/* --- 基础设置 --- */
body.listicle-page {
    background-color: #f9f9f9; /* 浅灰背景，像报纸一样护眼 */
    font-family: 'Merriweather', serif; /* 衬线体，增加阅读沉浸感 */
    color: #333;
}

h1, h2, h3, h4, .cta-button, .nav-content {
    font-family: 'Inter', sans-serif; /* 标题保持无衬线，现代感 */
}

.main-wrapper {
    max-width: 1100px;
    margin: 40px auto;
    display: flex;
    gap: 60px;
    padding: 0 20px;
}

/* --- 导航栏 --- */
.editorial-nav {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 15px 0;
}
.editorial-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand { font-weight: 900; font-size: 1.2rem; letter-spacing: -0.5px; }
.ad-disclosure { font-size: 0.7rem; color: #999; text-transform: uppercase; }

/* --- 正文列 (最关键的部分) --- */
.content-column {
    flex: 2; /* 占据 2/3 宽度 */
    max-width: 750px; /* 限制最大宽度，保证最佳阅读体验 */
}

/* 头部 */
.category-tag { 
    background: #e0f2fe; color: #0284c7; 
    padding: 4px 10px; border-radius: 4px; 
    font-size: 0.8rem; font-weight: 700; font-family: 'Inter';
}
.article-header h1 {
    font-size: 2.2rem;
    line-height: 1.2;
    margin: 15px 0;
    color: #111;
}
.meta-info {
    display: flex; justify-content: space-between; 
    border-bottom: 1px solid #eee; padding-bottom: 20px; margin-bottom: 20px;
    font-family: 'Inter'; font-size: 0.9rem; color: #666;
}
.author img { width: 30px; height: 30px; border-radius: 50%; vertical-align: middle; margin-right: 8px; }

/* 正文样式 */
.intro-text p, .list-item p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #444;
}

.featured-image img, .list-item img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 15px;
}

/* --- 清单项样式 --- */
.list-item { margin-bottom: 60px; }
.item-number {
    font-size: 3rem; font-weight: 900; color: #e5e7eb;
    font-family: 'Inter'; line-height: 1;
}
.list-item h2 {
    font-size: 1.8rem; margin-top: -10px; margin-bottom: 20px;
}

/* --- 产品卡片 (Offer Box) --- */
.offer-box {
    background: #fff;
    border: 2px solid #00a500; /* 绿色边框 */
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-top: 30px;
}
.badge { background: #c01818; color: white; padding: 5px 10px; font-size: 0.8rem; font-weight: bold; border-radius: 4px;}
.offer-box h4 { font-size: 1.5rem; margin: 15px 0; }
.benefit-bullets { text-align: left; margin: 20px 0; list-style: none; font-family: 'Inter'; }
.benefit-bullets li { margin-bottom: 10px; font-size: 1rem; }
.offer-price { font-size: 1.5rem; font-weight: 800; font-family: 'Inter'; margin-bottom: 20px; }
.old-price { text-decoration: line-through; color: #999; font-size: 1rem; margin-right: 10px; }
.new-price { color: #c01818; }

/* --- 侧边栏 --- */
.sidebar {
    flex: 1; /* 占据 1/3 宽度 */
    padding-top: 20px;
}
.sidebar-widget { background: #fff; padding: 20px; margin-bottom: 30px; border-radius: 8px; }
.sticky-widget { position: sticky; top: 100px; } /* 侧边栏吸顶 */

/* --- 移动端吸底 --- */
.mobile-sticky-footer {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: #fff; border-top: 1px solid #ddd;
    padding: 10px 20px;
    display: none; /* 默认隐藏，手机端显示 */
    justify-content: space-between; align-items: center;
    z-index: 1000;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
}
.sticky-btn {
    background: #00a500; color: white; text-decoration: none;
    padding: 10px 25px; border-radius: 30px; font-weight: bold;
}

/* --- 移动端适配 --- */
@media (max-width: 900px) {
    .main-wrapper { flex-direction: column; gap: 0; }
    .sidebar { display: none; } /* 手机上隐藏侧边栏 */
    .mobile-sticky-footer { display: flex; }
    .article-header h1 { font-size: 1.8rem; }
}