:root{--ink:#16161a;--ink2:#3a3a42;--muted:#6b6b75;--line:#e7e5e0;--bg:#faf9f6;--card:#fff;--acc:#ff5a36;--acc2:#fff1ec}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif}
a{color:inherit}img{max-width:100%;height:auto;display:block}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
.top{background:var(--ink);color:#fff;position:sticky;top:0;z-index:5}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{text-decoration:none;font-weight:700;display:flex;align-items:center;gap:8px;font-size:17px}
.brand small{font-weight:400;color:#b9b9c2;font-size:12px;margin-left:2px}
.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--acc);color:#fff;font-size:16px}
.top nav a{text-decoration:none;margin-left:18px;font-size:15px;color:#e8e8ee}.top nav a:hover{color:var(--acc)}
@media(max-width:420px){.brand small{display:none}.top nav a{margin-left:14px}}
.crumbs ol{list-style:none;padding:0;margin:16px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap}
.crumbs li:not(:last-child)::after{content:"›";margin:0 6px}.crumbs a{text-decoration:none}
.crumbs li[aria-current]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}
.intro{padding:34px 0 10px}.intro h1{font-size:28px;line-height:1.35;margin:0 0 10px}
.intro p{color:var(--ink2);margin:0 0 14px}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:9px 18px;border-radius:999px;margin-right:10px;font-size:15px}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.sh{font-size:20px;margin:30px 0 12px;display:flex;justify-content:space-between;align-items:baseline;border-left:4px solid var(--acc);padding-left:10px}
.sh a{font-size:14px;font-weight:400;color:var(--muted);text-decoration:none}
.cards{list-style:none;padding:0;margin:0;display:grid;gap:12px}
@media(min-width:700px){.cards{grid-template-columns:1fr 1fr}}
.card a{display:block;height:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;transition:border-color .15s}
.card a:hover{border-color:var(--ink)}
.card h3{font-size:17px;line-height:1.5;margin:8px 0 6px}.card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card time{font-size:12px;color:var(--muted)}
.tag{font-size:12px;padding:2px 8px;border-radius:4px;background:var(--ink);color:#fff}.tag.t-tutorials{background:#7c4dff}
.lhead{padding:24px 0 8px}.lhead h1{margin:0 0 6px;font-size:26px}.lhead p{color:var(--ink2);margin:0 0 16px}
.post header h1{font-size:26px;line-height:1.4;margin:6px 0 8px}
.kicker{margin:22px 0 0;font-size:14px}.kicker a{color:var(--acc);text-decoration:none;font-weight:600}
.meta{color:var(--muted);font-size:13px;margin:0 0 14px}
.prose h2{font-size:21px;line-height:1.45;margin:34px 0 10px;padding-left:10px;border-left:4px solid var(--acc)}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose p{margin:0 0 16px}.prose strong{background:linear-gradient(transparent 62%,var(--acc2) 0)}
.prose a{color:#c2410c;word-break:break-all}.prose figure{margin:20px 0}.prose figure img{border-radius:8px;border:1px solid var(--line)}
.prose blockquote{margin:16px 0;padding:8px 14px;border-left:3px solid var(--line);color:var(--ink2);background:#f3f2ee}
.prose hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.prose ol,.prose ul{padding-left:1.4em}.prose li{margin:4px 0}
.prose .lead{font-size:18px;color:var(--ink2);font-weight:600}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 18px 10px;margin:18px 0}
.toc h2{border:0;padding:0;margin:12px 0 4px;font-size:17px}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px 8px;margin:16px 0}
.step h2{border:0;padding:0;margin:14px 0 2px;font-size:19px}.step .sub{color:var(--muted);font-size:14px;margin:0 0 8px}
.step dt{font-weight:700;color:#7c4dff;font-size:14px;margin-top:8px}.step dd{margin:2px 0 6px}
.notes{background:#fff8e6;border-radius:12px;padding:4px 18px 8px;margin:20px 0}.notes h2{border:0;padding:0}
.hero{margin:12px 0 0}.hero img{border-radius:12px;max-height:520px;width:auto;margin:0 auto}
.follow.small{font-size:14px;background:var(--acc2);border-radius:8px;padding:8px 12px;margin:0 0 18px;color:var(--ink2)}
.follow.small a{color:#c2410c;font-weight:600}
.follow.big{display:flex;gap:18px;align-items:center;background:var(--ink);color:#fff;border-radius:14px;padding:20px;margin:30px 0}
.follow.big p{margin:2px 0;font-size:15px}.follow .ft{font-size:18px!important;font-weight:700}.follow .muted{color:#b9b9c2;font-size:13px!important}
.qr{width:128px;height:128px;flex:none;border-radius:8px;background:#fff}
.qr-ph{display:grid;place-items:center;text-align:center;color:var(--ink);font-size:13px;line-height:1.5;border:2px dashed var(--acc)}
@media(max-width:480px){.follow.big{flex-direction:column;text-align:center}}
.related{margin:10px 0 30px}.related h2{font-size:19px}
.foot{border-top:1px solid var(--line);margin-top:40px;padding:20px 0 34px;font-size:13px;color:var(--muted)}
.foot p{margin:4px 0}.foot a{color:var(--muted)}
.tldr{background:#f6f5ff;border-left:4px solid var(--acc);border-radius:6px;padding:12px 14px;margin:14px 0;font-size:15px}.tldr p{margin:0 0 6px}.tldr ol{margin:0;padding-left:20px}.tl-h{font-weight:600;color:var(--ink2)}
.faq{margin:28px 0}.faq details{border:1px solid #e6e6ee;border-radius:8px;padding:10px 14px;margin:8px 0}.faq summary{cursor:pointer}.faq summary h3{display:inline;font-size:16px;margin:0}.faq p{margin:8px 0 0}
.pn{display:flex;justify-content:space-between;gap:12px;margin:20px 0;font-size:14px}.pn a{color:var(--acc);text-decoration:none;max-width:48%}
.tg{font-size:13px;color:var(--acc);text-decoration:none;margin-right:6px}.tops{margin-top:12px}
.tlist{list-style:none;padding:0}.tlist li{border-bottom:1px solid #eee;padding:14px 0}.tlist h2{font-size:18px;margin:0 0 4px}.tlist h2 a{color:inherit;text-decoration:none}
picture img{max-width:100%;height:auto}