.page-wrap {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --text-color: #333333;

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
    position: relative;
    scroll-behavior: smooth;
    /* 新增：消除潜在上下边距 */
    margin: 0;
    padding: 0;
}

/* 新增！强制清除body默认外边距，必加 */
body {
    margin: 0;
    padding: 0;
}

.page-wrap .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.page-wrap .hero-text {
    flex: 1;
    text-align: left;
}

.page-wrap .hero-image {
    flex: 1;
    max-width: 600px;
}

.page-wrap .hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.page-wrap .tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.page-wrap .command {
    background: rgba(0, 0, 0, 0.8);
    padding: 1rem 2rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
}

.page-wrap code {
    color: white;
    font-family: 'Courier New', Courier, monospace;
}

.page-wrap .copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.page-wrap .copy-btn:hover {
    background: var(--secondary-color);
}

.page-wrap .install-count {
    font-size: 1rem;
    font-weight: normal;
    color: #333;
    margin-top: 20px;
}

.page-wrap .install-count #install-number {
    font-size: 3rem;
    font-weight: bold;
    color: #007AFF;
}

.page-wrap section {
    padding: 5rem 2rem;
    text-align: center;
}

/* ✅重点解决方案：如果第一个区块是hero区域，给第一个section单独取消顶部padding */
.page-wrap section:first-of-type {
    padding-top: 0;
}

.page-wrap h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.page-wrap .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.page-wrap .feature {
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    will-change: transform;
    animation: fadeIn 0.6s ease-out forwards;
}

.page-wrap .feature:hover {
    transform: translateY(-10px);
}

.page-wrap .feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-wrap img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .page-wrap .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 0 1rem;
    }

    .page-wrap .hero-text {
        text-align: center;
        width: 100%;
    }

    .page-wrap .hero-image {
        width: 100%;
        max-width: 100%;
    }

    .page-wrap .tagline {
        font-size: 1.2rem;
    }

    .page-wrap .command {
        width: 100%;
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
    }

    .page-wrap section {
        padding: 3rem 1rem;
    }
    /* 移动端同样让第一个section顶部无内边距 */
    .page-wrap section:first-of-type {
        padding-top: 0;
    }

    .page-wrap .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0;
    }

    .page-wrap .feature {
        will-change: auto;
    }
}

@media (max-width: 480px) {
    .page-wrap .command code {
        font-size: 0.8rem;
        word-break: break-all;
    }

    .page-wrap .copy-btn {
        width: 100%;
        margin-top: 0.5rem;
    }
}