@import url("common.css");

body {
    background: #f8f9fa;
    line-height: 1.6;
}

/* 顶部Banner */
.app-header {
    background: url('../images/app_bg.png') no-repeat;
    background-size: cover;
    color: white;
    padding: 4rem 1rem;
    text-align: center;
    border-bottom: 5px solid #464d5c;
}

.app-header h1 {
    color: #464d5c;
}

.app-header p {
    color: #5a5b5c;
}

.app-icon {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 20px;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 功能特点区 */
.features {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 12px;
}

/* 截图展示区 */
.screenshots {
    background: #fff;
    padding: 4rem 1rem;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshot-item {
    background: #f3f4f6;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    border: #d6d6d6 1px solid;
}

/* 下载区 */
.download-section {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.qrcode-box {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.qrcode {
    width: 200px;
    height: 200px;
    background: #f3f4f6;
    margin: 0 auto 1rem;
}

.version {
    color: #6b7280;
    font-size: 0.9em;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    transition: transform 0.2s;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-android {
    background: #464d5c;
}

.btn-ios {
    background: #464d5c;
}

.badges {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.store-badge {
    width: 150px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: #e5e7eb;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr));
    }

    .app-header {
        padding: 2rem 1rem;
    }
}

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

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