/* 基础布局与全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    background: #f4f7fb;
    color: #1a2233;
}
.zd004acontainer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 18px;
}
.zd004asite-header {
    background: linear-gradient(120deg, #2563eb 0%, #4f8cff 100%);
    color: #fff;
    padding: 80px 0 56px 0;
    text-align: center;
    border-radius: 0 0 32px 32px;
    box-shadow: 0 8px 32px rgba(37,99,235,0.10);
}
.zd004asite-header h1 {
    margin: 0 0 16px 0;
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-shadow: 0 2px 12px rgba(37,99,235,0.10);
}
.zd004asubtitle {
    font-size: 1.4rem;
    opacity: 0.92;
    margin-bottom: 28px;
    color: #e3e9f7;
    font-weight: 500;
}
.zd004abanner-desc {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.13rem;
    line-height: 1.8;
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 22px 18px 12px 18px;
    box-shadow: 0 2px 12px rgba(74,144,226,0.10);
}
.zd004abanner-desc ul {
    text-align: left;
    margin: 18px auto 0 auto;
    padding-left: 22px;
    max-width: 420px;
}
.zd004abanner-desc li {
    margin-bottom: 10px;
    font-size: 1.08rem;
}
.zd004asite-nav {
    background: #fff;
    box-shadow: 0 2px 16px rgba(37,99,235,0.08);
    border-radius: 0 0 18px 18px;
    padding: 0;
    margin-top: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.zd004anav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 18px;
    height: 64px;
}
.zd004anav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    letter-spacing: 2px;
}
.zd004asite-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}
.zd004asite-nav li {
    margin: 0 22px;
}
.zd004asite-nav a {
    display: block;
    padding: 18px 0;
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.08rem;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}
.zd004asite-nav a:hover {
    color: #1a2233;
    border-bottom: 2px solid #2563eb;
}
main {
    margin-top: 32px;
    margin-bottom: 32px;
}
.zd004acard {
    background: #fff;
    border-radius: 22px;
    box-shadow: 0 6px 32px rgba(37,99,235,0.10);
    margin-bottom: 38px;
    padding: 40px 32px;
}
.zd004acard h2 {
    margin-top: 0;
    color: #2563eb;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.zd004adownload-section {
    padding: 0;
}
.zd004adownload-frame {
    display: flex;
    gap: 40px;
    padding: 32px 0;
}
.zd004adownload-left {
    flex: 1 1 0;
    min-width: 0;
}
.zd004adownload-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
    justify-items: stretch;
    margin-top: 24px;
}
.zd004adownload-card {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 18px;
    padding: 48px 32px;
    box-shadow: 0 4px 24px rgba(37,99,235,0.08);
    text-align: center;
    font-size: 1.18rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.5px solid #e3e9f7;
}
.zd004adownload-card:hover {
    box-shadow: 0 12px 36px rgba(37,99,235,0.16);
    transform: translateY(-4px) scale(1.03);
    border-color: #2563eb;
}
.zd004adownload-card h3 {
    margin-top: 0;
    color: #2563eb;
    font-size: 1.35rem;
    font-weight: 700;
}
.zd004adownload-card p {
    color: #4f5b7a;
    font-size: 1.08rem;
    margin-bottom: 18px;
    margin-top: 8px;
}
.zd004abtn {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 36px;
    background: linear-gradient(90deg, #2563eb 0%, #4f8cff 100%);
    color: #fff;
    border-radius: 24px;
    font-size: 1.08rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
    border: none;
    outline: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
}
.zd004abtn:hover {
    background: linear-gradient(90deg, #4f8cff 0%, #2563eb 100%);
    transform: translateY(-2px) scale(1.04);
}
.zd004afeatures-list, .zd004ascenarios-list, .zd004achangelog-list {
    padding-left: 22px;
    margin: 0;
    font-size: 1.08rem;
    color: #3a4666;
}
.zd004afeatures-list li, .zd004ascenarios-list li, .zd004achangelog-list li {
    margin-bottom: 12px;
    line-height: 1.8;
}
.zd004afaq-list {
    margin-top: 18px;
}
.zd004afaq-item {
    margin-bottom: 18px;
}
.zd004afaq-item h3 {
    margin-bottom: 6px;
    color: #4a90e2;
    font-size: 1.1rem;
}
.zd004asite-footer {
    text-align: center;
    color: #8ca0c8;
    font-size: 1.05rem;
    padding: 24px 0 16px 0;
    background: none;
}
/* 响应式设计 */
@media (max-width: 1100px) {
    .zd004acontainer {
        padding: 0 6px;
    }
    .zd004anav-content {
        padding: 0 6px;
    }
}
@media (max-width: 900px) {
    .zd004anav-content {
        flex-direction: column;
        align-items: center;
        height: auto;
        padding: 8px 8px 0 8px;
    }
    .zd004anav-logo {
        font-size: 1.2rem;
        margin-bottom: 10px;
        text-align: center;
        width: 100%;
    }
    .zd004asite-nav ul {
        flex-direction: column;
        width: 100%;
        align-items: center;
        margin-top: 8px;
    }
    .zd004asite-nav li {
        margin: 0 0 16px 0;
        width: 100%;
        text-align: center;
    }
    .zd004asite-nav a {
        padding: 14px 0;
        font-size: 1.15rem;
        width: 100%;
        border-bottom: none;
        border-radius: 8px;
        transition: background 0.2s, color 0.2s;
    }
    .zd004asite-nav a:hover {
        background: #eaf1ff;
        color: #2563eb;
    }
    .zd004asite-header {
        padding: 44px 0 18px 0;
        border-radius: 0 0 18px 18px;
    }
    .zd004asite-header h1 {
        font-size: 2.1rem;
    }
    .zd004amain-download-btn {
        font-size: 1.08rem;
        padding: 14px 24px;
        margin-top: 18px;
    }
    .zd004acard {
        padding: 18px 6px;
    }
    .zd004adownload-frame {
        flex-direction: column;
        gap: 18px;
        padding: 12px 0;
    }
    .zd004adownload-options {
        grid-template-columns: 1fr;
        gap: 22px;
    }
    .zd004adownload-card {
        padding: 22px 10px;
        font-size: 1rem;
        min-height: 120px;
    }
}
@media (max-width: 600px) {
    .zd004asite-header {
        padding: 24px 0 8px 0;
    }
    .zd004asite-header h1 {
        font-size: 1.3rem;
    }
    .zd004amain-download-btn {
        font-size: 0.98rem;
        padding: 10px 10px;
    }
    .zd004acard {
        padding: 10px 2px;
    }
    .zd004adownload-card {
        padding: 12px 4px;
    }
}
.zd004adownload-info {
    margin-top: 28px;
    background: #eaf3ff;
    border-radius: 8px;
    padding: 18px 14px;
    font-size: 1.05rem;
}
.zd004adownload-info h3 {
    margin-top: 0;
    color: #357ab8;
    font-size: 1.1rem;
}
.zd004aadvantages-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 18px;
}
.zd004aadvantage-item {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 18px;
    padding: 44px 28px;
    box-shadow: 0 4px 18px rgba(37,99,235,0.08);
    text-align: center;
    font-size: 1.13rem;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.5px solid #e3e9f7;
}
.zd004aadvantage-item:hover {
    box-shadow: 0 8px 28px rgba(37,99,235,0.13);
    transform: translateY(-3px) scale(1.03);
    border-color: #2563eb;
}
.zd004aadvantage-item h3 {
    margin-top: 0;
    color: #2563eb;
    font-size: 1.18rem;
    font-weight: 700;
}
.zd004areviews-list {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 12px;
}
.zd004areview-item {
    flex: 1 1 220px;
    background: #f9f9fb;
    border-radius: 8px;
    padding: 16px 12px;
    box-shadow: 0 1px 4px rgba(74,144,226,0.04);
    font-size: 1.01rem;
    color: #333;
    position: relative;
}
.zd004areview-item span {
    display: block;
    margin-top: 10px;
    color: #888;
    font-size: 0.95rem;
    text-align: right;
}
@media (max-width: 900px) {
    .zd004aadvantages-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .zd004aadvantage-item {
        padding: 20px 8px;
        font-size: 1rem;
        min-height: 100px;
    }
}
.zd004amain-download-btn {
    display: inline-block;
    margin-top: 32px;
    padding: 22px 64px;
    background: linear-gradient(90deg, #2563eb 0%, #4f8cff 100%);
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 36px;
    text-decoration: none;
    box-shadow: 0 6px 24px rgba(37,99,235,0.18);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    letter-spacing: 2px;
    border: none;
    outline: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.zd004amain-download-btn:hover {
    background: linear-gradient(90deg, #4f8cff 0%, #2563eb 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 32px rgba(37,99,235,0.22);
}
.zd004aemoji {
    font-size: 1.15em;
    vertical-align: middle;
    margin: 0 2px;
    line-height: 1;
    user-select: none;
}
.zd004ascenarios-list-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.zd004ascenario-card {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    padding: 36px 18px;
    text-align: center;
    font-size: 1.08rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.2px solid #e3e9f7;
}
.zd004ascenario-card:hover {
    box-shadow: 0 8px 24px rgba(37,99,235,0.13);
    transform: translateY(-3px) scale(1.03);
    border-color: #2563eb;
}
.zd004ascenario-card h3 {
    margin-top: 0;
    color: #2563eb;
    font-size: 1.13rem;
    font-weight: 700;
}
@media (max-width: 1100px) {
    .zd004ascenarios-list-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media (max-width: 900px) {
    .zd004ascenarios-list-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .zd004ascenario-card {
        padding: 18px 6px;
        font-size: 0.98rem;
        min-height: 80px;
    }
}
.zd004asecurity-list-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.zd004asecurity-card {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    padding: 36px 18px;
    text-align: center;
    font-size: 1.08rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.2px solid #e3e9f7;
}
.zd004asecurity-card:hover {
    box-shadow: 0 8px 24px rgba(37,99,235,0.13);
    transform: translateY(-3px) scale(1.03);
    border-color: #2563eb;
}
.zd004asecurity-card h3 {
    margin-top: 0;
    color: #2563eb;
    font-size: 1.13rem;
    font-weight: 700;
}
@media (max-width: 1100px) {
    .zd004asecurity-list-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media (max-width: 900px) {
    .zd004asecurity-list-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .zd004asecurity-card {
        padding: 18px 6px;
        font-size: 0.98rem;
        min-height: 80px;
    }
}
.zd004areviews-list-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.zd004areview-card {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    padding: 36px 18px;
    text-align: center;
    font-size: 1.08rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.2px solid #e3e9f7;
}
.zd004areview-card:hover {
    box-shadow: 0 8px 24px rgba(37,99,235,0.13);
    transform: translateY(-3px) scale(1.03);
    border-color: #2563eb;
}
.zd004areview-user {
    display: block;
    margin-top: 14px;
    color: #8ca0c8;
    font-size: 0.98rem;
    text-align: right;
}
@media (max-width: 1100px) {
    .zd004areviews-list-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media (max-width: 900px) {
    .zd004areviews-list-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .zd004areview-card {
        padding: 18px 6px;
        font-size: 0.98rem;
        min-height: 80px;
    }
}
.zd004afeatures-list-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.zd004afeature-card {
    background: linear-gradient(120deg, #f4f7fb 60%, #eaf1ff 100%);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    padding: 36px 18px;
    text-align: center;
    font-size: 1.08rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1.2px solid #e3e9f7;
}
.zd004afeature-card:hover {
    box-shadow: 0 8px 24px rgba(37,99,235,0.13);
    transform: translateY(-3px) scale(1.03);
    border-color: #2563eb;
}
.zd004afeature-card h3 {
    margin-top: 0;
    color: #2563eb;
    font-size: 1.13rem;
    font-weight: 700;
}
@media (max-width: 1100px) {
    .zd004afeatures-list-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media (max-width: 900px) {
    .zd004afeatures-list-cards {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .zd004afeature-card {
        padding: 18px 6px;
        font-size: 0.98rem;
        min-height: 80px;
    }
}
.zd004aheader-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.zd004aheader-left {
    flex: 1 1 0;
    min-width: 0;
}
.zd004aheader-right {
    flex: 0 0 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.zd004aheader-img {
    max-width: 220px;
    max-height: 140px;
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(37,99,235,0.10);
    background: #fff;
    object-fit: contain;
    margin-top: 10px;
}
@media (max-width: 900px) {
    .zd004aheader-flex {
        flex-direction: column;
        gap: 18px;
    }
    .zd004aheader-right {
        flex: none;
        width: 100%;
        margin-top: 10px;
    }
    .zd004aheader-img {
        max-width: 80vw;
        max-height: 120px;
        margin: 0 auto;
    }
}
.zd004amenu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2.1rem;
    color: #2563eb;
    cursor: pointer;
    margin-left: 10px;
    z-index: 120;
}
.zd004amenu-icon {
    display: inline-block;
    line-height: 1;
}
@media (max-width: 900px) {
    .zd004amenu-toggle {
        display: block;
        position: absolute;
        right: 24px;
        top: 12px;
    }
    .zd004asite-nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        align-items: center;
        margin-top: 8px;
        background: #fff;
        box-shadow: 0 8px 32px rgba(37,99,235,0.10);
        border-radius: 0 0 18px 18px;
        position: absolute;
        left: 0;
        top: 64px;
        z-index: 110;
        padding-bottom: 18px;
        transition: all 0.25s;
    }
    #main-nav.show {
        display: flex;
        animation: fadeInMenu 0.25s;
    }
    @keyframes fadeInMenu {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .zd004anav-content {
        position: relative;
    }
}
.zd004arocket-img {
    max-width: 520px;
    max-height: 340px;
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(37,99,235,0.10);
    background: #fff;
    object-fit: contain;
    margin-top: 10px;
}