/* 基础样式 */
.z8197bbody {
    margin: 0;
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Arial', sans-serif;
    background: #f7f8fa;
    color: #222;
}
.z8197bcontainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.z8197bsite-header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 0;
}
.z8197bsite-header .z8197bcontainer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.z8197blogo {
    font-size: 2rem;
    font-weight: bold;
    color: #1a73e8;
    padding: 16px 0;
    display: inline-block;
    flex-shrink: 0;
    max-width: 40%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.z8197bnav-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: flex-end;
}
.z8197bmain-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}
.z8197bmain-nav a {
    text-decoration: none;
    color: #222;
    font-size: 1rem;
    transition: color 0.2s;
}
.z8197bmain-nav a:hover {
    color: #1a73e8;
}
.z8197bsite-main {
    margin-top: 32px;
    overflow-x: hidden;
}
body {
    margin: 0;
    overflow-x: hidden;
}
.z8197bhero {
    background: linear-gradient(90deg, #4f6ef7 0%, #8bb6f9 100%);
    color: #fff;
    padding: 48px 0 32px 0;
    text-align: center;
    border-radius: 8px;
}
.z8197bhero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.z8197bhero p {
    font-size: 1.2rem;
    margin-bottom: 16px;
}
.z8197bhero-note {
    font-size: 1rem;
    opacity: 0.92;
    margin-bottom: 28px;
    line-height: 1.7;
}
.z8197bsection-intro {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 24px auto;
    font-size: 1rem;
    color: #555;
    line-height: 1.75;
}
.z8197bdownload-btns {
    display: flex;
    justify-content: center;
    gap: 24px;
}
.z8197bbtn {
    background: #fff;
    color: #1a73e8;
    padding: 12px 32px;
    border-radius: 24px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.z8197bbtn:hover {
    background: #1a73e8;
    color: #fff;
}
.z8197bbtn-secondary {
    background: #e3f0fc;
    color: #1a73e8;
}
.z8197bbtn-register {
    background: #ffb300;
    color: #fff;
    margin-left: 0;
    font-weight: bold;
    border: none;
    box-shadow: 0 2px 8px rgba(255,179,0,0.10);
    transition: background 0.2s, color 0.2s;
}
.z8197bbtn-register:hover {
    background: #ff9800;
    color: #fff;
}
.z8197bfeatures {
    margin: 40px 0;
}
.z8197bfeatures-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.z8197bfeature-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    align-items: flex-start;
    padding: 24px 18px;
    gap: 18px;
    margin-bottom: 4px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
}
.z8197bfeature-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bfeature-icon {
    font-size: 2.2rem;
    color: #4f6ef7;
    flex-shrink: 0;
    margin-top: 2px;
}
.z8197bfeature-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.15rem;
    color: #1a73e8;
}
.z8197bfeature-content ul {
    margin: 0;
    padding-left: 18px;
    font-size: 0.98rem;
    color: #333;
    line-height: 1.7;
}
.z8197bexchange-section {
    margin: 48px 0;
    background: #fff;
    border-radius: 16px;
    padding: 40px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.z8197bapp-download {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
}
.z8197bexchange-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
}
.z8197bexchange-features li {
    background: #e3f0fc;
    color: #1a73e8;
    padding: 12px 24px;
    border-radius: 16px;
    font-weight: bold;
}
.z8197bsite-footer {
    background: #1a73e8;
    color: #fff;
    text-align: center;
    padding: 24px 0 12px 0;
    margin-top: 48px;
    border-radius: 8px 8px 0 0;
}
/* 响应式设计 */
@media (max-width: 900px) {
    .z8197bfeatures-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .z8197bexchange-features {
        flex-direction: column;
        gap: 16px;
    }
}
@media (max-width: 600px) {
    .z8197bcontainer {
        padding: 0 8px;
    }
    .z8197bmain-nav ul {
        flex-direction: column;
        gap: 12px;
    }
    .z8197bhero h1 {
        font-size: 1.5rem;
    }
    .z8197bfeatures-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .z8197bfeature-card {
        flex-direction: row;
        padding: 14px 8px;
        gap: 10px;
    }
    .z8197bfeature-icon {
        font-size: 1.5rem;
    }
    .z8197bfeature-content h3 {
        font-size: 1rem;
    }
    .z8197bapp-download {
        flex-direction: column;
        gap: 12px;
    }
    .z8197bdownload-btns {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    .z8197bdownload-btns .z8197bbtn,
    .z8197bdownload-btns .z8197bbtn-secondary,
    .z8197bdownload-btns .z8197bbtn-register {
        width: 100%;
        box-sizing: border-box;
        font-size: 1rem;
        padding: 12px 0;
    }
    .z8197bsite-header {
        padding: 0;
    }
    .z8197blogo {
        padding: 8px 0 8px 0;
        font-size: 1.3rem;
    }
    .z8197bhero {
        padding: 20px 0 16px 0;
    }
    .z8197bhero-flex {
        gap: 10px;
    }
    .z8197bhero-content {
        min-width: 0;
    }
    .z8197bdownload-btns {
        margin-top: 10px;
    }
}

/* 平台数据区块 */
.z8197bdata-section {
    margin: 48px 0;
    background: #fff;
    border-radius: 8px;
    padding: 32px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.z8197bdata-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 16px;
}
.z8197bdata-item {
    text-align: center;
}
.z8197bdata-num {
    display: block;
    font-size: 2rem;
    color: #1a73e8;
    font-weight: bold;
    margin-bottom: 4px;
}

/* 下载流程区块 */
.z8197bdownload-steps {
    margin: 48px 0;
    background: #e3f0fc;
    border-radius: 8px;
    padding: 32px 0;
}
.z8197bsteps-list {
    margin: 0;
    padding-left: 24px;
    font-size: 1.1rem;
}

/* FAQ区块 */
.z8197bfaq-section {
    margin: 48px 0;
    background: #fff;
    border-radius: 8px;
    padding: 32px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.z8197bfaq-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 16px;
}
.z8197bfaq-item {
    flex: 1 1 220px;
    background: #f7f8fa;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    font-size: 1rem;
}

/* 用户评价区块 */
.z8197breviews-section {
    margin: 48px 0;
    background: #e3f0fc;
    border-radius: 8px;
    padding: 32px 0;
}
.z8197breviews-grid {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 16px;
    justify-content: center;
}
.z8197breview-item {
    background: #fff;
    border-radius: 8px;
    padding: 16px 24px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    max-width: 320px;
    min-width: 200px;
    font-size: 1rem;
}
.z8197breview-item span {
    display: block;
    margin-top: 8px;
    color: #1a73e8;
    font-size: 0.95rem;
}

/* 合作伙伴区块 */
.z8197bpartners-section {
    margin: 48px 0;
    background: #fff;
    border-radius: 8px;
    padding: 32px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.z8197bpartners-grid {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 16px;
}
.z8197bpartner-item {
    background: #e3f0fc;
    color: #1a73e8;
    border-radius: 16px;
    padding: 12px 32px;
    font-weight: bold;
    font-size: 1.1rem;
}

/* 媒体报道区块 */
.z8197bmedia-section {
    margin: 48px 0;
    background: #e3f0fc;
    border-radius: 8px;
    padding: 32px 0;
}
.z8197bmedia-list {
    margin: 0;
    padding-left: 24px;
    font-size: 1.05rem;
}
.z8197bmedia-list li {
    margin-bottom: 8px;
}

/* 响应式增强 */
@media (max-width: 900px) {
    .z8197bdata-grid {
        flex-direction: column;
        align-items: center;
    }
    .z8197bfaq-list, .z8197breviews-grid, .z8197bpartners-grid {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
}
@media (max-width: 600px) {
    .z8197bdata-num {
        font-size: 1.3rem;
    }
    .z8197breview-item, .z8197bfaq-item, .z8197bpartner-item {
        min-width: 140px;
        padding: 12px 8px;
    }
    .z8197bsteps-list, .z8197bmedia-list {
        padding-left: 16px;
        font-size: 0.98rem;
    }
}

/* 横幅区域图片布局 */
.z8197bhero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.z8197bhero-content {
    flex: 1 1 55%;
    min-width: 0;
    max-width: 620px;
}
.z8197bhero-img {
    flex: 0 1 42%;
    min-width: 0;
    max-width: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.z8197bhero-img img {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    background: #fff;
}
/* 欧APP下载卡片式框架布局 */
.z8197bapp-download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin: 28px 0 12px 0;
}
.z8197bapp-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 18px 18px 18px;
    gap: 12px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
}
.z8197bapp-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bapp-icon {
    font-size: 2.2rem;
    color: #4f6ef7;
    margin-bottom: 6px;
}
.z8197bapp-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.12rem;
    color: #1a73e8;
}
.z8197bapp-content ul {
    margin: 0 0 10px 0;
    padding-left: 18px;
    font-size: 0.98rem;
    color: #333;
    line-height: 1.7;
}
.z8197bapp-content .z8197bbtn {
    margin-top: 4px;
}
.z8197bapp-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 900px) {
    .z8197bapp-download-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
}
@media (max-width: 600px) {
    .z8197bapp-download-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .z8197bapp-card {
        padding: 14px 8px 12px 8px;
    }
    .z8197bapp-icon {
        font-size: 1.5rem;
    }
    .z8197bapp-content h3 {
        font-size: 1rem;
    }
}

/* 欧交易所卡片式框架布局 */
.z8197bexchange-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin: 28px 0 12px 0;
}
.z8197bexchange-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 18px 18px 18px;
    gap: 12px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
}
.z8197bexchange-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bexchange-icon {
    font-size: 2.2rem;
    color: #4f6ef7;
    margin-bottom: 6px;
}
.z8197bexchange-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.12rem;
    color: #1a73e8;
}
.z8197bexchange-content ul {
    margin: 0 0 10px 0;
    padding-left: 18px;
    font-size: 0.98rem;
    color: #333;
    line-height: 1.7;
}
.z8197bexchange-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 1200px) {
    .z8197bexchange-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
}
@media (max-width: 700px) {
    .z8197bexchange-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .z8197bexchange-card {
        padding: 14px 8px 12px 8px;
    }
    .z8197bexchange-icon {
        font-size: 1.5rem;
    }
    .z8197bexchange-content h3 {
        font-size: 1rem;
    }
}

/* 平台数据卡片式框架布局 */
.z8197bdata-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin: 28px 0 12px 0;
}
.z8197bdata-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    align-items: center;
    padding: 18px 18px 18px 18px;
    gap: 18px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
}
.z8197bdata-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bdata-card-icon {
    font-size: 2.2rem;
    color: #4f6ef7;
    flex-shrink: 0;
    margin-right: 8px;
}
.z8197bdata-card-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.z8197bdata-card-num {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 2px;
}
.z8197bdata-card-label {
    font-size: 1.05rem;
    color: #333;
    margin-bottom: 2px;
}
.z8197bdata-card-desc {
    font-size: 0.97rem;
    color: #666;
}
.z8197bdata-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 900px) {
    .z8197bdata-card-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}
@media (max-width: 600px) {
    .z8197bdata-card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .z8197bdata-card {
        padding: 12px 8px 12px 8px;
        gap: 10px;
    }
    .z8197bdata-card-icon {
        font-size: 1.3rem;
    }
    .z8197bdata-card-num {
        font-size: 1.1rem;
    }
    .z8197bdata-card-label {
        font-size: 0.98rem;
    }
    .z8197bdata-card-desc {
        font-size: 0.92rem;
    }
}

/* 欧APP下载流程卡片式框架布局 */
.z8197bsteps-card-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
    margin: 28px 0 12px 0;
}
.z8197bstep-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 14px 16px 14px;
    gap: 10px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
    min-width: 0;
}
.z8197bstep-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bstep-icon {
    font-size: 2rem;
    color: #4f6ef7;
    margin-bottom: 4px;
}
.z8197bstep-title {
    font-size: 1.08rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 2px;
}
.z8197bstep-desc {
    font-size: 0.97rem;
    color: #333;
}
.z8197bsteps-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 1100px) {
    .z8197bsteps-card-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 14px;
    }
}
@media (max-width: 700px) {
    .z8197bsteps-card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .z8197bstep-card {
        padding: 12px 8px 10px 8px;
    }
    .z8197bstep-icon {
        font-size: 1.3rem;
    }
    .z8197bstep-title {
        font-size: 1rem;
    }
    .z8197bstep-desc {
        font-size: 0.92rem;
    }
}

/* 常见问题卡片式框架布局 */
.z8197bfaq-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin: 28px 0 12px 0;
}
.z8197bfaq-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 16px 16px 16px;
    gap: 8px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
    min-width: 0;
}
.z8197bfaq-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bfaq-q {
    font-size: 1.05rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 2px;
}
.z8197bfaq-a {
    font-size: 0.97rem;
    color: #333;
}
.z8197bfaq-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 900px) {
    .z8197bfaq-card-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
}
@media (max-width: 600px) {
    .z8197bfaq-card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .z8197bfaq-card {
        padding: 12px 8px 10px 8px;
    }
    .z8197bfaq-q {
        font-size: 1rem;
    }
    .z8197bfaq-a {
        font-size: 0.92rem;
    }
}

/* 媒体报道卡片式框架布局 */
.z8197bmedia-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin: 28px 0 12px 0;
}
.z8197bmedia-card {
    background: #f7f8fa;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(76,110,247,0.10), 0 1.5px 4px rgba(0,0,0,0.04);
    border: 2px solid #e3f0fc;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 16px 16px 16px;
    gap: 8px;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
    min-width: 0;
}
.z8197bmedia-card:hover {
    box-shadow: 0 8px 32px rgba(76,110,247,0.18), 0 2px 8px rgba(0,0,0,0.08);
    border-color: #4f6ef7;
    background: #f0f6ff;
    transform: translateY(-3px) scale(1.025);
    z-index: 2;
}
.z8197bmedia-source {
    font-size: 0.98rem;
    color: #4f6ef7;
    font-weight: bold;
    margin-bottom: 2px;
}
.z8197bmedia-title {
    font-size: 1.08rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 2px;
}
.z8197bmedia-desc {
    font-size: 0.97rem;
    color: #333;
    margin-bottom: 2px;
}
.z8197bmedia-date {
    font-size: 0.92rem;
    color: #999;
    align-self: flex-end;
}
.z8197bmedia-extra-info {
    margin-top: 10px;
    font-size: 0.98rem;
    color: #666;
    text-align: center;
}
@media (max-width: 900px) {
    .z8197bmedia-card-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
}
@media (max-width: 600px) {
    .z8197bmedia-card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .z8197bmedia-card {
        padding: 12px 8px 10px 8px;
    }
    .z8197bmedia-title {
        font-size: 1rem;
    }
    .z8197bmedia-desc {
        font-size: 0.92rem;
    }
    .z8197bmedia-date {
        font-size: 0.88rem;
    }
}

/* 汉堡按钮样式 */
.z8197bnav-toggle {
  display: none;
}
.z8197bnav-toggle-label {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 1001;
}
.z8197bnav-toggle-label span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 4px 0;
  background: #1a73e8;
  border-radius: 2px;
  transition: 0.3s;
}
@media (max-width: 600px) {
  .z8197bnav-wrapper {
    position: relative;
  }
  .z8197bnav-toggle-label {
    display: flex;
    position: absolute;
    top: 18px;
    right: 0;
  }
  .z8197bmain-nav ul {
    display: none;
    position: absolute;
    top: 60px;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    border-radius: 8px;
    flex-direction: column;
    min-width: 140px;
    z-index: 1000;
    padding: 12px 0;
  }
  .z8197bnav-toggle:checked + .z8197bnav-toggle-label + .z8197bmain-nav ul {
    display: flex;
  }
  .z8197bmain-nav ul li {
    margin: 0 0 8px 0;
    text-align: right;
    padding: 0 18px;
  }
  .z8197bmain-nav ul li:last-child {
    margin-bottom: 0;
  }
}

/* 导航当前栏目样式 */
.z8197bnav-item.z8197bthis a,
.z8197bthis a,
li.z8197bthis a {
    color: #1a73e8;
    font-weight: bold;
}
.z8197blogo a {
    text-decoration: none;
    color: inherit;
}

/* 内页布局 */
.z8197binner-main {
    margin-top: 24px;
    margin-bottom: 32px;
}
.z8197bpage-layout {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}
.z8197bpage-main {
    flex: 1 1 0;
    min-width: 0;
    background: #fff;
    border-radius: 8px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.z8197bsidebar {
    flex: 0 0 300px;
    width: 300px;
}
.z8197bsidebar-block {
    background: #fff;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    border: 1px solid #e3f0fc;
}
.z8197bsidebar-title {
    margin: 0 0 14px 0;
    font-size: 1.05rem;
    color: #1a73e8;
    padding-bottom: 10px;
    border-bottom: 2px solid #e3f0fc;
}
.z8197bsidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.z8197bsidebar-item {
    border-bottom: 1px solid #f0f0f0;
}
.z8197bsidebar-item:last-child {
    border-bottom: none;
}
.z8197bsidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    text-decoration: none;
    color: #333;
    transition: color 0.2s;
}
.z8197bsidebar-link:hover {
    color: #1a73e8;
}
.z8197bsidebar-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    overflow: hidden;
    border-radius: 4px;
    background: #f0f0f0;
}
.z8197bsidebar-text {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 面包屑 */
.z8197bbreadcrumb {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 20px;
    line-height: 1.6;
}
.z8197bbreadcrumb a {
    color: #1a73e8;
    text-decoration: none;
}
.z8197bbreadcrumb a:hover {
    text-decoration: underline;
}
.z8197bbreadcrumb-sep {
    margin: 0 6px;
    color: #ccc;
}

/* 内容页 */
.z8197barticle-detail {
    margin-bottom: 32px;
}
.z8197barticle-title {
    font-size: 1.6rem;
    color: #222;
    margin: 0 0 12px 0;
    line-height: 1.4;
}
.z8197barticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
}
.z8197barticle-meta a {
    color: #1a73e8;
    text-decoration: none;
}
.z8197bmeta-item {
    white-space: nowrap;
}
.z8197barticle-litpic {
    margin-bottom: 24px;
    text-align: center;
}
.z8197blitpic-img {
    max-width: 360px;
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.z8197barticle-thumb img,
.z8197blist-thumb img,
.z8197brelated-thumb img,
.z8197bsidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: inherit;
}
.z8197blist-thumb:has(img[src=""]),
.z8197blist-thumb:not(:has(img[src])),
.z8197bsidebar-thumb:has(img[src=""]),
.z8197bsidebar-thumb:not(:has(img[src])),
.z8197barticle-thumb:has(img[src=""]),
.z8197barticle-thumb:not(:has(img[src])) {
    display: none;
}
.z8197blist-item:not(:has(.z8197blist-thumb img[src]:not([src=""]))) .z8197blist-content {
    width: 100%;
}
.z8197barticle-body {
    font-size: 1rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 24px;
}
.z8197barticle-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}
.z8197bdiyfield {
    margin-bottom: 20px;
}
.z8197barticle-images {
    margin-bottom: 20px;
}
.z8197bimage-item {
    margin: 0 0 16px 0;
    text-align: center;
}
.z8197bimage-item img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}
.z8197bimage-item figcaption {
    font-size: 0.9rem;
    color: #666;
    margin-top: 6px;
}
.z8197bmeta-tags {
    list-style: none;
    margin: 0 0 24px 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.z8197btagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: #e3f0fc;
    color: #1a73e8;
    border-radius: 14px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: background 0.2s;
}
.z8197btagitem a:hover {
    background: #1a73e8;
    color: #fff;
}
.z8197barticle-nav {
    width: 100%;
    border-top: 1px solid #eee;
    margin-top: 8px;
    border-collapse: collapse;
    font-size: 0.95rem;
    line-height: 1.6;
}
.z8197barticle-nav td {
    padding: 16px 0;
    vertical-align: top;
}
.z8197barticle-nav-prev {
    width: 50%;
    text-align: left;
}
.z8197barticle-nav-next {
    width: 50%;
    text-align: right;
}
.z8197barticle-nav a {
    color: #1a73e8;
    text-decoration: none;
}
.z8197barticle-nav a:hover {
    text-decoration: underline;
}

/* 相关内容 */
.z8197bsection-title {
    font-size: 1.2rem;
    color: #1a73e8;
    margin: 0 0 16px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #e3f0fc;
}
.z8197brelated-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.z8197brelated-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}
.z8197brelated-item:last-child {
    border-bottom: none;
}
.z8197brelated-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
    overflow: hidden;
    border-radius: 6px;
    background: #f0f0f0;
}
.z8197brelated-content {
    flex: 1;
    min-width: 0;
}
.z8197brelated-content h3 {
    margin: 0 0 6px 0;
    font-size: 1rem;
}
.z8197brelated-content h3 a {
    color: #222;
    text-decoration: none;
}
.z8197brelated-content h3 a:hover {
    color: #1a73e8;
}
.z8197brelated-content p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
}

/* 列表页 */
.z8197blist-header {
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid #e3f0fc;
}
.z8197blist-title {
    display: inline;
    font-size: 1rem;
    font-weight: bold;
    color: #333;
    margin: 0;
}
.z8197bbreadcrumb .z8197blist-title {
    font-size: 1rem;
}
.z8197blist-items {
    list-style: none;
    margin: 0;
    padding: 0;
}
.z8197blist-item {
    display: flex;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}
.z8197blist-item:last-child {
    border-bottom: none;
}
.z8197blist-thumb {
    flex-shrink: 0;
    width: 220px;
    height: 150px;
    overflow: hidden;
    border-radius: 8px;
    background: #f0f0f0;
}
.z8197blist-thumb img {
    transition: transform 0.3s;
}
.z8197blist-item:hover .z8197blist-thumb img {
    transform: scale(1.05);
}
.z8197blist-content {
    flex: 1;
    min-width: 0;
}
.z8197blist-item-title {
    font-size: 1.1rem;
    color: #222;
    text-decoration: none;
    font-weight: bold;
    line-height: 1.4;
}
.z8197blist-item-title:hover {
    color: #1a73e8;
}
.z8197blist-content h3 {
    margin: 0 0 8px 0;
}
.z8197blist-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 8px;
}
.z8197blist-meta a {
    color: #1a73e8;
    text-decoration: none;
}
.z8197blist-intro {
    margin: 0;
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* 分页 - 左右显示 */
.z8197bpagebar {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.z8197bpages,
.zzpages {
    width: 100%;
}
.pagelist,
.z8197bpagelist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
}
.pagelist li,
.z8197bpagelist li {
    display: inline-block;
    margin: 0;
    padding: 0;
}
.pagelist a,
.pagelist span,
.z8197bpagelist a,
.z8197bpagelist span {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.9rem;
    text-decoration: none;
    color: #333;
    border: 1px solid #ddd;
    background: #fff;
    transition: all 0.2s;
    white-space: nowrap;
}
.pagelist a:hover,
.z8197bpagelist a:hover {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}
.pagelist .thisclass span,
.pagelist .thisclass a,
.z8197bpagelist .thisclass span,
.z8197bpagelist .thisclass a {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}
.pagelist .pageinfo,
.z8197bpagelist .pageinfo {
    flex: 1 1 100%;
    text-align: center;
    border: none;
    background: transparent;
    padding: 0 0 8px 0;
    color: #888;
}
.pagelist .pagepre,
.z8197bpagelist .pagepre {
    margin-right: auto;
}
.pagelist .pagenext,
.z8197bpagelist .pagenext {
    margin-left: auto;
}

/* 首页文章板块 */
.z8197barticle-section {
    margin: 48px 0;
    background: #fff;
    border-radius: 8px;
    padding: 32px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.z8197barticle-section h2 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 24px;
}
.z8197barticle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin: 24px 0 16px 0;
}
.z8197barticle-card {
    background: #f7f8fa;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid #e3f0fc;
    transition: box-shadow 0.22s, border-color 0.22s, transform 0.18s;
}
.z8197barticle-card:hover {
    box-shadow: 0 6px 24px rgba(76,110,247,0.15);
    border-color: #4f6ef7;
    transform: translateY(-2px);
}
.z8197barticle-thumb {
    display: block;
    width: 100%;
    height: 120px;
    overflow: hidden;
    background: #e3f0fc;
}
.z8197barticle-thumb img {
    transition: transform 0.3s;
}
.z8197barticle-card:hover .z8197barticle-thumb img {
    transform: scale(1.06);
}
.z8197barticle-card-body {
    padding: 12px 14px 14px 14px;
}
.z8197barticle-card-body h3 {
    margin: 0 0 6px 0;
    font-size: 0.95rem;
    line-height: 1.4;
}
.z8197barticle-card-body h3 a {
    color: #222;
    text-decoration: none;
}
.z8197barticle-card-body h3 a:hover {
    color: #1a73e8;
}
.z8197barticle-desc {
    margin: 0 0 6px 0;
    font-size: 0.82rem;
    color: #666;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.z8197barticle-date {
    font-size: 0.78rem;
    color: #999;
}
.z8197barticle-extra-info {
    text-align: center;
    margin-top: 16px;
}

/* 内页响应式 */
@media (max-width: 1100px) {
    .z8197bpage-layout {
        flex-direction: column;
    }
    .z8197bsidebar {
        flex: none;
        width: 100%;
    }
    .z8197barticle-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .z8197bpage-main {
        padding: 18px 14px;
    }
    .z8197blist-item {
        flex-direction: column;
        gap: 12px;
    }
    .z8197blist-thumb {
        width: 100%;
        height: 180px;
    }
    .z8197brelated-item {
        flex-direction: column;
    }
    .z8197brelated-thumb {
        width: 100%;
        height: 160px;
    }
    .z8197barticle-nav,
    .z8197barticle-nav tr,
    .z8197barticle-nav td {
        display: block;
        width: 100%;
    }
    .z8197barticle-nav-prev,
    .z8197barticle-nav-next {
        text-align: left;
        padding: 8px 0;
    }
    .z8197barticle-title {
        font-size: 1.3rem;
    }
    .z8197bsidebar {
        grid-template-columns: 1fr;
    }
    .z8197barticle-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .z8197bpagelist {
        justify-content: center;
    }
}
@media (max-width: 480px) {
    .z8197barticle-grid {
        grid-template-columns: 1fr;
    }
    .z8197barticle-thumb {
        height: 160px;
    }
    .z8197barticle-meta {
        flex-direction: column;
        gap: 6px;
    }
}

/* ===== 首页板块差异化布局 ===== */
.z8197bsection-head {
    text-align: center;
    margin-bottom: 28px;
}
.z8197bsection-head h2 {
    font-size: 1.75rem;
    color: #1a73e8;
    margin: 0 0 8px 0;
}
.z8197bsection-head-light h2 {
    color: #fff;
}
.z8197bsection-head .z8197bsection-intro {
    margin-bottom: 0;
}

/* Hero v2 */
.z8197bhero-v2 {
    text-align: left;
    border-radius: 16px;
    padding: 48px 0 40px 0;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #1a56db 0%, #4f6ef7 45%, #7eb3ff 100%);
}
.z8197bhero-v2 .z8197bhero-content {
    text-align: left;
}
.z8197bhero-v2 h1 {
    font-size: clamp(1.4rem, 3vw, 2.1rem);
    line-height: 1.35;
    word-break: break-word;
}
.z8197bhero-v2 p {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
}
.z8197bhero-v2 .z8197bhero-note {
    font-size: 0.92rem;
    margin-bottom: 20px;
}
.z8197bhero-v2 .z8197bdownload-btns {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px;
}
.z8197bhero-v2 .z8197bbtn {
    padding: 11px 20px;
    font-size: 0.95rem;
    white-space: nowrap;
}

/* 官网优势 - Bento */
.z8197bfeatures {
    background: #fff;
    border-radius: 16px;
    padding: 36px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.z8197bfeatures-bento {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: stretch;
}
.z8197bfeature-hero {
    background: linear-gradient(145deg, #eef4ff 0%, #f7f9fc 100%);
    border-radius: 16px;
    padding: 24px 22px;
    border-left: 4px solid #4f6ef7;
    min-height: 160px;
    display: flex;
    flex-direction: column;
}
.z8197bfeature-hero-alt {
    border-left-color: #ffb300;
    background: linear-gradient(145deg, #fff8e8 0%, #f7f9fc 100%);
}
.z8197bfeature-hero .z8197bfeature-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}
.z8197bfeature-hero h3 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
    color: #1a73e8;
}
.z8197bfeature-hero p {
    margin: 0;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
}
.z8197bfeatures-list {
    grid-column: 1 / -1;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.z8197bfeatures-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e8eef5;
    min-height: 88px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.z8197bfeatures-list li:hover {
    border-color: #4f6ef7;
    box-shadow: 0 4px 16px rgba(79,110,247,0.1);
}
.z8197bfeatures-list .z8197bfeature-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}
.z8197bfeatures-list strong {
    display: block;
    color: #1a73e8;
    font-size: 0.98rem;
    margin-bottom: 4px;
}
.z8197bfeatures-list p {
    margin: 0;
    font-size: 0.88rem;
    color: #666;
    line-height: 1.5;
}

/* APP下载 - 横排列表 */
.z8197bapp-section {
    margin: 40px 0;
    background: linear-gradient(180deg, #1a73e8 0%, #2563c7 100%);
    color: #fff;
    border-radius: 16px;
    padding: 36px 0;
}
.z8197bapp-rows {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.z8197bapp-row {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: rgba(255,255,255,0.12);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.18);
    backdrop-filter: blur(4px);
    transition: background 0.2s;
}
.z8197bapp-row:hover {
    background: rgba(255,255,255,0.18);
}
.z8197bapp-badge {
    flex-shrink: 0;
    min-width: 88px;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 0.9rem;
    text-align: center;
    background: rgba(255,255,255,0.2);
}
.z8197bapp-badge-android { background: rgba(76,175,80,0.35); }
.z8197bapp-badge-ios { background: rgba(255,255,255,0.25); }
.z8197bapp-badge-pc { background: rgba(33,150,243,0.35); }
.z8197bapp-row-body {
    flex: 1;
    min-width: 0;
}
.z8197bapp-row-body h3 {
    margin: 0 0 6px 0;
    font-size: 1.05rem;
}
.z8197bapp-row-body p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.55;
}
.z8197bapp-row .z8197bbtn-sm {
    flex-shrink: 0;
    padding: 10px 22px;
    font-size: 0.95rem;
    white-space: nowrap;
}
.z8197bapp-extra-info {
    color: rgba(255,255,255,0.85);
    margin-top: 20px;
}

/* 交易所 - 色块磁贴 */
.z8197bexchange-tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 1fr;
    gap: 16px;
    align-items: stretch;
}
.z8197bexchange-tile {
    padding: 22px 18px;
    border-radius: 14px;
    color: #fff;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s;
}
.z8197bexchange-tile p {
    flex: 1;
}
.z8197bexchange-tile:hover {
    transform: translateY(-4px);
}
.z8197bexchange-tile .z8197bexchange-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}
.z8197bexchange-tile h3 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
}
.z8197bexchange-tile p {
    margin: 0;
    font-size: 0.88rem;
    opacity: 0.92;
    line-height: 1.55;
}
.z8197bexchange-tile-spot { background: linear-gradient(160deg, #4f6ef7, #3b5bdb); }
.z8197bexchange-tile-futures { background: linear-gradient(160deg, #7c3aed, #5b21b6); }
.z8197bexchange-tile-earn { background: linear-gradient(160deg, #059669, #047857); }
.z8197bexchange-tile-api { background: linear-gradient(160deg, #0891b2, #0e7490); }

/* 平台数据 - 统计条 */
.z8197bdata-section {
    margin: 40px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    border-radius: 16px;
    padding: 36px 0;
    color: #fff;
    box-shadow: none;
}
.z8197bdata-strip {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1px;
    background: rgba(255,255,255,0.12);
    border-radius: 12px;
    overflow: hidden;
}
.z8197bdata-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    min-height: 96px;
    background: rgba(15,23,42,0.6);
    text-align: center;
}
.z8197bdata-stat-num {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: bold;
    color: #60a5fa;
    margin-bottom: 6px;
    line-height: 1.2;
}
.z8197bdata-stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.35;
    word-break: keep-all;
}
.z8197bdata-extra-info {
    color: rgba(255,255,255,0.7);
    margin-top: 20px;
}

/* 下载流程 - 时间轴 */
.z8197bdownload-steps {
    margin: 40px 0;
    background: #f0f4ff;
    border-radius: 16px;
    padding: 36px 0;
}
.z8197bsteps-timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.z8197bsteps-timeline::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, #4f6ef7, #8bb6f9);
}
.z8197bstep-item {
    display: flex;
    gap: 20px;
    padding: 0 0 28px 0;
    position: relative;
}
.z8197bstep-item:last-child {
    padding-bottom: 0;
}
.z8197bstep-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #4f6ef7;
    color: #fff;
    font-weight: bold;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 4px #f0f4ff;
}
.z8197bstep-body {
    flex: 1;
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    border: 1px solid #e3ecfa;
}
.z8197bstep-title {
    font-size: 1.05rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 6px;
}
.z8197bstep-desc {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.6;
}

/* FAQ - 手风琴 */
.z8197bfaq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.z8197bfaq-accordion .z8197bfaq-item {
    flex: none;
    max-width: none;
    min-width: 0;
    box-shadow: none;
    border: 1px solid #e3ecfa;
    border-radius: 10px;
    margin-bottom: 10px;
    background: #fff;
    overflow: hidden;
}
.z8197bfaq-item summary {
    padding: 16px 20px;
    font-weight: bold;
    color: #1a73e8;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 40px;
}
.z8197bfaq-item summary::-webkit-details-marker {
    display: none;
}
.z8197bfaq-item summary::after {
    content: '+';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.3rem;
    color: #4f6ef7;
    transition: transform 0.2s;
}
.z8197bfaq-item[open] summary::after {
    content: '−';
}
.z8197bfaq-item p {
    margin: 0;
    padding: 0 20px 16px 20px;
    font-size: 0.93rem;
    color: #555;
    line-height: 1.7;
}

/* 最新资讯 - 统一网格 */
.z8197barticle-section {
    border-radius: 16px;
    padding: 36px 0;
}
.z8197barticle-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
}
.z8197barticle-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.z8197barticle-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.z8197barticle-card-body h3 {
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}
.z8197barticle-thumb {
    height: 120px;
    flex-shrink: 0;
}

/* 媒体报道 - 时间线列表 */
.z8197bmedia-section {
    margin: 40px 0;
    background: linear-gradient(180deg, #e8f0fe 0%, #f0f4ff 100%);
    border-radius: 16px;
    padding: 36px 0;
    overflow: hidden;
}
.z8197bmedia-feed {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 100%;
}
.z8197bmedia-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
    padding: 18px 20px;
    background: rgba(255,255,255,0.75);
    border-radius: 12px;
    border: 1px solid #dce8fa;
    position: relative;
    align-items: start;
}
.z8197bmedia-item:last-child {
    border-bottom: none;
}
.z8197bmedia-item-featured {
    background: #fff;
    border-color: #4f6ef7;
    box-shadow: 0 4px 16px rgba(79,110,247,0.1);
}
.z8197bmedia-item-featured .z8197bmedia-title {
    font-size: 1.08rem;
}
.z8197bmedia-date {
    flex-shrink: 0;
    font-size: 0.82rem;
    color: #888;
    line-height: 1.4;
    white-space: nowrap;
}
.z8197bmedia-body {
    flex: 1;
    min-width: 0;
}
.z8197bmedia-source {
    display: inline-block;
    font-size: 0.78rem;
    color: #4f6ef7;
    font-weight: bold;
    background: #e3ecfa;
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 6px;
}
.z8197bmedia-title {
    margin: 0 0 6px 0;
    font-size: 1rem;
    color: #1a73e8;
}
.z8197bmedia-desc {
    margin: 0;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.55;
}

/* 首页统一间距 */
.z8197bfeatures,
.z8197bexchange-section,
.z8197bfaq-section {
    margin: 40px 0;
}

/* 首页响应式 */
@media (max-width: 1100px) {
    .z8197bapp-row {
        grid-template-columns: 80px 1fr;
    }
    .z8197bapp-row .z8197bbtn-sm {
        grid-column: 1 / -1;
        justify-self: start;
        margin-top: 4px;
    }
    .z8197bdata-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .z8197barticle-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}
@media (max-width: 900px) {
    .z8197bhero-flex {
        flex-direction: column;
        gap: 24px;
    }
    .z8197bhero-content {
        max-width: none;
        text-align: center;
    }
    .z8197bhero-img {
        max-width: 360px;
        width: 100%;
        margin: 0 auto;
    }
    .z8197bhero-v2 {
        text-align: center;
    }
    .z8197bhero-v2 .z8197bhero-content {
        text-align: center;
    }
    .z8197bhero-v2 .z8197bdownload-btns {
        justify-content: center;
    }
    .z8197bexchange-tiles {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .z8197barticle-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .z8197bmedia-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}
@media (max-width: 768px) {
    .z8197blogo {
        max-width: 55%;
    }
    .z8197bfeatures-bento {
        grid-template-columns: 1fr;
    }
    .z8197bfeatures-list {
        grid-template-columns: 1fr;
    }
    .z8197bfeature-hero {
        min-height: auto;
    }
    .z8197bapp-row {
        grid-template-columns: 1fr;
        text-align: left;
        gap: 10px;
    }
    .z8197bapp-badge {
        justify-self: start;
        min-width: 0;
        width: fit-content;
    }
    .z8197bapp-row .z8197bbtn-sm {
        justify-self: stretch;
        text-align: center;
    }
    .z8197bexchange-tiles {
        grid-template-columns: 1fr;
    }
    .z8197bdata-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .z8197barticle-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .z8197bsection-head {
        margin-bottom: 20px;
    }
}
@media (max-width: 480px) {
    .z8197bsection-head h2 {
        font-size: 1.3rem;
    }
    .z8197bhero-v2 .z8197bbtn {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }
    .z8197bdata-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .z8197bdata-stat {
        min-height: 80px;
        padding: 14px 8px;
    }
    .z8197bstep-num {
        width: 40px;
        height: 40px;
        font-size: 0.85rem;
    }
    .z8197bsteps-timeline::before {
        left: 19px;
    }
    .z8197barticle-grid {
        grid-template-columns: 1fr;
    }
    .z8197barticle-thumb {
        height: 160px;
    }
    .z8197bfeatures,
    .z8197bapp-section,
    .z8197bdata-section,
    .z8197bexchange-section,
    .z8197bdownload-steps,
    .z8197bfaq-section,
    .z8197barticle-section,
    .z8197bmedia-section,
    .z8197bhero-v2 {
        border-radius: 12px;
    }
}