:root{--cs-primary: #E60012;--cs-primary-dark: #B8000E;--cs-primary-light: #FFE5E8;--cs-primary-50: #FFF5F6;--cs-accent: #FFB800;--cs-accent-dark: #D49600;--cs-secondary: #2C2C2C;--cs-gray-50: #FAFAFA;--cs-gray-100: #F5F5F5;--cs-gray-200: #EEEEEE;--cs-gray-300: #DDDDDD;--cs-gray-400: #BBBBBB;--cs-gray-500: #888888;--cs-gray-600: #555555;--cs-gray-700: #333333;--cs-gray-900: #111111;--cs-success: #00B578;--cs-warning: #FF8F1F;--cs-danger: #E60012;--cs-info: #0084FF;--cs-bg: #F7F7F7;--cs-bg-card: #FFFFFF;--cs-bg-mask: rgba(0,0,0,.5);--cs-text: #1A1A1A;--cs-text-soft: #666666;--cs-text-muted: #999999;--cs-text-inverse:#FFFFFF;--cs-border: #EEEEEE;--cs-border-strong: #DDDDDD;--cs-divider: #F0F0F0;--cs-shadow-sm: 0 2px 8px rgba(0,0,0,.04);--cs-shadow: 0 4px 16px rgba(230,0,18,.08);--cs-shadow-lg: 0 8px 32px rgba(0,0,0,.12);--cs-shadow-red:0 4px 16px rgba(230,0,18,.16);--cs-radius-sm: 6px;--cs-radius: 12px;--cs-radius-lg: 16px;--cs-radius-xl: 24px;--cs-radius-pill: 999px;--cs-space-1: 4px;--cs-space-2: 8px;--cs-space-3: 12px;--cs-space-4: 16px;--cs-space-5: 20px;--cs-space-6: 24px;--cs-space-8: 32px;--cs-space-10: 40px;--cs-space-12: 48px;--cs-text-xs: 11px;--cs-text-sm: 13px;--cs-text-base: 15px;--cs-text-md: 17px;--cs-text-lg: 19px;--cs-text-xl: 22px;--cs-text-2xl: 28px;--cs-text-3xl: 34px;--cs-fast: .15s ease-out;--cs-base: .22s cubic-bezier(.4, 0, .2, 1);--cs-slow: .4s cubic-bezier(.4, 0, .2, 1);--cs-z-tabbar: 100;--cs-z-header: 200;--cs-z-modal: 1000;--cs-z-toast: 2000}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,sans-serif;background:var(--cs-bg);color:var(--cs-text);font-size:var(--cs-text-base);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}a{color:inherit;text-decoration:none}button{font-family:inherit}img{max-width:100%}.cs-app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--cs-bg);position:relative;padding-bottom:calc(72px + env(safe-area-inset-bottom))}.cs-header{position:sticky;top:0;z-index:var(--cs-z-header);display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:linear-gradient(135deg,var(--cs-primary) 0%,var(--cs-primary-dark) 100%);color:#fff;box-shadow:var(--cs-shadow-red)}.cs-header h1{margin:0;font-size:var(--cs-text-lg);font-weight:700;letter-spacing:1px;display:flex;align-items:center;gap:8px}.cs-header h1:before{content:"";width:4px;height:18px;background:var(--cs-accent);border-radius:2px}.cs-header .cs-icon-btn{background:#ffffff26;color:#fff;border:0;cursor:pointer;font-size:var(--cs-text-sm);padding:6px 12px;border-radius:var(--cs-radius-pill);transition:background var(--cs-fast);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.cs-header .cs-icon-btn:active{background:#ffffff4d}.cs-card{background:var(--cs-bg-card);border-radius:var(--cs-radius);box-shadow:var(--cs-shadow-sm);margin:var(--cs-space-3) var(--cs-space-4);overflow:hidden;transition:transform var(--cs-base),box-shadow var(--cs-base)}.cs-card:active{transform:scale(.98);box-shadow:var(--cs-shadow)}.cs-card .cs-cover{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:linear-gradient(135deg,var(--cs-primary-light),var(--cs-bg-card));display:block}.cs-card .cs-card-body{padding:14px 16px 16px}.cs-card h3{margin:0 0 8px;font-size:var(--cs-text-md);line-height:1.4;font-weight:600;color:var(--cs-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cs-card .cs-summary{color:var(--cs-text-soft);font-size:var(--cs-text-sm);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cs-card .cs-meta{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:var(--cs-text-xs);color:var(--cs-text-muted)}.cs-card .cs-avatar{width:24px;height:24px;border-radius:50%;background:var(--cs-gray-200);object-fit:cover;border:1px solid var(--cs-border)}.cs-card .cs-meta-name{color:var(--cs-text-soft);font-weight:500}.cs-card .cs-meta-time{color:var(--cs-text-muted)}.cs-card .cs-meta-divider{width:2px;height:2px;background:var(--cs-gray-400);border-radius:50%}.cs-card .cs-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.cs-card .cs-tag{font-size:var(--cs-text-xs);padding:3px 10px;border-radius:var(--cs-radius-pill);background:var(--cs-primary-light);color:var(--cs-primary);font-weight:500}.cs-card .cs-tag-accent{background:#ffb8001f;color:var(--cs-accent-dark)}.cs-tabbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;justify-content:space-around;align-items:center;background:var(--cs-bg-card);border-top:1px solid var(--cs-border);padding:8px 0 calc(8px + env(safe-area-inset-bottom));z-index:var(--cs-z-tabbar);box-shadow:0 -2px 12px #0000000a}.cs-tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:var(--cs-text-xs);color:var(--cs-text-muted);padding:4px 0;transition:color var(--cs-fast)}.cs-tabbar a.active{color:var(--cs-primary);font-weight:600}.cs-tabbar .cs-fab{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--cs-primary) 0%,var(--cs-primary-dark) 100%);color:#fff!important;font-size:28px;display:flex;align-items:center;justify-content:center;margin-top:-22px;box-shadow:0 8px 20px #e600125c,0 2px 6px #00000014;font-weight:300;line-height:1;transition:all var(--cs-base);position:relative}.cs-tabbar .cs-fab:before{content:"";position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:linear-gradient(135deg,rgba(255,255,255,.18) 0%,transparent 60%);pointer-events:none}.cs-tabbar .cs-fab:active{transform:scale(.94);box-shadow:0 4px 12px #e6001266,0 1px 3px #00000014}.cs-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--cs-radius-pill);font-size:var(--cs-text-base);font-weight:600;cursor:pointer;border:0;transition:all var(--cs-base);-webkit-user-select:none;user-select:none}.cs-btn:active{transform:scale(.97)}.cs-btn-primary{background:linear-gradient(135deg,var(--cs-primary) 0%,var(--cs-primary-dark) 100%);color:var(--cs-text-inverse);box-shadow:var(--cs-shadow-red)}.cs-btn-primary:hover{box-shadow:0 6px 20px #e600123d}.cs-btn-ghost{background:var(--cs-primary-light);color:var(--cs-primary)}.cs-btn-outline{background:transparent;color:var(--cs-primary);border:1px solid var(--cs-primary)}.cs-btn-block{width:100%}.cs-input{width:100%;padding:12px 14px;background:var(--cs-gray-50);border:1px solid var(--cs-border);border-radius:var(--cs-radius);font-size:var(--cs-text-base);color:var(--cs-text);outline:0;transition:all var(--cs-base)}.cs-input:focus{border-color:var(--cs-primary);background:#fff;box-shadow:0 0 0 3px #e600121a}.cs-input::placeholder{color:var(--cs-text-muted)}.cs-skeleton{background:linear-gradient(90deg,var(--cs-gray-100) 25%,var(--cs-gray-200) 50%,var(--cs-gray-100) 75%);background-size:200% 100%;animation:cs-shimmer 1.4s infinite;border-radius:var(--cs-radius-sm)}@keyframes cs-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.cs-empty{padding:60px 32px;text-align:center;color:var(--cs-text-muted)}.cs-empty-icon{font-size:64px;margin-bottom:16px;opacity:.6}.cs-empty-text{font-size:var(--cs-text-sm);line-height:1.6;margin-bottom:20px}.cs-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000d9;color:#fff;padding:12px 20px;border-radius:var(--cs-radius);font-size:var(--cs-text-sm);z-index:var(--cs-z-toast);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:cs-toast-in var(--cs-base);max-width:280px;text-align:center}@keyframes cs-toast-in{0%{opacity:0;transform:translate(-50%,-45%)}to{opacity:1;transform:translate(-50%,-50%)}}.cs-categories{display:flex;gap:var(--cs-space-2);padding:var(--cs-space-3) var(--cs-space-4);overflow-x:auto;scrollbar-width:none;background:var(--cs-bg-card);margin:var(--cs-space-3) var(--cs-space-4);border-radius:var(--cs-radius);box-shadow:var(--cs-shadow-sm)}.cs-categories::-webkit-scrollbar{display:none}.cs-categories .cs-cat{flex-shrink:0;padding:6px 14px;border-radius:var(--cs-radius-pill);font-size:var(--cs-text-sm);color:var(--cs-text-soft);background:var(--cs-gray-50);transition:all var(--cs-fast);white-space:nowrap;cursor:pointer}.cs-categories .cs-cat.active{background:var(--cs-primary);color:#fff;font-weight:600}.cs-hero{margin:var(--cs-space-3) var(--cs-space-4);border-radius:var(--cs-radius-lg);overflow:hidden;background:linear-gradient(135deg,var(--cs-primary) 0%,var(--cs-primary-dark) 100%);color:#fff;padding:var(--cs-space-6);position:relative;box-shadow:var(--cs-shadow-red)}.cs-hero:after{content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;background:#ffffff14;border-radius:50%}.cs-hero:before{content:"";position:absolute;bottom:-60px;left:-60px;width:200px;height:200px;background:#ffb80026;border-radius:50%}.cs-hero-title{font-size:var(--cs-text-xl);font-weight:700;margin:0 0 6px;position:relative}.cs-hero-subtitle{font-size:var(--cs-text-sm);opacity:.9;margin:0;position:relative}.cs-detail-cover{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:linear-gradient(135deg,var(--cs-primary-light),var(--cs-bg-card))}.cs-detail-body{padding:20px 16px}.cs-detail-title{font-size:var(--cs-text-xl);font-weight:700;line-height:1.4;margin:0 0 12px;color:var(--cs-text)}.cs-detail-meta{display:flex;align-items:center;gap:10px;font-size:var(--cs-text-xs);color:var(--cs-text-muted);margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--cs-divider)}.cs-detail-content{font-size:var(--cs-text-base);line-height:1.75;color:var(--cs-text);white-space:pre-wrap}.cs-detail-content p{margin:0 0 12px}.cs-action-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;gap:var(--cs-space-3);padding:var(--cs-space-3) var(--cs-space-4) calc(var(--cs-space-3) + env(safe-area-inset-bottom));background:var(--cs-bg-card);border-top:1px solid var(--cs-border);box-shadow:0 -2px 12px #0000000a;z-index:50}.cs-loading{padding:40px 16px;text-align:center;color:var(--cs-text-muted);font-size:var(--cs-text-sm)}