:root {
    --primary-color: #7c3aed;
    --primary-light: #a78bfa;
    --secondary-color: #5b21b6;
    --accent-color: #06b6d4;
    --accent-warm: #f59e0b;
    --text-color: #1e1b4b;
    --text-muted: #64748b;
    --surface: #f8f7ff;
    --surface-alt: #ede9fe;
    --card-bg: #ffffff;
    --dark-bg: #1e1b4b;
    --border-color: rgba(124, 58, 237, 0.1);
    --border-strong: rgba(124, 58, 237, 0.18);
    --shadow-sm: 0 1px 8px rgba(91, 33, 182, 0.06);
    --shadow-md: 0 6px 20px rgba(91, 33, 182, 0.1);
    --shadow-lg: 0 16px 40px rgba(91, 33, 182, 0.14);
    --radius: 12px;
    --radius-lg: 16px;
    --card-pad: 1.25rem;
    --card-pad-lg: 1.5rem;
    --section-py: 4rem;
    --grid-gap: 1.25rem;
    --transition-speed: 0.3s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background: var(--surface);
    overflow-x: hidden;
}

/* 容器：防止栅格负边距导致横向溢出 */
.z46d6acontainer.container {
    max-width: 1140px;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
}

/* 栅格子项防撑破 */
.z46d6afeature-grid > *,
.z46d6adownload-grid > *,
.z46d6asecurity-grid > *,
.z46d6asteps-row > *,
.z46d6afaq-grid > *,
.z46d6acertificate-row > *,
.z46d6aintro-highlights > * {
    min-width: 0;
}

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

/* ========== 导航 ========== */
.z46d6anavbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.z46d6anavbar-brand img {
    height: 42px;
}

.z46d6anav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: color var(--transition-speed), background var(--transition-speed);
}

.z46d6anav-link:hover,
.z46d6anav-link.active {
    color: var(--primary-color) !important;
    background: var(--surface-alt);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

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

@media (max-width: 991px) {
    .navbar-collapse {
        background: white;
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow-md);
        max-height: 72vh;
        overflow-y: auto;
    }
}

/* ========== 区块通用 ========== */
.z46d6asection {
    padding: var(--section-py) 0;
    overflow: hidden;
}

.z46d6asection-alt {
    background: var(--card-bg);
}

.z46d6asection-tint {
    background: linear-gradient(180deg, var(--surface-alt) 0%, var(--surface) 100%);
}

.z46d6asection-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 2.5rem;
    padding: 0 0.25rem;
}

.z46d6asection-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: var(--surface-alt);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 50px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.z46d6asection-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.z46d6asection-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0;
}

/* ========== 英雄区 ========== */
.z46d6ahero-section {
    background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 45%, #7c3aed 100%);
    color: white;
    padding: 4rem 0 4.5rem;
    position: relative;
    overflow: hidden;
}

.z46d6ahero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 40%);
    pointer-events: none;
}

.z46d6ahero-content {
    position: relative;
    z-index: 1;
}

.z46d6ahero-badge {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    max-width: 100%;
    padding: 0.35rem 0.85rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    line-height: 1.4;
    margin-bottom: 1.25rem;
}

.z46d6ahero-title {
    font-size: clamp(1.85rem, 4vw, 3.25rem);
    font-weight: 800;
    margin-bottom: 1.25rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.z46d6ahero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    opacity: 0.92;
    margin-bottom: 2rem;
    max-width: 540px;
    line-height: 1.75;
    word-break: break-word;
}

.z46d6ahero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z46d6ahero-buttons .btn {
    padding: 0.65rem 1.15rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
    text-align: center;
    line-height: 1.35;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.z46d6ahero-buttons .btn-light {
    background: white;
    color: var(--primary-color);
    border: none;
}

.z46d6ahero-buttons .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background: white;
    color: var(--secondary-color);
}

.z46d6ahero-buttons .btn-accent {
    background: linear-gradient(135deg, var(--accent-color), #0891b2);
    border: none;
    color: white;
}

.z46d6ahero-buttons .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
    color: white;
}

.z46d6ahero-buttons .btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    background: transparent;
}

.z46d6ahero-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
    transform: translateY(-2px);
}

.z46d6ahero-image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.z46d6ahero-image {
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
}

.z46d6ahero-image-shadow {
    display: none;
}

.z46d6ahero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.z46d6ahero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.z46d6ahero-trust-item i {
    color: var(--accent-color);
}

/* ========== 信任条 ========== */
.z46d6atrust-bar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: none;
}

.z46d6atrust-bar .container {
    overflow: hidden;
}

.z46d6atrust-bar .row {
    align-items: center;
    text-align: center;
}

.z46d6atrust-item {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.45;
    padding: 0.25rem 0.5rem;
    word-break: break-word;
}

.z46d6atrust-item i {
    color: var(--primary-color);
    margin-right: 0.35rem;
}

/* ========== 特点卡片 ========== */
.z46d6afeature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.z46d6afeature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--card-pad-lg) var(--card-pad);
    height: 100%;
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
    box-shadow: var(--shadow-sm);
}

.z46d6afeature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.z46d6afeature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--surface-alt), #ddd6fe);
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.z46d6afeature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--dark-bg);
    line-height: 1.35;
    word-break: break-word;
}

.z46d6afeature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
    word-break: break-word;
}

/* ========== 介绍区 ========== */
.z46d6aintro-panel {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--card-pad-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.z46d6aintro-panel p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.8;
}

.z46d6aintro-panel p:last-child {
    margin-bottom: 0;
}

.z46d6aintro-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.z46d6aintro-highlight {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    min-width: 0;
}

.z46d6aintro-highlight i {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-top: 0.15rem;
}

.z46d6aintro-highlight span {
    font-size: 0.875rem;
    color: var(--text-color);
    line-height: 1.5;
    word-break: break-word;
    flex: 1;
    min-width: 0;
}

.z46d6aintro-title {
    text-align: center;
}

@media (min-width: 992px) {
    .z46d6aintro-title {
        text-align: left;
    }
}

/* ========== 统计 ========== */
.z46d6astats-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 3rem 0;
    overflow: hidden;
}

.z46d6astat-item {
    text-align: center;
    padding: 0.75rem 0.5rem;
}

.z46d6astat-number {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 0.35rem;
    line-height: 1;
}

.z46d6astat-label {
    font-size: 0.95rem;
    opacity: 0.88;
}

/* ========== 下载 ========== */
.z46d6adownload-section {
    padding: var(--section-py) 0;
    background: var(--surface);
    overflow: hidden;
}

.z46d6adownload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.z46d6adownload-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: var(--shadow-sm);
}

.z46d6adownload-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.z46d6adownload-card-header {
    padding: var(--card-pad);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    min-width: 0;
}

.z46d6adownload-card-header > div:last-child {
    flex: 1;
    min-width: 0;
}

.z46d6adownload-card-header h3 {
    font-size: 1rem;
    line-height: 1.35;
    word-break: break-word;
}

.z46d6adownload-card-header .text-muted {
    font-size: 0.8rem;
}

.z46d6aplatform-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    flex-shrink: 0;
}

.z46d6aios-icon {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.z46d6aandroid-icon {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.z46d6awindows-icon {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

.z46d6adownload-card-body {
    padding: var(--card-pad);
}

.z46d6adownload-info {
    margin-bottom: 1.25rem;
}

.z46d6ainfo-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.z46d6ainfo-item:last-child {
    margin-bottom: 0;
}

.z46d6ainfo-item i {
    color: var(--primary-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.z46d6ainfo-item span {
    flex: 1;
    min-width: 0;
    word-break: break-word;
}

.z46d6adownload-action .btn-primary,
.z46d6abtn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    padding: 0.65rem 1.25rem;
    font-weight: 600;
    width: 100%;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.z46d6adownload-action .btn-primary:hover,
.z46d6abtn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* ========== 注册步骤 ========== */
.z46d6asteps-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
    counter-reset: step;
}

.z46d6astep-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--card-pad);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    min-height: 0;
}

.z46d6astep-num {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
    font-size: 1rem;
}

.z46d6astep-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-bg);
}

.z46d6astep-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.55;
    word-break: break-word;
    text-align: left;
}

/* ========== 安全 ========== */
.z46d6asecurity-section {
    padding: var(--section-py) 0;
    background: var(--card-bg);
    overflow: hidden;
}

.z46d6asecurity-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
}

.z46d6asecurity-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--card-pad) 1rem;
    height: 100%;
    text-align: center;
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
    box-shadow: var(--shadow-sm);
}

.z46d6asecurity-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.z46d6asecurity-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin: 0 auto 1rem;
}

.z46d6asecurity-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.z46d6asecurity-features {
    text-align: left;
}

.z46d6asecurity-features .z46d6afeature-item {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
    line-height: 1.45;
    word-break: break-word;
}

.z46d6asecurity-features .z46d6afeature-item span {
    flex: 1;
    min-width: 0;
}

.z46d6asecurity-features .z46d6afeature-item i {
    color: var(--primary-color);
    font-size: 0.75rem;
}

.z46d6acertificate-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
    margin-top: 2rem;
}

.z46d6acertificate-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--card-pad);
    text-align: center;
    overflow: hidden;
}

.z46d6acertificate-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface-alt);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    font-size: 1.2rem;
}

.z46d6acertificate-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.z46d6acertificate-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
}

/* ========== FAQ ========== */
.z46d6afaq-section {
    padding: var(--section-py) 0;
    background: var(--surface);
    overflow: hidden;
}

.z46d6afaq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
    max-width: 960px;
    margin: 0 auto;
}

.z46d6afaq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--card-pad) var(--card-pad-lg);
    overflow: hidden;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.z46d6afaq-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.z46d6afaq-item h5 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
    word-break: break-word;
}

.z46d6afaq-item h5 i {
    color: var(--primary-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.z46d6afaq-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.65;
}

/* ========== 文章区 ========== */
.z46d6aarticle-section {
    padding: var(--section-py) 0;
    background: var(--card-bg);
    overflow: hidden;
}

.z46d6aarticle-section .row {
    --bs-gutter-x: 1rem;
    --bs-gutter-y: 1rem;
}

.z46d6aarticle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.z46d6aarticle-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark-bg);
}

.z46d6aarticle-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.z46d6aarticle-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.z46d6athumb-home {
    height: 130px !important;
    object-fit: cover;
    width: 100%;
}

.z46d6aarticle-card .card-body {
    padding: 1rem;
}

.z46d6aarticle-card h3 {
    font-size: 0.875rem;
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.z46d6aarticle-card h3 a {
    color: var(--dark-bg);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.z46d6aarticle-card h3 a:hover {
    color: var(--primary-color);
}

.z46d6abtn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 10px;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    transition: all var(--transition-speed);
}

.z46d6abtn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* ========== 页脚 ========== */
.z46d6afooter {
    background: var(--dark-bg);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 2rem;
}

.z46d6afooter p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.z46d6afooter-title {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.z46d6afooter-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z46d6afooter-links li {
    margin-bottom: 0.6rem;
}

.z46d6afooter-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

.z46d6afooter-link:hover {
    color: var(--accent-color);
}

.z46d6afriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z46d6afriend-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    text-decoration: none;
}

.z46d6afriend-links a:hover {
    color: var(--accent-color);
}

.z46d6afooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: center;
}

.z46d6afooter-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.z46d6afooter-bottom a:hover {
    color: var(--accent-color);
}

/* ========== 内页/列表 ========== */
.z46d6apage-hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 2.5rem 0;
    margin-bottom: 0;
}

.z46d6apage-hero h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.z46d6apage-hero p {
    opacity: 0.9;
    margin: 0;
    font-size: 0.95rem;
}

.z46d6ainner-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.z46d6aarticle-content {
    line-height: 1.85;
    font-size: 1rem;
    color: var(--text-color);
}

.z46d6aarticle-content img {
    max-width: 100%;
    height: auto;
}

.z46d6ameta-tags .z46d6atagitem a {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--surface-alt);
    color: var(--primary-color);
    border-radius: 50px;
    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;
}

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
    .z46d6afeature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z46d6asecurity-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z46d6adownload-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z46d6adownload-grid .z46d6adownload-card:last-child {
        grid-column: 1 / -1;
        max-width: calc(50% - var(--grid-gap) / 2);
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 991px) {
    :root {
        --section-py: 3rem;
        --card-pad: 1.125rem;
        --card-pad-lg: 1.25rem;
    }

    .z46d6asection {
        padding: var(--section-py) 0;
    }

    .z46d6adownload-grid {
        grid-template-columns: 1fr;
    }

    .z46d6adownload-grid .z46d6adownload-card:last-child {
        grid-column: auto;
        max-width: none;
        margin-left: 0;
        margin-right: 0;
    }

    .z46d6asteps-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .z46d6aintro-highlights {
        grid-template-columns: 1fr;
    }

    .z46d6ahero-section {
        padding: 3rem 0 3.5rem;
    }

    .z46d6astats-section {
        padding: 2.5rem 0;
    }

    .z46d6ahero-image-container {
        margin-top: 2rem;
    }
}

@media (max-width: 767px) {
    :root {
        --section-py: 2.5rem;
        --grid-gap: 1rem;
    }

    .z46d6acontainer.container {
        padding-left: max(0.875rem, env(safe-area-inset-left));
        padding-right: max(0.875rem, env(safe-area-inset-right));
    }

    .z46d6asection-header {
        margin-bottom: 1.75rem;
    }

    .z46d6asection-title {
        font-size: 1.5rem;
    }

    .z46d6asection-desc {
        font-size: 0.95rem;
        line-height: 1.65;
    }

    .z46d6asection-badge {
        font-size: 0.75rem;
        padding: 0.3rem 0.75rem;
    }

    .z46d6afeature-grid,
    .z46d6afaq-grid,
    .z46d6acertificate-row,
    .z46d6asecurity-grid {
        grid-template-columns: 1fr;
    }

    .z46d6asteps-row {
        grid-template-columns: 1fr;
    }

    .z46d6aintro-panel {
        padding: var(--card-pad-lg);
    }

    .z46d6afeature-card,
    .z46d6astep-card,
    .z46d6asecurity-card {
        padding: var(--card-pad);
    }

    .z46d6adownload-card-header,
    .z46d6adownload-card-body {
        padding: var(--card-pad);
    }

    /* 英雄区 */
    .z46d6ahero-section {
        padding: 2.25rem 0 2.5rem;
    }

    .z46d6ahero-section .row {
        --bs-gutter-y: 1.25rem;
    }

    .z46d6ahero-subtitle {
        max-width: 100%;
        margin-bottom: 1.5rem;
        font-size: 0.95rem;
    }

    .z46d6ahero-title {
        font-size: 1.65rem;
        margin-bottom: 1rem;
    }

    .z46d6ahero-image-container {
        padding: 0.5rem 0 0;
        margin-top: 0.5rem;
    }

    .z46d6ahero-image {
        max-width: 240px;
    }

    .z46d6ahero-buttons {
        flex-direction: column;
        gap: 0.6rem;
    }

    .z46d6ahero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }

    .z46d6ahero-buttons .btn-lg {
        --bs-btn-padding-y: 0.65rem;
        --bs-btn-padding-x: 1rem;
        font-size: 0.95rem;
    }

    .z46d6ahero-trust {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
        margin-top: 1.75rem;
        padding-top: 1.25rem;
    }

    .z46d6ahero-trust-item {
        font-size: 0.85rem;
        width: 100%;
    }

    /* 信任条 */
    .z46d6atrust-bar {
        padding: 0.75rem 0;
    }

    .z46d6atrust-item {
        font-size: 0.82rem;
        padding: 0.35rem 0;
        text-align: center;
    }

    /* 统计 */
    .z46d6astats-section {
        padding: 2rem 0;
    }

    .z46d6astats-section .row {
        --bs-gutter-y: 0.5rem;
    }

    .z46d6astat-item {
        padding: 0.65rem 0.25rem;
    }

    .z46d6astat-number {
        font-size: 1.75rem;
    }

    .z46d6astat-label {
        font-size: 0.85rem;
    }

    /* 下载卡片 */
    .z46d6adownload-card-header {
        flex-wrap: nowrap;
    }

    .z46d6adownload-card-header h3 {
        font-size: 0.95rem;
    }

    /* 步骤卡片 */
    .z46d6astep-card h4 {
        font-size: 0.95rem;
    }

    .z46d6astep-card p {
        font-size: 0.82rem;
    }

    /* 文章区 */
    .z46d6aarticle-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .z46d6aarticle-header h2 {
        font-size: 1.35rem;
        text-align: center;
    }

    .z46d6abtn-outline {
        width: 100%;
        text-align: center;
        padding: 0.6rem 1rem;
    }

    .z46d6aarticle-section .row {
        --bs-gutter-x: 0.75rem;
        --bs-gutter-y: 0.75rem;
    }

    .z46d6athumb-home {
        height: 140px !important;
    }

    .z46d6aarticle-card .card-body {
        padding: 0.85rem;
    }

    .z46d6aarticle-card .small.text-muted {
        font-size: 0.75rem;
    }

    /* 页脚 */
    .z46d6afooter {
        padding: 2.5rem 0 1.5rem;
        text-align: center;
    }

    .z46d6afooter-brand {
        display: inline-block !important;
        margin: 0 auto;
    }

    .z46d6afooter-title {
        margin-top: 0.5rem;
        margin-bottom: 0.85rem;
    }

    .z46d6afooter-links li {
        margin-bottom: 0.45rem;
    }

    .z46d6afriend-links {
        justify-content: center;
        gap: 0.5rem 1rem;
    }

    .z46d6afooter-bottom {
        margin-top: 1.5rem;
        padding-top: 1.25rem;
        font-size: 0.85rem;
    }

    .z46d6afooter-bottom p {
        line-height: 1.6;
        word-break: break-word;
    }

    /* 导航 */
    .z46d6anavbar {
        padding: 0.5rem 0;
    }

    .z46d6anavbar-brand img {
        height: 36px;
    }

    .z46d6anavbar .navbar-nav {
        width: 100%;
    }

    .z46d6anavbar .navbar-nav .nav-link {
        padding: 0.6rem 0.75rem !important;
        font-size: 0.92rem;
        width: 100%;
    }

    .z46d6anavbar .navbar-collapse {
        padding: 0.75rem;
        margin-top: 0.35rem;
    }

    /* 内页列表/文章 */
    .z46d6apy-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }

    .listbox .e2 li .row {
        --bs-gutter-x: 0.65rem;
    }

    .listbox .e2 li h2.h5 {
        font-size: 0.95rem;
        line-height: 1.35;
    }

    .listbox .e2 li p {
        font-size: 0.85rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .z46d6athumb-list,
    .z46d6athumb-related {
        height: 80px !important;
    }

    .z46d6athumb-side {
        height: 52px !important;
    }

    .z46d6athumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 180px !important;
    }

    aside.col-lg-4 {
        margin-top: 1.25rem !important;
    }

    aside .card-body h3.h5 {
        font-size: 1rem;
    }

    .pagebar .pagelist {
        justify-content: center;
    }
}

@media (max-width: 575px) {
    :root {
        --section-py: 2rem;
    }

    html {
        font-size: 15px;
    }

    .z46d6ahero-title {
        font-size: 1.45rem;
    }

    .z46d6asection-title {
        font-size: 1.35rem;
    }

    .z46d6ahero-image {
        max-width: 200px;
    }

    .z46d6athumb-home {
        height: 120px !important;
    }

    .z46d6athumb-cover {
        height: 160px !important;
    }

    .z46d6athumb-list,
    .z46d6athumb-related {
        height: 72px !important;
    }

    /* 列表项小屏改为上下布局更易读 */
    .listbox .e2 li .col-4 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 0.5rem;
    }

    .listbox .e2 li .col-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .listbox .e2 li .z46d6athumb-list {
        height: 140px !important;
        border-radius: var(--radius);
    }

    .z46d6acertificate-card,
    .z46d6afaq-item {
        padding: 1rem;
    }
}

/* Bootstrap 覆盖 */
.btn:active {
    transform: scale(0.98);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(124, 58, 237, 0.2);
}