/* 知识库 / 博客静态页：对齐营销站 SiteShell 色板与排版（深色固定，无主题切换） */
.site-root{
  --ink:#0E1622;--ink-2:#141F2D;--panel:#16212F;--line:#243343;
  --bone:#E7E2D6;--bone-dim:#C8C3B4;--slate:#A8B2C2;
  --gold:#C8A96A;--loss:#B4574E;--win:#7FA88A;--maxw:1120px;
}
.site-root{
  background:var(--ink);color:var(--bone);
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;
}
.site-root *,.site-root *::before,.site-root *::after{box-sizing:border-box}
.site-root h1,.site-root h2,.site-root h3,.site-root h4,.site-root p,.site-root ul,.site-root li{margin:0;padding:0}
.site-root a{color:inherit}
.site-root .mono{font-family:"IBM Plex Mono",monospace}
.site-root .wrap{max-width:var(--maxw);margin:0 auto;padding:0 36px}
.site-root .g{color:var(--gold)}
.site-root .btn{display:inline-block;padding:15px 30px;border-radius:2px;font-family:"IBM Plex Mono",monospace;font-size:14px;letter-spacing:.03em;text-decoration:none;transition:all .22s;cursor:pointer;border:1px solid transparent}
.site-root .btn-primary{background:var(--gold);color:var(--ink);font-weight:600}
.site-root .btn-primary:hover{background:#d8bd82}
.site-root .btn-ghost{border-color:var(--line);color:var(--bone)}
.site-root .btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.site-root .cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* nav */
.site-root .nav{position:absolute;top:0;left:0;width:100%;z-index:10;padding:20px 0}
.site-root .nav .wrap{display:flex;align-items:center;gap:18px}
.site-root .brand{display:flex;align-items:center;text-decoration:none;color:inherit}
.site-root .brand-logo{height:56px;width:auto;max-height:56px;object-fit:contain;flex-shrink:0;display:block}
.site-root .nav-tag{color:var(--bone-dim);font-size:16px;line-height:1.4;border-left:1px solid var(--line);padding-left:18px}
.site-root .nav-links{margin-left:auto;display:flex;align-items:center;gap:26px;font-size:16px}
.site-root .nav-links a{color:var(--bone-dim);text-decoration:none;transition:color .2s;font-weight:500}
.site-root .nav-links a:hover{color:var(--bone)}
.site-root .nav-login{color:var(--bone-dim)!important}
.site-root .nav-reg{padding:10px 20px;border:1px solid var(--gold);color:var(--gold)!important;border-radius:2px}
.site-root .nav-reg:hover{background:var(--gold);color:var(--ink)!important}

/* footer */
.site-root footer{padding:58px 0 50px;border-top:1px solid var(--line)}
.site-root .foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;margin-bottom:36px}
.site-root .foot-grid--content{grid-template-columns:2fr 1fr 1fr 1fr 1fr}
.site-root .foot-brand b{font-size:16px}
.site-root .foot-brand em{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--slate);letter-spacing:.1em;margin-left:8px}
.site-root .foot-brand p{font-size:13px;margin-top:12px;max-width:360px;color:var(--bone-dim)}
.site-root .foot-col h4{font-size:12px;font-family:"IBM Plex Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:15px}
.site-root .foot-col a{display:block;color:var(--bone-dim);text-decoration:none;font-size:14px;margin-bottom:9px}
.site-root .foot-col a:hover{color:var(--bone)}
.site-root .disclaimer{border-top:1px solid var(--line);padding-top:24px;font-size:12px;line-height:1.85;color:var(--slate);max-width:960px}
.site-root .disclaimer p{color:var(--slate)}
.site-root .disclaimer-copy{margin-top:12px}

/* content layout */
.site-root.content-page .content-main{padding:130px 0 72px}
.site-root .content-wrap{max-width:720px}
.site-root .content-wrap--index{max-width:880px}
.site-root .breadcrumb{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.04em;color:var(--slate);margin-bottom:28px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.site-root .breadcrumb a{color:var(--slate);text-decoration:none}
.site-root .breadcrumb a:hover{color:var(--gold)}
.site-root .bc-sep{opacity:.5}
.site-root .bc-current{color:var(--bone-dim)}

.site-root.content-page article > h1,
.site-root .index-head h1{
  font-size:clamp(28px,4.2vw,40px);font-weight:700;line-height:1.2;letter-spacing:-.02em;margin-bottom:22px
}
.site-root .index-lead{color:var(--bone-dim);font-size:16px;max-width:640px;margin-bottom:40px}
.site-root .post-date{font-size:13px;color:var(--slate);margin-bottom:28px;font-family:"IBM Plex Mono",monospace}

.site-root .kb-answer{
  margin:0 0 36px;padding:20px 22px;background:var(--ink-2);border:1px solid var(--line);border-radius:3px;
  color:var(--bone);font-size:17px;line-height:1.7
}
.site-root .kb-answer strong{font-weight:600}

.site-root .content-body{font-size:17px;line-height:1.8;color:var(--bone-dim)}
.site-root .content-body h2{font-size:22px;font-weight:600;color:var(--bone);margin:36px 0 14px;line-height:1.35}
.site-root .content-body h3{font-size:18px;font-weight:600;color:var(--bone);margin:28px 0 12px}
.site-root .content-body p + p{margin-top:16px}
.site-root .content-body ul,.site-root .content-body ol{margin:16px 0 16px 1.2em}
.site-root .content-body li{margin-bottom:8px}
.site-root .content-body a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(200,169,106,.35)}
.site-root .content-body a:hover{border-color:var(--gold)}
.site-root .content-body code{font-family:"IBM Plex Mono",monospace;font-size:.9em;background:var(--ink-2);padding:1px 6px;border-radius:2px}

.site-root .related{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.site-root .related-h{font-size:14px;font-family:"IBM Plex Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:16px;font-weight:500}
.site-root .related-list{list-style:none}
.site-root .related-list li{margin-bottom:10px}
.site-root .related-list a{color:var(--bone-dim);text-decoration:none;font-size:15px;border-bottom:1px solid transparent}
.site-root .related-list a:hover{color:var(--gold);border-bottom-color:rgba(200,169,106,.35)}

.site-root .cta-card{margin-top:48px;padding:28px 30px;border:1px solid var(--line);border-radius:3px;background:var(--ink-2)}
.site-root .cta-card--kb{border-color:rgba(200,169,106,.35);background:rgba(200,169,106,.04)}
.site-root .cta-card__eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.site-root .cta-card__title{font-size:20px;font-weight:600;margin-bottom:10px;color:var(--bone)}
.site-root .cta-card__text{font-size:15px;color:var(--bone-dim);margin-bottom:0}
.site-root .cta-card--kb .cta-card__text{margin-bottom:22px}
.site-root .cta-card--blog{padding:18px 22px;background:transparent}
.site-root .cta-card--blog .cta-card__text{margin:0;font-size:14.5px}
.site-root .cta-card--blog a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(200,169,106,.35)}
.site-root .cta-card--blog a:hover{border-color:var(--gold)}

/* kb index groups */
.site-root .kb-group{margin-bottom:48px}
.site-root .kb-group-h{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.site-root .kb-group-list{list-style:none;border-top:1px solid var(--line)}
.site-root .kb-group-list li{border-bottom:1px solid var(--line)}
.site-root .kb-group-list a{display:block;padding:18px 0;text-decoration:none;color:var(--bone);font-size:16px;font-weight:500}
.site-root .kb-group-list a:hover{color:var(--gold)}
.site-root .kb-group-list .kb-item-desc{display:block;margin-top:6px;font-size:13.5px;font-weight:400;color:var(--slate);line-height:1.6}

/* blog list */
.site-root .blog-list{list-style:none;border-top:1px solid var(--line)}
.site-root .blog-list li{border-bottom:1px solid var(--line);padding:22px 0}
.site-root .blog-list a{text-decoration:none;color:var(--bone);font-size:18px;font-weight:600;display:block}
.site-root .blog-list a:hover{color:var(--gold)}
.site-root .blog-list .blog-meta{margin-top:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--slate)}
.site-root .blog-list .blog-desc{margin-top:8px;font-size:14.5px;color:var(--bone-dim);line-height:1.7}

.site-root .pagination{margin-top:36px;display:flex;gap:16px;align-items:center;font-family:"IBM Plex Mono",monospace;font-size:13px}
.site-root .pagination a{color:var(--gold);text-decoration:none}
.site-root .pagination span{color:var(--slate)}

@media(max-width:900px){
  .site-root .foot-grid--content{grid-template-columns:1fr 1fr}
}
@media(max-width:800px){
  .site-root .nav-tag,.site-root .nav-links a:not(.nav-reg):not(.nav-login){display:none}
  .site-root .brand-logo{height:44px}
  .site-root.content-page .content-main{padding:110px 0 56px}
  .site-root .wrap{padding:0 22px}
  .site-root .foot-grid,.site-root .foot-grid--content{grid-template-columns:1fr}
}