/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 容器 */
.z3cdbfcontainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.z3cdbfheader {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.z3cdbfheader .z3cdbfcontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.z3cdbflogo h1 {
    font-size: 24px;
    color: #1a1a1a;
}

/* 汉堡菜单按钮 */
.z3cdbfmenu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    background: none;
    border: none;
}

.z3cdbfmenu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.z3cdbfmain-nav {
    transition: all 0.3s ease;
}

.z3cdbfmain-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.z3cdbfmain-nav li {
    margin-left: 30px;
}

.z3cdbfmain-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    position: relative;
}

.z3cdbfmain-nav a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

.z3cdbfmain-nav a:hover:after {
    width: 100%;
}

.z3cdbfmain-nav a:hover {
    color: #007bff;
}

/* Hero部分 */
.z3cdbfhero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.z3cdbfhero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.z3cdbfhero-text {
    flex: 1;
    max-width: 600px;
}

.z3cdbfhero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.z3cdbfhero-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.z3cdbfhero-img:hover {
    transform: translateY(-5px);
}

.z3cdbfhero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.z3cdbfhero-content p {
    font-size: 20px;
    margin-bottom: 40px;
}

.z3cdbfhero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.z3cdbfstat-item {
    text-align: center;
}

.z3cdbfstat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

.z3cdbfstat-text {
    font-size: 16px;
    opacity: 0.9;
}

/* 按钮样式 */
.z3cdbfbtn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    margin: 0 10px;
}

.z3cdbfbtn-primary {
    background-color: #fff;
    color: #007bff;
}

.z3cdbfbtn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid #fff;
}

.z3cdbfbtn-primary:hover, .z3cdbfbtn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 特性区域 */
.z3cdbffeatures {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z3cdbfsection-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1a1a1a;
}

.z3cdbffeature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.z3cdbffeature-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.z3cdbffeature-item h3 {
    color: #007bff;
    margin-bottom: 15px;
}

.z3cdbffeature-list {
    list-style: none;
    margin-top: 20px;
    text-align: left;
}

.z3cdbffeature-list li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z3cdbffeature-list li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
}

/* 产品服务 */
.z3cdbfproducts {
    padding: 80px 0;
}

.z3cdbfproduct-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.z3cdbfproduct-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.z3cdbfproduct-item h3 {
    color: #007bff;
    margin-bottom: 15px;
}

.z3cdbfproduct-features {
    list-style: none;
    margin-top: 20px;
}

.z3cdbfproduct-features li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z3cdbfproduct-features li:before {
    content: "✓";
    color: #28a745;
    position: absolute;
    left: 0;
}

/* 下载指南 */
.z3cdbfguide {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z3cdbfguide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.z3cdbfstep {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.z3cdbfstep h3 {
    color: #007bff;
    margin-bottom: 15px;
}

.z3cdbfstep-details {
    margin-top: 20px;
    text-align: left;
}

.z3cdbfstep-details p {
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

/* 安全保障 */
.z3cdbfsecurity {
    padding: 80px 0;
}

.z3cdbfsecurity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.z3cdbfsecurity-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.z3cdbfsecurity-item h3 {
    color: #007bff;
    margin-bottom: 20px;
}

.z3cdbfsecurity-list {
    list-style: none;
}

.z3cdbfsecurity-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.z3cdbfsecurity-list li:before {
    content: "🔒";
    position: absolute;
    left: 0;
}

/* FAQ部分 */
.z3cdbffaq {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.z3cdbffaq-container {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

/* 左侧导航 */
.z3cdbffaq-nav {
    flex: 0 0 250px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 20px;
}

.z3cdbffaq-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z3cdbffaq-nav-list li {
    padding: 12px 15px;
    margin-bottom: 8px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #333;
    font-weight: 500;
}

.z3cdbffaq-nav-list li:hover {
    background-color: #f8f9fa;
}

.z3cdbffaq-nav-list li.active {
    background-color: #007bff;
    color: #fff;
}

/* 右侧内容区 */
.z3cdbffaq-content {
    flex: 1;
}

.z3cdbffaq-category {
    display: none;
}

.z3cdbffaq-category.active {
    display: block;
}

.z3cdbffaq-item {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.z3cdbffaq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.z3cdbffaq-question:hover {
    background-color: #f8f9fa;
}

.z3cdbffaq-question h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
}

.z3cdbftoggle-icon {
    font-size: 24px;
    color: #007bff;
    transition: transform 0.3s ease;
}

.z3cdbffaq-item.active .z3cdbftoggle-icon {
    transform: rotate(45deg);
}

.z3cdbffaq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.z3cdbffaq-item.active .z3cdbffaq-answer {
    padding: 0 20px 20px;
    max-height: 1000px;
}

/* FAQ内容网格布局 */
.z3cdbfdownload-channels,
.z3cdbfsystem-requirements,
.z3cdbfregister-steps,
.z3cdbfverification-requirements,
.z3cdbfpayment-methods,
.z3cdbffee-structure,
.z3cdbfsecurity-measures,
.z3cdbffund-security {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.z3cdbfchannel-item,
.z3cdbfsystem-item,
.z3cdbfstep-item,
.z3cdbfrequirement-item,
.z3cdbfpayment-item,
.z3cdbffee-item,
.z3cdbfsecurity-item,
.z3cdbfsecurity-feature {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.z3cdbfchannel-item i,
.z3cdbfsystem-item i,
.z3cdbfstep-item i,
.z3cdbfrequirement-item i,
.z3cdbfpayment-item i,
.z3cdbffee-item i,
.z3cdbfsecurity-item i,
.z3cdbfsecurity-feature i {
    margin-bottom: 10px;
}

.z3cdbfchannel-item h4,
.z3cdbfsystem-item h4,
.z3cdbfstep-item h4,
.z3cdbfrequirement-item h4,
.z3cdbfpayment-item h4,
.z3cdbffee-item h4,
.z3cdbfsecurity-item h4,
.z3cdbfsecurity-feature h4 {
    margin: 10px 0;
    color: #333;
}

.z3cdbfstep-number {
    width: 30px;
    height: 30px;
    background: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
}

.z3cdbffee-rate {
    font-size: 24px;
    color: #007bff;
    font-weight: bold;
    margin: 10px 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .z3cdbffaq-container {
        flex-direction: column;
    }

    .z3cdbffaq-nav {
        flex: none;
        width: 100%;
        margin-bottom: 20px;
    }

    .z3cdbffaq-nav-list {
        display: flex;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .z3cdbffaq-nav-list li {
        flex: 0 0 auto;
        margin-right: 10px;
        margin-bottom: 0;
        white-space: nowrap;
    }

    .z3cdbfdownload-channels,
    .z3cdbfsystem-requirements,
    .z3cdbfregister-steps,
    .z3cdbfverification-requirements,
    .z3cdbfpayment-methods,
    .z3cdbffee-structure,
    .z3cdbfsecurity-measures,
    .z3cdbffund-security {
        grid-template-columns: 1fr;
    }
}

/* 页脚 */
.z3cdbffooter {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.z3cdbffooter-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.z3cdbffooter-section h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 18px;
}

.z3cdbffooter-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.z3cdbfsocial-links {
    display: flex;
    gap: 20px;
}

.z3cdbfsocial-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.z3cdbfsocial-link:hover {
    color: #fff;
}

.z3cdbffooter-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.z3cdbffooter-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .z3cdbfheader .z3cdbfcontainer {
        height: 60px;
        padding: 0 15px;
    }

    .z3cdbfmenu-toggle {
        display: flex;
    }

    .z3cdbfmain-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: #fff;
        padding: 80px 20px 20px;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 999;
    }

    .z3cdbfmain-nav.active {
        right: 0;
    }

    .z3cdbfmain-nav ul {
        flex-direction: column;
        align-items: flex-start;
    }

    .z3cdbfmain-nav li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid #eee;
    }

    .z3cdbfmain-nav a {
        display: block;
        padding: 15px 0;
        font-size: 16px;
    }

    .z3cdbfmain-nav a:after {
        display: none;
    }

    /* 汉堡菜单动画 */
    .z3cdbfmenu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .z3cdbfmenu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .z3cdbfmenu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* 遮罩层 */
    .z3cdbfnav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .z3cdbfnav-overlay.active {
        display: block;
        opacity: 1;
    }

    .z3cdbfhero-content h2 {
        font-size: 36px;
    }

    .z3cdbfhero-content p {
        font-size: 18px;
    }

    .z3cdbfhero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .z3cdbfdownload-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .z3cdbfbtn {
        margin: 8px 0;
        width: 100%;
        max-width: 300px;
    }

    .z3cdbfsection-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .z3cdbffeature-grid,
    .z3cdbfproduct-grid,
    .z3cdbfguide-steps,
    .z3cdbfsecurity-grid {
        grid-template-columns: 1fr;
    }

    .z3cdbffaq-container {
        flex-direction: column;
    }

    .z3cdbffaq-nav {
        flex: none;
        width: 100%;
        margin-bottom: 20px;
    }

    .z3cdbffaq-nav-list {
        display: flex;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .z3cdbffaq-nav-list li {
        flex: 0 0 auto;
        margin-right: 10px;
        margin-bottom: 0;
        white-space: nowrap;
    }

    .z3cdbffaq-question h3 {
        font-size: 16px;
    }

    .z3cdbfdownload-channels,
    .z3cdbfsystem-requirements,
    .z3cdbfregister-steps,
    .z3cdbfverification-requirements,
    .z3cdbfpayment-methods,
    .z3cdbffee-structure,
    .z3cdbfsecurity-measures,
    .z3cdbffund-security {
        grid-template-columns: 1fr;
    }

    .z3cdbffooter-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .z3cdbfsocial-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .z3cdbfhero-content h2 {
        font-size: 24px;
    }

    .z3cdbfhero-content p {
        font-size: 14px;
    }

    .z3cdbfstat-number {
        font-size: 24px;
    }

    .z3cdbfstat-text {
        font-size: 14px;
    }

    .z3cdbfsection-title {
        font-size: 24px;
    }

    .z3cdbffeature-item h3,
    .z3cdbfproduct-item h3,
    .z3cdbfstep h3,
    .z3cdbfsecurity-item h3 {
        font-size: 18px;
    }

    .z3cdbffaq-question {
        padding: 15px;
    }

    .z3cdbffaq-answer {
        padding: 0 15px 15px;
    }

    .z3cdbfchannel-item,
    .z3cdbfsystem-item,
    .z3cdbfstep-item,
    .z3cdbfrequirement-item,
    .z3cdbfpayment-item,
    .z3cdbffee-item,
    .z3cdbfsecurity-item,
    .z3cdbfsecurity-feature {
        padding: 15px;
    }

    .z3cdbfstep-number {
        width: 25px;
        height: 25px;
        font-size: 14px;
    }

    .z3cdbffee-rate {
        font-size: 20px;
    }

    [class^="z3cdbficon-"] {
        width: 20px;
        height: 20px;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .z3cdbffaq-nav-list li:hover {
        background: none;
    }

    .z3cdbfbtn:hover {
        transform: none;
    }

    .z3cdbfmain-nav a:hover {
        color: #333;
    }
}

/* 打印样式优化 */
@media print {
    .z3cdbfheader,
    .z3cdbfhero,
    .z3cdbfdownload-buttons,
    .z3cdbffooter {
        display: none;
    }

    body {
        color: #000;
    }

    .z3cdbfcontainer {
        max-width: 100%;
        padding: 0;
    }

    .z3cdbfsection-title {
        color: #000;
    }

    .z3cdbffeature-item,
    .z3cdbfproduct-item,
    .z3cdbfstep,
    .z3cdbfsecurity-item,
    .z3cdbffaq-item {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #fff;
    }

    .z3cdbfheader {
        background-color: #2d2d2d;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .z3cdbflogo h1 {
        color: #fff;
    }

    .z3cdbfmain-nav a {
        color: #fff;
    }

    .z3cdbfmain-nav a:hover {
        color: #007bff;
    }

    .z3cdbffeature-item,
    .z3cdbfproduct-item,
    .z3cdbfstep,
    .z3cdbfsecurity-item,
    .z3cdbffaq-item {
        background-color: #2d2d2d;
        box-shadow: 0 2px 15px rgba(0,0,0,0.2);
    }

    .z3cdbffaq-nav {
        background-color: #2d2d2d;
    }

    .z3cdbffaq-nav-list li:hover {
        background-color: #3d3d3d;
    }

    .z3cdbfchannel-item,
    .z3cdbfsystem-item,
    .z3cdbfstep-item,
    .z3cdbfrequirement-item,
    .z3cdbfpayment-item,
    .z3cdbffee-item,
    .z3cdbfsecurity-item,
    .z3cdbfsecurity-feature {
        background-color: #2d2d2d;
    }

    .z3cdbfmenu-toggle span {
        background-color: #fff;
    }

    .z3cdbfmain-nav {
        background-color: #2d2d2d;
    }

    .z3cdbfmain-nav li {
        border-bottom-color: #3d3d3d;
    }
}

/* 响应式设计增强 */
@media (max-width: 1200px) {
    .z3cdbfcontainer {
        padding: 0 15px;
    }

    .z3cdbfhero-content h2 {
        font-size: 42px;
    }

    .z3cdbffeature-grid,
    .z3cdbfproduct-grid,
    .z3cdbfguide-steps,
    .z3cdbfsecurity-grid {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .z3cdbfhero-content {
        flex-direction: column;
        text-align: center;
    }

    .z3cdbfhero-text {
        max-width: 100%;
    }

    .z3cdbfhero-image {
        margin-top: 40px;
    }

    .z3cdbfhero-img {
        max-width: 80%;
    }

    .z3cdbfhero-content h2 {
        font-size: 36px;
    }

    .z3cdbfhero-stats {
        gap: 40px;
    }

    .z3cdbfsection-title {
        font-size: 32px;
    }

    .z3cdbffeature-item,
    .z3cdbfproduct-item,
    .z3cdbfstep,
    .z3cdbfsecurity-item {
        padding: 20px;
    }
}

/* Icons */
[class^="z3cdbficon-"] {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.z3cdbficon-website { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z"/></svg>'); }
.z3cdbficon-store { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M20 4H4v2h16V4zm1 10v-2l-1-5H4l-1 5v2h1v6h10v-6h4v6h2v-6h1zm-9 4H6v-4h6v4z"/></svg>'); }
.z3cdbficon-github { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 2C6.477 2 2 6.477 2 12c0 4.42 2.865 8.17 6.839 9.49.5.092.682-.217.682-.482 0-.237-.008-.866-.013-1.7-2.782.604-3.369-1.34-3.369-1.34-.454-1.156-1.11-1.464-1.11-1.464-.908-.62.069-.608.069-.608 1.003.07 1.531 1.03 1.531 1.03.892 1.529 2.341 1.087 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.11-4.555-4.943 0-1.091.39-1.984 1.029-2.683-.103-.253-.446-1.27.098-2.647 0 0 .84-.269 2.75 1.025A9.578 9.578 0 0112 6.836c.85.004 1.705.114 2.504.336 1.909-1.294 2.747-1.025 2.747-1.025.546 1.377.203 2.394.1 2.647.64.699 1.028 1.592 1.028 2.683 0 3.842-2.339 4.687-4.566 4.935.359.309.678.919.678 1.852 0 1.336-.012 2.415-.012 2.743 0 .267.18.578.688.48C19.138 20.167 22 16.418 22 12c0-5.523-4.477-10-10-10z"/></svg>'); }
.z3cdbficon-id { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 14H4V6h16v12zM6 10h12v2H6zm0-4h12v2H6z"/></svg>'); }
.z3cdbficon-face { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm-5-6h10v2H7z"/></svg>'); }
.z3cdbficon-photo { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z"/></svg>'); }
.z3cdbficon-bank { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M11.5 1L2 6v2h19V6m-5 4v2h2V9m-4 0v2h2V9m-4 0v2h2V9m-4 0v2h2V9m-4 0v2h2V9M2 22h19v-2H2m0-4h19v-2H2m0-4h19v-2H2m0-4h19V8H2v2z"/></svg>'); }
.z3cdbficon-mobile { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M17 1.01L7 1c-1.1 0-2 .9-2 2v18c0 1.1.9 2 2 2h10c1.1 0 2-.9 2-2V3c0-1.1-.9-1.99-2-1.99zM17 19H7V5h10v14z"/></svg>'); }
.z3cdbficon-crypto { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1.41 16.09V20h-2.67v-1.93c-1.71-.36-3.16-1.46-3.27-3.4h1.96c.1 1.05.82 1.87 2.65 1.87 1.96 0 2.4-.98 2.4-1.59 0-.83-.44-1.61-2.67-2.14-2.48-.6-4.18-1.62-4.18-3.67 0-1.72 1.39-2.84 3.11-3.21V4h2.67v1.95c1.86.45 2.79 1.86 2.85 3.39H14.3c-.05-1.11-.64-1.87-2.22-1.87-1.5 0-2.4.68-2.4 1.64 0 .84.65 1.39 2.67 1.91s4.18 1.39 4.18 3.91c-.01 1.83-1.38 2.83-3.12 3.16z"/></svg>'); }
.z3cdbficon-card { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M20 4H4c-1.11 0-1.99.89-1.99 2L2 18c0 1.11.89 2 2 2h16c1.11 0 2-.89 2-2V6c0-1.11-.89-2-2-2zm0 14H4v-6h16v6zm0-10H4V6h16v2z"/></svg>'); }
.z3cdbficon-2fa { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 10.99h7c-.53 4.12-3.28 7.79-7 8.94V12H5V6.3l7-3.11v8.8z"/></svg>'); }
.z3cdbficon-password { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z"/></svg>'); }
.z3cdbficon-email { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>'); }
.z3cdbficon-whitelist { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>'); }
.z3cdbficon-wallet { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M21 7.28V5c0-1.1-.9-2-2-2H5c-1.11 0-2 .9-2 2v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2v-2.28c.59-.35 1-.98 1-1.72V9c0-.74-.41-1.37-1-1.72zM20 9v6h-7V9h7zM5 19V5h14v2H12c-1.1 0-2 .9-2 2v6c0 1.1.9 2 2 2h7v2H5z"/></svg>'); }
.z3cdbficon-signature { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M22 3H2C.9 3 0 3.9 0 5v14c0 1.1.9 2 2 2h20c1.1 0 1.99-.9 1.99-2L24 5c0-1.1-.9-2-2-2zm0 16H2V5h20v14zM12 6c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm0 10c-2.21 0-4-1.79-4-4s1.79-4 4-4 4 1.79 4 4-1.79 4-4 4z"/></svg>'); }
.z3cdbficon-monitor { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M20 3H4c-1.1 0-2 .9-2 2v11c0 1.1.9 2 2 2h3l-1 1v2h12v-2l-1-1h3c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 13H4V5h16v11z"/></svg>'); }
.z3cdbficon-shield { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007bff"><path d="M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 10.99h7c-.53 4.12-3.28 7.79-7 8.94V12H5V6.3l7-3.11v8.8z"/></svg>'); }

/* 响应式设计增强 */
@media (max-width: 1200px) {
    .z3cdbfcontainer {
        padding: 0 15px;
    }

    .z3cdbfhero-content h2 {
        font-size: 42px;
    }

    .z3cdbffeature-grid,
    .z3cdbfproduct-grid,
    .z3cdbfguide-steps,
    .z3cdbfsecurity-grid {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .z3cdbfhero-content h2 {
        font-size: 36px;
    }

    .z3cdbfhero-stats {
        gap: 40px;
    }

    .z3cdbfsection-title {
        font-size: 32px;
    }

    .z3cdbffeature-item,
    .z3cdbfproduct-item,
    .z3cdbfstep,
    .z3cdbfsecurity-item {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .z3cdbfheader .z3cdbfcontainer {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }

    .z3cdbflogo h1 {
        font-size: 20px;
        text-align: center;
    }

    .z3cdbfmain-nav ul {
        flex-direction: column;
        text-align: center;
        margin-top: 15px;
    }

    .z3cdbfmain-nav li {
        margin: 8px 0;
    }

    .z3cdbfhero {
        padding: 120px 0 60px;
    }

    .z3cdbfhero-content h2 {
        font-size: 28px;
    }

    .z3cdbfhero-content p {
        font-size: 16px;
    }

    .z3cdbfhero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .z3cdbfstat-number {
        font-size: 28px;
    }

    .z3cdbfdownload-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .z3cdbfbtn {
        margin: 8px 0;
        width: 100%;
        max-width: 300px;
    }

    .z3cdbfsection-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .z3cdbffeature-grid,
    .z3cdbfproduct-grid,
    .z3cdbfguide-steps,
    .z3cdbfsecurity-grid {
        grid-template-columns: 1fr;
    }

    .z3cdbffaq-container {
        flex-direction: column;
    }

    .z3cdbffaq-nav {
        flex: none;
        width: 100%;
        margin-bottom: 20px;
    }

    .z3cdbffaq-nav-list {
        display: flex;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .z3cdbffaq-nav-list li {
        flex: 0 0 auto;
        margin-right: 10px;
        margin-bottom: 0;
        white-space: nowrap;
    }

    .z3cdbffaq-question h3 {
        font-size: 16px;
    }

    .z3cdbfdownload-channels,
    .z3cdbfsystem-requirements,
    .z3cdbfregister-steps,
    .z3cdbfverification-requirements,
    .z3cdbfpayment-methods,
    .z3cdbffee-structure,
    .z3cdbfsecurity-measures,
    .z3cdbffund-security {
        grid-template-columns: 1fr;
    }

    .z3cdbffooter-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .z3cdbfsocial-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .z3cdbfhero-content h2 {
        font-size: 24px;
    }

    .z3cdbfhero-content p {
        font-size: 14px;
    }

    .z3cdbfstat-number {
        font-size: 24px;
    }

    .z3cdbfstat-text {
        font-size: 14px;
    }

    .z3cdbfsection-title {
        font-size: 24px;
    }

    .z3cdbffeature-item h3,
    .z3cdbfproduct-item h3,
    .z3cdbfstep h3,
    .z3cdbfsecurity-item h3 {
        font-size: 18px;
    }

    .z3cdbffaq-question {
        padding: 15px;
    }

    .z3cdbffaq-answer {
        padding: 0 15px 15px;
    }

    .z3cdbfchannel-item,
    .z3cdbfsystem-item,
    .z3cdbfstep-item,
    .z3cdbfrequirement-item,
    .z3cdbfpayment-item,
    .z3cdbffee-item,
    .z3cdbfsecurity-item,
    .z3cdbfsecurity-feature {
        padding: 15px;
    }

    .z3cdbfstep-number {
        width: 25px;
        height: 25px;
        font-size: 14px;
    }

    .z3cdbffee-rate {
        font-size: 20px;
    }

    [class^="z3cdbficon-"] {
        width: 20px;
        height: 20px;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .z3cdbffaq-nav-list li:hover {
        background: none;
    }

    .z3cdbfbtn:hover {
        transform: none;
    }

    .z3cdbfmain-nav a:hover {
        color: #333;
    }
}

/* 打印样式优化 */
@media print {
    .z3cdbfheader,
    .z3cdbfhero,
    .z3cdbfdownload-buttons,
    .z3cdbffooter {
        display: none;
    }

    body {
        color: #000;
    }

    .z3cdbfcontainer {
        max-width: 100%;
        padding: 0;
    }

    .z3cdbfsection-title {
        color: #000;
    }

    .z3cdbffeature-item,
    .z3cdbfproduct-item,
    .z3cdbfstep,
    .z3cdbfsecurity-item,
    .z3cdbffaq-item {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .z3cdbfmenu-toggle span {
        background-color: #fff;
    }

    .z3cdbfmain-nav {
        background-color: #2d2d2d;
    }

    .z3cdbfmain-nav li {
        border-bottom-color: #3d3d3d;
    }

    .z3cdbfmain-nav a {
        color: #fff;
    }
}