:root{--bg: #fbfcff;--surface: #e9f0fa;--soft: #e2ecfe;--ink: #0e1a2b;--ink-strong: #050d18;--ink-muted: #58698a;--ink-faint: #8494b1;--accent: #1a6dff;--accent-strong: #0a3fa0;--accent-soft: #cfe0ff;--accent-faint: #eaf1ff;--line: rgba(14, 26, 43, .1);--line-soft: rgba(14, 26, 43, .06);--safe: #0e8a4a;--safe-soft: #e2f7ec;--warn: #c2410c;--c-d: clamp(2.1rem, 4.8vw, 3.4rem);--radius: 14px;--radius-lg: 22px;--tr: .22s cubic-bezier(.2, .7, .2, 1);--font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;--font-lat: "Avenir Next", Avenir, "Segoe UI", sans-serif;--dark: #0b1220;--dark-2: #111c30;--dark-ink: #e8eefb;--dark-muted: #8fa3c4;--shot-shadow: 0 40px 80px -32px rgba(11, 26, 61, .42), 0 8px 24px -12px rgba(11, 26, 61, .18);--shot-radius: 12px;--sec-y: clamp(2.6rem, 4.4vw, 4.2rem);--sec-y-tight: clamp(1.8rem, 3vw, 2.8rem)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}body{background:var(--bg);color:var(--ink);font-family:var(--font-cn);line-height:1.6;font-weight:400}a{color:inherit;text-decoration:none}ul,ol{list-style:none}img,svg{display:block;max-width:100%}h1,h2,h3,h4{font-weight:800;line-height:1.2}.wrap{max-width:1280px;margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}.btn{display:inline-flex;align-items:center;gap:.5rem;border-radius:9px;font-weight:600;cursor:pointer;border:none;transition:var(--tr)}.btn-primary{background:var(--accent);color:#fff;padding:.7rem 1.25rem}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px #0a3fa040}.btn-ghost{color:var(--ink);background:none;padding:.65rem .25rem}.btn-ghost:hover{color:var(--accent)}.btn-light{background:#fff;color:var(--ink)}.btn-line{padding:.7rem 1.25rem;border:1px solid var(--line);background:#fff;color:var(--ink)}.btn-line:hover{border-color:var(--accent);color:var(--accent)}.btn-lg{padding:.9rem 1.7rem;font-size:1.03rem}.kicker{color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}.lead2{color:var(--ink-muted);max-width:60ch}.sec-head{margin-bottom:2.4rem}.sec-head h2{font-size:clamp(1.7rem,3.3vw,2.4rem);margin:.5rem 0 .8rem;max-width:22ch}section.sect{padding:clamp(2.4rem,4vw,3.4rem) 0}section.band{padding:var(--sec-y) 0}section.band--soft{background:var(--soft)}section.band--surface{background:var(--surface)}section.band--dark{background:var(--dark);color:var(--dark-ink)}section.band--dark .lead2{color:var(--dark-muted)}section.band--accent{background:var(--accent);color:#fff}section.band--accent .kicker{color:#b6d5fb}section.band--accent .lead2{color:#d7e7fc}section.band--accent .card,section.band--dark .card{color:var(--ink)}.page-title{font-size:clamp(1.7rem,3.3vw,2.4rem);line-height:1.2;font-weight:800;margin:.5rem 0 1rem;max-width:22ch}.grid-alt{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(1.7rem,3.4vw,3.2rem);align-items:center}.grid-alt--flip>:first-child{order:2}.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(.7rem,1.1vw,.95rem)}.bento>*{grid-column:span 2}.bento>.span-3{grid-column:span 3}.bento>.span-4{grid-column:span 4}.bento>.span-6{grid-column:span 6}.card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:1.15rem 1.15rem 1.25rem;transition:var(--tr)}.card:hover{border-color:var(--accent-soft);box-shadow:0 18px 36px -26px #0e1a2b66}.num-badge{font-family:var(--font-lat);font-size:.95rem;font-weight:700;color:var(--accent);background:var(--accent-faint);border-radius:7px;padding:.15rem .5rem;display:inline-block}.chip{display:inline-block;font-size:.83rem;color:var(--ink-muted);border:1px solid var(--line);border-radius:999px;padding:.28rem .75rem}.field{padding:.72rem .9rem;border:1px solid var(--line);border-radius:9px;font:inherit;color:var(--ink);background:#fff;width:100%;transition:var(--tr)}.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-faint)}.field::placeholder{color:var(--ink-faint)}@media (max-width: 900px){.grid-alt{grid-template-columns:1fr}.grid-alt--flip>:first-child{order:0}.bento{grid-template-columns:repeat(2,1fr)}.bento>*,.bento>.span-3,.bento>.span-4,.bento>.span-6{grid-column:span 1}}@media (max-width: 560px){.bento{grid-template-columns:1fr}}.article-body,.w-e-text-container [data-slate-editor]{color:var(--ink);line-height:1.95;font-size:1rem;font-family:var(--font-cn)}.article-body p,.w-e-text-container [data-slate-editor] p{margin:0 0 1.1rem;line-height:1.95}.article-body h2,.w-e-text-container [data-slate-editor] h2{font-size:1.35rem;font-weight:800;line-height:1.3;margin:2rem 0 .8rem;color:var(--ink)}.article-body h3,.w-e-text-container [data-slate-editor] h3{font-size:1.12rem;font-weight:700;line-height:1.4;margin:1.6rem 0 .6rem;color:var(--ink)}.article-body ul,.article-body ol,.w-e-text-container [data-slate-editor] ul,.w-e-text-container [data-slate-editor] ol{margin:0 0 1.1rem 1.4rem;padding:0}.article-body li,.w-e-text-container [data-slate-editor] li{margin-bottom:.45rem;list-style:disc;line-height:1.9}.article-body ol>li,.w-e-text-container [data-slate-editor] ol>li{list-style:decimal}.article-body strong,.w-e-text-container [data-slate-editor] strong{font-weight:700;color:var(--ink)}.article-body a,.w-e-text-container [data-slate-editor] a{color:var(--accent);text-decoration:underline}.article-body img,.w-e-text-container [data-slate-editor] img{border-radius:var(--radius);margin:1.2rem 0;max-width:100%;height:auto}.article-body blockquote,.w-e-text-container [data-slate-editor] blockquote{margin:0 0 1.1rem;padding:.8rem 1.1rem;background:var(--accent-faint);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;color:var(--ink-muted)}