/* ===== product.css - 英忆科技 官网样式 ===== */

body {
    background-color: var(--white);
    color: #333;
}

table { width: 100%; border-collapse: collapse; margin: 20px 0; }
th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}
th { background: #f0f4f8; }

.prod-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.prod-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 600;
    color: #111;
}
.prod-logo img { height: 40px; }

.nav-main {
    display: flex;
    gap: 28px;
    font-size: 0.95rem;
}
.nav-main a { color: var(--primary); }
.nav-main a:hover { color: var(--primary-light); }

.nav-right {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
}
.nav-right a { color: var(--primary); }
.nav-right a:hover { color: var(--primary-light); }

.main {
    margin-top: 70px;
    min-height: calc(100vh - 220px);
}

.text-block { background: #fff; padding: 30px; border-radius: 8px; line-height: 1.8; }
.text-block h3 { margin: 20px 0 10px; }
.text-block p { margin: 10px 0; }

.section { padding: 50px 0; }
.section-title {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
}
.section-desc {
    max-width: 820px;
    margin: 0 auto 30px;
    text-align: center;
    color: var(--text-mid);
    font-size: 1.05rem;
    line-height: 1.7;
}

.card-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-light);
}
.card:hover { box-shadow: var(--shadow-md); }
.card h3 {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 1.1rem;
}
.card p { color: var(--text-mid); font-size: 0.95rem; line-height: 1.7; }
.card ul { padding-left: 20px; }
.card li {
    color: var(--text-mid);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 6px;
    list-style: disc;
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    background: var(--primary);
    color: var(--white) !important;
    margin: 0 8px;
}
.btn:hover {
    background: var(--primary-light);
    text-decoration: none;
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary) !important;
}
.btn-outline:hover { background: rgba(30, 77, 143, 0.06); }

.qr-section { text-align: center; margin-top: 40px; }
.qr-section img { width: 200px; margin: 0 auto; }
.qr-section p { margin-top: 10px; color: #666; }

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
}
.hamburger:hover { color: var(--primary); }

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 12px 30px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
.mobile-menu a {
    padding: 6px;
    color: var(--primary);
}
.mobile-menu a:hover { color: var(--primary-light); }

@media (max-width: 822px) {
    .nav-main, .nav-right { display: none; }
    .hamburger { display: block; }
    .mobile-menu.open { display: flex; }
}