html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 70px auto 0;
}

section {
    padding: 30px 0;
    border-bottom: 1px solid #ddd;
}

section h2 {
    margin-bottom: 20px;
    font-size: 24px;
}

/* 右侧锚点导航 */
.anchor-nav {
    position: fixed;
    top: 100px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.9);
    padding: 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}



.anchor-nav a {
    text-align: center;
    text-decoration: none;
    color: #333;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background 0.2s;
}

.anchor-nav a:hover {
    background: #f0f0f0;
}

@media (max-width: 768px) {
    .anchor-nav {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 20px;
        box-shadow: none;
        border: none;
    }
}

/* 中间内容样式 */
.f2l-list {
    display: flex;
    flex-wrap: wrap;
    margin-top: 60px;
    gap: 20px 0;
}

.f2l-list li {
    width: 33%;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.f2l-list li img {
    height: 120px;
}

.f2l-list li .alink {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 0;
}

.f2l-list li .alink-div {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.f2l-list li a {
    cursor: pointer;
    color: #77adff;
}

#section1 ul li,
#section3 ul li,
#section6 ul li,
#section10 ul li {
    width: 24%;
}

.f2l-note {
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    margin: 20px 0;
}

.f2l-note p {
    width: 40%;
}

.instructions ol li {
    list-style: decimal;
    line-height: 2;
}