:root{--bg:#0b0f14;--fg:#dbe4ee;--mut:#8fa1b3;--acc:#39d0a4;--acc2:#4f8cff;--line:#1c2733;--card:#101722}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 "Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif}
a{color:var(--acc2);text-decoration:none}
a:hover{text-decoration:underline}
.top{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem;padding:.9rem 1.4rem;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,15,20,.94);backdrop-filter:blur(6px);z-index:5}
.brand{display:flex;align-items:center;gap:.45rem;font-weight:700;font-size:1.12rem;color:var(--acc);letter-spacing:.02em}
.top nav{display:flex;flex-wrap:wrap;gap:.15rem;flex:1}
.top nav a{color:var(--mut);padding:.3rem .55rem;border-radius:6px;font-size:.92rem}
.top nav a:hover{color:var(--fg);text-decoration:none;background:var(--card)}
.top nav a.cur{color:var(--fg);background:var(--card)}
.lang a{font-size:.9rem;color:var(--acc)}
main{max-width:880px;margin:0 auto;padding:2.2rem 1.3rem 3.5rem}
h1{font-size:1.9rem;line-height:1.3;margin:.3rem 0 1.2rem}
h2{font-size:1.28rem;margin:2.2rem 0 .7rem;color:var(--acc)}
p{margin:.7rem 0}
blockquote{margin:1.4rem 0;padding:1.1rem 1.4rem;background:var(--card);border-left:4px solid var(--acc);border-radius:0 10px 10px 0;font-size:1.06rem}
blockquote br+*{margin-top:.2rem}
ul{padding-left:1.35rem}
li{margin:.35rem 0}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.92rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:.5rem .65rem;text-align:left;vertical-align:top}
th{background:var(--card);color:var(--fg)}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;margin:1.1rem 0}
.fstep{background:var(--card);border:1px solid var(--line);padding:.45rem .8rem;border-radius:8px;font-weight:600}
.farrow{color:var(--mut)}
.btn{display:inline-block;background:var(--acc);color:#06251c;font-weight:700;padding:.6rem 1.15rem;border-radius:9px;margin:.6rem 0}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.wl{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.3rem 1.4rem;margin:1.3rem 0;display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.wl input[type=email]{flex:1 1 260px;background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:.65rem .8rem;border-radius:8px;font-size:1rem}
.wl button{background:var(--acc);border:0;color:#06251c;font-weight:700;padding:.65rem 1.2rem;border-radius:8px;font-size:1rem;cursor:pointer}
.wlnote{flex:1 1 100%;color:var(--mut);font-size:.85rem;margin:0}
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin:1.2rem 0}
.tier{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem}
.tier h3{margin:.1rem 0 .3rem;color:var(--acc)}
.tier .price{font-size:1.15rem;font-weight:700}
.tier .sub{color:var(--mut);font-size:.88rem}
.tier .ea{margin-top:.5rem;color:var(--acc2);font-size:.88rem}
footer{border-top:1px solid var(--line);margin-top:3rem;padding:1.6rem 1.3rem 2.6rem;max-width:880px;margin-inline:auto;color:var(--mut);font-size:.9rem}
.tag{color:var(--fg);font-weight:600}
.postlist{list-style:none;padding-left:0}
.postlist time{color:var(--mut);font-size:.85rem;margin-left:.5rem}
#livecheck{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;margin:1rem 0}
#livecheck .ok{color:var(--acc);font-weight:700}
#livecheck .bad{color:#ff7a7a;font-weight:700}
@media (max-width:640px){h1{font-size:1.5rem}.top{position:static}}