:root{--bg: oklch(16% .02 260);--surface: oklch(20% .02 260);--surface-2: oklch(24% .018 260);--fg: oklch(96% .005 250);--muted: oklch(64% .015 250);--faint: oklch(46% .015 250);--border: oklch(30% .02 260);--border-2: oklch(36% .02 260);--accent: oklch(72% .14 230);--accent-2: oklch(56% .13 230);--hot: oklch(73% .165 52);--warm: oklch(74% .11 60);--cool: oklch(70% .04 230);--cat-machines: oklch(72% .13 240);--cat-components: oklch(74% .11 195);--cat-materials: oklch(78% .14 150);--cat-robotics: oklch(70% .11 295);--cat-industry: oklch(74% .13 70);--cat-trade-shows: oklch(72% .14 12);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--radius: 12px;--radius-sm: 8px;--pad: clamp(16px, 3vw, 28px);--content-max: 1320px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:oklch(82% .15 230)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}.kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}.topbar{position:sticky;top:0;z-index:50;background:color-mix(in oklch,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.topbar-inner{max-width:var(--content-max);margin:0 auto;padding:12px var(--pad);display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em}.brand .mark{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:oklch(16% .04 230);font-family:var(--font-mono);font-weight:800;font-size:15px}.brand small{display:block;font-size:10.5px;font-weight:500;color:var(--faint);letter-spacing:.06em;font-family:var(--font-mono)}.topnav{display:flex;gap:4px;margin-left:8px}.topnav a{color:var(--muted);font-size:13.5px;padding:7px 12px;border-radius:8px}.topnav a:hover,.topnav a.active{color:var(--fg);background:var(--surface)}.search{flex:1;max-width:360px;margin-left:auto;position:relative}.search input{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--fg);padding:9px 12px 9px 34px;border-radius:9px;font-size:13.5px;font-family:var(--font-sans);transition:border-color .15s}.search input::placeholder{color:var(--faint)}.search input:focus{outline:none;border-color:var(--accent)}.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--faint)}.btn{font-family:var(--font-sans);font-size:13px;font-weight:600;cursor:pointer;border-radius:9px;padding:8px 14px;border:1px solid var(--border);background:var(--surface);color:var(--fg);transition:all .15s;white-space:nowrap}.btn:hover{border-color:var(--border-2);background:var(--surface-2)}.btn-accent{background:var(--accent);border-color:var(--accent);color:oklch(16% .04 230)}.btn-accent:hover{background:#3ac7ff;border-color:#3ac7ff}.shell{max-width:var(--content-max);margin:0 auto;padding:var(--pad);display:grid;grid-template-columns:232px 1fr;gap:var(--pad);align-items:start}.side{position:sticky;top:76px;display:flex;flex-direction:column;gap:22px}.side-block{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.side-head{padding:12px 14px 8px}.side-body{padding:4px 8px 10px;display:flex;flex-direction:column;gap:1px}.cat-link{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:8px;color:var(--muted);font-size:13.5px;cursor:pointer;user-select:none}.cat-link:hover,.cat-link.active{background:var(--surface-2);color:var(--fg)}.cat-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.cat-link .count{margin-left:auto;font-family:var(--font-mono);font-size:11.5px;color:var(--faint)}.src-link{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:7px;color:var(--muted);font-size:12.5px;cursor:pointer;user-select:none}.src-link:hover{color:var(--fg)}.src-link .chk{width:14px;height:14px;border-radius:4px;border:1.5px solid var(--border-2);display:grid;place-items:center;flex-shrink:0}.src-link.on .chk{background:var(--accent);border-color:var(--accent)}.src-link.on .chk:after{content:"";width:7px;height:4px;border-left:2px solid oklch(16% .04 230);border-bottom:2px solid oklch(16% .04 230);transform:rotate(-45deg) translate(1px,-1px)}.hot-item{display:flex;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer}.hot-item:hover{background:var(--surface-2)}.hot-rank{font-family:var(--font-mono);font-size:13px;color:var(--faint);width:16px;flex-shrink:0;font-variant-numeric:tabular-nums}.hot-item:nth-child(-n+3) .hot-rank{color:var(--hot);font-weight:700}.hot-title{font-size:12.5px;color:var(--muted);line-height:1.4}.hot-item:hover .hot-title{color:var(--fg)}.feed-head{display:flex;align-items:baseline;gap:12px;margin-bottom:6px;flex-wrap:wrap}.feed-head h1{font-size:22px;font-weight:700;letter-spacing:-.015em}.feed-head .meta{color:var(--faint);font-size:12.5px;font-family:var(--font-mono)}.seg{display:inline-flex;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:3px;margin-left:auto}.seg button{font-family:var(--font-sans);font-size:12.5px;color:var(--muted);background:transparent;border:0;padding:5px 12px;border-radius:6px;cursor:pointer}.seg button.on{background:var(--surface-2);color:var(--fg)}.timeline{position:relative;margin-top:14px}.tl-item{display:grid;grid-template-columns:108px 1fr;gap:16px;position:relative;padding:0}.tl-item.hidden{display:none}.tl-rail{position:relative;padding-top:2px}.tl-rail:before{content:"";position:absolute;left:6px;top:4px;bottom:-18px;width:1px;background:var(--border)}.tl-item:last-child .tl-rail:before{bottom:50%}.tl-dot{position:absolute;left:0;top:6px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--border-2);z-index:1}.tl-dot.s5{border-color:var(--hot);box-shadow:0 0 0 3px color-mix(in oklch,var(--hot) 22%,transparent)}.tl-dot.s4{border-color:var(--hot)}.tl-dot.s3{border-color:var(--warm)}.tl-dot.s2,.tl-dot.s1{border-color:var(--cool);opacity:.7}.tl-time{font-family:var(--font-mono);font-size:11px;color:var(--faint);padding-left:26px;padding-top:4px;line-height:1.45}.tl-time b{display:block;color:var(--muted);font-weight:600;font-size:12px}.tl-time .abs{font-size:10.5px}.tl-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:16px 18px;margin-bottom:18px;transition:border-color .15s;position:relative}.tl-card:hover{border-color:var(--border-2)}.tl-item.featured .tl-card{border-color:color-mix(in oklch,var(--hot) 45%,var(--border))}.tl-head{display:flex;align-items:center;gap:8px;margin-bottom:9px;flex-wrap:wrap}.src-badge{display:inline-flex;align-items:center;gap:5px;font-family:var(--font-mono);font-size:11px;color:var(--muted);background:var(--surface-2);padding:3px 8px;border-radius:5px;border:1px solid var(--border)}.src-badge svg{width:12px;height:12px}.dup{font-family:var(--font-mono);font-size:10.5px;color:var(--accent);background:color-mix(in oklch,var(--accent) 14%,transparent);padding:3px 7px;border-radius:5px}.tl-score{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12px}.tl-score .label{color:var(--faint);text-transform:uppercase;letter-spacing:.1em;font-size:9.5px}.tl-score .val{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}.tl-score .val.s5,.val.s4{color:var(--hot)}.tl-score .val.s3{color:var(--warm)}.tl-score .val.s2,.val.s1{color:var(--cool)}.cat-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid}.cat-chip .d{width:6px;height:6px;border-radius:50%}.c-machines{color:var(--cat-machines);border-color:color-mix(in oklch,var(--cat-machines) 40%,transparent)}.c-machines .d{background:var(--cat-machines)}.c-components{color:var(--cat-components);border-color:color-mix(in oklch,var(--cat-components) 40%,transparent)}.c-components .d{background:var(--cat-components)}.c-materials{color:var(--cat-materials);border-color:color-mix(in oklch,var(--cat-materials) 40%,transparent)}.c-materials .d{background:var(--cat-materials)}.c-robotics{color:var(--cat-robotics);border-color:color-mix(in oklch,var(--cat-robotics) 40%,transparent)}.c-robotics .d{background:var(--cat-robotics)}.c-industry{color:var(--cat-industry);border-color:color-mix(in oklch,var(--cat-industry) 40%,transparent)}.c-industry .d{background:var(--cat-industry)}.c-trade-shows{color:var(--cat-trade-shows);border-color:color-mix(in oklch,var(--cat-trade-shows) 40%,transparent)}.c-trade-shows .d{background:var(--cat-trade-shows)}.tl-title{font-size:16.5px;font-weight:700;line-height:1.35;letter-spacing:-.01em;margin-bottom:7px}.tl-title a{color:var(--fg)}.tl-card:hover .tl-title a{color:var(--accent)}.tl-summary{color:var(--muted);font-size:13.5px;line-height:1.6;margin-bottom:11px}.tl-reason{display:flex;gap:9px;padding:9px 12px;border-radius:9px;background:color-mix(in oklch,var(--accent) 8%,transparent);border:1px solid color-mix(in oklch,var(--accent) 22%,transparent);margin-bottom:11px;font-size:12.5px;line-height:1.5}.tl-reason .rlabel{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);flex-shrink:0;padding-top:2px}.tl-reason .rbody{color:var(--fg)}.tl-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-family:var(--font-mono);font-size:10.5px;color:var(--faint);background:var(--surface-2);padding:3px 8px;border-radius:5px;border:1px solid var(--border)}.empty,.feed-empty{text-align:center;padding:60px 20px;color:var(--faint);font-size:14px}.footer{max-width:var(--content-max);margin:40px auto 0;padding:24px var(--pad);border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;color:var(--faint);font-size:12px;flex-wrap:wrap}.footer a{color:var(--muted)}.article{max-width:760px;margin:0 auto;padding:var(--pad) 0}.article .back{font-size:13px;color:var(--muted)}.article h1{font-size:clamp(26px,4vw,36px);line-height:1.2;letter-spacing:-.02em;margin:14px 0 16px}.article .meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--border)}.article .prose{font-size:15.5px;line-height:1.8;color:var(--fg)}.article .prose p{margin-bottom:16px}.article .prose h2{font-size:18px;margin:26px 0 12px;letter-spacing:-.01em}.article .prose a{text-decoration:underline;text-underline-offset:3px}.buyer-callout{margin:26px 0;padding:16px 18px;border-radius:var(--radius);background:color-mix(in oklch,var(--accent) 10%,transparent);border:1px solid color-mix(in oklch,var(--accent) 28%,transparent)}.buyer-callout .rlabel{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:8px}.field-panel{margin-top:30px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.field-panel .fp-head{padding:12px 16px;border-bottom:1px solid var(--border)}.field-panel dl{padding:8px 16px 14px;display:grid;grid-template-columns:130px 1fr;gap:6px 12px}.field-panel dt{color:var(--faint);font-family:var(--font-mono);font-size:11px}.field-panel dd{color:var(--muted);font-size:13px;word-break:break-all}.related{margin-top:30px}.related h3{font-size:14px;color:var(--muted);margin-bottom:12px}.related .rel-item{display:block;padding:10px 0;border-top:1px solid var(--border);font-size:14px;color:var(--fg)}.related .rel-item:hover{color:var(--accent)}.related .rel-item .rscore{float:right;font-family:var(--font-mono);font-size:12px;color:var(--faint)}.digest{max-width:820px;margin:0 auto;padding:var(--pad) 0}.digest .d-date{font-family:var(--font-mono);color:var(--faint);font-size:13px;letter-spacing:.1em}.digest h1{font-size:clamp(28px,4.5vw,40px);line-height:1.15;letter-spacing:-.02em;margin:8px 0 6px}.digest .lede{color:var(--muted);font-size:15px;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--border)}.digest-group{margin-bottom:30px}.digest-group h2{display:flex;align-items:center;gap:8px;font-size:16px;margin-bottom:12px}.digest-group h2 .gd{width:8px;height:8px;border-radius:50%}.digest-card{display:block;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:10px;transition:border-color .15s}.digest-card:hover{border-color:var(--border-2)}.digest-card .dc-title{font-size:14.5px;font-weight:600;color:var(--fg);margin-bottom:5px}.digest-card:hover .dc-title{color:var(--accent)}.digest-card .dc-sum{font-size:13px;color:var(--muted);line-height:1.55}.digest-card .dc-meta{display:flex;gap:8px;align-items:center;margin-top:8px}@media(max-width:900px){.shell{grid-template-columns:1fr}.side{position:static;flex-direction:row;overflow-x:auto;gap:12px;padding-bottom:4px}.side-block{min-width:230px;flex-shrink:0}.topnav{display:none}}@media(max-width:600px){.tl-item{grid-template-columns:64px 1fr;gap:10px}.tl-time .abs{display:none}.tl-card{padding:14px}.tl-title{font-size:15px}.search,.brand small{display:none}}.star-btn{background:transparent;border:1px solid var(--border-2);color:var(--faint);cursor:pointer;font-size:18px;line-height:1;width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;transition:all .15s ease;padding:0}.star-btn:hover{border-color:var(--hot);color:var(--hot)}.star-btn.is-starred,.star-btn.is-starred:hover{background:color-mix(in oklch,var(--hot) 18%,transparent);border-color:var(--hot);color:var(--hot)}.star-btn-lg{width:40px;height:40px;font-size:22px}.tl-card{position:relative}.tl-card .star-btn{position:absolute;bottom:8px;right:8px;z-index:2}.digest-card-wrap{position:relative}.digest-card-wrap .star-btn{position:absolute;bottom:8px;right:8px;z-index:2}.agent-callout .side-body{display:flex;flex-direction:column;gap:6px}.agent-link{display:block;padding:6px 10px;border-radius:6px;background:color-mix(in oklch,var(--hot) 10%,transparent);border:1px solid color-mix(in oklch,var(--hot) 30%,transparent);color:var(--fg);font-size:13px;text-decoration:none;transition:background .15s ease}.agent-link:hover{background:color-mix(in oklch,var(--hot) 20%,transparent)}.article-title-row{display:flex;align-items:center;gap:12px}.article-title-row h1{flex:1;margin:0}.starred-list{list-style:none;padding:0}.starred-list li{padding:12px 0;border-bottom:1px solid var(--border)}.starred-list .title{font-weight:600;display:block}.muted{color:var(--muted)}.small{font-size:12px}