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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.z4e63dcontainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.z4e63dheader {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative;
    width: 100%;
    z-index: 1000;
}

.z4e63dheader .z4e63dcontainer {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 20px;
    min-height: 72px;
    height: auto;
    flex-wrap: wrap;
    row-gap: 8px;
    column-gap: 12px;
}

.z4e63dheader .z4e63dlogo {
    flex: 0 1 auto;
    min-width: 0;
    max-width: min(280px, 46vw);
}

.z4e63dlogo h1 {
    margin: 0;
    font-size: clamp(17px, 2.2vw, 24px);
    font-weight: bold;
    color: #000000;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 导航菜单 */
.z4e63dmain-nav {
    display: flex;
    align-items: center;
}

.z4e63dmain-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 20px;
}

.z4e63dmain-nav li {
    margin: 0;
}

.z4e63dmain-nav a {
    color: #333;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.z4e63dmain-nav a:hover {
    background: #f0f7ff;
    color: #1a73e8;
}

/* 移动端菜单按钮 */
.z4e63dmenu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.z4e63dclose-menu {
    display: none;
}

/* 英雄区域 */
.z4e63dhero {
    padding: 80px 0;
    background: #000000;
}

.z4e63dhero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.z4e63dhero-text {
    flex: 1;
    max-width: 600px;
}

.z4e63dhero-text h2 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.2;
}

.z4e63dhero-text p {
    font-size: 1.1rem;
    color: #cccccc;
    margin-bottom: 30px;
    line-height: 1.6;
}

.z4e63dhero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.z4e63dstat-item {
    text-align: center;
}

.z4e63dstat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 5px;
}

.z4e63dstat-label {
    font-size: 0.9rem;
    color: #cccccc;
}

.z4e63ddownload-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.z4e63dbtn {
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-align: center;
}

.z4e63dbtn-primary {
    background-color: #ffffff;
    color: #000000;
}

.z4e63dbtn-primary:hover {
    background-color: #cccccc;
}

.z4e63dbtn-secondary {
    background-color: #333333;
    color: #ffffff;
}

.z4e63dbtn-secondary:hover {
    background-color: #444444;
}

.z4e63dhero-image {
    flex: 1;
    max-width: 500px;
    text-align: center;
}

.z4e63dhero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .z4e63dhero-content {
        flex-direction: column;
        text-align: center;
    }

    .z4e63dhero-text {
        max-width: 100%;
    }

    .z4e63dhero-stats {
        justify-content: center;
    }

    .z4e63ddownload-buttons {
        justify-content: center;
    }

    .z4e63dhero-image {
        max-width: 100%;
        margin-top: 30px;
    }
}

@media (max-width: 576px) {
    .z4e63dhero {
        padding: 40px 0;
    }

    .z4e63dhero-text h2 {
        font-size: 2rem;
    }

    .z4e63dhero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .z4e63ddownload-buttons {
        flex-direction: column;
        width: 100%;
    }

    .z4e63dbtn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* 特性区域 */
.z4e63dfeatures {
    padding: 80px 0;
    background: #f8f9fa;
}

.z4e63dsection-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: #333;
}

.z4e63dfeatures-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.z4e63dfeature-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.z4e63dfeature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z4e63dfeature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
}

.z4e63dfeature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.z4e63dfeature-item p {
    margin-bottom: 20px;
    color: #666;
}

.z4e63dfeature-list {
    list-style: none;
    text-align: left;
    margin-top: 20px;
    width: 100%;
}

.z4e63dfeature-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    font-size: 14px;
    color: #666;
}

.z4e63dfeature-list li:before {
    content: "✓";
    color: #1a73e8;
    position: absolute;
    left: 0;
}

/* App下载区域 */
.z4e63dapp-download {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.z4e63dapp-download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.z4e63ddownload-option {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.z4e63ddownload-option:hover {
    transform: translateY(-5px);
}

.z4e63dplatform-header {
    margin-bottom: 20px;
    text-align: center;
}

.z4e63dplatform-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 15px;
}

.z4e63dplatform-header h3 {
    font-size: 24px;
    color: #333;
    margin: 0;
}

.z4e63dplatform-info {
    margin-bottom: 30px;
    width: 100%;
}

.z4e63dplatform-info p {
    color: #666;
    margin-bottom: 15px;
}

.z4e63dversion-info {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
}

.z4e63dversion-info li {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
    padding-left: 20px;
    position: relative;
}

.z4e63dversion-info li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1a73e8;
}

.z4e63ddownload-stats {
    margin: 20px 0;
    text-align: center;
}

.z4e63ddownload-count {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 5px;
}

.z4e63ddownload-label {
    color: #666;
    font-size: 14px;
}

.z4e63ddownload-benefits {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    width: 100%;
}

.z4e63ddownload-benefits h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
}

.z4e63ddownload-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.z4e63ddownload-benefits li {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
    padding-left: 20px;
    position: relative;
}

.z4e63ddownload-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a73e8;
}

.z4e63ddownload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    background: #1a73e8;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: auto;
}

.z4e63ddownload-btn:hover {
    background: #0d47a1;
    transform: translateY(-2px);
}

.z4e63dbtn-icon {
    margin-right: 8px;
}

/* 交易服务区域 */
.z4e63dtrading {
    padding: 80px 0;
    background: #fff;
}

.z4e63dtrading-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.z4e63dtrading-item {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.z4e63dtrading-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z4e63dtrading-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #0d47a1);
}

.z4e63dtrading-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    color: #1a73e8;
}

.z4e63dtrading-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.z4e63dtrading-item p {
    margin-bottom: 25px;
    color: #666;
    line-height: 1.6;
}

.z4e63dtrading-features {
    list-style: none;
    text-align: left;
    width: 100%;
    margin-top: 20px;
}

.z4e63dtrading-features li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    font-size: 14px;
    color: #666;
}

.z4e63dtrading-features li:before {
    content: "✓";
    color: #1a73e8;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.z4e63dtrading-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 25px;
    background: #1a73e8;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.z4e63dtrading-btn:hover {
    background: #0d47a1;
    transform: translateY(-2px);
}

/* 响应式设计优化 */
/* 大屏幕 (1200px以上) */
@media (min-width: 1200px) {
    .z4e63dcontainer {
        max-width: 1200px;
    }
    
    .z4e63dfeatures-grid,
    .z4e63dtrading-grid,
    .z4e63dabout-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 中等屏幕 (992px-1199px) */
@media (max-width: 1199px) {
    .z4e63dcontainer {
        max-width: 960px;
    }
    
    .z4e63dfeatures-grid,
    .z4e63dtrading-grid,
    .z4e63dabout-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dhero-content h2 {
        font-size: 2.5rem;
    }
    
    .z4e63dhero-stats {
        gap: 30px;
    }
}

/* 平板 (768px-991px) */
@media (max-width: 991px) {
    .z4e63dcontainer {
        max-width: 720px;
    }
    
    .z4e63dfeatures-grid,
    .z4e63dtrading-grid,
    .z4e63dabout-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dhero-content h2 {
        font-size: 2rem;
    }
    
    .z4e63dhero-stats {
        flex-wrap: wrap;
    }
    
    .z4e63dstat-item {
        width: calc(50% - 15px);
    }
    
    .z4e63dfooter-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .z4e63dfooter-brand {
        text-align: center;
    }
    
    .z4e63dsocial-links {
        justify-content: center;
    }
    
    .z4e63dfooter-links {
        grid-template-columns: 1fr;
    }
    
    .z4e63dregister-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dbenefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板及以下：抽屉导航（与桌面 992+ 断点衔接） */
@media (max-width: 991px) {
    .z4e63dheader {
        position: relative;
        z-index: 11000;
    }

    .z4e63dheader .z4e63dcontainer {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        column-gap: 10px;
        row-gap: 0;
        padding: 10px 15px;
        min-height: 56px;
    }

    .z4e63dheader .z4e63dlogo {
        flex: 1 1 auto;
        min-width: 0;
        max-width: none;
    }

    .z4e63dlogo h1 {
        font-size: clamp(16px, 4.2vw, 18px);
    }

    .z4e63dmenu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        padding: 0;
        position: relative;
        z-index: 11020;
        -webkit-tap-highlight-color: transparent;
    }

    .z4e63dmain-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(92vw, 400px);
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        margin: 0;
        flex: none;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        padding: 52px 16px 24px;
        box-shadow: -4px 0 20px rgba(15, 23, 42, 0.15);
        transform: translate3d(100%, 0, 0);
        transition: transform 0.28s ease, visibility 0.28s step-end;
        z-index: 11010;
        box-sizing: border-box;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        visibility: hidden;
        pointer-events: none;
    }

    .z4e63dmain-nav.active {
        transform: translate3d(0, 0, 0);
        transition: transform 0.28s ease, visibility 0s step-start;
        visibility: visible;
        pointer-events: auto;
    }

    .z4e63dmain-nav ul {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch;
        gap: 6px;
        width: 100%;
    }

    .z4e63dmain-nav .z4e63dnav {
        width: 100%;
    }

    .z4e63dmain-nav li,
    .z4e63dmain-nav .z4e63dnav-item {
        width: 100%;
        max-width: 100%;
    }

    .z4e63dmain-nav .z4e63dnav-item > a,
    .z4e63dmain-nav a {
        display: block;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 14px 14px;
        font-size: 16px;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: anywhere;
        border-radius: 10px;
    }

    .z4e63dmain-nav a:hover {
        background: #f8f9fa;
        color: #007bff;
    }

    .z4e63dclose-menu {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 10px;
        right: 10px;
        width: 44px;
        height: 44px;
        padding: 0;
        background: none;
        border: none;
        font-size: 24px;
        color: #333;
        cursor: pointer;
        z-index: 11030;
        -webkit-tap-highlight-color: transparent;
    }

    .z4e63dnav-overlay {
        position: fixed;
        inset: 0;
        width: 100%;
        height: 100dvh;
        background: rgba(15, 23, 42, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0.25s step-end;
        z-index: 11005;
    }

    .z4e63dnav-overlay.active {
        opacity: 1;
        visibility: visible;
        transition: opacity 0.25s ease, visibility 0s step-start;
    }

    body.z4e63dmenu-open {
        overflow: hidden;
        touch-action: none;
    }
}

/* 移动设备 (576px-767px) */
@media (max-width: 767px) {
    .z4e63dcontainer {
        max-width: 100%;
        padding: 0 15px;
    }
    
    /* 英雄区域移动端优化 */
    .z4e63dhero {
        padding: 80px 0 40px;
    }
    
    .z4e63dhero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .z4e63dhero-text {
        max-width: 100%;
    }
    
    .z4e63dhero-text h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .z4e63dhero-text p {
        font-size: 16px;
        margin-bottom: 20px;
    }
    
    .z4e63dhero-stats {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .z4e63dstat-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
    }
    
    .z4e63dstat-number {
        font-size: 24px;
    }
    
    .z4e63ddownload-buttons {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .z4e63dbtn {
        width: 100%;
        padding: 12px 20px;
        font-size: 16px;
    }
    
    .z4e63dhero-image {
        max-width: 100%;
        margin-top: 20px;
    }
    
    .z4e63dhero-image img {
        border-radius: 8px;
    }
    
    /* 特性区域移动端优化 */
    .z4e63dfeatures {
        padding: 40px 0;
    }
    
    .z4e63dsection-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .z4e63dfeatures-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dfeature-item {
        padding: 20px;
    }
    
    /* 交易服务区域移动端优化 */
    .z4e63dtrading {
        padding: 40px 0;
    }
    
    .z4e63dtrading-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dtrading-item {
        padding: 20px;
    }
    
    .z4e63dtrading-icon {
        font-size: 36px;
    }
    
    .z4e63dtrading-item h3 {
        font-size: 20px;
    }
    
    .z4e63dtrading-features {
        margin-top: 15px;
    }
    
    .z4e63dtrading-btn {
        width: 100%;
        margin-top: 15px;
    }
    
    /* 安全保障区域移动端优化 */
    .z4e63dsecurity {
        padding: 40px 0;
    }
    
    .z4e63dsecurity-framework {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dsecurity-pillar {
        margin-bottom: 20px;
    }
    
    .z4e63dpillar-header {
        padding: 20px;
    }
    
    .z4e63dpillar-content {
        padding: 20px;
    }
    
    .z4e63dsecurity-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .z4e63dsecurity-stats .z4e63dstat-item {
        width: 100%;
        padding: 20px;
    }
    
    /* 注册指南区域移动端优化 */
    .z4e63dregister-guide {
        padding: 40px 0;
    }
    
    .z4e63dregister-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dstep-item {
        padding: 20px;
    }
    
    .z4e63dbenefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dbenefit-item {
        padding: 20px;
    }
    
    /* 关于我们区域移动端优化 */
    .z4e63dabout {
        padding: 40px 0;
    }
    
    .z4e63dabout-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dfeature-card {
        padding: 20px;
    }
    
    .z4e63dabout-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .z4e63dabout-stats .z4e63dstat-item {
        width: 100%;
        padding: 20px;
    }
    
    /* 页脚移动端优化 */
    .z4e63dfooter {
        padding: 40px 0 0;
    }
    
    .z4e63dfooter-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .z4e63dfooter-brand {
        text-align: center;
    }
    
    .z4e63dsocial-links {
        justify-content: center;
    }
    
    .z4e63dfooter-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .z4e63dlink-group {
        text-align: center;
    }
    
    .z4e63dlink-group h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .z4e63dfooter-legal {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .z4e63dlegal-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* App下载区域移动端优化 */
    .z4e63dapp-download {
        padding: 40px 0;
    }

    .z4e63dapp-download-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .z4e63ddownload-option {
        padding: 25px 20px;
    }

    .z4e63dplatform-header {
        margin-bottom: 15px;
    }

    .z4e63dplatform-icon {
        font-size: 36px;
        margin-bottom: 10px;
    }

    .z4e63dplatform-header h3 {
        font-size: 20px;
    }

    .z4e63dplatform-info {
        margin-bottom: 20px;
    }

    .z4e63dplatform-info p {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .z4e63dversion-info {
        padding: 12px;
    }

    .z4e63dversion-info li {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .z4e63ddownload-stats {
        margin: 15px 0;
    }

    .z4e63ddownload-count {
        font-size: 20px;
    }

    .z4e63ddownload-label {
        font-size: 13px;
    }

    .z4e63ddownload-benefits {
        padding: 15px;
        margin: 15px 0;
    }

    .z4e63ddownload-benefits h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .z4e63ddownload-benefits li {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .z4e63ddownload-btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 15px;
        margin-top: 15px;
    }

    .z4e63dbtn-icon {
        margin-right: 6px;
    }
}

@media (max-width: 375px) {
    .z4e63dhero-text h2 {
        font-size: 22px;
    }
    
    .z4e63dhero-text p {
        font-size: 14px;
    }
    
    .z4e63dstat-number {
        font-size: 20px;
    }
    
    .z4e63dstat-label {
        font-size: 12px;
    }
    
    .z4e63dbtn {
        font-size: 14px;
        padding: 10px 15px;
    }
    
    .z4e63dsection-title {
        font-size: 20px;
    }
    
    .z4e63dfeature-item h3,
    .z4e63dtrading-item h3 {
        font-size: 18px;
    }
    
    .z4e63dfeature-list li,
    .z4e63dtrading-features li {
        font-size: 13px;
    }

    /* App下载区域小屏幕优化 */
    .z4e63ddownload-option {
        padding: 20px 15px;
    }

    .z4e63dplatform-header h3 {
        font-size: 18px;
    }

    .z4e63dplatform-info p {
        font-size: 13px;
    }

    .z4e63dversion-info li {
        font-size: 12px;
    }

    .z4e63ddownload-count {
        font-size: 18px;
    }

    .z4e63ddownload-label {
        font-size: 12px;
    }

    .z4e63ddownload-benefits h4 {
        font-size: 15px;
    }

    .z4e63ddownload-benefits li {
        font-size: 12px;
    }

    .z4e63ddownload-btn {
        font-size: 14px;
        padding: 10px 15px;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .z4e63dhero {
        padding: 60px 0;
    }
    
    .z4e63dhero-content {
        padding: 20px 0;
    }
    
    .z4e63dhero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .z4e63dstat-item {
        width: calc(50% - 15px);
    }
}

/* 减少动画效果 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .z4e63dbtn:hover,
    .z4e63dfeature-item:hover,
    .z4e63dtrading-item:hover,
    .z4e63dsecurity-pillar:hover,
    .z4e63dstep-item:hover,
    .z4e63dbenefit-item:hover,
    .z4e63dfeature-card:hover {
        transform: none;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 安全保障区域 */
.z4e63dsecurity {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.z4e63dsecurity-content {
    max-width: 1200px;
    margin: 0 auto;
}

.z4e63dsecurity-intro {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.z4e63dsecurity-intro p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
}

.z4e63dsecurity-framework {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.z4e63dsecurity-pillar {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.z4e63dsecurity-pillar:hover {
    transform: translateY(-5px);
}

.z4e63dpillar-header {
    background: #1a73e8;
    color: #fff;
    padding: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.z4e63dpillar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255,255,255,0.2);
}

.z4e63dpillar-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}

.z4e63dpillar-header h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.z4e63dpillar-content {
    padding: 30px;
}

.z4e63dsecurity-feature {
    margin-bottom: 30px;
}

.z4e63dsecurity-feature:last-child {
    margin-bottom: 0;
}

.z4e63dsecurity-feature h4 {
    color: #1a73e8;
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
}

.z4e63dfeature-details p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}

.z4e63dfeature-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z4e63dfeature-details li {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z4e63dfeature-details li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a73e8;
}

.z4e63dsecurity-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.z4e63dsecurity-stats .z4e63dstat-item {
    text-align: center;
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 200px;
    transition: transform 0.3s ease;
}

.z4e63dsecurity-stats .z4e63dstat-item:hover {
    transform: translateY(-5px);
}

.z4e63dsecurity-stats .z4e63dstat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 10px;
}

.z4e63dsecurity-stats .z4e63dstat-label {
    color: #666;
    font-size: 16px;
}

@media (max-width: 992px) {
    .z4e63dsecurity-framework {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dsecurity-stats {
        flex-wrap: wrap;
    }
    
    .z4e63dsecurity-stats .z4e63dstat-item {
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .z4e63dsecurity-framework {
        grid-template-columns: 1fr;
    }
    
    .z4e63dsecurity-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .z4e63dsecurity-stats .z4e63dstat-item {
        width: 100%;
        max-width: 300px;
    }
    
    .z4e63dpillar-header {
        padding: 20px;
    }
    
    .z4e63dpillar-header h3 {
        font-size: 20px;
    }
    
    .z4e63dpillar-content {
        padding: 20px;
    }
    
    .z4e63dsecurity-feature {
        margin-bottom: 20px;
    }
}

/* 注册指南区域 */
.z4e63dregister-guide {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.z4e63dregister-content {
    max-width: 1200px;
    margin: 0 auto;
}

.z4e63dregister-intro {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.z4e63dregister-intro p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
}

.z4e63dregister-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.z4e63dstep-item {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 30px;
    position: relative;
    transition: transform 0.3s ease;
}

.z4e63dstep-item:hover {
    transform: translateY(-5px);
}

.z4e63dstep-number {
    width: 40px;
    height: 40px;
    background: #1a73e8;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
}

.z4e63dstep-content h3 {
    color: #333;
    font-size: 20px;
    margin-bottom: 15px;
}

.z4e63dstep-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z4e63dstep-content li {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z4e63dstep-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a73e8;
}

.z4e63dregister-benefits {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.z4e63dregister-benefits h3 {
    text-align: center;
    color: #333;
    font-size: 24px;
    margin-bottom: 40px;
}

.z4e63dbenefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.z4e63dbenefit-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.z4e63dbenefit-item:hover {
    transform: translateY(-5px);
}

.z4e63dbenefit-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.z4e63dbenefit-item h4 {
    color: #333;
    font-size: 18px;
    margin-bottom: 10px;
}

.z4e63dbenefit-item p {
    color: #666;
    font-size: 14px;
}

/* 关于我们区域 */
.z4e63dabout {
    padding: 80px 0;
    background: #fff;
}

.z4e63dabout-content {
    max-width: 1200px;
    margin: 0 auto;
}

.z4e63dabout-intro {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.z4e63dabout-intro p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
}

.z4e63dabout-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.z4e63dfeature-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: transform 0.3s ease;
}

.z4e63dfeature-card:hover {
    transform: translateY(-5px);
}

.z4e63dfeature-card .z4e63dfeature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.z4e63dfeature-card h3 {
    color: #333;
    font-size: 20px;
    margin-bottom: 20px;
}

.z4e63dfeature-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.z4e63dfeature-card li {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z4e63dfeature-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a73e8;
}

.z4e63dabout-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.z4e63dabout-stats .z4e63dstat-item {
    text-align: center;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    min-width: 200px;
    transition: transform 0.3s ease;
}

.z4e63dabout-stats .z4e63dstat-item:hover {
    transform: translateY(-5px);
}

.z4e63dabout-stats .z4e63dstat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 10px;
}

.z4e63dabout-stats .z4e63dstat-label {
    color: #666;
    font-size: 16px;
}

@media (max-width: 992px) {
    .z4e63dregister-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dbenefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .z4e63dabout-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .z4e63dregister-steps {
        grid-template-columns: 1fr;
    }
    
    .z4e63dbenefits-grid {
        grid-template-columns: 1fr;
    }
    
    .z4e63dabout-features {
        grid-template-columns: 1fr;
    }
    
    .z4e63dabout-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .z4e63dabout-stats .z4e63dstat-item {
        width: 100%;
        max-width: 300px;
    }
    
    .z4e63dstep-item,
    .z4e63dbenefit-item,
    .z4e63dfeature-card {
        padding: 20px;
    }
}

/* 页脚样式 */
.z4e63dfooter {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 0;
}

.z4e63dfooter-content {
    max-width: 1200px;
    margin: 0 auto;
}

.z4e63dfooter-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.z4e63dfooter-brand {
    max-width: 300px;
}

.z4e63dfooter-brand h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #fff;
}

.z4e63dfooter-brand p {
    color: #999;
    margin-bottom: 20px;
    line-height: 1.6;
}

.z4e63dsocial-links {
    display: flex;
    gap: 15px;
}

.z4e63dsocial-link {
    color: #fff;
    text-decoration: none;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.z4e63dsocial-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.z4e63dfooter-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}

.z4e63dlink-group h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.z4e63dlink-group h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: #1a73e8;
}

.z4e63dlink-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z4e63dlink-group li {
    margin-bottom: 12px;
}

.z4e63dlink-group a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.z4e63dlink-group a:hover {
    color: #fff;
}

.z4e63dfooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    padding-bottom: 30px;
}

.z4e63dfooter-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.z4e63dlegal-links {
    display: flex;
    gap: 20px;
}

.z4e63dlegal-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.z4e63dlegal-links a:hover {
    color: #fff;
}

.z4e63dfooter-disclaimer {
    text-align: center;
    color: #999;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .z4e63dfooter-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .z4e63dfooter-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .z4e63dsocial-links {
        justify-content: center;
    }
    
    .z4e63dfooter-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .z4e63dfooter {
        padding: 40px 0 0;
    }
    
    .z4e63dfooter-links {
        grid-template-columns: 1fr;
    }
    
    .z4e63dfooter-legal {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .z4e63dlegal-links {
        justify-content: center;
    }
    
    .z4e63dlink-group {
        text-align: center;
    }
    
    .z4e63dlink-group h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* ---------- 扩展导航与内页布局 ---------- */
.z4e63dnav.z4e63dthis,
.z4e63dnav-item.z4e63dthis,
.z4e63dnav-item.z4e63dthis a {
    color: #1a73e8;
}

.z4e63dnav-item.z4e63dthis > a {
    background: #f0f7ff;
}

.z4e63dmain-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.z4e63dmain-nav .z4e63dnav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-content: flex-start;
    align-items: flex-start;
    gap: 6px 8px;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.z4e63dnav-item {
    margin: 0;
    flex: 0 1 auto;
    min-width: 0;
    max-width: 100%;
}

.z4e63dnav-item > a {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 4px;
    max-width: 100%;
    box-sizing: border-box;
    word-break: break-word;
    overflow-wrap: anywhere;
    line-height: 1.35;
    font-size: clamp(13px, 1.1vw, 15px);
}

.z4e63dnav-item--cms {
    position: relative;
    margin-left: 4px;
    padding-left: 12px;
    border-left: 1px solid rgba(0, 0, 0, 0.08);
    flex: 0 1 auto;
    min-width: 0;
    max-width: 100%;
}

.z4e63dnav-item--cms > a {
    max-width: min(14em, 100%);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}

.z4e63dnav-child {
    margin: 0;
    padding: 8px 10px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 140px;
    max-width: min(300px, calc(100vw - 32px));
    max-height: min(320px, 70vh);
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
}

.z4e63dnav-child-dd {
    margin: 0;
    padding: 4px 0;
}

.z4e63dnav-child-dd a {
    font-size: 13px;
    color: #444;
    word-break: break-word;
    overflow-wrap: anywhere;
}

@media (min-width: 992px) {
    .z4e63dheader .z4e63dcontainer {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        column-gap: 16px;
    }

    .z4e63dheader .z4e63dlogo {
        flex-shrink: 0;
    }

    .z4e63dmain-nav {
        flex: 1 1 0;
        min-width: 0;
        max-width: 100%;
    }

    .z4e63dclose-menu {
        display: none !important;
    }

    .z4e63dmain-nav .z4e63dnav {
        justify-content: flex-end;
    }

    .z4e63dnav-item--cms .z4e63dnav-child {
        display: none;
        position: absolute;
        left: 0;
        top: 100%;
        z-index: 1100;
    }

    .z4e63dnav-item--cms:hover .z4e63dnav-child,
    .z4e63dnav-item--cms:focus-within .z4e63dnav-child {
        display: block;
    }

    .z4e63dnav-item--cms:last-child .z4e63dnav-child {
        left: auto;
        right: 0;
    }
}

@media (max-width: 991px) {
    .z4e63dnav-item--cms {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        width: 100%;
    }

    .z4e63dnav-item--cms > a {
        max-width: 100%;
        white-space: normal;
    }

    .z4e63dmain-nav .z4e63dnav-child {
        position: static;
        box-shadow: none;
        border: 1px solid #eee;
        margin-top: 6px;
        max-width: 100%;
        max-height: none;
    }
}

.z4e63dpage-sub {
    padding-top: 0;
}

.z4e63dinner-hero {
    background: #f3f5f9;
    padding: 16px 0;
}

.z4e63dbreadcrumb {
    font-size: 14px;
    color: #666;
    margin-bottom: 18px;
    line-height: 1.5;
    flex-wrap: wrap;
    display: flex;
    align-items: center;
    gap: 4px 0;
}

.z4e63dbreadcrumb a {
    color: #1a73e8;
    text-decoration: none;
}

.z4e63dbreadcrumb a:hover {
    text-decoration: underline;
}

.z4e63dbreadcrumb-sep {
    margin: 0 6px;
    color: #999;
}

.z4e63dmain-with-sidebar {
    padding-bottom: 48px;
}

.z4e63dlayout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
}

.z4e63dlist-main,
.z4e63darticle-main {
    min-width: 0;
}

.z4e63dsidebar {
    min-width: 0;
}

.z4e63dsidebar-block {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    padding: 16px 16px 12px;
    margin-bottom: 18px;
}

.z4e63dsidebar-title {
    font-size: 16px;
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #1a73e8;
    color: #222;
}

.z4e63dsidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.z4e63dsidebar-list--media li {
    margin-bottom: 10px;
}

.z4e63dsidebar-media {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    text-decoration: none;
    color: inherit;
}

.z4e63dsidebar-thumb img {
    width: 72px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
    display: block;
}

.z4e63dsidebar-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.z4e63dsidebar-item-title {
    font-size: 14px;
    font-weight: 600;
    color: #222;
    line-height: 1.35;
}

.z4e63dsidebar-item-desc {
    font-size: 12px;
    color: #777;
    line-height: 1.4;
}

.z4e63dsidebar-list--plain li {
    margin-bottom: 8px;
    font-size: 14px;
}

.z4e63dsidebar-list--plain a {
    color: #1a73e8;
    text-decoration: none;
}

.z4e63dsidebar-list--plain a:hover {
    text-decoration: underline;
}

.z4e63dsidebar-sonnav {
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.z4e63dsidebar-sonrow {
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed #e5e5e5;
}

.z4e63dsidebar-cat {
    margin-bottom: 12px;
}

.z4e63dsidebar-subtitle {
    margin: 0 0 8px;
    font-size: 15px;
}

.z4e63dsidebar-subtitle a {
    color: #222;
    text-decoration: none;
}

.z4e63dmeta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 12px 0 0;
    padding: 0;
}

.z4e63dmeta-tags--sidebar {
    margin: 0;
}

.z4e63dtagitem a {
    display: inline-block;
    padding: 4px 10px;
    background: #f0f4ff;
    border-radius: 20px;
    font-size: 13px;
    color: #1a73e8;
    text-decoration: none;
}

.z4e63dcity-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 10px;
}

.z4e63dlist-header {
    margin-bottom: 20px;
}

.z4e63dlist-title {
    font-size: 1.75rem;
    margin: 0 0 8px;
    color: #222;
}

.z4e63dlist-intro {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.z4e63dlist-articles {
    list-style: none;
    margin: 0;
    padding: 0;
}

.z4e63dlist-row {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid #eee;
    align-items: flex-start;
}

.z4e63dlist-thumb {
    width: 280px;
    max-width: 38%;
    flex-shrink: 0;
}

.z4e63dlist-thumb .z4e63dthumb-link {
    display: block;
    border-radius: 10px;
    overflow: hidden;
    background: #eceff3;
    aspect-ratio: 16 / 10;
}

.z4e63dlist-thumb img,
.z4e63dcard-thumb .z4e63dthumb-link img,
.z4e63dthumb-link > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: inherit;
}

.z4e63dcard-thumb .z4e63dthumb-link {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    background: #eceff3;
    aspect-ratio: 16 / 10;
    max-width: 200px;
}

.z4e63dcard-list--compact .z4e63dcard-thumb .z4e63dthumb-link {
    max-width: 160px;
}

.z4e63dlist-text {
    flex: 1;
    min-width: 0;
}

.z4e63dlist-title-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    align-items: baseline;
    margin-bottom: 6px;
}

.z4e63dlist-typelink {
    font-size: 13px;
    color: #888;
}

.z4e63dlist-article-title {
    font-size: 18px;
    font-weight: 600;
    color: #111;
    text-decoration: none;
}

.z4e63dlist-article-title:hover {
    color: #1a73e8;
}

.z4e63dlist-info {
    font-size: 13px;
    color: #888;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-bottom: 8px;
}

.z4e63dlist-introtext {
    font-size: 14px;
    color: #555;
    line-height: 1.55;
    margin: 0;
}

.z4e63dpagebar-lr {
    margin-top: 24px;
    padding: 16px 0 8px;
}

.z4e63dpagebar-lr .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 14px;
    width: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
}

.z4e63dpagebar-lr .pagelist > li {
    flex: 0 0 auto;
}

.z4e63darticle-header {
    margin-bottom: 16px;
}

.z4e63darticle-title {
    font-size: 1.85rem;
    line-height: 1.25;
    margin: 0 0 10px;
    color: #111;
}

.z4e63darticle-meta {
    font-size: 14px;
    color: #666;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
}

.z4e63darticle-meta a {
    color: #1a73e8;
    text-decoration: none;
}

.z4e63darticle-litpic {
    margin: 16px 0;
    text-align: center;
}

.z4e63dlitpic-thumb {
    max-width: min(100%, 420px);
    width: auto;
    height: auto;
    max-height: 260px;
    object-fit: contain;
    border-radius: 12px;
    display: inline-block;
    vertical-align: middle;
    background: #f3f5f9;
}

.z4e63darticle-body {
    font-size: 16px;
    line-height: 1.75;
    color: #333;
    word-break: break-word;
}

.z4e63darticle-body img {
    max-width: 100%;
    height: auto;
}

.z4e63darticle-gallery {
    margin-top: 24px;
}

.z4e63darticle-figure {
    margin: 0 0 16px;
}

.z4e63darticle-figure img {
    max-width: 100%;
    border-radius: 10px;
    display: block;
}

.z4e63darticle-figure figcaption {
    font-size: 14px;
    color: #666;
    margin-top: 6px;
}

.z4e63ddiyfield {
    margin-top: 20px;
    padding: 12px;
    background: #fafafa;
    border-radius: 8px;
    font-size: 14px;
}

.z4e63darticle-prenext {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin: 28px 0;
    padding: 14px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.z4e63dprenext-item {
    flex: 1 1 200px;
    min-width: 0;
}

.z4e63dblock-title {
    font-size: 1.25rem;
    margin: 0 0 14px;
    color: #222;
}

.z4e63dcard-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.z4e63dcard-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #eee;
    align-items: flex-start;
}

.z4e63dcard-item--stack {
    flex-direction: column;
}

.z4e63dcard-thumb {
    flex-shrink: 0;
}

.z4e63dcard-thumb > img {
    width: 200px;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    display: block;
}

.z4e63dcard-body {
    flex: 1;
    min-width: 0;
}

.z4e63dcard-title {
    font-weight: 600;
    color: #111;
    text-decoration: none;
    font-size: 16px;
}

.z4e63dcard-title:hover {
    color: #1a73e8;
}

.z4e63dcard-desc {
    margin: 6px 0 0;
    font-size: 14px;
    color: #555;
    line-height: 1.55;
}

.z4e63dcard-list--compact .z4e63dcard-item {
    padding: 10px 0;
}

.z4e63dcard-list--compact .z4e63dcard-thumb .z4e63dthumb-link {
    max-width: 120px;
}

.z4e63dchannel-loop {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.z4e63dchannel-loop-item {
    background: #f8fafc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.z4e63dchannel-loop-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 14px;
}

.z4e63dchannel-loop-son a {
    margin-right: 10px;
    color: #1a73e8;
    text-decoration: none;
}

.z4e63dchannel-loop-more {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
}

.z4e63dchannel-loop-item h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.z4e63dchannel-loop-item h3 a {
    color: #111;
    text-decoration: none;
}

.z4e63dsql-demo {
    margin-top: 24px;
}

.z4e63dfaq-section {
    padding: 56px 0;
    background: #fff;
}

.z4e63dfaq-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
    display: grid;
    gap: 12px;
}

.z4e63dfaq-list a {
    display: block;
    padding: 14px 18px;
    background: #f8f9fa;
    border-radius: 10px;
    color: #222;
    text-decoration: none;
    border: 1px solid #e9ecef;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.z4e63dfaq-list a:hover {
    background: #f0f7ff;
    border-color: #b3d4fc;
    color: #1a73e8;
}

.z4e63dhome-articles {
    padding: 56px 0 72px;
    background: #f8f9fa;
}

.z4e63dhome-articles-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}

.z4e63dhome-article-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.z4e63dhome-article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.1);
}

.z4e63dhome-article-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eee;
}

.z4e63dhome-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.z4e63dhome-article-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    padding: 10px 12px 14px;
    line-height: 1.4;
    flex: 1;
}

.z4e63dhome-article-title a {
    color: #222;
    text-decoration: none;
}

.z4e63dhome-article-title a:hover {
    color: #1a73e8;
}

.z4e63dfriend-links {
    background: #f3f5f9;
    padding: 24px 0 32px;
    border-top: 1px solid #e5e8ec;
}

.z4e63dfriend-links h4 {
    margin: 0 0 12px;
    font-size: 16px;
    color: #333;
}

.z4e63dfriend-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
}

.z4e63dfriend-links a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
}

.z4e63dfriend-links a:hover {
    color: #1a73e8;
}

@media (max-width: 1199px) {
    .z4e63dhome-articles-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .z4e63dlayout {
        grid-template-columns: 1fr;
    }

    .z4e63dsidebar {
        order: 2;
    }

    .z4e63dlist-main,
    .z4e63darticle-main {
        order: 1;
    }

    .z4e63dlist-row {
        flex-direction: column;
    }

    .z4e63dlist-thumb {
        width: 100%;
        max-width: 100%;
    }

    .z4e63dlist-thumb .z4e63dthumb-link {
        max-height: 220px;
        aspect-ratio: 16 / 10;
    }

    .z4e63dlist-thumb .z4e63dthumb-link img {
        max-height: 220px;
        object-fit: cover;
    }

    .z4e63dcard-item {
        flex-direction: column;
    }

    .z4e63dcard-thumb .z4e63dthumb-link {
        max-width: 100%;
        max-height: 200px;
    }

    .z4e63dcard-thumb .z4e63dthumb-link img {
        max-height: 200px;
    }
}

@media (max-width: 767px) {
    .z4e63dhome-articles-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .z4e63dhome-article-title {
        font-size: 13px;
        padding: 8px 10px 12px;
    }

    .z4e63dfaq-section,
    .z4e63dhome-articles {
        padding: 36px 0 48px;
    }

    .z4e63dpagebar-lr .pagelist {
        justify-content: center;
    }

    .z4e63darticle-title {
        font-size: 1.45rem;
    }
}

@media (max-width: 400px) {
    .z4e63dhome-articles-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 首页新版视觉（body.z4e63dpg） ========== */
body.z4e63dpg {
    font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #1a2332;
    background: #f4f6fb;
}

body.z4e63dpg .z4e63dpg-main {
    padding-top: 0;
}

.z4e63dpg-hero {
    position: relative;
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
    overflow: hidden;
    color: #e8edf7;
}

.z4e63dpg-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(245, 158, 11, 0.35) 0%, transparent 55%),
        radial-gradient(90% 70% at 0% 100%, rgba(56, 189, 248, 0.2) 0%, transparent 50%),
        linear-gradient(165deg, #0b1220 0%, #111b2e 42%, #0f172a 100%);
    z-index: 0;
}

.z4e63dpg-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.z4e63dpg-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 158, 11, 0.95);
    margin: 0 0 0.75rem;
    font-weight: 600;
}

.z4e63dpg-hero-title {
    font-size: clamp(1.85rem, 4.2vw, 2.75rem);
    line-height: 1.15;
    margin: 0 0 1rem;
    font-weight: 800;
    color: #fff;
}

.z4e63dpg-hero-lead {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    line-height: 1.65;
    color: rgba(226, 232, 240, 0.88);
    margin: 0 0 1.25rem;
    max-width: 38rem;
}

.z4e63dpg-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.65rem;
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
}

.z4e63dpg-hero-badges li {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #cbd5e1;
}

.z4e63dpg-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.z4e63dpg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.z4e63dpg-btn--solid {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
    color: #0b1220;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

.z4e63dpg-btn--solid:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
}

.z4e63dpg-btn--ghost {
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.06);
}

.z4e63dpg-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.5);
}

.z4e63dpg-btn--block {
    width: 100%;
}

.z4e63dpg-btn--light {
    background: #fff;
    color: #0f172a;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.z4e63dpg-btn--light:hover {
    transform: translateY(-1px);
}

.z4e63dpg-btn--on-dark {
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
}

.z4e63dpg-hero-note {
    font-size: 0.78rem;
    color: rgba(148, 163, 184, 0.95);
    margin: 0;
    max-width: 36rem;
}

.z4e63dpg-hero-visual {
    display: flex;
    justify-content: center;
}

.z4e63dpg-hero-card {
    width: 100%;
    max-width: 440px;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.z4e63dpg-hero-img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: middle;
}

.z4e63dpg-hero-card-foot {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    font-size: 0.8rem;
    color: #94a3b8;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.z4e63dpg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #64748b;
}

.z4e63dpg-dot--live {
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.25);
}

.z4e63dpg-strip {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
}

.z4e63dpg-strip-inner {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    padding: 1.25rem 20px;
}

.z4e63dpg-strip-item {
    text-align: center;
    padding: 0.5rem;
}

.z4e63dpg-strip-item strong {
    display: block;
    font-size: 1.15rem;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.z4e63dpg-strip-item span {
    font-size: 0.78rem;
    color: #64748b;
    line-height: 1.35;
}

.z4e63dpg-section {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.z4e63dpg-section--alt {
    background: #fff;
}

.z4e63dpg-section--download {
    background: #fff;
}

.z4e63dpg-section--about {
    background: #0f172a;
    color: #e2e8f0;
}

.z4e63dpg-section--about .z4e63dpg-h2,
.z4e63dpg-section--about .z4e63dpg-sub {
    color: #f1f5f9;
}

.z4e63dpg-section--about p {
    color: #cbd5e1;
}

.z4e63dpg-section--news {
    background: #fff;
}

/* ----- 首页五大板块（差异化布局 + SEO） ----- */
.z4e63dblk-kicker {
    margin: 0 0 0.5rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #ea580c;
}

.z4e63dblk-kicker--on-dark {
    color: #fbbf24;
}

.z4e63dblk-feat {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-top: 1px solid #e2e8f0;
}

.z4e63dblk-feat-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

.z4e63dblk-feat-head {
    position: sticky;
    top: 6.5rem;
}

.z4e63dblk-feat-h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.6rem, 3.2vw, 2.35rem);
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.z4e63dblk-feat-intro {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #475569;
}

.z4e63dblk-feat-list {
    list-style: none;
    margin: 0;
    padding: 0 0 0 1.25rem;
    border-left: 3px solid #e2e8f0;
}

.z4e63dblk-feat-item {
    position: relative;
    padding: 1.1rem 0 1.1rem 1.25rem;
    border-bottom: 1px solid #e2e8f0;
}

.z4e63dblk-feat-item::before {
    content: "";
    position: absolute;
    left: -1.4rem;
    top: 1.35rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #cbd5e1;
    box-shadow: 0 0 0 4px #f8fafc;
}

.z4e63dblk-feat-item:last-child {
    border-bottom: none;
}

.z4e63dblk-feat-item--accent {
    border-bottom: none;
    margin-top: 0.5rem;
    padding: 1.25rem 1rem 1.25rem 1.25rem;
    margin-left: -1.25rem;
    border-radius: 0 14px 14px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
}

.z4e63dblk-feat-item--accent::before {
    border-color: #f59e0b;
    background: #f59e0b;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
}

.z4e63dblk-feat-h3 {
    margin: 0 0 0.45rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
}

.z4e63dblk-feat-item--accent .z4e63dblk-feat-h3 {
    color: #fff;
}

.z4e63dblk-feat-item p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: #64748b;
}

.z4e63dblk-feat-item--accent p {
    color: #94a3b8;
}

.z4e63dblk-whyband {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: linear-gradient(115deg, #1e293b 0%, #0f172a 38%, #172554 100%);
    color: #e2e8f0;
}

.z4e63dblk-whyband-top {
    text-align: center;
    max-width: 46rem;
    margin: 0 auto 2.5rem;
}

.z4e63dblk-whyband-h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.z4e63dblk-whyband-lead {
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
    line-height: 1.65;
    color: #94a3b8;
}

.z4e63dblk-whyband-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #fbbf24;
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(251, 191, 36, 0.45);
    transition: background 0.15s ease, color 0.15s ease;
}

.z4e63dblk-whyband-more:hover {
    background: rgba(251, 191, 36, 0.12);
    color: #fde68a;
}

.z4e63dblk-whyband-rows {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.z4e63dblk-whyrow {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1.25rem;
    align-items: center;
    padding: 1.35rem 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.z4e63dblk-whyrow:last-child {
    border-bottom: none;
}

.z4e63dblk-whyrow:nth-child(even) {
    background: rgba(255, 255, 255, 0.07);
}

.z4e63dblk-whyrow-num {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1;
    color: rgba(251, 191, 36, 0.35);
    font-variant-numeric: tabular-nums;
}

.z4e63dblk-whyrow-h3 {
    margin: 0 0 0.4rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.z4e63dblk-whyrow-body p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.6;
    color: #94a3b8;
}

.z4e63dblk-trd {
    background: #f1f5f9;
}

.z4e63dblk-trd-head {
    text-align: center;
    max-width: 40rem;
    margin: 0 auto 2rem;
}

.z4e63dblk-trd-h2 {
    margin: 0 0 0.6rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.z4e63dblk-trd-sub {
    margin: 0;
    font-size: 0.92rem;
    color: #64748b;
    line-height: 1.65;
}

.z4e63dblk-trd-rail {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.z4e63dblk-trd-node {
    background: #fff;
    border-radius: 14px;
    padding: 1.35rem 1.2rem 1.25rem;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.z4e63dblk-trd-node::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
}

.z4e63dblk-trd-node--a::before {
    background: linear-gradient(90deg, #2563eb, #38bdf8);
}

.z4e63dblk-trd-node--b::before {
    background: linear-gradient(90deg, #7c3aed, #c026d3);
}

.z4e63dblk-trd-node--c::before {
    background: linear-gradient(90deg, #059669, #34d399);
}

.z4e63dblk-trd-node--d::before {
    background: linear-gradient(90deg, #ea580c, #fbbf24);
}

.z4e63dblk-trd-h3 {
    margin: 0.35rem 0 0.5rem;
    font-size: 1.08rem;
    color: #0f172a;
}

.z4e63dblk-trd-node p {
    margin: 0 0 0.65rem;
    font-size: 0.84rem;
    color: #64748b;
    line-height: 1.55;
}

.z4e63dblk-trd-ul {
    margin: 0 0 0.85rem;
    padding-left: 1.05rem;
    font-size: 0.8rem;
    color: #475569;
    line-height: 1.45;
}

.z4e63dblk-trd-link {
    font-size: 0.82rem;
    font-weight: 700;
    color: #1d4ed8;
    text-decoration: none;
}

.z4e63dblk-trd-link:hover {
    text-decoration: underline;
}

.z4e63dblk-sec {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: #e2e8f0;
}

.z4e63dblk-sec-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
    gap: 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
    border: 1px solid #cbd5e1;
}

.z4e63dblk-sec-panel {
    background: linear-gradient(165deg, #0f172a 0%, #1e1b4b 100%);
    color: #e2e8f0;
    padding: clamp(1.75rem, 4vw, 2.5rem);
}

.z4e63dblk-sec-h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.45rem, 2.8vw, 1.9rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.z4e63dblk-sec-lead {
    margin: 0 0 1.5rem;
    font-size: 0.88rem;
    line-height: 1.65;
    color: #94a3b8;
}

.z4e63dblk-sec-dl {
    margin: 0;
}

.z4e63dblk-sec-dlrow {
    display: grid;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 0.5rem 1rem;
    padding: 0.65rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.82rem;
}

.z4e63dblk-sec-dlrow:first-of-type {
    border-top: none;
    padding-top: 0;
}

.z4e63dblk-sec-dlrow dt {
    margin: 0;
    color: #64748b;
    font-weight: 600;
}

.z4e63dblk-sec-dlrow dd {
    margin: 0;
    color: #e2e8f0;
}

.z4e63dblk-sec-board {
    background: #fff;
    padding: clamp(1.75rem, 4vw, 2.5rem);
}

.z4e63dblk-sec-h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 800;
    color: #0f172a;
}

.z4e63dblk-sec-outline {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
    border-top: 1px solid #e2e8f0;
}

.z4e63dblk-sec-outline li {
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
    display: grid;
    gap: 0.35rem;
}

.z4e63dblk-sec-outline strong {
    font-size: 0.92rem;
    color: #0f172a;
}

.z4e63dblk-sec-outline span {
    font-size: 0.84rem;
    color: #64748b;
    line-height: 1.55;
}

.z4e63dblk-sec-aside {
    font-size: 0.8rem;
    line-height: 1.55;
    color: #64748b;
    padding: 1rem 1.1rem;
    border-radius: 12px;
    background: #f8fafc;
    border-left: 4px solid #f59e0b;
}

.z4e63dblk-sec-aside p {
    margin: 0;
}

.z4e63dblk-faqwrap {
    background: linear-gradient(180deg, #f8fafc 0%, #fff 45%);
    border-top: 1px solid #e2e8f0;
}

.z4e63dblk-faq-head {
    max-width: 38rem;
    margin: 0 auto 2rem;
    text-align: center;
}

.z4e63dblk-faq-h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.z4e63dblk-faq-intro {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.65;
    color: #64748b;
}

.z4e63dblk-faq {
    max-width: 44rem;
    margin: 0 auto;
}

.z4e63dblk-faqitem {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 0.65rem;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.z4e63dblk-faqsum {
    cursor: pointer;
    list-style: none;
    padding: 1rem 1.15rem 1rem 2.75rem;
    position: relative;
    font-weight: 700;
    font-size: 0.95rem;
    color: #0f172a;
    line-height: 1.45;
}

.z4e63dblk-faqsum::-webkit-details-marker {
    display: none;
}

.z4e63dblk-faqsum::before {
    content: "＋";
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 8px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.z4e63dblk-faqitem[open] .z4e63dblk-faqsum::before {
    content: "－";
    background: #fff7ed;
    color: #c2410c;
}

.z4e63dblk-faqbody {
    padding: 0 1.15rem 1.1rem 2.75rem;
    border-top: 1px solid #f1f5f9;
}

.z4e63dblk-faqbody p {
    margin: 0.65rem 0 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: #475569;
}

.z4e63dblk-faqbody p:first-child {
    margin-top: 0.75rem;
}

.z4e63dblk-faqbody a {
    font-weight: 600;
    color: #1d4ed8;
    text-decoration: none;
}

.z4e63dblk-faqbody a:hover {
    text-decoration: underline;
}

.z4e63dpg-sechead {
    text-align: center;
    max-width: 42rem;
    margin: 0 auto 2rem;
}

.z4e63dpg-sechead--left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.z4e63dpg-sechead--row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    max-width: none;
    text-align: left;
}

.z4e63dpg-h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
    margin: 0 0 0.5rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.z4e63dpg-sub {
    margin: 0;
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.6;
}

.z4e63dpg-linkarrow {
    font-weight: 600;
    font-size: 0.9rem;
    color: #ea580c;
    text-decoration: none;
    white-space: nowrap;
}

.z4e63dpg-linkarrow:hover {
    text-decoration: underline;
}

.z4e63dpg-textlink {
    font-size: 0.85rem;
    font-weight: 600;
    color: #2563eb;
    text-decoration: none;
}

.z4e63dpg-textlink:hover {
    text-decoration: underline;
}

.z4e63dpg-dlgrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(0, 0.85fr);
    gap: 1.25rem;
    align-items: stretch;
}

.z4e63dpg-dlcard {
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.z4e63dpg-dlplat {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #ea580c;
    margin-bottom: 0.35rem;
}

.z4e63dpg-dlcard h3 {
    margin: 0 0 0.65rem;
    font-size: 1.15rem;
}

.z4e63dpg-dlmeta {
    margin: 0 0 1rem;
    padding-left: 1rem;
    font-size: 0.82rem;
    color: #64748b;
    flex: 1;
}

.z4e63dpg-dlaside {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 16px;
    padding: 1.5rem;
}

.z4e63dpg-dlaside h4 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    color: #fff;
}

.z4e63dpg-ol {
    margin: 0 0 1.25rem;
    padding-left: 1.1rem;
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.55;
}

.z4e63dpg-dlqr {
    padding: 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.z4e63dpg-dlqr-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #f59e0b;
    margin-bottom: 0.35rem;
}

.z4e63dpg-dlqr p {
    margin: 0;
    font-size: 0.8rem;
    color: #cbd5e1;
    line-height: 1.45;
}

.z4e63dpg-steps {
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.z4e63dpg-steps li {
    display: flex;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 1rem;
}

.z4e63dpg-stepnum {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 10px;
    background: linear-gradient(135deg, #f59e0b, #ea580c);
    color: #0f172a;
    font-weight: 800;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z4e63dpg-steps h3 {
    margin: 0 0 0.35rem;
    font-size: 0.95rem;
    color: #0f172a;
}

.z4e63dpg-steps p {
    margin: 0;
    font-size: 0.8rem;
    color: #64748b;
    line-height: 1.45;
}

.z4e63dpg-benefitbar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
}

.z4e63dpg-benefitbar strong {
    display: block;
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 0.2rem;
}

.z4e63dpg-benefitbar span {
    font-size: 0.78rem;
    color: #94a3b8;
}

.z4e63dpg-aboutgrid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 2rem;
    align-items: start;
}

.z4e63dpg-checklist {
    margin: 1rem 0 0;
    padding-left: 1.1rem;
    color: #94a3b8;
    font-size: 0.88rem;
    line-height: 1.55;
}

.z4e63dpg-aboutpanel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.z4e63dpg-aboutstat {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 1rem 1.15rem;
    font-size: 0.85rem;
    color: #94a3b8;
}

.z4e63dpg-aboutstat span {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    color: #f59e0b;
    margin-bottom: 0.2rem;
}

.z4e63dpg-newsgrid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.z4e63dpg-newscard {
    background: #f8fafc;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.z4e63dpg-newscard:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
}

.z4e63dpg-newsthumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e2e8f0;
}

.z4e63dpg-newsthumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.z4e63dpg-newstitle {
    margin: 0;
    padding: 0.65rem 0.75rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.35;
}

.z4e63dpg-newstitle a {
    color: #0f172a;
    text-decoration: none;
}

.z4e63dpg-newstitle a:hover {
    color: #ea580c;
}

.z4e63dpg-cta {
    background: linear-gradient(120deg, #1e293b 0%, #0f172a 50%, #172554 100%);
    color: #e2e8f0;
    padding: clamp(2rem, 5vw, 3rem) 0;
}

.z4e63dpg-cta-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.z4e63dpg-cta-title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    color: #fff;
}

.z4e63dpg-cta-inner > div:first-child p {
    margin: 0;
    font-size: 0.9rem;
    color: #94a3b8;
    max-width: 28rem;
    line-height: 1.55;
}

.z4e63dpg-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.z4e63dpg-legalnote {
    padding: 1.25rem 0 2rem;
    background: #f4f6fb;
}

.z4e63dpg-legalnote p {
    margin: 0;
    font-size: 0.78rem;
    color: #64748b;
    line-height: 1.6;
    max-width: 52rem;
}

@media (max-width: 991px) {
    .z4e63dpg-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .z4e63dpg-hero-copy {
        order: 1;
    }

    .z4e63dpg-hero-visual {
        order: 2;
    }

    .z4e63dpg-hero-badges,
    .z4e63dpg-hero-actions,
    .z4e63dpg-hero-note {
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .z4e63dpg-hero-badges {
        justify-content: center;
    }

    .z4e63dpg-hero-actions {
        justify-content: center;
    }

    .z4e63dpg-hero-note {
        margin-left: auto;
        margin-right: auto;
    }

    .z4e63dpg-strip-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z4e63dblk-feat-grid {
        grid-template-columns: 1fr;
    }

    .z4e63dblk-feat-head {
        position: static;
        top: auto;
    }

    .z4e63dblk-feat-item--accent {
        margin-left: 0;
        border-radius: 14px;
    }

    .z4e63dblk-trd-rail {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z4e63dblk-sec-inner {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-dlgrid {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-steps {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-benefitbar {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-aboutgrid {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-newsgrid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .z4e63dpg-sechead--row {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .z4e63dpg-strip-inner {
        grid-template-columns: 1fr;
    }

    .z4e63dblk-trd-rail {
        grid-template-columns: 1fr;
    }

    .z4e63dblk-whyrow {
        grid-template-columns: 1fr;
        gap: 0.65rem;
        align-items: start;
    }

    .z4e63dblk-whyrow-num {
        font-size: 1.65rem;
    }

    .z4e63dblk-sec-dlrow {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .z4e63dblk-faqsum {
        padding: 0.9rem 0.85rem 0.9rem 2.5rem;
        font-size: 0.9rem;
    }

    .z4e63dblk-faqbody {
        padding: 0 0.85rem 1rem 2.5rem;
    }

    .z4e63dpg-newsgrid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z4e63dpg-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 420px) {
    .z4e63dpg-newsgrid {
        grid-template-columns: 1fr;
    }

    .z4e63dpg-btn {
        width: 100%;
    }
}