/* seo-h1.css —— 内容级 H1（结构改动，视觉与原 h2 保持一致） */
.guide h1 { text-align: center; line-height: 6.4rem; font-size: 1.8rem; color: #333333; font-weight: bold;
    font-family: verdana, "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif; }
.p5-page-h1 { font-size: 1.5rem; font-weight: 700; color: #333333; line-height: 1.5; margin-bottom: .75rem;
    font-family: verdana, "Microsoft YaHei", "PingFang SC", sans-serif; }
.nc-art-h1 { font-size: 1.5rem; font-weight: 700; color: #333333; line-height: 1.5; margin-bottom: .75rem;
    font-family: verdana, "Microsoft YaHei", "PingFang SC", sans-serif; }