:root {
    --primary: #6d28d9;
    --primary-dark: #4c1d95;
    --accent: #0d9488;
    --accent-light: #ccfbf1;
    --text: #1e293b;
    --text-muted: #64748b;
    --surface: #ffffff;
    --bg: #f8fafc;
    --bg-alt: #f1f5f9;
    --border: #e2e8f0;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 12px 32px rgba(109, 40, 217, 0.12);
    --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", 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);
}

/* 导航 */
.z63f10navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0;
}

.z63f10navbar-brand img {
    height: 42px;
    width: auto;
}

.z63f10nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.z63f10nav-link:hover {
    color: var(--primary) !important;
    background: rgba(109, 40, 217, 0.08);
}

.z63f10navbar .navbar-collapse {
    background: transparent;
    box-shadow: none;
    padding: 0;
}

/* 首屏 */
.z63f10hero-section {
    position: relative;
    padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(3rem, 6vw, 4.5rem);
    background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary) 45%, #7c3aed 100%);
    color: #fff;
    overflow: hidden;
}

.z63f10hero-section::after {
    content: "";
    position: absolute;
    right: -15%;
    top: -30%;
    width: 55%;
    height: 140%;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.35) 0%, transparent 65%);
    pointer-events: none;
}

.z63f10hero-content {
    position: relative;
    z-index: 1;
}

.z63f10hero-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    margin-bottom: 1.25rem;
}

.z63f10hero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.z63f10hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    opacity: 0.92;
    max-width: 540px;
    margin-bottom: 1.75rem;
}

.z63f10hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z63f10hero-buttons .btn {
    padding: 0.7rem 1.35rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
}

.z63f10hero-buttons .btn-light {
    background: #fff;
    color: var(--primary-dark);
}

.z63f10hero-buttons .btn-light:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.z63f10hero-buttons .btn-primary,
.z63f10btn-primary {
    background: var(--accent);
    color: #fff;
}

.z63f10hero-buttons .btn-primary:hover,
.z63f10btn-primary:hover {
    background: #0f766e;
    color: #fff;
    transform: translateY(-2px);
}

.z63f10hero-image-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.z63f10hero-image {
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
    object-fit: contain;
}

.z63f10hero-image-shadow {
    display: none;
}

/* 区块通用 */
.z63f10section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.z63f10section-alt {
    background: var(--bg-alt);
}

.z63f10section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 2.5rem;
}

.z63f10section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.z63f10section-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1.05rem;
}

/* 特点 */
.z63f10feature-card {
    height: 100%;
    padding: 1.75rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.z63f10feature-card:hover {
    border-color: rgba(109, 40, 217, 0.35);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.z63f10feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    background: rgba(109, 40, 217, 0.1);
    border-radius: 14px;
}

.z63f10feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.65rem;
}

.z63f10feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* 数据条 */
.z63f10stats-section {
    padding: clamp(2.5rem, 5vw, 3.5rem) 0;
    background: linear-gradient(90deg, var(--primary-dark), var(--primary));
    color: #fff;
}

.z63f10stat-item {
    text-align: center;
    padding: 0.5rem;
}

.z63f10stat-number {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
}

.z63f10stat-label {
    font-size: 0.95rem;
    opacity: 0.88;
    margin-top: 0.25rem;
}

/* 下载 */
.z63f10download-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    background: var(--surface);
}

.z63f10download-card {
    height: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.z63f10download-card:hover {
    border-color: rgba(13, 148, 136, 0.45);
    box-shadow: var(--shadow-hover);
}

.z63f10download-card .card-body {
    padding: 1.5rem;
}

.z63f10platform-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
}

.z63f10ios-icon {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.z63f10android-icon {
    background: linear-gradient(135deg, var(--accent), #059669);
}

.z63f10download-info {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.15rem;
    margin-bottom: 1.25rem;
}

.z63f10info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.55rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.z63f10info-item:last-child {
    margin-bottom: 0;
}

.z63f10info-item i {
    color: var(--accent);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.z63f10download-action .btn {
    width: 100%;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    background: var(--primary);
    border: none;
    color: #fff;
    white-space: normal;
}

.z63f10download-action .btn:hover {
    background: var(--primary-dark);
    color: #fff;
}

/* 安全 */
.z63f10security-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    background: var(--bg-alt);
}

.z63f10security-card {
    height: 100%;
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.z63f10security-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    margin-bottom: 1rem;
}

.z63f10security-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.z63f10security-features {
    border-top: 1px solid var(--border);
    padding-top: 0.85rem;
}

.z63f10feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.45rem;
}

.z63f10feature-item i {
    color: var(--accent);
    margin-top: 0.2rem;
}

.z63f10certificate-card {
    height: 100%;
    padding: 1.35rem 1.25rem;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.z63f10certificate-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 0.85rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(109, 40, 217, 0.12);
    color: var(--primary);
    font-size: 1.1rem;
}

.z63f10certificate-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.z63f10certificate-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

/* 知识条 */
.z63f10knowledge-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.z63f10knowledge-item {
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
}

.z63f10knowledge-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.z63f10knowledge-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* FAQ */
.z63f10faq-card {
    height: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: none;
    overflow: hidden;
}

.z63f10faq-card .card-body {
    padding: 1.25rem 1.35rem;
}

.z63f10faq-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.z63f10faq-card .card-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin: 0;
}

/* 文章区 */
#article {
    background: var(--surface);
}

#article .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.z63f10thumb-home {
    height: 120px;
    width: 100%;
    object-fit: cover;
}

/* 页脚 */
.z63f10footer {
    background: #0f172a;
    color: #94a3b8;
    padding: clamp(2.5rem, 5vw, 3.5rem) 0 1.5rem;
}

.z63f10footer-title {
    color: #f1f5f9;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.z63f10footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z63f10footer-links li {
    margin-bottom: 0.5rem;
}

.z63f10footer-link {
    color: #94a3b8;
    font-size: 0.92rem;
}

.z63f10footer-link:hover {
    color: #fff;
}

.z63f10footer p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.z63f10footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1.25rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.88rem;
}

.z63f10footer-bottom a {
    color: #cbd5e1;
}

.z63f10friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z63f10friend-links a {
    color: #94a3b8;
    font-size: 0.88rem;
}

/* 列表/内页 */
.z63f10page-main .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.z63f10article-content {
    font-size: 1rem;
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.z63f10article-content img {
    max-width: 100%;
    height: auto;
}

.z63f10meta-tags .z63f10tagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--bg-alt);
    border-radius: 6px;
    font-size: 0.85rem;
}

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

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

.btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* 响应式 */
@media (max-width: 991px) {
    .z63f10knowledge-strip {
        grid-template-columns: 1fr;
    }

    .z63f10hero-image-container {
        margin-top: 2rem;
    }
}

@media (max-width: 767px) {
    .z63f10navbar {
        padding: 0.5rem 0;
    }

    .z63f10navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        max-height: 70vh;
        overflow-y: auto;
    }

    .z63f10nav-link {
        padding: 0.5rem 0.75rem !important;
    }

    .z63f10hero-buttons {
        flex-direction: column;
    }

    .z63f10hero-buttons .btn {
        width: 100%;
    }

    .z63f10download-card .d-flex.align-items-center {
        flex-wrap: wrap;
    }

    .z63f10download-card .d-flex.align-items-center .ms-3 {
        margin-left: 0 !important;
        margin-top: 0.5rem;
        width: 100%;
    }

    .z63f10security-card,
    .z63f10feature-card,
    .z63f10certificate-card {
        margin-bottom: 0;
    }

    .z63f10thumb-home {
        height: 96px !important;
    }

    #article h3.h5 {
        font-size: 0.95rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

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

    .z63f10thumb-list,
    .z63f10thumb-related {
        height: 72px !important;
    }

    .z63f10thumb-side {
        height: 50px !important;
    }

    .z63f10thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
    }
}

@media (max-width: 575px) {
    .z63f10navbar-brand img {
        height: 36px;
    }

    .z63f10stat-item {
        padding: 0.75rem 0;
    }

    .z63f10download-card .card-body {
        padding: 1.15rem;
    }

    .z63f10thumb-home {
        height: 88px !important;
    }

    .z63f10thumb-list,
    .z63f10thumb-related {
        height: 64px !important;
    }

    .z63f10thumb-cover {
        height: 150px !important;
    }

    .z63f10footer .row > [class*="col-"] {
        text-align: center;
    }
}