@charset "utf-8";
/* ===== 2345看图王 问答知识库 · 第三版（摘要列表 + 文章详情页） ===== */

/* ---- 列表页卡片 ---- */
.k3card { background:#fff; border:1px solid #edf0f5; border-radius:12px; padding:16px 20px 14px; margin-bottom:14px; transition:box-shadow .2s,border-color .2s; }
.k3card:hover { box-shadow:0 6px 20px rgba(53,75,120,.08); border-color:#c9c2ff; }
.k3q { display:block; font-size:16px; font-weight:bold; color:#1f2633; line-height:1.6; }
.k3q:hover { color:#7a6bff; }
.k3meta { font-size:12px; color:#a8acba; margin:6px 0 8px; }
.k3row { display:flex; gap:16px; align-items:flex-start; }
.k3txt { flex:1; min-width:0; }
.k3txt p { font-size:13.5px; color:#5d6273; line-height:1.85; margin:0 0 8px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.k3more { display:inline-block; font-size:13px; color:#7a6bff; font-weight:600; }
.k3more:hover { text-decoration:underline; }
.k3thumb { flex-shrink:0; width:180px; }
.k3thumb svg { width:180px; height:90px; border:1px solid #edf0f5; border-radius:8px; background:#fafbfd; display:block; }
@media (max-width:640px){ .k3row{flex-direction:column;} .k3thumb,.k3thumb svg{width:100%;} }

/* ---- 文章详情页 ---- */
.art { width:860px; max-width:100%; margin:0 auto; padding:26px 20px 40px; }
.art h1 { font-size:25px; line-height:1.5; color:#1f2633; margin:6px 0 10px; }
.art_meta { font-size:12.5px; color:#a8acba; border-bottom:1px solid #edf0f5; padding-bottom:14px; margin-bottom:18px; }
.art_hero { margin:0 0 20px; }
.art_hero svg { width:100%; height:200px; border:1px solid #edf0f5; border-radius:12px; background:#fafbfd; display:block; }
.art_hero figcaption, .art_fig figcaption { font-size:12px; color:#a8acba; text-align:center; margin-top:6px; }
.art_lead { margin:0 0 20px; padding:14px 18px; background:linear-gradient(100deg,#f2f0ff,#eaf6ff); border-left:3px solid #7a6bff; border-radius:8px; font-size:14px; color:#4a4f60; line-height:1.9; }
.art h2 { font-size:18px; color:#1f2633; margin:26px 0 12px; padding-left:12px; border-left:4px solid; border-image:linear-gradient(180deg,#7a6bff,#31c4ff) 1; }
.art p { font-size:14.5px; color:#3d4250; line-height:2; margin:0 0 12px; }
.art_steps { margin:0 0 8px; padding:0; counter-reset:st; }
.art_steps li { list-style:none; position:relative; padding:10px 0 10px 44px; border-bottom:1px dashed #edf0f5; counter-increment:st; }
.art_steps li:before { content:counter(st); position:absolute; left:4px; top:12px; width:26px; height:26px; border-radius:50%; background:linear-gradient(135deg,#7a6bff,#31c4ff); color:#fff; font-size:13px; font-weight:bold; display:flex; align-items:center; justify-content:center; }
.art_steps li b { display:block; font-size:14.5px; color:#2b3347; margin-bottom:3px; }
.art_steps li span { font-size:13px; color:#8a90a2; line-height:1.8; }
.art_fig { margin:18px 0 6px; }
.art_fig svg { width:100%; height:150px; border:1px solid #edf0f5; border-radius:10px; background:#fafbfd; display:block; }
.art_tips { margin:0 0 8px; padding:0; }
.art_tips li { list-style:none; position:relative; padding:6px 0 6px 20px; font-size:14px; color:#4a4f60; line-height:1.9; }
.art_tips li:before { content:""; position:absolute; left:4px; top:15px; width:7px; height:7px; border-radius:50%; background:#31c4ff; }
.art_kw { font-size:12.5px; color:#a8acba; background:#fafbfd; border:1px solid #edf0f5; border-radius:8px; padding:10px 14px; }
.art_rel { margin-top:28px; background:#fff; border:1px solid #edf0f5; border-radius:12px; padding:16px 20px; }
.art_rel b { font-size:15px; color:#1f2633; display:block; margin-bottom:8px; }
.art_rel ul { margin:0; padding:0; }
.art_rel li { list-style:none; padding:5px 0; }
.art_rel li a { font-size:13.5px; color:#5d6273; line-height:1.7; }
.art_rel li a:hover { color:#7a6bff; }
.art_back { margin-top:22px; font-size:13.5px; }
.art_back a { color:#7a6bff; margin-right:18px; }
.art_back a:hover { text-decoration:underline; }