/* 网页只是 IV 内容源；关键视觉已保存在图片中。 */
:root { color-scheme: light; font-family: "Microsoft YaHei", "PingFang SC", sans-serif; }
* { box-sizing: border-box; }
html, body { margin: 0; min-width: 0; }
body { background: #f3f4f4; color: #151515; }
main { width: 100%; max-width: 640px; margin: 24px auto; background: #fff; }
article { width: 100%; padding-bottom: 24px; }
h1 { margin: 0; padding: 22px 20px 18px; font-size: 26px; line-height: 1.3; font-weight: 600; overflow-wrap: anywhere; }
figure { margin: 0; }
img { display: block; width: 100%; height: auto; }
.image-link { display: block; margin: 12px 0 0; text-decoration: none; }
.image-link:focus-visible { outline: 3px solid #bc922f; outline-offset: 3px; }
@media (max-width: 680px) { main { margin: 0 auto; } }