@font-face{font-family:RikanFallback;src:local("PingFang SC"),local("Microsoft YaHei")}:root{--color-ink: #111111;--color-paper: #faf8f3;--color-ai-blue: #1769ff;--color-hot: #ff4d2d;--color-border: #e7e7e7;--color-card: #ffffff;--color-muted: #6f6f6f;--color-soft: #f1eee7;--max-page: 1180px;--max-article: 800px;--max-article-header: 840px}*{box-sizing:border-box}html{background:var(--color-paper);color:var(--color-ink)}body{margin:0;font-family:RikanFallback,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.65;letter-spacing:0;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}a:hover{color:var(--color-ai-blue)}img{max-width:100%;height:auto;display:block}.site-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{border-bottom:1px solid var(--color-ink);background:#faf8f3f5;position:sticky;top:0;z-index:10}.header-inner{max-width:var(--max-page);margin:0 auto;min-height:72px;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand-lockup{display:flex;align-items:center;gap:14px;min-width:0}.brand-lockup img{width:116px}.brand-meta{font-size:12px;line-height:1.2;color:var(--color-muted);text-transform:uppercase}.nav{display:flex;align-items:center;gap:20px;font-size:14px;white-space:nowrap}main{flex:1}.page{max-width:var(--max-page);margin:0 auto;padding:36px 24px 72px}.hero{min-height:360px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:36px;align-items:start;border-bottom:1px solid var(--color-ink);padding:34px 0}.kicker{color:var(--color-ai-blue);font-size:13px;font-weight:700;text-transform:uppercase}.h1{margin:14px 0 16px;font-size:clamp(38px,5vw,64px);line-height:1.04;font-weight:800;white-space:nowrap}.lead{font-size:18px;color:#333;max-width:720px}.hero-date{font-size:15px;color:var(--color-muted)}.panel{border:1px solid var(--color-border);background:var(--color-card);border-radius:8px;padding:22px}.hero-card{align-self:start;display:flex;flex-direction:column;min-height:0;margin-top:0}.hero-card h2{margin:14px 0 12px;font-size:22px;line-height:1.3}.hero-card p{margin:0;color:#444}.section{padding:38px 0;border-bottom:1px solid var(--color-border)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section h2{margin:0;font-size:26px;line-height:1.2}.section-note{margin:0;color:var(--color-muted);font-size:14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.list{display:grid;gap:12px}.card{border:1px solid var(--color-border);background:var(--color-card);border-radius:8px;padding:18px;transition:border-color .16s ease,background .16s ease}.card:hover{border-color:var(--color-ink);background:#fff}.card h3{margin:0 0 8px;font-size:20px;line-height:1.35}.card p{margin:0;color:#444}.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;color:var(--color-muted);font-size:13px}.tag{border:1px solid var(--color-border);border-radius:999px;padding:2px 8px;background:var(--color-paper)}.tag-blue{border-color:#1769ff52;color:var(--color-ai-blue)}.article{max-width:var(--max-article-header);margin:0 auto;padding:44px 24px 72px}.article-header{border-bottom:1px solid var(--color-ink);padding-bottom:26px;margin-bottom:34px}.article-header .lead{max-width:var(--max-article)}.issue-title{margin:14px 0 0;font-size:18px;font-weight:800;color:var(--color-ink)}.article h1{max-width:var(--max-article-header);font-size:clamp(32px,3.6vw,42px);line-height:1.18;margin:12px 0 18px}.article>:global(:not(.article-header)){max-width:var(--max-article);margin-left:auto;margin-right:auto}.article :global(h2),.article h2{margin-top:34px;font-size:28px;line-height:1.25}.article :global(h3),.article h3{margin-top:26px;font-size:21px}.article :global(p),.article p{color:#333}.article :global(li),.article li{margin-top:6px;margin-bottom:6px}.article :global(a),.article a{color:var(--color-ai-blue);text-decoration:underline;text-underline-offset:3px}.trust-box,.source-list{max-width:var(--max-article);margin:0 auto 30px;border:1px solid var(--color-border);background:var(--color-card);border-radius:8px;padding:18px}.trust-box h2,.source-list h2{margin:0 0 8px;font-size:20px}.trust-box p{margin:0 0 8px;color:#444}.source-list ol{margin:0;padding-left:22px}.site-footer{border-top:1px solid var(--color-ink);padding:26px 24px;color:var(--color-muted);font-size:13px}.footer-inner{max-width:var(--max-page);margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}@media(max-width:820px){.header-inner{align-items:flex-start;flex-direction:column;gap:10px}.nav{width:100%;overflow-x:auto;padding-bottom:2px}.hero{grid-template-columns:1fr;min-height:auto;padding-top:28px}.hero-card{min-height:auto;margin-top:0}.h1{white-space:normal;font-size:clamp(38px,12vw,54px)}.grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.footer-inner{flex-direction:column}}