:root{--color-bg: #ffffff;--color-fg: #1d1d1f;--color-muted: #6e6e73;--color-line: #d2d2d7;--color-accent: #0071e3;--color-card: #f5f5f7;--font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-text: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;--max-w: 1200px;--radius: 18px}@media (prefers-color-scheme: dark){:root{--color-bg: #000000;--color-fg: #f5f5f7;--color-muted: #86868b;--color-line: #2a2a2c;--color-accent: #2997ff;--color-card: #161617}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-fg);font-family:var(--font-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:17px;line-height:1.5;text-autospace:normal;text-spacing-trim:normal}.article .content,.md-preview .content{text-autospace:ideograph-alpha ideograph-numeric}a{color:inherit;text-decoration:none}a:hover{color:var(--color-accent)}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 22px}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:color-mix(in srgb,var(--color-bg) 80%,transparent);border-bottom:1px solid var(--color-line)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:52px}.site-header .brand-wrap{display:inline-flex;align-items:baseline;gap:9px;min-width:0}.site-header .brand{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;flex-shrink:0}.site-header .brand-sep{font-family:var(--font-display);font-size:19px;color:var(--color-muted);opacity:.45;font-weight:300;user-select:none}.site-header .brand-sub{font-family:var(--font-display);font-weight:500;font-size:19px;letter-spacing:-.01em;color:var(--color-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.site-header .brand-sub:hover{color:var(--color-fg)}.site-header nav{display:flex;gap:28px;font-size:13px;color:var(--color-muted)}.site-header nav a:hover{color:var(--color-fg)}.newsroom-hero{padding:80px 0 56px;border-bottom:1px solid var(--color-line)}.newsroom-hero .eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted);margin-bottom:14px}.newsroom-hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6vw,80px);line-height:1.05;letter-spacing:-.03em;margin:0 0 18px}.newsroom-hero p{font-size:21px;color:var(--color-muted);max-width:780px;margin:0}.category-strip{position:sticky;top:52px;z-index:40;background:var(--color-bg);border-bottom:1px solid var(--color-line);overflow-x:auto;scrollbar-width:none}.category-strip::-webkit-scrollbar{display:none}.category-strip .inner{display:flex;gap:28px;height:46px;align-items:center;font-size:13px;color:var(--color-muted);white-space:nowrap}.category-strip a{padding:6px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.category-strip a:hover{color:var(--color-fg)}.category-strip a.active{color:var(--color-fg);border-bottom-color:var(--color-fg)}.post-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;padding:56px 0 96px;max-width:1060px;margin:0 auto}.post-card{grid-column:span 4;display:flex;flex-direction:column;background:var(--color-card);border-radius:var(--radius);overflow:hidden}.post-card.feature{grid-column:span 8}.post-card.wide{grid-column:span 6}.post-card .cover{aspect-ratio:16 / 10;background:linear-gradient(135deg,#e8e8ed,#d2d2d7);background-size:cover;background-position:center}.post-card.feature .cover{aspect-ratio:16 / 9}.post-card .body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1}.post-card.no-cover .body{padding-top:36px}.post-card.no-cover h2{font-size:26px}.post-card.no-cover.feature h2{font-size:38px}.post-card .category{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-muted)}.post-card h2{font-family:var(--font-display);font-weight:600;font-size:22px;line-height:1.2;letter-spacing:-.015em;margin:0}.post-card.feature h2{font-size:32px}.post-card .subtitle{color:var(--color-muted);font-size:15px;margin:0}.post-card .date{margin-top:auto;font-size:12px;color:var(--color-muted)}@media (max-width: 900px){.post-card,.post-card.feature,.post-card.wide{grid-column:span 12}}.article{padding:64px 0 96px;max-width:720px;margin:0 auto}.article .eyebrow{font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-muted);margin-bottom:18px}.article h1{font-family:var(--font-display);font-weight:700;font-size:clamp(34px,4.5vw,56px);line-height:1.1;letter-spacing:-.025em;margin:0 0 16px}.article .subtitle{font-size:22px;color:var(--color-muted);margin:0 0 24px}.article .meta{font-size:13px;color:var(--color-muted);margin-bottom:40px}.article .cover{width:100%;aspect-ratio:16 / 9;border-radius:var(--radius);background-size:cover;background-position:center;margin-bottom:40px}.article .content{font-size:19px;line-height:1.7}.article .content h2{font-family:var(--font-display);font-weight:600;font-size:28px;letter-spacing:-.015em;margin:56px 0 18px}.article .content h3{font-size:22px;margin:40px 0 14px}.article .content p{margin:0 0 22px}.article .content a{color:var(--color-accent)}.article .content a:hover{text-decoration:underline}.article .content blockquote{border-left:3px solid var(--color-fg);padding-left:22px;margin:28px 0;color:var(--color-muted);font-style:italic}.article .content code{font-family:var(--font-mono);font-size:.92em;background:var(--color-card);padding:2px 6px;border-radius:5px}.article .content pre{font-family:var(--font-mono);background:var(--color-card);padding:20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.55}.article .content pre code{background:none;padding:0}.article .content img{border-radius:12px;margin:28px 0}.md-divider{display:flex;align-items:center;justify-content:center;gap:14px;margin:64px 0;height:6px}.md-divider span{display:block;width:4px;height:4px;border-radius:50%;background:var(--color-muted);opacity:.55}@media (max-width: 700px){.md-divider{margin:48px 0;gap:11px}}.hero-cover{position:relative;width:100%;min-height:78vh;max-height:880px;background-color:var(--color-card);display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}@media (max-width: 700px){.hero-cover{min-height:62vh}}.hero-cover .hero-image{position:absolute;top:0;left:0;right:0;height:145%;background-size:cover;background-position:center;will-change:transform;z-index:0}.hero-cover .hero-blur{position:absolute;left:0;right:0;bottom:0;height:45%;pointer-events:none;z-index:1}.hero-cover .blur-layer{position:absolute;inset:0;backdrop-filter:blur(var(--b));-webkit-backdrop-filter:blur(var(--b));-webkit-mask-image:linear-gradient(to top,#000 var(--start),transparent var(--end));mask-image:linear-gradient(to top,#000 var(--start),transparent var(--end))}.hero-cover .hero-mask{position:absolute;inset:0;pointer-events:none;z-index:2;background:linear-gradient(to top,var(--color-bg) 0%,color-mix(in srgb,var(--color-bg) 96%,transparent) 12%,color-mix(in srgb,var(--color-bg) 82%,transparent) 28%,color-mix(in srgb,var(--color-bg) 55%,transparent) 48%,color-mix(in srgb,var(--color-bg) 25%,transparent) 68%,color-mix(in srgb,var(--color-bg) 8%,transparent) 84%,transparent 100%)}.hero-cover .hero-content{position:relative;z-index:3;padding:0 22px 64px;max-width:var(--max-w);width:100%}.hero-cover .eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-fg);opacity:.8;margin-bottom:18px}.hero-cover h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6.5vw,88px);line-height:1.02;letter-spacing:-.035em;margin:0 0 18px;color:var(--color-fg);max-width:14ch}.hero-cover .hero-subtitle{font-size:clamp(18px,2vw,24px);line-height:1.35;color:var(--color-muted);margin:0 0 18px;max-width:36ch}.hero-cover .meta{font-size:13px;color:var(--color-muted)}.hero-cover .visibility-tag{margin-left:6px;opacity:.8}@media (max-width: 700px){.hero-cover .hero-content{padding:0 16px 40px}.hero-cover h1{max-width:100%}}.article.hero-after{padding:48px 0 96px}.article.hero-after .cover{display:none}.md-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}.md-row>p{margin:0}.md-row img{width:100%;height:100%;object-fit:cover;margin:0;border-radius:12px;aspect-ratio:4 / 5}@media (max-width: 600px){.md-row{grid-template-columns:1fr}.md-row img{aspect-ratio:auto}}.md-carousel{position:relative;margin:32px -22px}.md-carousel-scroll{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 22px;padding:0 22px 8px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.md-carousel-scroll::-webkit-scrollbar{display:none}.md-carousel-scroll>p{flex:0 0 78%;scroll-snap-align:center;margin:0}.md-carousel-scroll img{width:100%;margin:0;border-radius:14px;aspect-ratio:4 / 3;object-fit:cover}.md-carousel-dots{display:flex;gap:6px;justify-content:center;margin-top:14px}.md-carousel-dot{width:7px;height:7px;padding:0;border-radius:50%;border:0;background:var(--color-muted);opacity:.35;cursor:pointer;transition:opacity .2s,transform .2s}.md-carousel-dot:hover{opacity:.7}.md-carousel-dot.active{opacity:1;transform:scale(1.2);background:var(--color-fg)}@media (min-width: 800px){.md-carousel-scroll>p{flex-basis:52%}}.pwgate-wrap{display:flex;align-items:center;justify-content:center;min-height:70vh;padding:40px 22px}.pwgate-card{width:100%;max-width:360px;text-align:center;background:var(--color-card);border:1px solid var(--color-line);border-radius:18px;padding:40px 32px}.pwgate-card .pwgate-lock{font-size:28px;margin-bottom:14px}.pwgate-card h1{font-family:var(--font-display);font-weight:600;font-size:22px;letter-spacing:-.02em;margin:0 0 6px}.pwgate-card p{color:var(--color-muted);font-size:14px;margin:0 0 22px}.pwgate-form{display:flex;flex-direction:column;gap:10px}.pwgate-form input{font:inherit;font-size:16px;width:100%;padding:12px 14px;border:1px solid var(--color-line);border-radius:10px;background:var(--color-bg);color:var(--color-fg);-webkit-appearance:none;appearance:none}.pwgate-form input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--color-accent) 25%,transparent)}.pwgate-form button{font:inherit;font-size:14px;font-weight:500;height:42px;padding:0 18px;border:0;border-radius:980px;background:var(--color-fg);color:var(--color-bg);cursor:pointer}.pwgate-err{color:#d70015!important;font-size:13px;margin:14px 0 0!important}.pwgate-back{display:inline-block;margin-top:18px;font-size:13px;color:var(--color-muted)}.article .visibility-tag{margin-left:6px;opacity:.7}.site-footer{border-top:1px solid var(--color-line);padding:32px 0 56px;font-size:12px;color:var(--color-muted)}.empty{text-align:center;padding:120px 0;color:var(--color-muted)}.empty h2{font-family:var(--font-display);font-weight:600;font-size:28px;color:var(--color-fg);margin:0 0 10px}