/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans SC', 'Poppins', sans-serif;
}

/* 如需更换背景图片，请修改下面的 background-url */
body {
    background: url('abc/abcd.jpg') center/cover no-repeat fixed;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: -1;
}

.container {
    max-width: 1200px;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(231, 0, 100, 0.08);
    overflow: hidden;
    padding: 40px;
    margin: 20px;
}

/* 头部 */
header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 3rem;
    color: #ff3366;
}

.logo h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(to right, #ff3366, #ff6b6b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    font-size: 1.2rem;
    color: #666;
    font-weight: 400;
}

/* 主要区域 */
.hero {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(to right, #fff5f9, #f9f5ff);
    border-radius: 20px;
    margin-bottom: 40px;
}

.app-icon i {
    font-size: 5rem;
    color: #ff3366;
    margin-bottom: 20px;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #222;
}

.description {
    font-size: 1.1rem;
    color: #555;
    max-width: 700px;
    margin: 0 auto 25px;
    line-height: 1.8;
}

.download-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: #444;
}

.stat i {
    color: #ff3366;
    font-size: 1.5rem;
}

/* 下载按钮区域 */
.download-section {
    margin-bottom: 50px;
}

.download-section h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: #222;
    text-align: center;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 20px 30px;
    border-radius: 16px;
    text-decoration: none;
    color: white;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}



.download-btn.android {
    background: linear-gradient(to right, #ff3366, #ff6b6b);
    font-size: 1.1rem;
    padding: 25px 40px;
}



.download-btn i {
    font-size: 3rem;
    margin-right: 20px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.platform {
    font-size: 1.5rem;
    font-weight: 600;
}

.version {
    font-size: 0.95rem;
    opacity: 0.9;
}

.hint {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 0.95rem;
}

.hint i {
    color: #ff3366;
    margin-right: 5px;
}

/* 特色区域 */
.features {
    margin-bottom: 50px;
}

.features h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
    color: #222;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 16px;
    text-align: center;
    transition: background 0.3s;
}

.feature:hover {
    background: #f0f0f0;
}

.feature i {
    font-size: 2.5rem;
    color: #ff3366;
    margin-bottom: 15px;
}

.feature h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #222;
}

.feature p {
    color: #555;
    font-size: 0.95rem;
}

/* 截图 */
.screenshots {
    margin-bottom: 50px;
}

.screenshots h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
    color: #222;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.screenshot {
    background: #eaeaea;
    border-radius: 12px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1.2rem;
}

.placeholder {
    padding: 20px;
}

/* 常见问题 */
.faq {
    margin-bottom: 50px;
}

.faq h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
    color: #222;
}

.faq-item {
    border: 1px solid #eee;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 18px 25px;
    background: #f9f9f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    font-size: 1.1rem;
}

.faq-question:hover {
    background: #f0f0f0;
}

.faq-answer {
    padding: 0 25px;
    display: none;
    background: white;
    line-height: 1.7;
    color: #555;
    padding-top: 15px;
    padding-bottom: 20px;
}

.faq-answer p {
    margin: 0;
}

/* 页脚 */
footer {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
    color: #666;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: #ff3366;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    margin: 0 10px;
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 25px;
    }
    .logo h1 {
        font-size: 2.2rem;
    }
    .hero h2 {
        font-size: 1.8rem;
    }
    .download-stats {
        gap: 20px;
    }
    .download-btn {
        padding: 18px 25px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    .download-btn i {
        font-size: 2rem;
        margin-right: 15px;
    }
    .platform {
        font-size: 1.3rem;
    }
}