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

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

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

.zc699acontainer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.zc699aheader {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.zc699aheader .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.zc699alogo h1 {
    font-size: 24px;
    color: #1a73e8;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

.main-nav {
    /* 参考原zc699amain-nav的样式内容 */
}

.main-nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 20px;
    margin: 0;
    padding: 0;
    justify-content: flex-end;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.92em;
    white-space: nowrap;
    transition: color 0.3s;
    padding: 5px 0;
    position: relative;
}

.main-nav a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #1a73e8;
    transition: width 0.3s ease;
}

.main-nav a:hover {
    color: #1a73e8;
}

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

/* 移动端导航样式 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 280px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

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

    .main-nav ul {
        flex-direction: column;
        padding: 70px 15px 20px;
        gap: 10px;
    }

    .main-nav a {
        display: block;
        padding: 10px 12px;
        border-radius: 6px;
        transition: all 0.3s ease;
        font-size: 0.95em;
    }

    .main-nav a:hover {
        background-color: #f0f4f8;
    }

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

    /* 添加遮罩层 */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.5);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

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

    .zc699ahero {
        padding: 62px 0 12px;
    }

    .zc699ahero-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .zc699ahero-text {
        max-width: 100%;
        padding: 0 8px;
    }

    .zc699ahero-content h2 {
        font-size: 1.5em;
        line-height: 1.2;
        margin-bottom: 8px;
    }

    .zc699ahero-content p {
        font-size: 0.95em;
        margin-bottom: 12px;
    }

    .zc699ahero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        margin: 12px 0;
        padding: 0 4px;
    }

    .stat-item {
        text-align: center;
        padding: 5px 3px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 4px;
    }

    .stat-number {
        font-size: 1.1em;
        margin-bottom: 2px;
        font-weight: 600;
    }

    .stat-label {
        font-size: 0.7em;
        opacity: 0.9;
    }

    .zc699ahero-image {
        max-width: 220px;
        margin: 0 auto;
        padding: 0 8px;
    }

    .zc699ahero-img {
        transform: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .zc699adownload-buttons {
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding: 0 12px;
        margin-top: 12px;
    }

    .zc699abtn {
        width: 100%;
        text-align: center;
        padding: 8px 12px;
        font-size: 0.9em;
    }

    .zc699abtn-secondary {
        margin-left: 0;
    }

    .zc699alogo h1 {
        font-size: 20px;
        margin-bottom: 4px;
        padding-top: 2px;
        padding-bottom: 2px;
    }

    .zc699aheader .container {
        flex-direction: column;
        height: auto;
        padding: 8px 10px 8px 10px;
    }
}

@media (max-width: 480px) {
    .mobile-menu-btn {
        right: 15px;
        top: 15px;
    }

    .main-nav {
        width: 85%;
        max-width: 260px;
    }

    .main-nav ul {
        padding: 60px 12px 15px;
        gap: 8px;
    }

    .main-nav a {
        padding: 8px 10px;
        font-size: 0.9em;
    }

    .zc699ahero {
        padding: 40px 0 4px;
    }

    .zc699ahero-content {
        gap: 6px;
    }

    .zc699ahero-text {
        padding: 0 2px;
    }

    .zc699ahero-content h2 {
        font-size: 1.1em;
        margin-bottom: 2px;
    }

    .zc699ahero-content p {
        font-size: 0.8em;
        margin-bottom: 4px;
    }

    .zc699ahero-stats {
        gap: 4px;
        margin: 10px 0;
    }

    .stat-item {
        padding: 4px 2px;
    }

    .stat-number {
        font-size: 1em;
    }

    .stat-label {
        font-size: 0.65em;
    }

    .zc699ahero-image {
        max-width: 180px;
        padding: 0 6px;
    }

    .zc699adownload-buttons {
        gap: 4px;
        padding: 0 2px;
        margin-top: 4px;
    }

    .zc699abtn {
        padding: 5px 6px;
        font-size: 0.8em;
    }

    .zc699alogo h1 {
        font-size: 18px;
        margin-bottom: 2px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .zc699aheader .container {
        height: 44px;
    }
}

/* 响应式调整 */
@media (max-width: 480px) {
    .zc699aheader .container {
        height: 60px;
    }

    .zc699alogo h1 {
        font-size: 20px;
    }

    .main-nav {
        width: 100%;
        max-width: none;
    }

    .main-nav ul {
        padding: 70px 15px 15px;
    }
}

/* 英雄区域样式 */
.zc699ahero {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 100px 0 30px;
    position: relative;
    overflow: hidden;
}

.zc699ahero .container {
    position: relative;
    z-index: 2;
}

.zc699ahero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.zc699ahero-text {
    flex: 1;
    max-width: 600px;
}

.zc699ahero-image {
    flex: 1;
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zc699ahero-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.zc699ahero-img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.zc699ahero-content h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.zc699ahero-content p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.zc699ahero-stats {
    display: flex;
    gap: 40px;
    margin: 40px 0;
}

.stat-item {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, #e3f2fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1em;
    opacity: 0.9;
}

.zc699adownload-buttons {
    margin-top: 30px;
}

/* 按钮样式 */
.zc699abtn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.zc699abtn-primary {
    background-color: #fff;
    color: #1a73e8;
}

.zc699abtn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    margin-left: 15px;
}

.zc699abtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 特性区域样式 */
.zc699afeatures {
    padding: 80px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zc699asection-title {
    text-align: center;
    font-size: 2em;
    margin-bottom: 50px;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.zc699asection-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #1a73e8;
}

.zc699afeatures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.zc699afeature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    border: 1px solid #e8e8e8;
    position: relative;
    overflow: hidden;
}

.zc699afeature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #0d47a1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zc699afeature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.zc699afeature-card:hover:before {
    opacity: 1;
}

.zc699afeature-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a73e8;
}

.zc699afeature-card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.zc699afeature-card p {
    color: #666;
    margin-bottom: 15px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
}

.zc699afeature-list {
    list-style: none;
    margin-top: auto;
    text-align: left;
    padding: 0 20px;
    border-top: 1px solid #f0f0f0;
    padding-top: 15px;
}

.zc699afeature-list li {
    margin: 8px 0;
    padding-left: 20px;
    position: relative;
    color: #666;
    line-height: 1.3;
    font-size: 0.95em;
}

.zc699afeature-list li:before {
    content: "✓";
    color: #1a73e8;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.zc699afeatures-summary {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: linear-gradient(to right, rgba(26,115,232,0.05), rgba(13,71,161,0.05));
    border-radius: 10px;
    border: 1px solid rgba(26,115,232,0.1);
}

.zc699afeatures-summary p {
    color: #333;
    font-size: 1.1em;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 响应式设计优化 */
@media (max-width: 1200px) {
    .zc699acontainer {
        max-width: 960px;
        padding: 0 15px;
    }

    .zc699ahero-content {
        gap: 30px;
    }

    .zc699ahero-text {
        max-width: 500px;
    }

    .zc699ahero-image {
        max-width: 450px;
    }

    .zc699afeatures-grid,
    .zc699aproducts-grid,
    .zc699aguide-grid,
    .zc699afaq-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 991px) {
    .zc699acontainer {
        max-width: 720px;
    }

    .zc699aheader .container {
        padding: 0 15px;
    }

    .main-nav ul {
        gap: 20px;
    }

    .zc699ahero {
        padding: 140px 0 70px;
    }

    .zc699ahero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .zc699ahero-text {
        max-width: 100%;
    }

    .zc699ahero-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .zc699ahero-stats {
        justify-content: center;
        gap: 30px;
    }

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

    .zc699asection-title {
        font-size: 1.8em;
        margin-bottom: 40px;
    }

    .zc699afeature-card,
    .zc699aproduct-card,
    .zc699aguide-card,
    .zc699afaq-card {
        padding: 25px;
    }

    .zc699adownload-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .zc699afooter-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .zc699acontainer {
        max-width: 540px;
    }

    .zc699aheader {
        position: relative;
    }

    .zc699aheader .container {
        flex-direction: column;
        height: auto;
        padding: 8px 10px 8px 10px;
    }

    .zc699alogo h1 {
        font-size: 20px;
        margin-bottom: 4px;
        padding-top: 2px;
        padding-bottom: 2px;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .zc699ahero {
        padding: 62px 0 12px;
    }

    .zc699ahero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .zc699ahero-text {
        max-width: 100%;
        padding: 0 15px;
    }

    .zc699ahero-content h2 {
        font-size: 1.8em;
        line-height: 1.3;
        margin-bottom: 15px;
    }

    .zc699ahero-content p {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    .zc699ahero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        margin: 20px 0;
        padding: 0 10px;
    }

    .stat-item {
        text-align: center;
        padding: 8px 5px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 6px;
    }

    .stat-number {
        font-size: 1.4em;
        margin-bottom: 3px;
        font-weight: 600;
    }

    .stat-label {
        font-size: 0.8em;
        opacity: 0.9;
    }

    .zc699ahero-image {
        max-width: 280px;
        margin: 0 auto;
        padding: 0 15px;
    }

    .zc699ahero-img {
        transform: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .zc699adownload-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: 0 20px;
    }

    .zc699abtn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }

    .zc699abtn-secondary {
        margin-left: 0;
    }

    .zc699afeatures-grid,
    .zc699aproducts-grid,
    .zc699aguide-grid,
    .zc699afaq-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .zc699afeature-card,
    .zc699aproduct-card,
    .zc699aguide-card,
    .zc699afaq-card {
        min-height: auto;
    }

    .zc699afeature-icon,
    .zc699aproduct-icon,
    .zc699aguide-icon,
    .zc699afaq-icon {
        font-size: 2.2em;
        width: 45px;
        height: 45px;
    }

    .zc699adownload-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .zc699adownload-card {
        min-height: auto;
    }

    .zc699aguide-features,
    .zc699afaq-features {
        grid-template-columns: 1fr;
    }

    .zc699afooter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .zc699asocial-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .zc699acontainer {
        padding: 0 10px;
    }

    .zc699ahero-content h2 {
        font-size: 1.6em;
    }

    .zc699ahero-content p {
        font-size: 1em;
    }

    .zc699ahero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        margin: 15px 0;
        padding: 0 5px;
    }

    .stat-item {
        padding: 6px 4px;
        border-radius: 4px;
    }

    .stat-number {
        font-size: 1.2em;
        margin-bottom: 2px;
    }

    .stat-label {
        font-size: 0.75em;
    }

    .zc699ahero-image {
        max-width: 240px;
    }

    .zc699abtn {
        padding: 10px 15px;
        font-size: 0.95em;
    }

    .zc699asection-title {
        font-size: 1.6em;
        margin-bottom: 30px;
    }

    .zc699afeature-card h3,
    .zc699aproduct-card h3,
    .zc699aguide-card h3,
    .zc699afaq-card h3 {
        font-size: 1.3em;
    }

    .zc699afeature-card p,
    .zc699aproduct-card p,
    .zc699aguide-card p,
    .zc699afaq-card p {
        font-size: 1em;
    }
}

/* 修复特定设备上的显示问题 */
@media (min-width: 992px) and (max-width: 1199px) {
    .zc699ahero-content {
        max-width: 960px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .zc699ahero-content {
        max-width: 720px;
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    .zc699ahero-content {
        max-width: 540px;
    }
}

/* 确保图片在移动端正确显示 */
@media (max-width: 768px) {
    .zc699ahero-img {
        transform: none;
    }
    
    .zc699ahero-img:hover {
        transform: none;
    }
}

/* 产品服务样式 */
.zc699aproducts {
    padding: 80px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zc699aproducts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.zc699aproduct-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    border: 1px solid #e8e8e8;
    position: relative;
    overflow: hidden;
}

.zc699aproduct-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #0d47a1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zc699aproduct-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.zc699aproduct-card:hover:before {
    opacity: 1;
}

.zc699aproduct-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a73e8;
}

.zc699aproduct-card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.zc699aproduct-desc {
    color: #666;
    margin-bottom: 15px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1em;
}

.zc699aproduct-features {
    list-style: none;
    margin-top: auto;
    text-align: left;
    padding: 0 20px;
    border-top: 1px solid #f0f0f0;
    padding-top: 15px;
}

.zc699aproduct-features li {
    margin: 8px 0;
    padding-left: 20px;
    position: relative;
    color: #666;
    line-height: 1.3;
    font-size: 0.95em;
}

.zc699aproduct-features li:before {
    content: "✓";
    color: #1a73e8;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.zc699aproducts-summary {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: linear-gradient(to right, rgba(26,115,232,0.05), rgba(13,71,161,0.05));
    border-radius: 10px;
    border: 1px solid rgba(26,115,232,0.1);
}

.zc699aproducts-summary p {
    color: #333;
    font-size: 1.1em;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 下载区域样式 */
.zc699adownload-section {
    padding: 60px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zc699adownload-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.zc699adownload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.zc699adownload-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.zc699adownload-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.zc699adownload-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.zc699adownload-icon {
    font-size: 2.8em;
    color: #1a73e8;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zc699adownload-title {
    flex-grow: 1;
}

.zc699adownload-title h3 {
    font-size: 1.5em;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.zc699adownload-desc {
    color: #666;
    font-size: 1.1em;
    margin: 0;
    line-height: 1.4;
}

.zc699aversion-info {
    list-style: none;
    margin: 20px 0;
    padding: 0;
    flex-grow: 1;
}

.zc699aversion-info li {
    color: #666;
    margin: 10px 0;
    font-size: 1em;
    padding-left: 25px;
    position: relative;
}

.zc699aversion-info li:before {
    content: "•";
    color: #1a73e8;
    position: absolute;
    left: 0;
    font-size: 1.2em;
}

.zc699abtn-download {
    display: inline-block;
    padding: 14px 35px;
    background-color: #1a73e8;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    margin-top: auto;
    text-align: center;
    font-size: 1.1em;
}

.zc699abtn-download:hover {
    background-color: #0d47a1;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.zc699adownload-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.zc699afeature-item {
    text-align: center;
    padding: 15px;
}

.zc699afeature-item .feature-icon {
    font-size: 2em;
    margin-bottom: 10px;
    color: #1a73e8;
}

.zc699afeature-item h4 {
    font-size: 1.1em;
    margin-bottom: 8px;
    color: #333;
}

.zc699afeature-item p {
    color: #666;
    font-size: 0.9em;
    margin: 0;
}

/* 使用指南样式 */
.zc699aguide {
    padding: 80px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zc699aguide-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.zc699aguide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.zc699aguide-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
}

.zc699aguide-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.zc699aguide-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.zc699aguide-icon {
    font-size: 2.8em;
    color: #1a73e8;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zc699aguide-title {
    flex-grow: 1;
}

.zc699aguide-title h3 {
    font-size: 1.5em;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.zc699aguide-desc {
    color: #666;
    font-size: 1.1em;
    margin: 0;
    line-height: 1.4;
}

.zc699aguide-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.zc699astep-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.zc699astep-item:hover {
    background: #f0f4f8;
    transform: translateX(5px);
}

.zc699astep-number {
    width: 32px;
    height: 32px;
    background: #1a73e8;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.zc699astep-content {
    flex-grow: 1;
}

.zc699astep-content h4 {
    font-size: 1.1em;
    margin-bottom: 5px;
    color: #333;
    font-weight: 600;
}

.zc699astep-content p {
    color: #666;
    font-size: 0.95em;
    margin: 0;
    line-height: 1.4;
}

.zc699aguide-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.zc699aguide-features .feature-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.zc699aguide-features .feature-item:hover {
    transform: translateY(-5px);
    background: #f0f4f8;
}

.zc699aguide-features .feature-icon {
    font-size: 2.2em;
    margin-bottom: 15px;
    color: #1a73e8;
}

.zc699aguide-features h4 {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #333;
}

.zc699aguide-features p {
    color: #666;
    font-size: 0.95em;
    margin: 0;
}

/* FAQ样式 */
.zc699afaq {
    padding: 80px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zc699afaq-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.zc699afaq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.zc699afaq-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
    position: relative;
    overflow: hidden;
}

.zc699afaq-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #0d47a1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zc699afaq-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.zc699afaq-card:hover:before {
    opacity: 1;
}

.zc699afaq-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.zc699afaq-icon {
    font-size: 2.8em;
    color: #1a73e8;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26,115,232,0.1);
    border-radius: 12px;
    padding: 10px;
}

.zc699afaq-title {
    flex-grow: 1;
}

.zc699afaq-title h3 {
    font-size: 1.5em;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.zc699afaq-desc {
    color: #666;
    font-size: 1.1em;
    margin: 0;
    line-height: 1.4;
}

.zc699afaq-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.zc699afaq-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
}

.zc699afaq-item:hover {
    background: #f0f4f8;
    transform: translateX(5px);
    border-color: #1a73e8;
}

.zc699afaq-item h4 {
    font-size: 1.1em;
    margin-bottom: 12px;
    color: #333;
    font-weight: 600;
    position: relative;
    padding-left: 20px;
}

.zc699afaq-item h4:before {
    content: "Q:";
    position: absolute;
    left: 0;
    color: #1a73e8;
    font-weight: bold;
}

.zc699afaq-item p {
    color: #666;
    font-size: 0.95em;
    margin: 0;
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}

.zc699afaq-item p:before {
    content: "A:";
    position: absolute;
    left: 0;
    color: #1a73e8;
    font-weight: bold;
}

.zc699afaq-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid #e8e8e8;
}

.zc699afaq-features .feature-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #e8e8e8;
}

.zc699afaq-features .feature-item:hover {
    transform: translateY(-5px);
    background: #f0f4f8;
    border-color: #1a73e8;
}

.zc699afaq-features .feature-icon {
    font-size: 2.2em;
    margin-bottom: 15px;
    color: #1a73e8;
    background: rgba(26,115,232,0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin: 0 auto 15px;
}

.zc699afaq-features h4 {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #333;
}

.zc699afaq-features p {
    color: #666;
    font-size: 0.95em;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .zc699afaq {
        padding: 60px 0;
    }

    .zc699afaq-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .zc699afaq-card {
        padding: 20px;
    }

    .zc699afaq-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .zc699afaq-icon {
        font-size: 2.2em;
        width: 50px;
        height: 50px;
    }

    .zc699afaq-title h3 {
        font-size: 1.3em;
    }

    .zc699afaq-desc {
        font-size: 1em;
    }

    .zc699afaq-item {
        padding: 15px;
    }

    .zc699afaq-item h4 {
        font-size: 1em;
        margin-bottom: 10px;
    }

    .zc699afaq-item p {
        font-size: 0.9em;
    }

    .zc699afaq-features {
        grid-template-columns: 1fr;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .zc699afaq {
        padding: 40px 0;
    }

    .zc699afaq-card {
        padding: 15px;
    }

    .zc699afaq-header {
        margin-bottom: 15px;
        padding-bottom: 10px;
    }

    .zc699afaq-icon {
        font-size: 2em;
        width: 45px;
        height: 45px;
    }

    .zc699afaq-title h3 {
        font-size: 1.2em;
    }

    .zc699afaq-desc {
        font-size: 0.9em;
    }

    .zc699afaq-item {
        padding: 12px;
    }

    .zc699afaq-item h4 {
        font-size: 0.95em;
        margin-bottom: 8px;
    }

    .zc699afaq-item p {
        font-size: 0.85em;
    }

    .zc699afaq-features {
        padding: 15px;
    }
}

/* 页脚样式 */
.zc699afooter {
    background-color: #333;
    color: white;
    padding: 60px 0 30px;
}

.zc699afooter-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.zc699afooter-section h3 {
    margin-bottom: 20px;
    font-size: 1.2em;
}

.zc699asocial-links {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.zc699afooter-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .zc699aheader .container {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        margin-top: 20px;
    }

    .zc699ahero {
        padding: 120px 0 60px;
    }

    .zc699ahero-content h2 {
        font-size: 2em;
    }

    .zc699ahero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .zc699adownload-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .zc699abtn-secondary {
        margin-left: 0;
    }

    .zc699afooter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .zc699asocial-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .zc699acontainer {
        padding: 0 15px;
    }

    .zc699ahero-content h2 {
        font-size: 1.8em;
    }

    .zc699asection-title {
        font-size: 1.8em;
    }

    .stat-number {
        font-size: 2em;
    }
}

/* 新主横幅样式 */
.zc699aredesigned-hero {
    background: linear-gradient(120deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    padding: 96px 0 48px;
    position: relative;
    overflow: hidden;
}
.zc699aredesign-hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    text-align: left;
}
.zc699aredesign-hero-main {
    flex: 1 1 52%;
    min-width: 0;
    max-width: 580px;
    margin: 0;
}
.zc699aredesign-hero-title {
    font-size: clamp(1.5rem, 3.2vw, 2.1rem);
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
    line-height: 1.35;
}
.zc699aredesign-hero-desc {
    font-size: 0.98em;
    opacity: 0.92;
    margin-bottom: 10px;
    line-height: 1.65;
}
.zc699aredesign-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-start;
}
.zc699aredesign-hero-actions .btn {
    min-width: 110px;
    font-size: 1em;
    padding: 10px 18px;
    border-radius: 6px;
}
.zc699aredesign-hero-image {
    flex: 0 1 42%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    max-width: 420px;
}
.zc699aredesign-hero-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.13);
    background: #fff;
}
@media (max-width: 900px) {
    .zc699aredesign-hero-content {
        gap: 24px;
    }
    .zc699aredesign-hero-image {
        max-width: 360px;
    }
}
@media (max-width: 768px) {
    .zc699aredesign-hero-content {
        flex-direction: column;
        gap: 20px;
    }
    .zc699aredesign-hero-main {
        flex: none;
        max-width: 100%;
    }
    .zc699aredesign-hero-image {
        flex: none;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
}
@media (max-width: 480px) {
    .zc699aredesign-hero-image {
        max-width: 280px;
    }
}

@media (min-width: 1200px) {
    .zc699acontainer {
        max-width: 1200px;
    }
    .main-nav ul {
        gap: 28px;
        padding: 0;
    }
}

/* 头部容器布局 */
.zc699aheader .zc699acontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    gap: 16px;
}

.zc699alogo {
    flex-shrink: 0;
    min-width: 0;
}

.zc699alogo h1 {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: flex-end;
}

.zc699alogo h1 a {
    text-decoration: none;
    color: #1a73e8;
}

.zc699anav-item.zc699athis a,
.main-nav li.zc699athis a {
    color: #1a73e8;
}

/* 首页文章板块 */
.zc699aarticles {
    padding: 80px 0;
    background-color: #fff;
    border-top: 1px solid #e0e0e0;
}

.zc699aarticles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.zc699aarticle-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e8e8e8;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.zc699aarticle-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.zc699aarticle-thumb {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: #f0f4f8;
}

.zc699aarticle-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.zc699aarticle-thumb:not(:has(img)),
.zc699alist-thumb:not(:has(img)),
.zc699asidebar-thumb:not(:has(img)),
.zc699arelated-thumb:not(:has(img)) {
    display: none;
}

.zc699aarticle-card:hover .zc699aarticle-thumb img {
    transform: scale(1.05);
}

.zc699aarticle-info {
    padding: 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.zc699aarticle-info h3 {
    font-size: 0.95em;
    margin-bottom: 8px;
    line-height: 1.4;
    font-weight: 600;
}

.zc699aarticle-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zc699aarticle-info h3 a:hover {
    color: #1a73e8;
}

.zc699aarticle-desc {
    color: #666;
    font-size: 0.85em;
    line-height: 1.5;
    margin-bottom: 8px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zc699aarticle-meta {
    color: #999;
    font-size: 0.8em;
}

/* 内页通用布局 */
.zc699apage-main {
    padding-top: 80px;
    min-height: 60vh;
    background: #f8f9fa;
}

.zc699apage-banner {
    background: linear-gradient(120deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    padding: 40px 0 30px;
}

.zc699apage-title {
    font-size: 2em;
    margin-bottom: 10px;
    font-weight: 700;
}

.zc699abreadcrumb {
    font-size: 0.95em;
    opacity: 0.9;
}

.zc699abreadcrumb a {
    color: #fff;
    text-decoration: none;
}

.zc699abreadcrumb a:hover {
    text-decoration: underline;
}

.zc699abreadcrumb-inner {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.zc699abreadcrumb-inner a {
    color: #1a73e8;
    text-decoration: none;
}

.zc699abreadcrumb-inner a:hover {
    text-decoration: underline;
}

.zc699alist-item:not(:has(.zc699alist-thumb)) .zc699alist-body {
    width: 100%;
}

.zc699aarticle-nav:empty,
.zc699aarticle-nav:not(:has(a)) {
    display: none;
    margin: 0;
    padding: 0;
    border: none;
}

.zc699apage-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    padding: 40px 0 60px;
    align-items: start;
}

.zc699apage-content {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid #e8e8e8;
}

/* 列表页 */
.zc699alist-items {
    list-style: none;
}

.zc699alist-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s;
}

.zc699alist-item:first-child {
    padding-top: 0;
}

.zc699alist-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.zc699alist-item:hover {
    background: #fafbfc;
}

.zc699alist-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 130px;
    border-radius: 8px;
    overflow: hidden;
    background: #f0f4f8;
    display: block;
}

.zc699alist-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.zc699alist-item:hover .zc699alist-thumb img {
    transform: scale(1.05);
}

.zc699alist-body {
    flex: 1;
    min-width: 0;
}

.zc699alist-title {
    font-size: 1.2em;
    margin-bottom: 10px;
    line-height: 1.4;
}

.zc699alist-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zc699alist-title a:hover {
    color: #1a73e8;
}

.zc699alist-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: #999;
    font-size: 0.85em;
    margin-bottom: 10px;
}

.zc699alist-meta span {
    position: relative;
}

.zc699alist-intro {
    color: #666;
    font-size: 0.95em;
    line-height: 1.6;
}

/* 分页 - 左右布局 */
.zc699apagebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #f0f0f0;
    gap: 15px;
}

.zc699apagebar-left,
.zc699apagebar-right {
    flex-shrink: 0;
    min-width: 80px;
}

.zc699apagebar-left {
    text-align: left;
}

.zc699apagebar-right {
    text-align: right;
}

.zc699apagebar-center {
    flex: 1;
    text-align: center;
}

.zc699apagebar .pagelist,
.zc699apagebar ul {
    list-style: none;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.zc699apagebar .pagelist li,
.zc699apagebar ul li {
    display: inline-block;
}

.zc699apagebar .pagelist a,
.zc699apagebar .pagelist span,
.zc699apagebar ul a,
.zc699apagebar ul span {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    font-size: 0.9em;
    transition: all 0.3s;
    background: #fff;
}

.zc699apagebar .pagelist a:hover,
.zc699apagebar ul a:hover {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}

.zc699apagebar .pagelist .thisclass a,
.zc699apagebar ul .thisclass a {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}

/* 侧栏 */
.zc699asidebar {
    position: sticky;
    top: 100px;
}

.zc699asidebar-block {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid #e8e8e8;
}

.zc699asidebar-block:last-child {
    margin-bottom: 0;
}

.zc699asidebar-title {
    font-size: 1.1em;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a73e8;
    font-weight: 600;
}

.zc699asidebar-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zc699asidebar-title a:hover {
    color: #1a73e8;
}

.zc699asidebar-list {
    list-style: none;
}

.zc699asidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px dashed #f0f0f0;
}

.zc699asidebar-item:last-child {
    border-bottom: none;
}

.zc699asidebar-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
    background: #f0f4f8;
    display: block;
}

.zc699asidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zc699asidebar-link {
    flex: 1;
    color: #333;
    text-decoration: none;
    font-size: 0.88em;
    line-height: 1.4;
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zc699asidebar-link:hover {
    color: #1a73e8;
}

/* 内容页 */
.zc699aarticle-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.zc699aarticle-title {
    font-size: 1.8em;
    line-height: 1.4;
    margin-bottom: 15px;
    color: #333;
    font-weight: 700;
}

.zc699aarticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: #999;
    font-size: 0.9em;
}

.zc699aarticle-meta a {
    color: #1a73e8;
    text-decoration: none;
}

.zc699aarticle-litpic {
    margin-bottom: 24px;
    border-radius: 10px;
    overflow: hidden;
    background: #f0f4f8;
}

.zc699aarticle-litpic img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 420px;
    object-fit: cover;
}

.zc699aarticle-litpic:empty,
.zc699aarticle-litpic img[src=""],
.zc699aarticle-litpic img:not([src]) {
    display: none;
}

.zc699aarticle-body {
    font-size: 1.05em;
    line-height: 1.8;
    color: #444;
    margin-bottom: 30px;
}

.zc699aarticle-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 10px 0;
}

.zc699aarticle-body p {
    margin-bottom: 16px;
}

.zc699adiyfield {
    margin-bottom: 24px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
}

.zc699aarticle-gallery {
    margin-bottom: 24px;
}

.zc699agallery-item {
    margin-bottom: 16px;
    text-align: center;
}

.zc699agallery-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.zc699agallery-item figcaption {
    margin-top: 8px;
    color: #666;
    font-size: 0.9em;
}

.zc699ameta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    padding: 16px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

.zc699atagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: #f0f4f8;
    color: #1a73e8;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85em;
    transition: all 0.3s;
}

.zc699atagitem a:hover {
    background: #1a73e8;
    color: #fff;
}

.zc699aarticle-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95em;
}

.zc699aarticle-nav-prev,
.zc699aarticle-nav-next {
    flex: 1;
    min-width: 0;
}

.zc699aarticle-nav-prev span,
.zc699aarticle-nav-next span {
    color: #999;
}

.zc699aarticle-nav-prev a,
.zc699aarticle-nav-next a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.zc699aarticle-nav-prev a:hover,
.zc699aarticle-nav-next a:hover {
    color: #1a73e8;
}

.zc699aarticle-nav-next {
    text-align: right;
}

.zc699arelated-title {
    font-size: 1.3em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a73e8;
    font-weight: 600;
}

.zc699arelated-list {
    list-style: none;
}

.zc699arelated-item {
    display: flex;
    gap: 15px;
    padding: 16px 0;
    border-bottom: 1px solid #f0f0f0;
}

.zc699arelated-item:last-child {
    border-bottom: none;
}

.zc699arelated-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    background: #f0f4f8;
    display: block;
}

.zc699arelated-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zc699arelated-info {
    flex: 1;
    min-width: 0;
}

.zc699arelated-link {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    display: block;
    margin-bottom: 6px;
    transition: color 0.3s;
}

.zc699arelated-link:hover {
    color: #1a73e8;
}

.zc699arelated-info p {
    color: #666;
    font-size: 0.9em;
    line-height: 1.5;
}

/* 内页与文章板块响应式 */
@media (max-width: 1200px) {
    .zc699aarticles-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 991px) {
    .zc699aarticles-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .zc699apage-layout {
        grid-template-columns: 1fr;
    }

    .zc699asidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .zc699apage-main {
        padding-top: 0;
    }

    .zc699aheader .zc699acontainer {
        height: auto;
        padding: 10px 15px;
        position: relative;
    }

    .zc699aarticles {
        padding: 60px 0;
    }

    .zc699aarticles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 12px;
    }

    .zc699apage-banner {
        padding: 70px 0 24px;
    }

    .zc699apage-title {
        font-size: 1.6em;
    }

    .zc699apage-layout {
        padding: 24px 0 40px;
        gap: 20px;
    }

    .zc699apage-content {
        padding: 20px;
    }

    .zc699alist-item {
        flex-direction: column;
        gap: 12px;
    }

    .zc699alist-thumb {
        width: 100%;
        height: 180px;
    }

    .zc699apagebar {
        flex-direction: column;
        align-items: stretch;
    }

    .zc699apagebar-left,
    .zc699apagebar-right,
    .zc699apagebar-center {
        text-align: center;
        min-width: auto;
    }

    .zc699aarticle-title {
        font-size: 1.4em;
    }

    .zc699aarticle-nav {
        flex-direction: column;
        gap: 12px;
    }

    .zc699aarticle-nav-next {
        text-align: left;
    }

    .zc699arelated-item {
        flex-direction: column;
    }

    .zc699arelated-thumb {
        width: 100%;
        height: 160px;
    }

    .zc699asidebar-block {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .zc699aarticles-grid {
        grid-template-columns: 1fr;
    }

    .zc699aarticle-info h3 {
        font-size: 0.9em;
    }

    .zc699apage-content {
        padding: 16px;
    }

    .zc699alist-title {
        font-size: 1.05em;
    }

    .zc699aarticle-title {
        font-size: 1.25em;
    }

    .zc699aarticle-meta {
        flex-direction: column;
        gap: 6px;
    }
}

/* ===== 首页板块差异化布局 ===== */
.zc699afeatures,
.zc699aproducts,
.zc699aguide,
.zc699afaq,
.zc699aarticles {
    padding: 64px 0;
}

.zc699adownload-section {
    padding: 64px 0;
}

.zc699asection-head--left {
    text-align: left;
    margin-bottom: 28px;
}

.zc699asection-title {
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    margin-bottom: 32px;
}

.zc699asection-title--left {
    text-align: left;
    margin-bottom: 8px;
}

.zc699asection-title--left:after {
    left: 0;
    transform: none;
}

.zc699asection-title--light {
    color: #fff;
    margin-bottom: 14px;
}

.zc699asection-title--light:after {
    background-color: rgba(255,255,255,0.85);
}

.zc699asection-subtitle {
    color: #666;
    font-size: 0.98em;
    line-height: 1.6;
    max-width: 640px;
    margin: 0;
}

.zc699afaq-aside .zc699asection-title {
    margin-bottom: 10px;
}

/* 平台优势 - 顶部横幅 + 三列网格 */
.zc699afeatures-bento {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.zc699afeatures-bento .zc699afeature-card {
    text-align: left;
    min-height: 0;
    padding: 20px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
    overflow: visible;
}

.zc699afeatures-bento .zc699afeature-card:hover {
    transform: translateY(-3px);
}

.zc699afeatures-bento .zc699afeature-icon {
    margin-bottom: 0;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    font-size: 1.75em;
}

.zc699afeatures-bento .zc699afeature-body {
    flex: 1;
    min-width: 0;
}

.zc699afeatures-bento .zc699afeature-card h3,
.zc699afeatures-bento .zc699afeature-card p {
    height: auto;
    justify-content: flex-start;
    text-align: left;
    display: block;
}

.zc699afeatures-bento .zc699afeature-card h3 {
    font-size: 1.1em;
    margin-bottom: 4px;
}

.zc699afeatures-bento .zc699afeature-card p {
    font-size: 0.88em;
    margin-bottom: 10px;
    line-height: 1.5;
}

.zc699afeature-card--lead {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    background: linear-gradient(145deg, #fff 0%, #f0f6ff 100%);
}

.zc699afeature-card--lead .zc699afeature-icon {
    width: 56px;
    height: 56px;
    font-size: 2.4em;
}

.zc699afeature-card--lead .zc699afeature-list {
    border-top: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.zc699afeature-card--lead .zc699afeature-list li {
    margin: 0;
    padding: 4px 12px;
    background: #fff;
    border-radius: 20px;
    font-size: 0.85em;
    border: 1px solid #dce8f8;
}

.zc699afeature-card--lead .zc699afeature-list li:before {
    display: none;
}

.zc699afeature-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0;
    margin: 0;
}

.zc699afeature-tags li {
    background: #eef4fc;
    color: #1a73e8;
    font-size: 0.78em;
    padding: 3px 8px;
    border-radius: 20px;
    line-height: 1.4;
}

.zc699afeatures-summary,
.zc699aproducts-summary {
    margin-top: 28px;
    padding: 18px 20px;
}

/* 产品服务 - 横向列表 */
.zc699aproducts {
    background: #fff;
}

.zc699aproducts-rows {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.zc699aproduct-row {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    grid-template-rows: auto auto;
    gap: 10px 16px;
    align-items: start;
    padding: 18px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e8e8e8;
    transition: all 0.3s ease;
}

.zc699aproduct-row .zc699aproduct-icon {
    grid-row: 1 / 3;
    align-self: start;
}

.zc699aproduct-row:hover {
    background: #fff;
    box-shadow: 0 6px 20px rgba(26,115,232,0.08);
    border-color: #c5daf7;
}

.zc699aproduct-row .zc699aproduct-icon {
    margin-bottom: 0;
    height: 48px;
    width: 48px;
    font-size: 1.6em;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.zc699aproduct-row h3 {
    font-size: 1.2em;
    margin-bottom: 6px;
    color: #333;
    height: auto;
}

.zc699aproduct-row .zc699aproduct-desc {
    height: auto;
    justify-content: flex-start;
    text-align: left;
    font-size: 0.95em;
    margin-bottom: 0;
}

.zc699aproduct-pills {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
    grid-column: 2;
    max-width: none;
    margin: 0;
    padding: 0;
}

.zc699aproduct-pills li {
    background: #fff;
    border: 1px solid #dce8f8;
    color: #555;
    font-size: 0.78em;
    padding: 4px 9px;
    border-radius: 6px;
    line-height: 1.3;
}

/* 下载中心 - 分栏面板 */
.zc699adownload-section {
    background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
    border: none;
}

.zc699adownload-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 28px;
    align-items: start;
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.15);
}

.zc699adownload-lead {
    color: rgba(255,255,255,0.9);
    line-height: 1.7;
    margin: 16px 0 24px;
    font-size: 0.98em;
}

.zc699adownload-badges {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 0;
}

.zc699adownload-badges li {
    background: rgba(255,255,255,0.12);
    color: #fff;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.zc699adownload-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.zc699adownload-row {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 12px 14px;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 14px 16px;
    transition: box-shadow 0.3s ease;
}

.zc699adownload-row:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.zc699adownload-row-icon {
    font-size: 2em;
    text-align: center;
}

.zc699adownload-row-body h3 {
    font-size: 1.1em;
    margin-bottom: 4px;
    color: #333;
}

.zc699adownload-row .zc699adownload-desc {
    font-size: 0.88em;
    color: #666;
    margin: 0;
}

.zc699adownload-row .zc699abtn-download {
    margin-top: 0;
    padding: 9px 16px;
    font-size: 0.88em;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 使用指南 - 三列等高卡片 */
.zc699aguide-timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 24px;
    align-items: stretch;
}

.zc699aguide-phase {
    background: #fff;
    border-radius: 14px;
    padding: 20px 18px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.zc699aguide-phase-head {
    margin-bottom: 20px;
}

.zc699aguide-phase-num {
    display: inline-block;
    background: #1a73e8;
    color: #fff;
    font-weight: 700;
    font-size: 0.85em;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.zc699aguide-phase-title {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.zc699aguide-phase-title .zc699aguide-icon {
    width: 44px;
    height: 44px;
    font-size: 1.8em;
    margin: 0;
}

.zc699aguide-phase-title h3 {
    font-size: 1.2em;
    margin-bottom: 4px;
}

.zc699aguide-steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.zc699aguide-steps-list li {
    padding: 12px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.zc699aguide-steps-list li:last-child {
    border-bottom: none;
}

.zc699aguide-steps-list strong {
    color: #333;
    font-size: 0.95em;
}

.zc699aguide-steps-list span {
    color: #666;
    font-size: 0.88em;
    line-height: 1.5;
}

.zc699aguide-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px;
    background: linear-gradient(to right, rgba(26,115,232,0.06), rgba(13,71,161,0.06));
    border-radius: 12px;
    border: 1px solid rgba(26,115,232,0.12);
}

.zc699aguide-note {
    flex: 1;
    min-width: 240px;
    color: #444;
    line-height: 1.6;
    margin: 0;
}

.zc699aguide-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 0;
    margin: 0;
}

.zc699aguide-links li {
    background: #fff;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9em;
    color: #333;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 常见问题 - 侧栏 + 问答列表 */
.zc699afaq-layout {
    display: grid;
    grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.zc699afaq-main {
    background: #fff;
    border-radius: 14px;
    padding: 24px 28px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.zc699afaq-aside {
    position: sticky;
    top: 100px;
}

.zc699afaq-aside-desc {
    color: #666;
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 24px;
}

.zc699afaq-support {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.zc699afaq-support li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e8e8e8;
}

.zc699afaq-support li span {
    font-size: 1.4em;
    flex-shrink: 0;
}

.zc699afaq-support strong {
    display: block;
    font-size: 0.95em;
    margin-bottom: 2px;
}

.zc699afaq-support p {
    color: #666;
    font-size: 0.85em;
    margin: 0;
}

.zc699afaq-group {
    margin-bottom: 28px;
}

.zc699afaq-group:last-child {
    margin-bottom: 0;
}

.zc699afaq-group-title {
    font-size: 1.15em;
    color: #1a73e8;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e8f0fe;
    display: flex;
    align-items: center;
    gap: 8px;
}

.zc699afaq-dl {
    margin: 0;
}

.zc699afaq-dl .zc699afaq-item {
    padding: 16px 0;
    background: none;
    border: none;
    border-bottom: 1px solid #f0f0f0;
    border-radius: 0;
}

.zc699afaq-dl .zc699afaq-item:hover {
    transform: none;
    background: none;
}

.zc699afaq-dl .zc699afaq-item:last-child {
    border-bottom: none;
}

.zc699afaq-dl dt {
    font-weight: 600;
    color: #333;
    font-size: 1em;
    margin-bottom: 8px;
    padding-left: 0;
}

.zc699afaq-dl dt:before,
.zc699afaq-dl dd:before {
    display: none;
}

.zc699afaq-dl dd {
    color: #666;
    font-size: 0.92em;
    line-height: 1.7;
    margin: 0;
    padding-left: 0;
}

/* 最新资讯 - 杂志布局 */
.zc699aarticles {
    background: #f8f9fa;
}

.zc699aarticles-magazine {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.zc699aarticles-magazine .zc699aarticle-card:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: stretch;
}

.zc699aarticles-magazine .zc699aarticle-card:first-child .zc699aarticle-thumb {
    aspect-ratio: 16 / 9;
    max-height: 240px;
}

.zc699aarticles-magazine .zc699aarticle-card:first-child .zc699aarticle-info {
    padding: 22px 24px;
    justify-content: center;
}

.zc699aarticles-magazine .zc699aarticle-card:first-child h3 {
    font-size: 1.15em;
    line-height: 1.45;
}

.zc699aarticles-magazine .zc699aarticle-card:not(:first-child) .zc699aarticle-info h3 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 首页新布局响应式 */
@media (max-width: 1100px) {
    .main-nav ul {
        gap: 24px;
    }

    .zc699afeatures-bento {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zc699afeature-card--lead {
        grid-column: 1 / -1;
        flex-direction: column;
        align-items: flex-start;
    }

    .zc699adownload-panel {
        grid-template-columns: 1fr;
    }

    .zc699adownload-row {
        grid-template-columns: 40px minmax(0, 1fr);
        grid-template-rows: auto auto;
    }

    .zc699adownload-row .zc699abtn-download {
        grid-column: 1 / -1;
        width: 100%;
        text-align: center;
    }

    .zc699aguide-timeline {
        grid-template-columns: 1fr;
    }

    .zc699afaq-layout {
        grid-template-columns: 1fr;
    }

    .zc699afaq-aside {
        position: static;
    }

    .zc699afaq-support {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .zc699afaq-support li {
        flex: 1 1 180px;
    }

    .zc699aarticles-magazine {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zc699aarticles-magazine .zc699aarticle-card:first-child {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .zc699aredesigned-hero {
        padding: 88px 0 36px;
    }

    .zc699aredesign-hero-content {
        flex-direction: column;
        text-align: center;
    }

    .zc699aredesign-hero-main {
        max-width: 100%;
    }

    .zc699aredesign-hero-actions {
        justify-content: center;
    }

    .zc699afeatures-bento {
        grid-template-columns: 1fr;
    }

    .zc699afeature-card--lead {
        grid-column: 1 / -1;
        flex-direction: column;
        align-items: flex-start;
    }

    .zc699afeatures-bento .zc699afeature-card {
        flex-direction: row;
    }

    .zc699asection-title {
        margin-bottom: 24px;
    }

    .zc699aproduct-row {
        padding: 16px;
        gap: 10px 12px;
    }

    .zc699aproduct-row .zc699aproduct-icon {
        grid-row: 1;
    }

    .zc699aproduct-pills {
        grid-column: 1 / -1;
    }

    .zc699adownload-panel {
        padding: 20px;
    }

    .zc699adownload-row {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 12px;
    }

    .zc699adownload-row-icon {
        font-size: 2.4em;
    }

    .zc699adownload-row .zc699abtn-download {
        width: 100%;
    }

    .zc699aguide-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .zc699aguide-links {
        flex-direction: column;
    }

    .zc699afaq-support {
        flex-direction: column;
    }

    .zc699aarticles-magazine {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zc699aarticles-magazine .zc699aarticle-card:first-child {
        grid-template-columns: 1fr;
    }

    .zc699aarticles-magazine .zc699aarticle-card:first-child .zc699aarticle-thumb {
        max-height: 200px;
    }

    .zc699afaq-main {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .zc699aredesign-hero-title {
        font-size: 1.6em;
    }

    .zc699aredesign-hero-desc {
        font-size: 0.95em;
    }

    .zc699aredesign-hero-actions {
        flex-direction: column;
    }

    .zc699aredesign-hero-actions .zc699abtn {
        width: 100%;
    }

    .zc699aarticles-magazine {
        grid-template-columns: 1fr;
    }

    .zc699asection-head--left,
    .zc699asection-title--left {
        text-align: left;
    }
}