:root{color-scheme:light;--bg-page: #f7f8fa;--bg-panel: #ffffff;--bg-muted: #f1f3f5;--border: #e5e7eb;--border-strong: #d1d5db;--text-main: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--primary: #0ea5a4;--primary-hover: #0d9488;--primary-soft: #ccfbf1;--primary-dark: #115e59;--blue: #2563eb;--amber: #f59e0b;--red: #ef4444;--green: #10b981;--purple: #8b5cf6;--ai-bg: #faf5ff;--ai-border: #e9d5ff;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;font-family:Inter,PingFang SC,Microsoft YaHei,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-page);color:var(--text-main);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg-page)}button,input,select,textarea{font:inherit}button{cursor:pointer}.appShell{min-height:100vh;display:grid;grid-template-columns:186px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:14px 12px 18px;border-right:1px solid var(--border);background:var(--bg-panel);display:flex;flex-direction:column}.brand{height:68px;border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-main);text-decoration:none;display:flex;align-items:center;justify-content:center;gap:5px;font-size:23px;letter-spacing:0;font-weight:800;background:var(--bg-panel)}.brand i{width:18px;height:18px;border:1px solid var(--primary);border-radius:50%;position:relative}.brand i:after{content:"";position:absolute;top:5px;right:2px;bottom:5px;left:9px;background:var(--primary)}.brand strong{color:var(--primary)}.nav{display:grid;gap:8px;margin-top:18px}.nav a{height:42px;border-radius:var(--radius-md);color:var(--text-secondary);text-decoration:none;display:flex;align-items:center;gap:12px;padding:0 14px;border:1px solid transparent}.nav a.active,.nav a:hover{color:var(--primary-dark);border-color:transparent;background:var(--primary-soft);font-weight:600}.sidebarBottom{margin-top:auto;height:34px;border:1px solid var(--border);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-around}.sidebarBottom span{width:8px;height:8px;border-radius:50%;background:var(--text-muted)}.page{min-width:0;padding:var(--space-6) 32px 48px}.feedHero{min-height:132px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel);padding:var(--space-5);display:grid;grid-template-columns:1fr minmax(220px,18vw);grid-template-areas:"title search" "tabs tabs";gap:20px;box-shadow:0 1px 2px #1118270a}.feedHero h1,.adminHeader h1,.loginPanel h1{margin:0;font-size:22px;line-height:1.2;font-weight:600}.feedHero p,.adminHeader p{margin:8px 0 0;color:var(--text-secondary);font-size:13px}.searchBox{grid-area:search;align-self:start;height:40px;border:1px solid var(--border);border-radius:var(--radius-md);display:flex;align-items:center;gap:8px;padding:0 12px;background:var(--bg-muted);color:var(--text-secondary)}.searchBox input,.compactForm input,.compactForm select,.compactForm textarea,.loginPanel input{width:100%;min-width:0;border:1px solid rgba(139,160,194,.2);border-color:var(--border);border-radius:var(--radius-md);color:var(--text-main);background:var(--bg-panel);outline:none}.searchBox input{border:0;background:transparent}.tabs{grid-area:tabs;display:flex;align-items:center;width:fit-content;max-width:100%;gap:8px;padding:4px;border:1px solid rgba(139,160,194,.26);border-color:var(--border);border-radius:var(--radius-lg);overflow-x:auto}.feedControls{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:12px}.feedControls select{height:34px;min-width:120px;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-main);background:var(--bg-panel);padding:0 10px}.segmented{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--border);border-radius:var(--radius-md)}.segmented button{width:52px;height:26px;border:0;border-radius:var(--radius-sm);color:var(--text-secondary);background:transparent}.segmented button.selected{color:var(--primary-dark);background:var(--primary-soft)}.tabs button{min-width:68px;height:30px;border-radius:var(--radius-md);border:0;color:var(--text-secondary);background:transparent}.tabs button.selected{color:var(--primary-dark);background:var(--primary-soft);box-shadow:inset 0 0 0 1px #0ea5a438}.timeline{padding-top:22px}.dayGroup{display:grid;gap:12px}.dayLabel{margin-left:34px;color:var(--text-muted);display:flex;align-items:center;gap:8px}.articleRow{display:grid;grid-template-columns:72px 18px minmax(0,1fr);gap:10px;align-items:start}.articleRow time{padding-top:18px;color:var(--text-main);font-size:18px;font-weight:800;text-align:right}.node{position:relative;height:100%}.node:before{content:"";position:absolute;left:8px;top:0;bottom:-12px;width:1px;background:var(--border)}.node:after{content:"";position:absolute;left:4px;top:22px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:none}.articleCard{min-width:0;border:1px solid var(--border);border-left-width:3px;border-radius:10px;background:var(--bg-panel);padding:14px 16px;box-shadow:none}.briefingBoard{display:grid;gap:12px;margin-bottom:22px}.briefingHeader{display:flex;justify-content:space-between;gap:12px;align-items:end}.briefingHeader h2{margin:0;color:var(--text-main);font-size:20px}.briefingHeader span{color:var(--text-secondary);font-size:13px}.briefingList{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.briefingItem{min-width:0;border:1px solid var(--border);border-left-width:3px;border-radius:var(--radius-md);background:var(--bg-panel);padding:12px}.briefingItem h3{margin:0;color:var(--text-main);font-size:14px;line-height:1.45}.briefingItem p{margin:8px 0 0;color:var(--text-secondary);font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-critical{border-left-color:var(--red)}.card-high{border-left-color:var(--amber)}.card-medium{border-left-color:var(--blue)}.card-low{border-left-color:var(--border-strong)}.sourceLine{display:flex;flex-wrap:wrap;gap:10px;color:var(--text-muted);font-size:12px;margin-bottom:10px}.articleTitle{color:var(--text-main);text-decoration:none;font-size:15px;font-weight:600;line-height:1.45;display:inline-flex;align-items:center;gap:6px}.articleCard p{color:var(--text-secondary);line-height:1.5;margin:6px 0 0;font-size:13px}.previewImage,.previewVideo{width:min(260px,100%);max-height:260px;object-fit:cover;display:block;margin-top:14px;border-radius:var(--radius-md);border:1px solid var(--border)}.factRow{margin-top:12px;display:grid;gap:6px}.factRow span{color:#6b21a8;background:var(--ai-bg);border:1px solid var(--ai-border);border-left:2px solid var(--purple);border-radius:var(--radius-sm);padding:7px 9px;line-height:1.45;font-size:13px}.tagRow{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.tagRow span{color:#4b5563;background:#f3f4f6;padding:0 8px;min-height:22px;display:inline-flex;align-items:center;border-radius:999px;font-size:12px}.reason{margin-top:12px;color:#6b21a8;background:var(--ai-bg);border:1px solid var(--ai-border);border-radius:var(--radius-lg);padding:12px;font-size:13px}.importanceBadge{height:20px;display:inline-flex;align-items:center;padding:0 7px;border-radius:999px;font-size:12px;font-weight:600}.badge-critical{color:#b91c1c;background:#fee2e2}.badge-high{color:#92400e;background:#fef3c7}.badge-medium{color:#1d4ed8;background:#dbeafe}.badge-low{color:#4b5563;background:#f3f4f6}.loading,.emptyState{min-height:220px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);gap:10px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.adminPage{min-width:0;min-height:100vh;padding:28px clamp(18px,4vw,56px) 56px}.loginPanel,.sectionLogin{width:min(380px,calc(100vw - 48px));margin:12vh auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel);padding:24px;display:grid;gap:14px}.sectionLogin{margin-top:8vh}.sectionLogin h2{margin:0;font-size:20px}.sectionLogin span{color:var(--amber);font-size:13px}.loginPanel input,.sectionLogin input,.compactForm input,.compactForm select{height:38px;padding:0 10px}.compactForm textarea{min-height:76px;resize:vertical;padding:10px}.loginPanel button,.sectionLogin button,.compactForm button,.adminActions button{height:36px;border:1px solid transparent;border-radius:var(--radius-md);background:var(--primary);color:#fff;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px}.loginPanel button:hover,.sectionLogin button:hover,.compactForm button:hover,.adminActions button:hover{background:var(--primary-hover)}.adminShell{width:min(1220px,100%);margin:0 auto;display:grid;gap:18px}.adminHeader{display:flex;align-items:center;justify-content:space-between;gap:16px}.adminActions{display:flex;gap:10px}.adminTabs{display:flex;gap:8px;overflow-x:auto;padding:4px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel)}.adminTabs button{height:38px;min-width:110px;border:0;border-radius:10px;color:var(--text-secondary);background:transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}.adminTabs button.selected{color:var(--primary-dark);background:var(--primary-soft);box-shadow:none;font-weight:600}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric,.adminCard{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel)}.metric{min-height:86px;padding:16px;display:grid;gap:6px}.metric svg{color:var(--primary)}.metric span{color:var(--text-secondary);font-size:13px}.metric strong{font-size:24px}.adminCard{padding:18px;min-width:0}.adminCard h2{margin:0 0 16px;font-size:18px}.adminTabPanel{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:18px;align-items:start}.compactForm{display:grid;gap:8px}.accessForm{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.formSplit{display:grid;grid-template-columns:1fr 1fr;gap:8px}.checkField{height:38px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);background:var(--bg-panel);font-size:13px}.checkField input{width:auto;height:auto}.adminList{list-style:none;padding:0;margin:0;display:grid;gap:8px}.adminList li{min-width:0;border:1px solid var(--border);border-radius:var(--radius-md);padding:10px;display:flex;gap:8px;align-items:center;background:var(--bg-panel)}.adminList li>div{min-width:0;flex:1}.adminList strong,.adminList span,.adminList em{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adminList span{color:var(--text-secondary);font-size:12px}.adminList em{color:var(--amber);font-size:12px;font-style:normal}.iconButton{width:34px;height:34px;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);background:var(--bg-panel)}.inlineSelect{width:190px;max-width:30vw;height:34px;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);background:var(--bg-panel);font-size:12px}.toast{position:fixed;right:24px;bottom:24px;max-width:min(420px,calc(100vw - 48px));border:1px solid rgba(14,165,164,.28);border-radius:var(--radius-md);padding:10px 12px;color:var(--primary-dark);background:var(--primary-soft)}@media(max-width:960px){.appShell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;padding:10px;display:grid;grid-template-columns:132px 1fr;gap:10px}.brand{height:50px;border-radius:14px;font-size:19px}.nav{margin:0;display:flex;overflow-x:auto}.nav a{height:50px;min-width:108px}.sidebarBottom{display:none}.page,.adminPage{padding:14px}.feedHero{grid-template-columns:1fr;grid-template-areas:"title" "search" "tabs"}.articleRow{grid-template-columns:58px 18px minmax(0,1fr)}.articleRow time{font-size:16px}.metrics,.adminTabPanel{grid-template-columns:1fr}}@media(max-width:560px){.articleRow{grid-template-columns:1fr;gap:4px}.articleRow time{text-align:left;padding-top:6px}.node{display:none}.adminHeader{align-items:flex-start;flex-direction:column}}