.download-page * {
    box-sizing: border-box;
}

.download-page body {
    margin: 0;
    padding: 0;
}

.download-page a {
    text-decoration: none;
}

.download-page--legacy {
    -webkit-text-size-adjust: 100%;
}

.download-page--legacy body {
    position: relative;
    width: 100%;
    min-height: 100vh;
    color: #333333;
    background: #ffffff;
    font-family: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.42857143;
}

.download-page--legacy a,
.download-page--legacy a:hover,
.download-page--legacy a:focus {
    color: #5ccdde;
    font-weight: 500;
}

.download-page--legacy .help-info {
    padding: 15px;
    text-align: center;
}

.download-page--legacy .help-info-title {
    border-bottom: 1px solid #efefef;
    font-size: 16px;
    font-weight: 700;
    line-height: 40px;
}

.download-page--legacy .help-info-q {
    font-size: 15px;
    font-weight: 700;
    line-height: 30px;
}

.download-page--legacy .help-info-a {
    padding: 8px 0;
    font-size: 14px;
    line-height: 23px;
}

.download-page--legacy .download-logo {
    display: inline-block;
    width: 48px;
    height: 48px;
    vertical-align: middle;
}

.download-page--legacy .btn-win-download {
    display: block;
    width: 300px;
    max-width: 100%;
    margin: 20px auto;
    padding: 0;
    border-radius: 15px;
    color: #ffffff;
    background: linear-gradient(#66ca91, #49a972);
    box-shadow: 0 0 4px #555555;
    font-size: 20px;
    line-height: 50px;
    text-align: center;
}

.download-page--legacy .btn-win-download:hover,
.download-page--legacy .btn-win-download:focus {
    color: #ffffff;
}

.download-page--legacy .btn-win-download-icon-pc {
    position: relative;
    top: 3px;
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background: url("windows.png") no-repeat;
    background-size: 20px 20px;
}

.download-page--legacy .help-doc-link,
.download-page--legacy .help-doc-link:hover,
.download-page--legacy .help-doc-link:focus {
    display: inline-block;
    padding: 2px 5px;
    border: 1px solid #0285ff;
    border-radius: 3px;
    color: #000000;
    background: #f8f8f8;
    font-size: 15px;
    letter-spacing: 1px;
}

.download-page--legacy .copyright {
    position: absolute;
    left: 0;
    bottom: 20px;
    width: 100%;
    color: #6a6a6a;
    font-size: 12px;
    text-align: center;
}

.download-page--legacy .copyright a {
    color: #6a6a6a;
    font-size: 12px;
}

.download-page--android {
    --color-text: #333333;
    --color-text-light: #666666;
    --color-muted: #999999;
    --color-bg: #f5f7fa;
    --color-card-bg: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

.download-page--android body {
    min-height: 100vh;
    color: var(--color-text);
    background-color: var(--color-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

.download-page--android img {
    display: block;
    max-width: 100%;
}

.download-page--android header {
    padding: 3rem 1rem 2rem;
    text-align: center;
}

.download-page--android .download-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
}

.download-page--android header h1 {
    margin: 0 0 0.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.download-page--android main {
    max-width: 680px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
}

.download-page--android .download-card {
    margin-bottom: 1.5rem;
    padding: 1.5rem 1rem;
    border-radius: var(--radius);
    background-color: var(--color-card-bg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.download-page--android .download-card p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.download-page--android .download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: #ffffff;
    background: linear-gradient(135deg, #34c759, #28a745);
    font-size: 1rem;
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.download-page--android .download-btn:hover {
    opacity: 0.9;
}

.download-page--android .download-btn img {
    width: 20px;
    height: 20px;
}

.download-page--android .version-info {
    margin-top: 0.25rem;
    color: var(--color-muted);
    font-size: 0.85rem;
}

.download-page--android .update-info {
    margin-top: 1rem;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .download-page--android header h1 {
        font-size: 2.2rem;
    }

    .download-page--android .download-card p {
        font-size: 1.05rem;
    }

    .download-page--android .download-btn {
        font-size: 1.1rem;
    }
}