/* 外贸知识栏目：正文列 720px 居中，标题/正文/图片/引导块同一左右边缘 */
.kn-page .g-wrap{max-width:764px;padding:0 22px;box-sizing:border-box;overflow-wrap:anywhere}
.kn-page .g-wrap>*{max-width:100%;box-sizing:border-box}
.kn-page img{max-width:100%;height:auto}
.kn-page .g-main p{font-size:17px;line-height:1.85}
.kn-page h2{margin:40px 0 12px}
.kn-ai{font-size:15px!important;line-height:1.7!important;color:#5a6b82!important;background:#f3f6fb;border:1px solid var(--line,#dde6f2);border-radius:14px;padding:10px 16px;margin:0 0 16px!important}
.kn-fig{margin:28px 0;padding:0}
.kn-fig img{display:block;width:100%;margin:0;border-radius:14px;border:1px solid var(--line,#dde6f2);box-shadow:0 18px 40px -30px rgba(11,37,69,.35);background:#fff}
.kn-tip{background:#fff8e6;border:1px solid #ffe2a3;border-left:4px solid #ffb800;padding:14px 18px;border-radius:14px;margin:24px 0!important}
.kn-cta{margin:40px 0 12px;padding:22px;border-radius:14px;background:#eef5ff;border:1px solid #cfe0f7;text-align:center}
.kn-cta b{display:block;font-size:20px}.kn-cta p{margin:8px 0 16px!important}
.kn-cta .btn{display:inline-flex}
.kn-more,.kn-next{color:#6a7a90!important;font-size:15px!important;text-align:center}
/* 栏目列表：网格居中，卡片等高 */
.g-main .kn-list{list-style:none;padding:0;margin:28px auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,300px));justify-content:center;gap:20px}
.g-main .kn-list li{margin:0;display:flex}
.kn-list a{display:flex;flex-direction:column;width:100%;border:1px solid var(--line,#dde6f2);border-radius:14px;overflow:hidden;background:#fff;color:inherit;text-decoration:none;box-shadow:0 18px 40px -30px rgba(11,37,69,.35);transition:transform .15s}
.kn-list a:hover{transform:translateY(-2px);text-decoration:none}
.kn-list img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover}
.kn-list span{display:flex;flex-direction:column;gap:4px;padding:12px 14px 14px;flex:1}
.kn-list b{font-size:16px;line-height:1.5}.kn-list em{font-style:normal;font-size:13px;color:#6a7a90}
@media (max-width:640px){.kn-page .g-wrap{padding:0 18px}.kn-fig{margin:22px 0}.kn-cta{padding:18px 16px}.g-main .kn-list{grid-template-columns:minmax(0,1fr)}}
.kn-pn{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.kn-pn a{min-height:44px;display:inline-flex;align-items:center}