* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f5f5;
    min-height: 100vh;
}

.banner {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    background: linear-gradient(135deg, #1890ff 0%, #0050b3 100%);
    padding: 24px 16px;
    text-align: center;
}

.banner-content h1 {
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.banner-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px;
    max-width: 480px;
    margin: 0 auto;
}

.grid-item {
    background-color: white;
    border-radius: 12px;
    padding: 16px 8px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.grid-item:active {
    transform: scale(0.95);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.tag {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.tag-highlight {
    background-color: #52c41a;
    color: #fff;
}

.tag-notice {
    background-color: #fff7e6;
    color: #ad6800;
}

.logo-wrapper {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.logo-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.name {
    font-size: 14px;
    color: #333;
    text-align: center;
}

.footer {
    text-align: center;
    padding: 16px;
    color: #999;
    font-size: 12px;
}

.wechat-tip {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    display: none;
}

.wechat-browser .wechat-tip {
    display: block;
}

.wechat-tip-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    max-width: 300px;
    width: 80%;
}

.wechat-tip-content p {
    font-size: 16px;
    color: #333;
    line-height: 1.8;
    margin-bottom: 8px;
}

.wechat-tip-content p:last-child {
    margin-bottom: 0;
    font-size: 14px;
    color: #666;
}

.wechat-tip-content strong {
    color: #1890ff;
}