:root{--p1:#6a45e8;--p1h:#5a37cc;--p2:#8b6cf5;--pink:#ff8fb1;--okc:#1d9e6f;--ink:#2d2a3e;--muted:#6f6a85;--line:#e9e5f8;--bg:#faf9ff;--card:#fff}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Segoe UI",-apple-system,"PingFang SC",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15.5px}
a{color:var(--p1);text-decoration:none}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}
.logo{font-weight:800;font-size:17px;color:var(--p1);white-space:nowrap}
nav.main{display:flex;gap:4px;overflow-x:auto}
nav.main a{color:#5d5878;font-size:13.5px;padding:6px 11px;border-radius:999px;white-space:nowrap}
nav.main a:hover,nav.main a.on{background:#f1ecff;color:var(--p1)}
.hero{background:linear-gradient(135deg,#f3efff,#ffeef5);padding:44px 0 36px;text-align:center}
.hero h1{font-size:clamp(24px,4.5vw,34px);margin-bottom:8px}
.hero p{color:var(--muted);max-width:620px;margin:0 auto 20px}
.search{max-width:520px;margin:0 auto 18px;background:#fff;border:2px solid var(--p2);border-radius:999px;padding:6px 8px 6px 20px;display:flex;align-items:center;gap:8px;box-shadow:0 6px 20px rgba(106,69,232,.12)}
.search input{flex:1;border:none;outline:none;font-size:15px;background:transparent;color:var(--ink)}
.search button{background:var(--p1);color:#fff;border:none;border-radius:999px;padding:8px 20px;font-size:14px;cursor:pointer}
.quick{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.quick a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 14px;font-size:13px;color:#5d5878}
section.block{padding:34px 0 6px}
h2.sec{font-size:21px;margin-bottom:2px}
p.cnt{color:var(--muted);font-size:13px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:720px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){
  .grid{grid-template-columns:1fr 1fr}
  .combo{flex-direction:column;align-items:flex-start;gap:6px;padding:12px}
  .combo .em{font-size:20px}
  .combo .nm{white-space:normal;font-size:13px}
  .copy{width:100%;min-height:38px;font-size:13px}
  .filterbar{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .filterbar a{white-space:nowrap;flex:none}
}
.combo{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:10px 12px;display:flex;align-items:center;gap:10px}
.combo:hover{border-color:var(--p2)}
.combo .em{font-size:17px;white-space:nowrap}
.combo .nm{flex:1;min-width:0;font-size:13px;color:#5d5878;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy{background:var(--p1);color:#fff;border:none;font-size:12px;border-radius:8px;padding:5px 12px;cursor:pointer;flex:none;transition:background .15s;min-height:30px}
.copy:hover{background:var(--p1h)}
.copy.done{background:var(--okc)}
.copy:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--p1);outline-offset:2px}
@media(prefers-reduced-motion:no-preference){
  .combo{transition:transform .15s ease,border-color .15s ease}
  .combo:hover{transform:translateY(-1px);box-shadow:0 3px 10px rgba(106,69,232,.10)}
}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media(max-width:720px){.cats{grid-template-columns:1fr 1fr}}
.cat{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 10px;text-align:center;font-size:13.5px;color:var(--ink);display:block}
.cat:hover{border-color:var(--p2);background:#fbf9ff}
.cat b{display:block;font-size:22px;margin-bottom:4px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:720px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px;font-size:13.5px;text-align:center}
.step .n{background:var(--p1);color:#fff;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;margin-bottom:6px}
article.prose{max-width:760px}
article.prose p{margin:12px 0;color:#4a4560}
.crumb{font-size:12.5px;color:#a29dba;padding:16px 0 0}
.crumb a{color:#a29dba}
h1.page{font-size:clamp(22px,4vw,30px);margin:6px 0 4px}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 4px}
.meta span{background:#f2eeff;color:#5b3fc4;border-radius:999px;font-size:11.5px;padding:2px 11px}
.filterbar{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.filterbar a,.filterbar button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:3px 13px;font-size:12.5px;color:#5d5878;cursor:pointer;font-family:inherit}
.filterbar .on{background:var(--p1);color:#fff;border-color:var(--p1)}
.rel{background:#fbfaff;border:1px solid var(--line);border-radius:13px;padding:14px 18px;margin:26px 0}
.rel a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 13px;font-size:12.5px;color:#5d5878;margin:3px 4px 3px 0}
.rel a:hover{border-color:var(--p2);color:var(--p1)}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:#2d2a3e;color:#fff;padding:9px 22px;border-radius:999px;font-size:13.5px;opacity:0;pointer-events:none;transition:all .25s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
footer.site{background:#fff;border-top:1px solid var(--line);margin-top:44px;color:#5d5878;font-size:13.5px}
footer.site .fcols{display:flex;gap:40px;flex-wrap:wrap;max-width:1080px;margin:0 auto;padding:36px 20px 28px}
footer.site .fbrand{flex:1;min-width:230px;max-width:330px}
footer.site .fbrand .bl{display:flex;align-items:center;gap:9px;font-size:16.5px;font-weight:800;color:var(--ink);text-decoration:none;margin-bottom:10px}
footer.site .fbrand .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--p1),var(--pink));display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex:none}
footer.site .fbrand p{margin:0;line-height:1.65;font-size:13px;color:#8a86a0}
footer.site .fcol{min-width:150px}
footer.site .fcol .fh{font-size:13px;color:var(--ink);font-weight:700;margin:0 0 10px}
footer.site .fcol a{display:block;color:#5d5878;text-decoration:none;padding:3.5px 0}
footer.site .fcol a:hover{color:var(--p1)}
footer.site .fbottom{border-top:1px solid var(--line);padding:15px 20px;text-align:center;color:#8a86a0;font-size:12.5px}
footer.site .fbottom a{color:#6a6684}
footer.site .fbottom a:hover{color:var(--p1)}
@media(max-width:720px){footer.site .fcols{flex-direction:column;gap:24px;padding:28px 20px 22px}}
#scroll-to-top{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;cursor:pointer;display:none;z-index:98;box-shadow:0 2px 10px rgba(45,42,62,.12);transition:transform .15s,background .15s}
#scroll-to-top:hover{background:var(--p1);color:#fff;transform:translateY(-2px)}
.contact-form{max-width:460px;margin:18px 0;display:grid;gap:10px}
.contact-form label{font-size:13px;font-weight:700;color:var(--ink)}
.contact-form input,.contact-form textarea{border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;background:#fff}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--p1);outline-offset:1px;border-color:var(--p1)}
.contact-form button{background:var(--p1);color:#fff;border:none;border-radius:10px;padding:11px 22px;font:inherit;font-weight:700;cursor:pointer;justify-self:start;transition:background .15s}
.contact-form button:hover{background:var(--p1h)}
.hidden{display:none!important}