:root{--bg:#0b0d12;--panel:#12151d;--panel2:#181c26;--line:#262b38;--text:#e8eaf0;--muted:#9aa3b5;--accent:#7c5cff;--accent2:#20d3b0;--warn:#ffb547;--radius:14px;--max:1080px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:#a996ff;text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:10;background:rgba(11,13,18,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{font-weight:800;color:var(--text);letter-spacing:-.02em;white-space:nowrap}.brand span{color:var(--accent2)}
nav.main{display:flex;gap:16px;margin-left:auto;overflow-x:auto;scrollbar-width:none}nav.main a{color:var(--muted);font-size:.93rem;white-space:nowrap}nav.main a:hover,nav.main a.on{color:var(--text);text-decoration:none}
.hero{padding:72px 0 48px;background:radial-gradient(900px 400px at 15% -10%,rgba(124,92,255,.28),transparent 60%),radial-gradient(700px 360px at 95% 0,rgba(32,211,176,.16),transparent 60%)}
.hero h1{font-size:clamp(2rem,5.2vw,3.4rem);line-height:1.08;letter-spacing:-.035em;margin:0 0 16px;max-width:820px}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:680px;margin:0 0 26px}
.pill{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent2);border:1px solid rgba(32,211,176,.35);padding:4px 10px;border-radius:99px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;padding:12px 20px;border-radius:10px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{filter:brightness(1.1);text-decoration:none}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.btn.green{background:var(--accent2);color:#06231d}
.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed}
.row{display:flex;gap:12px;flex-wrap:wrap}
section{padding:44px 0}section h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.02em;margin:0 0 12px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 8px;font-size:1.12rem}.card p{color:var(--muted);margin:0 0 10px}
a.card{display:block;color:var(--text)}a.card:hover{border-color:var(--accent);text-decoration:none}
.muted{color:var(--muted)}.small{font-size:.88rem}
article.post{max-width:760px;margin:0 auto;padding:40px 20px 20px}
article.post h1{font-size:clamp(1.8rem,4.4vw,2.6rem);line-height:1.15;letter-spacing:-.03em;margin:.2em 0 .4em}
article.post h2{margin-top:2em;font-size:1.45rem}article.post h3{margin-top:1.6em}
article.post li{margin:.35em 0}
.meta{color:var(--muted);font-size:.9rem}
blockquote.x{margin:18px 0;padding:14px 18px;border-left:3px solid var(--accent);background:var(--panel);border-radius:0 10px 10px 0}
blockquote.x p{margin:0 0 6px}blockquote.x cite{font-style:normal;font-size:.86rem;color:var(--muted)}
.note{background:rgba(255,181,71,.08);border:1px solid rgba(255,181,71,.3);border-radius:10px;padding:12px 16px;font-size:.93rem}
.cta{background:linear-gradient(135deg,rgba(124,92,255,.18),rgba(32,211,176,.10));border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:30px 0}
.cta h3{margin:0 0 6px}.cta p{margin:0 0 14px;color:var(--muted)}
form.sub{display:flex;gap:10px;flex-wrap:wrap}form.sub input[type=email]{flex:1 1 220px;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);font-size:1rem}
.hp{position:absolute;left:-9999px}
.formmsg{font-size:.92rem;margin-top:8px;min-height:1.2em}
table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}
.tablewrap{overflow-x:auto}
input.num,select{background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 10px;font-size:.95rem;width:100%}
label.f{display:block;font-size:.85rem;color:var(--muted);margin:0 0 4px}
.kpi{font-size:1.9rem;font-weight:800;letter-spacing:-.02em}
.ad-slot:empty{display:none}.ad-slot{margin:24px 0}
.aff{font-size:.78rem;color:var(--muted)}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:30px 0;color:var(--muted);font-size:.88rem}
footer.site a{color:var(--muted)}
.price{font-size:2.6rem;font-weight:800;letter-spacing:-.03em}
.check li{list-style:none;padding-left:26px;position:relative}.check li:before{content:"✓";position:absolute;left:0;color:var(--accent2);font-weight:800}
ul.check{padding-left:0}
details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:10px 0}summary{cursor:pointer;font-weight:600}
code{background:var(--panel2);padding:2px 6px;border-radius:6px;font-size:.9em}
pre{background:var(--panel2);padding:14px;border-radius:10px;overflow-x:auto;font-size:.88rem;white-space:pre-wrap}
@media(max-width:640px){header.site .wrap{height:54px;gap:10px}nav.main{gap:12px}.hero{padding:48px 0 32px}section{padding:32px 0}}