/* 基础重置 - OKX深色主题 */
.z407cebody {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    background: #000000;
    color: #ffffff;
}

/* 全局图片优化 */
.z407cebody img {
    max-width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.z407cecontainer {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* Flex工具类 */
.z407ceflex {
    display: flex;
}
.z407cejustify-between {
    justify-content: space-between;
}
.z407cealign-center {
    align-items: center;
}

/* Header & Nav - OKX深色主题 */
.z407ceheader {
    background: #000000;
    box-shadow: 0 2px 8px rgba(255,255,255,0.05);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.z407celogo-text {
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    letter-spacing: 2px;
}
.z407cenav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.2rem;
}
@media (max-width: 900px) {
    .z407cenav-list {
        gap: 1rem;
    }
}
.z407cenav-link {
    text-decoration: none;
    color: #ffffff;
    font-size: 1rem;
    transition: color 0.2s;
}
.z407cenav-link:hover {
    color: #00d9ff;
}
.z407cenav-toggle {
    display: none;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 0.35rem 0.45rem;
    cursor: pointer;
    line-height: 0;
}
.z407cenav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #ffffff;
    border-radius: 1px;
    margin: 4px 0;
}

/* Hero Banner - OKX深色主题 */
.z407cehero {
    background: linear-gradient(120deg, #000000 0%, #1a1a1a 100%);
    color: #fff;
    padding: 3rem 0 2rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.z407cehero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.z407cehero-line1 {
    display: block;
    font-size: 1.15em;
    font-weight: 700;
}
.z407cehero-line2 {
    display: block;
    font-size: 1.15em;
    font-weight: 700;
}
.z407cehero-desc {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.6);
}

/* 注册按钮：避免被广告层遮挡，保证可点击 */
.z407cehero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    position: relative;
    z-index: 10;
}
.z407cejoin-link {
    position: relative;
    z-index: 10;
}

/* 按钮 */
.z407cebtn {
    display: inline-block;
    padding: 0.75rem 2.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}
.z407cebtn-primary {
    background: #ffffff;
    color: #000000;
    border: 1px solid #ffffff;
}
.z407cebtn-primary:hover {
    background: rgba(255,255,255,0.9);
    color: #000000;
}
.z407cebtn-secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
}
.z407cebtn-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: #ffffff;
}

/* Section 标题 - OKX深色主题 */
.z407cesection-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 2rem 0 1.5rem 0;
    text-align: center;
    color: #ffffff;
}

/* 平台优势 */
.z407cefeatures-list {
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}
.z407cefeature-item {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    padding: 2rem 1.5rem;
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 270px;
    margin-bottom: 1.5rem;
    text-align: center;
}
.z407cefeature-title {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}
.z407cefeature-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
}

/* 下载区块 */
.z407cedownload-list {
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}
.z407cedownload-item {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1.5rem 1rem;
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 270px;
    margin-bottom: 1.5rem;
    text-align: center;
}
.z407cedownload-title {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

/* 关于我们 */
.z407ceabout-flex {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    flex-wrap: wrap;
}
.z407ceabout-imgwrap {
    flex: 1 1 320px;
    min-width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}
.z407ceabout-img {
    max-width: 320px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    display: block;
    object-fit: contain;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}
.z407ceabout-img:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 32px rgba(0,217,255,0.2);
    border-color: rgba(0,217,255,0.3);
}
.z407ceabout-content {
    flex: 2 1 400px;
    min-width: 260px;
    background: #1a1a1a;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
    font-size: 1.1rem;
    line-height: 1.8;
}
.z407ceabout-tags {
    margin-bottom: 1rem;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.z407ceabout-list {
    margin: 1.2rem 0 0 0;
    padding: 0 0 0 1.2rem;
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    line-height: 1.8;
}
.z407ceabout-list li {
    margin-bottom: 0.3rem;
    list-style: disc;
}

/* 联系我们表单 - OKX深色主题 */
.z407cecontact-form {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    max-width: 500px;
    margin: 0 auto;
}
.z407ceform-group {
    margin-bottom: 1.2rem;
}
.z407ceinput, .z407cetextarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    font-size: 1rem;
    margin-top: 0.3rem;
    box-sizing: border-box;
    background: rgba(255,255,255,0.05);
    color: #ffffff;
    resize: none;
}
.z407ceinput:focus, .z407cetextarea:focus {
    border-color: #00d9ff;
    outline: none;
    background: rgba(255,255,255,0.1);
}

/* Footer - OKX深色主题 */
.z407cefooter {
    background: #0a0a0a;
    color: rgba(255,255,255,0.85);
    margin-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 2.25rem 0 calc(1.25rem + env(safe-area-inset-bottom, 0px));
}
.z407cefooter .z407cecontainer {
    box-sizing: border-box;
}
.z407cefooter-main {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.z407cefooter-info {
    flex: 1 1 auto;
    min-width: 0;
    text-align: left;
}
.z407cefooter-logo {
    display: inline-block;
    font-size: 1.45rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 1px;
}
.z407cefooter-logo:hover {
    color: #00d9ff;
}
.z407cefooter-slogan {
    margin: 0.35rem 0 0;
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.5);
    max-width: 420px;
}
.z407cefooter-actions {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}
.z407cefooter-actions .z407cebtn {
    padding: 0.65rem 1.75rem;
    font-size: 0.92rem;
    min-width: 140px;
    text-align: center;
}
.z407cefooter-bottom {
    text-align: center;
    padding-top: 1.1rem;
}
.z407cefooter-copy {
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.35);
}

@media (max-width: 600px) {
    .z407cefooter {
        margin-top: 1.5rem;
        padding: 1.75rem 0 calc(1rem + env(safe-area-inset-bottom, 0px));
    }
    .z407cefooter .z407cecontainer {
        width: 100%;
        max-width: 100%;
        padding: 0 1rem;
    }
    .z407cefooter-main {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 0.7rem;
        padding-bottom: 1.25rem;
    }
    .z407cefooter-info {
        text-align: center;
        width: 100%;
    }
    .z407cefooter-logo {
        font-size: 1.28rem;
    }
    .z407cefooter-slogan {
        font-size: 0.84rem;
        max-width: 100%;
        padding: 0 0.5rem;
        margin-top: 0.3rem;
    }
    .z407cefooter-actions {
        flex-direction: column;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        gap: 0.65rem;
    }
    .z407cefooter-actions .z407cebtn {
        width: 100%;
        max-width: 300px;
        min-width: 0;
        box-sizing: border-box;
    }
    .z407cefooter-copy {
        font-size: 0.76rem;
        padding: 0 0.25rem;
        word-break: break-word;
    }
}

/* 响应式设计 */
@media (max-width: 900px) {
    .z407ceheader {
        position: static;
        top: auto;
    }
    .z407ceflex {
        flex-direction: row;
        gap: 0.8rem;
        flex-wrap: wrap;
    }
    .z407celogo {
        flex: 1 1 auto;
    }
    .z407cenav-toggle {
        display: inline-block;
    }
    .z407cenav {
        display: none;
        width: 100%;
        margin-top: 0.4rem;
        overflow: visible;
    }
    .z407ceheader.z407ceheader-open .z407cenav {
        display: block;
    }
    .z407cenav-list {
        flex-direction: column;
        gap: 0.4rem;
        white-space: normal;
        overflow-x: visible;
        padding-bottom: 0;
        justify-content: flex-start;
    }
    .z407cenav-link {
        display: block;
        padding: 0.5rem 0.6rem;
        border-radius: 8px;
    }
    .z407cecontainer {
        width: 98%;
        padding: 0 0.5rem;
    }
    .z407cehero {
        padding: 2.5rem 0 1.8rem 0;
    }
    .z407cehero-title {
        font-size: 1.8rem;
        line-height: 1.4;
    }
    .z407cehero-line1 {
        font-size: 1.22em;
        margin-bottom: 0.3rem;
    }
    .z407cehero-line2 {
        font-size: 1.22em;
    }
    .z407cehero-desc {
        font-size: 1rem;
        line-height: 1.8;
        padding: 0 0.5rem;
        color: rgba(255,255,255,0.6);
    }
    .z407cesection-title {
        font-size: 1.3rem;
    }
    .z407cefeature-item, .z407cedownload-item {
        min-width: 90%;
        max-width: 100%;
        padding: 1rem 0.5rem;
    }
    .z407ceabout-flex {
        flex-direction: column;
        gap: 1.2rem;
    }
    .z407ceabout-content {
        padding: 1.2rem 0.7rem;
    }
    .z407ceabout-img {
        max-width: 280px;
    }
    .z407ceabout-imgwrap {
        padding: 0.5rem;
    }
    .z407ceabout-tags {
        justify-content: center;
    }
    .z407ceabout-list {
        padding: 0;
        margin: 0.5rem 0 0 0;
    }
    .z407ceabout-list li {
        margin-bottom: 0.2rem;
    }
    .z407cehero-btns {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
    }
    .z407cehero-btns .z407cebtn-secondary {
        background: transparent;
        color: #fff;
        border: 1px solid #ffffff;
    }
    .z407cehero-btns .z407cebtn-secondary:hover {
        background: rgba(255,255,255,0.1);
        color: #fff;
    }
}
@media (max-width: 600px) {
    .z407cecontainer {
        width: 98%;
        padding: 0 0.5rem;
    }
    .z407cehero {
        padding: 2rem 0 1.5rem 0;
    }
    .z407cehero-title {
        font-size: 1.5rem;
        line-height: 1.5;
        margin-bottom: 0.8rem;
    }
    .z407cehero-line1 {
        font-size: 1.2em;
        margin-bottom: 0.4rem;
        display: block;
    }
    .z407cehero-line2 {
        font-size: 1.2em;
        display: block;
    }
    .z407cehero-desc {
        font-size: 0.95rem;
        line-height: 1.9;
        padding: 0 0.8rem;
        margin-bottom: 1.5rem;
        color: rgba(255,255,255,0.6);
    }
    .z407cesection-title {
        font-size: 1.3rem;
    }
    .z407cefeature-item, .z407cedownload-item {
        min-width: 90%;
        max-width: 100%;
        padding: 1rem 0.5rem;
    }
    .z407ceabout-content, .z407cecontact-form {
        padding: 1rem 0.5rem;
    }
    .z407ceabout-img {
        max-width: 100%;
        width: 100%;
    }
    .z407ceabout-imgwrap {
        padding: 0.5rem;
        width: 100%;
    }
    .z407cehero-btns {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
        width: 100%;
    }
    .z407cehero-btns .z407cebtn {
        width: 100%;
        max-width: 320px;
        margin-bottom: 0.5rem;
        box-sizing: border-box;
    }
    .z407cehero-btns .z407cebtn:last-child {
        margin-bottom: 0;
    }
    .z407cehero-btns .z407cebtn-secondary {
        background: transparent;
        color: #fff;
        border: 1px solid #ffffff;
    }
    .z407cehero-btns .z407cebtn-secondary:hover {
        background: rgba(255,255,255,0.1);
        color: #fff;
    }
} 

.z407cefeatures-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.1rem;
}
.z407cefeature-card {
    background: #1a1a1a;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    padding: 1.3rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    min-width: 0;
}
.z407cefeature-card:hover {
    box-shadow: 0 6px 24px rgba(0,217,255,0.15);
    transform: translateY(-4px) scale(1.03);
    border-color: rgba(0,217,255,0.3);
}
.z407cefeature-icon {
    font-size: 2.2rem;
    margin-bottom: 0.7rem;
}
.z407cefeature-title {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-align: center;
}
.z407cefeature-desc {
    font-size: 0.98rem;
    color: rgba(255,255,255,0.8);
    text-align: center;
    line-height: 1.7;
}
.z407cefeature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
    justify-content: center;
}
.z407cetag {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    color: #ffffff;
    font-size: 0.78rem;
    border-radius: 10px;
    padding: 0.13rem 0.7rem;
    font-weight: 500;
    letter-spacing: 1px;
    border: 1px solid rgba(255,255,255,0.2);
    white-space: nowrap;
}
@media (max-width: 1200px) {
    .z407cefeatures-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 700px) {
    .z407cefeatures-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z407cefeature-card {
        padding: 0.8rem 0.4rem 0.7rem 0.4rem;
    }
} 

.z407cedownload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 1.1rem;
}
.z407cedownload-card {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    padding: 1.2rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    min-width: 0;
}
/* 安卓按钮绿色 - OKX风格 */
.z407cedownload-card:nth-child(1) .z407cebtn-primary {
    background: #00ff88;
    color: #000000;
}
.z407cedownload-card:nth-child(1) .z407cebtn-primary:hover {
    background: #00cc6a;
}
/* iOS按钮白色 - OKX风格 */
.z407cedownload-card:nth-child(2) .z407cebtn-primary {
    background: #ffffff;
    color: #000000;
}
.z407cedownload-card:nth-child(2) .z407cebtn-primary:hover {
    background: rgba(255,255,255,0.9);
}
/* PC按钮蓝色 - OKX风格 */
.z407cedownload-card:nth-child(3) .z407cebtn-primary {
    background: #00d9ff;
    color: #000000;
}
.z407cedownload-card:nth-child(3) .z407cebtn-primary:hover {
    background: #00b8d4;
}
.z407cedownload-icon {
    font-size: 2.3rem;
    margin-bottom: 0.7rem;
}
.z407cedownload-title {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-align: center;
}
.z407cedownload-desc {
    font-size: 0.97rem;
    color: rgba(255,255,255,0.8);
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z407cedownload-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z407cedownload-card {
        padding: 1rem 0.7rem 0.8rem 0.7rem;
    }
} 

.z407cesection-divider {
    width: 80%;
    max-width: 700px;
    height: 0;
    border: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 3rem auto 3rem auto;
    background: none;
}
@media (max-width: 700px) {
    .z407cesection-divider {
        width: 96%;
        margin: 2rem auto 2rem auto;
    }
} 

.z407ceabout {
    background: #000000;
    padding: 2.5rem 0;
}
@media (max-width: 900px) {
    .z407ceabout {
        padding: 1.5rem 0;
    }
} 

.z407cenews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 1.1rem;
}
.z407cenews-card {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    padding: 1.2rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    min-width: 0;
    position: relative;
}
.z407cenews-card:hover {
    box-shadow: 0 6px 24px rgba(0,217,255,0.15);
    transform: translateY(-4px) scale(1.03);
    border-color: rgba(0,217,255,0.3);
}
.z407cenews-icon {
    font-size: 1.7rem;
    margin-bottom: 0.5rem;
}
.z407cenews-meta {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.3rem;
    flex-wrap: wrap;
}
.z407cenews-title {
    font-size: 1.05rem;
    color: #ffffff;
    font-weight: 600;
}
.z407cenews-time {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 0.08rem 0.6rem;
}
.z407cenews-desc {
    font-size: 0.97rem;
    color: rgba(255,255,255,0.8);
    margin-top: 0.2rem;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z407cenews-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z407cenews-card {
        padding: 1rem 0.7rem 0.8rem 0.7rem;
    }
} 

.z407cenews-bg {
    background: #1a1a1a;
    border-radius: 18px;
    padding: 2.5rem 0 2.5rem 0;
    border: 1px solid rgba(255,255,255,0.1);
}
.z407cenews-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.3rem 2.2rem;
    margin-top: 1.3rem;
}
.z407cenews-item {
    display: flex;
    align-items: flex-start;
    background: rgba(255,255,255,0.03);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    padding: 1.1rem 1.1rem 1.1rem 1.1rem;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    min-width: 0;
    position: relative;
}
.z407cenews-item:hover {
    box-shadow: 0 6px 24px rgba(0,217,255,0.15);
    transform: translateY(-3px) scale(1.02);
    border-color: rgba(0,217,255,0.3);
}
.z407cenews-iconbig {
    font-size: 2.2rem;
    margin-right: 1.2rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}
.z407cenews-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.z407cenews-badge {
    display: inline-block;
    background: rgba(0,217,255,0.2);
    color: #00d9ff;
    font-size: 0.78rem;
    border-radius: 8px;
    padding: 0.08rem 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
    border: 1px solid rgba(0,217,255,0.3);
}
.z407cenews-title {
    font-size: 1.08rem;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 0.1rem;
}
.z407cenews-desc {
    font-size: 0.97rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z407cenews-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z407cenews-bg {
        padding: 1.2rem 0 1.2rem 0;
    }
    .z407cenews-item {
        padding: 0.8rem 0.7rem 0.8rem 0.7rem;
    }
    .z407cenews-iconbig {
        font-size: 1.7rem;
        margin-right: 0.7rem;
    }
} 

/* 移除全局 .z407cenav 样式，确保只在移动端生效 */
@media (max-width: 900px) {
    .z407cenav {
        margin-bottom: 0.2rem;
    }
    .z407cenav-list {
        margin-bottom: 0;
    }
    .z407cenav-link {
        font-size: 0.95rem;
        padding: 0.5rem 0.7rem;
        background: none;
        border: none;
        text-decoration: none;
        box-shadow: none;
        margin: 0;
        color: #ffffff;
        transition: color 0.2s;
    }
    .z407cenav-link:hover {
        color: #00d9ff;
        background: none;
    }
} 

.z407celogo-link,
.z407celogo-link:visited,
.z407celogo-link:hover,
.z407celogo-link:active {
    text-decoration: none;
}