/* Wind89 site — polished 2026-09-09 */
:root{
  --navy:#051c2c;
  --navy-2:#0a2a3d;
  --cobalt:#2251ff;
  --cobalt-ink:#153bd1;
  --ink:#1a242e;
  --body:#2c3a46;
  --muted:#6b757e;
  --line:#e4e7ea;
  --surface:#f6f7f8;
  --white:#fff;
  --radius:10px;
  --gutter:clamp(1.1rem,4vw,2.75rem);
  --max:46rem;
  --serif:Georgia,"Times New Roman","Songti SC","STSong",serif;
  --sans:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;color:var(--ink);background:var(--white);font-family:var(--sans);font-size:1.0625rem;line-height:1.7;-webkit-font-smoothing:antialiased}
::selection{background:rgba(5,28,44,.14);color:inherit}
::-moz-selection{background:rgba(5,28,44,.14);color:inherit}
a,a:link,a:visited{color:var(--cobalt);text-decoration:none}
a:hover{color:var(--cobalt-ink);text-decoration:underline}
:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px;border-radius:4px}
.wrap{width:min(var(--max),100%);margin:0 auto;padding:0 var(--gutter)}

/* header */
.site-header,.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:40;backdrop-filter:saturate(1.2) blur(8px)}
.site-header .wrap,.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:3.75rem}
.brand,a.brand,a.brand:link,a.brand:visited,.top a.brand{color:#fff!important;font-weight:650;letter-spacing:.05em;text-decoration:none!important;font-size:.95rem}
.brand:hover,a.brand:hover{opacity:.92;text-decoration:none!important}
.nav{display:flex;flex-wrap:wrap;gap:.15rem .05rem;justify-content:flex-end}
.nav a,.nav a:link,.nav a:visited,.site-header .nav a,.top .nav a,.top a{
  color:rgba(255,255,255,.78)!important;text-decoration:none!important;font-size:.88rem;font-weight:450;
  padding:.35rem .55rem;border-radius:6px
}
.nav a:hover,.top .nav a:hover,.top a:hover{color:#fff!important;background:rgba(255,255,255,.08);text-decoration:none!important}

/* hero */
.hero{background:linear-gradient(165deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:clamp(2.6rem,7vw,4.2rem) 0 clamp(2.8rem,7vw,4.4rem)}
.kicker,.meta{margin:0 0 1rem;color:rgba(255,255,255,.55);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase}
main .meta{color:var(--muted)}
.hero h1{margin:0 0 .9rem;font-family:var(--serif);font-size:clamp(2rem,5.2vw,3.15rem);font-weight:400;line-height:1.18;letter-spacing:-.01em}
.dek{margin:0;max-width:34rem;color:rgba(255,255,255,.78);font-size:1.05rem;line-height:1.55}

/* main list */
main{padding:clamp(2.2rem,5vw,3.5rem) 0}
main h2{margin:0 0 1.25rem;font-family:var(--serif);font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:400;letter-spacing:-.01em}
.posts{margin:0;padding:0;list-style:none}
.posts li{padding:1.2rem 0;border-top:1px solid var(--line);display:grid;gap:.35rem}
.posts li:last-child{border-bottom:1px solid var(--line)}
.posts time{display:block;color:var(--muted);font-size:.8rem;letter-spacing:.02em}
.posts a.title,.posts a.title:link,.posts a.title:visited{
  color:var(--navy)!important;font-family:var(--serif);font-size:clamp(1.15rem,2.2vw,1.32rem);
  line-height:1.35;text-decoration:none!important;font-weight:400
}
.posts a.title:hover{color:var(--cobalt)!important}
.posts .row{display:flex;flex-wrap:wrap;align-items:baseline;gap:.45rem .55rem}
.posts p{margin:0;color:var(--body);font-size:.98rem;line-height:1.6;max-width:40rem}

/* badges */
.badge{display:inline-flex;align-items:center;padding:.18rem .5rem;border-radius:999px;background:var(--navy);color:#fff!important;font-size:.68rem;font-weight:600;letter-spacing:.04em;line-height:1.2;vertical-align:middle;text-decoration:none!important}
.badge.free{background:var(--surface);color:var(--muted)!important;border:1px solid var(--line);font-weight:550}

/* about block */
.about{margin-top:2.75rem;padding-top:2rem;border-top:1px solid var(--line)}
.about p{margin:0 0 1rem;color:var(--body);max-width:40rem}

/* footer */
.site-footer,.foot{background:var(--navy);color:rgba(255,255,255,.68);padding:2rem 0 2.3rem;font-size:.86rem;margin-top:2.5rem;text-align:center}
.footer-name{margin:0 0 .55rem;color:#fff;font-family:var(--serif);font-size:1.05rem}
.beian{display:flex;flex-wrap:wrap;gap:.35rem 1.1rem;margin:0 auto .7rem;padding:0;list-style:none;justify-content:center}
.site-footer a,.site-footer a:link,.site-footer a:visited,.foot a,.foot a:link,.foot a:visited{color:rgba(255,255,255,.78)!important;text-decoration:none!important}
.site-footer a:hover,.foot a:hover{color:#fff!important;text-decoration:underline!important}
.copy{margin:.6rem 0 0;color:rgba(255,255,255,.42);font-size:.78rem}
.footer-links{margin:0 auto .8rem;display:flex;flex-wrap:wrap;gap:.75rem 1.1rem;justify-content:center}

@media (max-width:560px){
  .site-header .wrap,.top .wrap{min-height:3.4rem}
  .nav a{padding:.3rem .4rem;font-size:.82rem}
  .posts a.title{font-size:1.12rem}
}

/* article prose */
article,main .wrap{max-width:var(--max)}
main h1{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,3.8vw,2.35rem);line-height:1.28;margin:0 0 .55rem;letter-spacing:-.015em;color:var(--navy)}
.when{color:var(--muted);font-size:.84rem;margin:0 0 1.6rem}
main h2{margin:2.1rem 0 .75rem;font-size:1.28rem}
main p{color:var(--body);margin:0 0 1.05rem;max-width:65ch}
main ul{color:var(--body);padding-left:1.15rem;margin:0 0 1.1rem;max-width:65ch}
main li{margin:.35rem 0}
.note{background:var(--surface);border-left:3px solid var(--cobalt);padding:.95rem 1.05rem;margin:1.25rem 0;color:var(--body);border-radius:0 8px 8px 0;max-width:65ch}
.preview-fade{mask-image:linear-gradient(180deg,#000 35%,transparent);-webkit-mask-image:linear-gradient(180deg,#000 35%,transparent);max-height:11.5rem;overflow:hidden}
.lock-box{margin:2rem 0;padding:1.6rem 1.35rem;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#fafbfc,#fff);text-align:center;box-shadow:0 10px 30px rgba(5,28,44,.04)}
.lock-box .price{font-family:var(--serif);font-size:2rem;margin:.45rem 0;color:var(--navy)}
.lock-box .btn{display:inline-block;margin-top:.85rem;padding:.78rem 1.35rem;background:var(--cobalt);color:#fff!important;border-radius:8px;text-decoration:none!important;font-weight:600;transition:background .15s var(--ease)}
.lock-box .btn:hover{background:var(--cobalt-ink);text-decoration:none!important}
.back{display:inline-block;margin-bottom:1.25rem;font-size:.9rem}
code{font-size:.92em;background:var(--surface);padding:.1rem .35rem;border-radius:4px}