:root {
    --primary-color: #7C3AED;
    --primary-light: #A78BFA;
    --secondary-color: #0D9488;
    --accent-color: #F59E0B;
    --dark-bg: #0F0A1E;
    --dark-surface: #1A1333;
    --text-color: #1E293B;
    --text-muted: #64748B;
    --light-bg: #F5F3FF;
    --surface: #FFFFFF;
    --border-color: #E2E8F0;
    --gradient-main: linear-gradient(135deg, #7C3AED 0%, #0D9488 100%);
    --gradient-hero: linear-gradient(160deg, #0F0A1E 0%, #1A1333 40%, #2E1065 100%);
    --shadow-sm: 0 1px 3px rgba(15, 10, 30, 0.08);
    --shadow-md: 0 4px 20px rgba(124, 58, 237, 0.12);
    --shadow-lg: 0 12px 40px rgba(124, 58, 237, 0.18);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --card-padding: 1.5rem;
    --card-border: 1px solid var(--border-color);
    --section-padding: 72px;
    --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', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background: var(--surface);
    overflow-x: hidden;
}

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

/* ===== 通用组件 ===== */
.zf463econtainer.container {
    max-width: 1140px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
}

section[class*="zf463e"] {
    overflow-x: clip;
}

.zf463esection-header {
    margin-bottom: 2.5rem;
}

.zf463esection-header:not(.zf463etext-center) .zf463esection-desc {
    margin-left: 0;
    margin-right: 0;
}

.zf463esection-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-color);
    background: rgba(124, 58, 237, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
}

.zf463esection-label.zf463elabel-light {
    color: var(--primary-light);
    background: rgba(167, 139, 250, 0.15);
}

.zf463esection-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.zf463esection-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== 导航栏 ===== */
.zf463enavbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.zf463enavbar-brand img {
    height: 45px;
}

.zf463enav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463enav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(124, 58, 237, 0.06);
}

/* ===== 英雄区域 ===== */
.zf463ehero-section {
    background: var(--gradient-hero);
    color: white;
    padding: 72px 0 80px;
    position: relative;
    overflow: hidden;
}

.zf463ehero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(124, 58, 237, 0.35) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(13, 148, 136, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.zf463ehero-content {
    position: relative;
    z-index: 2;
}

.zf463ehero-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
    backdrop-filter: blur(8px);
}

.zf463ehero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.zf463ehero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    line-height: 1.7;
}

.zf463ehero-desc {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.zf463ehero-desc strong {
    color: var(--primary-light);
    font-weight: 600;
}

.zf463ehero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.zf463ehero-tags span {
    font-size: 0.78rem;
    padding: 0.3rem 0.75rem;
    background: rgba(124, 58, 237, 0.25);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.85);
}

.zf463ehero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2.5rem;
}

.zf463ehero-buttons .btn {
    padding: 0.8rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-speed) var(--transition-easing);
    border: none;
}

.zf463ebtn-register {
    background: white !important;
    color: var(--primary-color) !important;
}

.zf463ebtn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.25);
    background: white !important;
}

.zf463ebtn-download {
    background: var(--gradient-main) !important;
    color: white !important;
}

.zf463ebtn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.4);
    opacity: 0.95;
}

.zf463ehero-trust {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.zf463etrust-item {
    display: flex;
    flex-direction: column;
}

.zf463etrust-item strong {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1.2;
}

.zf463etrust-item span {
    font-size: 0.82rem;
    opacity: 0.7;
    margin-top: 0.15rem;
}

/* 英雄视觉区 */
.zf463ehero-visual {
    position: relative;
    z-index: 2;
    overflow: hidden;
    max-width: 100%;
    padding: 0.5rem 0;
}

.zf463ehero-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 0.5rem;
}

.zf463ehero-image {
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.zf463ehero-float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-color);
    padding: 0.75rem 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    animation: floatCard 4s ease-in-out infinite;
}

.zf463ehero-float-card i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.zf463ehero-float-card strong {
    display: block;
    font-size: 0.85rem;
    line-height: 1.2;
}

.zf463ehero-float-card small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.zf463efloat-1 {
    top: 8%;
    left: 4%;
    max-width: calc(100% - 2rem);
    animation-delay: 0s;
}

.zf463efloat-2 {
    bottom: 10%;
    right: 4%;
    max-width: calc(100% - 2rem);
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== 平台介绍 ===== */
.zf463eabout-section {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.zf463eabout-main {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    box-shadow: var(--shadow-sm);
    border: var(--card-border);
}

.zf463eabout-main h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

.zf463eabout-main p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.85;
}

.zf463eabout-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

.zf463eabout-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.6rem 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.zf463eabout-list li i {
    color: var(--secondary-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.zf463eabout-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.zf463eabout-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    border: var(--card-border);
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463eabout-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.zf463eabout-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    margin-bottom: 0.85rem;
}

.zf463eabout-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.zf463eabout-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

/* ===== 核心优势 ===== */
.zf463efeatures-section {
    padding: var(--section-padding) 0;
    background: var(--surface);
}

.zf463efeatures-section .zf463ecol-lg-4,
.zf463efeatures-section .zf463ecol-md-6 {
    display: flex;
}

.zf463efeature-card {
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    width: 100%;
    height: 100%;
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
    overflow: hidden;
}

.zf463efeature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.zf463efeature-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.zf463efeature-card:hover::before {
    transform: scaleX(1);
}

.zf463efeature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: rgba(124, 58, 237, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.zf463efeature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.zf463efeature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.75;
}

/* ===== 统计数据 ===== */
.zf463estats-section {
    background: var(--gradient-hero);
    color: white;
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.zf463estats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.zf463estats-section .zf463esection-header h2 {
    color: white;
}

.zf463estats-section .zf463ecol-lg-3,
.zf463estats-section .zf463ecol-6 {
    display: flex;
}

.zf463estat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    width: 100%;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463estat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.zf463estat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.35rem;
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.zf463estat-label {
    font-size: 0.9rem;
    opacity: 0.75;
}

/* ===== 下载区域 ===== */
.zf463edownload-section {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.zf463edownload-section .zf463ecol-lg-4,
.zf463edownload-section .zf463ecol-md-6,
.zf463edownload-section .zf463ecol-12 {
    display: flex;
    padding-top: 14px;
}

.zf463edownload-card {
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
    overflow: visible;
}

.zf463edownload-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.zf463edownload-featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.zf463edownload-badge {
    position: absolute;
    top: -12px;
    right: 16px;
    background: var(--gradient-main);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.85rem;
    border-radius: 50px;
}

.zf463edownload-card-top {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.zf463edownload-card-top > div:last-child {
    min-width: 0;
    flex: 1;
}

.zf463eplatform-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.zf463eios-icon {
    background: linear-gradient(135deg, #6366F1, #4F46E5);
    color: white;
}

.zf463eandroid-icon {
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
}

.zf463ewindows-icon {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    color: white;
}

.zf463edownload-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--text-color);
    word-break: break-word;
}

.zf463eplatform-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.zf463edownload-info {
    background: rgba(124, 58, 237, 0.04);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(124, 58, 237, 0.08);
    margin-bottom: 1.25rem;
    flex: 1;
}

.zf463einfo-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.65rem;
    font-size: 0.88rem;
    color: var(--text-color);
}

.zf463einfo-item:last-child {
    margin-bottom: 0;
}

.zf463einfo-item i {
    color: var(--secondary-color);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.zf463edownload-action .btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    background: var(--gradient-main) !important;
    border: none !important;
    color: white !important;
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463edownload-action .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35);
    opacity: 0.95;
}

.zf463edownload-note {
    margin-top: 2rem;
    padding: 1rem 1.25rem;
    background: rgba(124, 58, 237, 0.06);
    border: var(--card-border);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    word-break: break-word;
}

.zf463edownload-note i {
    color: var(--primary-color);
}

/* ===== 注册指南 ===== */
.zf463eregister-section {
    padding: var(--section-padding) 0;
    background: var(--surface);
}

.zf463eregister-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: 0 var(--card-padding);
    box-shadow: var(--shadow-sm);
}

.zf463estep-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.zf463estep-content {
    min-width: 0;
    flex: 1;
}

.zf463estep-item:last-child {
    border-bottom: none;
}

.zf463estep-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-main);
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.zf463estep-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-color);
}

.zf463estep-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.75;
}

.zf463eregister-cta {
    margin-top: 2rem;
}

.zf463eregister-cta .btn {
    background: var(--gradient-main) !important;
    border: none !important;
    color: white !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: 0.85rem 2rem;
}

.zf463eregister-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 安全保障 ===== */
.zf463esecurity-section {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.zf463esecurity-section .zf463ecol-lg-3,
.zf463esecurity-section .zf463ecol-md-6,
.zf463esecurity-section .zf463ecol-md-4 {
    display: flex;
}

.zf463esecurity-card {
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    width: 100%;
    height: 100%;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463esecurity-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.zf463esecurity-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
    background: var(--gradient-main);
    color: white;
}

.zf463esecurity-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.zf463esecurity-features {
    background: rgba(124, 58, 237, 0.04);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(124, 58, 237, 0.08);
    text-align: left;
}

.zf463efeature-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-color);
}

.zf463efeature-item:last-child {
    margin-bottom: 0;
}

.zf463efeature-item i {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.zf463efeature-item span {
    min-width: 0;
    word-break: break-word;
}

.zf463esecurity-certificates {
    margin-top: 3.5rem;
}

.zf463ecertificate-card {
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    text-align: center;
    width: 100%;
    height: 100%;
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463ecertificate-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.zf463ecertificate-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
}

.zf463ecertificate-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.zf463ecertificate-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.65;
}

/* ===== FAQ ===== */
.zf463efaq-section {
    padding: var(--section-padding) 0;
    background: var(--surface);
}

.zf463efaq-section .zf463ecol-lg-6 {
    display: flex;
}

.zf463efaq-item {
    background: var(--light-bg);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--card-padding);
    width: 100%;
    height: auto;
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463efaq-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.zf463efaq-item h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.zf463efaq-item h5 i {
    color: var(--primary-color);
}

.zf463efaq-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.8;
}

/* ===== 文章板块 ===== */
.zf463earticle-section {
    padding: var(--section-padding) 0;
    background: var(--light-bg);
}

.zf463earticle-section .col {
    display: flex;
}

.zf463earticle-card {
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: 100%;
    transition: all var(--transition-speed) var(--transition-easing);
}

.zf463earticle-card .zf463ethumb-home {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.zf463earticle-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.zf463earticle-card .card-body {
    padding: 1rem 1.15rem;
}

.zf463earticle-card h3 a {
    color: var(--text-color);
    transition: color var(--transition-speed);
}

.zf463earticle-card:hover h3 a {
    color: var(--primary-color);
}

/* ===== 按钮通用 ===== */
.btn {
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
}

.zf463edownload-action .btn,
.zf463ehero-buttons .btn {
    white-space: normal;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-main) !important;
    border: none !important;
    color: white !important;
}

.btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

.btn:active {
    transform: scale(0.98);
}

/* ===== 页脚 ===== */
.zf463efooter {
    background: var(--dark-bg);
    padding: 60px 0 30px;
    color: rgba(255, 255, 255, 0.7);
}

.zf463efooter-brand img {
    max-width: 100%;
    height: auto;
}

.zf463efooter-title {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.zf463efooter-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zf463efooter-links li {
    margin-bottom: 0.6rem;
}

.zf463efooter-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

.zf463efooter-link:hover {
    color: var(--primary-light);
}

.zf463efooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
}

.zf463efooter-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.zf463efooter-bottom a:hover {
    color: var(--primary-light);
}

.zf463efriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.zf463efriend-links a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color var(--transition-speed);
}

.zf463efriend-links a:hover {
    color: var(--primary-light);
}

/* ===== 表单 ===== */
input, select, textarea {
    transition: border-color var(--transition-speed) var(--transition-easing);
}

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

/* ===== 导航栏移动端 ===== */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-collapse {
    background: white;
    padding: 1rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

/* ===== 列表/内容页通用 ===== */
.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;
}

.card {
    margin-bottom: 1rem;
}

#article .zf463earticle-card {
    margin-bottom: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
    .zf463ehero-title {
        font-size: 2.5rem;
    }

    .zf463efloat-1 { left: 2%; }
    .zf463efloat-2 { right: 2%; }
}

@media (max-width: 991px) {
    .zf463ehero-section {
        padding: 60px 0 70px;
    }

    .zf463ehero-title {
        font-size: 2.2rem;
    }

    .zf463ehero-visual {
        margin-top: 2rem;
    }

    .zf463ehero-float-card {
        display: none;
    }

    .zf463esection-header h2 {
        font-size: 1.75rem;
    }

    .zf463eabout-section,
    .zf463efeatures-section,
    .zf463edownload-section,
    .zf463eregister-section,
    .zf463esecurity-section,
    .zf463efaq-section,
    .zf463earticle-section,
    .zf463estats-section {
        padding: 56px 0;
    }

    .zf463eregister-section .zf463erow {
        align-items: flex-start !important;
    }

    .zf463ehero-section {
        padding: 56px 0 64px;
    }

    .zf463edownload-section [class*="col-"] {
        padding-top: 12px;
    }

    .zf463efooter {
        text-align: center;
    }

    .zf463efooter-title {
        margin-top: 1.5rem;
    }

    .zf463efriend-links {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    :root {
        --card-padding: 1.25rem;
        --section-padding: 48px;
    }

    /* 导航栏 */
    .zf463enavbar {
        padding: 0.5rem 0;
    }

    .zf463enavbar-brand img {
        height: 36px;
    }

    .zf463enavbar .navbar-collapse {
        margin-top: 0.5rem;
        max-height: 70vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .zf463enavbar .navbar-nav {
        width: 100%;
    }

    .zf463enavbar .navbar-nav .nav-link {
        padding: 0.65rem 0.5rem !important;
        font-size: 0.95rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--border-color);
    }

    .zf463enavbar .navbar-nav .nav-item:last-child .nav-link {
        border-bottom: none;
    }

    /* 英雄区 */
    .zf463ehero-section {
        padding: 40px 0 48px;
    }

    .zf463ehero-badge {
        font-size: 0.78rem;
        padding: 0.35rem 0.75rem;
        max-width: 100%;
        line-height: 1.4;
        flex-wrap: wrap;
    }

    .zf463ehero-title {
        font-size: 1.75rem;
        word-break: break-word;
    }

    .zf463ehero-subtitle {
        font-size: 0.95rem;
        line-height: 1.65;
    }

    .zf463ehero-desc {
        font-size: 0.85rem;
        line-height: 1.75;
    }

    .zf463ehero-tags {
        margin-bottom: 1.25rem;
    }

    .zf463ehero-buttons {
        flex-direction: column;
        margin-bottom: 1.75rem;
        gap: 0.65rem;
    }

    .zf463ehero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 0.92rem;
    }

    .zf463ehero-trust {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.65rem;
        padding-top: 1.25rem;
    }

    .zf463etrust-item {
        text-align: center;
    }

    .zf463etrust-item strong {
        font-size: 1.15rem;
    }

    .zf463etrust-item span {
        font-size: 0.72rem;
    }

    .zf463ehero-visual {
        margin-top: 0.5rem;
    }

    .zf463ehero-image-container {
        padding: 0.75rem 0;
    }

    .zf463ehero-image {
        max-width: 240px;
        margin: 0 auto;
    }

    /* 通用板块标题 */
    .zf463esection-header {
        margin-bottom: 1.75rem;
    }

    .zf463esection-header h2 {
        font-size: 1.4rem;
        line-height: 1.35;
        word-break: break-word;
    }

    .zf463esection-desc {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .zf463eabout-section,
    .zf463efeatures-section,
    .zf463edownload-section,
    .zf463eregister-section,
    .zf463esecurity-section,
    .zf463efaq-section,
    .zf463earticle-section,
    .zf463estats-section {
        padding: var(--section-padding) 0;
    }

    /* 平台介绍 */
    .zf463eabout-cards {
        margin-top: 0.5rem;
    }

    /* 核心优势 / 安全 - 移动端取消 flex 拉伸 */
    .zf463efeatures-section .zf463ecol-lg-4,
    .zf463efeatures-section .zf463ecol-md-6,
    .zf463esecurity-section .zf463ecol-lg-3,
    .zf463esecurity-section .zf463ecol-md-6,
    .zf463esecurity-section .zf463ecol-md-4,
    .zf463efaq-section .zf463ecol-lg-6 {
        display: block;
    }

    .zf463efeature-card:hover,
    .zf463esecurity-card:hover,
    .zf463ecertificate-card:hover,
    .zf463edownload-card:hover,
    .zf463efaq-item:hover,
    .zf463earticle-card:hover {
        transform: none;
    }

    /* 统计数据 */
    .zf463estat-number {
        font-size: 1.5rem;
    }

    .zf463estat-label {
        font-size: 0.78rem;
        line-height: 1.35;
    }

    .zf463estat-item {
        min-height: 96px;
        padding: 1rem 0.5rem;
    }

    /* 下载区 */
    .zf463edownload-section [class*="col-"] {
        padding-top: 12px;
    }

    .zf463edownload-card-top {
        flex-direction: row;
        align-items: center;
        text-align: left;
    }

    .zf463edownload-badge {
        top: -10px;
        right: 12px;
        font-size: 0.7rem;
    }

    .zf463edownload-action .btn {
        width: 100%;
        justify-content: center;
        display: flex;
        align-items: center;
    }

    .zf463edownload-note {
        margin-top: 1.5rem;
        padding: 0.85rem 1rem;
        font-size: 0.85rem;
    }

    /* 注册指南 */
    .zf463eregister-steps {
        padding: 0 1rem;
    }

    .zf463estep-item {
        gap: 0.75rem;
        padding: 1rem 0;
    }

    .zf463estep-num {
        width: 36px;
        height: 36px;
        font-size: 0.75rem;
    }

    .zf463estep-content h4 {
        font-size: 0.95rem;
    }

    .zf463estep-content p {
        font-size: 0.85rem;
    }

    .zf463eregister-cta .btn {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }

    /* FAQ */
    .zf463efaq-item {
        padding: var(--card-padding);
    }

    .zf463efaq-item h5 {
        font-size: 0.92rem;
        display: flex;
        align-items: flex-start;
        gap: 0.35rem;
    }

    .zf463efaq-item h5 i {
        margin-top: 0.15rem;
        flex-shrink: 0;
    }

    .zf463efaq-item p {
        font-size: 0.85rem;
    }

    /* 文章区 */
    .zf463earticle-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem;
    }

    .zf463earticle-header .btn {
        width: 100%;
        text-align: center;
    }

    .zf463earticle-section .col {
        display: block;
    }

    .zf463earticle-card .zf463ethumb-home,
    #article .zf463ethumb-home {
        height: 140px !important;
    }

    #article .card-body {
        padding: 0.75rem;
    }

    #article h3.h5 {
        font-size: 0.92rem;
        line-height: 1.45;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 页脚 */
    .zf463efooter {
        padding: 40px 0 24px;
    }

    .zf463efooter-bottom {
        font-size: 0.82rem;
        line-height: 1.8;
    }

    .zf463efooter-bottom p {
        word-break: break-word;
    }

    /* 列表/内容页 */
    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        margin-bottom: 0.35rem;
        line-height: 1.35;
    }

    .listbox .e2 li p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .zf463ethumb-list,
    .zf463ethumb-related {
        height: 72px !important;
    }

    .zf463ethumb-side {
        height: 50px !important;
    }

    .zf463ethumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }
}

@media (max-width: 575px) {
    .zf463econtainer.container {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }

    .zf463ehero-title {
        font-size: 1.5rem;
    }

    .zf463ehero-tags span {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .zf463ehero-image {
        max-width: 200px;
    }

    .zf463esection-header h2 {
        font-size: 1.28rem;
    }

    .zf463estat-number {
        font-size: 1.35rem;
    }

    .zf463estat-item {
        min-height: 88px;
        padding: 0.85rem 0.35rem;
    }

    .zf463estat-label {
        font-size: 0.72rem;
    }

    .zf463eplatform-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .zf463edownload-card h3 {
        font-size: 1rem;
    }

    .zf463esecurity-certificates {
        margin-top: 2rem;
    }

    .zf463earticle-card .zf463ethumb-home,
    #article .zf463ethumb-home {
        height: 120px !important;
    }

    .zf463ethumb-list,
    .zf463ethumb-related {
        height: 64px !important;
    }

    .zf463ethumb-side {
        height: 46px !important;
    }

    .zf463ethumb-cover {
        height: 150px !important;
    }

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

@media (max-width: 359px) {
    .zf463ehero-trust {
        grid-template-columns: 1fr 1fr;
    }

    .zf463ehero-trust .zf463etrust-item:last-child {
        grid-column: 1 / -1;
    }

    .zf463etrust-item strong {
        font-size: 1.05rem;
    }
}