}

.safew-dl-card {
    background: var(--surface);
    color: var(--text-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    height: 100%;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.safew-dl-featured {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.25);
}

.safew-dl-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--accent-color);
    color: #fff;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
}

.safew-dl-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.safew-dl-ios { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.safew-dl-android { background: linear-gradient(135deg, #22c55e, #16a34a); }
.safew-dl-pc { background: linear-gradient(135deg, #0ea5e9, #0284c7); }

.safew-dl-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.safew-dl-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    flex-grow: 0;
}

.safew-dl-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.safew-dl-list li {
    padding: 0.25rem 0 0.25rem 1.1rem;
    position: relative;
}

.safew-dl-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.75rem;
}

.safew-dl-card .safew-btn-primary {
    margin-top: auto;
    justify-content: center;
    width: 100%;
}

/* —— 安全卡片 —— */
.safew-security {
    background: var(--light-bg);
}

.safew-sec-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    height: 100%;
    text-align: center;
    transition: box-shadow var(--transition-speed);
}

.safew-sec-card:hover {
    box-shadow: var(--shadow-md);
}

.safew-sec-card i {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.safew-sec-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.safew-sec-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* —— 百科 —— */
.safew-knowledge {
    background: var(--surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.safew-knowledge-title {
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.safew-knowledge-intro {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.safew-tip-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.safew-tip {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.15rem;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.safew-tip-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 8px;
}

.safew-tip h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.safew-tip p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* —— FAQ —— */
.safew-faq {
    background: var(--light-bg);
}

.safew-faq-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.35rem;
    height: 100%;
}

.safew-faq-card h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.safew-faq-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

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

.safew-articles-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

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

.safew-article-card:hover {
    box-shadow: var(--shadow-md);
}

.safew-article-thumb {
    display: block;
    overflow: hidden;
}

.zf0b99thumb-home {
    width: 100%;
    height: 110px;
    object-fit: cover;
}

.safew-article-body {
    padding: 0.75rem;
    flex: 1;
    min-width: 0;
}

.safew-article-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.safew-article-body h3 {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.safew-article-body h3 a {
    color: var(--text-color);
    text-decoration: none;
}

.safew-article-body h3 a:hover {
    color: var(--primary-color);
}

/* —— 页脚 —— */
.safew-footer.zf0b99footer,
.zf0b99footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 3rem 0 1.5rem;
}

.zf0b99footer-title {
    color: #e2e8f0;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.zf0b99footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zf0b99footer-links li {
    margin-bottom: 0.5rem;
}

.zf0b99footer-link {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-speed);
}

.zf0b99footer-link:hover {
    color: var(--accent-color);
}

.safew-footer-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    max-width: 280px;
}

.zf0b99friend-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.zf0b99friend-links a {
    color: #94a3b8;
    font-size: 0.85rem;
    text-decoration: none;
}

.zf0b99friend-links a:hover {
    color: var(--accent-color);
}

.zf0b99footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1.25rem;
    font-size: 0.85rem;
}

.zf0b99footer-bottom a {
    color: #cbd5e1;
    text-decoration: none;
}

.zf0b99footer-bottom a:hover {
    color: var(--accent-color);
}

/* —— 列表/内页 —— */
.zf0b99py-5 {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
}

.safew-inner-page .card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.safew-inner-page .card-body {
    padding: 1.25rem;
}

.zf0b99article-content {
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.zf0b99article-content img {
    max-width: 100%;
    height: auto;
}

.zf0b99meta-tags .zf0b99tagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
}

.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) {
    .safew-hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .safew-hero-lead {
        margin-left: auto;
        margin-right: auto;
    }

    .safew-hero-cta {
        justify-content: center;
    }

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

    .safew-bento-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .safew-bento-wide {
        grid-column: span 2;
    }

    .safew-stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 767px) {
    .zf0b99navbar {
        padding: 0.5rem 0;
    }

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

    .zf0b99nav-link {
        padding: 0.5rem 0.75rem !important;
    }

    .safew-hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .safew-hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

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

    .safew-bento-large,
    .safew-bento-wide {
        grid-column: span 1;
    }

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

  .safew-dl-card {
        padding: 1.15rem;
    }

    .zf0b99thumb-home {
        height: 96px;
    }

    .safew-article-body h3 {
        font-size: 0.8rem;
    }

    .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;
    }

    .zf0b99thumb-list,
    .zf0b99thumb-related {
        height: 72px !important;
    }

    .zf0b99thumb-side {
        height: 50px !important;
    }

    .zf0b99thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
    }

    .safew-footer .row > [class*="col-"] {
        text-align: center;
    }

    .safew-footer-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .zf0b99friend-links {
        justify-content: center;
    }
}

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

    #article .row-cols-2 > .col {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .zf0b99thumb-home {
        height: 140px;
    }

    .zf0b99thumb-list,
    .zf0b99thumb-related {
        height: 64px !important;
    }

    .zf0b99thumb-cover {
        height: 150px !important;
    }

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

.zf0b99thumb-cover {
    max-width: 100%;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.zf0b99thumb-list,
.zf0b99thumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
}

.zf0b99thumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
}

/* 兼容旧类名（CMS 可能引用） */
.zf0b99container { max-width: var(--container-max); }
.zf0b99btn { border-radius: var(--radius-sm); }