:root{
  --bg:#f6f7f8;
  --surface:#ffffff;
  --surface-soft:#fbfbfc;
  --surface-dark:#0f1720;
  --text:#101828;
  --muted:#667085;
  --line:#e7eaef;
  --line-strong:#d8dee8;
  --primary:#10a37f;
  --primary-deep:#0b7a60;
  --accent:#1d4ed8;
  --shadow:0 18px 48px rgba(15,23,42,.07);
  --shadow-soft:0 10px 28px rgba(15,23,42,.05);
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:30px;
  --container:1180px;
  --content:780px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:linear-gradient(180deg,#fbfcfd 0%,#f5f7fa 100%);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;line-height:1.7}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}button,input,textarea,select{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}.screen-reader-text{position:absolute;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden;white-space:nowrap}.skip-link:focus{clip:auto;clip-path:none;width:auto;height:auto;left:16px;top:16px;z-index:999;background:#111;color:#fff;padding:10px 12px;border-radius:10px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(251,252,253,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,234,239,.9)}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-branding{display:flex;flex-direction:column;gap:2px}.site-title{font-weight:800;font-size:18px;letter-spacing:-.02em}.site-tagline{font-size:12px;color:var(--muted)}.custom-logo{max-height:42px;width:auto}.nav-menu{display:flex;gap:26px;list-style:none;padding:0;margin:0;font-size:14px;color:#344054}.nav-menu a:hover{color:#111827}.nav-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:700;white-space:nowrap;transition:all .18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(16,163,127,.16)}.btn-primary:hover{background:var(--primary-deep)}.btn-secondary{background:#fff;border-color:var(--line);color:#111}.btn-secondary:hover{box-shadow:var(--shadow-soft)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px;cursor:pointer}.menu-toggle-bar{display:block;width:18px;height:2px;background:#111;margin:4px 0;border-radius:999px}

.breadcrumb-nav{margin:18px 0 24px}.breadcrumb-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.breadcrumb-item{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.breadcrumb-item:not(:last-child)::after{content:'/';color:#c5ccd8}.breadcrumb-item a{color:#475467}.breadcrumb-item a:hover{color:var(--text)}.breadcrumb-item span[aria-current='page']{color:var(--text);font-weight:600}

.post-card,.single-article,.comments-area,.widget,.archive-hero-card,.category-directory-card,.article-toc-card,.article-directory-card,.search-form,.ab-card,.ab-capability,.ab-city-card,.ab-industry-card,.ab-faq-card,.ab-hero-panel,.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-soft)}
.content-area,.single-wrap{padding:34px 0 88px}.site-main{min-height:60vh}.meta{color:var(--muted);font-size:14px}.site-footer{padding:52px 0;border-top:1px solid var(--line);background:rgba(255,255,255,.72);color:var(--muted);font-size:14px}.footer-grid{display:grid;grid-template-columns:1.1fr .8fr 1fr;gap:24px}.footer-grid h4{margin:0 0 12px;color:var(--text);font-size:16px}.footer-menu{list-style:none;padding:0;margin:0;display:grid;gap:10px}.footer-menu a:hover{color:var(--text)}.footer-chip-list{display:flex;flex-wrap:wrap;gap:10px}.footer-chip{display:inline-flex;align-items:center;padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#475467}.footer-chip:hover{border-color:var(--primary);color:var(--primary)}.footer-meta{margin-top:12px;color:var(--muted)}.footer-empty{color:var(--muted)}

.ab-hero{padding:82px 0 44px}.ab-hero-wrap{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:28px;align-items:stretch}.ab-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;font-size:12px;font-weight:700;color:#344054;margin-bottom:18px}.ab-eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--primary);display:block}.ab-hero-copy h1{font-size:clamp(42px,6vw,70px);line-height:1.03;letter-spacing:-.05em;max-width:780px;margin:0}.ab-hero-copy h1 span{color:#475467}.ab-hero-copy p{margin-top:18px;max-width:760px;font-size:18px;color:var(--muted)}.ab-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.ab-trust-row{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;color:var(--muted);font-size:14px}.ab-trust-row strong{color:#111827}
.ab-hero-panel{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(180deg,#fff,#fcfcfd)}.ab-panel-top{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);background:#fafbfd}.ab-window-dots{display:flex;gap:7px}.ab-window-dots span{width:9px;height:9px;border-radius:50%;background:#d8dbe2;display:block}.ab-window-label{font-size:12px;color:#8a8fa0;letter-spacing:.04em;text-transform:uppercase}.ab-panel-body{padding:20px 22px 22px;display:grid;gap:16px}.ab-panel-block{border:1px solid var(--line);background:#fff;border-radius:20px;padding:18px}.ab-panel-block h3{font-size:15px;margin:0 0 10px}.ab-panel-block p{font-size:14px;color:var(--muted);margin:0}
.ab-overview-list{display:grid;gap:10px}.ab-overview-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.ab-overview-row:last-child{border-bottom:none;padding-bottom:0}.ab-overview-row:first-child{padding-top:0}.ab-status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700}.ab-status::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--primary)}.ab-mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.ab-mini-metric{padding:16px;border-radius:18px;background:#fbfcfd;border:1px solid var(--line)}.ab-mini-metric strong{display:block;font-size:22px;letter-spacing:-.03em;margin-bottom:4px}.ab-mini-metric span{display:block;font-size:12px;color:var(--muted);line-height:1.45}
.ab-section{padding:76px 0;position:relative}.ab-section+.ab-section::before{content:'';position:absolute;left:50%;top:0;transform:translateX(-50%);width:min(var(--container),calc(100% - 40px));height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}.ab-section-head{max-width:860px;display:grid;gap:12px;margin-bottom:30px}.ab-section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.04em;margin:0}.ab-section-head p{color:var(--muted);font-size:16px;margin:0}.insights-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;max-width:none}
.ab-quiet-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:18px;align-items:stretch}.ab-card{padding:26px}.ab-card h3{font-size:24px;line-height:1.16;letter-spacing:-.02em;margin:0}.ab-card p{margin-top:12px;color:var(--muted);font-size:15px}.ab-card ul{margin-top:16px;padding-left:18px;color:var(--muted)}.ab-card li+li{margin-top:8px}.ab-capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ab-capability{padding:18px}.ab-capability small{display:block;font-size:12px;color:#8a8fa0;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.ab-capability h4{font-size:17px;line-height:1.2;margin:0}.ab-capability p{margin-top:8px;font-size:14px;color:var(--muted)}
.ab-city-grid,.ab-industry-grid,.ab-faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ab-city-card,.ab-industry-card,.ab-faq-card{padding:22px}.ab-city-card h3,.ab-industry-card h3,.ab-faq-card h3{font-size:18px;line-height:1.3;margin:0}.ab-city-card p,.ab-industry-card p,.ab-faq-card p{margin-top:10px;color:var(--muted);font-size:15px}.ab-cta-band{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,250,252,.96));border:1px solid var(--line);border-radius:30px;padding:34px;display:grid;grid-template-columns:1.85fr .15fr;gap:24px;align-items:center;box-shadow:var(--shadow)}.ab-cta-band h2{font-size:clamp(32px,4vw,52px);line-height:1.05;letter-spacing:-.04em;margin:0}.ab-cta-band p{margin-top:12px;color:var(--muted);font-size:16px;max-width:680px}.ab-cta-side{display:grid;gap:12px;justify-items:start}.ab-cta-note{font-size:13px;color:var(--muted)}

.archive-shell{display:grid;gap:24px}.archive-hero-card{padding:28px 30px;background:linear-gradient(180deg,#fff,#f9fbfc)}.archive-badge,.section-mini-title{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;background:#eff8ff;color:#175cd3;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.archive-title{margin:14px 0 8px;font-size:clamp(30px,4vw,50px);line-height:1.05;letter-spacing:-.045em}.archive-description{max-width:780px;color:var(--muted);font-size:16px}
.category-directory-card{padding:20px 22px}.category-chip-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.category-chip{display:inline-flex;align-items:center;gap:10px;padding:11px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#344054;font-size:14px;font-weight:600;transition:all .18s ease}.category-chip strong{display:inline-flex;min-width:26px;height:26px;align-items:center;justify-content:center;border-radius:999px;background:#f4f7fb;color:#667085;font-size:12px;font-weight:800}.category-chip:hover,.category-chip.is-active{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-soft)}.category-chip.is-active strong,.category-chip:hover strong{background:#ecfdf5;color:var(--primary)}.category-empty{color:var(--muted)}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.post-grid-home .post-card{height:100%}.post-card{overflow:hidden}.post-card-rich{display:flex;flex-direction:column}.post-card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}.post-card-body{display:grid;gap:14px;padding:22px}.post-card-meta-row,.post-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.mini-chip,.post-chip{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#f5f8fb;border:1px solid #e6edf5;color:#175cd3;font-size:12px;font-weight:800}.post-card-date,.post-reading-time{font-size:13px;color:var(--muted)}.post-card-title{margin:0;font-size:22px;line-height:1.25;letter-spacing:-.03em}.post-card-title a:hover{color:var(--primary)}.post-card-excerpt{margin:0;color:var(--muted);font-size:15px}.text-link{color:var(--primary);font-weight:800}.text-link:hover{text-decoration:underline}.card-empty-state{grid-column:1/-1;padding:0}.card-empty-state-inner{padding:28px}
.pagination-wrap{margin-top:8px}.pagination .nav-links{display:flex;gap:10px;flex-wrap:wrap}.pagination .page-numbers{min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:700;color:#344054}.pagination .current{background:var(--primary);border-color:var(--primary);color:#fff}

.single-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.single-article{padding:32px}.single-header-rich{padding-bottom:10px;border-bottom:1px solid var(--line)}.single-header-topline{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}.post-chip-list{display:flex;flex-wrap:wrap;gap:10px}.post-meta-inline{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:14px}.meta-sep{color:#c5ccd8}.single-header h1{margin:14px 0 0;font-size:clamp(34px,4vw,56px);line-height:1.05;letter-spacing:-.045em}.single-intro{margin:16px 0 0;max-width:72ch;color:var(--muted);font-size:17px}.single-thumb{margin-top:24px;border-radius:22px;overflow:hidden}.single-thumb img{width:100%;max-height:460px;object-fit:cover}.single-content{max-width:var(--content);margin-top:28px;font-size:16px;color:#344054}.single-content>*:first-child{margin-top:0}.single-content h2,.single-content h3,.single-content h4{color:var(--text);line-height:1.2;letter-spacing:-.03em;scroll-margin-top:98px}.single-content h2{font-size:32px;margin:1.8em 0 .7em}.single-content h3{font-size:24px;margin:1.6em 0 .65em}.single-content h4{font-size:20px;margin:1.4em 0 .6em}.single-content p,.single-content ul,.single-content ol,.single-content blockquote,.single-content table,.single-content figure{margin:0 0 1.3em}.single-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}.single-content blockquote{padding:18px 20px;border-left:4px solid var(--primary);background:#f8fafc;border-radius:14px;color:var(--text)}.single-content ul,.single-content ol{padding-left:20px}.single-content table{width:100%;border-collapse:collapse}.single-content th,.single-content td{padding:12px;border:1px solid var(--line)}.single-footer{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}.tag-links{display:flex;flex-wrap:wrap;gap:10px}.tag-links a{display:inline-flex;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#475467}
.single-aside{display:grid;gap:16px;position:sticky;top:98px}.article-toc-card,.article-directory-card{padding:18px}.article-aside-title{font-size:14px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#344054;margin-bottom:14px}.article-toc-list{margin:0;padding:0;list-style:none;display:grid;gap:8px}.article-toc-list li a{display:block;padding:9px 12px;border-radius:12px;color:#475467;background:#fbfcfe}.article-toc-list li a:hover{background:#eff8ff;color:#175cd3}.article-toc-list .toc-level-h3 a{padding-left:20px;font-size:14px}.article-toc-list .toc-level-h4 a{padding-left:28px;font-size:13px}.category-stack{display:grid;gap:10px}.category-stack-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border-radius:14px;background:#fbfcfe;border:1px solid #edf2f7;color:#344054}.category-stack-item strong{display:inline-flex;min-width:28px;height:28px;align-items:center;justify-content:center;border-radius:999px;background:#f4f7fb;color:#667085;font-size:12px}.category-stack-item:hover{border-color:var(--primary);color:var(--primary)}
.related-posts-section{margin-top:28px}.search-form{display:flex;gap:10px;align-items:center;padding:16px 18px}.search-field{flex:1;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff}.search-submit{border:0;border-radius:14px;background:var(--primary);color:#fff;padding:12px 16px;font-weight:800;cursor:pointer}
.comments-area{margin-top:24px;padding:24px}.comment-list{padding-left:18px}.comment-body{margin-bottom:20px}.widget{padding:22px}.widget-title{margin-top:0;margin-bottom:12px}

@media (max-width:1100px){.ab-hero-wrap,.ab-quiet-grid,.ab-cta-band,.single-shell,.footer-grid,.insights-head{grid-template-columns:1fr}.single-aside{position:static;order:-1}.single-content{max-width:none}}
@media (max-width:820px){.post-grid,.ab-mini-metrics,.ab-capability-list,.ab-city-grid,.ab-industry-grid,.ab-faq-grid{grid-template-columns:1fr}.nav-cta .btn-secondary{display:none}.nav-cta{display:none}.menu-toggle{display:inline-block}.main-nav{position:absolute;top:76px;left:12px;right:12px;display:none}.main-nav.is-open{display:block}.nav-menu{flex-direction:column;gap:0;background:#fff;padding:10px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.nav-menu a{display:block;padding:12px 10px}}
@media (max-width:640px){.container{width:min(var(--container),calc(100% - 24px))}.content-area,.single-wrap{padding:24px 0 72px}.ab-hero{padding-top:50px}.ab-hero-copy h1{font-size:40px}.ab-hero-copy p{font-size:16px}.ab-hero-actions{flex-direction:column;align-items:stretch}.archive-hero-card,.single-article,.category-directory-card,.article-toc-card,.article-directory-card,.ab-card,.ab-capability,.ab-city-card,.ab-industry-card,.ab-faq-card,.comments-area{padding:20px}.post-card-body{padding:18px}.post-card-meta-row,.post-card-bottom,.single-header-topline,.post-meta-inline{align-items:flex-start;flex-direction:column}.breadcrumb-nav{margin-top:8px}.search-form{flex-direction:column;align-items:stretch}}