*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#f5f6f8;--bg-secondary:#fff;--bg-tertiary:#eef0f4;--bg-hover:#e8eaef;--text-primary:#1a1a2e;--text-secondary:#5a6072;--text-tertiary:#8b90a0;--border-color:#e2e4ea;--border-light:#eff0f3;--accent:#3b82f6;--accent-hover:#2563eb;--accent-light:#3b82f614;--accent-muted:#3b82f626;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 24px #00000014;--shadow-card-hover:0 8px 30px #0000001a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--sidebar-width:240px;--header-height:64px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", 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0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=768px){:root{--sidebar-width:0px}.main-content{margin-left:0}.page-content{padding:16px}}.header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:100;transition:background var(--transition-normal), border-color var(--transition-normal);position:fixed;top:0;left:0;right:0}.header-inner{align-items:center;gap:16px;max-width:100%;height:100%;padding:0 24px;display:flex}.header-left{align-items:center;gap:12px;min-width:fit-content;display:flex}.mobile-menu-btn{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-secondary);transition:all var(--transition-fast);justify-content:center;align-items:center;display:none}.mobile-menu-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.logo{color:var(--text-primary);align-items:center;gap:8px;text-decoration:none;display:flex}.logo-icon{font-size:22px;line-height:1}.logo-text{letter-spacing:-.3px;font-size:18px;font-weight:700}.search-form{flex:1;align-items:center;max-width:480px;margin:0 auto;display:flex;position:relative}.search-icon{color:var(--text-tertiary);pointer-events:none;transition:color var(--transition-fast);position:absolute;left:12px}.search-form.focused .search-icon{color:var(--accent)}.search-input{background:var(--bg-tertiary);border-radius:var(--radius-lg);width:100%;height:38px;color:var(--text-primary);transition:all var(--transition-fast);border:1.5px solid #0000;outline:none;padding:0 36px 0 38px;font-size:13.5px}.search-input::placeholder{color:var(--text-tertiary)}.search-input:focus{background:var(--bg-secondary);border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.search-clear{width:24px;height:24px;color:var(--text-tertiary);transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;right:8px}.search-clear:hover{background:var(--bg-hover);color:var(--text-primary)}.header-right{align-items:center;gap:4px;min-width:fit-content;display:flex}.header-btn{border-radius:var(--radius-md);width:38px;height:38px;color:var(--text-secondary);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex;position:relative}.header-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.bookmark-badge{background:var(--accent);color:#fff;border-radius:99px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 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10px}.trending-title{max-width:200px}}.news-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-normal);flex-direction:column;display:flex;overflow:hidden}.news-card:hover{border-color:var(--accent-muted);box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.card-image-link{text-decoration:none;display:block}.card-image{background:var(--bg-tertiary);width:100%;height:160px;overflow:hidden}.card-image img{object-fit:cover;width:100%;height:100%;transition:transform var(--transition-slow)}.news-card:hover .card-image img{transform:scale(1.04)}.card-body{flex-direction:column;flex:1;gap:8px;padding:14px 16px 16px;display:flex}.card-meta{color:var(--text-tertiary);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.card-source{color:var(--text-secondary);align-items:center;gap:4px;font-weight:600;display:flex}.source-icon{font-size:13px;line-height:1}.card-domain{background:var(--bg-tertiary);border-radius:var(--radius-sm);padding:1px 6px;font-size:11px}.card-time{color:var(--text-tertiary);font-size:11.5px}.card-title{letter-spacing:-.2px;font-size:15px;font-weight:600;line-height:1.4}.card-title a{color:var(--text-primary);transition:color var(--transition-fast);text-decoration:none}.card-title 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spin}@keyframes spin{to{transform:rotate(360deg)}}.feed-load-more{justify-content:center;padding:28px;display:flex}.load-more-btn{background:var(--bg-secondary);border:1.5px solid var(--border-color);border-radius:var(--radius-lg);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);padding:10px 32px;font-size:13.5px;font-weight:500}.load-more-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}@media (width<=640px){.news-grid{grid-template-columns:1fr;gap:12px}}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}.new-articles-banner{background:var(--accent-light);border:1.5px solid var(--accent-muted);border-radius:var(--radius-md);width:100%;color:var(--accent);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:10px;margin-bottom:18px;padding:12px 20px;font-size:13.5px;font-weight:500;animation:.35s ease-out slideDown;display:flex}.new-articles-banner:hover{background:var(--accent-muted);border-color:var(--accent)}.banner-bell{font-size:15px;animation:2s ease-in-out infinite ring}@keyframes ring{0%,to{transform:rotate(0)}10%{transform:rotate(14deg)}20%{transform:rotate(-14deg)}30%{transform:rotate(10deg)}40%{transform:rotate(-6deg)}50%{transform:rotate(0)}}.banner-text{font-weight:600}.banner-action{opacity:.7;font-size:12px}.page{animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-header{margin-bottom:22px}.page-title{color:var(--text-primary);letter-spacing:-.3px;align-items:center;gap:8px;font-size:22px;font-weight:700;display:flex}.page-title-icon{font-size:24px;line-height:1}.page-subtitle{color:var(--text-tertiary);margin-top:4px;font-size:13.5px}