:root{--bg:#f6f7fb;--card:#fff;--text:#1d2433;--muted:#667085;--line:#e6e8ef;--brand:#5b5bf0;--brand2:#0ea5a4;--warn:#b45309;--warnbg:#fff7ed;
--apps:#6d28d9;--side:#c2410c;--oss:#047857;--tut:#1d4ed8;--r:14px;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0f1220;--card:#171b2e;--text:#e6e8f2;--muted:#9aa3b8;--line:#262b44;--warnbg:#2a1d0e;--warn:#fbbf24}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.bar{display:flex;align-items:center;gap:16px;height:58px}
.logo{font-weight:800;font-size:18px;white-space:nowrap}
.qs{margin-left:auto;flex:0 1 320px}
.qs input,.filters input,.filters select{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text);font:inherit}
.nav{display:flex;gap:4px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}
.nav a{padding:6px 12px;border-radius:999px;color:var(--muted);white-space:nowrap;font-size:14px}
.nav a.on,.nav a:hover{background:var(--card);color:var(--text);box-shadow:0 0 0 1px var(--line)}
.hero{padding:42px 0 18px}.hero h1{font-size:34px;margin:0 0 6px;background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent;width:fit-content}
.hero p{color:var(--muted);margin:0;font-size:16px;max-width:720px}.hero.small{padding:30px 0 10px}.hero.small h1{font-size:26px}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.stats span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px 14px;font-size:13px;color:var(--muted)}.stats b{color:var(--text)}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 8px}
.catbox{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:2px;border-top:3px solid var(--c)}
.catbox b{font-size:16px}.catbox span{font-size:13px;color:var(--c);font-weight:600}.catbox small{color:var(--muted);font-size:12px}
.cat-apps{--c:var(--apps)}.cat-side-hustle{--c:var(--side)}.cat-open-source{--c:var(--oss)}.cat-tutorials{--c:var(--tut)}
.sec-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin:28px 0 12px}.sec-head h2{margin:0;font-size:20px}
.more{color:var(--brand);font-size:14px}
.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:var(--card);color:var(--muted);padding:4px 12px;border-radius:999px;cursor:pointer;font:inherit;font-size:13px}.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.card:hover{box-shadow:0 8px 24px rgba(20,24,60,.08)}
@media (prefers-reduced-motion:no-preference){.card{transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-2px)}}
.card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px}
.badge{color:#fff;background:var(--c);padding:2px 9px;border-radius:6px;font-weight:600}.badge:hover{color:#fff;opacity:.9}
.src{color:var(--muted)}.arch{color:var(--muted);border:1px dashed var(--line);padding:0 6px;border-radius:6px}
.card h3{margin:0;font-size:16.5px;line-height:1.45}
.summary{margin:0;color:var(--text);font-size:14.5px;line-height:1.65}
.kps{margin:2px 0 0;padding:10px 12px 8px;background:color-mix(in srgb,var(--brand) 6%,var(--card));border:1px solid var(--line);border-radius:10px}
.kps h4{margin:0 0 6px;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--text)}
.kps ul{margin:0;padding:0;list-style:none}
.kps li{position:relative;margin:0;padding:6px 0 6px 14px;font-size:13.5px;line-height:1.6;color:var(--text)}
.kps li+li{border-top:1px solid color-mix(in srgb,var(--line) 80%,transparent)}
.kps li::before{content:"";position:absolute;left:0;top:0.85em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.why{margin:0;color:var(--muted);font-size:13.5px}.why b{color:var(--text);font-weight:600}
.caution{margin:0;font-size:12.5px;background:var(--warnbg);color:var(--warn);padding:6px 10px;border-radius:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:12px;color:var(--muted);background:color-mix(in srgb,var(--brand) 8%,transparent);padding:2px 8px;border-radius:6px}.tag:hover{color:var(--brand)}
.tags.big .tag{font-size:14px;padding:5px 12px}.tag small{opacity:.7}
.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding-top:6px;border-top:1px dashed var(--line)}
.meta{display:flex;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.link2{font-size:12.5px;color:var(--muted)}
.go{background:var(--brand);color:#fff;padding:6px 14px;border-radius:9px;font-weight:600;font-size:13.5px}.go:hover{color:#fff;filter:brightness(1.1)}
.filters{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:8px;margin:10px 0}
.result-info{color:var(--muted);font-size:13px;margin:6px 0 12px}
#tagchip .chip{margin-left:6px}
.empty{color:var(--muted)}
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 24px 18px;max-width:820px}.prose a{color:var(--brand)}
.foot{color:var(--muted);font-size:12.5px;padding:30px 18px max(40px,calc(40px + env(safe-area-inset-bottom,0px)));border-top:1px solid var(--line);margin-top:40px}.foot a{color:var(--brand)}
.hidden{display:none!important}
@media (max-width:860px){.cats{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr}.filters #q{grid-column:1/-1}}
@media (max-width:560px){.bar{height:auto;flex-wrap:wrap;padding:10px 18px 4px}.qs{flex:1 1 100%}.grid{grid-template-columns:1fr}.hero h1{font-size:26px}.hero{padding:26px 0 10px}.card{padding:14px}}

.skip-link{position:absolute;left:max(12px,env(safe-area-inset-left,0px));top:max(8px,env(safe-area-inset-top,0px));z-index:30;padding:8px 14px;background:var(--brand);color:#fff;border-radius:8px;font-weight:600;transform:translateY(-160%)}
.skip-link:focus,.skip-link:focus-visible{transform:none;color:#fff;outline:2px solid var(--brand);outline-offset:3px}
:where(a,button,input,select,textarea,.chip,.go,.tag,.catbox,.link2):focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.hero h1,.sec-head h2,.card h3,.prose h2,.prose h3{text-wrap:balance}
.hero p,.summary,.why,.kps li,.prose p,.prose li{text-wrap:pretty}
.grid>.card:nth-child(n+7){content-visibility:auto;contain-intrinsic-size:auto 360px}
@media (pointer:coarse){.nav a,.chip,.go,.qs input,.filters input,.filters select{min-block-size:44px}}