/* 基础重置 */
.z2fb52body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    background: #f7f9fa;
    color: #222;
}

.z2fb52container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* Flex工具类 */
.z2fb52flex {
    display: flex;
}
.z2fb52justify-between {
    justify-content: space-between;
}
.z2fb52align-center {
    align-items: center;
}

/* Header & Nav */
.z2fb52header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.z2fb52logo-text {
    font-size: 2rem;
    font-weight: bold;
    color: #1a73e8;
    letter-spacing: 2px;
}
.z2fb52nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.2rem;
}
@media (max-width: 900px) {
    .z2fb52nav-list {
        gap: 1rem;
    }
}
.z2fb52nav-link {
    text-decoration: none;
    color: #222;
    font-size: 1rem;
    transition: color 0.2s;
}
.z2fb52nav-link:hover {
    color: #1a73e8;
}

/* Hero Banner */
.z2fb52hero {
    background: linear-gradient(120deg, #1a73e8 0%, #00c6fb 100%);
    color: #fff;
    padding: 3rem 0 2rem 0;
    text-align: center;
}
.z2fb52hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}
.z2fb52hero-desc {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* 按钮 */
.z2fb52btn {
    display: inline-block;
    padding: 0.75rem 2.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}
.z2fb52btn-primary {
    background: #1a73e8;
    color: #fff;
}
.z2fb52btn-primary:hover {
    background: #1761c6;
}
.z2fb52btn-secondary {
    background: #fff;
    color: #1a73e8;
    border: 2px solid #1a73e8;
}
.z2fb52btn-secondary:hover {
    background: #e3f0fd;
}

/* Section 标题 */
.z2fb52section-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 2rem 0 1.5rem 0;
    text-align: center;
    color: #1a73e8;
}

/* 平台优势 */
.z2fb52features-list {
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}
.z2fb52feature-item {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 2rem 1.5rem;
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 270px;
    margin-bottom: 1.5rem;
    text-align: center;
}
.z2fb52feature-title {
    font-size: 1.2rem;
    color: #1a73e8;
    margin-bottom: 0.5rem;
}
.z2fb52feature-desc {
    font-size: 1rem;
    color: #444;
}

/* 下载区块 */
.z2fb52download-list {
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}
.z2fb52download-item {
    background: #f0f6ff;
    border-radius: 16px;
    padding: 1.5rem 1rem;
    flex: 1 1 220px;
    min-width: 220px;
    max-width: 270px;
    margin-bottom: 1.5rem;
    text-align: center;
}
.z2fb52download-title {
    font-size: 1.1rem;
    color: #1a73e8;
    margin-bottom: 1rem;
}

/* 关于我们 */
.z2fb52about-flex {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    flex-wrap: wrap;
}
.z2fb52about-imgwrap {
    flex: 1 1 320px;
    min-width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.z2fb52about-img {
    max-width: 320px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    background: #fff;
}
.z2fb52about-content {
    flex: 2 1 400px;
    min-width: 260px;
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    color: #333;
    font-size: 1.1rem;
    line-height: 1.8;
}
.z2fb52about-tags {
    margin-bottom: 1rem;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.z2fb52about-list {
    margin: 1.2rem 0 0 0;
    padding: 0 0 0 1.2rem;
    color: #1a73e8;
    font-size: 1rem;
    line-height: 1.8;
}
.z2fb52about-list li {
    margin-bottom: 0.3rem;
    list-style: disc;
}

/* 联系我们表单 */
.z2fb52contact-form {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    max-width: 500px;
    margin: 0 auto;
}
.z2fb52form-group {
    margin-bottom: 1.2rem;
}
.z2fb52input, .z2fb52textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid #cfd8dc;
    border-radius: 6px;
    font-size: 1rem;
    margin-top: 0.3rem;
    box-sizing: border-box;
    background: #f7f9fa;
    resize: none;
}
.z2fb52input:focus, .z2fb52textarea:focus {
    border-color: #1a73e8;
    outline: none;
    background: #fff;
}

/* Footer */
.z2fb52footer {
    background: #1a73e8;
    color: #fff;
    text-align: center;
    padding: 0.3rem 0 0.3rem 0;
    margin-top: 2rem;
}
.z2fb52footer-links {
    margin-bottom: 0.2rem;
}
.z2fb52footer-links h2 {
    margin: 0 0 0.2rem 0;
    font-size: 1rem;
}
.z2fb52links-list {
    gap: 0.4rem;
}
.z2fb52footer-text {
    margin: 0.1rem 0 0.1rem 0;
    font-size: 0.93rem;
    line-height: 1.3;
}
.z2fb52footer-tplinfo {
    margin: 0.1rem 0 0 0;
    font-size: 0.85rem;
    line-height: 1.2;
}
.z2fb52footer .z2fb52container {
    padding: 0 !important;
    min-height: unset !important;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .z2fb52flex {
        flex-direction: column;
        gap: 1.2rem;
    }
    .z2fb52nav-list {
        gap: 1rem;
    }
    .z2fb52container {
        width: 98%;
        padding: 0 0.5rem;
    }
    .z2fb52hero-title {
        font-size: 1.6rem;
    }
    .z2fb52section-title {
        font-size: 1.3rem;
    }
    .z2fb52feature-item, .z2fb52download-item {
        min-width: 90%;
        max-width: 100%;
        padding: 1rem 0.5rem;
    }
    .z2fb52about-flex {
        flex-direction: column;
        gap: 1.2rem;
    }
    .z2fb52about-content {
        padding: 1.2rem 0.7rem;
    }
    .z2fb52about-img {
        max-width: 280px;
    }
    .z2fb52about-tags {
        justify-content: center;
    }
    .z2fb52about-list {
        padding: 0;
        margin: 0.5rem 0 0 0;
    }
    .z2fb52about-list li {
        margin-bottom: 0.2rem;
    }
    .z2fb52hero-btns {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
    }
    .z2fb52hero-btns .z2fb52btn-secondary {
        background: #1abc9c;
        color: #fff;
        border: none;
    }
    .z2fb52hero-btns .z2fb52btn-secondary:hover {
        background: #159c85;
        color: #fff;
    }
}
@media (max-width: 600px) {
    .z2fb52container {
        width: 98%;
        padding: 0 0.5rem;
    }
    .z2fb52hero-title {
        font-size: 1.6rem;
    }
    .z2fb52section-title {
        font-size: 1.3rem;
    }
    .z2fb52feature-item, .z2fb52download-item {
        min-width: 90%;
        max-width: 100%;
        padding: 1rem 0.5rem;
    }
    .z2fb52about-content, .z2fb52contact-form {
        padding: 1rem 0.5rem;
    }
    .z2fb52hero-btns {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
        width: 100%;
    }
    .z2fb52hero-btns .z2fb52btn {
        width: 100%;
        max-width: 320px;
        margin-bottom: 0.5rem;
        box-sizing: border-box;
    }
    .z2fb52hero-btns .z2fb52btn:last-child {
        margin-bottom: 0;
    }
    .z2fb52hero-btns .z2fb52btn-secondary {
        background: #1abc9c;
        color: #fff;
        border: none;
    }
    .z2fb52hero-btns .z2fb52btn-secondary:hover {
        background: #159c85;
        color: #fff;
    }
} 

.z2fb52features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.1rem;
}
.z2fb52feature-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 1.3rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    min-width: 0;
}
.z2fb52feature-card:hover {
    box-shadow: 0 6px 24px rgba(26,115,232,0.13);
    transform: translateY(-4px) scale(1.03);
}
.z2fb52feature-icon {
    font-size: 2.2rem;
    margin-bottom: 0.7rem;
}
.z2fb52feature-title {
    font-size: 1.1rem;
    color: #1a73e8;
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-align: center;
}
.z2fb52feature-desc {
    font-size: 0.98rem;
    color: #444;
    text-align: center;
    line-height: 1.7;
}
.z2fb52feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
    justify-content: center;
}
.z2fb52tag {
    display: inline-block;
    background: linear-gradient(90deg, #1a73e8 60%, #00c6fb 100%);
    color: #fff;
    font-size: 0.78rem;
    border-radius: 10px;
    padding: 0.13rem 0.7rem;
    font-weight: 500;
    letter-spacing: 1px;
    box-shadow: 0 1px 4px rgba(26,115,232,0.08);
    white-space: nowrap;
}
@media (max-width: 1200px) {
    .z2fb52features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 700px) {
    .z2fb52features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z2fb52feature-card {
        padding: 0.8rem 0.4rem 0.7rem 0.4rem;
    }
} 

.z2fb52download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 1.1rem;
}
.z2fb52download-card {
    background: linear-gradient(135deg, #f0f6ff 60%, #e8f9f3 100%);
    border: 2px solid #e0e7ef;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 1.2rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
    min-width: 0;
}
/* 安卓按钮绿色 */
.z2fb52download-card:nth-child(1) .z2fb52btn-primary {
    background: #1abc9c;
    color: #fff;
}
.z2fb52download-card:nth-child(1) .z2fb52btn-primary:hover {
    background: #159c85;
}
/* iOS按钮蓝色 */
.z2fb52download-card:nth-child(2) .z2fb52btn-primary {
    background: #1a73e8;
    color: #fff;
}
.z2fb52download-card:nth-child(2) .z2fb52btn-primary:hover {
    background: #1761c6;
}
/* PC按钮橙色 */
.z2fb52download-card:nth-child(3) .z2fb52btn-primary {
    background: #ff9800;
    color: #fff;
}
.z2fb52download-card:nth-child(3) .z2fb52btn-primary:hover {
    background: #e68900;
}
.z2fb52download-icon {
    font-size: 2.3rem;
    margin-bottom: 0.7rem;
}
.z2fb52download-title {
    font-size: 1.1rem;
    color: #1a73e8;
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-align: center;
}
.z2fb52download-desc {
    font-size: 0.97rem;
    color: #444;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z2fb52download-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z2fb52download-card {
        padding: 1rem 0.7rem 0.8rem 0.7rem;
    }
} 

.z2fb52section-divider {
    width: 80%;
    max-width: 700px;
    height: 0;
    border: none;
    border-top: 3px solid #b3c0d1;
    margin: 3rem auto 3rem auto;
    background: none;
    box-shadow: 0 2px 8px rgba(26,115,232,0.07);
}
@media (max-width: 700px) {
    .z2fb52section-divider {
        width: 96%;
        margin: 2rem auto 2rem auto;
    }
} 

.z2fb52about {
    background: #f5f8fd;
    padding: 2.5rem 0;
}
@media (max-width: 900px) {
    .z2fb52about {
        padding: 1.5rem 0;
    }
} 

.z2fb52news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 1.1rem;
}
.z2fb52news-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 1.2rem 1rem 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.2s, transform 0.2s;
    min-width: 0;
    position: relative;
}
.z2fb52news-card:hover {
    box-shadow: 0 6px 24px rgba(26,115,232,0.13);
    transform: translateY(-4px) scale(1.03);
}
.z2fb52news-icon {
    font-size: 1.7rem;
    margin-bottom: 0.5rem;
}
.z2fb52news-meta {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.3rem;
    flex-wrap: wrap;
}
.z2fb52news-title {
    font-size: 1.05rem;
    color: #1a73e8;
    font-weight: 600;
}
.z2fb52news-time {
    font-size: 0.88rem;
    color: #888;
    background: #f0f6ff;
    border-radius: 8px;
    padding: 0.08rem 0.6rem;
}
.z2fb52news-desc {
    font-size: 0.97rem;
    color: #444;
    margin-top: 0.2rem;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z2fb52news-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z2fb52news-card {
        padding: 1rem 0.7rem 0.8rem 0.7rem;
    }
} 

.z2fb52news-bg {
    background: #fffbe6;
    border-radius: 18px;
    padding: 2.5rem 0 2.5rem 0;
}
.z2fb52news-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.3rem 2.2rem;
    margin-top: 1.3rem;
}
.z2fb52news-item {
    display: flex;
    align-items: flex-start;
    background: none;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(255,193,7,0.08);
    padding: 1.1rem 1.1rem 1.1rem 1.1rem;
    transition: box-shadow 0.2s, transform 0.2s;
    min-width: 0;
    position: relative;
}
.z2fb52news-item:hover {
    box-shadow: 0 6px 24px rgba(255,193,7,0.13);
    transform: translateY(-3px) scale(1.02);
}
.z2fb52news-iconbig {
    font-size: 2.2rem;
    margin-right: 1.2rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}
.z2fb52news-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.z2fb52news-badge {
    display: inline-block;
    background: linear-gradient(90deg, #ff9800 60%, #ffe082 100%);
    color: #fff;
    font-size: 0.78rem;
    border-radius: 8px;
    padding: 0.08rem 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
}
.z2fb52news-title {
    font-size: 1.08rem;
    color: #1a73e8;
    font-weight: 600;
    margin-bottom: 0.1rem;
}
.z2fb52news-desc {
    font-size: 0.97rem;
    color: #444;
    line-height: 1.7;
}
@media (max-width: 900px) {
    .z2fb52news-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .z2fb52news-bg {
        padding: 1.2rem 0 1.2rem 0;
    }
    .z2fb52news-item {
        padding: 0.8rem 0.7rem 0.8rem 0.7rem;
    }
    .z2fb52news-iconbig {
        font-size: 1.7rem;
        margin-right: 0.7rem;
    }
} 

/* 移除全局 .z2fb52nav 样式，确保只在移动端生效 */
@media (max-width: 900px) {
    .z2fb52nav {
        width: 100%;
        overflow-x: auto;
        margin-top: 0.2rem;
        margin-bottom: 0.2rem;
    }
    .z2fb52nav-list {
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        gap: 0.7rem;
        padding-bottom: 0.2rem;
        margin-bottom: 0;
        justify-content: flex-start;
    }
    .z2fb52nav-link {
        font-size: 0.95rem;
        padding: 0.2rem 0.7rem;
        background: none;
        border: none;
        text-decoration: none;
        box-shadow: none;
        margin: 0;
        color: #222;
        transition: color 0.2s;
    }
    .z2fb52nav-link:hover {
        color: #1a73e8;
        background: none;
    }
} 

.z2fb52logo-link,
.z2fb52logo-link:visited,
.z2fb52logo-link:hover,
.z2fb52logo-link:active {
    text-decoration: none;
}