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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* 头部样式 */
.zcbbbfheader {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.zcbbbfheader .zcbbbfcontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.zcbbbflogo {
    flex: 1;
}

.zcbbbflogo-text {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 5px;
}

.zcbbbflogo-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.zcbbbfnav {
    flex: 1;
    text-align: right;
}

.zcbbbfnav-list {
    list-style: none;
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 20px;
}

.zcbbbfnav-link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s;
    display: block;
}

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

/* 汉堡菜单按钮 */
.zcbbbfmenu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
    z-index: 1001;
}

.zcbbbfmenu-icon {
    width: 25px;
    height: 3px;
    background-color: #fff;
    border-radius: 3px;
    transition: all 0.3s;
}

/* 主要内容区域 */
.zcbbbfmain {
    min-height: calc(100vh - 200px);
}

/* 英雄区域 */
.zcbbbfhero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.zcbbbfhero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.zcbbbfhero-content {
    text-align: left;
    z-index: 2;
}

.zcbbbfhero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.zcbbbfhero-description {
    font-size: 18px;
    margin-bottom: 30px;
    line-height: 1.8;
    opacity: 0.95;
}

.zcbbbfhero-buttons {
    display: flex;
    gap: 20px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.zcbbbfhero-image {
    text-align: center;
    z-index: 1;
    position: relative;
}

.zcbbbfhero-img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    animation: zcbbbffloat 3s ease-in-out infinite;
}

@keyframes zcbbbffloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* 按钮样式 */
.zcbbbfbtn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.zcbbbfbtn-primary {
    background-color: #fff;
    color: #667eea;
}

.zcbbbfbtn-primary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.zcbbbfbtn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.zcbbbfbtn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.zcbbbfbtn-download {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    width: 100%;
    text-align: center;
    margin-top: 15px;
}

.zcbbbfbtn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 广告区域 */
.zcbbbfad-section {
    width: 100%;
    text-align: center;
    padding: 20px 0;
    background-color: #fff;
    overflow: hidden;
}

.zcbbbfad-section script {
    display: block;
    margin: 0 auto;
}

/* 下载区域 */
.zcbbbfdownload-section {
    padding: 80px 0;
    background-color: #fff;
}

.zcbbbfsection-title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px;
    color: #333;
}

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

.zcbbbfdownload-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #e0e0e0;
}

.zcbbbfdownload-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.zcbbbfdownload-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.zcbbbfdownload-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.zcbbbfdownload-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    padding: 15px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.zcbbbfdownload-version,
.zcbbbfdownload-size {
    font-size: 14px;
    color: #888;
}

/* 功能特色区域 */
.zcbbbffeatures-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.zcbbbffeatures-header {
    text-align: center;
    margin-bottom: 50px;
}

.zcbbbffeatures-subtitle {
    font-size: 18px;
    color: #666;
    margin-top: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.zcbbbffeatures-wrapper {
    width: 100%;
}

.zcbbbffeatures-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.zcbbbffeature-item {
    background: #fff;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: left;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #e8e8e8;
    display: flex;
    flex-direction: column;
}

.zcbbbffeature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.zcbbbffeature-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-color: #667eea;
}

.zcbbbffeature-highlight .zcbbbffeature-title,
.zcbbbffeature-highlight .zcbbbffeature-desc,
.zcbbbffeature-highlight .zcbbbffeature-list {
    color: #fff;
}

.zcbbbffeature-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    backdrop-filter: blur(10px);
}

.zcbbbffeature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.zcbbbffeature-highlight .zcbbbffeature-icon-wrapper {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.zcbbbffeature-icon {
    font-size: 32px;
    line-height: 1;
}

.zcbbbffeature-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #333;
    line-height: 1.3;
}

.zcbbbffeature-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
    flex-grow: 1;
}

.zcbbbffeature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: #555;
}

.zcbbbffeature-list li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.zcbbbffeature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 14px;
}

.zcbbbffeature-highlight .zcbbbffeature-list li:before {
    color: #fff;
}

/* 文章区域 */
.zcbbbfarticle-section {
    padding: 80px 0;
    background-color: #fff;
}

.zcbbbfarticle-content {
    max-width: 900px;
    margin: 0 auto;
}

.zcbbbfarticle {
    margin-bottom: 40px;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.zcbbbfarticle-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.zcbbbfarticle-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

/* 常见问题区域 */
.zcbbbffaq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.zcbbbffaq-list {
    max-width: 900px;
    margin: 0 auto;
}

.zcbbbffaq-item {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.zcbbbffaq-question {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.zcbbbffaq-answer {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 页脚样式 */
.zcbbbffooter {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #fff;
    padding: 50px 0 20px;
}

.zcbbbffooter-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.zcbbbffooter-section {
    flex: 1;
}

.zcbbbffooter-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.zcbbbffooter-text {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.9;
}

.zcbbbffooter-links {
    list-style: none;
}

.zcbbbffooter-links li {
    margin-bottom: 10px;
}

.zcbbbffooter-link {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.zcbbbffooter-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.zcbbbffooter-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.zcbbbffooter-copyright {
    font-size: 14px;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 1024px) and (min-width: 769px) {
    .zcbbbfnav-list {
        gap: 15px;
    }

    .zcbbbfnav-link {
        font-size: 15px;
        padding: 8px 12px;
    }

    .zcbbbfhero-wrapper {
        gap: 40px;
    }

    .zcbbbfhero-title {
        font-size: 38px;
    }

    .zcbbbfhero-description {
        font-size: 16px;
    }

    .zcbbbffeatures-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .zcbbbffeature-item {
        padding: 22px 18px;
    }
}

@media (max-width: 768px) {
    .zcbbbfheader .zcbbbfcontainer {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }

    .zcbbbflogo {
        flex: 0 0 auto;
    }

    .zcbbbfmenu-toggle {
        display: flex;
    }

    .zcbbbfnav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        margin-top: 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .zcbbbfnav.active {
        max-height: 400px;
    }

    .zcbbbfnav-list {
        flex-direction: column;
        width: 100%;
        padding: 20px;
        gap: 0;
        justify-content: flex-start;
    }

    .zcbbbfnav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .zcbbbfnav-link {
        padding: 15px 20px;
        text-align: left;
        display: block;
        width: 100%;
        font-size: 16px;
    }

    .zcbbbfnav-link:hover {
        background-color: rgba(255, 255, 255, 0.15);
        padding-left: 25px;
    }

    .zcbbbfhero-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .zcbbbfhero-content {
        text-align: center;
    }

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

    .zcbbbfhero-title {
        font-size: 32px;
    }

    .zcbbbfhero-description {
        font-size: 16px;
    }

    .zcbbbfhero-image {
        order: -1;
    }

    .zcbbbfsection-title {
        font-size: 28px;
    }

    .zcbbbfdownload-grid {
        grid-template-columns: 1fr;
    }

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

    .zcbbbffeatures-section {
        padding: 50px 0;
    }

    .zcbbbffeatures-header {
        margin-bottom: 35px;
    }

    .zcbbbffeatures-subtitle {
        font-size: 16px;
        padding: 0 15px;
    }

    .zcbbbffooter-content {
        grid-template-columns: 1fr;
    }

    .zcbbbflogo-text {
        font-size: 20px;
    }

    .zcbbbflogo-subtitle {
        font-size: 12px;
    }

    .zcbbbfmenu-icon {
        width: 22px;
        height: 2.5px;
    }
}

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

    .zcbbbfheader {
        padding: 15px 0;
    }

    .zcbbbflogo-text {
        font-size: 18px;
    }

    .zcbbbflogo-subtitle {
        font-size: 11px;
    }

    .zcbbbfnav-list {
        padding: 15px;
    }

    .zcbbbfnav-link {
        padding: 12px 15px;
        font-size: 15px;
    }

    .zcbbbfhero {
        padding: 50px 0;
    }

    .zcbbbfhero-wrapper {
        gap: 30px;
    }

    .zcbbbfhero-title {
        font-size: 24px;
    }

    .zcbbbfhero-description {
        font-size: 14px;
    }

    .zcbbbfhero-img {
        border-radius: 10px;
    }

    .zcbbbfhero-buttons {
        flex-direction: column;
    }

    .zcbbbfbtn {
        width: 100%;
    }

    .zcbbbfdownload-section,
    .zcbbbffeatures-section,
    .zcbbbfarticle-section,
    .zcbbbffaq-section {
        padding: 50px 0;
    }

    .zcbbbfsection-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .zcbbbfdownload-card,
    .zcbbbffeature-item,
    .zcbbbfarticle,
    .zcbbbffaq-item {
        padding: 20px;
    }

    .zcbbbffeatures-row {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }

    .zcbbbffeature-icon-wrapper {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }

    .zcbbbffeature-icon {
        font-size: 28px;
    }

    .zcbbbffeature-title {
        font-size: 18px;
    }

    .zcbbbffeature-desc {
        font-size: 13px;
    }

    .zcbbbffeature-list {
        font-size: 12px;
    }
}

/* 打印样式 */
@media print {
    .zcbbbfheader,
    .zcbbbffooter {
        background: #fff;
        color: #000;
    }

    .zcbbbfbtn {
        display: none;
    }
}