/* 下载页头 */
.download-header {
    margin-top: 80px;
    padding: 100px 0 80px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-align: center;
}

.download-header h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 22px;
    opacity: 0.9;
    margin-bottom: 50px;
}

.version-info {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.info-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px 40px;
}

.info-label {
    display: block;
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.info-value {
    display: block;
    font-size: 26px;
    font-weight: 600;
}

/* Logo 样式 */
.logo-icon-w {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    font-size: 26px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
}

.footer-logo-text {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

.logo-text-w {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    font-size: 26px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.logo-text-wps {
    font-size: 24px;
    font-weight: 600;
}

/* 下载平台 */
.download-platforms {
    padding: 100px 0;
}

.platform-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 70px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 50px 35px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.platform-card:hover {
    transform: translateY(-12px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.platform-card.featured {
    border: 2px solid rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.platform-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #FF8A00 0%, #FF6B00 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 138, 0, 0.4);
}

.platform-icon {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.platform-card h3 {
    font-size: 30px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 25px;
}

.platform-details {
    margin-bottom: 25px;
}

.platform-details p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    margin: 8px 0;
}

.platform-version {
    font-weight: 600;
}

.platform-features {
    list-style: none;
    margin-bottom: 35px;
    padding: 0;
}

.platform-features li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.platform-features li:last-child {
    border-bottom: none;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-download.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-download.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

.btn-download.secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-download.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-download.store {
    background: linear-gradient(135deg, #FF8A00 0%, #FF6B00 100%);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(255, 138, 0, 0.4);
}

.btn-download.store:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 138, 0, 0.5);
}

/* 系统要求 */
.system-requirements {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-top: 70px;
}

.req-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.3s;
}

.req-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.req-card h4 {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 25px;
}

.req-card ul {
    list-style: none;
    padding: 0;
}

.req-card li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
}

.req-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #667eea;
    font-size: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .download-header h1 {
        font-size: 38px;
    }

    .version-info {
        flex-direction: column;
        gap: 20px;
    }

    .info-item {
        padding: 20px 30px;
    }

    .platform-cards {
        grid-template-columns: 1fr;
    }

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