/* ============ 灵感仓库 · 设计系统 v3 ============ */
:root{
  --bg:#06080e; --bg-soft:#080b12;
  --panel:#0d131d; --panel-2:#111a26; --panel-3:#16212f;
  --line:rgba(148,180,220,.12); --line-strong:rgba(148,180,220,.28);
  --txt:#e3eaf6; --txt-2:#9aa9c0; --txt-3:#66748a;
  --accent:#43e7c8; --accent-2:#8b7cff; --accent-3:#ff5f9e;
  --accent-soft:rgba(67,231,200,.1); --accent-line:rgba(67,231,200,.34);
  --shadow:0 18px 48px -24px rgba(0,0,0,.85);
  --glow:0 0 40px -12px rgba(67,231,200,.45);
  --radius:16px; --radius-sm:10px;
  --mono:ui-monospace,"JetBrains Mono","Cascadia Code",SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max:1180px;
}
[data-theme="light"]{
  --bg:#f7f5f0; --bg-soft:#efece4;
  --panel:#ffffff; --panel-2:#f6f3ec; --panel-3:#ece8df;
  --line:rgba(28,40,58,.12); --line-strong:rgba(28,40,58,.26);
  --txt:#141c28; --txt-2:#4c5a6b; --txt-3:#7b8798;
  --accent:#0f9b8a; --accent-2:#5b46d6; --accent-3:#c8326e;
  --accent-soft:rgba(15,155,138,.09); --accent-line:rgba(15,155,138,.35);
  --shadow:0 18px 40px -26px rgba(20,28,40,.35);
  --glow:0 0 34px -14px rgba(15,155,138,.4);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(67,231,200,.22)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--panel-3);border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--line-strong)}

/* ---------- 背景 ---------- */
.bg-art,.bg-grid,.bg-glow{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-art{
  background:url(/assets/bg-dark.jpg?v=3) center center / cover no-repeat;
  opacity:1;filter:none;
  transition:opacity .4s ease;
}
.bg-art::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 100% 64% at 22% 42%,rgba(6,8,14,.55) 0%,rgba(6,8,14,.18) 62%,transparent 100%),
    linear-gradient(180deg,rgba(6,8,14,.18) 0%,rgba(6,8,14,.34) 100%);
}
[data-theme="light"] .bg-art{
  background-image:url(/assets/bg-light.jpg?v=3);background-position:center 46%;
  opacity:1;filter:none;
}
[data-theme="light"] .bg-art::after{
  background:
    linear-gradient(180deg,rgba(250,249,245,0) 0%,rgba(250,249,245,.06) 42%,rgba(250,249,245,.55) 71%,rgba(250,249,245,.94) 100%);
}
.bg-grid{
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
  mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 8%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 8%,transparent 100%);
}
.bg-glow{
  background:
    radial-gradient(720px 420px at 8% -12%,rgba(67,231,200,.1),transparent 60%),
    radial-gradient(760px 460px at 92% -6%,rgba(139,124,255,.12),transparent 62%);
}
[data-theme="light"] .bg-grid{opacity:.75}
[data-theme="light"] .bg-glow{
  background:
    radial-gradient(720px 420px at 8% -12%,rgba(15,155,138,.1),transparent 60%),
    radial-gradient(760px 460px at 92% -6%,rgba(91,70,214,.09),transparent 62%);
}
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:50;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 14px rgba(67,231,200,.6);transition:width .06s linear}

/* ---------- 头部 ---------- */
.site-head{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 clamp(18px,4vw,40px);height:66px;
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:15px;letter-spacing:.02em}
.brand-mark{
  display:grid;place-items:center;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#03120f;font-size:13px;font-weight:700;
}
.brand-name{font-weight:600;color:var(--txt)}
.brand-name .slash{color:var(--accent-2);margin:0 1px}
.cursor{color:var(--accent);animation:blink 1.2s step-end infinite}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
.site-nav{display:flex;align-items:center;gap:4px;font-family:var(--mono);font-size:13px}
.site-nav a{padding:7px 12px;border-radius:9px;color:var(--txt-2);transition:.18s}
.site-nav a:hover{color:var(--accent);background:var(--accent-soft)}
.icon-btn{
  display:grid;place-items:center;width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line);background:var(--panel);color:var(--txt-2);cursor:pointer;
  transition:.18s;font-size:15px;line-height:1;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}

#app{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:clamp(34px,5vw,64px) clamp(18px,4vw,40px) 96px}

/* ---------- Hero ---------- */
.hero{padding-bottom:clamp(28px,4vw,46px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.hero-title{
  margin:0;font-size:clamp(2.2rem,5.4vw,3.5rem);line-height:1.08;
  letter-spacing:-.028em;font-weight:750;
}
.hero-title .grad{
  background:linear-gradient(102deg,var(--accent) 0%,var(--accent-2) 55%,var(--accent-3) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin:18px 0 0;color:var(--txt-2);font-size:1rem;max-width:58ch;line-height:1.8}
.search{
  display:flex;align-items:center;gap:12px;margin-top:28px;max-width:620px;
  padding:12px 16px;border:1px solid var(--line);border-radius:13px;
  background:var(--panel);transition:.2s;
}
.search:focus-within{border-color:var(--accent-line);box-shadow:var(--glow)}
.search svg{flex:none;color:var(--txt-3)}
.search input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--txt);font:inherit;font-size:14.5px}
.search input::placeholder{color:var(--txt-3)}
.kbd{
  font-family:var(--mono);font-size:11px;color:var(--txt-3);
  border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:2px 7px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.chip{
  font-family:var(--mono);font-size:12px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);color:var(--txt-2);background:transparent;cursor:pointer;transition:.16s;
}
.chip:hover{color:var(--accent);border-color:var(--accent-line)}
.chip.on{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}
.stats{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;padding-top:22px;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--txt-3);
}
.stats span{display:inline-flex;align-items:baseline;gap:6px}
.stats b{color:var(--txt);font-weight:600;font-variant-numeric:tabular-nums;font-size:13px}

/* ---------- 卡片 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(322px,1fr));gap:20px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background:color-mix(in srgb,var(--panel) 80%,transparent);
  backdrop-filter:blur(10px) saturate(1.1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),border-color .24s,box-shadow .24s;
}
[data-theme="light"] .card{
  background:rgba(255,255,255,.86);
  border-color:rgba(28,40,58,.14);
  box-shadow:0 12px 30px -22px rgba(20,40,60,.5);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow),var(--glow)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--panel-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media.ph{
  display:block;position:relative;
  background:
    radial-gradient(120% 120% at 0% 0%,var(--accent-soft),transparent 55%),
    linear-gradient(135deg,var(--panel-2),var(--panel-3));
}
.card-media.ph .idx{
  position:absolute;left:18px;bottom:8px;
  font-family:var(--mono);font-size:2.4rem;font-weight:700;letter-spacing:-.05em;
  color:var(--txt-3);opacity:.45;line-height:1;
}
.card-media.ph .badge{left:auto;right:12px;top:12px}
.card-media .badge{
  position:absolute;left:12px;top:12px;font-family:var(--mono);font-size:11px;
  padding:3px 9px;border-radius:999px;background:rgba(6,10,16,.72);color:var(--accent);
  border:1px solid var(--accent-line);backdrop-filter:blur(6px);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:11.5px;color:var(--txt-3)}
.card-title{margin:0;font-size:1.09rem;line-height:1.45;font-weight:650;letter-spacing:-.01em;transition:color .18s}
.card:hover .card-title{color:var(--accent)}
.card-sum{margin:0;color:var(--txt-2);font-size:.9rem;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{
  font-family:var(--mono);font-size:11px;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);
  padding:2px 9px;border-radius:999px;white-space:nowrap;
}
.go{font-family:var(--mono);font-size:11.5px;color:var(--txt-3);transition:.2s;white-space:nowrap}
.card:hover .go{color:var(--accent);transform:translateX(3px)}

.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}

.empty{
  grid-column:1/-1;padding:56px 20px;text-align:center;border:1px dashed var(--line);
  border-radius:var(--radius);color:var(--txt-2);font-family:var(--mono);font-size:13.5px;
}
.loading{padding:40px 6px;color:var(--txt-2);font-family:var(--mono);font-size:14px}

/* ---------- 文章页 ---------- */
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start}
@media(min-width:1060px){.post-wrap{grid-template-columns:minmax(0,1fr) 214px}}
.post{max-width:74ch;min-width:0}
[data-theme="light"] .post{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(28,40,58,.1);
  border-radius:20px;
  padding:clamp(22px,3vw,38px);
  box-shadow:0 24px 54px -38px rgba(20,40,60,.5);
  backdrop-filter:blur(8px);
}
[data-theme="light"] .toc{
  background:rgba(255,255,255,.62);
  border:1px solid rgba(28,40,58,.08);
  border-radius:14px;
  padding:16px 16px 14px;
  backdrop-filter:blur(6px);
}
.back{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12.5px;
  color:var(--txt-3);margin-bottom:26px;transition:.18s;
}
.back:hover{color:var(--accent)}
.post-head{padding-bottom:24px;margin-bottom:30px;border-bottom:1px solid var(--line)}
.post-title{margin:0;font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.22;letter-spacing:-.02em;font-weight:730;color:var(--txt)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0 0;font-family:var(--mono);font-size:12px;color:var(--txt-3)}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--txt-3);opacity:.6}
.cover{margin:0 0 30px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.cover img{width:100%;max-height:420px;object-fit:cover}

.toc{position:sticky;top:92px;align-self:start;font-size:13px;display:none}
@media(min-width:1060px){.toc{display:block}}
.toc h4{margin:0 0 12px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--txt-3);font-weight:500}
.toc nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:14px}
.toc a{color:var(--txt-2);padding:5px 0;line-height:1.45;transition:.16s;display:block}
.toc a:hover{color:var(--accent)}
.toc a.lv3{padding-left:12px;font-size:12.3px;color:var(--txt-3)}
.toc a.on{color:var(--accent);font-weight:600}

.prose{font-size:1.015rem;line-height:1.92;color:var(--txt)}
.prose>*+*{margin-top:1.05em}
.prose h1,.prose h2,.prose h3,.prose h4{color:var(--txt);line-height:1.35;letter-spacing:-.012em;font-weight:680;scroll-margin-top:92px}
.prose h1{font-size:1.7rem;margin-top:2em}
.prose h2{font-size:1.34rem;margin-top:2.3em;padding-top:.2em}
.prose h2::before{content:"";display:block;width:28px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));margin-bottom:14px;opacity:.85}
.prose h3{font-size:1.13rem;margin-top:1.9em;color:var(--txt)}
.prose h4{font-size:1rem;color:var(--txt-2)}
.prose p{margin:0}
.prose a{color:var(--accent);border-bottom:1px solid var(--accent-line);transition:.16s}
.prose a:hover{background:var(--accent-soft)}
.prose strong{color:var(--txt);font-weight:680}
.prose em{font-style:normal;color:var(--accent-3);font-family:var(--mono);font-size:.95em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.38em 0}
.prose li::marker{color:var(--accent-2)}
.prose hr{border:0;height:1px;background:var(--line);margin:2.6em 0}
.prose blockquote{
  margin:1.6em 0;padding:4px 0 4px 18px;border-left:2px solid var(--accent-2);
  color:var(--txt-2);background:linear-gradient(90deg,var(--accent-soft),transparent 72%);
  border-radius:0 8px 8px 0;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{
  font-family:var(--mono);font-size:.86em;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);
  border-radius:5px;padding:.12em .42em;
}
.prose pre.code{
  position:relative;margin:1.6em 0;padding:36px 18px 18px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;
  overflow-x:auto;cursor:copy;transition:.2s;
}
.prose pre.code:hover{border-color:var(--line-strong)}
.prose pre.code::before{
  content:attr(data-lang);position:absolute;top:10px;left:16px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
}
.prose pre.code::after{
  content:"copy";position:absolute;top:10px;right:16px;
  font-family:var(--mono);font-size:10.5px;color:var(--txt-3);letter-spacing:.08em;
}
.prose pre.code.copied::after{content:"copied ✓";color:var(--accent)}
.prose pre.code code{background:none;border:0;padding:0;color:var(--txt);font-size:.855rem;line-height:1.75;white-space:pre}
.prose .table-wrap{margin:1.6em 0;overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.prose table{width:100%;border-collapse:collapse;font-size:.92rem}
.prose th,.prose td{padding:10px 15px;text-align:left;border-bottom:1px solid var(--line)}
.prose th{background:var(--panel-2);color:var(--txt);font-family:var(--mono);font-size:.84rem;font-weight:500;white-space:nowrap}
.prose tbody tr:last-child td{border-bottom:0}
.prose tbody tr:hover td{background:var(--accent-soft)}
.prose img{border-radius:12px;border:1px solid var(--line);margin:1.4em 0}
.prose figcaption,.prose .cap{font-size:12.5px;color:var(--txt-3);text-align:center;margin-top:-.8em}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:56px;padding-top:26px;border-top:1px solid var(--line)}
.pager a{
  padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  transition:.2s;display:flex;flex-direction:column;gap:6px;min-width:0;
}
.pager a:hover{border-color:var(--accent-line);background:var(--panel-2);transform:translateY(-2px)}
.pager .k{font-family:var(--mono);font-size:11px;color:var(--txt-3);letter-spacing:.1em}
.pager .v{font-size:.94rem;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pager .right{text-align:right;align-items:flex-end}
@media(max-width:600px){.pager{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;z-index:1;max-width:var(--max);margin:0 auto;
  padding:28px clamp(18px,4vw,40px) 40px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:11.5px;color:var(--txt-3);
}
.site-foot .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);
  margin-right:8px;box-shadow:0 0 10px var(--accent);vertical-align:middle}
@media(max-width:640px){
  .grid{grid-template-columns:1fr}
  .search .kbd{display:none}
  .site-nav a{padding:6px 8px}
  .stats{gap:16px;font-size:11.5px}
}