/* 下载Hero区 */
.download-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #45a049 100%);
    text-align: center;
    color: white;
}

.download-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-hero > p {
    font-size: 18px;
    opacity: 0.9;
}

/* 下载主区域 */
.download-section {
    padding: 80px 0;
    background: var(--secondary-bg);
}

.download-main {
    background: var(--primary-bg);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 60px;
    border: 1px solid var(--border-color);
}

.download-panel {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
}

.panel-qr {
    display: flex;
    justify-content: center;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: var(--secondary-bg);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--accent-color);
}

.qr-code span {
    font-size: 14px;
    margin-top: 10px;
    color: var(--text-gray);
}

.panel-info h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.version,
.update-time,
.size,
.requirements {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.download-features {
    margin: 25px 0;
}

.download-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.download-features i {
    color: var(--accent-color);
}

.download-btn-primary {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--accent-color);
    color: white;
    padding: 20px 40px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 700;
    border: none;
}

.download-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.4);
}

.download-btn-primary i {
    font-size: 24px;
}

/* 其他下载方式 */
.download-other {
    margin-bottom: 60px;
}

.download-other h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
}

.other-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.method-card {
    background: var(--primary-bg);
    padding: 30px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-white);
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    text-align: center;
    display: block;
}

.method-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
}

.method-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.method-card p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 安全提示 */
.security-alert {
    background: linear-gradient(135deg, rgba(255, 171, 0, 0.2) 0%, rgba(255, 152, 0, 0.2) 100%);
    border: 1px solid rgba(255, 171, 0, 0.3);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.alert-icon {
    width: 50px;
    height: 50px;
    background: #ff9800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
}

.alert-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.alert-content ul {
    list-style: none;
}

.alert-content ul li {
    padding: 8px 0;
    font-size: 14px;
    position: relative;
    padding-left: 25px;
}

.alert-content ul li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

/* 系统要求 */
.requirements {
    padding: 80px 0;
    background: var(--primary-bg);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.req-card {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.req-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.req-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
}

.req-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.req-card ul {
    list-style: none;
}

.req-card ul li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 14px;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
}

.req-card ul li:last-child {
    border-bottom: none;
}

.req-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

/* 下载FAQ */
.download-faq {
    padding: 80px 0;
    background: var(--secondary-bg);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .download-panel {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .panel-qr {
        margin-bottom: 30px;
    }

    .security-alert {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .download-hero h1 {
        font-size: 36px;
    }

    .download-main {
        padding: 30px 20px;
    }

    .other-methods {
        grid-template-columns: 1fr;
    }

    .security-alert {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .download-hero {
        padding: 120px 0 60px;
    }

    .download-hero h1 {
        font-size: 28px;
    }

    .download-btn-primary {
        width: 100%;
        justify-content: center;
    }
}